Author: Richard A. Fowell (fowell@netcom.com)
Date: 00:15:27 10/16/99
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On October 14, 1999 at 21:27:35, James Robertson wrote: >Today in a 5 2 blitz game on FICS, my program reached this position and played >a5!, which wins. I guess this shows the advantages of a permanent brain, as it >couldn't find the same move in over one and a half minutes after the game. > >3Q4/kp4pp/p3qr2/8/P1N1p3/1P1nP2P/2R3P1/6K1 w - - bm a5; > >How long does it take your program to see a5 as substantially better than Qd4? >If you program gives a5 a score of about 1 to 1.5 pawns for white, it isn't >seeing everything. :) > >CM5500: 6 seconds! >Crafty 16.18: 55 seconds >Insomniac 0.54: 1 min, 43 seconds >Crafty 16.16: 1 min, 59 seconds <snip> HIARCS on my 180 MHz Mac sees this in 1-2 seconds. 1 second - switches from Qd4 to a5 with score 0f 2.26 pawns 2 seconds - eval rises to 2.83 pawns 7 seconds - eval rises to 3.15 pawns 10 seconds - eval rises to 3.86 pawns 21 seconds - eval rises to 4.18 pawns 80 seconds - eval rises to 5.24 pawns Richard A. Fowell (fowell@netcom.com) http://dmoz.org/Games/Board_Games/Chess/Software/Macintosh/
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