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Subject: crafty 19.14 move choose after eval.

Author: tomasz buchta

Date: 02:31:18 07/23/04


Hi. I have a simple question :

my crafty 19.14 playing white, and after

Black(10): e6

in this position:

       +---+---+---+---+---+---+---+---+
    8  |   |<R>|<B>|<Q>|<K>| . |<N>|<R>|
       +---+---+---+---+---+---+---+---+
    7  |<P>|   | . |   | . |<P>|<B>|<P>|
       +---+---+---+---+---+---+---+---+
    6  |   | . |   |<P>|<P>| . |<P>| . |
       +---+---+---+---+---+---+---+---+
    5  | . |   |<P>|   | . |   | . |   |
       +---+---+---+---+---+---+---+---+
    4  |   |<P>|   |<N>|-P-| . |   | . |
       +---+---+---+---+---+---+---+---+
    3  | . |   | . |-P-|-B-|   |-P-|   |
       +---+---+---+---+---+---+---+---+
    2  |-P-|-P-|-P-|-Q-|-N-|-P-|-B-|-P-|
       +---+---+---+---+---+---+---+---+
    1  |-R-|   | . |-N-| . |-R-|-K-|   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

evaluates ---> (log file)

              clearing hash tables
              time surplus   0.00  time limit 1:30 (3:30)/(200)
              depth   time  score   variation (1)
                4     0.02   0.84   11. a3 a5 12. Nxd4 cxd4 13. Bg5
                4->   0.03   0.84   11. a3 a5 12. Nxd4 cxd4 13. Bg5
                5     0.07   0.68   11. a3 Nxe2+ 12. Qxe2 a5 13. axb4 cxb4
                                    14. c3 Ne7 15. cxb4 Rxb4
                5->   0.10   0.68   11. a3 Nxe2+ 12. Qxe2 a5 13. axb4 cxb4
                                    14. c3 Ne7 15. cxb4 Rxb4
                6     0.17   0.74   11. a3 Nxe2+ 12. Qxe2 a5 13. axb4 cxb4
                                    14. d4 Ne7 15. b3
                6->   0.25   0.74   11. a3 Nxe2+ 12. Qxe2 a5 13. axb4 cxb4
                                    14. d4 Ne7 15. b3
                7     0.41   0.68   11. a3 Nxe2+ 12. Qxe2 a5 13. axb4 cxb4
                                    14. c3 Ne7 15. cxb4 Rxb4
                7->   0.71   0.68   11. a3 Nxe2+ 12. Qxe2 a5 13. axb4 cxb4
                                    14. c3 Ne7 15. cxb4 Rxb4
                8     1.47   0.88   11. a3 Nxe2+ 12. Qxe2 a6 13. axb4 cxb4
                                    14. e5 d5 15. Ba7 Rb5 16. Bd4
                8->   1.63   0.88   11. a3 Nxe2+ 12. Qxe2 a6 13. axb4 cxb4
                                    14. e5 d5 15. Ba7 Rb5 16. Bd4
                9     2.40   0.66   11. a3 Nxe2+ 12. Qxe2 a6 13. axb4 cxb4
                                    14. e5 d5 15. Bd2 Ne7 16. c3 Nc6
                9->   3.76   0.66   11. a3 Nxe2+ 12. Qxe2 a6 13. axb4 cxb4
                                    14. e5 d5 15. Bd2 Ne7 16. c3 Nc6
               10     7.10   0.65   11. a3 Nxe2+ 12. Qxe2 bxa3 13. Rxa3
                                    a6 14. c4 Ne7 15. Qd2 O-O 16. d4 Qc7
                                    17. dxc5 dxc5
               10->  10.52   0.65   11. a3 Nxe2+ 12. Qxe2 bxa3 13. Rxa3
                                    a6 14. c4 Ne7 15. Qd2 O-O 16. d4 Qc7
                                    17. dxc5 dxc5
               11    24.59   0.68   11. a3 Nxe2+ 12. Qxe2 bxa3 13. Rxa3
                                    Qc7 14. c4 Ne7 15. Nc3 a6 16. Rd1 O-O
                                    17. d4 Bxd4 18. Bxd4 cxd4 19. Rxd4
               11->  28.63   0.68   11. a3 Nxe2+ 12. Qxe2 bxa3 13. Rxa3
                                    Qc7 14. c4 Ne7 15. Nc3 a6 16. Rd1 O-O
                                    17. d4 Bxd4 18. Bxd4 cxd4 19. Rxd4

and finally choose Bxd4 (e3d4)

White(11): e3d4
White(11): Bxd4


COULD ANYBODY TELL ME WHY ??

best regards

Tomasz Buchta/ Poland
t3rmi@poczta.fm
termi@pszczyna.net.pl




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