Author: Ricardo Gibert
Date: 21:15:49 06/25/05
Go up one level in this thread
On June 25, 2005 at 15:33:30, Darrel Briley wrote: >On June 25, 2005 at 14:47:32, Robin Smith wrote: > >>In a previous thread some people have been repeatedly stating that choosing >>1...e5 as a human’s defense against 1.e5 is a very poor choice. They said >>practice has repeatedly shown this. I posted some games to the contrary and was >>accused of "cherry picking" (which was true enough). So I decided to go back and >>look at all the recent man-machine matches between strong humans and strong >>computers. The results were a surprise, even for me. The matches I looked at >>were: >> >>Deep Blue-Kasparov 1996, Deep Blue-Kasparov 1997, Deep Fritz-Kramnik 2002, >>Rebel-van Wely 2002, X3D Fritz-Kasparov 2003, Hiarcs-Bareev 2003 and >>Junior-Kasparov 2003 >> >>I may have missed some matches, but if I did it was not my intention or cherry >>picking. I deliberately excluded Hydra-Adams, since the discussions have been >>about Adam's supposedly poor decision making process in choosing 1...e5 as his >>defense of choice, and this decision had to be made prior to the match. I also >>only looked at games where the computer played white, since that is what the >>ruckus has all been about. >> >>The results from the above matches were: >> >>1.e4 e5 white (computer) scored 50% in 5 games >>1.e4 other white (computer) scored 68% in 11 games >>not 1.e4 white (computer) scored 67% in 3 games >> >>If I were Adams, and 1...e5 was the mainstay of my opening repertior, I would >>not see anything in these statistics to change my mind. Perhaps people who have >>been vociferous about Adams "poor opening choice" may have been coloring their >>thinking based on Crafty blitz games on ICC. These are hardly the games upon >>which to make ones opening choices for a serious tournament time control match >>with money on the line. >> >>Below is a table of results for the games. Scores are from the white (computer) >>perspective. >> >> opening: 1.e4 e5 1.e4 other not 1.e4 >> event score # games score # games score # games >>Deep Blue-Kasparov 1996 0 1 1.5 2 0 0 >>Deep Blue-Kasparov 1997 1 1 1.5 2 0 0 >>Deep Fritz-Kramnik 2002 0.5 2 0 0 1.5 2 >>Rebel-van Wely 2002 0 0 2 2 0 0 >>X3D Fritz-Kasparov 2003 1 1 0 0 0.5 1 >>Hiarcs-Bareev 2003 0 0 1 2 0 0 >>Junior-Kasparov 2003 0 0 1.5 3 0 0 >> total 2.5 5 7.5 11 2 3 >> score 50% 68% 67% >> >>-Robin > >Perhaps there isn't anything in these statistics to make Adams deviate from his >opening repetoire, but there's plenty of reason given his results. > > DB 20/20 hindsight can make us all look brilliant.
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