Author: Kurt Utzinger
Date: 02:38:58 11/02/03
Go up one level in this thread
On November 02, 2003 at 04:54:06, Gian-Carlo Pascutto wrote: >On November 02, 2003 at 03:44:09, Ricardo Gibert wrote: > >>On November 02, 2003 at 03:20:26, Kurt Utzinger wrote: >> >>>A good example where Chess Tiger 15 needs much more time than >>>most other engines to evaluate the position as a draw: >>> >>>[D]8/8/r7/3K4/3Q4/5p2/5p2/6k1 b - - 0 1 >>> >> >>This is also a good example of a type of position of negligible practical >value. >>I don't think CT15's programmer needs to worry about it at all. > >*cough* *cough* *cough* > >IsiChess - ChessTiger, Dutch Open 2003 > >-- >GCP IsiChess MMX - Chess Tiger [D]8/1k6/p5q1/4P3/1P3P2/7Q/3K3p/8 b - - 0 1 Analysis by Chess Tiger 15.0: (P4 1.8/24 MB hash) 64...Qg1 65.e6 Qd4+ 66.Kc1 Qa1+ 67.Kd2 µ (-0.88) Depth: 1 00:00:00 -+ (-7.51) Depth: 4 00:00:00 2kN 64...Qb1 65.Qd7+ Kb6 66.Qd6+ Kb5 67.Qc5+ Ka4 68.e6 Qf1 -+ (-7.80) Depth: 4 00:00:00 5kN -+ (-7.41) Depth: 6 00:00:00 15kN 64...Qg1 65.Qd7+ Kb6 66.Qd8+ Kb5 67.Qa5+ Kc4 68.Qxa6+ Kxb4 69.Qb7+ Kc5 70.Qa7+ Kc4 71.Qa4+ Kd5 72.Qa8+ Ke6 -+ (-8.02) Depth: 6 00:00:00 47kN -+ (-7.80) Depth: 15 00:02:16 55491kN, tb=187 (Utzinger, MyTown 02.11.2003) IsiChess MMX - Chess Tiger 8/1k6/p5q1/4P3/1P3P2/7Q/3K3p/8 b - - 0 1 Analysis by Deep Sjeng 1.5: *************************** 64...Qg1 65.Qd7+ Kb6 66.Qd8+ Kc6 67.Qd6+ Kb5 68.Qb8+ Kc6 ² (0.40) Depth: 3/12 00:00:00 = (0.21) Depth: 5/18 00:00:00 64...Qf7 65.Kc3 Qxf4 66.Qd7+ Kb8 67.Qd8+ Ka7 68.Qd7+ Ka8 69.Qc6+ Kb8 70.Qe8+ Ka7 71.Qd7+ = (0.06) Depth: 5/19 00:00:00 = (0.00) Depth: 9/29 00:00:05 1986kN, tb=162 64...Qg1 65.Qd7+ Kb6 66.Qd8+ Kb5 67.Qa5+ Kc6 68.Qxa6+ Kd5 69.Qb7+ Ke6 70.Qc8+ Kd5 71.Qb7+ Ke6 72.Qc8+ Kd5 73.Qb7+ ³ (-0.48) Depth: 9/29 00:00:07 2593kN, tb=163 = (0.00) Depth: 13/38 00:00:49 17560kN, tb=1597 (Utzinger, MyTown 02.11.2003)
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