Author: Robert Wilkins
Date: 18:38:46 02/05/99
Go up one level in this thread
On February 05, 1999 at 11:57:56, Djordje Vidanovic wrote:
>A couple of days ago I reported on the successful performance of two French
>programs, Chess Wizard and Zchess, in the Aubervilliers rapid chess tournament.
>As this particular position may have been overlooked, and as I believe that it
>is worth analysing with different chess software, I'll try to bring it up again.
>
>White: GM Sekatchev, Black: Zchess 1.2:
>
>1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Qb6 7. Nc3 Qb4 8. O-O
>Bxc3 9. a3 Qa5 10. bxc3 Qxc3 11. Rb1 Qa5 12. Bb2 f6 13. e5 f5 14. e6 Nf6 15. Qc1
>b6 16. Re1 O-O 17. Qh6 c4 18. dxc4 Bxe6 19. Rxe6 Rf7 20. Ng5 * 1-0
>
>
>on move 8, Black (Zchess 1.2) played 8...Bxc3. Of the tested programs, the only
>one not yielding to the temptation was Zarkov 5 playing 8...Nf6, not bothering
>to capture the Knight, which is, of course, a good move. Other programs, among
>them Crafty 16.0, according to Zchess's author Franck Zibi, tend to play the
>same bad move, 8...Bxc3. More info, with comments by Franck 1. e4 c5 2. Nf3 Nc6
>3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Qb6 7. Nc3 Qb4 8. O-OBxc3 9. a3 Qa5 10.
>bxc3 Qxc3 11. Rb1 Qa5 12. Bb2 f6 13. e5 f5 14. e6 Nf6 15. Qc1b6 16. Re1 O-O 17.
>Qh6 c4 18. dxc4 Bxe6 19. Rxe6 Rf7 20. Ng5 *Zibi, can be found at
>http://www.forum64.com/. Some tested programs are (AMD K6-2/300):
CM 6000 plays 8... Be6 - dosesn't even consider Bxc3 as an option!!
On a PII 350 with 128 Megs - gives a +0.64 after the move.
Robert
>
>ZChess 1.2 Bxc3 ?? 11 +0.80
>WChess 2000 Bxc3 ?? 11 +0.88
>Crafty 16.0 Bxc3 ?? 12 +0.13
>Chess Genius 6 Bxc3 ?? 8 -0.06
>Fritz 5.0 Bxc3 ?? 11 -0.25
>Zarkov 5 Nf6 ! :-) 6 -0.19
>
>What does your program play in this position? Bob, you said that you could not
>reproduce 8...Bxc3. Could you retry it on your Quad? Others?
>
>Regards,
>Djordje
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.