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Subject: Re: Hard endgame position

Author: Ernst Walet

Date: 22:39:27 03/01/00

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On March 01, 2000 at 01:37:17, Janos Keinrath wrote:

>Hi!
>
>Yesterday I saw an intresting endgame position on ICC.
>
>[D]8/8/6k1/3p4/3P4/2P2PKp/pB4b1/8 b - -
>
>This is the final position of a blitz game played by Amateur
>with black. The game ended with rep. draw, but I feel black somehow
>can win. Could you check the position? What is the winning plan?
>
>Janos

And Fritz6a´s idea about the position.  It insists on playing Kf6.

1...Kf6 2.Ba1 Kf5 3.f4 Ke4 4.Kg4
  -+  (-2.66)   Depth: 6/10   00:00:00  1kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kd6 5.Kf4
  -+  (-2.34)   Depth: 8/13   00:00:00  5kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kf6 5.f4 Kf5
  -+  (-2.44)   Depth: 9/14   00:00:00  10kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kf6 5.f4 Kf5
  -+  (-2.44)   Depth: 9/14   00:00:00  10kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kf6 5.f4 Kf5
  -+  (-2.44)   Depth: 9/14   00:00:00  10kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Kf6 5.f4 Kf5
  -+  (-2.53)   Depth: 10/14   00:00:00  18kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Ke6 4.Ba1 Bf1 5.f4 Kf5
  -+  (-2.38)   Depth: 11/15   00:00:00  35kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Ke6 6.f4
  -+  (-2.44)   Depth: 12/17   00:00:00  68kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kg5 6.Kg3
  -+  (-2.44)   Depth: 13/18   00:00:00  119kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kg5 6.Kg3
  -+  (-2.44)   Depth: 14/23   00:00:00  234kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kg5 6.Kg3
  -+  (-2.41)   Depth: 15/23   00:00:01  425kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6
  -+  (-2.41)   Depth: 16/26   00:00:02  765kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kg6 6.Kg3
  -+  (-2.38)   Depth: 17/28   00:00:04  1327kN
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Ke7 6.Kg3
  -+  (-2.38)   Depth: 18/30   00:00:07  2619kN, tb=9
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Ke7 6.Kg3
  -+  (-2.38)   Depth: 19/33   00:00:13  4571kN, tb=30
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kg6 6.Kg1
  -+  (-2.38)   Depth: 20/34   00:00:26  9547kN, tb=82
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Bb2 Ke6 6.Ba1
  -+  (-2.34)   Depth: 21/36   00:00:51  18647kN, tb=220
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Ke7 6.Kh1
  -+  (-2.34)   Depth: 22/41   00:02:02  45343kN, tb=587
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Bb2 Kg6 6.Ba1
  -+  (-2.34)   Depth: 23/43   00:04:49  107118kN, tb=1756
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Bb2 Kg6 6.Kh2
  -+  (-2.44)   Depth: 24/47   00:13:21  300692kN, tb=7848
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kf7 6.Kg3
  -+  (-2.31)   Depth: 25/48   00:37:58  857795kN, tb=59363
1...Kf6 2.Ba1 Kf5 3.Bb2 Bf1 4.Ba1 Kf6 5.Kh2 Kg6 6.Kg3
  -+  (-2.38)   Depth: 26/48   01:36:59  2186736kN, tb=112597
1...Kf6 2.Kf2 Kg5 3.Kg3 Bf1 4.Ba1 Kg6 5.Bb2 Kf5
  -+  (-2.31)   Depth: 27/53   06:34:45  8945498kN, tb=605813

Ernst.




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