Author: Jouni Uski
Date: 22:21:56 03/27/02
Go up one level in this thread
On March 27, 2002 at 09:27:51, David Dory wrote: >On March 27, 2002 at 05:28:28, Jouni Uski wrote: > >>[D]8/B5pp/4k3/P7/6n1/8/P6P/7K b - - 0 41 >> >>Crafty as black played Nxh2!!(??). Yes the game ended draw so the move is >>probably correct, but I doubt, that Crafty's evaluation really understand this. >>E.g. if white plays a6 then black has no way to a8 square... > >I don't see that. Black king is INSIDE the "square" of the a5 pawn after you add >one more move because the White bishop has to get out of the way of the pawn. > >It may LOOK crazy, but just count the squares and moves up! >What does Crafty 17.14 like as a move for Black in this position?? Does it do >any better? > >If Nxh2 was such a bad move, Yace would have immediately jumped on a6 and won!! >But it didn't, so although it looks bad perhaps, to humans, it's a good move. >With White pawns on both edges of the board, the Bishop would certainly be >favored to win against a Knight. > >I haven't seen any matches where 17.14 was better than 18.14, have you? > >Since you have them both, why don't you run a match with standard time controls >and see how each one does? Be fair about hash table size and book! > >>Crafty 18.14 is clever endgame player, but still I am disappointed, when >version 17.14 solves 4 positions more in my 40 position endgame test and also >17.14 is on average about 30% faster in all postions! > >Test suites are crap for comparing engine to engine strength OTB. IMHO. >Very crude indicators, only. > >I think your enthusiasm is great, but knowledge is just not something you can >readily see and measure easily in a chess program. Not like NPS. > >My belief is forget the NPS, forget the test suites. > >Play a match or three, VERY FAIRLY! ** Then you'll know **. > >I'll be surprised if 18.14 is worse than 17.14. > >Dave I played also 40 games match and 17.14 won 18.14 by 21,5-18,5... Jouni
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