Author: Uri Blass
Date: 22:51:37 05/02/01
Go up one level in this thread
On May 02, 2001 at 23:04:05, Christophe Theron wrote: >On May 02, 2001 at 12:28:09, Robert Hyatt wrote: > >>On May 02, 2001 at 11:29:27, Christophe Theron wrote: >> >>>On May 02, 2001 at 02:26:08, James B. Shearer wrote: >>> >>>> I was playing a Gambit Tiger 2.0 clone on ICC a couple of days ago. I lost >>>>my queen (for 2 pieces) before move 20 but Gambit Tiger failed to convert the >>>>win allowing the position to become totally blocked leading to a draw by the 50 >>>>move rule at move 192. It seems there must be problems with the evaluation >>>>function for blocked positions (particularly when up material). >>> >>> >>> >>>The antihuman mode was not turned on I think. >>> >>>With antihuman mode it would not have happened. >>> >>> >> >> >>Why is this considered "anti-human"? IE do you want to draw such positions >>when playing a computer, but not a human??? > > > >I do not want to use the kind of wild stuff I do to open the position if I'm >playing against a computer. > >My time management and evaluation are working together in the case of antihuman >mode. One of the behaviour I try to address is the case where the guy >1) tries hard to close the position >2) when he is done, move a piece back and forth very quickly until the program >runs out of time and LOSES > >The antihuman mode is able to recognize this and to take extremely strong >actions to avoid it. One possible action is for example to sacrifice a knight on >a pawn in order to open the position. I know I can do this safely against a >human player who has been using the close+shuffle strategy, because when I do it >I know the guy has not enough time left to compute correctly. So even if I have >sacrificied a minor piece in order to open the position, I'm almost sure to win >the game by outsearching the human player in the resulting open position. > >Of course it's out of question to use this against a computer. I think it is dependent in the level of the computer. If the computer opponent is at least 300-400 elo weaker than tiger then I suspect that it may be a good idea to use it against the computer and there are amateurs that are at that level. Uri
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