Author: Uri Blass
Date: 03:33:35 04/16/02
Go up one level in this thread
On April 16, 2002 at 06:24:42, Uri Blass wrote: >On April 16, 2002 at 05:49:13, Ed Schröder wrote: > >>On April 15, 2002 at 17:46:55, Roy Eassa wrote: >> >>>[Event "Internet match"] >>>[Site "?"] >>>[Date "2002.04.15"] >>>[Round "?"] >>>[White "Hiarcs 8"] >>>[Black "Ilya Smirin"] >>>[Result "1/2-1/2"] >>>[ECO "E92"] >>>[BlackElo "2702"] >>>[PlyCount "79"] >>> >>>1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. >>>Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 b5 13. Bb3 a5 14. a4 Bd7 >>>15. Nd2 bxa4 16. Bxa4 cxd5 17. exd5 Bxa4 18. Rxa4 Nd7 19. Be3 Bf8 20. Nc4 Bb4+ >>>21. Ke2 Rec8 22. b3 Rab8 23. Nxa5 Bxa5 24. Rxa5 Rxb3 25. Rd1 Kf8 26. d6 Rb7 27. >>>Rc1 Rxc1 28. Ra8+ Rb8 29. Rxb8+ Nxb8 30. Bxc1 Ke8 31. Kd3 Kd7 32. Ba3 f5 33. g3 >>>g5 34. h3 h5 35. Kc4 Kc6 36. Kd3 Nd7 37. f3 Nf6 38. g4 fxg4 39. fxg4 hxg4 40. >>>hxg4 1/2-1/2 >>> >>> >>>Position after 38.g4: >>> >>>[d] 8/8/2kP1n2/4pppp/6P1/B2K1P1P/8/8 b - - 0 38 >>> >>>Can somebody confirm (or disprove) that this simple line would have won fairly >>>easily for Black? : >>> >>>38...hxg4 39.hxg4 (forced) f4+ 40.Kd3 (forced) Kd7 >>> >>>Looks like a win for Black, but a stronger player's opinion is requested. >> >> >>Rebel (giving it 30-60 secs average) came up with this line... >> >>1... hxg4 2. hxg4 f4 3. Ke2 Kd7 4. Bb4 Ne8 5. Bc3 Kxd6 6. Bb4+ Ke6 7. Ba5 Nd6 8. >>Bd8 Nf7 9. Ba5 Kd5 10. Kd3 Nd6 11. Bd8 Nb5 12. Ke2 Nd4+ 13. Kf2 Ne6 14. Bb6 Kc4 >>15. Ba5 Kc5 16. Bc3 Nd4 17. Ba5 Nc6 18. Bc3 Kc4 19. Ba1 Kb3 20. Ke2 Kc2 21. Kf2 >>Kd2 22. Bb2 Nb4 23. Ba3 Nd3+ 24. Kf1 Ke3 25. Be7 Kxf3 26. Bxg5 e4 0-1 >> >>I am not sure if white has an escape after all, but it seems to be the classical >>struggle the knight being superior to the bishop. >> >>Ed > >yace says that 3.Ke2 is losing 0.01 pawns and I suspect that these 0.01 pawns >may be decisive for the result of the game. > >New position >8/8/2kP1n2/4p1p1/5pP1/B2K1P2/8/8 w - - 0 1 > >Analysis by Yace 0.99.56: > >3.Ke2 Ne8 4.Bb2 Kxd6 5.Ba3+ Ke6 6.Bf8 Nd6 7.Bh6 Nf7 8.Bg7 Kd5 9.Kd3 Nd6 10.Ke2 >e4 11.Bf6 Nf7 12.Kf2 exf3 13.Bh8 > µ (-1.18) Depth: 19 00:04:52 76538kN >3.Bb4 e4+ 4.fxe4 Nxg4 5.e5 Nxe5+ 6.Ke4 Nc4 7.Bc3 Nxd6+ 8.Kf3 Nc4 9.Ke4 Kd7 >10.Bf6 Nd2+ 11.Kd3 Nf3 > µ (-1.17) Depth: 19 00:08:00 149829kN >3.Bb4 e4+ 4.fxe4 Nxg4 5.e5 Nxe5+ 6.Ke4 Nc4 7.Bc3 Nxd6+ 8.Kf3 Nc4 9.Ke4 > µ (-1.17) Depth: 19 00:08:45 167224kN > >(Blass, Tel-aviv 16.04.2002) > >Uri The score for 3.Bb4 goes down at depth 20 I expect the score to stop going down if the position is a real draw. Inspite of the fact that the score for 3.Bb4 goes down yace does not find a better alternative at depth 20. [D]8/8/2kP1n2/4p1p1/5pP1/B2K1P2/8/8 w - - 0 1 Analysis by Yace 0.99.56: 3.Bb4 e4+ 4.fxe4 Nxg4 5.e5 Nxe5+ 6.Ke4 Nc4 7.Bc3 Nxd6+ 8.Kf3 Nc4 9.Ke4 Kd7 10.Bf6 Nd2+ 11.Kd3 Nf3 12.Ke4 Ne1 13.Bxg5 f3 14.Ke3 µ (-1.21) Depth: 20 00:16:50 325381kN (Blass, Tel-aviv 16.04.2002) Uri
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