Author: John Merlino
Date: 17:30:58 02/05/04
Go up one level in this thread
On February 05, 2004 at 20:15:44, Dieter Buerssner wrote: >On February 05, 2004 at 17:11:54, John Merlino wrote: > >>Also, I can't find a clear win for White after 1.Rb8 Nxh6! 2.gxh6 (or 2.Kxe7 >>Nf5+) Nc6. > >Yace shows mate score for Rc8, here. > >Regards, >Dieter Interesting. After 3.Rc8, the PV for The King (SKR personality on a P4-2.4) doesn't even get down to 5 pieces after almost 3 minutes on a P4-2.4: Time Depth Score Positions Moves 0:00 1/8 0.98 33743 3...Kb6 4.Kd6 Nd4 5.Rb8+ Ka5 6.Kd5 Nf5 7.Kc5 Ka6 0:00 1/8 0.71 48928 3...Kb5 4.Kd6 Nd4 5.Ke5 Nf3+ 6.Ke4 Nd2+ 7.Kd3 Nf3 8.Rb8+ Kc5 9.Ke3 0:00 2/9 0.44 94621 3...Kb5 4.Kd6 Na5 5.Ke5 b3 6.Kd4 Kb4 7.Rb8+ Ka3 8.Kc3 Ka2 0:00 3/10 0.89 241787 3...Kb5 4.Re8 b3 5.Kf7 b2 6.Re1 Nb4 7.Kg7 Nd3 8.Rb1 Kc4 9.Kxh7 0:01 4/11 0.64 431968 3...Kb5 4.Re8 b3 5.Kf7 b2 6.Re1 Kc4 7.Kg7 Ne5 8.Kxh7 Nf7 9.Re4+ Kd3 0:04 5/12 0.52 1156109 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Kc5 Nxh6 8.Rxb4+ Ka3 9.Rh4 Nf5 10.Rh3+ Ka4 11.Rxh7 0:06 6/13 0.53 1886468 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Kc5 Nxh6 8.Rxb4+ Ka3 9.Rh4 Nf5 10.Rxh7 Ne3 11.Re7 0:11 7/14 0.54 3552866 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Kc4 Ka3 8.Rb6 Ne3+ 9.Kd3 Ng4 10.Kc2 Ne3+ 11.Kc1 Nc4 12.Rb7 0:22 8/15 0.86 6879771 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Rb6 Ka3 8.Ke4 Ne7 9.Kd3 Nd5 10.Rb7 Nf6 11.Kc2 0:40 9/16 1.27 12936184 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Rb6 Ka3 8.Ke4 Ng3+ 9.Kd3 Nf5 10.Rf6 Ne7 11.Rf7 Ng6 12.Rxh7 b3 1:18 10/17 1.53 25881416 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Rb6 Ka3 8.Ke4 Ne7 9.Kd4 Nf5+ 10.Kd3 Kb3 11.Rf6 Ne7 12.Rf7 Ng6 13.Rxh7 2:48 11/18 1.57 55066443 3...Kb5 4.Kd6 Nd4 5.Kd5 Nf5 6.Rb8+ Ka4 7.Rb6 Kb3 8.Rf6 Ne3+ 9.Kd4 Nc2+ 10.Kd3 Kb2 11.Rf7 b3 12.Rxh7 Nb4+ 13.Ke4 Kc1 14.Rc7+ Nc2 15.Rb7 How long did it take Yace to come up with this mate score and on what CPU? What's the PV? jm
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