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Subject: Re: Test Position, Rook and Pawn Ending, Yace- P.ConNerS (0-1)

Author: Mogens Larsen

Date: 04:37:24 02/23/01

Go up one level in this thread

On February 23, 2001 at 01:56:13, Ferdinand S. Mosca wrote:

>
>Yace 0.99.08 - P.ConNerS (0-1)
>IPCC-2001, Paderborn (2), 21.02.2001
>
>[D]8/4k1p1/5p2/KP6/P7/4r2p/3R4/8 w - - 0 1
>
>Probably the point where Yace could have drawn the game.
>Black's last move is 41...h3 and Yace responded with 42. b6?!
>
>Is there any program that considers 42.Rb2?

This is what Gandalf thinks. About the same result as Xinix I think.

Analysis by Gandalf 4.32g:

1.b6 Rb3
  µ  (-1.29)   Depth: 2   00:00:01
1.Rh2
  µ  (-1.27)   Depth: 2   00:00:01
1.Rh2 g5
  µ  (-1.26)   Depth: 2   00:00:01
1.Rh2 g5 2.Kb6
  µ  (-0.96)   Depth: 3   00:00:01
1.Rh2 g5 2.b6 g4
  -+  (-2.83)   Depth: 4   00:00:01
1.b6
  -+  (-2.81)   Depth: 4   00:00:01
1.b6 Rb3 2.Ka6 g5
  µ  (-1.32)   Depth: 4   00:00:01
1.Ka6
  µ  (-1.31)   Depth: 4   00:00:01
1.b6 g5 2.b7 Rb3 3.Re2+ Kd6 4.Ka6
  µ  (-1.34)   Depth: 5   00:00:01  6kN
1.b6
  µ  (-0.95)   Depth: 6   00:00:01  21kN
1.b6 Rb3 2.Ka6 g5 3.a5 g4
  ³  (-0.64)   Depth: 6   00:00:01  21kN
1.b6 Rb3 2.Ka6 g5 3.Re2+ Kd6 4.Rd2+ Kc6 5.a5
  µ  (-1.07)   Depth: 7   00:00:01  61kN
1.b6 Rb3 2.Ka6 g5 3.Re2+ Kd6 4.Rd2+ Kc6 5.Rc2+ Kd5
  µ  (-0.94)   Depth: 8   00:00:01  135kN
1.b6 Rb3 2.Ka6 g5 3.a5 g4 4.Kb7 g3 5.a6
  µ  (-1.36)   Depth: 9   00:00:02  372kN
1.Rb2
  µ  (-1.34)   Depth: 9   00:00:03  372kN
1.Rb2 Re5 2.Ka6 Rh5 3.Rb1 h2 4.Re1+ Kd6 5.Rh1 g5
  µ  (-1.29)   Depth: 9   00:00:05  372kN
1.Rb2 Re5 2.Ka6 Rh5 3.Re2+ Kd6 4.b6 g5 5.Rd2+ Kc6
  µ  (-1.07)   Depth: 10   00:00:08  1574kN
1.b6
  µ  (-1.05)   Depth: 10   00:00:09  1574kN
1.b6 Rb3 2.Ka6 g5 3.a5 g4 4.Ka7 g3 5.a6 Rxb6
  µ  (-0.81)   Depth: 10   00:00:10  1574kN
1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rh2 Rb4 5.Ka7 Rxa4+
  µ  (-1.18)   Depth: 11   00:00:15  3309kN
1.Rb2
  µ  (-1.16)   Depth: 11   00:00:18  3309kN
1.b6 Rb3 2.Ka6 g5 3.b7 g4 4.Rh2 Rb4 5.Ka7 Rxa4+
  µ  (-1.18)   Depth: 12   00:00:53  10351kN
1.Rb2
  µ  (-1.16)   Depth: 12   00:01:03  10351kN
1.b6
  µ  (-0.81)   Depth: 13   00:02:12  24536kN
1.b6 Rb3 2.Rh2 g5 3.Ka6 g4 4.b7 Kd6 5.Ka7 Kc7
  =  (0.00)   Depth: 13   00:03:50  24536kN
1.b6 Rb3 2.Rh2 g5 3.Ka6 g4 4.b7 Kd6 5.Ka7 Kc7
  =  (0.00)   Depth: 14   00:07:47  76840kN

Regards,
Mogens

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