Author: Heiner Marxen
Date: 09:47:41 06/03/01
Go up one level in this thread
On June 03, 2001 at 00:04:05, Heiner Marxen wrote: >On June 02, 2001 at 14:36:59, Mike S. wrote: > >>On June 02, 2001 at 09:19:46, Uri Blass wrote: >>Bringer-Chezz >>[D]8/5k2/8/7p/4K2P/6P1/5P2/8 w - - 0 1 >>>Chessmaster without tablebases >>>6:49 f4 mate in 17 >>>6:50 Ke5 mate in 16 >> >>a) with 4-piece tbs: >> >>Analysis by Chess Tiger 14.0: >> >>1.g4 Kg6 2.gxh5+ Kxh5 >> +- (13.56) Depth: 12 00:00:00 45kN, tb=236 >> +- (#15) Depth: 16 00:00:13 2921kN, tb=3871 >> >>b) without tb access: >> >>CT 14/P3-700: No mate announcement within 3 minutes. > >Mate in 16 (20.4 minutes) with f3 or Kf5. >Still waiting for a PV. More probably later. Kf5 Ke7 f3 Kd6 g4 Kd7 g5 Kd6 g6 Ke7 f4 Kd6 g7 Kc5 g8=Q Kb4 Qd8 Kb3 Qd4 Ka2 Qb4 Ka1 Ke5 Ka2 Kd4 Ka1 Kc3 Ka2 Qb2# f3 Ke6 g4 Kd6 g5 Kd7 f4 Kd6 f5 Kd7 g6 Ke7 g7 Kf7 f6 Kg8 Kf4 Kf7 Ke5 Ke8 g8=Q+ Kd7 Qc4 Ke8 Qc8+ Kf7 Qh8 Kg6 Qg7# ( Chest tried to write a solution tree > 2GB into a disk file and died. Hrmpf. Added a new option to Chest to just print the PVs. Much better, now. Still, printing of large solution trees needs a rework. ) >>Hossa-Deep Shredder >>[D]6k1/p3q1b1/4N3/3p1PR1/2pP4/1p2P2P/7P/3K4 b - - 0 1 >>>Chessmaster6000 >>>1:46 52...b2 mate in 14 >> >>CT 14/P3-700: No mate announcement within 3 minutes. This is in fact a mate in 11 (62.5 minutes): PV: b2 Rxg7+ Qxg7 Nxg7 b1=Q+ Ke2 c3 f6 c2 f7+ Kxg7 f8=Q+ Kxf8 Kf3 c1=Q Kf4 Qf1+ Kg4 Qg1+ Kh4 Qh7# I have not (yet) tried the last two positions. Regards, Heiner
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