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Subject: Gromit-Crafty, Maastricht

Author: Jeremiah Penery

Date: 18:07:45 08/23/01


[Event "WMCC2001"]
[Site "Maastricht"]
[Date "2001.08.23"]
[Round "9"]
[White "GromitChess"]
[Black "Crafty 18.10"]
[Result "1-0"]

1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 b5 5. a4 c6 6. axb5
cxb5 7. b3 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 a5 10. bxc4 b4
11. Ne5 Nf6 12. Qa4+ Bd7 13. Nxd7 Nbxd7 14. Be2 O-O 15. O-O
Ra7 16. Rfb1 e5 17. Nf3 Ra8 18. dxe5 Ne4 19. Rd1 Ra7
20. Rd4 Nc3 21. Qc2 Qe7 22. Bd3 g6 23. e6 fxe6 24. Rg4 Kh8
25. Rf1 Raa8 26. Bxg6 hxg6 27. Qxg6 Rf7 28. Rh4+ Rh7
29. Ng5 Rxh4 30. Nf7+ Qxf7 31. Qxf7 Rh7

[D]r6k/3n1Q2/4p3/p7/1pP4r/2n1P3/5PPP/5RK1 b - -

Crafty was fine up until this point...It could easily get a draw with Ne2+ or
Rf8 (or better, see below), but instead it played clearly inferior Rh7 - why?
Even at very low plies I get a big plus score for white after this move.
But even after this, Crafty could have done better by at least trying to push
its a-b pawns - if white makes even a small slip, black again has
drawing/winning chances in many lines.

31. ... Ne2+ 32. Kh1 Rf8 33. Qg6 Rf5, then if white plays 33. Qxe6 Rxh2+!! and
black is now winning.  Otherwise, white must allow black to take the easy draw
by 33. Qxd7 Ng3+ 34. Kg1 Ne2+, and repeats.

32. Qxe6 Nf8
33. Qc6 Rha7 34. f4 Kg8 35. Qc5 Ra6 36. f5 Nd7 37. Qe7 Nf6
38. g4 Re8 39. Qb7 Rea8 40. g5 Nfe4 41. f6 R6a7 42. Qc6 Kf7
43. g6+ Kxg6 44. f7+ Kg7 45. Qe8 Rxe8 46. fxe8=Q Nf6
47. Qe5 Ra6 48. h4 Nce4 49. Rf4 Kh6 50. Rxe4 Nxe4 51. Qf4+
Kh5 1-0



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