Computer Chess Club Archives


Search

Terms

Messages

Subject: one from the archives ...

Author: Mike Byrne

Date: 19:48:13 03/29/05


how before your engine realizes black is winning...

Black(1): [d]1k6/8/8/8/8/5p1p/PPP5/6K1 w - - 0 1
White(1): g
              time surplus  19.05  time limit 10:00 (10:00)
              depth   time  score   variation (1)
                1     0.00   5.35   1. Kf2
                1->   0.02   5.35   1. Kf2
                2     0.02     -1   1. Kf2
                2     0.02  -7.05   1. Kf2 h2 2. Kxf3 h1=Q+
                2     0.02   4.95   1. c4 Kb7
                2->   0.03   4.95   1. c4 Kb7
                3     0.03     +1   1. c4!!
                3     0.03   5.53   1. c4 Kb7 2. Kf2
                3->   0.05   5.53   1. c4 Kb7 2. Kf2
                4     0.05     -1   1. c4
                4     0.06   5.11   1. c4 Kb7 2. b4 Kb6
                4->   0.06   5.11   1. c4 Kb7 2. b4 Kb6
                5     0.06     +1   1. c4!!
                5     0.06   5.69   1. c4 Kb7 2. b4 Kb6 3. Kf2
                5->   0.06   5.69   1. c4 Kb7 2. b4 Kb6 3. Kf2
                6     0.06     -1   1. c4
                6     0.06   5.27   1. c4 Kb7 2. b4 Kb6 3. c5+ Kb5 4. a3
                6     0.06   5.53   1. a4 Kb7 2. b4 Kc6 3. b5+ Kb6 4. Kf2
                6->   0.08   5.53   1. a4 Kb7 2. b4 Kc6 3. b5+ Kb6 4. Kf2
                                    (s=4)
                7     0.09   5.67   1. a4 Kb7 2. b4 Kc6 3. c3 Kd5 4. Kf2
                                    (s=3)
                7->   0.09   5.67   1. a4 Kb7 2. b4 Kc6 3. c3 Kd5 4. Kf2
                                    (s=2)
                8     0.09     -1   1. a4
                8     0.09   5.27   1. a4 Kb7 2. c3 Kb6 3. b4 Ka6 4. a5
                                    Kb5
                8     0.11   5.55   1. b4 Kc7 2. c4 Kb7 3. c5 Kc6 4. a4
                                    <HT>
                8->   0.13   5.55   1. b4 Kc7 2. c4 Kb7 3. c5 Kc6 4. a4
                                    <HT> (s=3)
                9     0.22   5.83   1. b4 Kc7 2. c4 Kc6 3. c5 Kd5 4. a3
                                    Kc4 5. c6 Kd3 <HT> (s=2)
                9->   0.22   5.83   1. b4 Kc7 2. c4 Kc6 3. c5 Kd5 4. a3
                                    Kc4 5. c6 Kd3 <HT>
               10     0.24   5.55   1. b4 Kc7 2. c4 Kc6 3. a3 Kc7 4. c5
                                    Kc6 5. a4 <HT>
               10->   0.27   5.55   1. b4 Kc7 2. c4 Kc6 3. a3 Kc7 4. c5
                                    Kc6 5. a4 <HT> (s=3)
               11     0.56   5.19   1. b4 Kc7 2. a4 Kc6 3. a5 Kb5 4. c3
                                    Kc4 5. a6 h2+ 6. Kxh2 Kxc3 (s=2)
               11->   0.66   5.19   1. b4 Kc7 2. a4 Kc6 3. a5 Kb5 4. c3
                                    Kc4 5. a6 h2+ 6. Kxh2 Kxc3
               12     0.67     +1   1. b4!!
               12     0.69     +3   1. b4!!
               12     0.70   5.67   1. b4 Kb7 2. a4 Kc6 3. a5 Kb5 4. c3
                                    Kc6 5. c4 <HT>
               12     0.78   6.54   1. a4 Kb7 2. a5 Kc6 3. b3 Kc5 4. c4
                                    Kb4 5. a6 Kxb3 6. a7 Kxc4 7. a8=Q
               12->   0.78   6.54   1. a4 Kb7 2. a5 Kc6 3. b3 Kc5 4. c4
                                    Kb4 5. a6 Kxb3 6. a7 Kxc4 7. a8=Q (s=2)
               13     1.00   6.89   1. a4 Kb7 2. a5 Kc6 3. b4 Kb5 4. c3
                                    Kc4 5. a6 Kd3 6. b5 Ke2 7. b6 f2+ <HT>
               13->   1.03   6.89   1. a4 Kb7 2. a5 Kc6 3. b4 Kb5 4. c3
                                    Kc4 5. a6 Kd3 6. b5 Ke2 7. b6 f2+ <HT>
               14     1.08     -1   1. a4
               14     1.27   5.39   1. a4 Kb7 2. a5 Kc6 3. b4 Kb5 4. c3
                                    Kc4 5. a6 Kd3 6. c4 Kxc4 7. a7 h2+
                                    8. Kxh2 f2 9. Kg2
               14->   1.47   5.39   1. a4 Kb7 2. a5 Kc6 3. b4 Kb5 4. c3
                                    Kc4 5. a6 Kd3 6. c4 Kxc4 7. a7 h2+
                                    8. Kxh2 f2 9. Kg2 (s=2)
               15     2.08   5.36   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Kb7 5. b5 Ka7 6. c5 Kb7 7. b6 f2+ 8.
                                    Kxf2 h2 9. Kg2
               15->   3.31   5.36   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Kb7 5. b5 Ka7 6. c5 Kb7 7. b6 f2+ 8.
                                    Kxf2 h2 9. Kg2 (s=2)
               16     3.39     -1   1. a4
               16     3.61   2.82   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. c6 Kc7 <HT>
               16->   4.03   2.82   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. c6 Kc7 <HT>
                                    (s=3)
               17     4.70     +1   1. a4!!
               17     4.88   3.40   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. c6 Kc7 8.
                                    a6 Kb6 9. Kf2 (s=2)
               17->   5.05   3.40   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. c6 Kc7 8.
                                    a6 Kb6 9. Kf2
               18     5.28     -1   1. a4
               18     5.81   2.06   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. a6+ Kb6 7. c5+ Ka7
                                    8. c6 Kb6 9. c7 Kxc7 10. a7 Kb7 11.
                                    b6 Ka8
               18->   6.52   2.06   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. a6+ Kb6 7. c5+ Ka7
                                    8. c6 Kb6 9. c7 Kxc7 10. a7 Kb7 11.
                                    b6 Ka8 (s=2)
               19     7.53     +1   1. a4!!
               19     8.06   2.64   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. a6+ Kb6 7. c5+ Ka7
                                    8. c6 Kb6 9. c7 Kxc7 10. a7 Kb7 11.
                                    b6 Ka8 12. Kf2
               19->   8.49   2.64   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. a6+ Kb6 7. c5+ Ka7
                                    8. c6 Kb6 9. c7 Kxc7 10. a7 Kb7 11.
                                    b6 Ka8 12. Kf2
               20     9.72     -1   1. a4
               20    15.39  -1.32   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. b6 Ka6 7. b7 Kxb7
                                    8. c5 Kb8 9. a6 Ka7 10. c6 Kxa6 11.
                                    Kf2
               20->  20.31  -1.32   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. b6 Ka6 7. b7 Kxb7
                                    8. c5 Kb8 9. a6 Ka7 10. c6 Kxa6 11.
                                    Kf2 (s=2)
               21    29.08  -1.62   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. b6 Ka6 7. b7 Kxb7
                                    8. c5 Kb8 9. a6 Kc7 10. a7 Kb7 11.
                                    c6+ Kxa7 12. c7 Kb7
               21->  31.67  -1.62   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. b6 Ka6 7. b7 Kxb7
                                    8. c5 Kb8 9. a6 Kc7 10. a7 Kb7 11.
                                    c6+ Kxa7 12. c7 Kb7
               22    35.88  -1.90   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. a6 Ka7 <HT>
               22->  39.05  -1.90   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. a6 Ka7 <HT>
                                    (s=2)
               23    55.47     -1   1. a4
               23     1:03  -3.10   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. a6 Ka7 8.
                                    c6 Kb6 9. c7 Kxc7 10. a7 Kb7 11. b6
                                    Ka8 12. b7+ Kxa7 13. b8=Q+ Kxb8 <HT>
               23->   1:12  -3.10   1. a4 Kb7 2. a5 Ka7 3. b4 Ka6 4. c4
                                    Ka7 5. b5 Kb7 6. c5 Kb8 7. a6 Ka7 8.
                                    c6 Kb6 9. c7 Kxc7 10. a7 Kb7 11. b6
                                    Ka8 12. b7+ Kxa7 13. b8=Q+ Kxb8 <HT>
                                    (s=2)
               24     1:19     -1   1. a4
?              24     1:19   1/10*  1. a4
White(1): ?
              time=1:29  cpu=181%  mat=1  n=342060921  fh=91%  nps=3.81M
              ext-> chk=38925158 cap=731834 pp=1940331 1rep=821581 mate=41953
              predicted=0  nodes=342060921  evals=132935762  50move=0
              endgame tablebase-> probes=1981413  hits=4440
              SMP->  split=12170  stop=794  data=11/64  cpu=2:42  elap=1:29



This page took 0.01 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.