Author: Albert Silver
Date: 06:05:14 05/31/03
Go up one level in this thread
On May 31, 2003 at 07:32:21, Mike Hood wrote:
>On May 31, 2003 at 00:27:40, Albert Silver wrote:
>
>>On May 30, 2003 at 20:41:21, Art Basham wrote:
>>
>>>Today in a match, I watched the new Fritz 8 play...
>>> Bxh6...! and went on to win...
>>>(I was black...played by Junior 5)...
>>>
>>>[D]r1b2rk1/1ppq1pp1/2nbp2p/p6Q/2NPB3/2P5/PP3PPP/R1B1R1K1 w - - 0 14
>>>
>>>I thought this might be a good "test move" for other engines and programs
>>>to try to find...if possible...:-)
>>>
>>>Art
>>
>>If possible? The sac is awfully basic and the Bxh6 theme is really one of the
>>most played king assault sacs. Really, if this came as a surprise read up some
>>books on tactics. The reason is that these types of attacks need to be rote.
>>Kingside attack tactics are always the same: The king is either on g8 or h8 and
>>one is saccing or preparing to sac on any of the squares around to invite
>>everyone to the party. If the sac holds up check when the sac is refused, and
>>always check for countersacs or zwischenzugs.
>>
>
>If I may be allowed to answer on Art's behalf... I think his surprise was at the
>fact that a chess program selected this move. It's a very obvious move for human
>players (even a player as weak as myself!) but chess programs are very
>materialistic and usually only make "sacrifices" if they can see a way to win
>back the material within their move horizon.
So? This move wins material in very few moves. If one takes the bishop it is
almost instantly disastrous, and if not it's a free pawn plus the initiative.
Albert
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