Author: Tom Brake
Date: 02:33:10 07/21/04
Go up one level in this thread
On July 21, 2004 at 00:44:50, John Merlino wrote: >On July 20, 2004 at 23:57:41, Jon Dart wrote: > >>From a test game between two Arasan versions: >> >>[D] 2R2b1r/3nkp2/B2pp1p1/1N4Pn/P3P3/4BP2/1r5q/3QK1R1 w - - >> >>In the actual game, White played Qd3 and lost. >> >>White must play Nd4 or Na7 here, after which Crafty expects a >>draw by repetition. Crafty analysis (not the latest version): > >CM9_SKR on an AMD 2500 needs 1:16 to find Na7: > >Time Depth Score Positions Moves >0:00 1/3 -Mate05 2366 1.f4 Qh4+ 2.Rg3 Qxg3+ 3.Kf1 Qg2+ > 4.Ke1 Qh1+ 5.Bg1 Qxg1# >0:00 1/3 0.00 3389 1.Rc6 Qh4+ 2.Kf1 Qh3+ 3.Ke1 Qh4+ >0:00 1/4 0.00 12239 1.Rc6 Qh4+ 2.Kf1 Qh3+ 3.Ke1 Qh4+ >0:00 1/4 0.55 30044 1.Rg4 Bg7 2.Bg1 Qe5 >0:00 1/5 0.64 43772 1.Rg4 f5 2.Bg1 Qe5 3.Nd4 >0:00 1/6 0.57 122209 1.Rg4 Bg7 2.Bg1 Qe5 3.Rc2 Rb4 >0:01 1/7 0.43 341274 1.Rg4 Bg7 2.Bg1 Qe5 3.Qc1 Rxc8 > 4.Qxc8 >0:05 1/8 0.64 1226006 1.Rg4 Bg7 2.Bg1 Qe5 3.Bd4 Qh2 4.Na7 > Ne5 5.Bxb2 Qxb2 >0:22 1/9 -0.65 5158532 1.Rg4 f5 2.Bg1 Qe5 3.Bd4 Ng3 4.Bxb2 > Rh1+ 5.Kf2 Nxe4+ 6.fxe4 Qxb2+ 7.Qe2 > Qxe2+ 8.Kxe2 fxg4 >1:16 1/9 0.00 16333565 1.Na7 f5 2.exf5 Qh4+ 3.Kf1 Ne5 > 4.Rc7+ Kd8 5.Rc8+ Ke7 >4:14 2/10 0.00 52254044 1.Na7 f5 2.Qc1 Bg7 3.Nc6+ Kf7 4.Rc7 > Ke8 5.exf5 Qh4+ 6.Kf1 Qh3+ 7.Ke1 > Qh4+ > >jm CM9K_TOM (for lack of a better name) needs 51 seconds on an Athlon 1200 Time Depth Score Positions Moves 0:00 1/3 -1.31 3667 1.Bd4 Qh4+ 2.Kf1 Ng3+ 3.Rxg3 Qxg3 4.Re8+ Kxe8 5.Bxb2 Qxg5 0:00 1/3 0.00 4148 1.Nd4 Qh4+ 2.Kf1 Qh3+ 3.Ke1 Qh4+ 0:00 1/3 0.12 9517 1.Qxd6+ Qxd6 2.Nxd6 Kxd6 3.Bd4 Rb1+ 4.Kf2 0:00 1/4 0.12 14480 1.Qxd6+ Qxd6 2.Nxd6 Kxd6 3.Bd4 Rb1+ 4.Kf2 Rxg1 5.Kxg1 0:00 1/4 0.70 31002 1.Rg4 f5 2.Bg1 Qe5 0:01 1/5 0.48 51385 1.Rg4 Bg7 2.Bg1 Qe5 3.Rc2 0:02 1/6 0.64 155276 1.Rg4 Bg7 2.Bg1 Qe5 3.Rc2 Rxc2 4.Qxc2 0:06 1/7 0.55 407892 1.Rg4 Bg7 2.Bg1 Qe5 3.Bd4 Qh2 4.Bxb2 Bxb2 5.Nxd6 Qxd6 6.Qxd6+ Kxd6 0:25 1/8 -0.59 1906199 1.Rg4 f5 2.Bg1 Qe5 3.Bd4 Ng3 4.Bxb2 Rh1+ 5.Kf2 Qxb2+ 6.Rc2 Rh2+ 7.Kxg3 Rxc2 8.Qxd6+ Kd8 0:51 1/8 0.00 3864916 1.Na7 Ne5 2.Nc6+ Nxc6 3.Rxc6 Bg7 4.Rc7+ Kf8 5.Rc8+ Ke7 6.Rc7+ 2:24 1/9 0.00 11267969 1.Na7 Qh4+ 2.Kf1 Qh3+ 3.Ke1 Qh4+ I really need to get a second computer built to test this out against other personalities.
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