Author: Robert Hyatt
Date: 07:29:02 11/16/00
Go up one level in this thread
On November 16, 2000 at 09:14:38, Peter Berger wrote: >On November 16, 2000 at 09:07:23, walter irvin wrote: > >>to me programs fall into 2 list bean counters and knowledge based . >>bean counters >>fritz >>junior >>nimzo >>lg2000a >> >>knowledge based >>shredder >>hiarcs >>rebel >>tiger >>diep >>crafty >>king >> ><snip> > >Could you post an example for a position where for example Crafty shows superior >chessknowledge compaired to Junior ? > >pete Since I don't have any commercial program, I can't test them, but here is one simple test, just for fun. Evaluation after 1 ply search... [D]4k///3pp/1P4P///4K w This is just one test, of many. The idea is that last year, a GM friend of mine tried this against a couple of well-known programs, and both preferred black with the two connected passed pawns. This would be correct if there were lots of pieces left on the board. But in this position, the white king can stop the black pawns easily. The black king has a problem. It would be interesting to see how other programs handle this. My static eval is +1.5, for instance, although a 1 ply search will produce the same score, approximately. If you want, we can try a few of these for fun, for anyone willing to participate. I hate to give away all my 'secrets' of course, but since Crafty is open source, nothing is really secret. :)
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