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Subject: Re: Interesting KRP to KP game, for your program

Author: James T. Walker

Date: 16:12:14 06/12/02

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On June 12, 2002 at 18:20:38, Ferdinand S. Mosca wrote:

>On June 12, 2002 at 18:13:46, James T. Walker wrote:
>
>>On June 12, 2002 at 17:25:06, Gian-Carlo Pascutto wrote:
>>
>>>On June 12, 2002 at 16:46:50, Ferdinand S. Mosca wrote:
>>>
>>>>From initial test of some free engines only Yace can do 51. Rxg7.
>>>
>>>Here, it switches away again after a while.
>>>
>>>My search goes bonkers after playing it out.
>>>
>>>--
>>>GCP
>>
>>Hiarcs 8 takes 9:46 to play Rxg7.  (Depth 19/54) Athlon 1400Mhz/128M hash.  More
>>hash would probably be faster.
>>Jim
>
>Will you post the move analysis?


New game
6R1/1p1r2p1/p3k1Pp/P2pP2K/2pP4/2P5/1P6/8 w - - 0 1

Analysis by Hiarcs 8:

1.Re8+ Kf5 2.Rf8+ Ke6
  ý  (0.56)   Depth: 1   00:00:00
1.Re8+ Kf5 2.e6
  ý  (0.57)   Depth: 2/5   00:00:00
1.Re8+ Kf5 2.e6 Rd6
  ý  (0.66)   Depth: 3/9   00:00:00
1.Re8+ Kf5 2.Rf8+ Ke6 3.Kg4 Re7
  ý  (0.53)   Depth: 4/12   00:00:00
1.Re8+ Kf5 2.Rf8+ Ke6 3.Kg4 Re7 4.Kf4
  ý  (0.45)   Depth: 5/12   00:00:00  1kN
1.Kg4 Rc7 2.Rd8 Rc6 3.Rb8 Rc7 4.Re8+ Kd7
  ý  (0.66)   Depth: 5/12   00:00:00  1kN
1.Kg4 Rc7 2.Rd8 Rc6 3.Rb8 Rc7 4.Re8+ Kd7
  ý  (0.66)   Depth: 6/12   00:00:00  2kN
1.Kg4 Rc7 2.Rd8 Rc6 3.Rb8 Rc7 4.Re8+
  ý  (0.66)   Depth: 7/16   00:00:00  4kN
1.Kg4 Re7 2.Rf8 Rd7 3.Rc8 Re7 4.Rh8 Rc7
  ý  (0.66)   Depth: 8/18   00:00:00  12kN
1.Kg4 Re7 2.Rf8 Rd7 3.Rc8 Re7 4.Rh8 Rc7
  ý  (0.66)   Depth: 9/18   00:00:00  20kN
1.Kg4 Re7 2.Rf8 Rd7 3.Rc8 Re7 4.Rd8 Rd7
  ý  (0.66)   Depth: 10/23   00:00:00  37kN
1.Kg4 Re7 2.Rd8 Rd7 3.Re8+ Re7 4.Rb8 Rd7 5.Rg8
  ý  (0.66)   Depth: 11/24   00:00:01  85kN
1.Kg4 Re7 2.Rd8 Rd7 3.Re8+ Re7 4.Rb8 Rd7 5.Rh8 Re7 6.Rg8
  ý  (0.66)   Depth: 12/29   00:00:01  141kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Rf8
  ý  (0.66)   Depth: 13/30   00:00:02  266kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Rf8 Rd7
  ý  (0.66)   Depth: 14/34   00:00:04  637kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Rd8 Rd7 5.Rb8
  ý  (0.66)   Depth: 15/35   00:00:07  1274kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Rh8 Re7 5.Rd8 Rd7
  ý  (0.66)   Depth: 16/44   00:00:13  2778kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Rh8 Re7 5.Kh4 Rc7 6.Kh5 Rd7 7.Rg8
  ý  (0.66)   Depth: 17/45   00:00:26  5709kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Rh8 Re7 5.Ra8 Rc7 6.Rh8 Re7
  ý  (0.66)   Depth: 18/49   00:00:58  12687kN
1.Kg4 Re7 2.Rd8 Rd7 3.Rb8 Rc7 4.Re8+ Kd7 5.Rf8 Ke6 6.Rb8 Re7 7.Rd8 Rd7
  ý  (0.66)   Depth: 19/50   00:02:17  30523kN, tb=2
1.Rxg7 Rxg7
  ñ  (0.91)   Depth: 19/54   00:09:46  134433kN, tb=6184
1.Rxg7 Rxg7 2.Kxh6 Rg8 3.Kh7 Re8 4.g7 Kf7 5.e6+ Kxe6 6.g8Q+ Rxg8 7.Kxg8 Kf6
8.Kf8 Ke6 9.Ke8 Kd6 10.Kd8 b5 11.axb6 Kc6 12.Ke7 a5 13.Ke6
  ñ  (1.34)   Depth: 19/54   00:12:03  168236kN, tb=8925
1.Rxg7 Rxg7
  ñ  (1.09)   Depth: 20/54   00:12:10  169741kN, tb=8937

>
>Dinan



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