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Subject: Crafty analysis - strange (I think) behaviour

Author: Shaun Brewer

Date: 05:37:23 08/21/02


Analysis of a game between Crafty and Comet by crafty.

Notice that when analysing for white the game is scored as equal but when
scoring for black white is ahead approx 2 pawns!? This does not appear to be
effecting the move selection but does seem a little strange to me.

Thanks in advance for your comments

Shaun

[Event "Computer chess game"]
[Site "W0150035"]
[Date "2002.08.20"]
[Round "8"]
[White "Crafty-18.15"]
[WhiteElo ""]
[Black "Comet B.48"]
[BlackElo ""]
[Result "1-0"]
[Annotator "Crafty v18.15"]
{annotating both black and white moves.}
{using a scoring margin of -5.00 pawns.}
{search time limit is 5:00}

  1.      d4     Nf6
  2.     Nf3      e6
  3.      c4      b6
  4.     Nc3     Bb4
  5.     Bg5      h6
  6.     Bh4     Bb7
  7.      e3   Bxc3+
  8.    bxc3      d6
  9.     Nd2    Nbd7
 10.      f3     Qe7
 11.     Bd3
                ({12:+0.10}  11. Bd3 e5 12. Bf2 e4 13. fxe4 Nxe4 14. Nxe4 Bxe4
15. Bxe4 Qxe4 16. Qf3 Qxf3 17. gxf3 Ke7 18. O-O-O $10)
                ({12:+0.12}  11. Bf2 e5 12. Be2 h5 13. e4 h4 14. a4 c6 15. h3
exd4 16. cxd4 O-O-O 17. a5 $10)

 11.     ...   O-O-O
                ({13:+1.79}  11. ... O-O-O 12. a4 e5 13. d5 g5 14. Bf2 Nc5 15.
Bf5+ Kb8 16. a5 Bc8 17. Bc2 b5 18. O-O $18)
                ({13:+0.54}  11. ... e5 12. Qe2 O-O 13. O-O exd4 14. cxd4 c5 15.
Rfe1 Rad8 16. Bf5 cxd4 17. exd4 Qxe2 18. Rxe2 Rfe8 $14)
 12.      a4
                ({12:-0.06}  12. a4 e5 13. Bf2 e4 14. Be2 exf3 15. Bxf3 Bxf3 16.
Qxf3 Rde8 17. a5 Ne4 18. Nxe4 Qxe4 19. Qxe4 Rxe4 20. axb6 axb6 $10)
                ({12:+0.09}  12. O-O e5 13. Bf2 e4 14. Nxe4 Nxe4 15. fxe4 Bxe4
16. Bxe4 Qxe4 17. Qa4 Qd3 18. Qxa7 Qxc4 $10)

 12.     ...      a5
                ({12:+1.80}  12. ... a5 13. O-O e5 14. d5 Nc5 15. Bf5+ Kb8 16.
Rb1 g6 17. Bc2 Rhe8 18. Bg3 g5 $18)
                ({12:+1.53}  12. ... e5 13. e4 Nf8 14. a5 exd4 15. cxd4 Ng6 16.
Bg3 Nh5 17. axb6 Nhf4 18. Bf1 axb6 $18)
 13.     O-O
                ({14:-0.05}  13. O-O g5 14. Bf2 h5 15. Qb3 h4 16. h3 Nh5 17.
Rfb1 Ng3 18. Rb2 f5 19. Nf1 g4 20. hxg4 fxg4 $10)

 13.     ...      g5
                ({13:+1.81}  13. ... g5 14. Bf2 Rdf8 15. Qe2 Kd8 16. f4 Rhg8 17.
Bg3 h5 18. fxg5 Rxg5 19. Nf3 Bxf3 20. Qxf3 Rfg8 $18)
                ({13:+1.78}  13. ... e5 14. d5 Rdf8 15. Bf5 g6 16. Bh3 g5 17.
Bf2 Kd8 18. Bf5 Ke8 19. Qe2 Nh5 20. e4 Qf6 $18)
 14.     Bf2
                ({14:-0.18}  14. Bf2 h5 15. Rb1 h4 16. h3 Nh5 17. Re1 f5 18. Qb3
g4 19. hxg4 fxg4 20. fxg4 Ng3 21. Qb5 $10)

 14.     ...     Kb8
                ({12:+1.94}  14. ... Kb8 15. Rb1 e5 16. Bf5 e4 17. Nxe4 Nxe4 18.
Bxe4 Bxe4 19. fxe4 Qxe4 20. Qb3 Rhe8 21. Qb5 $18)
                ({12:+1.80}  14. ... Rdf8 15. Bc2 Kd8 16. Qe2 e5 17. d5 Ke8 18.
Bf5 Nh5 19. Ne4 Nhf6 20. Nxf6+ Qxf6 21. Bxd7+ Kxd7 22. e4 $18)
 15.     Rb1
                ({14:-0.08}  15. Rb1 h5 16. Qb3 g4 17. Bh4 gxf3 18. Nxf3 Rhg8
19. Ng5 e5 20. Bf5 exd4 21. cxd4 Rde8 22. Bxd7 Nxd7 23. Rxf7 $10)

 15.     ...      h5
                ({13:+2.10}  15. ... h5 16. Qb3 g4 17. Bh4 gxf3 18. Nxf3 Rhg8
19. e4 Rg4 20. h3 Rg7 21. Rb2 Rdg8 $18)
                ({13:+1.92}  15. ... e5 16. Re1 e4 17. Nxe4 Nxe4 18. Bxe4 Bxe4
19. fxe4 Rhf8 20. Qb3 f5 21. e5 dxe5 22. Qb5 h5 $18)
 16.     Qb3
                ({13:-0.08}  16. Qb3 g4 17. Bh4 gxf3 18. Nxf3 Rhg8 19. Ng5 e5
20. Bf5 exd4 21. cxd4 Rde8 22. Bxd7 Nxd7 23. Rxf7 $10)





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