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Subject: Re: I destroyed Crafty in 20 moves!

Author: Robert Hyatt

Date: 19:37:14 09/01/99

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On September 01, 1999 at 15:32:26, Côme wrote:

>
>I played a game of 15mn+3s with Crafty 16.16 on my AMD k6II 350 today,and I
>destroyed it in 23 moves!!
>Here is the game:
>
>[Event "?"]
>[Site "?"]
>[Date "1/8/99"]
>[Round "-"]
>[White "Côme Alexandre"]
>[Black "Crafty 16.16"]
>[Result "1-0"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8.
>Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bb6? 12. Ng3 Qg6 13. Nxe6 fxe6 14.
>Rxe6+ Kd7 15. Nh5 gxf6?? 16. Rxf6 Qe4 17. Ng3 Qe8 18. Qg4+ Kd8 19.Rxc6 Qxc6 20.
>Bg5+ Ke8 21. Re1+ Kf8 22. Qf4+ Kg8 23. Nf5
>1-0
>
>I think 11...Bb6? is a blunder,the theoretical move 11...0-0-0 is better,but I
>don't think 11... Bb6? is the decisive error.
>15...gxf6?? is the lost move,15...Rhe8 is better, the following should be:
>16.Rxe8 Rxe8 17.Nxg7
>Rf8 unclear position.
>Could somebody explain to me :
>How Crafty can play so horrible move like 15...gxf6?? ?
>
>PS:Where can I find Lgoliath2000?
>
>Best Regards
>Côme Alexandre.


This one is easy.  Either (a) you are playing gnuchess and think you are
playing crafty or (b) you have something broken.  Here is output from version
16.16:

          s   depth   time  score   variation (1)
                1     0.00   1.36   15. ... Kxe6 16. fxg7
                1->   0.01   1.36   15. ... Kxe6 16. fxg7
                2     0.01     --   15. ... Kxe6
                2     0.01  -0.53   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6
                2->   0.02  -0.53   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6
                3     0.03  -0.69   15. ... Kxe6 16. fxg7 Kd7 17. gxh8=Q
                                    Rxh8
                3->   0.05  -0.69   15. ... Kxe6 16. fxg7 Kd7 17. gxh8=Q
                                    Rxh8
                4     0.07  -0.88   15. ... Kxe6 16. fxg7 Kd6 17. gxh8=Q
                                    Rxh8 18. Be3
                4->   0.13  -0.88   15. ... Kxe6 16. fxg7 Kd6 17. gxh8=Q
                                    Rxh8 18. Be3
                5     0.21  -0.76   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6 18. Bf4
                5->   0.36  -0.76   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6 18. Bf4
                6     0.55  -0.80   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6 18. Qg4+ Kf7 19. Qf5+ Kg8
                6->   0.87  -0.80   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6 18. Qg4+ Kf7 19. Qf5+ Kg8
                7     0.88     --   15. ... Kxe6
                7     1.40  -1.57   15. ... Kxe6 16. Nf4+ Kxf6 17. Nxg6
                                    Kxg6 18. Qg4+ Kf6 19. Qg5+ Kf7 20.
                                    Qd5+ Kg6 21. Qxc4
                7     2.55  -1.39   15. ... Rae8 16. Nf4 Qf7 17. Qg4 Rxe6
                                    18. Nxe6 Qxf6 19. Nxd4+ Kd6
                7     3.57  -1.04   15. ... gxf6 16. Rxf6 Qe4 17. Ng3 Qd5
                                    18. Rf5 Ne5 19. Bf4
                7     8.44  -0.75   15. ... Rhg8 16. Nf4 Qf5 17. fxg7 Rxg7
                                    18. Qe2 Rg4 19. Re4 Kc8
                7->   9.16  -0.75   15. ... Rhg8 16. Nf4 Qf5 17. fxg7 Rxg7
                                    18. Qe2 Rg4 19. Re4 Kc8
                8    13.37  -0.88   15. ... Rhg8 16. Nf4 Qf5 17. fxg7 Rxg7
                                    18. Qe2 Rg4 19. Re4 Kc8 20. Bd2
                8    16.83     ++   15. ... Rhe8!!
                8    17.35  -0.48   15. ... Rhe8 16. Rxe8 Rxe8 17. Nxg7
                                    Re4 18. c3 d3 19. Nh5 Qf7
         (3)    8->  17.78  -0.48   15. ... Rhe8 16. Rxe8 Rxe8 17. Nxg7
                                    Re4 18. c3 d3 19. Nh5 Qf7
         (2)    9    21.20  -0.49   15. ... Rhe8 16. Rxe8 Rxe8 17. Nxg7
                                    Re4 18. Bd2 Qxf6 19. Nh5 Qf5 20. Ng3
                9->  23.83  -0.49   15. ... Rhe8 16. Rxe8 Rxe8 17. Nxg7
                                    Re4 18. Bd2 Qxf6 19. Nh5 Qf5 20. Ng3
               10    31.00  -0.51   15. ... Rhe8 16. Rxe8 Rxe8 17. Nxg7
                                    Re4 18. Bd2 Qxf6 19. Nh5 Qf7 20. Ng3
                                    Re5


Notice that it _never_ considers your move.  Something is wrong with your
setup, your hardware, or you aren't running crafty.



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