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Subject: Re: Endgame position - how long to see the draw

Author: Slater Wold

Date: 16:16:08 04/05/04

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On April 05, 2004 at 18:22:52, Kim Roper Jensen wrote:

>
>[D] 8/5p2/p4kpp/1p6/1P4P1/P3P2P/5K2/8 w - - 0 1
>
>White to move and draw with e4!

end-game phase
              clearing hash tables
              time surplus   0.00  time limit 1666:39 (1666:39)
              depth   time  score   variation (1)
               12     0.07  -0.25   1. e4 Ke5 2. Kf3 Kd4 3. Kf4 Kc3 4.
                                    e5 Kb2 5. g5 h5 6. Ke4 Kxa3
               12->   0.08  -0.25   1. e4 Ke5 2. Kf3 Kd4 3. Kf4 Kc3 4.
                                    e5 Kb2 5. g5 h5 6. Ke4 Kxa3
               13     0.13  -0.43   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. e5 fxe5+ 7. Kxe5
                                    Kxh3 8. Kf5
               13->   0.18  -0.43   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. e5 fxe5+ 7. Kxe5
                                    Kxh3 8. Kf5
               14     0.24  -0.63   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. e5 fxe5+ 7. Kxe5
                                    Kxh3 8. Kf5 Kg3
               14->   0.33  -0.63   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. e5 fxe5+ 7. Kxe5
                                    Kxh3 8. Kf5 Kg3
               15     0.40     --   1. e4
               15     0.68  -1.85   1. e4 Ke5 2. Ke3 g5 3. Kd3 Kf4 4. e5
                                    Kxe5 5. Ke3 f6 6. Kf3 f5 7. Ke3 f4+
                                    8. Kf3 Kd4
               15     1.32  -1.00   1. Kg3 Ke5 2. Kf3 f5 3. gxf5 Kxf5 4.
                                    e4+ Ke5 5. h4 Kd4 6. Kf4 g5+ 7. hxg5
                                    hxg5+ 8. Kf5 g4 9. e5 g3 10. e6
               15->   1.57  -1.00   1. Kg3 Ke5 2. Kf3 f5 3. gxf5 Kxf5 4.
                                    e4+ Ke5 5. h4 Kd4 6. Kf4 g5+ 7. hxg5
                                    hxg5+ 8. Kf5 g4 9. e5 g3 10. e6
               16     2.21  -1.07   1. Kg3 Ke5 2. Kf3 Kd5 3. Kf4 Kc4 4.
                                    Ke5 Kb3 5. Kd6 Kxa3 6. Kc5 Kb2 7. e4
                                    Kc3 8. e5 Kd3
               16->   2.66  -1.07   1. Kg3 Ke5 2. Kf3 Kd5 3. Kf4 Kc4 4.
                                    Ke5 Kb3 5. Kd6 Kxa3 6. Kc5 Kb2 7. e4
                                    Kc3 8. e5 Kd3
               17     3.69  -1.34   1. Kg3 Ke5 2. Kf3 Kd5 3. h4 Kc4 4.
                                    Ke4 Kb3 5. Kd4 Kxa3 6. Kc5 Ka4 7. h5
                                    a5 8. hxg6 fxg6 9. bxa5 Kxa5 10. e4
               17->   5.74  -1.34   1. Kg3 Ke5 2. Kf3 Kd5 3. h4 Kc4 4.
                                    Ke4 Kb3 5. Kd4 Kxa3 6. Kc5 Ka4 7. h5
                                    a5 8. hxg6 fxg6 9. bxa5 Kxa5 10. e4
               18     7.71  -1.49   1. Kg3 Ke5 2. Kf3 Kd5 3. h4 Kc4 4.
                                    Ke4 Kb3 5. Kd4 Kxa3 6. Kc5 Ka4 7. h5
                                    gxh5 8. gxh5 a5 9. bxa5 Kxa5 10. Kd5
                                    b4
               18    11.54  -1.28   1. Ke2 Kg5 2. Kf3 h5 3. gxh5 Kxh5 4.
                                    Kg3 g5 5. Kf3 Kh4 6. Kg2 f5 7. Kh2
                                    g4 8. hxg4 fxg4 9. e4 g3+ 10. Kg2 Kg4
                                    11. e5
               18->  12.65  -1.28   1. Ke2 Kg5 2. Kf3 h5 3. gxh5 Kxh5 4.
                                    Kg3 g5 5. Kf3 Kh4 6. Kg2 f5 7. Kh2
                                    g4 8. hxg4 fxg4 9. e4 g3+ 10. Kg2 Kg4
                                    11. e5
               19    16.49  -1.58   1. Ke2 Kg5 2. Kf3 h5 3. gxh5 Kxh5 4.
                                    Kg3 g5 5. Kf3 Kh4 6. Kg2 f5 7. Kh2
                                    g4 8. hxg4 fxg4 9. e4 g3+ 10. Kg2 Kg4
                                    11. e5 Kf5
               19->  28.90  -1.58   1. Ke2 Kg5 2. Kf3 h5 3. gxh5 Kxh5 4.
                                    Kg3 g5 5. Kf3 Kh4 6. Kg2 f5 7. Kh2
                                    g4 8. hxg4 fxg4 9. e4 g3+ 10. Kg2 Kg4
                                    11. e5 Kf5
               20    35.96  -1.64   1. Ke2 Kg5 2. Kf3 Kh4 3. Kg2 h5 4.
                                    gxh5 Kxh5 5. Kf2 Kh4 6. Kg2 f6 7. Kh2
                                    g5 8. Kg2 f5 <HT>
               20->   1:02  -1.64   1. Ke2 Kg5 2. Kf3 Kh4 3. Kg2 h5 4.
                                    gxh5 Kxh5 5. Kf2 Kh4 6. Kg2 f6 7. Kh2
                                    g5 8. Kg2 f5 <HT>
               21     1:21  -1.67   1. Ke2 Ke5 2. Kd3 Kd5 3. h4 f5 4. gxf5
                                    gxf5 5. h5 Ke5 6. Ke2 Kf6 7. Kf2 Kg5
                                    8. Kg3 Kxh5 9. Kf4 Kg6 10. e4 fxe4
                                    11. Kxe4 h5 12. Ke5
               21     1:48  -1.38   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kf4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. e8=Q g1=Q
               21->   1:56  -1.38   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kf4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. e8=Q g1=Q
               22     2:37  -1.30   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kf4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. Ke6 Ke3 13. e8=Q g1=Q
               22->   3:03  -1.30   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kf4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. Ke6 Ke3 13. e8=Q g1=Q
               23     4:31  -1.20   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kf4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. e8=Q g1=Q 13. Ke6
               23->   5:23  -1.20   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kf4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. e8=Q g1=Q 13. Ke6
               24     8:25     ++   1. e4!!
               24     9:28  -0.80   1. e4 Ke5 2. Kf3 g5 3. Ke3 f6 4. Kd3
                                    Kf4 5. Kd4 Kg3 6. Kd5 Kxh3 7. Ke6 Kxg4
                                    8. Kxf6 Kh4 9. e5 g4 10. e6 g3 11.
                                    e7 g2 12. e8=Q g1=Q 13. Qe4+ Qg4 14.
                                    Qh1+ Qh3
?              24     9:46   3/11*  1. a4
White(1): ?
              time=9:49  cpu=85%  mat=0  n=1184099864  fh=88%  nps=2.01M
              ext-> chk=76968443 cap=3853546 pp=13514474 1rep=2256732 mate=73688

              predicted=0  nodes=1184099864  evals=498493605  50move=0
              endgame tablebase-> probes=1853912  hits=144077
              hashing-> 41%(raw) 40%(depth)  99%(sat)  99%(pawn)
              hashing-> 0%(exact)  32%(lower)  3%(upper)



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