Author: Kurt Utzinger
Date: 03:41:33 11/20/04
Go up one level in this thread
I do not agree with the comment "After 14. Qxe4 White gains only two pawns for the piece. On the other hand, Black is reduced to a grom defensivve job, which would not suited Lasker at all." We all know that Lasker was one of the best defender in chess of all times. In my opinion, the sacrifice 14.De4 is indeed a very strong move giving White a decisive advantage. Anyway for CM9_T05 it's the best move after a long thinking time. [D]r1b2r1k/ppp1q1pp/2n1pb2/2P5/2BPpp2/P3PPB1/1PQ3PP/2KR2NR w - - 0 14 CM9 T05 on Duron 1.3/64 MB hash Time Depth Score Positions Moves 2:11 3/13 0.19 22821532 14.Bxf4 e5 15.dxe5 Nxe5 16.Be2 exf3 17.Nxf3 Ng4 18.Bd3 Nxe3 19.Bxe3 Qxe3+ 20.Kb1 Bg4 21.Rhe1 Qh6 10:42 3/14 0.37 114545726 14.Bxf4 e5 15.dxe5 Nxe5 16.Be2 exf3 17.Nxf3 Ng4 18.Bd3 Nxe3 19.Bxe3 Qxe3+ 20.Kb1 Bg4 21.Rhe1 Qh6 22.Bc4 24:01 3/15 0.17 263332298 14.Bxf4 e5 15.dxe5 Nxe5 16.Be2 exf3 17.Nxf3 Ng4 18.Bd3 Nxe3 19.Bxe3 Qxe3+ 20.Kb1 Qh6 21.Rhf1 Bg4 22.Be4 c6 42:09 3/15 0.24 463371985 14.Qxe4 e5 15.exf4 exd4 16.Qxe7 Bxe7 17.Ne2 Bxc5 18.Bf2 Bb6 19.Bxd4 Nxd4 20.Nxd4 Rxf4 21.Rhe1 Bh3 [D]r1b2r1k/ppp1q1pp/2n1pb2/2P5/2BPQ3/P3PPP1/1P4P1/2KR2NR b - - 0 15 Now 15...g5 was claimed to be stronger than Laserk's 15...g6 but I doubt that this move could save the game. See also the analysis of CM9_T05. CM9 T05 on Duron 1.3/64 MB hahs, CM9-GUI Time Depth Score Positions Moves 4:17 3/13 0.55 45569262 16.Ne2 Rf7 17.Rh2 Bd7 18.Rdh1 Rg8 19.Qc2 Rgg7 20.Kb1 g4 21.Nf4 Kg8 22.Qb3 11:52 3/14 0.68 124932654 16.Ne2 Rf7 17.Rh2 Bd7 18.Rdh1 Rg8 19.Qc2 Rgg7 20.Bd3 g4 21.Kb1 e5 22.d5 gxf3 23.gxf3 27:46 3/15 0.69 297451192 16.Ne2 Rf7 17.Rh2 Bd7 18.Rdh1 Rg8 19.Qc2 Rgg7 20.Bd3 e5 21.d5 Nd8 22.b4 g4 23.Nc3 85:07 4/16 0.81 915890563 16.Ne2 Rf7 17.Rh2 Bd7 18.Rdh1 Rg8 19.Qc2 Rgg7 20.Bd3 e5 21.d5 Nb8 22.Bg6 Ba4 23.Qxa4 Rxg6 24.Qxa7 [Event "St.Petersburg9596"] [Site "St.Petersburg"] [Date "1896.??.??"] [Round "4"] [White "Steinitz, William"] [Black "Lasker, Emanuel"] [Result "1-0"] [ECO "D35"] [PlyCount "61"] [EventDate "1895.??.??"] [Source "ChessBase"] [SourceDate "1997.10.13"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Be7 5. e3 O-O 6. c5 Ne4 7. Nxe4 dxe4 8. Qc2 f5 9. Bc4 Nc6 10. a3 Bf6 11. O-O-O Kh8 12. f3 Qe7 13. Bg3 f4 14. Qxe4 fxg3 15. hxg3 g6 16. Qxg6 Bd7 17. f4 Rf7 18. g4 Rg7 19. Qh6 Rxg4 20. Bd3 Rg7 21. Nf3 Qf7 22. g4 Rag8 23. g5 Bd8 24. Rh2 Rg6 25. Qh5 R6g7 26. Rdh1 Qxh5 27. Rxh5 Rf8 28. Rxh7+ Rxh7 29. Rxh7+ Kg8 30. Rxd7 Rf7 31. Bc4 1-0
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