This one pawn move… completely changes the game.
We’re in a Modern Defense from Lichess… and both sides start normally, developing pieces and building up the position.
White takes control of the center, while Black prepares a solid setup with g6 and Bg7.
Everything looks fine… until this moment.
Black plays pawn takes on g6… and this is a serious mistake.
Instead, Black should have captured with the knight to stay solid.
But now… White is ready to punish it.
Rook to h7.
This is the beginning of