Author: Bahram Namjou
Date: 10:42:59 09/04/05
Go up one level in this thread
Thanks Jm..But if you look at the scoring, only chess tiger gave -6.0 in 3 seconds, no matter it is Qg2+, or Of7+, or Qf5+... Newer engine don't see this -6.0 scoring at the start...which supposedly are more sophisticated... On September 04, 2005 at 13:31:39, John Merlino wrote: >On September 04, 2005 at 13:04:53, Bahram Namjou wrote: > >>In this position, it is interesting to note that only chess tiger14 understand >>white is going to mate very soon. This engine saw this in less than 3 seconds!!! >>Newer engines such as shredder, toga, fruit, hiarcs, crafty all were not able to >>see it is coming even after 5 minutes...I like to know the reason for this if >>someone knows... >>and how about other engines!... >> >>[D]8/8/8/3k2K1/2q3PP/8/p7/5Q2 w - - 0 90 >> >>Analysis by Chess Tiger 14.0: >> >>-+ (-6.69) 90.Qf5+ Kd4 91.Qf6+ Kd3 92.Kh5 Qb5+ 93.g5 Qb1 94.Qd6+ Kc2 95.Qc6+ >>Kd2 96.Qd5+ Ke2 97.Qe6+ Kf2 98.Qf6+ Kg3 00:02:54 > >I'm not sure you're reading that correctly. Different engines report scores in >different ways, but I'm pretty sure that in this situation (White to move), if >the score is negative, then BLACK is winning. > >Here is what CM9_R1 says on a P4-2.4: > >Time Depth Score Positions Moves >0:00 1/3 0.47 2832 90.Qa1 Kd6 91.Qf6+ Qe6 >0:00 1/3 0.53 5265 90.Qf7+ Kd4 91.Qf6+ Kd5 92.Qa1 Qa6 >0:00 1/4 0.43 11304 90.Qf7+ Kd4 91.Qf6+ Ke4 92.Qf5+ > Kd4 93.Qf4+ Kc3 94.Qe5+ Qd4 >0:00 1/5 0.26 37702 90.Qf7+ Kc5 91.Qf8+ Kb5 92.Qb8+ > Kc5 93.Qa7+ Kd6 94.Qb6+ Kd7 95.Qf6 >0:00 1/6 0.00 116278 90.Qf7+ Kc5 91.Qf8+ Kd5 92.Qf5+ > Kd6 93.Qf8+ Kd5 >0:01 1/7 0.00 342311 90.Qf7+ Kc5 91.Qf2+ Kb4 92.Qb2+ > Kc5 93.h5 Qd5+ 94.Kh6 Qe6+ 95.Kg5 > Qd5+ >0:03 1/8 0.00 593948 90.Qf7+ Kc5 91.Qf2+ Kb4 92.Qb2+ > Kc5 93.Qf2+ >0:08 1/9 -0.29 1730750 90.Qf7+ Kd4 91.Qf6+ Ke4 92.Qf5+ > Ke3 93.Qe5+ Kd3 94.Kh5 Qg8 95.Qf5+ > Kc3 96.Qf3+ Kd4 97.Qf4+ Kd5 98.Qf5+ > Kc4 >0:20 2/10 -0.13 4344204 90.Qf7+ Kd4 91.Qf6+ Ke4 92.Qf5+ > Ke3 93.Qe5+ Kd3 94.Kh5 Qd4 95.Qb5+ > Kc3 96.Qc6+ Kb2 97.Qb7+ Kc2 98.Qh7+ > Kc3 >0:36 3/11 -0.13 7791764 90.Qf7+ Kd4 91.Qf6+ Ke3 92.Qe5+ > Kd3 93.Kh5 Qf7+ 94.Kg5 Qg8+ 95.Kh6 > Qxg4 96.Qd5+ Kc3 97.Qxa2 Qxh4+ > 98.Kg6 Qe4+ 99.Kg7 Qf4 >1:20 4/12 -0.09 18200832 90.Qf7+ Kd4 91.Qf6+ Ke3 92.Qe5+ > Kd3 93.Kh5 Qf7+ 94.Kg5 Qg8+ 95.Kh6 > Qxg4 96.Qd5+ Kc3 97.Qxa2 Qxh4+ > 98.Kg6 Qe4+ 99.Kf6 Qf4+ 100.Ke6 Kd4 >3:01 5/13 -0.55 43010601 90.Qf7+ Kc5 91.Qf2+ Kb5 92.Qb2+ > Ka6 93.Qf6+ Ka5 94.Qa1 Qb5+ 95.Kf4 > Qb1 96.Qe5+ Ka4 97.Qe8+ Qb5 98.Qa8+ > Kb3 99.Qf3+ Kb4 100.Qd1 Qb8+ 101.Kf5 > Qf8+ 102.Ke4 > >jm
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