Author: Dieter Buerssner
Date: 15:44:39 11/22/05
Go up one level in this thread
On November 21, 2005 at 14:55:58, Arifur Rahman wrote:
>The position after 39 Qg3 seems to be a difficult for the chess programs, not
>only for Fritz 9.
>
>I checked the position with Shredder 9.
>
>After 8 minutes at depth 19 Shredder 9 likes the move 39...Bc2?? also. Shredder
>rates the move as the second best (with eval -2.6) after the first choice Qg3.
>
>Maybe both Fritz and Shredder would discard the move totally with faster
>hardware at deeper depth. Maybe Fritz didnt have enough time at move 39, just
>before the time control.
After a long think, Yace suggests Nc4:
2108285081 55:16.7 2.27 17t 1...Qxg3+ 2.Kxg3 f5 3.Bd1 Rc1 4.Kf2 f4 5.Bb3H
fxe3+H 6.Rxe3H Nc4H 7.Bxc4H {HT} {-260}
2438050744 1:03:28 2.27 17. 1...Qxg3+ 2.Kxg3 f5 3.Bd1 Rc1 4.Kf2 f4 5.Bb3
fxe3+ 6.Rxe3 Nc4 7.Bxc4 {HT} {-260}
88175191 1:53:48 2.36 18t 1...Qxg3+ 2.Kxg3 f5 3.Bd1 Rc1 4.Kf2 f4 5.Bb3
fxe3+ 6.Rxe3 Nc4 7.Bxc4 dxc4 8.Re1 Rxe1 9.Kxe1
c3 10.Kf2 Kf8 11.Ke3 c2 12.Nb3 Ke7 13.Nc1 {HT}
{90}
1127106290 2:21:17 2.37 18t+ 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3 4.Kf2 Ra2+ 5.Kg1
Nd2 6.Nc6 Nf3+ 7.Bxf3 exf3 8.Rf1 Bxf1 9.b5
1178113185 2:22:33 2.37 18t 1...Nc4 2.Qxh4 gxh4 3.Bd1H Ra3H {HT}
1913309071 2:40:53 2.37 18. 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3
4212173733 3:40:33 2.56 19t 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3 4.Nc6 Ra2+ 5.Kh1
Kf8 6.b5 axb5 7.axb5 Ra1 8.b6 Rb1 9.b7 Rxb7
10.Kg1 Rb6 11.Na7 Rb2 12.Nc6 f6 {160}
363406809 5:43:15 2.56 19. 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3 4.Nc6 Ra2+ 5.Kh1
Kf8 6.b5 axb5 7.axb5 Ra1 8.b6 Rb1 9.b7 Rxb7
10.Kg1 Rb6 11.Na7 Rb2 12.Nc6 f6 {160}
916452021 7:49:22 2.80 20t 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3 4.Bh5 Ra2+ 5.Kg1
Nxa5 6.bxa5 Rxa4 7.Kh1 Rxa5 8.Rg1+ Kf8 9.Rg4
Ra3 10.Rf4 Bc4 11.Bxf7 Ke7 12.Bh5 Rxe3 13.Rxh4
{160}
2932257232 10:29:50 2.80 20. 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3 4.Bh5 Ra2+ 5.Kg1
Nxa5 6.bxa5 Rxa4 7.Kh1 Rxa5 8.Rg1+ Kf8 9.Rg4
Ra3 10.Rf4 Bc4 11.Bxf7 Ke7 12.Bh5 Rxe3 13.Rxh4
{160}
2743110111 16:03:02 2.90 21t 1...Nc4 2.Qxh4 gxh4 3.Bd1 Ra3 4.Nc6 Ra2+ 5.Kh1
Kf8 6.Bb3 Rb2 7.Bxc4 dxc4 8.Rc1 Rc2 9.Rxc2 Bxc2
10.d5H c3H {HT} {90}
Regards,
Dieter
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