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

The most played move is an inaccuracy

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.