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

The most played move is an inaccuracy

9 手

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.