Author: Suchon Mallikamarl
Date: 07:12:02 01/14/06
[Event "Corus Chess 2006"] [Site "Wijk aan Zee"] [Date "2006.01.14"] [Round "?"] [White "GM Karjakin, Sergey(UKR)"] [Black "GM Anand, Viswanathan(IND)"] [Result "*"] [ECO "B90"] [WhiteElo "2660"] [BlackElo "2792"] [Annotator "Holger_Lieske"] [PlyCount "67"] [EventDate "2006.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. Ne2 Ne8 14. f4 a5 15. f5 a4 16. Nbd4 exd4 17. Nxd4 b3 18. Kb1 bxc2+ 19. Nxc2 Bb3 20. axb3 axb3 21. Na3 Ne5 22. h4 Ra5 23. Qc3 Qa8 24. Bg2 Nc7 25. Qxc7 Rc8 26. Qxe7 Nc4 27. g6 hxg6 28. fxg6 Nxa3+ 29. bxa3 Rxa3 30. gxf7+ Kh7 31. f8=N+ Rxf8 32. Qxf8 Ra1+ 33. Kb2 Ra2+ 34. Kc3 * Well Rybka has done a very splendid and terrible calculation in the same game Frist Rybka saw 25.Qxc7 is bad for white which another engine such as Fritz 9 can't find it !! and the game progress by Karjakin play Qxc7 At move 31th it's an essential to play f8N+(pawn f8 promote to be knight and check) check black king on h7 which Fritz and its fellow can find this move except Rybka I think this should be a serious problem for Rybka . Why Rybka can't calculation on promoting knight ? regrad Arty
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