Author: Ed Schröder
Date: 23:22:21 09/05/98
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>I have always been interested in this question of intransitivity >between humans and chess programs. A lot of people claim, almost >always based on some anecdotal evidence, that various programs >are much better or weaker against humans or other programs and >that huge intrasitivities exist. My own thinking is that this >is minor, but I know I'll get a lot of disagreement here. >I can't tell you how many times I have heard this type of >conversation: "I played a game with program >X and got crushed, then I played a game with program Y and >won easily. But when I played the two programs together, >program Y demolished program X." From a measly 3 games >can you come to the conclusion that program X is not very >strong against other programs but is "crushing" against >humans? >But once you form a conclusion, then you start noticing the >events that reinforce your conlusion and you minimize the >events that do not. Usually, the opinion propogates to other >people if it gets stated enough times. >Here are the ones I have heard but have serious doubts whether >they are true, or at least crystal clear: > 1. Novag machines a much better against people but no good > against other programs. > 2. Genius is not very good against people but crushes other > computers. > 3. Genius is particularly good aginst people, but just so-so > against other programs (yes, I've heard both cases stated > as facts.) > 4. Deep Blue will crush any computer but is not much better > that micro programs against humans. > 5. Any kind of forward prunning or selectivity will help a > lot against humans but is not so good against computers. > 6. Same as 5 but reversed. Hi Don, That's why I asked for the statistics of chess programs playing humans so we can compare and discuss. I have given mine. On my home page I have a database with the following items: - Unique database of the most famous Man vs Machine events. - AEGON 1991-1997 complete! - Harvard Cup 1989-1995 - Special matches like Deep Blue-Kasparov, Rebel-Yusupov etc. - Total 1900 (!) games The direct download address is: http://www.rebel.nl/mvsm.zip - Ed - >- Don
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