Author: Thom Perry
Date: 07:29:47 12/14/98
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On December 14, 1998 at 04:43:57, blass uri wrote: > >On December 14, 1998 at 04:07:12, Bruce Moreland wrote: > >> >>On December 14, 1998 at 00:12:19, blass uri wrote: >> >>>I do not know if it is a good sacrifice. >>>I suggest a simple test for it. >>>can you beat chessmaster,fritz5,Junior5 with the sacrifice(You have the right to >>>take back moves)? >>> >>>If you cannot then I suspect that it is a wrong sacrifice. >> >>I think this has to do with what a "real sacrifice" is. >> >>I wouldn't use the term to describe a situation where a piece is sacrificed in >>return for massive compensation against the king, in the form of increased >>tactical complexity. I would tend to use it in a case where you're still >>playing chess after the sacrifice, a case where there aren't extremely specific >>threats that need to be made and defended against, a case where there are >>resources for either side, and where compensation tends to be long-range. > >If the sacrifice is right then you can prove it by a game against programs. >I did not say a short game. >If you cannot beat chess programs by the sacrifice even after many moves when >you have the right to take back moves then I suspect that the sacrifice is >wrong. > >Uri >> >>bruce If the sacrifice is the correct move and forces a winning position, it seems to me that this should be fairly easy for the good chess programs to demonstrate: just let the program play out the game after the sacrifice. I'm going to do just that with MCP8 tonight and with the learning enabled. Then I'll replay it several times until MCP8 can find no better alternative, regardless of which color tends to win.
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