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Article #4652

gnuchess Sacrifices The King

#4652
From: Barton C. Massey
Date: Fri, 30 Dec 1994 02:32
34 lines
2047 bytes
I'm running gnuchess PL73 (with the latest xboard, if it
matters).  In the attached game (yes, I'm a crummy chess player
-- so what? :-) the computer was stalemated, but responded with
a "king sacrifice" rather than a draw indication :-).

xboard correctly noted this as an illegal move, and no harm was
done, obviously, but it is kind of grody, so I thought I'd
report it.  Ideas, anyone?

					Bart Massey
					bart@cs.uoregon.edu

[Event "GNU Chess game"]
[Site "bartcomputer"]
[Date "1994.12.29"]
[Round "-"]
[White "gnuchessx"]
[Black "bart"]
[Result "*"]
[TimeControl "60/300"]

1. e4 Nf6 2. e5 Ne4 3. d3 Nc5 4. d4 Ne6 5. d5 Nc5 6. Nf3 b6 7. Nc3 e6 8.
Bc4 Be7 9. Be3 Nba6 10. O-O O-O 11. d6 cxd6 12. exd6 Bf6 13. Qd2 Bb7 14.
Ng5 h6 15. Bxc5 Nxc5 16. Nh3 Rc8 17. a4 Ne4 18. Nxe4 Bxe4 19. Qe2 Bf5 20.
g4 Bg6 21. c3 Rc6 22. Rfd1 Qc8 23. Bb5 Rc5 24. Nf4 Bh7 25. Nh5 Bh4 26. b4
Rxc3 27. Bxd7 Qxd7 28. Qe5 Bxf2 29. Kxf2 Rc2 30. Kg3 f6 31. Qe1 Rc6 32. a5
Rxd6 33. Kh4 Rd8 34. Rxd6 Qxd6 35. Kh3 Qd3 36. Ng3 Rd4 37. axb6 axb6 38.
Qxe6 Kh8 39. Qxb6 Be4 40. Qb8 Kh7 41. Re1 Bf3 42. Qc8 Rxb4 43. Qf5 Qxf5 44.
gxf5 Bg4 45. Kg2 Rb2 46. Kg1 Bh3 47. Re3 Rg2 48. Kh1 Rf2 49. Kg1 Rf4 50.
Re7 Bxf5 51. Rxg7 Kxg7 52. Nh5 Kg6 53. Nxf4 Kg5 54. Ne2 Bg4 55. Kf2 f5 56.
Ke3 Bxe2 57. Kxe2 f4 58. Kf3 h5 59. Kg2 Kf6 60. Kf2 Ke5 61. Kf3 h4 62. Kf2
Ke4 63. h3 f3 64. Kf1 Ke3 65. Ke1 Kf4 66. Kf2 Ke4 67. Kf1 Ke3 68. Ke1 f2
69. Kf1 Kf3 70. f1f2
*
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From: bart@cs.uoregon.edu (Barton C. Massey)
Newsgroups: gnu.chess
Subject: gnuchess Sacrifices The King
Date: 29 Dec 1994 18:32:42 -0800
Organization: University of Oregon Computer and Information Sciences Dept.
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Message-ID: <3dvrga$49d@majestix.cs.uoregon.edu>
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