The line was most famously played in game 7 and game 11 of the 1972 World Chess Championship match between Fischer and Spassky. In both games Fischer played Black and grabbed the pawn. In the first, he reached a secure position with a comfortable material advantage but only secured a draw. In the second, Spassky surprised Fischer with a and won the game after Fischer defended poorly, allowing Spassky to trap Fischer's queen and handing Fischer his only loss in the poisoned pawn variation.