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Subject: Chesstiger 15 bug in EGTB position with en-passant move

Author: Vincent Lejeune

Date: 05:29:39 09/12/03

I was looking at chesstiger 15 (with 3-4-5 EGTB) playing an on-line game
It reach the following position and bluner because of en-passant bug in EGTB, I
think

51...g5 ???

[d]8/4n1pk/8/7P/8/6K1/8/8 b - - 0 51


Does other engines have the same bug ?

[Event "ICS Rated Blitz match"]
[Site "jeu.echecs.com"]
[Date "2003.09.12"]
[Round "-"]
[White "APoloug"]
[Black "SaleBete"]
[Result "*"]
[WhiteElo "2316"]
[BlackElo "2655"]
[TimeControl "240"]

1. e3 d5 2. Nf3 c5 3. d4 Nf6 4. dxc5 e6 5. b4 a5 6. c3 axb4 7. cxb4 b6 8.
Bb5+ Bd7 9. Bxd7+ Nbxd7 10. c6 Bxb4+ 11. Bd2 Bxd2+ 12. Nbxd2 Nc5 13. O-O
O-O 14. Nd4 Qd6 15. N2b3 e5 16. Nf5 Qe6 17. Qf3 Rfc8 18. Qh3 Nce4 19. f4
Rxc6 20. fxe5 Qxe5 21. Nbd4 Rc4 22. Rab1 Rxa2 23. Rxb6 Qc7 24. Rc6 Rxc6 25.
Nxc6 Rc2 26. Nce7+ Kh8 27. Qh4 Rc1 28. Ng3 Rxf1+ 29. Nxf1 Qxe7 30. Qh3 Qd8
31. Qf3 d4 32. exd4 Qxd4+ 33. Qe3 Qe5 34. h3 h6 35. Qf3 Kg8 36. Ne3 Ng3 37.
Nf1 Nfe4 38. Nxg3 Nxg3 39. Kh2 Ne2+ 40. g3 f5 41. h4 f4 42. gxf4 Nxf4 43.
Kg3 Ng6+ 44. Kh3 Qe6+ 45. Qg4 Qxg4+ 46. Kxg4 h5+ 47. Kxh5 Kf7 48. Kg5 Ne7
49. h5 Kg8 50. Kf4 Kh7 51. Kg3 g5 52. hxg6+ Nxg6
*

• Re: Chesstiger 15 bug in EGTB position with en-passant move Victor Zakharov 12:16:33 09/12/03
• Re: Chesstiger 15 bug in EGTB position with en-passant move Christophe Drieu 11:19:33 09/12/03
  • Re: Chesstiger 15 bug in EGTB position with en-passant move George Tsavdaris 14:57:25 09/12/03
    • Re: Chesstiger 15 bug in EGTB position with en-passant move Vincent Lejeune 16:30:40 09/12/03
      • Re: Chesstiger 15 bug in EGTB position with en-passant move George Tsavdaris 02:25:07 09/13/03
  • Re: Chesstiger 15 bug in EGTB position with en-passant move Vincent Lejeune 11:33:03 09/12/03
    • Re: Chesstiger 15 bug in EGTB position with en-passant move George Tsavdaris 13:06:36 09/12/03
    • Re: Chesstiger 15 bug in EGTB position with en-passant move Vincent Lejeune 11:36:14 09/12/03
• Re: Chesstiger 15 bug in EGTB position with en-passant move John Merlino 09:22:59 09/12/03
• Re: Chesstiger 15 bug in EGTB position with en-passant move m.d.hurd 08:27:00 09/12/03

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