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Subject: Re: is this endgame position easy for most programs?

Author: chandler yergin

Date: 01:21:24 11/14/04

Go up one level in this thread


On November 13, 2004 at 01:26:57, Mike Byrne wrote:

>White(2): [d]8/7p/1kP2K2/8/8/1p2p3/1P2P3/8 w - - ;bm Kg7 draws!
>White(1): g
>end-game phase
>              clearing hash tables
>              time surplus   0.28  time limit 1:00 (1:00)
>              time surplus   0.28  time limit 1:00 (1:00)
>              depth   time  score   variation (1)
>                1     0.00  -2.83   1. Ke6 Kxc6
>                1->   0.00  -2.83   1. Ke6 Kxc6
>                2     0.00  -2.83   1. Ke6 Kxc6
>                2     0.00     +1   1. Kg5!!
>                2->   0.00  -3.23   1. Kg5
>                3     0.00     +1   1. Kg5!!
>                3     0.00     +3   1. Kg5!!
>                3     0.00  -1.20   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7
>                3->   0.02  -1.20   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7
>                4     0.02  -1.20   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7
>                4->   0.02  -1.20   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7
>                5     0.02  -1.20   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Ke5
>                5->   0.02  -1.20   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Ke5
>                                    (s=3)
>                6     0.02  -1.10   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Ke5
>                                    4. Kg6 Kd4 (s=2)
>                6->   0.04  -1.10   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Ke5
>                                    4. Kg6 Kd4 (s=3)
>                7     0.04  -0.90   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Kd4
>                                    4. Kg6 Ke5 5. Kf7 (s=2)
>                7->   0.05  -0.90   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Kd4
>                                    4. Kg6 Ke5 5. Kf7 (s=3)
>                8     0.05     -1   1. Kg5
>                8     0.07  -2.50   1. Kg5 Kxc6 2. Kh6 Kd5 3. Kxh7 Ke4
>                                    4. Kg6 Kf4 5. Kg7 Kg3 6. Kh7 Kf4 7.
>                                    Kg6 (s=2)
>                8     0.10  -2.41   1. Kf5 Kxc6 2. Ke4 Kd6 3. Kxe3 Ke5
>                                    4. Kd3 h5 5. e4 <HT>
>                8->   0.10  -2.41   1. Kf5 Kxc6 2. Ke4 Kd6 3. Kxe3 Ke5
>                                    4. Kd3 h5 5. e4 <HT> (s=4)
>                9     0.10  -2.41   1. Kf5 Kxc6 2. Ke4 Kd6 3. Kxe3 Ke5
>                                    4. Kd3 h5 5. e4 (s=3)
>                9->   0.13  -2.41   1. Kf5 Kxc6 2. Ke4 Kd6 3. Kxe3 Ke5
>                                    4. Kd3 h5 5. e4 (s=3)
>               10     0.18  -2.60   1. Kf5 Kxc6 2. Ke4 Kd6 3. Kd4 h5 4.
>                                    Ke4 Ke6 5. Kf4 Kd5 <HT> (s=2)
>               10     0.25  -2.44   1. Kg5 Kxc6 2. Kf4 Kd5 3. Kxe3 Ke5
>                                    4. Kf3 h5 5. e3 Kf5 6. Ke2
>               10->   0.25  -2.44   1. Kg5 Kxc6 2. Kf4 Kd5 3. Kxe3 Ke5
>                                    4. Kf3 h5 5. e3 Kf5 6. Ke2 (s=3)
>               11     0.32  -2.41   1. Kg5 Kxc6 2. Kf4 Kd5 3. Kxe3 Ke5
>                                    4. Kf3 Kf5 5. e4+ Ke5 6. Ke3 h5 (s=2)
>               11->   0.36  -2.41   1. Kg5 Kxc6 2. Kf4 Kd5 3. Kxe3 Ke5
>                                    4. Kf3 Kf5 5. e4+ Ke5 6. Ke3 h5 (s=3)
>               12     0.82  -2.41   1. Kg5 Kxc6 2. Kf4 Kd5 3. Kxe3 Ke5
>                                    4. Kf3 Kf5 5. e4+ Ke5 6. Ke3 h5 7.
>                                    Kd3 (s=2)
>               12     0.97  -2.40   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3
>               12->   0.97  -2.40   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 (s=3)
>               13     1.08     +1   1. Kg7!!
>               13     1.30     +3   1. Kg7!!
>               13     1.38  -1.10   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke4 <HT> (s=2)
>               13->   1.54  -1.10   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke4 <HT> (s=3)
>               14     1.94     +1   1. Kg7!!
>               14     1.96  -0.90   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke5 9. Kf3 (s=2)
>               14->   2.10  -0.90   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke5 9. Kf3 (s=5)
>               15     2.44  -0.90   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke4 9. Kg4 Ke5 10. Kf3 (s=4)
>               15->   2.85  -0.90   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke4 9. Kg4 Ke5 10. Kf3
>               16     4.74     +1   1. Kg7!!
>               16     6.41  -0.40   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke4 9. Kg4 Kd5 10. Kf5 Kc5
>                                    11. Ke6
>               16->   6.64  -0.40   1. Kg7 h5 2. Kf6 h4 3. Ke5 Kxc6 4.
>                                    Kf4 Kd5 5. Kg4 Ke5 6. Kxh4 Kf4 7. Kh3
>                                    Kf5 8. Kg3 Ke4 9. Kg4 Kd5 10. Kf5 Kc5
>                                    11. Ke6
>               17    10.88  -0.29   1. Kg7 h5 2. Kf6 h4 3. Ke5 h3 4. Kd6
>                                    h2 5. c7 h1=Q 6. c8=Q Qd1+ 7. Ke6 Qxe2
>                                    8. Qd8+ Kb5 9. Qd5+ Kb4 10. Qd6+ Ka5
>                                    11. Qa3+ Kb5 12. Qxb3+ Kc5 13. Qa3+
>                                    Kc6 14. Qa4+ Kb6 15. Qd4+ Kb5 16. b4
>               17->  11.38  -0.29   1. Kg7 h5 2. Kf6 h4 3. Ke5 h3 4. Kd6
>                                    h2 5. c7 h1=Q 6. c8=Q Qd1+ 7. Ke6 Qxe2
>                                    8. Qd8+ Kb5 9. Qd5+ Kb4 10. Qd6+ Ka5
>                                    11. Qa3+ Kb5 12. Qxb3+ Kc5 13. Qa3+
>                                    Kc6 14. Qa4+ Kb6 15. Qd4+ Kb5 16. b4
>               18    15.91  -0.28   1. Kg7 h5 2. Kf6 h4 3. Ke5 h3 4. Kd6
>                                    h2 5. c7 h1=Q 6. c8=Q Qd1+ 7. Ke6 Qxe2
>                                    8. Qd8+ Kb5 9. Qd5+ Kb4 10. Qd6+ Ka4
>                                    11. Qa3+ Kb5 12. Qxb3+ Kc5 13. Qa3+
>                                    Kc6 14. Qa8+ Kb5 15. Qb7+ Ka4 16. Qa7+
>                                    Kb3 17. Qb6+ Kc2 18. b4
>               18->  16.30  -0.28   1. Kg7 h5 2. Kf6 h4 3. Ke5 h3 4. Kd6
>                                    h2 5. c7 h1=Q 6. c8=Q Qd1+ 7. Ke6 Qxe2
>                                    8. Qd8+ Kb5 9. Qd5+ Kb4 10. Qd6+ Ka4
>                                    11. Qa3+ Kb5 12. Qxb3+ Kc5 13. Qa3+
>                                    Kc6 14. Qa8+ Kb5 15. Qb7+ Ka4 16. Qa7+
>                                    Kb3 17. Qb6+ Kc2 18. b4
>               19    28.49   0.00   1. Kg7 h5 2. Kf6 h4 3. Ke5 h3 4. Kd6
>                                    h2 5. c7 h1=Q 6. c8=Q Qd1+ 7. Ke6 Qxe2
>                                    8. Qd8+ Kb5 9. Qd5+ Kb4 10. Qd6+ Ka4
>                                    11. Qd4+ Ka5 12. Qd8+ Kb4 13. Qd6+
>               19->  31.68   0.00   1. Kg7 h5 2. Kf6 h4 3. Ke5 h3 4. Kd6
>                                    h2 5. c7 h1=Q 6. c8=Q Qd1+ 7. Ke6 Qxe2
>                                    8. Qd8+ Kb5 9. Qd5+ Kb4 10. Qd6+ Ka4
>                                    11. Qd4+ Ka5 12. Qd8+ Kb4 13. Qd6+
>?              20    31.68    1/8*  1. Kg7
>White(1): ?
>              time=34.50  cpu=160%  mat=0  n=35574867  fh=90%  nps=1.03M
>              ext-> chk=4337377 cap=95607 pp=2766562 1rep=91324 mate=2566
>              predicted=1  nodes=35574867  evals=14674170  50move=0
>              endgame tablebase-> probes=632  hits=632
>              SMP->  split=4998  stop=318  data=6/128  cpu=55.46  elap=34.50
>
>White(1): Kg7
>              time used:  34.50


8/7p/1kP2K2/8/8/1p2p3/1P2P3/8 w - - 0 1

Analysis by Shredder 8:

1.c7 Kxc7
  =  (0.13)   Depth: 1/1   00:00:00
1.c7 Kxc7
  =  (0.13)   Depth: 1/2   00:00:00
1.c7 Kxc7
  -+  (-2.68)   Depth: 2/2   00:00:00
1.c7 Kxc7
  -+  (-2.68)   Depth: 2/2   00:00:00
1.Kg7 Kxc6 2.Kxh7
  ³  (-0.64)   Depth: 2/3   00:00:00
1.Kg7 Kxc6 2.Kxh7
  ³  (-0.64)   Depth: 2/3   00:00:00
1.Kg7 Kxc6 2.Kxh7
  µ  (-1.29)   Depth: 3/3   00:00:00
1.Kg7 h5 2.c7
  -+  (-3.32)   Depth: 3/4   00:00:00
1.Kg7 h5 2.c7 Kxc7
  -+  (-2.24)   Depth: 3/4   00:00:00
1.Kg7 Kxc6 2.Kxh7 Kd5
  µ  (-1.37)   Depth: 4/5   00:00:00
1.Kg7 Kxc6 2.Kxh7 Kd5
  µ  (-1.37)   Depth: 4/5   00:00:00
1.Kg7 h5 2.Kf6 Kxc6 3.Kg5
  -+  (-3.13)   Depth: 5/5   00:00:00
1.Kg7 h5 2.Kf6 Kxc6 3.Kg5
  -+  (-3.13)   Depth: 5/5   00:00:00
1.c7 h5 2.c8Q h4 3.Kg5
  -+  (-3.12)   Depth: 5/6   00:00:00
1.c7 Kxc7 2.Kf5 h5 3.Kg5
  -+  (-2.94)   Depth: 5/6   00:00:00
1.Ke5 h5 2.Kf4 Kc5 3.Kxe3 Kxc6
  µ  (-1.16)   Depth: 5/6   00:00:01
1.Ke5 h5 2.Kf4 h4 3.Kg4 Kxc6 4.Kxh4
  µ  (-1.16)   Depth: 5/7   00:00:01
1.Kg5 Kc5 2.Kf4 h6 3.Kxe3 Kxc6
  µ  (-1.08)   Depth: 5/7   00:00:01
1.Kg5 h6+ 2.Kxh6 Kxc6 3.Kg5 Kd5
  µ  (-0.94)   Depth: 5/7   00:00:01
1.Kg5 Kxc6 2.Kf4 Kd5 3.Kg5 h5 4.Kxh5
  µ  (-1.21)   Depth: 6/7   00:00:01
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Kd4
  -+  (-1.61)   Depth: 6/7   00:00:01
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Kd4 4.Kg6
  µ  (-1.39)   Depth: 7/8   00:00:01  2kN
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Kc5 4.Kg6 Kd4
  µ  (-1.19)   Depth: 8/9   00:00:02  4kN, tb=18
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Kc5 4.Kg6 Kd4 5.Kf5 Kc4
  µ  (-0.98)   Depth: 9/10   00:00:03  6kN, tb=26
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Ke4 4.Kg7 Kf5 5.Kf7 Ke4
  µ  (-0.91)   Depth: 10/12   00:00:04  9kN, tb=43
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Ke4 4.Kg7 Ke5 5.Kf7 Kd4 6.Ke6
  µ  (-0.75)   Depth: 11/12   00:00:05  12kN, tb=62
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Kd4 4.Kg6 Ke4 5.Kf6 Kf4 6.Ke6 Ke4
  ³  (-0.49)   Depth: 12/14   00:00:07  20kN, tb=95
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Kd4 4.Kg6 Ke4 5.Kf6 Kf4 6.Ke6 Ke4
  ³  (-0.49)   Depth: 12/14   00:00:07  21kN, tb=106
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kxh7 Ke4 4.Kg6 Kf4 5.Kh7 Kf5 6.Kg8 Ke4 7.Kh7 Kf4 8.Kh8
Kf5 9.Kg8 Ke4 10.Kh7 Kf4 11.Kh8 Kf5 12.Kg8 Ke4
  µ  (-0.75)   Depth: 13/15   00:00:09  24kN, tb=139
1.Kg5 Kxc6 2.Kf4 Kd5 3.Kf5 Kd6 4.Kg4 Ke5 5.Kg3 h5 6.Kh4 Kf5 7.Kxh5
  µ  (-1.25)   Depth: 13/23   00:00:09  27kN, tb=154
1.Kg5 Kxc6 2.Kf4 Kd5 3.Kf5 Kd6 4.Kg5 Ke5 5.Kh6 Kd5 6.Kg5 Ke4 7.Kh5 Kf4 8.Kh6 Kf5
9.Kxh7 Ke4 10.Kg6 Kf4 11.Kf6 Kg3 12.Kg7 Kf2 13.Kg8
  µ  (-1.33)   Depth: 13/23   00:00:14  43kN, tb=328
1.Kg5 Kxc6 2.Kf4 Kd5 3.Kf5 h6 4.Kg6 Ke4 5.Kxh6 Kf4 6.Kh7 Kg3 7.Kg7 Kf2 8.Kg8
Kxe2
  -+  (-1.44)   Depth: 14/17   00:00:17  61kN, tb=440
1.Kg5 Kxc6 2.Kh6 Kd5 3.Kg7 h5 4.Kg6 h4 5.Kg5 h3 6.Kf4 Kc5 7.Kg3 h2 8.Kxh2 Kc4
  -+  (-1.70)   Depth: 15/19   00:00:20  80kN, tb=652
1.Kg5 Kxc6 2.Kf4 Kd5 3.Kf5 h6 4.Kf4 Ke6 5.Kf3 Ke5 6.Kxe3 h5 7.Kf3 h4 8.Kf2 Kd4
9.Kf3 h3 10.Kg3 h2 11.Kg2
  -+  (-2.08)   Depth: 15/19   00:00:21  110kN, tb=781
1.c7 Kxc7 2.Ke6 Kd8 3.Kd5 Kd7 4.Kd4 h6 5.Kxe3 Ke6 6.Kf3 Ke5 7.Kg3 Kd4 8.Kf4 h5
9.e3+ Kd3 10.e4 h4 11.Kg4 Kxe4 12.Kxh4
  -+  (-2.07)   Depth: 15/21   00:00:22  118kN, tb=798
1.c7 Kxc7 2.Ke6 Kd8 3.Kd5 Kd7 4.Kd4 h5 5.Kxe3 Kd6 6.Ke4 h4 7.Kf4 Kd5 8.Kf3 Kd4
9.Kg2 Ke5 10.Kh3 Kf4 11.Kg2
  -+  (-2.07)   Depth: 15/23   00:00:23  134kN, tb=830
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke5 Qc2 8.Qg4 Qc3+
9.bxc3
  -+  (-2.06)   Depth: 15/30   00:00:24  144kN, tb=841
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke5 Qc2 8.Qg4 Qc3+
9.bxc3
  -+  (-1.71)   Depth: 15/30   00:00:25  150kN, tb=841
1.Kg7 h5 2.Kf6 h4 3.Ke5 Kxc6 4.Kf4 h3 5.Kg3 h2 6.Kxh2 Kd5 7.Kh3 Ke5 8.Kg4 Ke4
9.Kh5 Kf4 10.Kh4 Kf5 11.Kh5 Ke6 12.Kg6 Kd5 13.Kf5 Kc4 14.Ke4 Kc5 15.Kxe3
  µ  (-1.14)   Depth: 15/30   00:00:26  166kN, tb=863
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke5 Qxe2 8.Kd6 Qxb2
9.Ke7 Qa3+ 10.Qc5+ Kxc5
  µ  (-1.39)   Depth: 16/26   00:00:27  182kN, tb=947
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke5 Qxe2 8.Qb8+ Ka5
9.Qa7+ Kb4 10.Qd4+ Ka5
  -+  (-1.67)   Depth: 16/31   00:00:28  198kN, tb=987
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke5 Qxe2 8.Qd8+ Kb7
9.Qd5+ Ka7 10.Qd4+ Ka8 11.Qe4+ Ka7
  -+  (-1.42)   Depth: 17/34   00:00:30  244kN, tb=1349
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qg2 7.Qe6 Qh2+ 8.Kd7+ Kc5
9.Qxb3 Qd6+ 10.Ke8 Qe5+ 11.Kd7 Qf5+ 12.Kd8 Qf8+ 13.Kd7 Qg7+ 14.Kd8 Qd4+ 15.Ke7
  µ  (-0.92)   Depth: 17/34   00:00:31  298kN, tb=1483
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke6 Qxe2 8.Qd8+ Ka6
9.Qd6+ Kb5 10.Qd5+ Ka6 11.Qc6+ Ka7 12.Qc7+ Ka6 13.Qc6+ Ka7 14.Qc7+ Ka6 15.Qc6+
  ³  (-0.50)   Depth: 17/38   00:00:34  417kN, tb=1884
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke6 Qxe2 8.Qd8+ Ka6
9.Qd6+ Kb5 10.Qd5+ Ka4 11.Qc6+ Kb4 12.Qc3+ Kb5 13.Qxb3+ Kc5 14.Qa3+ Kc6 15.Qd6+
  ³  (-0.50)   Depth: 18/37   00:00:38  517kN, tb=2510
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke6 Qc2 8.Qd8+ Kb5
9.Qd7+ Ka6 10.Qd6+ Kb5 11.Qe5+ Kc4 12.Qf4+ Qe4+ 13.Qxe4+ Kb5 14.Qxe3
  =  (-0.25)   Depth: 19/40   00:00:44  778kN, tb=3823
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qd1+ 7.Ke6 Qxe2 8.Qd8+ Kb5
9.Qd5+ Ka4 10.Qa8+ Kb4 11.Qa3+ Kb5 12.Qxb3+ Kc5 13.Qa3+ Kd4 14.Qd6+ Ke4 15.Qd5+
  =  (-0.23)   Depth: 19/40   00:00:46  1089kN, tb=4509
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qb5+ Kd6 12.Qxb3 Qxe2+ 13.Qd3+
  =  (-0.01)   Depth: 20/42   00:01:01  2104kN, tb=8078
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 21/43   00:01:13  3287kN, tb=12029
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 22/46   00:01:22  4072kN, tb=14905
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 23/47   00:01:33  5619kN, tb=18555
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 24/50   00:01:48  8100kN, tb=23321
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 25/52   00:02:09  13824kN, tb=29435
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 26/54   00:02:50  25062kN, tb=37506
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 27/55   00:04:04  44904kN, tb=46972
1.Kg7 h5 2.Kf6 h4 3.Ke5 h3 4.Kd6 h2 5.c7 h1Q 6.c8Q Qh2+ 7.Kd5 Qg2+ 8.Kd4 Qg7+
9.Kc4 Qxb2 10.Qb8+ Kc6 11.Qc8+ Kb6 12.Qb8+ Kc6 13.Qc8+ Kb6 14.Qb8+
  =  (0.05)   Depth: 28/57   00:06:44  82040kN, tb=56893

(Yergin, MyTown 14.11.2004)

Shredder is fast for sure...
Looks like it also is keeping track of TableBase Positions searched.
Interesting.




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