The most played move is an inaccuracy

Opening positions from the Lichess database (1600-2200 players, 500,000+ games each) where the most played move loses winning chances against the engine at 20,000,000 nodes, confirmed by a second search. Each chapter: the club move with its share, the masters’ top move by era, and the engine’s line. Companion to the write-up on brianhliou.com.

144 chapters

1. 1.e4 e5 2.f4 d6: 3.Nf3?! (85% of 6.5M games)9 moves

   1.e4 e5 2.f4 d6. In 6,497,498 Lichess games between 1600 and 2200, the most played move is 3.Nf3 (85%). At 20 million nodes it is an inaccuracy: -0.67 against +0.25 for d3, 9 win-chance points, confirmed by a second search (-0.67 against +0.26). Masters database, top move by era:…

   The club move: 85% of games. inaccuracy, 9 win-chance points against d3. -0.67 at 20M nodes.

2. Petrov's Defense: Italian Variation: 3...Nc6?! (33% of 10.1M games)9 moves

   1.e4 e5 2.Nf3 Nf6 3.Bc4 (C42 Petrov's Defense: Italian Variation). In 10,075,185 Lichess games between 1600 and 2200, the most played move is 3...Nc6 (33%). At 20 million nodes it is an inaccuracy: +0.15 against -0.54 for Nxe4, 7 win-chance points, confirmed by a second search (+…

   The club move: 33% of games. inaccuracy, 7 win-chance points against Nxe4. +0.15 at 20M nodes.

3. Four Knights Game: Spanish Variation: 4...d6?! (31% of 5.4M games)9 moves

   1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Nc3 (C48 Four Knights Game: Spanish Variation). In 5,389,858 Lichess games between 1600 and 2200, the most played move is 4...d6 (31%). At 20 million nodes it is an inaccuracy: +0.69 against +0.00 for Nd4, 7 win-chance points, confirmed by a second s…

   The club move: 31% of games. inaccuracy, 7 win-chance points against Nd4. +0.69 at 20M nodes.

4. Vienna Game: Vienna Gambit: 3...exf4?! (30% of 4.2M games)9 moves

   1.e4 e5 2.Nc3 Nf6 3.f4 (C29 Vienna Game: Vienna Gambit). In 4,247,096 Lichess games between 1600 and 2200, the most played move is 3...exf4 (30%). At 20 million nodes it is an inaccuracy: +0.63 against -0.31 for d5, 8 win-chance points, confirmed by a second search (+0.68 against…

   The club move: 30% of games. inaccuracy, 8 win-chance points against d5. +0.63 at 20M nodes.

5. Petrov's Defense: Stafford Gambit Accepted: 6.Bc4? (26% of 1.2M games)9 moves

   1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.Nc3 Bc5 (C42 Petrov's Defense: Stafford Gambit Accepted). In 1,224,881 Lichess games between 1600 and 2200, the most played move is 6.Bc4 (26%). At 20 million nodes it is a blunder: -0.79 against +1.74 for h3, 23 win-chance points, confi…

   The club move: 26% of games. blunder, 23 win-chance points against h3. -0.79 at 20M nodes.

6. King's Pawn Game: Busch-Gass Gambit: 3.Bc4? (48% of 7M games)9 moves

   1.e4 e5 2.Nf3 Bc5 (C40 King's Pawn Game: Busch-Gass Gambit). In 6,973,667 Lichess games between 1600 and 2200, the most played move is 3.Bc4 (48%). At 20 million nodes it is a mistake: +0.24 against +1.60 for Nxe5, 12 win-chance points, confirmed by a second search (+0.28 against…

   The club move: 48% of games. mistake, 12 win-chance points against Nxe5. +0.24 at 20M nodes.

7. King's Gambit Declined: Falkbeer Countergambit Accepted: 3...e4?! (43% of 4.1M games)9 moves

   1.e4 e5 2.f4 d5 3.exd5 (C31 King's Gambit Declined: Falkbeer Countergambit Accepted). In 4,084,022 Lichess games between 1600 and 2200, the most played move is 3...e4 (43%). At 20 million nodes it is an inaccuracy: +0.52 against -0.19 for exf4, 8 win-chance points, confirmed by a…

   The club move: 43% of games. inaccuracy, 8 win-chance points against exf4. +0.52 at 20M nodes.

8. 1.d4 Nf6 2.Bf4 g6 3.Nc3: 3...Bg7?! (73% of 2.4M games)9 moves

   1.d4 Nf6 2.Bf4 g6 3.Nc3. In 2,357,512 Lichess games between 1600 and 2200, the most played move is 3...Bg7 (73%). At 20 million nodes it is an inaccuracy: +0.62 against +0.00 for d5, 6 win-chance points, confirmed by a second search (+0.67 against +0.06). Masters database, top mo…

   The club move: 73% of games. inaccuracy, 6 win-chance points against d5. +0.62 at 20M nodes.

9. 1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6 4.d3 exd3 5.Bxd3: 5...h6? (31% of 1M games)9 moves

   1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6 4.d3 exd3 5.Bxd3. In 1,018,785 Lichess games between 1600 and 2200, the most played move is 5...h6 (31%). At 20 million nodes it is a blunder: +2.70 against -1.12 for Nc6, 33 win-chance points, confirmed by a second search (+2.82 against -1.05). Maste…

   The club move: 31% of games. blunder, 33 win-chance points against Nc6. +2.70 at 20M nodes.

10. Queen's Gambit Accepted: Central Variation, McDonnell Defense: 4.d5? (63% of 0.9M games)9 moves

    1.d4 d5 2.c4 dxc4 3.e4 e5 (D20 Queen's Gambit Accepted: Central Variation, McDonnell Defense). In 892,653 Lichess games between 1600 and 2200, the most played move is 4.d5 (63%). At 20 million nodes it is a mistake: -1.02 against +0.43 for Nf3, 12 win-chance points, confirmed by…

    The club move: 63% of games. mistake, 12 win-chance points against Nf3. -1.02 at 20M nodes.

11. 1.e4 d5 2.Nf3 dxe4 3.Ng5: 3...Nf6?! (50% of 7M games)9 moves

    1.e4 d5 2.Nf3 dxe4 3.Ng5. In 7,016,659 Lichess games between 1600 and 2200, the most played move is 3...Nf6 (50%). At 20 million nodes it is an inaccuracy: -0.39 against -1.20 for Bf5, 6 win-chance points, confirmed by a second search (-0.38 against -0.99). Masters database, top…

    The club move: 50% of games. inaccuracy, 6 win-chance points against Bf5. -0.39 at 20M nodes.

12. 1.e4 g6 2.f4: 2...Bg7?! (88% of 2.9M games)9 moves

    1.e4 g6 2.f4. In 2,855,127 Lichess games between 1600 and 2200, the most played move is 2...Bg7 (88%). At 20 million nodes it is an inaccuracy: +0.54 against -0.18 for d5, 7 win-chance points, confirmed by a second search (+0.67 against -0.09). Masters database, top move by era:…

    The club move: 88% of games. inaccuracy, 7 win-chance points against d5. +0.54 at 20M nodes.

13. 1.e4 e5 2.f4 d6 3.Nf3: 3...Nc6?! (44% of 5.5M games)9 moves

    1.e4 e5 2.f4 d6 3.Nf3. In 5,544,838 Lichess games between 1600 and 2200, the most played move is 3...Nc6 (44%). At 20 million nodes it is an inaccuracy: +0.06 against -0.67 for exf4, 7 win-chance points, confirmed by a second search (+0.27 against -0.50). Masters database, top mo…

    The club move: 44% of games. inaccuracy, 7 win-chance points against exf4. +0.06 at 20M nodes.

14. 1.e4 e5 2.Nf3 Nf6 3.Nc3 Bc5: 4.Bc4? (46% of 3.2M games)9 moves

    1.e4 e5 2.Nf3 Nf6 3.Nc3 Bc5. In 3,170,830 Lichess games between 1600 and 2200, the most played move is 4.Bc4 (46%). At 20 million nodes it is a mistake: +0.03 against +1.12 for Nxe5, 11 win-chance points, confirmed by a second search (+0.00 against +1.18). Masters database, top m…

    The club move: 46% of games. mistake, 11 win-chance points against Nxe5. +0.03 at 20M nodes.

15. 1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6: 4.d3? (42% of 3.5M games)9 moves

    1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6. In 3,530,772 Lichess games between 1600 and 2200, the most played move is 4.d3 (42%). At 20 million nodes it is a mistake: -1.48 against -0.39 for Bc4, 11 win-chance points, confirmed by a second search (-1.65 against -0.42). Masters database, top mo…

    The club move: 42% of games. mistake, 11 win-chance points against Bc4. -1.48 at 20M nodes.

16. King's Gambit Accepted: MacLeod Defense: 4.Bc4?! (51% of 4.9M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 Nc6 (C34 King's Gambit Accepted: MacLeod Defense). In 4,886,495 Lichess games between 1600 and 2200, the most played move is 4.Bc4 (51%). At 20 million nodes it is an inaccuracy: -0.38 against +0.22 for d4, 7 win-chance points, confirmed by a second search…

    The club move: 51% of games. inaccuracy, 7 win-chance points against d4. -0.38 at 20M nodes.

17. Sicilian Defense: Closed: 3.f4?! (28% of 7.3M games)9 moves

    1.e4 c5 2.Nc3 e6 (B23 Sicilian Defense: Closed). In 7,333,739 Lichess games between 1600 and 2200, the most played move is 3.f4 (28%). At 20 million nodes it is an inaccuracy: -0.15 against +0.43 for Nf3, 6 win-chance points, confirmed by a second search (-0.12 against +0.49). Ma…

    The club move: 28% of games. inaccuracy, 6 win-chance points against Nf3. -0.15 at 20M nodes.

18. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O: 4...Bc5?! (48% of 4.4M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O. In 4,358,767 Lichess games between 1600 and 2200, the most played move is 4...Bc5 (48%). At 20 million nodes it is an inaccuracy: +0.21 against -0.34 for Nxe4, 5 win-chance points, confirmed by a second search (+0.24 against -0.31). Masters data…

    The club move: 48% of games. inaccuracy, 5 win-chance points against Nxe4. +0.21 at 20M nodes.

19. 1.e4 e5 2.Nf3 Qf6 3.Nc3: 3...c6? (79% of 1.4M games)9 moves

    1.e4 e5 2.Nf3 Qf6 3.Nc3. In 1,403,643 Lichess games between 1600 and 2200, the most played move is 3...c6 (79%). At 20 million nodes it is a mistake: +2.39 against +1.30 for Nc6, 11 win-chance points, confirmed by a second search (+2.42 against +1.15). Masters database, top move…

    The club move: 79% of games. mistake, 11 win-chance points against Nc6. +2.39 at 20M nodes.

20. 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.d4 d5: 5.e5? (67% of 0.6M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.d4 d5. In 618,377 Lichess games between 1600 and 2200, the most played move is 5.e5 (67%). At 20 million nodes it is a blunder: -1.60 against +0.62 for exd5, 20 win-chance points, confirmed by a second search (-1.58 against +0.64). Masters database,…

    The club move: 67% of games. blunder, 20 win-chance points against exd5. -1.60 at 20M nodes.

21. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d4 exd4 5.c3: 5...dxc3?! (46% of 2.3M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d4 exd4 5.c3. In 2,254,764 Lichess games between 1600 and 2200, the most played move is 5...dxc3 (46%). At 20 million nodes it is an inaccuracy: +1.00 against +0.12 for Nf6, 8 win-chance points, confirmed by a second search (+0.99 against +0.06). Mas…

    The club move: 46% of games. inaccuracy, 8 win-chance points against Nf6. +1.00 at 20M nodes.

22. 1.e4 e5 2.Nf3 Nf6 3.Bc4 Bc5: 4.d3? (24% of 3.2M games)9 moves

    1.e4 e5 2.Nf3 Nf6 3.Bc4 Bc5. In 3,217,568 Lichess games between 1600 and 2200, the most played move is 4.d3 (24%). At 20 million nodes it is a mistake: +0.23 against +1.41 for Nxe5, 11 win-chance points, confirmed by a second search (+0.25 against +1.48). Masters database, top mo…

    The club move: 24% of games. mistake, 11 win-chance points against Nxe5. +0.23 at 20M nodes.

23. 1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6 4.Nc3 Bf5 5.Qe2: 5...Qd4? (27% of 0.6M games)9 moves

    1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6 4.Nc3 Bf5 5.Qe2. In 648,552 Lichess games between 1600 and 2200, the most played move is 5...Qd4 (27%). At 20 million nodes it is a blunder: +3.91 against -1.78 for Nc6, 47 win-chance points, confirmed by a second search (+3.89 against -1.89). Masters…

    The club move: 27% of games. blunder, 47 win-chance points against Nc6. +3.91 at 20M nodes.

24. Ruy Lopez: Classical Variation, Central Variation: 4...d6? (27% of 2.1M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 (C64 Ruy Lopez: Classical Variation, Central Variation). In 2,132,784 Lichess games between 1600 and 2200, the most played move is 4...d6 (27%). At 20 million nodes it is a mistake: +1.97 against +0.46 for Nf6, 12 win-chance points, confirmed by a…

    The club move: 27% of games. mistake, 12 win-chance points against Nf6. +1.97 at 20M nodes.

25. Italian Game: Two Knights Defense: 6.Bxd5?! (50% of 1.3M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 Nxe4 5.Nxe4 d5 (C55 Italian Game: Two Knights Defense). In 1,314,625 Lichess games between 1600 and 2200, the most played move is 6.Bxd5 (50%). At 20 million nodes it is an inaccuracy: -1.45 against -0.17 for Bd3, 9 win-chance points, confirmed b…

    The club move: 50% of games. inaccuracy, 9 win-chance points against Bd3. -1.45 at 20M nodes.

26. 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 d6: 5.O-O? (58% of 0.8M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 d6. In 795,698 Lichess games between 1600 and 2200, the most played move is 5.O-O (58%). At 20 million nodes it is a blunder: -1.47 against +0.27 for h4, 16 win-chance points, confirmed by a second search (-1.49 against +0.33). Masters database, t…

    The club move: 58% of games. blunder, 16 win-chance points against h4. -1.47 at 20M nodes.

27. Italian Game: Classical Variation, Albin Gambit: 5...O-O?! (38% of 2.4M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.O-O (C50 Italian Game: Classical Variation, Albin Gambit). In 2,357,917 Lichess games between 1600 and 2200, the most played move is 5...O-O (38%). At 20 million nodes it is an inaccuracy: +0.50 against -0.38 for Nxe4, 8 win-chance points, c…

    The club move: 38% of games. inaccuracy, 8 win-chance points against Nxe4. +0.50 at 20M nodes.

28. 1.e4 e5 2.Nf3 Nc6 3.d3: 3...Bc5?! (34% of 2.9M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.d3. In 2,949,317 Lichess games between 1600 and 2200, the most played move is 3...Bc5 (34%). At 20 million nodes it is an inaccuracy: +0.64 against -0.04 for Nf6, 7 win-chance points, confirmed by a second search (+0.72 against -0.04). Masters database, top mo…

    The club move: 34% of games. inaccuracy, 7 win-chance points against Nf6. +0.64 at 20M nodes.

29. 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4: 4...Bc5?! (22% of 2.8M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4. In 2,794,160 Lichess games between 1600 and 2200, the most played move is 4...Bc5 (22%). At 20 million nodes it is an inaccuracy: +0.43 against -0.72 for g5, 9 win-chance points, confirmed by a second search (+0.42 against -0.56). Masters databa…

    The club move: 22% of games. inaccuracy, 9 win-chance points against g5. +0.43 at 20M nodes.

30. 1.d4 d5 2.c4 dxc4 3.Nc3 Nf6 4.e4: 4...e6?! (42% of 2.2M games)9 moves

    1.d4 d5 2.c4 dxc4 3.Nc3 Nf6 4.e4. In 2,185,138 Lichess games between 1600 and 2200, the most played move is 4...e6 (42%). At 20 million nodes it is an inaccuracy: +0.56 against -0.21 for e5, 8 win-chance points, confirmed by a second search (+0.68 against -0.17). Masters database…

    The club move: 42% of games. inaccuracy, 8 win-chance points against e5. +0.56 at 20M nodes.

31. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.O-O O-O 6.d4: 6...exd4? (91% of 0.7M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.O-O O-O 6.d4. In 712,729 Lichess games between 1600 and 2200, the most played move is 6...exd4 (91%). At 20 million nodes it is a mistake: +1.65 against +0.51 for Bb6, 12 win-chance points, confirmed by a second search (+1.85 against +0.46).…

    The club move: 91% of games. mistake, 12 win-chance points against Bb6. +1.65 at 20M nodes.

32. 1.e4 d5 2.exd5 Qxd5 3.c4: 3...Qd8?! (41% of 1.9M games)9 moves

    1.e4 d5 2.exd5 Qxd5 3.c4. In 1,886,431 Lichess games between 1600 and 2200, the most played move is 3...Qd8 (41%). At 20 million nodes it is an inaccuracy: +0.39 against -0.46 for Qe4+, 9 win-chance points, confirmed by a second search (+0.49 against -0.47). Masters database, top…

    The club move: 41% of games. inaccuracy, 9 win-chance points against Qe4+. +0.39 at 20M nodes.

33. 1.e4 e5 2.Nf3 Nf6 3.Nc3 Bb4: 4.d3?! (39% of 2.4M games)9 moves

    1.e4 e5 2.Nf3 Nf6 3.Nc3 Bb4. In 2,384,880 Lichess games between 1600 and 2200, the most played move is 4.d3 (39%). At 20 million nodes it is an inaccuracy: -0.30 against +0.43 for Nxe5, 7 win-chance points, confirmed by a second search (-0.30 against +0.50). Masters database, top…

    The club move: 39% of games. inaccuracy, 7 win-chance points against Nxe5. -0.30 at 20M nodes.

34. King's Indian Attack: French Variation: 4.O-O?! (52% of 1.8M games)9 moves

    1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 (A08 King's Indian Attack: French Variation). In 1,778,873 Lichess games between 1600 and 2200, the most played move is 4.O-O (52%). At 20 million nodes it is an inaccuracy: -0.40 against +0.28 for d4, 7 win-chance points, confirmed by a second search (…

    The club move: 52% of games. inaccuracy, 7 win-chance points against d4. -0.40 at 20M nodes.

35. 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bg5: 4...e6?! (42% of 2.9M games)9 moves

    1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bg5. In 2,850,468 Lichess games between 1600 and 2200, the most played move is 4...e6 (42%). At 20 million nodes it is an inaccuracy: +0.23 against -0.33 for dxc4, 6 win-chance points, confirmed by a second search (+0.33 against -0.28). Masters databas…

    The club move: 42% of games. inaccuracy, 6 win-chance points against dxc4. +0.23 at 20M nodes.

36. 1.e4 e5 2.f4 Nc6 3.Nf3 d6 4.Bc4 Bg4: 5.O-O?! (48% of 1.5M games)9 moves

    1.e4 e5 2.f4 Nc6 3.Nf3 d6 4.Bc4 Bg4. In 1,529,269 Lichess games between 1600 and 2200, the most played move is 5.O-O (48%). At 20 million nodes it is an inaccuracy: -0.62 against +0.25 for h3, 6 win-chance points, confirmed by a second search (-0.37 against +0.25). Masters databa…

    The club move: 48% of games. inaccuracy, 6 win-chance points against h3. -0.62 at 20M nodes.

37. 1.e4 e5 2.f4 Nc6 3.Nf3 d6 4.Bc4 h6: 5.O-O? (61% of 0.5M games)9 moves

    1.e4 e5 2.f4 Nc6 3.Nf3 d6 4.Bc4 h6. In 548,516 Lichess games between 1600 and 2200, the most played move is 5.O-O (61%). At 20 million nodes it is a blunder: -1.46 against +0.47 for d3, 18 win-chance points, confirmed by a second search (-1.51 against +0.46). Masters database, to…

    The club move: 61% of games. blunder, 18 win-chance points against d3. -1.46 at 20M nodes.

38. 1.d4 d5 2.c4 c6 3.Nc3 Bf5: 4.Nf3?! (38% of 2.2M games)9 moves

    1.d4 d5 2.c4 c6 3.Nc3 Bf5. In 2,159,086 Lichess games between 1600 and 2200, the most played move is 4.Nf3 (38%). At 20 million nodes it is an inaccuracy: +0.49 against +1.28 for Qb3, 7 win-chance points, confirmed by a second search (+0.48 against +1.30). Masters database, top m…

    The club move: 38% of games. inaccuracy, 7 win-chance points against Qb3. +0.49 at 20M nodes.

39. 1.e4 e5 2.Nf3 Nc6 3.Bc4 h6 4.d4 exd4 5.Nxd4: 5...Nxd4?! (43% of 2.2M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 h6 4.d4 exd4 5.Nxd4. In 2,245,233 Lichess games between 1600 and 2200, the most played move is 5...Nxd4 (43%). At 20 million nodes it is an inaccuracy: +1.20 against +0.55 for Nf6, 7 win-chance points, confirmed by a second search (+1.31 against +0.56). Ma…

    The club move: 43% of games. inaccuracy, 7 win-chance points against Nf6. +1.20 at 20M nodes.

40. 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4 Bc5 5.d4: 5...Bb6? (64% of 0.6M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4 Bc5 5.d4. In 588,464 Lichess games between 1600 and 2200, the most played move is 5...Bb6 (64%). At 20 million nodes it is a blunder: +1.11 against -0.46 for Nxd4, 16 win-chance points, confirmed by a second search (+1.02 against -0.70). Masters…

    The club move: 64% of games. blunder, 16 win-chance points against Nxd4. +1.11 at 20M nodes.

41. 1.e4 e5 2.Nf3 d6 3.d4 f6: 4.dxe5? (59% of 0.8M games)9 moves

    1.e4 e5 2.Nf3 d6 3.d4 f6. In 834,353 Lichess games between 1600 and 2200, the most played move is 4.dxe5 (59%). At 20 million nodes it is a mistake: +0.35 against +1.52 for Bc4, 11 win-chance points, confirmed by a second search (+0.34 against +1.55). Masters database, top move b…

    The club move: 59% of games. mistake, 11 win-chance points against Bc4. +0.35 at 20M nodes.

42. 1.e4 e5 2.f4 Nc6 3.Nf3 Bc5: 4.Bc4?! (38% of 1.5M games)9 moves

    1.e4 e5 2.f4 Nc6 3.Nf3 Bc5. In 1,474,554 Lichess games between 1600 and 2200, the most played move is 4.Bc4 (38%). At 20 million nodes it is an inaccuracy: -0.13 against +0.80 for Nxe5, 7 win-chance points, confirmed by a second search (-0.07 against +0.69). Masters database, top…

    The club move: 38% of games. inaccuracy, 7 win-chance points against Nxe5. -0.13 at 20M nodes.

43. 1.d4 d5 2.c4 dxc4 3.Nc3 e5: 4.d5?! (59% of 1.1M games)9 moves

    1.d4 d5 2.c4 dxc4 3.Nc3 e5. In 1,101,798 Lichess games between 1600 and 2200, the most played move is 4.d5 (59%). At 20 million nodes it is an inaccuracy: -0.69 against +0.18 for e3, 8 win-chance points, confirmed by a second search (-0.70 against +0.18). Masters database, top mo…

    The club move: 59% of games. inaccuracy, 8 win-chance points against e3. -0.69 at 20M nodes.

44. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 d6: 5.d3? (36% of 1.1M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 d6. In 1,126,746 Lichess games between 1600 and 2200, the most played move is 5.d3 (36%). At 20 million nodes it is a mistake: -0.01 against +1.33 for Ng5, 12 win-chance points, confirmed by a second search (+0.00 against +1.29). Masters database…

    The club move: 36% of games. mistake, 12 win-chance points against Ng5. -0.01 at 20M nodes.

45. 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4 Bc5: 5.d4?! (84% of 0.7M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4 Bc5. In 700,235 Lichess games between 1600 and 2200, the most played move is 5.d4 (84%). At 20 million nodes it is an inaccuracy: -0.46 against +0.43 for c3, 9 win-chance points, confirmed by a second search (-0.65 against +0.34). Masters databas…

    The club move: 84% of games. inaccuracy, 9 win-chance points against c3. -0.46 at 20M nodes.

46. Italian Game: Deutz Gambit: 5...exd4?! (56% of 1.3M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 5.d4 (C50 Italian Game: Deutz Gambit). In 1,335,121 Lichess games between 1600 and 2200, the most played move is 5...exd4 (56%). At 20 million nodes it is an inaccuracy: +0.39 against -0.31 for Bxd4, 6 win-chance points, confirmed by a second…

    The club move: 56% of games. inaccuracy, 6 win-chance points against Bxd4. +0.39 at 20M nodes.

47. 1.e4 e5 2.Nf3 Nc6 3.d4 d6 4.dxe5 Bg4 5.exd6 Bxd6: 6.Be2?! (58% of 0.9M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.d4 d6 4.dxe5 Bg4 5.exd6 Bxd6. In 860,887 Lichess games between 1600 and 2200, the most played move is 6.Be2 (58%). At 20 million nodes it is an inaccuracy: +0.12 against +1.18 for h3, 10 win-chance points, confirmed by a second search (+0.15 against +1.23). Ma…

    The club move: 58% of games. inaccuracy, 10 win-chance points against h3. +0.12 at 20M nodes.

48. 1.e4 e6 2.e5 d5: 3.exd6?! (44% of 1.6M games)9 moves

    1.e4 e6 2.e5 d5. In 1,552,477 Lichess games between 1600 and 2200, the most played move is 3.exd6 (44%). At 20 million nodes it is an inaccuracy: -0.33 against +0.35 for d4, 6 win-chance points, confirmed by a second search (-0.32 against +0.29). Masters database, top move by era…

    The club move: 44% of games. inaccuracy, 6 win-chance points against d4. -0.33 at 20M nodes.

49. 1.e4 d5 2.e5 c5: 3.f4?! (27% of 3.3M games)9 moves

    1.e4 d5 2.e5 c5. In 3,254,625 Lichess games between 1600 and 2200, the most played move is 3.f4 (27%). At 20 million nodes it is an inaccuracy: -0.62 against -0.06 for c3, 5 win-chance points, confirmed by a second search (-0.61 against -0.02). Masters database, top move by era:…

    The club move: 27% of games. inaccuracy, 5 win-chance points against c3. -0.62 at 20M nodes.

50. Richter-Veresov Attack: 3...e6?! (37% of 2.4M games)9 moves

    1.d4 d5 2.Nc3 Nf6 3.Bg5 (D01 Richter-Veresov Attack). In 2,374,988 Lichess games between 1600 and 2200, the most played move is 3...e6 (37%). At 20 million nodes it is an inaccuracy: +0.25 against -0.32 for h6, 5 win-chance points, confirmed by a second search (+0.28 against -0.2…

    The club move: 37% of games. inaccuracy, 5 win-chance points against h6. +0.25 at 20M nodes.

51. 1.d4 c5 2.Nf3 cxd4 3.Nxd4: 3...Nc6?! (39% of 2.2M games)9 moves

    1.d4 c5 2.Nf3 cxd4 3.Nxd4. In 2,212,575 Lichess games between 1600 and 2200, the most played move is 3...Nc6 (39%). At 20 million nodes it is an inaccuracy: +0.41 against -0.16 for d5, 6 win-chance points, confirmed by a second search (+0.40 against -0.21). Masters database, top…

    The club move: 39% of games. inaccuracy, 6 win-chance points against d5. +0.41 at 20M nodes.

52. 1.e4 c5 2.Nf3 e6 3.d4 d5 4.exd5 exd5: 5.dxc5?! (37% of 2M games)9 moves

    1.e4 c5 2.Nf3 e6 3.d4 d5 4.exd5 exd5. In 1,979,914 Lichess games between 1600 and 2200, the most played move is 5.dxc5 (37%). At 20 million nodes it is an inaccuracy: +0.24 against +0.94 for Bb5+, 5 win-chance points, confirmed by a second search (+0.25 against +0.84). Masters da…

    The club move: 37% of games. inaccuracy, 5 win-chance points against Bb5+. +0.24 at 20M nodes.

53. 1.e4 c5 2.Nc3 g6: 3.f4?! (32% of 2.1M games)9 moves

    1.e4 c5 2.Nc3 g6. In 2,137,046 Lichess games between 1600 and 2200, the most played move is 3.f4 (32%). At 20 million nodes it is an inaccuracy: -0.17 against +0.45 for d4, 5 win-chance points, confirmed by a second search (-0.21 against +0.38). Masters database, top move by era:…

    The club move: 32% of games. inaccuracy, 5 win-chance points against d4. -0.17 at 20M nodes.

54. 1.e4 e5 2.Nf3 Qf6 3.Nc3 c6: 4.Bc4?! (38% of 1.2M games)9 moves

    1.e4 e5 2.Nf3 Qf6 3.Nc3 c6. In 1,156,132 Lichess games between 1600 and 2200, the most played move is 4.Bc4 (38%). At 20 million nodes it is an inaccuracy: +1.32 against +2.39 for d4, 9 win-chance points, confirmed by a second search (+1.24 against +2.32). Masters database, top m…

    The club move: 38% of games. inaccuracy, 9 win-chance points against d4. +1.32 at 20M nodes.

55. 1.d4 d5 2.c4 Nc6 3.Nf3 Nf6: 4.Nc3?! (48% of 0.9M games)9 moves

    1.d4 d5 2.c4 Nc6 3.Nf3 Nf6. In 934,191 Lichess games between 1600 and 2200, the most played move is 4.Nc3 (48%). At 20 million nodes it is an inaccuracy: +0.53 against +1.56 for cxd5, 8 win-chance points, confirmed by a second search (+0.54 against +1.40). Masters database, top m…

    The club move: 48% of games. inaccuracy, 8 win-chance points against cxd5. +0.53 at 20M nodes.

56. Ponziani Opening: Neumann Gambit: 4...Bc5? (35% of 1.2M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.c3 (C44 Ponziani Opening: Neumann Gambit). In 1,167,915 Lichess games between 1600 and 2200, the most played move is 4...Bc5 (35%). At 20 million nodes it is a mistake: +0.18 against -0.90 for Nxe4, 11 win-chance points, confirmed by a second search…

    The club move: 35% of games. mistake, 11 win-chance points against Nxe4. +0.18 at 20M nodes.

57. 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qe6+ 4.Be2: 4...Nc6?! (31% of 1.8M games)9 moves

    1.e4 d5 2.exd5 Qxd5 3.Nc3 Qe6+ 4.Be2. In 1,829,760 Lichess games between 1600 and 2200, the most played move is 4...Nc6 (31%). At 20 million nodes it is an inaccuracy: +1.88 against +1.05 for Qd6, 7 win-chance points, confirmed by a second search (+1.93 against +1.07). Masters da…

    The club move: 31% of games. inaccuracy, 7 win-chance points against Qd6. +1.88 at 20M nodes.

58. 1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Nc3 Nxe5: 5.Nxe5?! (55% of 1.1M games)9 moves

    1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Nc3 Nxe5. In 1,111,483 Lichess games between 1600 and 2200, the most played move is 5.Nxe5 (55%). At 20 million nodes it is an inaccuracy: +0.69 against +1.41 for Bf4, 7 win-chance points, confirmed by a second search (+0.62 against +1.41). Masters…

    The club move: 55% of games. inaccuracy, 7 win-chance points against Bf4. +0.69 at 20M nodes.

59. 1.d4 d5 2.c4 Nf6 3.cxd5 Nxd5 4.e4 Nf6 5.Nc3: 5...e6?! (51% of 1.4M games)9 moves

    1.d4 d5 2.c4 Nf6 3.cxd5 Nxd5 4.e4 Nf6 5.Nc3. In 1,366,740 Lichess games between 1600 and 2200, the most played move is 5...e6 (51%). At 20 million nodes it is an inaccuracy: +1.22 against +0.55 for e5, 7 win-chance points, confirmed by a second search (+1.26 against +0.51). Maste…

    The club move: 51% of games. inaccuracy, 7 win-chance points against e5. +1.22 at 20M nodes.

60. 1.e4 e5 2.g3: 2...Nc6?! (38% of 1.3M games)9 moves

    1.e4 e5 2.g3. In 1,333,822 Lichess games between 1600 and 2200, the most played move is 2...Nc6 (38%). At 20 million nodes it is an inaccuracy: +0.20 against -0.59 for d5, 6 win-chance points, confirmed by a second search (+0.10 against -0.60). Masters database, top move by era:…

    The club move: 38% of games. inaccuracy, 6 win-chance points against d5. +0.20 at 20M nodes.

61. 1.g4 e5 2.Bg2 d5: 3.c4?! (61% of 1M games)9 moves

    1.g4 e5 2.Bg2 d5. In 985,680 Lichess games between 1600 and 2200, the most played move is 3.c4 (61%). At 20 million nodes it is an inaccuracy: -1.37 against -0.73 for d4, 5 win-chance points, confirmed by a second search (-1.39 against -0.81). Masters database, top move by era: t…

    The club move: 61% of games. inaccuracy, 5 win-chance points against d4. -1.37 at 20M nodes.

62. 1.e4 c5 2.d4 Nc6 3.d5: 3...Ne5?! (61% of 0.7M games)9 moves

    1.e4 c5 2.d4 Nc6 3.d5. In 711,218 Lichess games between 1600 and 2200, the most played move is 3...Ne5 (61%). At 20 million nodes it is an inaccuracy: +2.60 against +1.54 for Nb8, 8 win-chance points, confirmed by a second search (+2.61 against +1.63). Masters database, top move…

    The club move: 61% of games. inaccuracy, 8 win-chance points against Nb8. +2.60 at 20M nodes.

63. 1.e4 c5 2.a3 Nc6 3.b4: 3...cxb4?! (78% of 0.9M games)9 moves

    1.e4 c5 2.a3 Nc6 3.b4. In 851,765 Lichess games between 1600 and 2200, the most played move is 3...cxb4 (78%). At 20 million nodes it is an inaccuracy: +0.07 against -0.49 for Nf6, 6 win-chance points, confirmed by a second search (+0.13 against -0.53). Masters database, top move…

    The club move: 78% of games. inaccuracy, 6 win-chance points against Nf6. +0.07 at 20M nodes.

64. 1.d4 d5 2.c4 Bf5 3.cxd5: 3...Qxd5?! (62% of 0.6M games)9 moves

    1.d4 d5 2.c4 Bf5 3.cxd5. In 568,797 Lichess games between 1600 and 2200, the most played move is 3...Qxd5 (62%). At 20 million nodes it is an inaccuracy: +2.05 against +0.94 for Nf6, 9 win-chance points, confirmed by a second search (+2.02 against +0.92). Masters database, top mo…

    The club move: 62% of games. inaccuracy, 9 win-chance points against Nf6. +2.05 at 20M nodes.

65. 1.e4 g6 2.d4 Bg7 3.e5 d6: 4.f4?! (50% of 1.5M games)9 moves

    1.e4 g6 2.d4 Bg7 3.e5 d6. In 1,476,270 Lichess games between 1600 and 2200, the most played move is 4.f4 (50%). At 20 million nodes it is an inaccuracy: -0.73 against -0.18 for exd6, 6 win-chance points, confirmed by a second search (-0.82 against -0.21). Masters database, top mo…

    The club move: 50% of games. inaccuracy, 6 win-chance points against exd6. -0.73 at 20M nodes.

66. 1.e4 b6 2.d4 Bb7 3.d5 e6: 4.c4?! (64% of 0.9M games)9 moves

    1.e4 b6 2.d4 Bb7 3.d5 e6. In 867,035 Lichess games between 1600 and 2200, the most played move is 4.c4 (64%). At 20 million nodes it is an inaccuracy: -0.09 against +0.58 for Nc3, 7 win-chance points, confirmed by a second search (-0.12 against +0.67). Masters database, top move…

    The club move: 64% of games. inaccuracy, 7 win-chance points against Nc3. -0.09 at 20M nodes.

67. 1.e4 e5 2.f4 exf4 3.Nf3 d5 4.e5: 4...Bg4? (36% of 0.7M games)1 move

    1.e4 e5 2.f4 exf4 3.Nf3 d5 4.e5. In 670,316 Lichess games between 1600 and 2200, the most played move is 4...Bg4 (36%). At 20 million nodes it is a mistake: -0.45 against -2.06 for g5, 14 win-chance points, confirmed by a second search (-0.39 against -2.05). Masters database, top…

    The club move: 36% of games. mistake, 14 win-chance points against g5. -0.45 at 20M nodes.

68. 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bf4: 4...Bf5?! (35% of 1.5M games)9 moves

    1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bf4. In 1,528,272 Lichess games between 1600 and 2200, the most played move is 4...Bf5 (35%). At 20 million nodes it is an inaccuracy: +0.37 against -0.38 for dxc4, 7 win-chance points, confirmed by a second search (+0.41 against -0.31). Masters databa…

    The club move: 35% of games. inaccuracy, 7 win-chance points against dxc4. +0.37 at 20M nodes.

69. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Nxe4: 5.Re1?! (53% of 0.8M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.O-O Nxe4. In 797,003 Lichess games between 1600 and 2200, the most played move is 5.Re1 (53%). At 20 million nodes it is an inaccuracy: -1.27 against -0.35 for Bd5, 9 win-chance points, confirmed by a second search (-1.35 against -0.33). Masters data…

    The club move: 53% of games. inaccuracy, 9 win-chance points against Bd5. -1.27 at 20M nodes.

70. 1.e4 e5 2.f4 exf4 3.Nf3 d6 4.Bc4 h6: 5.O-O?! (45% of 0.8M games)9 moves

    1.e4 e5 2.f4 exf4 3.Nf3 d6 4.Bc4 h6. In 806,774 Lichess games between 1600 and 2200, the most played move is 5.O-O (45%). At 20 million nodes it is an inaccuracy: -1.46 against -0.44 for h4, 10 win-chance points, confirmed by a second search (-1.51 against -0.41). Masters databas…

    The club move: 45% of games. inaccuracy, 10 win-chance points against h4. -1.46 at 20M nodes.

71. 1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6 4.Nc3 Bf5: 5.Qe2?! (53% of 1.2M games)9 moves

    1.e4 d5 2.Nf3 dxe4 3.Ng5 Nf6 4.Nc3 Bf5. In 1,177,730 Lichess games between 1600 and 2200, the most played move is 5.Qe2 (53%). At 20 million nodes it is an inaccuracy: -1.78 against -1.16 for d3, 6 win-chance points, confirmed by a second search (-1.83 against -1.13). Masters dat…

    The club move: 53% of games. inaccuracy, 6 win-chance points against d3. -1.78 at 20M nodes.

72. 1.e4 e5 2.Nf3 d6 3.d4 Bg4 4.dxe5 Bxf3 5.Qxf3 dxe5 6.Bc4: 6...Nf6?! (56% of 0.8M games)9 moves

    1.e4 e5 2.Nf3 d6 3.d4 Bg4 4.dxe5 Bxf3 5.Qxf3 dxe5 6.Bc4. In 751,190 Lichess games between 1600 and 2200, the most played move is 6...Nf6 (56%). At 20 million nodes it is an inaccuracy: +2.23 against +1.19 for Qf6, 7 win-chance points, confirmed by a second search (+2.26 against +…

    The club move: 56% of games. inaccuracy, 7 win-chance points against Qf6. +2.23 at 20M nodes.

73. 1.c4 d5 2.Nc3: 2...dxc4? (44% of 0.6M games)9 moves

    1.c4 d5 2.Nc3. In 607,070 Lichess games between 1600 and 2200, the most played move is 2...dxc4 (44%). At 20 million nodes it is a mistake: -0.01 against -1.16 for d4, 11 win-chance points, confirmed by a second search (+0.00 against -1.19). Masters database, top move by era: to…

    The club move: 44% of games. mistake, 11 win-chance points against d4. -0.01 at 20M nodes.

74. 1.e4 e5 2.Bc4 Nf6 3.Nc3 c6: 4.d3?! (43% of 1M games)9 moves

    1.e4 e5 2.Bc4 Nf6 3.Nc3 c6. In 979,065 Lichess games between 1600 and 2200, the most played move is 4.d3 (43%). At 20 million nodes it is an inaccuracy: -0.28 against +0.54 for d4, 7 win-chance points, confirmed by a second search (-0.27 against +0.50). Masters database, top move…

    The club move: 43% of games. inaccuracy, 7 win-chance points against d4. -0.28 at 20M nodes.

75. 1.e4 c6 2.Nf3 d5 3.d3 dxe4: 4.Ng5?! (57% of 0.9M games)9 moves

    1.e4 c6 2.Nf3 d5 3.d3 dxe4. In 862,069 Lichess games between 1600 and 2200, the most played move is 4.Ng5 (57%). At 20 million nodes it is an inaccuracy: -0.46 against +0.20 for dxe4, 6 win-chance points, confirmed by a second search (-0.42 against +0.24). Masters database, top m…

    The club move: 57% of games. inaccuracy, 6 win-chance points against dxe4. -0.46 at 20M nodes.

76. 1.c4 d5 2.cxd5 Qxd5 3.Nc3 Qd8: 4.g3?! (31% of 1.7M games)9 moves

    1.c4 d5 2.cxd5 Qxd5 3.Nc3 Qd8. In 1,686,411 Lichess games between 1600 and 2200, the most played move is 4.g3 (31%). At 20 million nodes it is an inaccuracy: +0.35 against +0.94 for Nf3, 6 win-chance points, confirmed by a second search (+0.25 against +0.88). Masters database, to…

    The club move: 31% of games. inaccuracy, 6 win-chance points against Nf3. +0.35 at 20M nodes.

77. 1.e4 e5 2.Bc4 Nc6 3.Nc3 Bc5 4.Qg4: 4...Qf6?! (45% of 0.9M games)9 moves

    1.e4 e5 2.Bc4 Nc6 3.Nc3 Bc5 4.Qg4. In 894,197 Lichess games between 1600 and 2200, the most played move is 4...Qf6 (45%). At 20 million nodes it is an inaccuracy: +1.03 against +0.21 for Kf8, 7 win-chance points, confirmed by a second search (+1.00 against +0.24). Masters databas…

    The club move: 45% of games. inaccuracy, 7 win-chance points against Kf8. +1.03 at 20M nodes.

78. 1.d4 d5 2.c4 dxc4 3.e3 b5 4.a4: 4...c6?! (56% of 0.8M games)9 moves

    1.d4 d5 2.c4 dxc4 3.e3 b5 4.a4. In 761,137 Lichess games between 1600 and 2200, the most played move is 4...c6 (56%). At 20 million nodes it is an inaccuracy: +1.65 against +0.82 for b4, 7 win-chance points, confirmed by a second search (+1.62 against +0.86). Masters database, to…

    The club move: 56% of games. inaccuracy, 7 win-chance points against b4. +1.65 at 20M nodes.

79. 1.e4 d5 2.d4 c6 3.e5 Bf5 4.g4 Bg6: 5.h4?! (70% of 0.7M games)9 moves

    1.e4 d5 2.d4 c6 3.e5 Bf5 4.g4 Bg6. In 686,252 Lichess games between 1600 and 2200, the most played move is 5.h4 (70%). At 20 million nodes it is an inaccuracy: -0.22 against +0.42 for Ne2, 6 win-chance points, confirmed by a second search (-0.29 against +0.38). Masters database,…

    The club move: 70% of games. inaccuracy, 6 win-chance points against Ne2. -0.22 at 20M nodes.

80. 1.e4 c6 2.Nf3 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3: 5...Bg6?! (89% of 0.7M games)9 moves

    1.e4 c6 2.Nf3 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3. In 677,796 Lichess games between 1600 and 2200, the most played move is 5...Bg6 (89%). At 20 million nodes it is an inaccuracy: +1.05 against +0.46 for Bg4, 6 win-chance points, confirmed by a second search (+1.15 against +0.50). Mast…

    The club move: 89% of games. inaccuracy, 6 win-chance points against Bg4. +1.05 at 20M nodes.

81. 1.e4 d5 2.f3: 2...dxe4?! (73% of 0.5M games)9 moves

    1.e4 d5 2.f3. In 483,432 Lichess games between 1600 and 2200, the most played move is 2...dxe4 (73%). At 20 million nodes it is an inaccuracy: -0.02 against -0.81 for e5, 7 win-chance points, confirmed by a second search (-0.05 against -0.82). Masters database, top move by era: t…

    The club move: 73% of games. inaccuracy, 7 win-chance points against e5. -0.02 at 20M nodes.

82. 1.e4 a6 2.Bc4: 2...b5? (47% of 0.3M games)9 moves

    1.e4 a6 2.Bc4. In 268,212 Lichess games between 1600 and 2200, the most played move is 2...b5 (47%). At 20 million nodes it is a blunder: +2.33 against -0.07 for e6, 20 win-chance points, confirmed by a second search (+2.41 against +0.10). Masters database, top move by era: to 20…

    The club move: 47% of games. blunder, 20 win-chance points against e6. +2.33 at 20M nodes.

83. 1.Nf3 Nf6 2.Nc3: 2...g6?! (32% of 1.1M games)9 moves

    1.Nf3 Nf6 2.Nc3. In 1,059,522 Lichess games between 1600 and 2200, the most played move is 2...g6 (32%). At 20 million nodes it is an inaccuracy: +0.53 against -0.22 for d5, 8 win-chance points, confirmed by a second search (+0.62 against -0.21). Masters database, top move by era…

    The club move: 32% of games. inaccuracy, 8 win-chance points against d5. +0.53 at 20M nodes.

84. King's Pawn Game: Gunderam Gambit: 3.Bc4?! (34% of 0.7M games)9 moves

    1.e4 e5 2.Nf3 c6 (C40 King's Pawn Game: Gunderam Gambit). In 681,134 Lichess games between 1600 and 2200, the most played move is 3.Bc4 (34%). At 20 million nodes it is an inaccuracy: +0.24 against +1.33 for d4, 7 win-chance points, confirmed by a second search (+0.43 against +1.…

    The club move: 34% of games. inaccuracy, 7 win-chance points against d4. +0.24 at 20M nodes.

85. 1.e4 e6 2.Nf3 Nf6: 3.Nc3?! (42% of 0.8M games)9 moves

    1.e4 e6 2.Nf3 Nf6. In 756,170 Lichess games between 1600 and 2200, the most played move is 3.Nc3 (42%). At 20 million nodes it is an inaccuracy: +0.31 against +1.10 for e5, 9 win-chance points, confirmed by a second search (+0.20 against +1.14). Masters database, top move by era:…

    The club move: 42% of games. inaccuracy, 9 win-chance points against e5. +0.31 at 20M nodes.

86. 1.c4 c5 2.Nc3 e6: 3.g3?! (36% of 1.1M games)9 moves

    1.c4 c5 2.Nc3 e6. In 1,092,630 Lichess games between 1600 and 2200, the most played move is 3.g3 (36%). At 20 million nodes it is an inaccuracy: -0.41 against +0.29 for Nf3, 7 win-chance points, confirmed by a second search (-0.44 against +0.32). Masters database, top move by era…

    The club move: 36% of games. inaccuracy, 7 win-chance points against Nf3. -0.41 at 20M nodes.

87. 1.e4 e5 2.Nf3 Nc6 3.d3 Bc5: 4.Be2?! (37% of 1.1M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.d3 Bc5. In 1,141,049 Lichess games between 1600 and 2200, the most played move is 4.Be2 (37%). At 20 million nodes it is an inaccuracy: +0.00 against +0.64 for Nxe5, 6 win-chance points, confirmed by a second search (+0.10 against +0.71). Masters database, top…

    The club move: 37% of games. inaccuracy, 6 win-chance points against Nxe5. +0.00 at 20M nodes.

88. Queen's Gambit Accepted: Central Variation, Alekhine System: 4.Nc3?! (57% of 0.7M games)9 moves

    1.d4 d5 2.c4 dxc4 3.e4 Nf6 (D20 Queen's Gambit Accepted: Central Variation, Alekhine System). In 678,856 Lichess games between 1600 and 2200, the most played move is 4.Nc3 (57%). At 20 million nodes it is an inaccuracy: -0.21 against +0.48 for e5, 6 win-chance points, confirmed b…

    The club move: 57% of games. inaccuracy, 6 win-chance points against e5. -0.21 at 20M nodes.

89. 1.e4 e5 2.f4 Nc6 3.Nf3 d6 4.Bb5: 4...Bd7?! (36% of 0.9M games)9 moves

    1.e4 e5 2.f4 Nc6 3.Nf3 d6 4.Bb5. In 884,960 Lichess games between 1600 and 2200, the most played move is 4...Bd7 (36%). At 20 million nodes it is an inaccuracy: +0.65 against -0.18 for exf4, 6 win-chance points, confirmed by a second search (+0.67 against +0.00). Masters database…

    The club move: 36% of games. inaccuracy, 6 win-chance points against exf4. +0.65 at 20M nodes.

90. 1.e4 Nc6 2.Nf3 d5 3.exd5 Qxd5 4.Nc3: 4...Qh5?! (32% of 0.9M games)9 moves

    1.e4 Nc6 2.Nf3 d5 3.exd5 Qxd5 4.Nc3. In 933,210 Lichess games between 1600 and 2200, the most played move is 4...Qh5 (32%). At 20 million nodes it is an inaccuracy: +1.67 against +0.70 for Qd6, 9 win-chance points, confirmed by a second search (+1.72 against +0.70). Masters datab…

    The club move: 32% of games. inaccuracy, 9 win-chance points against Qd6. +1.67 at 20M nodes.

91. Philidor Defense: Lion Variation: 5.dxe5?! (35% of 1.5M games)9 moves

    1.e4 e5 2.Nf3 d6 3.Nc3 Nf6 4.d4 Nbd7 (C41 Philidor Defense: Lion Variation). In 1,455,877 Lichess games between 1600 and 2200, the most played move is 5.dxe5 (35%). At 20 million nodes it is an inaccuracy: +0.05 against +0.62 for h3, 6 win-chance points, confirmed by a second sea…

    The club move: 35% of games. inaccuracy, 6 win-chance points against h3. +0.05 at 20M nodes.

92. 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bf4: 5...Bd6?! (40% of 1M games)9 moves

    1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bf4. In 970,261 Lichess games between 1600 and 2200, the most played move is 5...Bd6 (40%). At 20 million nodes it is an inaccuracy: +0.20 against -0.44 for dxc4, 6 win-chance points, confirmed by a second search (+0.36 against -0.31). Masters…

    The club move: 40% of games. inaccuracy, 6 win-chance points against dxc4. +0.20 at 20M nodes.

93. 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bc5: 6.Be3?! (49% of 0.8M games)9 moves

    1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bc5. In 773,591 Lichess games between 1600 and 2200, the most played move is 6.Be3 (49%). At 20 million nodes it is an inaccuracy: +0.00 against +0.72 for Nb3, 6 win-chance points, confirmed by a second search (+0.00 against +0.62). Mas…

    The club move: 49% of games. inaccuracy, 6 win-chance points against Nb3. +0.00 at 20M nodes.

94. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ Bd7: 7.Bxd7+?! (53% of 0.5M games)9 moves

    1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ Bd7. In 530,801 Lichess games between 1600 and 2200, the most played move is 7.Bxd7+ (53%). At 20 million nodes it is an inaccuracy: -0.47 against +0.42 for Qe2, 7 win-chance points, confirmed by a second search (-0.42 agains…

    The club move: 53% of games. inaccuracy, 7 win-chance points against Qe2. -0.47 at 20M nodes.

95. 1.c4 e5 2.Nc3 c6: 3.g3?! (29% of 0.9M games)9 moves

    1.c4 e5 2.Nc3 c6. In 880,752 Lichess games between 1600 and 2200, the most played move is 3.g3 (29%). At 20 million nodes it is an inaccuracy: +0.01 against +0.85 for Nf3, 8 win-chance points, confirmed by a second search (+0.05 against +0.93). Masters database, top move by era:…

    The club move: 29% of games. inaccuracy, 8 win-chance points against Nf3. +0.01 at 20M nodes.

96. 1.e4 Nc6 2.Nf3 d6 3.d4: 3...Bg4?! (32% of 1.1M games)9 moves

    1.e4 Nc6 2.Nf3 d6 3.d4. In 1,136,334 Lichess games between 1600 and 2200, the most played move is 3...Bg4 (32%). At 20 million nodes it is an inaccuracy: +1.38 against +0.73 for Nf6, 6 win-chance points, confirmed by a second search (+1.37 against +0.69). Masters database, top mo…

    The club move: 32% of games. inaccuracy, 6 win-chance points against Nf6. +1.38 at 20M nodes.

97. 1.d4 d5 2.Bg5 f6 3.Bh4: 3...g5? (28% of 0.6M games)9 moves

    1.d4 d5 2.Bg5 f6 3.Bh4. In 552,495 Lichess games between 1600 and 2200, the most played move is 3...g5 (28%). At 20 million nodes it is a mistake: +0.83 against -0.44 for Nh6, 11 win-chance points, confirmed by a second search (+0.80 against -0.43). Masters database, top move by…

    The club move: 28% of games. mistake, 11 win-chance points against Nh6. +0.83 at 20M nodes.

98. 1.e4 e5 2.Nf3 d6 3.Nc3 Bg4: 4.Be2?! (39% of 1M games)9 moves

    1.e4 e5 2.Nf3 d6 3.Nc3 Bg4. In 975,940 Lichess games between 1600 and 2200, the most played move is 4.Be2 (39%). At 20 million nodes it is an inaccuracy: +0.38 against +0.99 for d4, 5 win-chance points, confirmed by a second search (+0.42 against +1.02). Masters database, top mov…

    The club move: 39% of games. inaccuracy, 5 win-chance points against d4. +0.38 at 20M nodes.

99. 1.e4 e5 2.Nf3 Nf6 3.d3 Bc5: 4.Be2?! (27% of 0.8M games)9 moves

    1.e4 e5 2.Nf3 Nf6 3.d3 Bc5. In 806,975 Lichess games between 1600 and 2200, the most played move is 4.Be2 (27%). At 20 million nodes it is an inaccuracy: +0.07 against +1.06 for Nxe5, 8 win-chance points, confirmed by a second search (+0.08 against +0.92). Masters database, top m…

    The club move: 27% of games. inaccuracy, 8 win-chance points against Nxe5. +0.07 at 20M nodes.

100. 1.e4 c5 2.f4 Nc6 3.Nf3 d5: 4.e5?! (49% of 0.5M games)9 moves

     1.e4 c5 2.f4 Nc6 3.Nf3 d5. In 543,561 Lichess games between 1600 and 2200, the most played move is 4.e5 (49%). At 20 million nodes it is an inaccuracy: -0.60 against +0.30 for exd5, 9 win-chance points, confirmed by a second search (-0.65 against +0.29). Masters database, top mov…

     The club move: 49% of games. inaccuracy, 9 win-chance points against exd5. -0.60 at 20M nodes.

101. Four Knights Game: Gunsberg Variation: 4...Bc5?! (45% of 0.8M games)9 moves

     1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3 (C47 Four Knights Game: Gunsberg Variation). In 754,751 Lichess games between 1600 and 2200, the most played move is 4...Bc5 (45%). At 20 million nodes it is an inaccuracy: +0.57 against -0.04 for d5, 6 win-chance points, confirmed by a second sea…

     The club move: 45% of games. inaccuracy, 6 win-chance points against d5. +0.57 at 20M nodes.

102. 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Bc4: 4...e6?! (40% of 0.8M games)9 moves

     1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Bc4. In 842,111 Lichess games between 1600 and 2200, the most played move is 4...e6 (40%). At 20 million nodes it is an inaccuracy: -0.02 against -0.70 for Nf6, 7 win-chance points, confirmed by a second search (+0.13 against -0.65). Masters database…

     The club move: 40% of games. inaccuracy, 7 win-chance points against Nf6. -0.02 at 20M nodes.

103. 1.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.Bb5: 4...a6?! (28% of 1.1M games)9 moves

     1.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.Bb5. In 1,114,316 Lichess games between 1600 and 2200, the most played move is 4...a6 (28%). At 20 million nodes it is an inaccuracy: +0.85 against +0.08 for Nd4, 8 win-chance points, confirmed by a second search (+0.92 against +0.06). Masters databas…

     The club move: 28% of games. inaccuracy, 8 win-chance points against Nd4. +0.85 at 20M nodes.

104. 1.e4 b6 2.d4 Bb7 3.d5 e6 4.c4: 4...exd5?! (39% of 0.8M games)9 moves

     1.e4 b6 2.d4 Bb7 3.d5 e6 4.c4. In 814,167 Lichess games between 1600 and 2200, the most played move is 4...exd5 (39%). At 20 million nodes it is an inaccuracy: +0.63 against -0.09 for Bb4+, 5 win-chance points, confirmed by a second search (+0.55 against -0.01). Masters database,…

     The club move: 39% of games. inaccuracy, 5 win-chance points against Bb4+. +0.63 at 20M nodes.

105. Englund Gambit: Stockholm Variation: 4...Nb4?! (34% of 0.6M games)9 moves

     1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 (A40 Englund Gambit: Stockholm Variation). In 614,640 Lichess games between 1600 and 2200, the most played move is 4...Nb4 (34%). At 20 million nodes it is an inaccuracy: +1.88 against +0.80 for f6, 10 win-chance points, confirmed by a second se…

     The club move: 34% of games. inaccuracy, 10 win-chance points against f6. +1.88 at 20M nodes.

106. 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nxe5 d5: 5.Bb3?! (36% of 0.7M games)9 moves

     1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nxe5 d5. In 680,345 Lichess games between 1600 and 2200, the most played move is 5.Bb3 (36%). At 20 million nodes it is an inaccuracy: -1.58 against -0.54 for Be2, 9 win-chance points, confirmed by a second search (-1.61 against -0.54). Masters data…

     The club move: 36% of games. inaccuracy, 9 win-chance points against Be2. -1.58 at 20M nodes.

107. King's Gambit Accepted: Traditional Variation: 5.O-O?! (48% of 0.5M games)9 moves

     1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 (C38 King's Gambit Accepted: Traditional Variation). In 511,252 Lichess games between 1600 and 2200, the most played move is 5.O-O (48%). At 20 million nodes it is an inaccuracy: -1.48 against -0.60 for d4, 8 win-chance points, confirmed by a…

     The club move: 48% of games. inaccuracy, 8 win-chance points against d4. -1.48 at 20M nodes.

108. 1.e4 e5 2.f4 exf4 3.Nf3 d6 4.d4 g5: 5.Bc4?! (54% of 0.6M games)9 moves

     1.e4 e5 2.f4 exf4 3.Nf3 d6 4.d4 g5. In 641,027 Lichess games between 1600 and 2200, the most played move is 5.Bc4 (54%). At 20 million nodes it is an inaccuracy: -1.22 against -0.51 for g3, 5 win-chance points, confirmed by a second search (-1.12 against -0.56). Masters database,…

     The club move: 54% of games. inaccuracy, 5 win-chance points against g3. -1.22 at 20M nodes.

109. 1.e4 e5 2.Nf3 Nc6 3.Nc3 Bc5 4.Nxe5 Nxe5 5.d4: 5...Bxd4?! (47% of 0.6M games)9 moves

     1.e4 e5 2.Nf3 Nc6 3.Nc3 Bc5 4.Nxe5 Nxe5 5.d4. In 552,821 Lichess games between 1600 and 2200, the most played move is 5...Bxd4 (47%). At 20 million nodes it is an inaccuracy: +1.73 against +0.76 for Bd6, 7 win-chance points, confirmed by a second search (+1.62 against +0.78). Mas…

     The club move: 47% of games. inaccuracy, 7 win-chance points against Bd6. +1.73 at 20M nodes.

110. 1.e4 e6 2.d4 b6 3.c4 Bb7 4.Nc3 Bb4 5.Bd3: 5...Nf6?! (35% of 0.9M games)9 moves

     1.e4 e6 2.d4 b6 3.c4 Bb7 4.Nc3 Bb4 5.Bd3. In 894,230 Lichess games between 1600 and 2200, the most played move is 5...Nf6 (35%). At 20 million nodes it is an inaccuracy: +1.03 against +0.29 for f5, 8 win-chance points, confirmed by a second search (+1.20 against +0.35). Masters d…

     The club move: 35% of games. inaccuracy, 8 win-chance points against f5. +1.03 at 20M nodes.

111. Blackmar-Diemer Gambit Accepted: Ryder Gambit: 5...e6?! (32% of 1M games)9 moves

     1.e4 d5 2.d4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 (D00 Blackmar-Diemer Gambit Accepted: Ryder Gambit). In 976,680 Lichess games between 1600 and 2200, the most played move is 5...e6 (32%). At 20 million nodes it is an inaccuracy: -0.76 against -1.55 for Qxd4, 8 win-chance points, conf…

     The club move: 32% of games. inaccuracy, 8 win-chance points against Qxd4. -0.76 at 20M nodes.

112. 1.e4 g6 2.d4 Bg7 3.e5 d6 4.f4 dxe5 5.fxe5: 5...Nc6?! (40% of 0.6M games)9 moves

     1.e4 g6 2.d4 Bg7 3.e5 d6 4.f4 dxe5 5.fxe5. In 630,043 Lichess games between 1600 and 2200, the most played move is 5...Nc6 (40%). At 20 million nodes it is an inaccuracy: +0.20 against -0.77 for c5, 9 win-chance points, confirmed by a second search (+0.24 against -0.78). Masters…

     The club move: 40% of games. inaccuracy, 9 win-chance points against c5. +0.20 at 20M nodes.

113. 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 Bg4 5.Ne5: 5...Bh5? (41% of 0.5M games)9 moves

     1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 Bg4 5.Ne5. In 528,352 Lichess games between 1600 and 2200, the most played move is 5...Bh5 (41%). At 20 million nodes it is a mistake: +2.08 against +0.90 for Bc8, 10 win-chance points, confirmed by a second search (+2.15 against +0.93). Masters da…

     The club move: 41% of games. mistake, 10 win-chance points against Bc8. +2.08 at 20M nodes.

114. Sicilian Defense: Pin Variation: 6.Bd3?! (40% of 0.9M games)9 moves

     1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 (B40 Sicilian Defense: Pin Variation). In 935,070 Lichess games between 1600 and 2200, the most played move is 6.Bd3 (40%). At 20 million nodes it is an inaccuracy: +0.20 against +0.77 for e5, 6 win-chance points, confirmed by a sec…

     The club move: 40% of games. inaccuracy, 6 win-chance points against e5. +0.20 at 20M nodes.

115. 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3: 6...g6?! (27% of 1.3M games)9 moves

     1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3. In 1,269,086 Lichess games between 1600 and 2200, the most played move is 6...g6 (27%). At 20 million nodes it is an inaccuracy: +0.63 against +0.07 for Ng4, 6 win-chance points, confirmed by a second search (+0.60 against -0…

     The club move: 27% of games. inaccuracy, 6 win-chance points against Ng4. +0.63 at 20M nodes.

116. 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6: 7.Nf3?! (51% of 0.6M games)9 moves

     1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6. In 635,007 Lichess games between 1600 and 2200, the most played move is 7.Nf3 (51%). At 20 million nodes it is an inaccuracy: +0.11 against +0.82 for Be3, 5 win-chance points, confirmed by a second search (+0.23 against +0.…

     The club move: 51% of games. inaccuracy, 5 win-chance points against Be3. +0.11 at 20M nodes.

117. 1.e4 Nc6 2.Nf3 Nf6: 3.Nc3?! (42% of 0.6M games)9 moves

     1.e4 Nc6 2.Nf3 Nf6. In 567,924 Lichess games between 1600 and 2200, the most played move is 3.Nc3 (42%). At 20 million nodes it is an inaccuracy: +0.16 against +0.87 for e5, 8 win-chance points, confirmed by a second search (+0.20 against +1.06). Masters database, top move by era…

     The club move: 42% of games. inaccuracy, 8 win-chance points against e5. +0.16 at 20M nodes.

118. 1.d4 e6 2.Nf3 b6: 3.Bf4?! (21% of 1M games)9 moves

     1.d4 e6 2.Nf3 b6. In 963,538 Lichess games between 1600 and 2200, the most played move is 3.Bf4 (21%). At 20 million nodes it is an inaccuracy: +0.25 against +0.95 for e4, 7 win-chance points, confirmed by a second search (+0.25 against +0.98). Masters database, top move by era:…

     The club move: 21% of games. inaccuracy, 7 win-chance points against e4. +0.25 at 20M nodes.

119. 1.e4 e5 2.Nf3 Bc5 3.Nxe5: 3...Qh4?! (18% of 1M games)9 moves

     1.e4 e5 2.Nf3 Bc5 3.Nxe5. In 1,031,141 Lichess games between 1600 and 2200, the most played move is 3...Qh4 (18%). At 20 million nodes it is an inaccuracy: +2.60 against +1.65 for d6, 8 win-chance points, confirmed by a second search (+2.56 against +1.56). Masters database, top m…

     The club move: 18% of games. inaccuracy, 8 win-chance points against d6. +2.60 at 20M nodes.

120. 1.e4 e6 2.d4 d6 3.c4: 3...c6?! (16% of 1.5M games)9 moves

     1.e4 e6 2.d4 d6 3.c4. In 1,497,276 Lichess games between 1600 and 2200, the most played move is 3...c6 (16%). At 20 million nodes it is an inaccuracy: +1.12 against +0.49 for d5, 5 win-chance points, confirmed by a second search (+1.12 against +0.56). Masters database, top move b…

     The club move: 16% of games. inaccuracy, 5 win-chance points against d5. +1.12 at 20M nodes.

121. Philidor Defense: Lopez Countergambit: 4.d3?! (38% of 0.6M games)9 moves

     1.e4 e5 2.Nf3 d6 3.Bc4 f5 (C41 Philidor Defense: Lopez Countergambit). In 627,574 Lichess games between 1600 and 2200, the most played move is 4.d3 (38%). At 20 million nodes it is an inaccuracy: +1.14 against +1.84 for d4, 7 win-chance points, confirmed by a second search (+1.11…

     The club move: 38% of games. inaccuracy, 7 win-chance points against d4. +1.14 at 20M nodes.

122. Vienna Game: Frankenstein-Dracula Variation: 4.Bxf7+?! (39% of 0.6M games)9 moves

     1.e4 e5 2.Bc4 Nf6 3.Nc3 Nxe4 (C27 Vienna Game: Frankenstein-Dracula Variation). In 562,083 Lichess games between 1600 and 2200, the most played move is 4.Bxf7+ (39%). At 20 million nodes it is an inaccuracy: -0.64 against +0.15 for Qh5, 6 win-chance points, confirmed by a second…

     The club move: 39% of games. inaccuracy, 6 win-chance points against Qh5. -0.64 at 20M nodes.

123. 1.e4 d5 2.exd5 Nf6 3.Bc4 Nxd5: 4.Bxd5? (22% of 0.6M games)9 moves

     1.e4 d5 2.exd5 Nf6 3.Bc4 Nxd5. In 608,271 Lichess games between 1600 and 2200, the most played move is 4.Bxd5 (22%). At 20 million nodes it is a mistake: -0.86 against +0.22 for Nf3, 11 win-chance points, confirmed by a second search (-0.91 against +0.34). Masters database, top m…

     The club move: 22% of games. mistake, 11 win-chance points against Nf3. -0.86 at 20M nodes.

124. 1.e4 g6 2.d4 Bg7 3.Nf3 Nf6: 4.Nc3?! (36% of 0.5M games)9 moves

     1.e4 g6 2.d4 Bg7 3.Nf3 Nf6. In 546,811 Lichess games between 1600 and 2200, the most played move is 4.Nc3 (36%). At 20 million nodes it is an inaccuracy: +0.36 against +1.13 for e5, 8 win-chance points, confirmed by a second search (+0.29 against +1.13). Masters database, top mov…

     The club move: 36% of games. inaccuracy, 8 win-chance points against e5. +0.36 at 20M nodes.

125. 1.d4 d5 2.Nf3 c5 3.c3 Nc6: 4.Bf4?! (47% of 0.5M games)9 moves

     1.d4 d5 2.Nf3 c5 3.c3 Nc6. In 532,326 Lichess games between 1600 and 2200, the most played move is 4.Bf4 (47%). At 20 million nodes it is an inaccuracy: -0.09 against +0.59 for dxc5, 5 win-chance points, confirmed by a second search (+0.00 against +0.56). Masters database, top mo…

     The club move: 47% of games. inaccuracy, 5 win-chance points against dxc5. -0.09 at 20M nodes.

126. 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5: 4...Nd5?! (28% of 0.8M games)9 moves

     1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5. In 758,345 Lichess games between 1600 and 2200, the most played move is 4...Nd5 (28%). At 20 million nodes it is an inaccuracy: +1.17 against +0.51 for Ne4, 7 win-chance points, confirmed by a second search (+1.33 against +0.57). Masters database…

     The club move: 28% of games. inaccuracy, 7 win-chance points against Ne4. +1.17 at 20M nodes.

127. 1.e4 e5 2.f4 exf4 3.Nf3 Nf6 4.Nc3: 4...Bb4?! (24% of 0.9M games)9 moves

     1.e4 e5 2.f4 exf4 3.Nf3 Nf6 4.Nc3. In 862,885 Lichess games between 1600 and 2200, the most played move is 4...Bb4 (24%). At 20 million nodes it is an inaccuracy: +0.34 against -0.44 for d5, 6 win-chance points, confirmed by a second search (+0.18 against -0.42). Masters database…

     The club move: 24% of games. inaccuracy, 6 win-chance points against d5. +0.34 at 20M nodes.

128. 1.e4 e5 2.Nf3 Nc6 3.Bc4 d6 4.d4 Bg4: 5.dxe5?! (38% of 0.7M games)9 moves

     1.e4 e5 2.Nf3 Nc6 3.Bc4 d6 4.d4 Bg4. In 663,077 Lichess games between 1600 and 2200, the most played move is 5.dxe5 (38%). At 20 million nodes it is an inaccuracy: +0.44 against +1.16 for h3, 6 win-chance points, confirmed by a second search (+0.41 against +1.09). Masters databas…

     The club move: 38% of games. inaccuracy, 6 win-chance points against h3. +0.44 at 20M nodes.

129. 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 a6: 5.Bg5?! (44% of 0.6M games)9 moves

     1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 a6. In 638,461 Lichess games between 1600 and 2200, the most played move is 5.Bg5 (44%). At 20 million nodes it is an inaccuracy: -0.22 against +0.40 for cxd5, 6 win-chance points, confirmed by a second search (-0.20 against +0.43). Masters databas…

     The club move: 44% of games. inaccuracy, 6 win-chance points against cxd5. -0.22 at 20M nodes.

130. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Nxd4: 5...Nxd4?! (31% of 0.5M games)9 moves

     1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Nxd4. In 531,717 Lichess games between 1600 and 2200, the most played move is 5...Nxd4 (31%). At 20 million nodes it is an inaccuracy: +0.34 against -0.80 for Nxe4, 9 win-chance points, confirmed by a second search (+0.31 against -0.69). Ma…

     The club move: 31% of games. inaccuracy, 9 win-chance points against Nxe4. +0.34 at 20M nodes.

131. 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.e5: 5...Ng4?! (41% of 0.5M games)9 moves

     1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.e5. In 524,759 Lichess games between 1600 and 2200, the most played move is 5...Ng4 (41%). At 20 million nodes it is an inaccuracy: +1.83 against +1.09 for Nd5, 7 win-chance points, confirmed by a second search (+1.72 against +0.95). Mas…

     The club move: 41% of games. inaccuracy, 7 win-chance points against Nd5. +1.83 at 20M nodes.

132. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 h6 5.d4 exd4 6.cxd4: 6...Bb4+?! (56% of 0.6M games)9 moves

     1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 h6 5.d4 exd4 6.cxd4. In 569,426 Lichess games between 1600 and 2200, the most played move is 6...Bb4+ (56%). At 20 million nodes it is an inaccuracy: +1.63 against +1.05 for Bb6, 5 win-chance points, confirmed by a second search (+1.60 against +1.…

     The club move: 56% of games. inaccuracy, 5 win-chance points against Bb6. +1.63 at 20M nodes.

133. 1.e4 e5 2.Nf3 d6 3.d3: 3...Bg4?! (19% of 0.9M games)9 moves

     1.e4 e5 2.Nf3 d6 3.d3. In 905,210 Lichess games between 1600 and 2200, the most played move is 3...Bg4 (19%). At 20 million nodes it is an inaccuracy: +0.63 against +0.05 for c5, 7 win-chance points, confirmed by a second search (+0.65 against -0.06). Masters database, top move b…

     The club move: 19% of games. inaccuracy, 7 win-chance points against c5. +0.63 at 20M nodes.

134. 1.e4 c6 2.d4 d6 3.f4: 3...Nd7?! (23% of 0.7M games)9 moves

     1.e4 c6 2.d4 d6 3.f4. In 742,013 Lichess games between 1600 and 2200, the most played move is 3...Nd7 (23%). At 20 million nodes it is an inaccuracy: +1.10 against +0.32 for d5, 6 win-chance points, confirmed by a second search (+1.06 against +0.38). Masters database, top move by…

     The club move: 23% of games. inaccuracy, 6 win-chance points against d5. +1.10 at 20M nodes.

135. 1.d4 d5 2.Nf3 Nc6 3.Bg5: 3...Bf5?! (21% of 0.7M games)9 moves

     1.d4 d5 2.Nf3 Nc6 3.Bg5. In 652,361 Lichess games between 1600 and 2200, the most played move is 3...Bf5 (21%). At 20 million nodes it is an inaccuracy: +0.43 against -0.23 for f6, 7 win-chance points, confirmed by a second search (+0.53 against -0.27). Masters database, top move…

     The club move: 21% of games. inaccuracy, 7 win-chance points against f6. +0.43 at 20M nodes.

136. Queen's Gambit Declined: Janowski Variation: 4.Nf3?! (35% of 0.6M games)9 moves

     1.d4 d5 2.c4 e6 3.Nc3 a6 (D31 Queen's Gambit Declined: Janowski Variation). In 578,468 Lichess games between 1600 and 2200, the most played move is 4.Nf3 (35%). At 20 million nodes it is an inaccuracy: -0.15 against +0.40 for cxd5, 5 win-chance points, confirmed by a second searc…

     The club move: 35% of games. inaccuracy, 5 win-chance points against cxd5. -0.15 at 20M nodes.

137. 1.e4 c5 2.f4 Nc6 3.Nf3 e6 4.Bb5: 4...a6?! (25% of 0.6M games)9 moves

     1.e4 c5 2.f4 Nc6 3.Nf3 e6 4.Bb5. In 635,702 Lichess games between 1600 and 2200, the most played move is 4...a6 (25%). At 20 million nodes it is an inaccuracy: +0.91 against +0.13 for Nge7, 7 win-chance points, confirmed by a second search (+0.91 against +0.12). Masters database,…

     The club move: 25% of games. inaccuracy, 7 win-chance points against Nge7. +0.91 at 20M nodes.

138. 1.e4 d5 2.Nc3 d4 3.Nce2 e5 4.Ng3: 4...c5?! (30% of 0.6M games)9 moves

     1.e4 d5 2.Nc3 d4 3.Nce2 e5 4.Ng3. In 630,702 Lichess games between 1600 and 2200, the most played move is 4...c5 (30%). At 20 million nodes it is an inaccuracy: +0.09 against -0.57 for Be6, 7 win-chance points, confirmed by a second search (+0.09 against -0.66). Masters database,…

     The club move: 30% of games. inaccuracy, 7 win-chance points against Be6. +0.09 at 20M nodes.

139. 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 d6: 5.h3?! (20% of 0.9M games)9 moves

     1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 d6. In 890,296 Lichess games between 1600 and 2200, the most played move is 5.h3 (20%). At 20 million nodes it is an inaccuracy: +0.11 against +0.87 for Ng5, 6 win-chance points, confirmed by a second search (+0.11 against +0.80). Masters database…

     The club move: 20% of games. inaccuracy, 6 win-chance points against Ng5. +0.11 at 20M nodes.

140. 1.e4 e5 2.Nf3 d5 3.Nxe5 Bd6 4.d4 dxe4: 5.Nc4?! (25% of 0.8M games)9 moves

     1.e4 e5 2.Nf3 d5 3.Nxe5 Bd6 4.d4 dxe4. In 811,479 Lichess games between 1600 and 2200, the most played move is 5.Nc4 (25%). At 20 million nodes it is an inaccuracy: +0.31 against +0.88 for Bc4, 5 win-chance points, confirmed by a second search (+0.26 against +0.82). Masters datab…

     The club move: 25% of games. inaccuracy, 5 win-chance points against Bc4. +0.31 at 20M nodes.

141. 1.e4 e5 2.d4 Nc6 3.d5 Nce7 4.Nf3 Ng6: 5.c4?! (21% of 0.6M games)9 moves

     1.e4 e5 2.d4 Nc6 3.d5 Nce7 4.Nf3 Ng6. In 608,567 Lichess games between 1600 and 2200, the most played move is 5.c4 (21%). At 20 million nodes it is an inaccuracy: +0.07 against +0.81 for h4, 7 win-chance points, confirmed by a second search (+0.03 against +0.80). Masters database…

     The club move: 21% of games. inaccuracy, 7 win-chance points against h4. +0.07 at 20M nodes.

142. Slav Defense: Chebanenko Variation: 5.Bg5?! (20% of 0.8M games)9 moves

     1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 a6 (D15 Slav Defense: Chebanenko Variation). In 815,769 Lichess games between 1600 and 2200, the most played move is 5.Bg5 (20%). At 20 million nodes it is an inaccuracy: -0.11 against +0.44 for c5, 6 win-chance points, confirmed by a second search…

     The club move: 20% of games. inaccuracy, 6 win-chance points against c5. -0.11 at 20M nodes.

143. 1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Qxd4 Nf6 5.e5 Nc6: 6.Qc3?! (39% of 0.6M games)9 moves

     1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Qxd4 Nf6 5.e5 Nc6. In 614,382 Lichess games between 1600 and 2200, the most played move is 6.Qc3 (39%). At 20 million nodes it is an inaccuracy: -0.33 against +0.22 for Qa4, 6 win-chance points, confirmed by a second search (-0.38 against +0.25). Mast…

     The club move: 39% of games. inaccuracy, 6 win-chance points against Qa4. -0.33 at 20M nodes.

144. 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 Bg7 5.f3 O-O 6.Qd2: 6...Nc6?! (18% of 0.9M games)9 moves

     1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 Bg7 5.f3 O-O 6.Qd2. In 877,995 Lichess games between 1600 and 2200, the most played move is 6...Nc6 (18%). At 20 million nodes it is an inaccuracy: +1.26 against +0.49 for c5, 7 win-chance points, confirmed by a second search (+1.31 against +0.53).…

     The club move: 18% of games. inaccuracy, 7 win-chance points against c5. +1.26 at 20M nodes.