Author: John Merlino
Date: 11:28:06 01/29/06
Go up one level in this thread
On January 29, 2006 at 02:21:05, Mike Byrne wrote: >Chess Genius 5 solved this problem in about 6 hours in the late 90's, now solved >in less than a minute > >FEN: [d]r4r2/1q2ppk1/b1np2p1/6P1/4P3/1BNnBP2/PP1K4/R2Q3R w - - 0 1 Nineteen seconds for CM9_R1 to announce Mate in 12 on a P4-2.4: Time Depth Score Positions Moves 0:01 1/6 0.17 143216 1.Kc2 Bc4 2.Qd2 Bxb3+ 3.axb3 Ncb4+ 4.Kb1 Rxa1+ 5.Kxa1 Kg8 0:01 1/6 0.80 174867 1.Qc2 Nc5 2.Nd5 Nxb3+ 3.Qxb3 Ne5 4.Bd4 0:01 1/6 0.95 220066 1.Rb1 e6 2.Rh6 Na5 3.Bd4+ Ne5 4.Qh1 Nxb3+ 5.axb3 0:01 1/6 1.44 281452 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Nce5 4.Rh1 Nxf3+ 5.Kc2 Nb4+ 6.Kc1 Nh4 7.Rxh4 0:02 1/7 2.60 343913 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Ne1 4.Qxg6+ Kh8 5.Qh6+ Kg8 6.Rxe1 Ne5 7.Rh1 Nxf3+ 8.Kc1 0:02 1/8 6.24 515236 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Nf4 5.Bxf4 Nd4 6.Rh1 Nxb3+ 7.Ke3 0:03 1/9 10.56 745514 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Nf4 5.Bxf4 Bf1 6.Rxf1 Nd4 7.Nd5 0:05 1/10 10.77 1094011 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Nf4 5.Bxf4 Bf1 6.Rxf1 Nd4 7.Nd5 Nxb3+ 8.Kc3 0:12 1/11 16.79 3110752 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Nf4 5.Bxf4 Bf1 6.Rxf1 Ra1 7.Rxa1 Nd4 8.Nd5 0:19 1/12 Mate12 5432002 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Ne1 5.Rxe1 Bf1 6.Nd5 Ra2 7.Nf6+ exf6 8.gxf6 Rxb2+ 9.Kc1 Rb1+ 10.Kxb1 Bd3+ 11.Kc1 Bf1 12.Qg7# 0:33 1/13 Mate12 9945679 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Ne1 5.Rxe1 Bf1 6.Nd5 Ra2 7.Nf6+ exf6 8.gxf6 Rxb2+ 9.Kc1 Rb1+ 10.Kxb1 Bd3+ 11.Kc1 Bf1 12.Qg7# 1:05 2/14 Mate12 20434543 1.Rh7+ Kxh7 2.Qh1+ Kg8 3.Qh6 Qxb3 4.axb3 Ne1 5.Rxe1 Bf1 6.Nd5 Ra2 7.Nf6+ exf6 8.gxf6 Rxb2+ 9.Kc1 Rb1+ 10.Kxb1 Bd3+ 11.Kc1 Bf1 12.Qg7# jm
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