Commentary for black move 22:

MIKE VALVO: Plus we know that Deep Blue expected the move because it moved so fast. Deep Blue was thinking on Garry's time, and Garry made the move that it expected. JOEL BENJAMIN: As I was saying, you can never be completely sure if it's going to play well in a closed position, but I -- over the course of the eight months work that I did, I tested out the Ruy Lopez positions.

YASSER SEIRAWAN: You did in fact?

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