Author: Uri Blass
Date: 14:35:07 06/24/02
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On June 24, 2002 at 11:24:37, stuart taylor wrote: > >> >>=============================== >> >>[d]r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - - bm Bxg6; >>Rebel Century 4 : 38 seconds (11 ply) >>Rebel XP beta 1.01 : 21 seconds (11 ply) >> > >I like this position quite alot, because it's so easy (I mean tangible) for a >reasonably intelligent human to see clearly. >This is an example of a position which I always wanted to know if anyone of >2200 elo would ever miss. >Although I havn't seen it on a computer, so I may well be wrong, I still think >it is clear after ...Bxg6 (2) PXB R-7 check (3) RXR PXR (4)KXP What's the next >move? Yes > > > > > > > > > > > > > > > > > > >4...Re8. Etc. >From the point before B-g6 I'd be interested to know how many at 1800elo would >not find it easily in a game. The problem is not to find these moves but if these moves are better than the alternative. White is losing a rook and bishop for promoting the pawn to queen and there are other deals. I did not analyze it to find if the move is the best but movei does not find this line because it prefers other moves and the problem is not seeing Re8 and the previous moves. I believe that it should have no problem to find the moves if it use a bigger value for the queen(I will check it tomorrow) >Anyway, for computers it must be slightly more difficult than for humans. It >involves human logic. >S.Taylor I do not think that it involves logic that is special for humans. Uri
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