Author: John Merlino
Date: 10:50:22 02/21/03
Go up one level in this thread
On February 21, 2003 at 13:36:32, Uri Blass wrote: >On February 21, 2003 at 13:30:13, John Merlino wrote: > >>On February 21, 2003 at 12:43:52, Sandro Necchi wrote: >> >>>On February 21, 2003 at 10:55:56, Eduard Nemeth wrote: >>> >>>>On February 21, 2003 at 10:30:39, Peter Kasinski wrote: >>>> >>>>>On February 21, 2003 at 10:18:19, Eduard Nemeth wrote: >>>>> >>>>>>On February 21, 2003 at 09:20:55, Peter Kasinski wrote: >>>>>> >>>>>>>Just took a look at the position after move 20 (White) and it looks like >>>>>>>Shredder is still in the book. Something tells me this one may go down as a >>>>>>>full point to IM Sandro Necci. >>>>>>> >>>>>>>PK >>>>>> >>>>>> >>>>>>[Event "12th IPCCC Paderborn"] >>>>>>[Site "?"] >>>>>>[Date "2003.??.??"] >>>>>>[Round "?"] >>>>>>[White "Shredder"] >>>>>>[Black "Fritz"] >>>>>>[ECO "B99"] >>>>>>[Result "*"] >>>>>> >>>>>>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 >>>>>>e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 h6 11. Bh4 g5 >>>>>>12. e5 gxh4 13. exf6 Nxf6 14. Rhe1 Bd7 15. Re3 O-O-O >>>>>>16. Bxa6 bxa6 17. Qa8+ Qb8 18. Qxa6+ Qb7 19. Qa5 Ng4 >>>>>>20. Rf3 Nxh2 21. Rh3 d5 22. Na4 Bxa4 23. Rc3+ Kb8 24. Qxa4 >>>>>>Rd6 * >>>>>> >>>>>> >>>>>>Shredder will now win! (+-) >>>>>> >>>>>>Last bookmove from white was 16. Bxa6! >>>>>> >>>>>>Great move ! >>>>>> >>>>>>Eduard >>>>> >>>>>I would have thought that the next few moves were from the book as well. For >>>>>example: after 17 Qb8 (played immediately - only move!) Shredder's 18 Qxa6 is >>>>>not forced and Shredder played it instantly... In any case - good opening >>>>>preparation. >>>>> >>>>>PK >>>> >>>>Yes. >>> >>>Hi Eduard, >>> >>>yes we were out of book on black 21...d5 >>> >>>This corrects my previous e-mail. >>> >>>Sorry, but I was out of home so I could not check the book. >>> >>>Ciao >>>Sandro >> >>And 21...d5 appears to be a less than optimal move. In this position: >> >>[D]2kr3r/1q1bbp2/3pp2p/Q7/3N1P1p/2N4R/PPP3Pn/2KR4 b - - 0 21 >> >>Chessmaster 9000 gives 21...Rdg8 an eval of 0.27 for White. After 21...d5, the >>eval is 1.27 for White, exactly one point higher. >> >>And then, after forcing the moves 22.Na4 Bxa4 23.Rc3+ Kb8 24.Qxa4 Rd6 25.Rb3 Rb6 >>26.Rxb6 Qxb6 27.Rd3, the eval is over 2.5 for White. >> >>There must have been a better line for Black.... Is 21...Rdg8 that much better >>of a move? >> >>jm > >21...e5 is also an option to check. > >After 21...d5 yace could learn score of +2.xx after analysis by going backward >in the game and I could not see more than +1 after 21...e5. > >Uri Yes, that move is also worth looking at. 21...e5 is what CM9000 had before selecting 21...Rdg8. The eval difference was only a few centipawns.... jm
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.