Bd4 17 Nb5 Be5 18 f4, which wins a pawn.

Maybe Adams was thinking about winning a pawn with 19 Ne4?

Speelman had won a pawn at move 29, so his position looked far superior.

Black tries to win a pawn, but instead loses a piece.

The computer could not win a pawn with 27 Qb7?

In the diagram at right, White wins a pawn with 1.

Knaak could not afford to win a pawn with 13 b4 Nd3!

After lengthy manoeuvring Short won a second pawn and seemed certain to win.

Kf7 18 de Kf8 19 ed, winning a pawn and exposing the black king.

The idea behind these moves is that if White plays to win a pawn with 6.