Author: Steffen Jakob
Date: 04:23:47 02/02/00
To all authors of programs which play the ICC tournament. I would like to know if you make changes between the rounds. I guess that most amateurs are doing so, but the commercial ones don't. I talked to Chrilly Donninger and his opinion is that a main difference between the commercial programs and the amateurs is the stability, which I think is true. E.g. I had a stupid permanent brain bug which made Hossa blunder against Nimzo in the first round in a position which was probably won: [D]6R1/7p/4ppk1/p2p4/3P1B1p/2n1P3/q5PK/1R6 b The result of the bug was that Hossa played almost immediately with a short search, and the move was Kf7. If Hossa would have thought one second about this position it would have played Kf5. The problem was that I saw this bug two times in the game against Nimzo. The first time it occured he played a good move but the second time he ruined his position (and I don't think that I wont get such a chance very soon again). This bug was very ugly, because playing 2 or 3 moves with a very short search in a standard game is almost deadly. So I implemented a very quick and dirty workaround even before round 2 (there really was not much time) and a much better workaround for round 3 + 4. What about others? Do you avoid any changes or did you also find some serious bugs which you try to fix between the rounds. Best wishes, Steffen.
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