Author: Dave Gomboc
Date: 01:20:27 05/19/99
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On May 19, 1999 at 03:43:12, blass uri wrote: > >On May 19, 1999 at 02:57:40, Dave Gomboc wrote: > >>On May 19, 1999 at 02:07:28, blass uri wrote: >> >>>There is an assumption that the best moves are Qd2,Be3,d5. >>> >>>Is there an evidence for these assumption? >>> >>>can someone suggests a tree that proves to programs (not Hiarcs7,Junior5) that >>>Qd2 Be3 d5 are the best moves? >>> >>>Uri >> >>In these cases, the evidence is probably that human GMs have been playing those >>moves for a long time. Computers are strong enough that this evidence is weaker >>than it used to be. > >If computers are strong then the fact that some programs cannot find these moves >is an evidence that these moves may be not correct. Well, let's pick a particular example. Qd2 (in the main-line Rauzer) is not likely to be absolutely incorrect. That some computers will pick Bb5 even after a long think suggests that it is an alternative playable move, though. Normally White castles queenside, and doesn't want to help Black expand on the queenside, but presumably there is some reason why e.g. Crafty (even after thinking for 10 hours :) thinks Bb5 is still playable. I intend to look at this more closely when I have some time. It may really piss off opponents who have been booked up on Qd2 for 20 years. :-) >> I think many of the novelties discovered today are >>discovered by software programs. > >I believe that computers also do many bad moves that humans do not do in the >opening(If they have not an opening book) and if you take the cases that >computers suggest move that is not in the theory then in most of the cases it is >worse move and not a better move. I agree again. :) This is especially true early on in theory. When you get nearer to the end of lines though, it seems to me that the human is wrong more often than not. One often sees "with a big attack (clear advantage to Black)" even though Black is down a couple of pawns or something, let the computer grind on it, and it seems to like White's position just fine. You try all the attacks you can think of, it handles every one. So now what is the story? Is the GM wrong? Or did I just miss the right continuation? Hubris that it may be :), I often conclude that the GM made an error. >Uri Dave
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