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Subject: Re: position

Author: Gian-Carlo Pascutto

Date: 23:46:25 11/05/02

Go up one level in this thread


On November 05, 2002 at 00:39:31, Will Singleton wrote:

>White to play, bm is d7.  How long until your engine shows a positive score?
>(amd 1.6ghz).
>
>Amateur  ply 15  score 33  secs 212
>Yace     ply 15  score 9   secs 103
>Crafty   ply 16  score 40  secs 69
>Ruffian  ply 12  score 51  secs 5  (just amazing)
>
>[D]5kb1/6pp/p2P1p2/1p6/2r5/P1r2N1P/6P1/2R2RK1 w - - 0 36
>
>(remember, d7 must show a positive score)

Deep Sjeng, 3 seconds, AMD 1.53Ghz

New game
5kb1/6pp/p2P1p2/1p6/2r5/P1r2N1P/6P1/2R2RK1 w - - 0 1

Analysis by Deep Sjeng 0.99.7:

1.d7
  +-  (4.06)   Depth: 2/9   00:00:00
1.d7 Ke7 2.Rxc3 Rxc3
  =  (-0.14)   Depth: 2/9   00:00:00
1.Rxc3 Rxc3 2.d7
  =  (0.25)   Depth: 2/9   00:00:00
1.Rxc3 Rxc3 2.d7 Ke7 3.Rd1
  =  (-0.14)   Depth: 3/9   00:00:00
1.Rxc3 Rxc3 2.d7 Ke7 3.Rd1
  =  (-0.14)   Depth: 3/9   00:00:00
1.Rxc3 Rxc3 2.d7 Ke7 3.Rd1 Kd8
  ³  (-0.40)   Depth: 4/9   00:00:00
1.Rxc3 Rxc3 2.d7 Ke7 3.Rd1 Kd8
  ³  (-0.40)   Depth: 4/9   00:00:00
1.Rxc3
  µ  (-0.90)   Depth: 5/16   00:00:00
1.d7 Ke7 2.Rcd1 Kd8 3.Ne5 Rc7
  ³  (-0.48)   Depth: 5/16   00:00:00
1.Rcd1 Ke8 2.d7+ Kd8 3.Rfe1 Bf7 4.Re7
  ³  (-0.30)   Depth: 5/20   00:00:00
1.Rcd1 Ke8 2.d7+ Kd8 3.Rfe1 Bf7 4.Re7
  ³  (-0.30)   Depth: 5/20   00:00:00
1.Rcd1 Rc8 2.Ra1 Rd8 3.Rfd1 Rd7
  µ  (-0.79)   Depth: 6/20   00:00:00  65kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Re7 Rc1
  ³  (-0.40)   Depth: 6/20   00:00:00  103kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Re7 Rc1
  ³  (-0.40)   Depth: 6/23   00:00:00  130kN
1.d7
  µ  (-0.90)   Depth: 7/26   00:00:00  299kN
1.Rcd1 Rc8 2.Nd4 Bf7 3.d7 Rd8 4.Rf3 Rxf3 5.Nxf3
  ³  (-0.42)   Depth: 7/26   00:00:00  348kN
1.Rcd1 Rc8 2.Nd4 Bf7 3.d7 Rd8 4.Rf3 Rxf3 5.Nxf3
  ³  (-0.42)   Depth: 7/26   00:00:01  405kN
1.Rcd1 Rc8 2.Nd4 Rd8 3.Rf3 Rc5 4.Ne2 Bd5 5.Rc3 Rxc3 6.Nxc3
  ³  (-0.46)   Depth: 8/26   00:00:01  495kN
1.Rcd1 Rc8 2.Nd4 Rd8 3.Rf3 Rc5 4.Ne2 Bd5 5.Rc3 Rxc3 6.Nxc3
  ³  (-0.46)   Depth: 8/27   00:00:02  912kN
1.Rcd1
  µ  (-0.96)   Depth: 9/27   00:00:02  1262kN
1.d7
  =  (0.04)   Depth: 9/28   00:00:03  1922kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rxd4 5.Rxd4 Rxa3 6.Kf2 b4 7.g3
  ²  (0.69)   Depth: 9/28   00:00:12  8024kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rxd4 5.Rxd4 Rxa3 6.Kf2 b4 7.g3
  ²  (0.69)   Depth: 9/33   00:00:13  8253kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rc1 5.Rxc1 Rxd4 6.Rc8+ Kxd7 7.Ra8 Kc6
8.Rxa6+ Kb7 9.Ra5
  ±  (1.15)   Depth: 10/33   00:00:15  9698kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rc1 5.Rxc1 Rxd4 6.Rc8+ Kxd7 7.Ra8 Kc6
8.Rxa6+ Kb7 9.Ra5
  ±  (1.15)   Depth: 10/33   00:00:17  10372kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rc1 5.Rxc1 Rxd4 6.Rc8+ Kxd7 7.Ra8 Bd5
8.Rxa6 Ra4 9.Rb6 Bc6 10.Rd1+ Kc7
  ±  (1.17)   Depth: 11/33   00:00:22  13406kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rc1 5.Rxc1 Rxd4 6.Rc8+ Kxd7 7.Ra8 Bd5
8.Rxa6 Ra4 9.Rb6 Bc6 10.Rd1+ Kc7
  ±  (1.17)   Depth: 11/36   00:00:25  15107kN
1.d7 Ke7 2.Rcd1 Kd8 3.Rfe1 Bf7 4.Nd4 Rc1 5.Rxc1 Rxd4 6.Rc8+ Kxd7 7.Ra8 Bg6
8.Ra7+ Kd8 9.Rxa6 Rd7 10.Kf2 Rd2+ 11.Re2 Rxe2+ 12.Kxe2
  +-  (1.49)   Depth: 12/36   00:00:35  21287kN

(Pascutto, Gent 06.11.2002)

--
GCP



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