Author: blass uri
Date: 03:03:43 05/23/99
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On May 23, 1999 at 05:19:11, Dave Gomboc wrote: >On May 22, 1999 at 21:51:18, Chuck wrote: > >>On May 22, 1999 at 20:59:35, Mark Young wrote: >> >>>In the game played today with GM Rohde's we have another example of Rebel 10's >>>tactical blindness with its 26th move f4. This is just the latest example of >>>Rebel 10's tendancy to miss tactics that other programs understand with ease. I >>>understand that all programs miss some tactics from time to time, but Rebel 10's >>>frequency of tactical blindness is perplexing to me. It misses stuff that other >>>programs see in seconds, even after playing a blunder its evaluation my not drop >>>for many moves before understanding the danger. >>> >>>In the latest example I gave the position to Rebel 9, it had no problem seeing >>>that both 26. f4 and Bxb7 lose quickly and playing the correct 26. Bg2 as other >>>programs play. >>> >>>On the other hand even after the move 26 f4, Rebel 10 still think it has an >>>advantage for almost 4 mins, before seeing the error of 26. f4. >>> >>>Is this tactical blindness a bug in Rebel 10, or a justifiable design choice to >>>let rebel strengthen other areas of its play? >> >>Probably only Ed Schroder can answer your question, but I don't think that >>Rebel 10 was that much out 'on it's own'. It takes Fritz 5 better than 2 minutes >>on my AMD K6-2 350 to select Bg2 (I didn't officially time this). But Robert >>Hyatt mentions that some strong players (GM's?) stated that White is lost after >>Bg2 as well. I see that Bg2 relieves the threat of a Black Queen check on the >>1st rank, or rather the mate threat involved there, and studying the position >>from there I would hazard that White might hold. If someone gets any Grandmaster >>analysis I would like to see it posted. Of course, I've lost games myself >>following grandmaster analysis before, but as this game shows, it's still the >>best opinion we have. >> >>Chuck > >I thought I saw someone post the win after Bg2 in one of the posts here. But I >don't recall which, sorry. :-) You can scan through them if you are desperate, >I guess. > >Dave If you mean to Paul Richards then I think that he did not give the right line for white. After Bg2 Qc2 Qe1 is the right move and not the passive Qf1. Uri
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