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Subject: Re: Simple Endgame for programs without TBs ??

Author: Roland Pfister

Date: 00:31:34 11/22/00

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On November 21, 2000 at 21:10:35, Eduard Nemeth wrote:

>
>here a new simple position:
>It was a analysis from a game, and analysis was by GM Krasenkow !
>
>[D]8/8/1ppk4/p4P2/4K3/8/PP6/8 w - - 0 1
>
>Only winning move is 1.a4 ! GM Krasenkow.
>
>Eduard

Patzer without TBs on a K6 450 needs 31 secs :


Neue Stellung
8/8/1ppk4/p4P2/4K3/8/PP6/8 w - - 0 1

Analysis by Patzer 3.11a:

...
1.a4 b5 2.axb5 cxb5 3.Kf4 a4 4.Kg5 Ke5 5.Kg6
  ±  (0.95)   Tiefe: 8   00:00:00  58kN
1.a4 Kd7 2.Kf4 Ke8 3.Ke5
  ±  (1.07)   Tiefe: 9   00:00:01  112kN
1.a4 Ke7 2.Ke5 b5 3.axb5 cxb5 4.f6+ Kf7 5.Kf5 a4 6.Ke5
  ±  (0.95)   Tiefe: 10   00:00:02  251kN
1.Kd4 a4 2.b3 a3 3.b4 Ke7 4.Ke5
  ±  (1.00)   Tiefe: 10   00:00:02  377kN
1.b3 b5 2.f6
  ±  (1.40)   Tiefe: 10   00:00:04  554kN
1.b3 b5 2.f6 Ke6 3.Kd4 Kd6 4.f7 c5+ 5.Ke4
  ±  (1.40)   Tiefe: 11   00:00:05  710kN
1.b3 Kd7 2.Ke5 Ke7 3.f6+ Kd7
  ±  (1.26)   Tiefe: 12   00:00:09  1336kN
1.b3 b5 2.f6 Ke6 3.Kd4 Kd6 4.f7 c5+
  ±  (1.40)   Tiefe: 13   00:00:17  2570kN
1.a4
  +-  (1.60)   Tiefe: 13   00:00:18  2678kN
1.Kf4
  +-  (1.62)   Tiefe: 13   00:00:24  3444kN
1.Kf4 Ke7 2.Ke5 a4 3.f6+ Kd7 4.Kf5 Ke8 5.Ke6 c5 6.Kd6 a3 7.b3
  +-  (1.70)   Tiefe: 13   00:00:27  3888kN
1.a4 b5 2.axb5 cxb5 3.f6 Ke6 4.Kd4 Kd6 5.f7 Ke7 6.Kc5 b4 7.Kb5 Kf8 8.b3
  +-  (2.93)   Tiefe: 13   00:00:31  4438kN
1.a4 Kd7 2.Ke5 Ke7 3.f6+ Kd7 4.f7 Ke7
  +-  (3.65)   Tiefe: 14   00:00:46  6609kN
1.a4
  +-  (4.00)   Tiefe: 15   00:00:59  8508kN
1.a4 Kd7 2.Ke5 Ke7 3.f6+ Kd7 4.f7 Ke7 5.f8D+ Kxf8 6.Kd6 c5 7.Kc6 Ke7 8.Kxb6
  +-  (4.67)   Tiefe: 16   00:01:41  14057kN
1.a4
  +-  (5.01)   Tiefe: 17   00:02:55  24125kN

Roland



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