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Subject: Re: THE most DIFICULT ENDGAME , i dont Believe it !!! , No for programs !!

Author: Jeremiah Penery

Date: 11:38:19 04/29/99

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On April 29, 1999 at 14:26:57, blass uri wrote:
>
>On April 29, 1999 at 13:20:01, jose hernandez wrote:
>
>>
>>White = Na4, Rb7, Kg1.
>>pawns = a2, b2, g2, h2,
>>
>>
>>Black = Bb6, Rd2, Kh7.
>>pawns = a7, c5, c4, g7.
>>
>>Black move in this position.
>>
>>This move is incredible, i dont believe it.   Fritz532, Junior5, Hiarcs7,
>>Hiarcs6, Crafty, Rebel10, Genius6, Chess tiger, and other programs cant do it !.
>
>FEN
>
>8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - - 0 1
>
>It is not truth that crafty cannot solve it.
>It can solve it at tournament time control and find Rxb2.

My version (modified 16.6) finds it instantly:

  5     0.38     ++   1. ... Rxb2!!
  5     0.39   0.11   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 axb6
                      4. Nd3
  5->   0.40   0.11   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 axb6
                      4. Nd3
<snip>
 11     7.63   0.37   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 axb6
                      4. Nd3 c2 5. a4 Kg8 6. Kf2 g5 7. Ke3
                      g4
 11->  17.34   0.37   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 axb6
                      4. Nd3 c2 5. a4 Kg8 6. Kf2 g5 7. Ke3
                      g4
 12    39.58     ++   1. ... Rxb2!!
 12     2:09   1.38   1. ... Rxb2 2. Nxb2 c3 3. Rxb6 c4 4.
                      Rb4 a5 5. Rb5 c2 6. Rh5+ Kg8 7. Rd5
                      c1=Q+ 8. Nd1 Qf4 9. Nc3

Jeremiah



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