Author: Uri Blass
Date: 05:53:18 02/19/01
Go up one level in this thread
On February 19, 2001 at 07:00:04, Enrique Irazoqui wrote: >On February 19, 2001 at 06:22:44, Uri Blass wrote: > >>On February 19, 2001 at 06:10:55, Enrique Irazoqui wrote: >> >>>On February 18, 2001 at 23:18:12, Uri Blass wrote: >>> >>>>On February 18, 2001 at 01:22:38, Tanya Deborah wrote: >>>> >>>>> >>>>> >>>>> >>>>>Hi to all, >>>>> >>>>>This is a beautiful game by the Great Master Leonid Stein. >>>>>I am interested to know, How many programs can avoid the fatal mistake 21.Qxh1? >>>>> >>>>>Deep Fritz can avoid that!!!, Deep Fritz can see that Qxb3 is better than Qxh1. >>>>> Junior6 and Hiarcs7.32 and Fritz6 can´t avoid that... >>>>> >>>>>The position is very interesting, in this kind of position you can see some >>>>>computer weak points, (the machines sometimes have so much appetite, and can´t >>>>>see the great atack by White after move 21. >>>>> >>>>>Another question? Which program can find 12.Qb3! ???? (with a winning endgame) >>>>>- because after change Queens, White is much better. I think there are no >>>>>program that can find this move. >>>> >>>>I think that you are wrong and there are programs that can find 12.Qb3 in less >>>>than an hour on fast hardware(I guess that Junior is one of them because >>>>Junior5.9 on p200 can find 12.Qb3 in less than 4 hours with 0.00 evaluation) >>> >>>I didn't try Junior yet, but on a dual P933 with 512 MB hash, Deep Fritz plays >>>12.Qb3 after 49 minutes. A beta I have of another "Deep" program takes 92 >>>minutes to pick 12.Qb3. >> >>I guess that this program has also a positive evaluation for Qf3. > >To a given depth they all do. Crafty and Junior have an evaluation of advantage for black for the move Qf3 and this is the reason that it is more easy for them to find Qb3 with an evaluation of 0.00. Uri
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