In Part 1 of my March interview with Garry Kasparov, he repeated his well-known suspicions and accusations about human interference in the 1997 match with Deep Blue. He repeated his demands for evidence that DB was "real." This business as usual was fresher because of his retirement and the recent distribution of the movie "Game Over: Kasparov vs the Machine," which focuses on these suspicions.
The refrain "why don't they release the logs?" was a significant part of the conspiracy battle cry. Kasparov asked for them during the match (which would have been anti-competitive, at least for him to have access instead of his technical advisor or arbiters). This was reiterated right after the match, when IBM team leader CJ Tan said the logs would be published "in the near future."
That turned out to be years later, although the precise date isn't clear. The earliest reference I can find to the game and log page at the IBM site is May 1, 2000 in a Usenet post from Taiwan. For something of such apparent importance, it received astonishingly little attention. There are only a handful of links to the page and the logs, but it seems clear that they were available by May 1, 2000, almost exactly three years after the match. [It now seems that March 2, 2000 is the earliest date tracked. See below.]
Deep Blue designer Feng-Hsiung Hsu said in a 2002 interview on the ICC (coinciding with the release of his book), that "Kasparov received all the relevant log [sic] he asked for right after the match." (More on that in the NY Times here).
Yesterday Kasparov said he had not been not aware that the logs were available until I told him and that he is eager see them analyzed and the evaluations compared with those of Deep Junior and Deep Fritz. His ignorance of the logs' availability would seem improbable, except that I didn't know about them either, at least not in such a complete form. (Some segments were given to the NY Times a while back.) This is more than a little embarrassing because it would have been nice to go through this with him while he was here. I also feel stupid "breaking" five-year-old news.
More bizarre is that as far as I recall, no mention of the log availability is made in "Game Over." (Amusingly, I wasn't sent a review copy of the US DVD release. I'm in the film, but am not a member of the "Chess Journalists of America," whose members got review copies. From all I've ever been able to tell, the CJA exists to give itself awards (a comical 40 categories) and, we can now add, get the occasional free DVD.) They talked with members of the IBM team, so why didn't this come up? Didn't Benjamin or someone else tell them the logs were available online? It's either a glaring error or an intentional omission so as not to deflate the conspiratorial tone of the film. I'll ask the director and maybe Joel can chip in here or by email.
You can't say "everybody knows" they are available because it's clear that's not true. The release of the logs received very little coverage, as Google attests. Feng-Hsiung Hsu says he wouldn't read the Khodarkovsky book on the match, so it's not surprising Kasparov doesn't read Hsu's stuff. Still, this is rather much considering the film and the jihad Kasparov has waged.
I hope this will finally put the nail in the human interference coffin for Kasparov. IBM behaved badly, possibly even with intent to provoke Kasparov's paranoia. But we can't confuse sharp practice with OTB cheating. The human interference angle has been dead to me for years since today's programs emulate Deep Blue's play, even the moves that in 1997 were acclaimed as human-like. DB was simply five or six years ahead, hardly a surprise.
Of course if you think IBM cheated at chess, doctoring the logs would be a relatively minor charge. Let's hope it doesn't go that far. I'd still like to know when they were first released, why it took so long, and who finally authorized it. Have they ever been comprehensively analyzed?