Author: Sune Larsson
Date: 13:47:01 04/07/02
Go up one level in this thread
On April 06, 2002 at 14:22:31, Uri Blass wrote: >On April 06, 2002 at 13:53:28, Sune Larsson wrote: > >>On April 06, 2002 at 13:36:05, Uri Blass wrote: >> >>>On April 06, 2002 at 13:04:28, Sune Larsson wrote: >>> >>>>In a wellknown French Emanuel made a mistake in move 18, which was followed >>>>by an even bigger one in the next move. Still there was possibility to make >>>>a real fight of it, when Fritz surprised by avoiding a double rook ending two >>>>pawns ahead. 28.Qb3! presented black with too many unsolvable problems. >> >> >>> >>>Maybe Emanuel could make a real fight against Deep Fritz but it seems that >>>fritz7 is stronger >> >> >> Yes, Emanuel would have welcomed 28.Qxd4 and the following rook ending. >> I think he would have had good chances of drawing it. So far I cannot >> be anything but impressed by Fritz 7.006. He defended well in the game 2 >> ending and strikes like a cobra when given the chance. In the 3rd game I >> noticed that Fritz pondered on 28.Qxd4 but changed to the stronger 28.Qb3! >> >> Sune > >I do not know if 28.Qb3 is really decisive > >Here is Deep Fritz's analysis after 28.Qb3 > >It does not see a clear win for white even at depth 15 I see that Deep Fritz considers 28.-Rd6 as best. Emanuel didn't want to play this move because he estimated the ending as lost after: 28.Qb3 Rd6 29.Red1 Qb6 30.Qxb6 Rxb6 31.Rd8 Rg8 32.Rc7 Bg6 33.Rxg8+ Kxg8 34.Rxb7 Rd6 35.Bxg6 hxg6. Black has a pawn less and his king is cut off. Instead E took a chance with 28.-Ba4. Sune > > >New position >[D]3rb2k/1p4rp/p3pp2/8/3qB3/PQ4P1/1P3P1P/2R1R1K1 b - - 0 1 > >Analysis by Deep Fritz: > >1...Qxe4-- > +- (3.91) Depth: 1/3 00:00:00 >1...Qxe4-- 2.Rxe4 > +- (6.12) Depth: 1/3 00:00:00 >1...Rxg3+! > +- (4.87) Depth: 1/3 00:00:00 >1...Rxg3+! 2.hxg3 > +- (4.50) Depth: 1/3 00:00:00 >1...Bc6! > +- (4.28) Depth: 1/3 00:00:00 >1...Bc6! 2.Bxc6 > ± (1.31) Depth: 1/9 00:00:00 >1...Bg6! > ± (1.22) Depth: 1/9 00:00:00 >1...Rgd7! > ± (1.12) Depth: 1/9 00:00:00 >1...Rgd7! 2.Bxb7 > ± (1.06) Depth: 1/9 00:00:00 >1...Bb5! > ± (0.97) Depth: 1/9 00:00:00 >1...Qd7! > ² (0.69) Depth: 1/9 00:00:00 >1...Qd7 2.Qf3 > ± (0.78) Depth: 2/7 00:00:00 >1...Qd7-- > ± (1.09) Depth: 3/10 00:00:00 >1...Qd7-- 2.Rcd1 Qe7 3.Rxd8 > +- (1.97) Depth: 3/12 00:00:00 1kN >1...Qa7! > +- (1.91) Depth: 3/12 00:00:00 1kN >1...Qe5! > +- (1.87) Depth: 3/12 00:00:00 2kN >1...Qe5! 2.Bc2 Qf4 3.Qxe6 > +- (1.44) Depth: 3/12 00:00:00 3kN >1...Rb8! > +- (1.41) Depth: 3/12 00:00:00 3kN >1...Bh5! > ± (1.37) Depth: 3/12 00:00:00 3kN >1...Bh5! 2.Bxb7 > ± (1.09) Depth: 3/12 00:00:00 4kN >1...Bh5 2.Qxe6 Qxb2 3.Rc8 > ± (1.06) Depth: 4/11 00:00:00 7kN >1...Rgd7! > ± (1.03) Depth: 4/13 00:00:00 9kN >1...Rgd7! 2.Bxb7 Rb8 3.Rc8 > ± (0.97) Depth: 4/13 00:00:00 10kN >1...Rgd7 2.Qxe6 Qxb2 3.Rb1 Bf7 4.Rxb2 > ± (1.03) Depth: 5/15 00:00:00 21kN >1...Rgd7 2.Qxe6 Bg6 3.Bxg6 hxg6 4.b3 b6 > ± (1.12) Depth: 6/16 00:00:00 40kN >1...Rd6! > ± (1.09) Depth: 6/18 00:00:00 101kN >1...Rd6 2.Red1 Rb6 3.Rc8 Rg8 4.Rc7 Rg7 5.Rxd4 > ± (1.25) Depth: 7/22 00:00:00 246kN >1...Rgd7! > ± (1.22) Depth: 7/22 00:00:00 275kN >1...Rgd7! 2.Qxe6 Bg6 3.Bxg6 hxg6 4.b3 b6 5.h3 > ± (1.12) Depth: 7/22 00:00:00 293kN >1...Rgd7 2.Qxe6 Bg6 3.b4 Re8 4.Qg4 Bxe4 5.Rxe4 Qxe4 6.Qxd7 > ± (1.19) Depth: 8/21 00:00:00 467kN >1...Rgd7 2.Qxe6 Bf7 3.Qh3 Bb3 4.Bf5 Rg7 5.Re2 Bd5 > ± (1.19) Depth: 9/22 00:00:02 1285kN >1...Rgd7 2.Bxb7 Rb8 3.Rc8 Rdxb7 4.Qxe6 Kg7 5.Qxe8 Rxc8 6.Qxc8 Rxb2 > +- (1.44) Depth: 10/24 00:00:04 3075kN >1...Bh5! > +- (1.41) Depth: 10/24 00:00:06 4077kN >1...Bh5! 2.Bxb7 a5 3.Bc6 e5 4.Qe6 Rd6 5.Qc8+ Rg8 6.Qf5 Bg4 > ± (1.37) Depth: 10/24 00:00:06 4396kN >1...Rd6! > ± (1.34) Depth: 10/26 00:00:07 5193kN >1...Rd6! 2.Red1 Qb6 3.Qxb6 Rxb6 4.Rd8 Rg8 5.Rc7 Bg6 6.Rxg8+ Kxg8 7.Bxb7 > ± (1.19) Depth: 10/26 00:00:08 5537kN >1...Rd6 2.Red1 Qb6 3.Qxb6 Rxb6 4.Rd8 Rg8 5.Rc7 Bg6 6.Rxg8+ Kxg8 7.Bxb7 > ± (1.19) Depth: 11/25 00:00:14 9634kN >1...Rd6 2.Rc8 Re7 3.Bxb7 Rb6 4.Qd5 Qxd5 5.Bxd5 Kg7 6.b4 Rd6 7.Be4 > ± (1.34) Depth: 12/30 00:00:29 19961kN >1...Rd6 2.Rc8 Re7 3.Bxb7 Rb6 4.Qd5 Qxb2 5.Qc5 Rbxb7 6.Rxe6 > ± (1.31) Depth: 13/34 00:01:54 78424kN >1...Rd6 2.Rc8 Re7 3.Qf3 Kg7 4.b4 Bg6 5.Bxb7 Qd3 6.Qxd3 > ± (1.19) Depth: 14/35 00:05:18 218804kN >1...Rd6 2.Rc8 Re7 3.Bxb7 Rb6 4.Qd5 Qxd5 5.Bxd5 Kg7 6.b4 Rd6 > ± (1.28) Depth: 15/38 00:12:43 506958kN > >(Blass, Tel-aviv 06.04.2002)
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