Author: John Merlino
Date: 11:00:42 02/21/03
Go up one level in this thread
On February 21, 2003 at 13:52:52, Drexel,Michael wrote: >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 > >Try 21... e5 22. Nd5 Bxh3 23. Qc3+ Kd7 24. Qxh3+ Ke8 25. Nf5. The King gives this line (which does appear to be best play) an eval of a little over +1. jm
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