Author: Chessfun
Date: 20:14:04 02/19/01
Go up one level in this thread
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) rn2kb1r/ppn1p1pp/2p1Ppb1/3q4/3N2P1/1QP4P/PP1N1P2/R1B1KB1R b KQkq - 0 1 Analysis by Junior 6.0: On thunderbird 900 at 945 mhz with 128 mb hash. 12...Qxh1 13.Qxb7 Kd8 14.N2f3 Bd3 15.Bf4 Qxf1+ 16.Kd2 Qxf2+ 17.Kxd3 Nba6 18.Bxc7+ Nxc7 19.Nxc6+ Ke8 20.Ncd4 Kd8 = (0.00) Depth: 17 00:01:31 57667kN 12...Qxh1 13.Qxb7 Kd8 14.N2f3 Bd3 15.Bf4 Qxf1+ 16.Kd2 Qxf2+ 17.Kxd3 Nba6 18.Bxc7+ Nxc7 19.Nxc6+ Ke8 20.Ncd4 Kd8 = (0.00) Depth: 18 00:05:22 199587kN 12...Qxh1 13.Qxb7 Kd8 14.N2f3 Bd3 15.Bf4 Qxf1+ 16.Kd2 Qxf2+ 17.Kxd3 Nba6 18.Bxc7+ Nxc7 19.Nxc6+ Ke8 20.Ncd4 Kd8 = (0.00) Depth: 19 00:13:21 496604kN 12...Qxh1 13.Qxb7 Kd8 14.N2f3 Bd3 15.Bf4 Qxf1+ 16.Kd2 Qxf2+ 17.Kxd3 Nba6 18.Bxc7+ Nxc7 19.Nxc6+ Ke8 20.Ncd4 Kd8 = (0.00) Depth: 20 00:29:23 1084318kN 12...Qxh1 13.Qxb7 Kd8 14.N2f3 Bd3 15.Bf4 Qxf1+ 16.Kd2 Qxf2+ 17.Kxd3 Nba6 18.Bxc7+ Nxc7 19.Nxc6+ Ke8 20.Ncd4 Kd8 = (0.00) Depth: 21 01:03:15 2383009kN 12...Qxh1 13.Qxb7 ² (0.30) Depth: 22 03:04:50 2901138kN Sarah.
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