Author: Kim Roper Jensen
Date: 05:55:11 06/09/05
Go up one level in this thread
On June 09, 2005 at 03:48:23, Darrel Briley wrote: I have also played a game against this chess program and won, on the hard level. But as it says it needs lots of games before the strength increases, so maybe we just have to wait - or play lots og games to train the engine/program. >Just installed it to check it out. The default setting is medium so I played at >a game at this setting, and won rather easily. Unfortunately it appears the >game is not saved and so cannot be shared. The medium setting is what I would >consider fairly weak. The available settings are Easy, Medium, and Hard. I >haven't tried hard yet. > >Here's something from the page: > >"The story of the Accoona chess AI > The Accoona AI Chess Game is an experiment in Artificial Intelligence. > >Normally a chess program is programmed to do a "search", i.e. play through >thousands of possible continuations in memory, compare the outcome of each line >and then pick the one that appears most promising. > >The critical part is evaluating the positions at the end of each line. This is >done by telling the program as much as possible about the value of the different >chess pieces, the importance of mobility, center control, king safety, pawn >structure, and about 30-50 other criteria. This knowledge comes from centuries >of chess research. > >The Accoona AI Chess Game takes a different approach. It has received only very >rudimentary chess knowledge from its programmers, and thus takes a very naive >view of the game. But it learns. It plays like a beginner who is slowly finding >out which strategies are good and which cause him to lose the game. > >Naturally it is not the tiny Java program that you are playing against that does >all of this. It merely plays and then reports back to the main chess >intelligence, located in the Accoona Chess AI lab, on what has transpired. This >AI is driven by the analytical tools of Fritz, the world's premium chess playing >software, and the German chess database company ChessBase. > >Based on the analysis of tens of thousands of games received by the central >server the Accoona AI modifies the evaluators of the Java applet, which becomes >progressively stronger the more games it plays. It is modifying its opinions and >discovering new ideas and strategies all the time. You can watch it "learn from >experience" and grow more intelligent month after month. > >We would like to mention one other aspect of this AI experiment. The Accoona AI >Chess Game also analyses the way humans, especially rank amateurs, lose their >games against the program. And it tries to emulate this weak human playing style >for its "Easy" level. After all the vast majority of visitors to this site are >casual players who don't have a snowflake's chance in hell to beat this machine. >But just wait .. it will become creatively weak in Easy mode. > >News and reports on progress of the Accoona AI Chess Engine will be added here. > > DB
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