Author: John Merlino
Date: 13:43:29 05/24/05
Go up one level in this thread
On May 24, 2005 at 14:20:04, Volker Kniest wrote: >Hi folks, > >which engine find the keymove 1.Ke8 and the mate in 18? > >[D]3K4/7P/7k/1R5P/1B6/8/p7/b7 w - - 0 1 > >FEN: 3K4/7P/7k/1R5P/1B6/8/p7/b7 w - - 0 1 > >I like to see the pv including time for solution from different engines. > >Hiarcs 9.0 need close to 36 minutes to find the mate. > >Greetings > >Volker CM9_R1 finds Ke8 in less than one second, but since it does not have tablebases, it does not find a mate in under one hour: Time Depth Score Positions Moves 0:00 1/5 4.06 20955 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 0:00 1/6 4.23 63984 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bd2+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 0:00 1/7 5.11 114667 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Be5 6.Bg7 Bxg7 7.Rxg7+ Kh8 0:01 1/8 3.24 205950 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Ba1 Bxh6 0:02 2/9 3.80 565819 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Ba1 Bxh6 8.Ra7 0:03 3/10 5.98 1013602 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 Be3 9.Rxa2 0:05 4/11 6.02 1753547 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 a1=Q 9.Bxa1 0:09 5/12 6.09 3358077 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 a1=Q 9.Rxa1 Be3 10.Rf1 0:17 6/13 6.16 7199552 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 a1=Q 9.Bxa1 Bf8 10.Bd4 Bd6 11.Rg7+ Kh8 0:36 7/14 6.17 16076847 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 a1=Q 9.Rxa1 Kh7 10.Kd7 Kg6 11.Ra6+ Kf5 12.Rxh6 Kxe5 1:24 8/15 6.23 38386836 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 a1=Q 9.Rxa1 Be3 10.Rh1 Bh6 11.Rh3 Kh7 12.Kd7 3:27 9/16 6.28 94142316 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 Be3 7.Be5 Bxh6 8.Ra7 a1=Q 9.Rxa1 Be3 10.Rh1 Bh6 11.Ke7 Kh7 12.Bf4 9:29 10/17 6.44 252030121 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 a1=Q 7.h7+ Kxh7 8.Bxd4+ Kg8 9.Rg7+ Kh8 10.Rg4+ Qxd4 11.Rxd4 Kg7 12.Kd7 Kh7 13.Ke6 Kg6 14.Ke5 Kg5 26:46 11/18 6.56 687229405 1.Ke8 Bd4 2.h8=Q+ Bxh8 3.Bf8+ Kh7 4.Rb7+ Kg8 5.h6 Bd4 6.Bg7 a1=Q 7.h7+ Kxh7 8.Bxd4+ Kg8 9.Rg7+ Kh8 10.Rg4+ Qxd4 11.Rxd4 Kg7 12.Rd6 Kg8 13.Rd7 Kh8 14.Kf7 Kh7 15.Kf6+ Kg8 16.Ke5 jm
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