Author: Howard Exner
Date: 01:30:52 11/12/98
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On November 11, 1998 at 16:34:22, Robert Hyatt wrote: >On November 11, 1998 at 16:00:38, Howard Exner wrote: > >>Typo on the header. >> >>3r2k1/p4ppp/2p5/Np6/7N/BP1n2PP/P1b3B1/6K1 b - - id id "Markowski - Shirov"; >> bm b4; >> >>Here is the other position from the Chess Life Shirov article. His comments are: >> >>"Again the same story. Playing against the computer, White could be confident >>that 23 ... b4 would not be played." > > >this is all a waste of time to read and comment on. Someone took several of >these "positions" and tried them on Crafty... the results were posted on >r.g.c.c a few weeks ago... a couple it got quickly, none took a day... He is >grossly misinformed here... I haven't dropped over to RGCC for quite some time. This is all new stuff to me as I just received my Chess Life 2 days ago (it always arrives later in my neck of the woods). Maybe Shirov will have to back up his statements like an old wild west cowboy and offer to shoot it out at high noon with a 40/2 match. > > >> >>and later he states, "Maybe after some 10 years the program will find 23 ...b4" >> >>Well in this position Rebel in Default mode with Combination Off (as is Rebel's >>setting when playing games) it took 17:29 to play b4. True this is not within >>normal tournament time controls but who knows what would happen in a 40/2 >>game. If Rebel was thinking on the opponents move and the opponent took >>10 minutes to move with a correct prediction by Rebel as to the opponents move >>then maybe it would be played. Also telling is how Rebel 10 came about playing >>b4. Up to the 12th ply Rebel likes the move c5 ( ply 12.00 at 5:46) during this >>time it does not pay much attention to the move b4 as it is 12.13 in the >>iteration. By the time it starts to think of b4 it is 16:38 on the clock and >>then shortly after it chooses b4 as best (17:29) and holds on to this move. >>Machine is a K6-233 with 60 MB hash in Dos. >> >>So if b4 ended up higher on the iteration list it looks as if Rebel >>quite possibly could have snared this one also in a tournament game. >>Again, I'll wager that more than a few programs will find b4 in under 5 minutes. > >without a doubt...
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