Author: Gian-Carlo Pascutto
Date: 10:14:31 03/12/02
Go up one level in this thread
On March 12, 2002 at 12:17:12, Gian-Carlo Pascutto wrote: >On March 12, 2002 at 05:17:34, Ed Schröder wrote: > >>[d]8/p7/qb5p/p7/p6p/7p/2P1P2k/2Q2K2 w - - id M23; >> >>I found another long mate in my database, however I lost the solution! > >Too hard for my thing. It didn't find a solution before my patience >ran out. > >This was one of the last variations it spitted out before I terminated it: > >P: 791 D: 2310904 N: 183356 S: 491327969 Mem: 4.90M Iters: 7148 PV: c1f4 h2h1 >f4f5 h1h2 f5e5 h2h1 e5d5 h1h2 d5d6 h2h1 d6c6 h1h2 c2c4 b6c7 c6a6 h2g3 c4c5 Regular alpha-beta has a similar line: Sjeng: go Endgame phase. Time for move : 100000000 2 0 0 269 Qf4+ !! 2 0 0 480 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> 2 0 0 530 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> 3 0 0 1080 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 3 0 0 1127 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 4 0 0 2195 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 4 0 0 2239 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 5 0 1 9456 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 5 0 1 10371 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 6 0 3 25619 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 6 0 4 26733 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 7 0 8 51931 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 7 0 8 53338 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 8 0 12 81462 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 8 0 12 81487 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 9 0 22 141470 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 9 0 22 145367 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 10 0 46 306937 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 10 0 48 319046 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 11 0 94 610053 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 11 0 97 630071 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 12 0 187 1206557 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 12 0 193 1241107 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 13 0 402 2501839 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 13 0 415 2568112 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 14 0 3345 19566393 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 14 0 3596 21050409 Qf4+ Kh1 Qf3+ Kh2 Qf4+ <Kh1> <Qf3+> <Kh2> <Qf4+> <Kh1> <Qf3+> <Kh2> 15 50 6891 39580848 Qf4+ !! 15 297 10480 59401354 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 c4 Kg3 Qf3+ Kh2 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 e3 Bxe3 Qxa6 Bg1 Qxh6 Kh1 Qxh4 Kh2 Qf4+ Kh1 Ke2 15 297 11112 62922074 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 c4 Kg3 Qf3+ Kh2 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 e3 Bxe3 Qxa6 Bg1 Qxh6 Kh1 Qxh4 Kh2 Qf4+ Kh1 Ke2 16 330 26211 151808166 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 c4 Kg3 Qf3+ Kh2 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 e3 Bxe3 Qxa6 Bb6 c5 Bc7 Qe2+ Kg3 Qe3+ Kg4 Ke2 h2 Qe6+ 16 330 27528 159934629 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 c4 Kg3 Qf3+ Kh2 Qf4+ Kh1 Qe4+ Kh2 Qe5+ Kh1 Qd5+ Kh2 Qd6+ Kh1 Qc6+ Kh2 e3 Bxe3 Qxa6 Bb6 c5 Bc7 Qe2+ Kg3 Qe3+ Kg4 Ke2 h2 Qe6+ 17 380 44822 259881882 Qf4+ !! -- GCP
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