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

The most played move is an inaccuracy

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.