Author: Mike Byrne
Date: 16:20:37 07/25/03
Go up one level in this thread
On July 25, 2003 at 18:05:40, Tony Werten wrote: >On July 25, 2003 at 17:59:01, Mike Byrne wrote: > >>On July 25, 2003 at 17:50:21, Ernst Walet wrote: >> >>> >> >>This position is NOT a mate-in-one. > >He didn't say that. The mate in 1 Rebel missed was a being mated in 1. ( It gave >a 0.00 score ) > >Tony > Thanks for the clarification, I misunderstood what he was saying. Interestingly, I stepped away with the computer still going on this position. Forget about the 50 move ruls for moment, this is a forced mate for black in 21 moves or less (F8 Gui while running Crafty will often displays the wrong mate in xx score, undestating the mate-in xx by one.. -- It's an interface issue between GUI and Crafty .) New game [d]8/8/6p1/6k1/3p2P1/4b2Q/4Bq2/7K w - - 0 1 Analysis by Crafty 19.04 SE: 1.Bd3 Qg1# -+ (-#1) Depth: 2 00:00:00 1.Qxe3+ dxe3 2.Bd3 -+ (-9.25) Depth: 2 00:00:00 1.Qf1 Qg3 -+ (-2.31) Depth: 2 00:00:00 1.Qf1 Qg3 2.Bd3 Qh4+ 3.Kg2 Qxg4+ 4.Kh2 Bf4+ 5.Kh1 -+ (-2.94) Depth: 6 00:00:00 13kN 1.Qf1 Qg3 2.Bd3 Qh4+ 3.Kg2 Qxg4+ 4.Kh2 Bf4+ 5.Kh1 -+ (-2.94) Depth: 6 00:00:00 17kN 1.Qf1 Qg3 2.Bf3 d3 3.Qg2 Qe1+ 4.Kh2 Kf6 -+ (-3.04) Depth: 7 00:00:00 37kN 1.Qf1 Qg3 2.Bf3 d3 3.Qg2 Qe1+ 4.Kh2 Kf6 -+ (-3.04) Depth: 7 00:00:00 44kN 1.Qf1 Qg3 2.Bc4 Qh4+ 3.Kg2 Qxg4+ 4.Kh1 Bf4 5.Qd3 Bg3 -+ (-3.16) Depth: 8 00:00:00 92kN 1.Qf1 Qg3 2.Bc4 Qh4+ 3.Kg2 Qxg4+ 4.Kh1 Bf4 5.Qd3 Bg3 -+ (-3.16) Depth: 8 00:00:00 150kN 1.Qf1 Qg3 2.Bc4 Qh4+ 3.Kg2 Qxg4+ 4.Kh1 Qh4+ 5.Kg2 Qe4+ 6.Qf3 Qc2+ 7.Be2 Kh6 -+ (-2.89) Depth: 9 00:00:00 211kN 1.Qf1 Qg3 2.Bc4 Qh4+ 3.Kg2 Qxg4+ 4.Kh1 Qh4+ 5.Kg2 Qe4+ 6.Qf3 Qc2+ 7.Be2 Kh6 -+ (-2.89) Depth: 9 00:00:00 225kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qd1+ 6.Kf2 Qd3 -+ (-5.36) Depth: 10 00:00:01 709kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qd1+ 6.Kf2 Qd3 -+ (-5.36) Depth: 10 00:00:01 791kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qd1+ 6.Kf2 Qd3 -+ (-5.36) Depth: 11 00:00:01 972kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qd1+ 6.Kf2 Qd3 -+ (-5.36) Depth: 11 00:00:01 1061kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qe3+ 6.Kf1 Qc1+ 7.Kf2 Qc5+ 8.Kf1 Qe7 -+ (-5.44) Depth: 12 00:00:02 1668kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qe3+ 6.Kf1 Qc1+ 7.Kf2 Qc5+ 8.Kf1 Qe7 -+ (-5.44) Depth: 12 00:00:03 1940kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qe3+ 6.Kf1 Qc1+ 7.Kf2 Qc5+ 8.Kf1 Qe7 -+ (-5.44) Depth: 13 00:00:04 2888kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qe3+ 6.Kf1 Qc1+ 7.Kf2 Qc5+ 8.Kf1 Qe7 -+ (-5.44) Depth: 13 00:00:05 3276kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qd1+ 6.Kf2 Qxg4 7.Qd5+ Kf6 8.Qd8+ Kg7 9.Qd5 -+ (-5.99) Depth: 14 00:00:13 6565kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qd1+ 6.Kf2 Qxg4 7.Qd5+ Kf6 8.Qd8+ Kg7 9.Qd5 -+ (-5.99) Depth: 14 00:00:19 9183kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Kf1 Qxg4 7.Qd5+ Kh4 8.Qe4 Kh3 9.Ke1 -+ (-5.99) Depth: 15 00:00:31 13840kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Kf1 Qxg4 7.Qd5+ Kh4 8.Qe4 Kh3 9.Ke1 -+ (-5.99) Depth: 15 00:00:37 15862kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Kf1 Qxg4 7.Qd5+ Qf5 8.Qf3 Kf6 9.Qf2 -+ (-6.26) Depth: 16 00:01:05 28738kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Kf1 Qxg4 7.Qd5+ Qf5 8.Qf3 Kf6 9.Qf2 -+ (-6.26) Depth: 16 00:01:17 32663kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Qxg3 Bxg3 -+ (-#20) Depth: 17 00:14:34 632784kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Qxg3 Bxg3 -+ (-#20) Depth: 17 00:18:29 782390kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Qxg3 Bxg3 -+ (-#20) Depth: 18 00:21:18 882680kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Qxg3 Bxg3 -+ (-#20) Depth: 18 00:23:44 972455kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Qxg3 Bxg3 -+ (-#20) Depth: 19 00:33:33 1355091kN 1.Qf1 Qg3 2.Bc4 d3 3.Bxd3 Bf4 4.Qg2 Qxd3 5.Kg1 Qg3 6.Qxg3 Bxg3 -+ (-#20) Depth: 19 00:38:48 1556912kN (Byrne, Secane, PA USA 25.07.2003) Personally, I think the 50 move rule should be changed to 80 or 100.
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