Computer Chess Club Archives


Search

Terms

Messages

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

Author: Christophe Theron

Date: 20:25:02 11/27/02

Go up one level in this thread


On November 27, 2002 at 15:18:27, bobby palacios wrote:

>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
>
>Ruffian along with TheKing are two programs that are fun to watch.  They seem to
>have "intuition" and are less materialistic than other programs (sacrificing for
>an attack).  They may not be the best, but I prefer their style over Tiger or
>Fritz.



Chess Tiger 15.0 Gambit aggressive style would play Nxh7 instantly. It then
rejects it in favor of Be3, then picks Nxh7 again in 1min 24s (P4-1.6GHz, 96Mb
hash).

You want to see something fun to watch? Try Tiger with the Gambit styles...



    Christophe



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.