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Subject: Re: test position - Does your program find Nxh7?

Author: Christophe Theron

Date: 20:26:50 11/27/02

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On November 27, 2002 at 14:55:34, Joshua Haglund wrote:

>On November 27, 2002 at 14:50:25, Uri Blass wrote:
>
>>On November 27, 2002 at 14:39:34, Joshua Haglund wrote:
>>
>>>On November 27, 2002 at 10:52:09, bobby palacios wrote:
>>>
>>>>[D] r3qrk1/pp1b3p/1nn1pbp1/3p2N1/3P4/2N5/PPB2PPP/R1BQR1K1 w - - 0 17
>>>>
>>>>
>>>>Here is a position that occured in a game between Ruffian vs Hiarcs 7.32 at game
>>>>in 25.  Ruffian won the game with a brilliant attack, but does Hiarcs 7.32 have
>>>>better defensive moves?
>>>>
>>>>The game continued:
>>>>
>>>>17. Nxh7 Kxh7 18.Qh5+ Kg8 19.Bxg6 Qe7 20.Re3 Be8 21.Rg3 Bxg6 22.Rxg6+ Bg7
>>>>23. Bh6 Rf5 24. Qg4 Rf7 25. Re1 e5 26. Qh5 Qe8 27.Nb5 Nc4 28. b3 a6 29. Nc3 Nb6
>>>>30. dxe5 Re7 31. Qg5 Qf8 32. Re3 Nd4 33. Rxb6 Rc8 34. Rf6 Qe8 35. Rg6 Qf8
>>>>36. Bxg7 Rxg7 37. Qh5 Rxg6 38. Qxg6+ 1-0
>>>
>>>If I were playing this game I would of definately taken the h7 pawn! I came up
>>>with a Sicilian version along with an Advanced version of the French Defense
>>>that led to a rather quick mate. While my rating is only around twenty two
>>>hundred, I think if a computer isn't programmed good enough, if it doen't even
>>>consider the gamble or possiblity of such a sacrafice, it's not programmed well
>>>enough.
>>>
>>>Joshua
>>>toneewa@yahoo.com
>>
>>You can be sure that almost every program considers Nxh7.
>>They do not choose it as the best move but it is another story.
>>
>>programs consider millions of lines and you can be sure that if the program has
>>no bug Nxh7 is the first move of part of them.
>>
>>Uri
>
>Indeed, that might be the case, but unlike Ruffian it does see the move rather
>quick. Thus, showing with rather impressive wins against top engines.
>
>Thanks for you response. :)
>
>Joshua
>toneewa@yahoo.com



Very interesting remark, especially when you know that Ruffian would reject Nxh7
if you give it more time.



    Christophe



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