Author: Eduard Nemeth
Date: 21:16:02 09/01/01
Go up one level in this thread
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
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