Author: Bruce Moreland
Date: 16:34:02 03/01/01
Go up one level in this thread
On February 27, 2001 at 08:24:14, Jorge Pichard wrote: >I believe that the drawish move was Qe3! instead of the Qxc6? Can somebody >post the FEN string that produce the graphical position for me. Plus I wonder >what program save the draw in the shortest time possible? PV 00:00:26.812 13 -192 [wrong] Qxc6 dxc6 Kf8 Ra7 Rc8 Rb7 Rd8 Rxb5 Ra8 PV 00:01:14.078 13 -189 [right] Qe3 PV 00:02:14.609 13 -108 [right] Qe3 PV 00:04:18.125 13 -104 [right] Qe3 Qxd6 Re8 h4 h5 Bf3 Qc1+ Kf2 Qd2+ Be2 Qf4+ Kg1 Qe3+ Kh2 Qf4+ Kh3 Qxf5+ Kh2 Qf4+ Kg1 Qe3+ Kf1 Qc1+ Kf2 Qf4+ Ke1 Qc1+ Bd1 Qxc3+ Kf1 Qc1 Ra7+ Kg8 Ke2 c3 PV 00:07:11.734 14 -54 [right] Qe3 Qxd6 Re8 h4 h5 Bf3 Qc1+ Kf2 Qd2+ Be2 Qf4+ Kg1 Qe3+ Kh2 Qf4+ Kh3 Qxf5+ Kh2 Qf4+ Kg1 Qe3+ Kf1 Qc1+ Kf2 Qf4+ Ke1 Qc1+ Bd1 Qxc3+ Kf1 Qc1 Ra7+ Kg8 Ke2 c3 PV 00:24:24.312 14 -30 [right] Qe3 Qd7+ Kg8 Bf3 Kh7 Bh5 Qc1+ Kf2 Qf4+ Kg1 Qc1+ Kh2 Qf4+ Kh1 Qc1+ Kh2 PV 01:39:48.406 15 -33 [right] Qe3 Qxd6 Re8 Qd7+ Re7 Qc6 Qxe4 d6 Qd3+ Kg1 Re8 Ra7+ Kf8 Qc5 Kg8 d7 Rd8 Qb6 Kh7 Qxd8 Qe3+ Kf1 Qxa7 Ke2 PV 02:25:10.922 16 -36 [right] Qe3 Qxd6 Re8 Qd7+ Re7 Qc6 Qxe4 d6 Qd3+ Kg1 Re8 Ra7+ Kf8 Qc5 Kg8 d7 Rd8 Qb6 Kh7 Qxd8 Qe3+ Kf1 Qxa7 Qe7 Qa1+ Ke2 PV 14:39:16.765 17 -30 [right] Qe3 Bf3 Qc1+ Kf2 Qd2+ Be2 Qf4+ Kg1 Qc1+ Kf2 Qf4+ My program finds this move on 1:14 on a quad 450 Xeon, which I admit isn't very fast. But it has a draw score with a perpetual after 24 minutes (ply 14). It looks like it lost it in plies 15 and 16, but there's a perpetual in ply 17 after 14 hours. bruce
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