Author: Steve Lopez
Date: 06:49:35 12/23/98
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On December 23, 1998 at 05:32:51, Amir Ban wrote: >On December 22, 1998 at 01:33:11, Jouni Uski wrote: > >>It was obvious that there was human interference in the [return] match with Deep >>Blue. Nobody paid attention to it because I lost >> and that’s all anyone cared about. Game two, for example. And then in game >>five, 11...h5 could never be played by a computer! >> We’ve tried that position on many programs and never, NEVER will a computer >>even consider that move, it’s too positional. It’s >> not even the 40th move selected by a computer, 40th! And IBM never releases any >>information! Show me how the computer >> comes up with ...h5, let’s see the printouts!" [See game below.] >> > >In fact this is one of the four moves for which IBM gave Kasparov printouts. > >I didn't find anything unusual in the printouts for this move, from the >technical angle. The chess part of it was over my head. I heard Kasparov explain >why he found the move extraordinary and suspicious, but didn't follow it. It had >something to do with preventing (or facilitating) the placement of a white (or >black) minor somewhere on the king-side, but this seemed to be completely >out-of-sight yet, so it didn't make sense to Kasparov. > >Sorry for the confused explanation, that's what I remember. Maybe someone >understands this. Dr. John Nunn's explanation of 11...h5 (from ChessBase Magazine): "A surprising move from a computer, but a good one. The computer puts its finger on the slight weakness created by the move h3. This means that after a later ...h4, White will be forced to either defend the g3-pawn or play g4, but then the square f4 is accessible to Black's pieces, especially the knight on g6. Some human players who like pushing their rook's pawns (Speelman, for example) might also have played this move, but it is certainly interesting that Deep Blue finds this quite sophisticated positional idea."
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