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Subject: Re: Pawn ending === M.Dukic/Hemmo Axt,1985 [test position]

Author: Ernst Walet

Date: 22:42:26 05/21/02

Go up one level in this thread


On May 21, 2002 at 08:57:25, José Antônio Fabiano Mendes wrote:

>       M.Dukic/Hemmo Axt,1985 [test position]
>       [D]8/6pk/3K4/8/8/1p1P4/1P6/8 w
>       1. Kc6!! g5 2. Kd5! Kg7 3. Ke5 Kg6 4. d4 Kh5 5. d5! and wins.

I let Hiarcs8 run overnight on this position.  It did not find more than a draw.

Ernst.

New game
8/6pk/3K4/8/8/1p1P4/1P6/8 w - - 0 1

Analysis by Hiarcs 8:

1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kf5
  ²  (0.68)   Depth: 5/8   00:00:00
1.Ke5 Kg6 2.d4 Kf7 3.Kd6 Kf6
  ±  (0.75)   Depth: 6/9   00:00:00  2kN
1.d4 g5
  +-  (3.20)   Depth: 6/9   00:00:00  2kN
1.d4 g5 2.Ke5 Kg6 3.d5
  +-  (3.55)   Depth: 6/9   00:00:00  2kN
1.d4 g5
  +-  (2.90)   Depth: 7/10   00:00:00  3kN
1.d4 g5 2.Ke5 Kg6 3.d5 Kf7 4.Kf5 Ke7 5.Kxg5
  +-  (2.18)   Depth: 7/14   00:00:00  4kN
1.d4 g5 2.Ke5 Kh6 3.d5 Kg6 4.d6 Kf7 5.Kf5
  +-  (1.99)   Depth: 8/15   00:00:00  9kN, tb=4
1.d4 g5
  +-  (1.74)   Depth: 9/16   00:00:00  17kN, tb=7
1.d4 g5 2.Ke5 Kh6 3.d5 g4 4.Kf4 Kh5
  +-  (1.48)   Depth: 9/20   00:00:00  32kN, tb=16
1.d4 g5
  ±  (1.23)   Depth: 10/20   00:00:00  49kN, tb=70
1.d4 g5 2.Ke5 Kg6 3.d5 Kf7 4.Kf5 Ke7 5.Kxg5 Kd6 6.Kf4 Kxd5
  =  (0.08)   Depth: 10/22   00:00:00  66kN, tb=91
1.Ke5 Kg8 2.Ke6 Kf8 3.d4 Ke8 4.Kf5 Kd7 5.Kg6
  ²  (0.37)   Depth: 10/22   00:00:00  73kN, tb=105
1.Ke6 Kg8 2.d4 Kf8 3.Kd6 g5 4.Ke5 Ke7 5.Kf5
  ±  (1.21)   Depth: 10/22   00:00:00  83kN, tb=150
1.Ke6 Kg8
  ±  (0.95)   Depth: 11/22   00:00:01  91kN, tb=172
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kg7 8.Qf8+ Kh7 9.Qf7+
Qg7 10.Qxg7+ Kxg7
  ²  (0.68)   Depth: 11/22   00:00:01  99kN, tb=212
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kg7 8.Qf8+ Kh7 9.Qf7+
Qg7 10.Qxg7+ Kxg7
  ²  (0.68)   Depth: 12/22   00:00:01  129kN, tb=337
1.Kd5 g5 2.Ke5 Kh6 3.Kf5 Kh5
  ±  (0.80)   Depth: 12/23   00:00:02  172kN, tb=602
1.Kd5 g5
  ²  (0.55)   Depth: 13/24   00:00:02  197kN, tb=797
1.Kd5 g5 2.Ke5 Kh6 3.Kf5 Kh5 4.d4 g4 5.Kf4 Kh4
  ²  (0.42)   Depth: 13/25   00:00:02  225kN, tb=961
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kg7 9.Qxb3
Qc5+ 10.Ke6
  ²  (0.66)   Depth: 13/25   00:00:02  241kN, tb=1021
1.Ke6 Kg8 2.d4 Kf8 3.Kd6 g5 4.Kc7 Kf7 5.d5 g4 6.d6 g3 7.d7 g2 8.d8Q g1Q 9.Qd5+
Kf6 10.Qxb3
  ²  (0.44)   Depth: 14/28   00:00:03  317kN, tb=1423
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd7 Qg3 9.Qf5+
Kh6 10.Ke6
  ²  (0.42)   Depth: 15/32   00:00:06  575kN, tb=2953
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qf6 Qc5+ 11.Ke6 Qc2 12.Kd6
  ²  (0.51)   Depth: 16/34   00:00:11  926kN, tb=5271
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qf6 Qc5+ 11.Ke6 Qc2 12.Kd6 Qd2+ 13.Kc5
  ²  (0.51)   Depth: 17/37   00:00:17  1405kN, tb=8758
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qf6 Qc5+
  ²  (0.48)   Depth: 18/39   00:00:33  2923kN, tb=21653
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qf6 Qc5+ 11.Ke6 Qc6+ 12.Ke5 Qc5+ 13.Ke4 Qc4+ 14.Ke3 Qc2 15.Kf3 Qd3+
16.Kf4
  ²  (0.47)   Depth: 19/42   00:01:04  6530kN, tb=49671
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qf6 Qc5+
  ²  (0.47)   Depth: 20/44   00:01:44  11575kN, tb=102148
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qf6 Qc5+
  ²  (0.45)   Depth: 21/45   00:02:42  20492kN, tb=190571
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kg7 9.Qc3+
Kh7 10.Qe5 Qf2
  ²  (0.34)   Depth: 22/47   00:04:44  43301kN, tb=413624
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kg7 9.Qc3+
Kh7 10.Qe5 Qg6 11.Qf6 Qc2 12.Kd6 Kg8 13.Qe6+ Kg7 14.Qe7+ Kg6 15.Qe5 Kf7
  ²  (0.32)   Depth: 23/50   00:06:51  67549kN, tb=641867
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kg7 9.Qc3+
Kh7 10.Qe5 Qg6 11.Kd7 Qc2 12.Kd6 Kh6 13.Kd5 Kg6 14.Kd6
  ²  (0.32)   Depth: 24/51   00:09:33  98765kN, tb=1014096
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kg7 9.Qc3+
Kh7 10.Qe5 Qg2 11.Qh5+ Kg7 12.Qf7+ Kh8 13.Qf6+ Kh7 14.Qd4
  ²  (0.32)   Depth: 25/59   00:14:32  160444kN, tb=1628991
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kg7 10.Qe5+ Kg6 11.Qe6+ Kh7 12.Ke8
  =  (0.20)   Depth: 26/59   00:22:12  257781kN, tb=2424676
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qe5 Qg6 11.Kd7 Qc2 12.Kd6 Kh6 13.Ke7 Kg6 14.Kd7
  =  (0.20)   Depth: 27/61   00:45:07  564759kN, tb=4673201
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kh6 9.Qd6+
Kh7 10.Qe5 Qf2
  =  (0.13)   Depth: 28/62   01:04:07  823046kN, tb=6237525
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 g1Q 7.d8Q+ Kh7 8.Qd3+ Kg7 9.Qc3+
Kh7 10.Qe5 Qa7+
  =  (0.08)   Depth: 29/62   01:23:53  1090344kN, tb=7818770
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qf8+ Kh7 9.Qf7+
Kh8 10.Qh5+ Kg7 11.Qe5+ Kg8 12.Kd7 Qa7+ 13.Kc6 Qa6+ 14.Kc7 Qa7+ 15.Kd6 Qb6+
16.Kd5
  =  (0.01)   Depth: 30/62   02:08:26  1688657kN, tb=11750194
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qf8+ Kh7 9.Qf7+
Kh8 10.Qh5+ Kg7 11.Qe5+ Kg8
  =  (0.01)   Depth: 31/62   02:24:21  1894217kN, tb=13223942
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qf8+ Kh7 9.Qf7+
Kh8 10.Qh5+ Kg7 11.Qe5+ Kg8
  =  (0.01)   Depth: 32/62   02:42:50  2132280kN, tb=14869848
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qd2 Qc5+ 9.Kd7
Qf5+ 10.Kd6 Qg6+ 11.Kd5 Qc2 12.Qd4+ Kf8 13.Kd6 Qg6+
  =  (0.01)   Depth: 33/62   03:26:52  4293386073kN, tb=18838040
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qc7 Qe3+ 9.Kd6+
Kf6 10.Qd8+ Kf5 11.Qc8+ Kf4 12.Qh8 Qb6+ 13.Kd5 Qb5+ 14.Kd4 Qb4+ 15.Kd3 Qe4+
16.Kc3
  =  (0.01)   Depth: 34/62   04:41:21  4294376989kN, tb=25023174
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qc7 Qe1+ 9.Kd8+
Kg6 10.Qb6+ Kf5 11.Qxb3
  =  (0.01)   Depth: 35/62   06:05:37  513728kN, tb=30634334
1.Ke6 Kg8 2.Ke7 g5 3.d4 g4 4.d5 g3 5.d6 g2 6.d7 Kg7 7.d8Q g1Q 8.Qc7 Qe3+ 9.Kd6+
Kg6 10.Qc6 Kf6 11.Kd5+ Kg7 12.Qb7+ Kg6 13.Kc4 Qe6+ 14.Kc3 Qe5+ 15.Kxb3
  =  (0.01)   Depth: 36/62   07:49:31  1889127kN, tb=36313052

(Celeron 1200MHz, 512MB hash, 3, 4 and 5 piece EGTB's 22.05.2002)



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