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Subject: Re: Test Position - black to move and draw

Author: Mike Byrne

Date: 04:23:42 01/13/03

Go up one level in this thread


On January 12, 2003 at 22:35:56, bobby palacios wrote:

>P4 2.47ghz, 192mb hash
>
>Analysis by Chess Tiger 14.0:
>
>1...Re1+ 2.Kh2 g4 3.Rxd5 Rxe3 4.Rg5+ Kh8 5.Rxg4 Bxg4 6.fxe3 Rf2+ 7.Kg1 Rxb2 8.e4
>  ±  (0.88)   Depth: 11   00:00:00  207kN
>1...Re1+ 2.Kh2 g4 3.Rxd5
>  ±  (0.88)   Depth: 11   00:00:00  212kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rd8+ Kf7 6.Rd7+ Ke6 7.Rxh7 Rxa2
>8.Rh6+ Kf5
>  ±  (0.78)   Depth: 11   00:00:00  353kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rd8+ Kf7 6.Rd7+ Ke6 7.Rxh7 Rxa2
>8.Rh6+ Kf5 9.Rh5+ Ke6
>  ²  (0.66)   Depth: 12   00:00:01  482kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Ra8+ Kf7 7.Ra7+ Kg6 8.Nb3
>Re2+ 9.Kg1 Rxb2
>  ²  (0.36)   Depth: 13   00:00:02  945kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Ra8+ Kg7 7.Ra7+ Kg6 8.Nb3
>  ²  (0.32)   Depth: 14   00:00:04  2210kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Re2+ 7.Kg1 Rg2+ 8.Kf1
>Rxb2+ 9.Ke1 Rb1+ 10.Kd2
>  ²  (0.52)   Depth: 15   00:00:07  3217kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Rd8+ Kg7 5.Rd7+ Kg8 6.b4 Rf2+ 7.Kg1 Rf1+ 8.Kh2
>  ²  (0.29)   Depth: 16   00:00:58  27419kN
>
>
>Analysis by Fritz 8:
>
>
>1...Re1+ 2.Kh2 Bg4 3.Rxd5 Bf3 4.Rxg5+ Kh8 5.Nd2
>  +-  (1.53)   Depth: 9/24   00:00:00  363kN
>1...Re1+ 2.Kh2 Bg4 3.Rxd5 h6 4.a4 Bf3 5.Nd2 Rxa1 6.Nxf3 Rxf3 7.axb5 axb5 8.Rxb5
>Kf7 9.c4 Ke7
>  +-  (1.50)   Depth: 10/30   00:00:00  632kN
>1...Re1+ 2.Kh2 Bg4 3.Rxd5 h6 4.a4 b4 5.Bf4 gxf4 6.Re5 Rxe5 7.dxe5 fxg3+ 8.Kxg3
>  +-  (1.47)   Depth: 11/27   00:00:01  1506kN
>1...Re1+ 2.Kh2 Bg4 3.a4 Bf3 4.Nd2 Rxa1 5.Nxf3 Rxf3
>  +-  (1.50)   Depth: 12/32   00:00:03  3255kN
>1...Re1+ 2.Kh2 Bg4 3.Rxd5 h6 4.Rd6 Bf3 5.Nd2 Rxa1 6.Nxf3 Rxf3 7.Rxa6 g4 8.d5 Rd1
>  ±  (1.25)   Depth: 13/32   00:00:08  7801kN
>1...Re1+ 2.Kh2 g4 3.Rxd5 h6 4.Rd6 Rxe3 5.Rg6+ Kh7 6.Rxg4 Bxg4
>  ±  (1.03)   Depth: 14/33   00:00:25  23895kN
>1...Rxe3!
>  ±  (1.00)   Depth: 14/34   00:00:38  35350kN
>1...Rxe3!
>  ±  (0.84)   Depth: 14/37   00:00:42  38924kN
>1...Rxe3!
>  ²  (0.53)   Depth: 14/37   00:00:52  47520kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Re2+ 7.Kg1 Rxe3 8.Ra8+
>Kg7 9.Ra7+ Kg6 10.Ra6+ Kh5 11.Nc5
>  ²  (0.34)   Depth: 14/37   00:01:03  58031kN
>1...Rxe3!
>  =  (0.06)   Depth: 15/35   00:01:48  98255kN
>
>
>
>Analysis by Fritz 7:
>
>1...Re1+!
>  +-  (2.06)   Depth: 9/24   00:00:00  299kN
>1...Re1+!
>  +-  (1.78)   Depth: 10/25   00:00:00  356kN
>1...Re1+!
>  +-  (1.50)   Depth: 11/27   00:00:00  726kN
>1...Re1+!
>  ±  (1.22)   Depth: 12/28   00:00:01  1517kN
>1...Re1+ 2.Kh2 Bg4 3.a4 Bf3 4.Nd2 Rxa1 5.Nxf3 Rxf3 6.axb5 Ra5 7.bxa6 g4 8.Rd8+
>Rf8
>  +-  (1.41)   Depth: 13/33   00:00:06  5822kN
>1...Re1+ 2.Kh2 Bg4 3.Rxd5 h6 4.Rd6 Bf3 5.Nd2 Rxa1 6.Nxf3 Rxf3 7.Rxa6 g4 8.d5 Kf7
>  ±  (1.16)   Depth: 14/32   00:00:12  12206kN
>1...Rxe3!
>  ±  (1.12)   Depth: 14/33   00:00:16  16012kN
>1...Rxe3!
>  ±  (0.97)   Depth: 14/33   00:00:17  17018kN
>1...Rxe3!
>  ²  (0.66)   Depth: 14/33   00:00:20  19110kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Rd8+ Kf7 5.Rxd5 Rf2+ 6.Kh1 Rf1+ 7.Kh2 Rf2+ 8.Kh1
>Rf1+
>  =  (0.00)   Depth: 14/33   00:00:24  22663kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Re2+ 7.Kg1 Rxe3 8.Ra8+
>Kf7
>  =  (0.22)   Depth: 15/33   00:00:29  27677kN
>
>
>
>Analysis by Shredder 7:
>
>
>1...Rxe3 2.Rxd5 Rd3 3.Rxg5+ Kf7 4.f4 h6 5.Rh5
>  +-  (3.41)   Depth: 9/18   00:00:00  132kN
>1...Rxe3 2.Rxd5 Re1+ 3.Kh2 Bf5 4.a4 Rxb1 5.axb5
>  +-  (3.06)   Depth: 9/18   00:00:00  144kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Rb6
>  +-  (2.58)   Depth: 9/25   00:00:00  190kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Ra8+ Kf7 7.Rd8
>  +-  (2.41)   Depth: 10/17   00:00:00  213kN
>1...Re1+ 2.Kh2 g4 3.Bf4 Rf1 4.Nd2 Rxa1 5.Bh6 Rxa2 6.Rd7 Rxb2 7.Bxf8
>  +-  (2.40)   Depth: 10/22   00:00:00  289kN
>1...Re1+ 2.Kh2 g4 3.Rxd5 Rxe3 4.Rg5+ Kh8 5.Rxg4 Bxg4 6.fxe3 Rf2+ 7.Kg1 Rxb2
>  +-  (2.32)   Depth: 10/22   00:00:00  315kN
>1...Re1+ 2.Kh2 g4 3.Rxd5 Rxe3 4.Rg5+ Kh8 5.Rxg4 Bxg4 6.fxe3 Rf2+ 7.Kg1 Rxb2
>  +-  (2.32)   Depth: 11/21   00:00:01  441kN
>1...Re1+ 2.Kh2 Bg4 3.Rxa6 Bf3 4.c4 Rh1#
>  +-  (2.07)   Depth: 12/23   00:00:02  880kN
>1...Re1+ 2.Kh2 Bg4 3.Rxd5 Bf3 4.Rxg5+ Kh8 5.Nd2 Rxa1 6.Nxf3 Rxf3 7.d5 h6 8.Bd4+
>Kh7 9.Kg2 hxg5 10.Kxf3 Rxa2
>  +-  (2.06)   Depth: 12/23   00:00:02  969kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Rd8+ Kf7 5.Na3 Rxa1 6.Rxd5 Rxa2 7.Rg5
>  +-  (2.05)   Depth: 12/23   00:00:02  1109kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Rd8+ Kf7 5.Na3 Rxa1 6.Rxd5 Rxa2 7.Rd6 Rxb2+
>8.Nc2
>  +-  (1.70)   Depth: 12/23   00:00:02  1237kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Ra8+ Kf7 7.Ra7+ Kg8 8.Nb3
>Re2+ 9.Kg1 Rxb2
>  ±  (1.25)   Depth: 12/24   00:00:03  1409kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.c4 Re2+ 7.Kg1 Rxd2 8.cxb5
>  ±  (1.00)   Depth: 13/24   00:00:04  1932kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Rd8+ Kf7 5.Na3 Rxa1 6.Rxd5 Rxa2 7.Rf5+ Ke6 8.Rf2
>Kd5 9.Nb1
>  ±  (0.93)   Depth: 13/24   00:00:04  2100kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Re2+ 7.Kg1 Rg2+ 8.Kh1
>Rxb2 9.Nc5 Re2
>  ±  (0.84)   Depth: 14/27   00:00:07  3253kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Re2+ 7.Kg1 Rxb2 8.Rd6
>Bg2 9.Rb6 Kf7 10.Rxb5 Rxa2
>  ²  (0.68)   Depth: 15/28   00:00:10  4938kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Rf1 7.Ra7 Rf2+ 8.Kg1
>Rf1+ 9.Kh2 Rf2+ 10.Kg1 Rf1+ 11.Kh2 Rf2+
>  ²  (0.43)   Depth: 16/30   00:00:19  9426kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Nb3 Rf1 7.Ra8+ Kg7 8.Ra7+
>Kf8 9.Ra8+ Kg7 10.Ra7+ Kf8 11.Ra8+ Kg7 12.Ra7+
>  =  (0.04)   Depth: 16/30   00:00:26  12479kN
>
>
>And finally, normal Crafty 19.01:
>
>
>1...Re1+ 2.Kh2 Bf5 3.Rxd5 g4 4.Bh6 Rf6 5.Bd2 Rf1 6.Rd8+ Kf7 7.Bg5 Rxf2+
>  +-  (4.02)   Depth: 10/20   00:00:01  964kN
>1...Re1+ 2.Kh2 Bf5 3.Rxd5 g4 4.Bh6 Rf6 5.Bd2 Rf1 6.Rd8+ Kf7 7.Bg5 Rxf2+
>  +-  (3.62)   Depth: 11/22   00:00:04  2952kN
>1...Re1+ 2.Kh2 g4 3.Rxd5 Rxe3 4.Rg5+ Kh8 5.Rxg4 Bxg4 6.fxe3 Rf2+ 7.Kg1 Rf3 8.Nd2
>Rxg3+
>  +-  (1.91)   Depth: 11/22   00:00:06  4914kN
>1...Re1+ 2.Kh2 g4 3.Rxd5 Rxe3 4.Rg5+ Kh8 5.Rxg4 Bxg4 6.fxe3 Rf2+ 7.Kg1 Rf3 8.Nd2
>Rxg3+
>  +-  (1.51)   Depth: 12/28   00:00:08  6884kN
>1...Re1+ 2.Kh2 g4 3.Rxd5 Rxe3 4.Rg5+ Kh8 5.Rxg4 Bxg4 6.fxe3 Rf2+ 7.Kh1 Bf3+
>8.Kg1 Rg2+ 9.Kf1 Rxg3
>  +-  (1.51)   Depth: 12/28   00:00:09  7552kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Rd8+ Kf7 5.Nd2 Rxa1 6.Rxd5 Rxa2 7.Rd7+ Ke6
>8.Rxh7 Rxb2
>  ±  (1.05)   Depth: 12/28   00:00:13  11857kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Ra8+ Kf7 7.Ra7+ Kg8 8.Nb3
>Re2+ 9.Kg1 Rxb2
>  ±  (0.75)   Depth: 13/30   00:00:19  16728kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxd5 Rxa2 6.Rd8+ Kf7 7.Rd7+ Kf6
>8.Rd6+ Kf7 9.d5 Rxb2 10.Rd7+ Kf6
>  ²  (0.53)   Depth: 14/30   00:00:36  32850kN
>1...Rxe3 2.fxe3 Rf1+ 3.Kh2 g4 4.Nd2 Rxa1 5.Rxa6 Re1 6.Ra8+ Kf7 7.Nb3 Re2+ 8.Kg1
>Rxb2 9.Ra7+ Kg6 10.Rd7 Rg2+
>  ²  (0.31)   Depth: 15/33   00:01:04  58613kN
>
>(, MyTown 12.01.2003)

Fritz 7 was faster than Fritz 8 on my machine as well.



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