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Subject: Re: are there mistakes in this game?

Author: Mark Young

Date: 16:13:22 10/22/98

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On October 22, 1998 at 16:39:32, Howard Exner wrote:

>On October 22, 1998 at 11:32:56, blass uri wrote:
>
>>
>>On October 21, 1998 at 19:20:01, Mark Young wrote:
>>
>>>[Event "Mark vs Rebel 10"]
>>>[Site "Home"]
>>>[Date "1998.10.21"]
>>>[Round "1"]
>>>[White "Mark Young"]
>>>[Black "REBEL 10.0"]
>>>[Result "1/2-1/2"]
>>>[WhiteElo "1500"]
>>>[BlackElo "2350"]
>>>[ECO "A41"]
>>>
>>>1. d4 d6 2. c4 e5 3. e3 Nd7 4. Nc3 Ngf6 5. Nf3 Be7 6. Be2 O-O 7. O-O Re8
>>>8. Qc2 Bf8 9. dxe5 Nxe5 10. Rd1 Nxf3+ 11. Bxf3 Bg4 12. Bxg4 Nxg4 13. h3
>>>Ne5 14. b3 Be7 15. Nd5 Bh4 16. Bb2 c6 17. Nf4 Qe7 18. Qc3 a6 19. Nd3 Bf6
>>>20. Nxe5 Bxe5 21. Qc2 Rad8 22. Bxe5 dxe5 23. Rxd8 Rxd8 24. Rd1 Rxd1+ 25.
>>>Qxd1 f6 26. Qd3 g6 27. Kf1 e4 28. Qd4 c5 29. Qd5+ Kh8 30. Ke2 h5 31. f3
>>>f5 32. f4 h4 33. Kf2 Kg7 34. Ke2 b6 35. Kf2 Qf6 36. Qd7+ Kh6 37. Qd2 b5
>>>38. Ke2 Qa1 39. Kf2 b4 40. Ke2 a5 41. Kf2 Qf6 42. Ke2 g5 43. fxg5+ Kxg5
>>>44. Kf1 Kh6 45. Kf2 Kg7 46. Qd7+ Kg6 47. Qd2 Kh6 48. Kg1 Qa1+ 49. Kh2 Qe5+
>>>50. Kg1 Qg3 51. Qf2 Kg5 52. Qxg3+ hxg3 53. Kf1 Kg6 54. Ke2 Kh5 55. Kd2
>>>Kg5 56. Ke2 Kg6 57. Kd2 Kh5 58. Ke2 Kg5 59. Kd2 Kh5 60. Ke2 Kg5 61. Kd2
>>>Kh5 1/2-1/2
>>
>>I tried to find mistakes and could not find.
>>Are there mistakes that I did not see?
>>
>>Maybe 10...Nxf3+ and 11...Bg4 are practical mistakes but not objective mistakes
>>
>>Maybe Rebel10 played objectively right moves but it is not enough to win against
>
>I've seen games of this sort with exchanges of heavy pieces referred to as
>sterile games, in that there is really nothing left to play for. The
>exchanges along the open file and the resulting lack of pawn breaks
>is at times unaviodable. However this does expose a weakness within software
>because they do not know what level of player they are up against and so always
>"play the board". It's unlikely that a GM would so willingly allow such
>wholesale exchanges against someone rated 600-1000 points below them.

You are 100% correct, no human player of any rating would allow me to do this. I
was hoping Rebel 10 anti-gm, would stop this kind of anti-computer play, but it
was not the case. At least at 30 sec. a move.


>Perhaps programs of the future will ask the opponent to input his name and
>rating and then use that info to change its style of play.
>
>On move #40 I thought that Rebel 10 might mix it up a bit with Qg1
>instead of the move a5. White should still draw with best play but it
>may have posed a 1500 player more problems.



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