Game 4, white
21.dxe5
Commentary for white move 21:
MIKE VALVO: And this is where humans excel over computers
because this has got to be an intuitive kind of a sacrifice on
his part. It may be quite a few moves before he gets the
material back. The computer is not going to have foreseen t
it's going to be outside of its search-light view of the
position, and Garry would free his position --
DB MOVE: 21 dxe 5.
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