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Subject: Re: Crafty shows a mate...

Author: Slater Wold

Date: 15:55:49 10/06/03

Go up one level in this thread


On October 06, 2003 at 13:51:29, Slater Wold wrote:

>[D]8/6NK/8/1Bk5/P5q1/8/8/8 w - - 0 107

Guess I just needed to wait longer  Talk about a fail low, from -0.01 to Mate in
35!

On the other hand, Crafty without TBs realizes this isn't a draw *far* faster
than with TBs.  But of course, there's no way it'd find the mate.  Just a
negative score.

end-game phase
              clearing hash tables
              time surplus   0.00  time limit 20:00 (20:00)
              depth   time  score   variation (1)
starting thread 1
                9     8.22  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
                9->  10.19  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB> (s=2)
               10    10.81  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               10->  11.97  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB> (s=2)
               11    16.09  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               11->  17.55  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               12    25.38  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               12->  29.58  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB> (s=2)
               13    34.06  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               13->  35.00  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               14    39.69  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               14->  41.67  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               15    56.49  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               15->  58.05  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               16     1:10  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               16->   1:12  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               17     1:49  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               17->   1:51  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               18     2:13  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               18->   2:17  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               19     3:09  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               19->   3:13  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               20     3:58  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               20->   4:04  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    4. Kh8 Qxb5 <EGTB>
               21     5:16     --   1. Kg8
               21     5:40  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    <HT>
               21->   5:46  -0.01   1. Kg8 Qc8+ 2. Kh7 Kb4 3. Ne8 Qb7+
                                    <HT>
               22     6:37     --   1. Kg8
               22    15:07 -Mat35   1. Kg8 Qf3 2. Ne8 Kd5 3. Kg7 Ke6 4.
                                    Kg6 Qg3+ 5. Kh6 Ke5 6. Ng7 Qf4+ 7.
                                    Kh5 Qf3+ 8. Kh6 Qf6+ 9. Kh7 <HT>
              time=20:00  cpu=142%  mat=-2  n=1272166784  fh=87%  nps=1060k
              ext-> chk=171795031 cap=436 pp=218844 1rep=4678674 mate=2166693
              predicted=0  nodes=1272166784  evals=449444761
              endgame tablebase-> probes done=2802976  successful=2788116
              SMP->  split=7291  stop=1460  data=13/32  cpu=28:33  elap=20:00



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