Commentary for black move 32:

MAURICE ASHLEY: In this game you didn't have to capture the material, if I recall?

YASSER SEIRAWAN: No, but I want to! (Audience laughter.) I sure wanted those guys, let me tell you something. DB MOVE: 32...a5.

MAURICE ASHLEY: /STPHEFD your suggestion of f7-f6, he played a6-a5. Deep Blue is serious about taking that pawn. Because everybody seems to have come back to defend that pawn. The bishop on d8 is defending the pawn, the rook on a8. A bit of a unusual move, weakening some squares in the position. It looks b5 is in need of support.

YASSER SEIRAWAN: Indeed one of the nice things about this rook on b8 is that it's on an open file where it has some potential. Right now all the key squares are covered, and with this last move, understandable move, by the way, pushing the pawn forward, Nimzovich, Aaron Nimzovich called this the passed pawn's lust to expand. And the passed pawn moves up the board so that it gets closetory promotion. But it has weakened b5 and Garry could put his bishop there closing the b-file. I don't know that the move a5 was needed right away. And I'll go back once again and say that f6 was a possibility.

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