Author: martin fierz
Date: 01:35:08 07/06/01
Go up one level in this thread
On July 05, 2001 at 16:23:15, Vincent Diepeveen wrote: >On July 05, 2001 at 13:22:18, Gunnar Andersson wrote: > >>On July 05, 2001 at 07:54:24, Vincent Diepeveen wrote: >> >>>Regrettably its only usage was in a game where the one eyed program >>>with probcut was king in the land of the blinds, as we use to say >>>in dutch. >> >>That one eyed program beat the human world champion 6-0 in a match without >>breaking a sweat. >> >>Try playing that program, Logistello, or indeed any strong program (Kitty, >>WZebra, etc) searching 4 plies without extensions. Unless you're a very strong >>player, the program will outplay you positionally. >> >>/ Gunnar > >I'm not trying to take down the efforts put in programs. > >What i mean is that if you compare heuristics in a game where a few >heuristics can completely search the game space, then what a 'search >enhancement' gives can be wrongly understood as a good enhancement >in games where you cannot completely search the game space. MPC works for othello and obviously for checkers. othello has a *much* larger game space than checkers, so you cannot say that it is a simple game to solve. besides, it is far from solved, AFAIK. >Checkers is a pretty simple game compared to draughts, let's put it that >way. still - what difference would that make? just because the rules are simple doesnt necessarily mean that a search algorithm would or would not work... >There are no professional checker players as far as i know. and i don't know what this has to do with MPC? >Chinook would have been a lot less dominating if there was money to earn >writing checker programs! i don't think so. they had or have the 8piece database. you need LOTS of resources to compute that. at the time they did it, it was a big achievement. >If an algorithm works for a simple game, doesn't mean it's a correct >algorithm in another game. and it doesnt mean that it's incorrect either! cheers martin
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