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

The most played move is an inaccuracy

9 手

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.