Author: Ingo Bauer
Date: 14:04:23 05/06/03
Go up one level in this thread
On May 06, 2003 at 13:21:50, Enrique Irazoqui wrote: >Cortlever published this study in 1986 as a "white to move and win". Is it >really a mate in 16 as I think? Any program finds 1.Bd4? > >[D]k4r2/P4P2/Kp1r2P1/1P6/2B4p/1PbpB3/5P2/8 w - - 0 1 > >1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8Q+ Rxf8 7.Bc4 Rf5 >8.Be6 Rxb5 9.b4 Rg5 10.Bd7 Rg6 11.b5 Rf6 12.f4 Bc5 13.Bh3 Rg6 14.Bf5 h3 15.Be4+ >Rc6 16.Bxc6# 1-0 > >Enrique Hi YACE Paderborn of course! I am showing hash_found/hash_probe as Hash Loaded 36 bitbases of size 14784644, 0 failed Engine: Yace Paderborn BB by Dieter Buerssner 9/28 0:00 +1.39++ 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Rd7 5.Bd6 Rxa7+ 6.Kxb6 Bd4+ 7.Kc6 Bh8 (764.233) 962.5 9/29 0:01 +2.17 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Rd7 5.Bd6 Bg7 6.f8Q+ Bxf8 7.Bxf8 (1.005.003) 981.4 9/30 0:01 +2.17 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Rd7 5.Bd6 Bg7 6.f8Q+ Bxf8 7.Bxf8 (1.084.777) 979.0 10/30 0:01 +2.08 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bd6 Bg7 7.f8Q+ Bxf8 8.Bxf8 (1.708.239) 1014.3 10/31 0:02 +2.08 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bd6 Bg7 7.f8Q+ Bxf8 8.Bxf8 (2.058.407) 1015.9 11/31 0:03 +2.08 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bd6 Bg7 7.f8Q+ Bxf8 8.Bxf8 (3.637.772) 1035.8 11/34 0:03 +2.08 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bd6 Bg7 7.f8Q+ Bxf8 8.Bxf8 (4.104.381) 1036.1 12/34 0:06 +1.84 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bh6 Rxg6+ 7.Kc5 Rf6 8.f8Q+ Rxf8 9.Bxf8 (6.881.723) 1034.2 12/37 0:08 +1.84 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bh6 Rxg6+ 7.Kc5 Rf6 8.f8Q+ Rxf8 9.Bxf8 (8.263.980) 999.6 13/43 0:17 +1.84 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bh6 Rxg6+ 7.Kc5 Rf6 8.f8Q+ Rxf8 9.Bxf8 Kxa7 (15.783.910) 915.7 13/43 0:21 +1.84 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 Ra1+ 5.Kxb6 Rg1 6.Bh6 Rxg6+ 7.Kc5 Rf6 8.f8Q+ Rxf8 9.Bxf8 Kxa7 (19.584.982) 911.1 14/43 0:26 +1.44-- 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bd6 Bg7 6.Be5 Rd8 7.Bxg7 h2 8.f8N h1Q 9.Kxb6 (24.440.788) 928.3 14/44 0:47 +1.33 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bd6 Bg7 6.Be5 Rd8 7.Bxg7 h2 8.f8Q Rxf8 9.Bxf8 h1Q 10.Kxb6 (45.324.467) 961.6 14/44 1:01 +1.33 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bd6 Bg7 6.Be5 Rd8 7.Bxg7 h2 8.f8Q Rxf8 9.Bxf8 h1Q 10.Kxb6 (59.313.433) 961.3 15/45 1:13 +0.93-- 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bd6 Bg7 6.Be5 Rd8 7.f8Q Bxf8 8.Bf6 h2 9.Be5 (69.967.713) 945.8 15/48 2:54 +0.58 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bh6 Rd8 6.Bf4 Bg7 7.Kxb6 (158.601.320) 908.1 15/48 3:40 +0.58 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bh6 Rd8 6.Bf4 Bg7 7.Kxb6 (199.270.941) 904.6 16/55 8:16 +0.65 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bh6 Rd8 6.Bf4 Bg7 7.Kxb6 Rd7 8.Kc6 Rxa7 9.Be5 Bf8 10.Bd6 Ra1 (442.487.827) 891.0 16/55 10:11 +0.65 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bh6 Rd8 6.Bf4 Bg7 7.Kxb6 Rd7 8.Kc6 Rxa7 9.Be5 Bf8 10.Bd6 Ra1 (545.361.639) 891.2 17/56 32:54 +0.41 1.Bc5 d2 2.Be2 d1Q 3.Bxd1 Rxd1 4.Bxf8 h3 5.Bh6 Rd8 6.Bf4 Bg7 7.Kxb6 Rd7 8.Kc6 Rxa7 9.b6 Re7 10.Bd6 h2 11.f8Q+ Bxf8 12.Bxh2 (1.756.358.296) 889.6 17/56 46:54 +0.42++ 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8Q+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Bc3 10.Bg4 Ra5+ 11.bxa5 Bg7 (2.519.175.110) 894.9 17/59 58:55 +1.05++ 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8R+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Ba1 10.Bg4 Re5 (3.162.140.165) 894.2 17/59 72:06 +1.23 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8R+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Rg5 10.f4 b5 11.fxg5 Bxa7 12.Kxb5 Kb7 13.g6 Bd4 14.Kc4 (3.881.663.307) 897.1 17/59 75:29 +1.23 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8R+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Rg5 10.f4 b5 11.fxg5 Bxa7 12.Kxb5 Kb7 13.g6 Bd4 14.Kc4 (4.065.955.212) 897.6 18/59 107:00 +1.18 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8Q+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Rg5 10.f4 b5 11.fxg5 Bxa7 12.Kxb5 Kb7 13.g6 Bd4 14.Bd5+ (1.500.889.743) 233.7 18/59 118:57 +1.18 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8Q+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Rg5 10.f4 b5 11.fxg5 Bxa7 12.Kxb5 Kb7 13.g6 Bd4 14.Bd5+ (2.167.837.973) 303.7 18/59 122:58 +1.18 1.Bd4 Bxd4 2.Bxd3 Re6 3.Bc4 Rd6 4.Be2 Rf6 5.g7 R6xf7 6.gxf8Q+ Rxf8 7.Bc4 Rf5 8.Be6 Rxb5 9.b4 Rg5 10.f4 b5 11.fxg5 Bxa7 12.Kxb5 Kb7 13.g6 Bd4 14.Bd5+ (2.391.933.419) 324.1 interior recognizer probes 3428961, found 3428937 egtb probes 15, found 12 max_depth 59 best move: Be3-d4 time: 122:58.400 min n/s: 324.181 nodes: 2.391.933.419 TB: 12 Bye Ingo
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