h2 h7 continued
D4 games with a breakthrough on h7.
From Polgar's book "Chess"
Interesting d5 pawn break in that game.
To generalize on this and the last two games, White gets a knight to f5 or e5 before punching in on h7. A bishop or a rook is available to swing in on h5 after the break. Black's bishop on e7 shut him in and keep the queen out of the action.