Author: Uri Blass
Date: 22:27:51 09/01/01
Go up one level in this thread
On September 02, 2001 at 00:16:02, Eduard Nemeth wrote: >On September 01, 2001 at 15:20:18, Uri Blass wrote: > >>On September 01, 2001 at 14:52:05, Uri Blass wrote: >> >>>On September 01, 2001 at 13:23:09, Eduard Nemeth wrote: >>> >>>> >>>> >>>>[Event "Rapid"] >>>>[Site "Berlin"] >>>>[Date "2001.08.31"] >>>>[Round "?"] >>>>[White "Schredder 5.32"] >>>>[Black "Schirow,A"] >>>>[Result "0-1"] >>>>[ECO "D19"] >>>>[BlackElo "2706"] >>>> >>>>1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 e6 8. O-O >>>>Bb4 9. Qe2 Bg6 10. e4 O-O 11. Bd3 h6 12. Rd1 Rc8 13. Bf4 a6 14. Rab1 Re8 15. >>>>Bc2 Qe7 16. Na2 Ba5 17. b4 Bc7 18. Bxc7 Rxc7 19. Qe3 e5 20. dxe5 Nxe5 21. Nxe5 >>>>Qxe5 22. f3 c5 23. bxc5 Rxc5 24. Bb3 Rec8 25. Nb4 Rc3 26. Qb6 Bxe4 27. fxe4 >>>>Ng4 28. Bxf7+ Kxf7 29. Qd6 Qxd6 30. Rxd6 Rc1+ 31. Rd1 Rxd1+ 32. Rxd1 Rc4 33. >>>>Rb1 Rxe4 34. a5 Re5 35. h3 Ne3 36. Nd3 Rb5 37. Rxb5 axb5 38. Nc5 b4 39. Kf2 Nc4 >>>>40. Nb3 Ke6 41. Ke1 Kd5 42. Ke2 Ne5 43. Kd2 Kc4 44. Kc2 Nc6 45. Nd2+ Kb5 46. >>>>Ne4 Nxa5 47. Nd6+ Ka4 48. g3 b3+ 49. Kb1 b5 0-1 >>>> >>>>After move 26. Qb6 (white): >>>> >>>>[D]2r3k1/1p3pp1/pQ3nbp/4q3/PN2P3/1Br2P2/6PP/1R1R2K1 b - - >>>> >>>>Shirov played now fantastical 26...Bxe4! >>>> >>>>Report: >>>> >>>>http://www.chessbase.com/news/ifa-berl1.htm >>>> >>>>Eduard >>> >>>Analysis by Junior7 >>> >>>New position >>>2r3k1/1p3pp1/pQ3nbp/4q3/PN2P3/1Br2P2/6PP/1R1R2K1 b - - 0 1 >>> >>>Analysis by Junior 7(PIII800): >>>it needs only 6 seconds to find Bxe4 >>> >>>1...h5 2.Rd8+ Rxd8 3.Qxd8+ >>> ² (0.47) Depth: 3 00:00:00 >>>1...Bh5 2.Rd8+ Rxd8 3.Qxd8+ >>> ² (0.45) Depth: 3 00:00:00 >>>1...Bh7 2.Rd8+ Rxd8 3.Qxd8+ >>> ² (0.42) Depth: 3 00:00:00 >>>1...R3c7 2.Nd3 >>> = (0.12) Depth: 3 00:00:00 >>>1...R3c7 2.Nd3 Qe7 3.Qd4 >>> ² (0.47) Depth: 6 00:00:00 5kN >>>1...h5 2.Rd8+ Rxd8 3.Qxd8+ Qe8 4.Qd4 Qc8 >>> ² (0.46) Depth: 6 00:00:00 11kN >>>1...Qf4 2.Rd8+ Kh7 3.Nd3 Qd2 4.Rd1 >>> ² (0.38) Depth: 6 00:00:00 34kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Kf2 Kf8 >>> = (0.22) Depth: 6 00:00:00 37kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Bd5 R5c7 4.Kf2 Kf8 >>> ² (0.33) Depth: 9 00:00:00 79kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 R5c7 4.Ne5 Kh7 5.a5 Rc5 6.Nxf7 >>> ² (0.40) Depth: 12 00:00:01 798kN >>>1...Bxe4! >>> = (0.03) Depth: 12 00:00:06 4173kN >>>1...Bxe4! 2.fxe4 Ng4 3.g3 Nxh2 4.Bxf7+ Kxf7 5.Qxb7+ Kf8 6.Rd3 Qh5 7.Rxc3 Rxc3 >>> = (-0.23) Depth: 12 00:00:09 6245kN >>>1...Bxe4 2.fxe4 Ng4 3.g3 Nxh2 4.Bxf7+ Kxf7 5.Qxb7+ >>> = (-0.22) Depth: 14 00:00:24 16198kN >>>1...Bxe4 2.fxe4 Ng4 3.g3 Nxh2 4.Qd6 Nf3+ 5.Kf2 Qxe4 6.Qf4 Qe8 7.Rd3 Ng5 8.Qf5 >>>Ne4+ 9.Kg2 b5 10.Rxc3 >>> ³ (-0.37) Depth: 16 00:02:02 80276kN >>> >>>(Blass, Tel-aviv 01.09.2001) >>> >>>Deep Fritz is 24 times slower >>>New position >>>2r3k1/1p3pp1/pQ3nbp/4q3/PN2P3/1Br2P2/6PP/1R1R2K1 b - - 0 1 >>> >>>Analysis by Deep Fritz: >>> >>>1...Rxb3-- >>> ± (0.91) Depth: 1/3 00:00:00 >>>1...Rxb3-- 2.Rxb3 >>> +- (1.97) Depth: 1/7 00:00:00 >>>1...Nxe4! >>> +- (1.91) Depth: 1/7 00:00:00 >>>1...Nxe4! 2.Rd8+ Rxd8 >>> ± (1.12) Depth: 1/10 00:00:00 >>>1...Qf4! >>> ± (1.06) Depth: 1/10 00:00:00 >>>1...Qf4! 2.Qxb7 >>> ± (0.72) Depth: 1/10 00:00:00 >>>1...R8c7! >>> ² (0.59) Depth: 1/10 00:00:00 >>>1...R8c7! 2.Rd8+ >>> = (0.22) Depth: 1/10 00:00:00 >>>1...Qe7! >>> = (0.12) Depth: 1/10 00:00:00 >>>1...Qc5+! >>> = (0.03) Depth: 1/10 00:00:00 >>>1...Qc5+ 2.Qxc5 R3xc5 >>> = (0.06) Depth: 2/6 00:00:00 >>>1...Qc5+ 2.Qxc5 R8xc5 3.Rd8+ Kh7 >>> = (0.12) Depth: 3/9 00:00:00 >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd5 Nxd5 4.Bxd5 >>> = (0.00) Depth: 4/14 00:00:00 2kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 Rc3 4.a5 >>> ² (0.31) Depth: 5/15 00:00:00 13kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 Rc3 4.a5 Kf8 >>> ² (0.31) Depth: 6/15 00:00:00 42kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 Rc3 4.Ne5 Kf8 5.a5 >>> ² (0.34) Depth: 7/16 00:00:00 142kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 Ra5 4.Nf4 Kh7 5.Rbc1 Rac5 6.Rxc5 >>> ² (0.31) Depth: 8/21 00:00:00 408kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 Ra5 4.Rdc1 Rxc1+ 5.Rxc1 b5 6.Rc8+ Kh7 7.Nc5 >>> ² (0.37) Depth: 9/21 00:00:01 933kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Nd3 Ra5 4.Kf1 b5 5.Ne5 Bh5 6.axb5 axb5 7.Ke2 >>> ² (0.34) Depth: 10/23 00:00:03 2066kN >>>1...Qc5+ 2.Qxc5 R3xc5 3.Kf2 Kf8 4.Nd3 Rc3 5.Ne5 b5 6.axb5 axb5 7.Nxg6+ >>> ² (0.37) Depth: 11/27 00:00:10 7080kN >>>1...Kh7! >>> ² (0.34) Depth: 11/32 00:00:36 25086kN >>>1...Kh7 2.Nd3 Qc7 3.Qxc7 R8xc7 4.Nb4 R7c5 5.Rb2 Re3 6.Bd5 a5 >>> ² (0.31) Depth: 12/33 00:01:24 57535kN >>>1...Bxe4! >>> ² (0.28) Depth: 12/33 00:02:24 100287kN >>>1...Bxe4! 2.fxe4 Ng4 3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qh3+ 6.Ke2 Qh2+ 7.Ke1 >>> = (0.00) Depth: 12/35 00:02:35 108242kN >>> >>>(Blass, Tel-aviv 01.09.2001) >>> >>>Note that both programs see 3.g3 in the main line and not 3.Bxf7+ >>> >>>Uri >> >>And they are wrong because 3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf4+ >>is a more simple win for black >> >>Deep Fritz does not see it at tournament time control on p800 and here is Deep >>Fritz's analysis >> >>New position >>2r3k1/1p3pp1/pQ5p/4q3/PN2P1n1/1Br5/6PP/1R1R2K1 w - - 0 1 >> >>Analysis by Deep Fritz: >> >>3.Bxf7+-- >> +- (1.66) Depth: 1/6 00:00:00 >>3.Bxf7+-- Kxf7 >> ± (0.75) Depth: 1/7 00:00:00 >>3.Qxb7! >> ± (0.88) Depth: 1/7 00:00:00 >>3.Qxb7! Qxh2+ >> ± (1.13) Depth: 1/7 00:00:00 >>3.Rd8+! >> ± (1.38) Depth: 1/7 00:00:00 >>3.Rd8+! Rxd8 >> +- (1.94) Depth: 1/8 00:00:00 >>3.Rd8+ Kh7 4.Rxc8 Qxh2+ 5.Kf1 >> +- (1.78) Depth: 2/11 00:00:00 >>3.Rd8+ Rxd8 4.Qxd8+ Kh7 5.Bxf7 >> +- (1.66) Depth: 3/13 00:00:00 1kN >>3.Rd8+-- >> ± (1.34) Depth: 4/13 00:00:00 3kN >>3.Rd8+-- Rxd8 4.Qxd8+ Kh7 5.Qb6 Qxh2+ 6.Kf1 Ne3+ 7.Ke1 >> ² (0.28) Depth: 4/17 00:00:00 4kN >>3.g3! >> ² (0.34) Depth: 4/18 00:00:00 10kN >>3.g3! Nxh2 4.Rd8+ Rxd8 5.Qxd8+ Kh7 6.Bxf7 >> ± (1.03) Depth: 4/18 00:00:00 14kN >>3.Bxf7+! >> ± (1.06) Depth: 4/19 00:00:00 16kN >>3.Bxf7+! Kxf7 4.Qxb7+ Kf8 5.Rf1+ Ke8 >> ± (1.22) Depth: 4/19 00:00:00 18kN >>3.Bxf7+ Kxf7 4.Qxb7+ Kg6 5.Qxa6+ Kh7 6.h3 Qh2+ 7.Kf1 >> ± (1.31) Depth: 5/19 00:00:00 29kN >>3.Bxf7+ Kxf7 4.Qxb7+ Kg6 5.Qxa6+ Kh7 6.Qd6 Qxe4 >> ± (1.03) Depth: 6/24 00:00:00 81kN >>3.Bxf7+ Kxf7 4.Qxb7+ Kg6 5.Qxa6+ Kh7 6.Qd6 Qxe4 7.Nd5 >> ± (1.16) Depth: 7/25 00:00:00 243kN >>3.Bxf7+-- >> ± (0.84) Depth: 8/28 00:00:01 1004kN >>3.Bxf7+-- Kf8 4.g3 Rxg3+ 5.hxg3 Qxg3+ 6.Kf1 Qf3+ 7.Ke1 Qxe4+ 8.Kd2 Qg2+ >> ² (0.59) Depth: 8/30 00:00:01 1310kN >>3.Bxf7+-- >> ² (0.28) Depth: 9/34 00:00:04 3043kN >>3.Bxf7+-- Kxf7 4.Qxb7+ Kg6 5.Qxa6+ R8c6 6.Qxc6+ Rxc6 7.Nxc6 Qxh2+ 8.Kf1 Qf4+ >> = (0.00) Depth: 9/34 00:00:04 3412kN >>3.Bxf7+-- >> ³ (-0.47) Depth: 10/30 00:00:09 6874kN >>3.Bxf7+-- Kxf7 4.g3 Qxe4 5.Nd5 Rc2 6.Qxb7+ R8c7 7.Qxc7+ Rxc7 >> ³ (-0.50) Depth: 10/32 00:00:11 8255kN >>3.g3! >> ³ (-0.47) Depth: 10/32 00:00:13 9277kN >>3.g3! Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf3+ 6.Kg1 Qg3+ 7.Kf1 Qf3+ 8.Kg1 Qg3+ >> = (0.00) Depth: 10/32 00:00:13 9798kN >>3.g3-- >> ³ (-0.47) Depth: 11/32 00:00:27 19049kN >>3.g3-- Nxh2 4.Bxf7+ Kxf7 5.Qxb7+ Kg6 6.Rd3 Rxd3 7.Qxa6+ >> ³ (-0.50) Depth: 11/36 00:00:32 22661kN >>3.g3 Nxh2 4.Qd6 Nf3+ 5.Kf2 Qxe4 6.Qf4 Ng5 7.Bxf7+ Kh7 8.Qxe4+ Nxe4+ >> ³ (-0.41) Depth: 12/35 00:01:18 54829kN >>3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf4+ 6.Kg1 Qh2+ 7.Kf1 Qh1+ 8.Ke2 Qxe4+ >> ³ (-0.44) Depth: 13/37 00:03:25 145908kN >>3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf4+ 6.Kg1 Qh2+ 7.Kf1 Qh1+ 8.Ke2 Qxe4+ >> ³ (-0.44) Depth: 14/38 00:08:05 344969kN >> >>(Blass, Tel-aviv 01.09.2001) >> >>Uri > >Yes Uri, after g3 win black easy! I think that in this situation for white is >Bxf7 better than g3. Shirov played very nice! :) > >Eduard Note that shredder was lucky not to play g3 because it was not slower time control. Here is some analysis of shredder5.32 on p200 when I used scroll new moves only(shredder does not jump depthes) Shredder can find g3 at depth 9 New position 2r3k1/1p3pp1/pQ5p/4q3/PN2P1n1/1Br5/6PP/1R1R2K1 w - - 0 1 Analysis by Shredder 5.32: 3.Qxb7 Qxh2+ 4.Kf1 Ne3+ 5.Kf2 +- (1.92) Depth: 1/2 00:00:00 +- (1.89) Depth: 1/2 00:00:00 3.Rd8+ Rxd8 4.Qxd8+ Kh7 5.Qh4 Qxe4 6.Re1 Qxb4 7.Bxf7 +- (1.93) Depth: 1/2 00:00:00 +- (1.54) Depth: 3/6 00:00:00 3.Qd6 Qxe4 4.Nd5 Ne3 5.Nxe3 Qxe3+ 6.Kh1 +- (1.55) Depth: 3/6 00:00:00 +- (1.79) Depth: 4/8 00:00:00 3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf4+ 6.Ke2 Qxe4+ 7.Kf1 Qh1+ 8.Qg1 Qf3+ 9.Ke1 Qc3+ 10.Kf1 Qxb4 +- (1.80) Depth: 4/8 00:00:00 ² (0.57) Depth: 6/12 00:00:01 55kN 3.Bxf7+ Kxf7 4.Qxb7+ Kg6 5.Qxa6+ R8c6 6.Qxc6+ Rxc6 7.Nxc6 Qxh2+ 8.Kf1 Ne3+ 9.Ke2 Nxd1 10.Rxd1 Qxg2+ 11.Kd3 ² (0.58) Depth: 6/12 00:00:02 99kN ² (0.58) Depth: 6/12 00:00:04 146kN 3.Nd5 Qxh2+ 4.Kf1 R3c5 5.Ne7+ Kh7 6.Qxc5 Rxc5 7.Nd5 Qh1+ 8.Ke2 Qxg2+ 9.Kd3 ² (0.59) Depth: 6/12 00:00:04 168kN -+ (-5.84) Depth: 7/14 00:00:30 1135kN 3.Bxf7+ Kxf7 4.g3 Qxe4 5.Nd5 Rc2 6.Qxb7+ Kf8 7.Qb4+ Qxb4 8.Nxb4 -+ (-5.83) Depth: 7/14 00:00:33 1241kN ³ (-0.46) Depth: 7/14 00:00:47 1769kN 3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf4+ 6.Ke2 Qxe4+ 7.Kf1 Qh1+ 8.Ke2 Qg2+ 9.Kd3 Nf2+ 10.Ke3 ³ (-0.45) Depth: 7/14 00:00:48 1790kN ³ (-0.70) Depth: 8/16 00:01:05 2491kN 3.Bxf7+ Kxf7 4.g3 Qxe4 5.Nd5 Rc2 6.Qxb7+ R8c7 7.Qxc7+ Rxc7 8.Rf1+ Nf6 9.Nxc7 Qxa4 ³ (-0.69) Depth: 8/16 00:01:16 2843kN µ (-1.03) Depth: 9/18 00:02:32 5501kN 3.g3 Rxg3+ 4.hxg3 Qxg3+ 5.Kf1 Qf4+ 6.Kg1 Qh2+ 7.Kf1 Qh1+ 8.Qg1 Qf3+ 9.Qf2 Nxf2 10.Rd3 Qxe4 µ (-1.02) Depth: 9/18 00:02:59 6645kN µ (-0.94) Depth: 10/20 00:05:06 11959kN Uri
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