Author: Uri Blass
Date: 23:54:45 01/16/02
Go up one level in this thread
On January 17, 2002 at 01:40:59, Sune Larsson wrote: >On January 16, 2002 at 11:06:34, Uri Blass wrote: > >>On January 16, 2002 at 11:01:07, Uri Blass wrote: >> >>>On January 16, 2002 at 10:03:15, Antonio wrote: >>> >>>>Event "WCC 2001-2002 Final"] >>>>[Site "Moscow"] >>>>[Date "2002.01.16"] >>>>[Round "7"] >>>>[White "Ponomariov, R."] >>>>[Black "Ivanchuk, V."] >>>>[Result "1-0"] >>>>[WhiteTitle "GM"] >>>>[WhiteElo "2684"] >>>>[WhiteCountry "UKR"] >>>>[BlackTitle "GM"] >>>>[BlackElo "2731"] >>>>[BlackCountry "UKR"] >>>>[Remark "WCC 2001-2002 Final"] >>>>[PresId "0001070101"] >>>> >>>>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. >>>>Nf3 O-O 8. Qd2 Be7 9. O-O-O Qd5 10. Nc3 Qa5 11. a3 Nd7 12. Kb1 Qb6 13. >>>>Qe3 Nf6 14. Ne5 Rd8 15. Bc4 Bd7 16. Bb3 Be8 17. Rhe1 Bf8 18. g4 Nd5 >>>>19. Qf3 c6 20. Ne4 Qc7 21. c4 Ne7 22. Ng5 Nc8 23. c5 1-0 >>> >>>Here is some analysis after 23...Rd5(forced move from computer's point of view) >>> >>>Deep Fritz cannot see a forced win for white and only can see +1.69 for white >>>that means drawing chances for black. > > > Drawing chances for black???? Are you serious Uri? If so, try to convince > Ivanchuk about that. Black is totally choked up. Instead of resigning, > GM Ehlvest recommended 23.-Qb8! - a bit humourous just to point out that > black is helpless here. > > Sune It seems that the 1.59 was a minimium point of Deep Fritz Here is Deep Fritz's analysis It can see only 1.91 pawns for white that still mean some practical chances for a draw. I am not going to wait for Fritz to solve the fail high problem and maybe someone with faster hardware is going to do it. It may be interesting to try comp-comp games in order to find out if there is a practical chance for a draw in comp-comp games. [D]r1n1bbk1/ppq2ppp/2p1p3/2PrN1N1/3P2P1/PB3Q2/1P3P1P/1K1RR3 w - - 0 1 Analysis by Deep Fritz: 24.Bxd5 cxd5 25.Qd3 g6 26.Rc1 h6 27.Ngf3 b6 28.h4 bxc5 29.dxc5 Rb8 +- (1.59) Depth: 15/40 00:13:59 522914kN 24.Qe4! +- (1.63) Depth: 15/41 00:19:35 727772kN 24.Qe4! g6 25.Bxd5 cxd5 26.Qf4 Qe7 27.Ngf3 b6 28.c6 f6 +- (1.69) Depth: 15/43 00:24:59 943977kN 24.Qe4 g6 25.Bxd5 cxd5 26.Qf4 Qe7 27.Ngf3 b6 28.c6 f6 +- (1.75) Depth: 16/42 00:38:05 1470778kN 24.Qe4 g6 25.f4 Ne7 26.Ngxf7 Bxf7 27.Nxf7 Kxf7 28.Qxe6+ Kg7 29.f5 Rd7 +- (1.72) Depth: 17/45 01:51:26 4429363kN 24.h4! +- (1.75) Depth: 17/45 02:34:51 6185120kN 24.h4 h6 25.Nh3 Ne7 26.Nf4 b6 27.Bxd5 cxd5 28.g5 bxc5 +- (1.81) Depth: 18/48 05:48:54 14047119kN 24.Qd3! +- (1.84) Depth: 18/48 06:52:48 16648360kN 24.Qd3! g6 25.Qh3 h6 26.Ne4 Bg7 27.g5 Rxd4 28.Rxd4 Bxe5 29.Qxh6 +- (1.91) Depth: 18/48 07:21:19 17800811kN 24.Qd3 g6 25.Qh3 h6 26.Ne4 Bg7 27.g5 Ne7 28.f4 h5 29.Bxd5 cxd5 +- (1.88) Depth: 19/49 10:14:27 24819062kN 24.h4! +- (1.91) Depth: 19/49 14:36:20 35702730kN (Blass, Tel-aviv 17.01.2002) There is a big difference between Rd5 and Qb8 Rd5 is only losing excahange and there are practical chances for a draw. Qb8 is also losing f7 and more material After Qb8 Deep Fritz says almost +6 [D]rqnrbbk1/pp3ppp/2p1p3/2P1N1N1/3P2P1/PB3Q2/1P3P1P/1K1RR3 w - - 0 1 Analysis by Deep Fritz: 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7 +- (4.53) Depth: 4/19 00:00:00 6kN 24.Nxe6 Ne7 25.Nxf8 Nd5 26.Bxd5 Rxd5 +- (4.56) Depth: 5/21 00:00:00 15kN 24.Nxe6 Rd5 25.Bxd5 cxd5 26.Nxf8 Kxf8 27.Qxd5 +- (4.50) Depth: 6/21 00:00:00 25kN 24.Nxe6 Rd5 25.Bxd5 cxd5 26.Nxf8 Kxf8 27.Qxd5 Kg8 +- (4.34) Depth: 7/21 00:00:00 75kN 24.Nxe6 Rd5 25.Bxd5 cxd5 26.Nxf8 Kxf8 27.Qxd5 Qc7 28.f4 +- (4.47) Depth: 8/21 00:00:00 193kN 24.Nexf7! +- (4.50) Depth: 8/27 00:00:00 376kN 24.Nexf7! Rd5 25.Ne5 Be7 26.Nxe6 Rxe5 27.dxe5 Bf7 +- (4.63) Depth: 8/27 00:00:00 499kN 24.Nexf7 Rd5 25.Ne5 Be7 26.Nxe6 Rxe5 27.dxe5 Bg6+ 28.Ka1 Bf7 +- (4.59) Depth: 9/27 00:00:01 1062kN 24.Nexf7 Rd5 25.Ne5 Be7 26.Nxe6 Rxe5 27.dxe5 Bg6+ 28.Ka1 Bf7 +- (4.69) Depth: 10/30 00:00:03 2304kN 24.Nexf7! +- (5.00) Depth: 11/31 00:00:10 6943kN 24.Nexf7! +- (5.31) Depth: 12/32 00:00:33 23298kN 24.Nexf7! Rd5 25.Ne5 Nd6 26.Ka1 +- (5.41) Depth: 12/36 00:01:03 43105kN 24.Nexf7! +- (5.72) Depth: 13/35 00:02:09 89109kN 24.Nexf7! Rd5 25.Rxe6 Ne7 26.Qe4 Ng6 +- (5.91) Depth: 13/43 00:03:01 126092kN 24.Nexf7 Rd5 25.Bxd5 cxd5 26.Qd3 g6 27.Qh3 +- (5.78) Depth: 14/39 00:06:55 289330kN (Blass, Tel-aviv 17.01.2002) Uri
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