Author: Robert Hyatt
Date: 11:24:03 01/18/00
Go up one level in this thread
On January 18, 2000 at 09:33:32, Andreas Stabel wrote: >On January 18, 2000 at 09:24:18, Robert Hyatt wrote: > >>On January 18, 2000 at 08:36:58, Vincent Diepeveen wrote: >> >>>On January 18, 2000 at 07:16:01, blass uri wrote: >>> >>>>On January 18, 2000 at 06:27:06, Vincent Diepeveen wrote: >>>> >>>>>On January 17, 2000 at 16:08:04, Jeremiah Penery wrote: >>>>> >>>>>>On January 17, 2000 at 14:39:35, Vincent Diepeveen wrote: >>>>>> >>>>>>>On January 17, 2000 at 14:32:28, Dann Corbit wrote: >>>>>>> >>>>>>>>I see that there are programs that can solve NOLOT #8. >>>>>>> >>>>>>>Ferret. >>>>>>> >>>>>>>>I also understand that that position was shown to be in error. >>>>>>> >>>>>>>No that's a big lie. >>>>>> >>>>>>What are you talking about?? >>>>>>The given analysis _was_ in error. 3. ...gxf6 is not the best move, as you even >>>>>>pointed out. >>>>> >>>>>gxf6 is THE PROBLEM to see for programs. >>>>>if a program doesn't need to consider gxf6 then it finds at say 7 ply >>>>>or something the Bxh7 move. >>>> >>>>It depends on the evaluation function of the program. >>>>I think that I read that deep thought saw that the line with gxf6 is losing but >>>>prefered not to play Bxh7 but play another move with the idea to play Bxh7 in >>>>the next move >>> >>>that is highly unlikely. what we need is: >>> - search output of deep thought in root >>> - search output of deep thought after bxh7 kxh7 qh5 kg8 rd4 bf3 >>> >>>If the last output is better for white at 6 ply for deep thought than >>>the root score then we can talk further. >>> >>> >>> >>>>Uri >> >> >>I believe Bruce posted this already, some while back. And either Hsu or >>Campbell mentioned the same thing. Nothing said they were correct, but that >>the move they suggested (actually the mov DT suggested) might be better because >>it eliminated one tactical resource that made it harder to find. > >I've been digging in some old directories and have come up with the following: >8 ;r3;r;b;k1/;p;p;q2;p;p;p/2;b1;pb2/8/6q1/1p1b3p/p1p2pp1/r2r2k1/40 > >White to move > >8 R * - * R B K * >7 P P Q - * P P P >6 - * B * P b - * >5 * - * - * - * - >4 - * - * - * q * >3 * p * b * - * p >2 p * p * - p p * >1 r - * r * - k - > > a b c d e f g h > >Source: Gufeld-Osnos, USSR 1978. > >The move played was 1. Bh7, but as it turns out 1. Bh7 might not be the >best move. Osnos defended poorly and got slaughtered. With best black >defence, white only maintains a positional edge after 1. Bh7 Kh7 2. Qh5 >Kg8 3. Rd4 Bf3! (with the idea of Qxc2, and then Q to king side to defend >the king). DT-2 prefers to play c4, which threatens Bh7 for real. > >Regards >Andreas Stabel Incredible "digging". :)
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.