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Subject: Re: Is This A Draw?

Author: Eduard Nemeth

Date: 02:42:13 12/09/02

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On December 09, 2002 at 03:46:04, Michael Neish wrote:

>
>Hello,
>
>My program, which usually gets plastered by Crafty 18.08, reached the following
>position as Black after WhiteÕs 51st move:
>
>[D]8/7k/6p1/1p6/q3N3/5Q2/8/1K6 b - -

I BELIVE THAT THIS IS AN DRAW POSITION:

eduard

>
>My question:  is this a draw?  I presume that White should be able to win both
>of BlackÕs Pawns thanks to its Knight, but is QN vs. Q a draw?  What do the
>tablebases say?  I stopped the game at this point, not wanting to spend a long
>time on an ending that might never end.
>
>If anyoneÕs interested in the game, IÕve pasted in the moves below.  Details: 10
>seconds per move, ponder off (for both programs - actually mine hasnÕt got
>ponder yet!), no tablebases.  My programÕs dodgy evaluation function sometimes
>makes it trade a minor piece for two Pawns for the sake of winning a passed Pawn
>or two.  This could be what happened here, but for once it didnÕt get
>steamrollered.
>
>Cheers,
>
>Mike.
>
>[Event "?"]
>[Site "?"]
>[Date "2002.12.09"]
>[Round "?"]
>[White "Crafty 18.8"]
>[WhiteElo ""]
>[Black "unknown"]
>[BlackElo ""]
>[Result "*"]
>
>1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Ne7
>7. Bb5+ Nd7 8. Qd2 O-O 9. Bh6 Bxh6 10. Qxh6 c6 11. Be2 d5 12. O-O-O
>dxe4 13. Nxe4 Nd5 14. Rhe1 Re8 15. Nd6 Rf8 16. c4 Nb4 17. Qd2
>c5 18. Nb3 Ne5 19. Kb1 b6 20. f4 Nec6 21. Bf3 Qc7 22. f5 Rd8
>23. g4 Rb8 24. fxg6 hxg6 25. a3 Be6 26. axb4 Bxc4 27. Qc3 Bxb3
>28. Nb5 Qxh2 29. Rxd8+ Rxd8 30. Bxc6 Rd1+ 31. Rxd1 Bxd1 32. bxc5
>Bxg4 33. cxb6 Bf5+ 34. Ka2 Be6+ 35. Ka3 axb6 36. Qe3 Qc2 37. Nd4
>Qc5+ 38. b4 Qc4 39. Nxe6 Qxc6 40. Nd4 Qd6 41. Nb5 Qc6 42. Nc3
>f5 43. Na4 b5 44. Nc3 f4 45. Qd3 f3 46. Ne4 Qc1+ 47. Kb3 Kh7
>48. Qxf3 Qc4+ 49. Kb2 Qxb4+ 50. Kc2 Qa4+ 51. Kb1 *



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