Author: Uri Blass
Date: 03:51:34 03/29/01
Go up one level in this thread
On March 29, 2001 at 05:58:30, Uri Blass wrote: >On March 28, 2001 at 22:55:38, Mike S. wrote: > >>On March 28, 2001 at 11:59:16, Gian-Carlo Pascutto wrote: >> >>>[D]r1b1k2r/5pp1/p2bp3/3q1nN1/P2p2np/3P2P1/1BP1BP1P/RN1Q1RK1 w kq - 0 2 >>Hiarcs 7.32, on P3/700 MHz (32 MB hash): >> >>1.Bxg4 Nxg3 2.fxg3 Qxg5 3.Qf3 hxg3 4.Qxf7+ Kd8 >> +- (2.89) depth: 1 00:00:00 >> +- (2.06) depth: 7/25 00:00:11 922kN >>1.Bf3 Qe5 >> +- (2.58) depth: 7/25 00:00:15 1219kN >> +- (2.51) depth: 10/29 00:03:21 13914kN >> >> >>and for black, after 1.Bxg4: >> >>New position >>r1b1k2r/5pp1/p2bp3/3q1nN1/P2p2Bp/3P2P1/1BP2P1P/RN1Q1RK1 b kq - 0 1 >> >>1...Nxg3 2.fxg3 Qxg5 3.Qf3 hxg3 4.Bxd4 Bc5 5.Qc6+ Bd7 >> +- (2.85) depth: 4/19 00:00:00 >> +- (2.04) depth: 9/29 00:03:59 18475kN > >Deep Fritz suggests 1...hxg3 after 1.Bxg4 > >New position >r1b1k2r/5pp1/p2bp3/3q1nN1/P2p2Bp/3P2P1/1BP2P1P/RN1Q1RK1 b kq - 0 1 > >Analysis by Deep Fritz: > >1...hxg3! > +- (2.22) Depth: 1/5 00:00:00 >1...hxg3! 2.fxg3 Ne3 > +- (1.59) Depth: 1/8 00:00:00 >1...Nxg3! > +- (1.56) Depth: 1/8 00:00:00 >1...Nxg3! 2.fxg3 Qxg5 3.Qf3 hxg3 > ± (1.25) Depth: 1/8 00:00:00 >1...Nxg3 2.Bf3 Qxg5 > ± (1.37) Depth: 2/11 00:00:00 >1...hxg3! > ± (1.34) Depth: 2/12 00:00:00 >1...hxg3! 2.fxg3 Nxg3 3.hxg3 Rh1+ 4.Kf2 > ± (1.16) Depth: 2/12 00:00:00 1kN >1...hxg3! > ± (0.84) Depth: 3/20 00:00:00 2kN >1...hxg3! 2.fxg3 Ne3 3.Qf3 Nxf1 > = (0.12) Depth: 3/20 00:00:00 5kN >1...hxg3-- > ² (0.69) Depth: 4/19 00:00:00 8kN >1...hxg3-- 2.Bf3 Ne3 3.fxe3 Qxg5 > ± (1.22) Depth: 4/19 00:00:00 9kN >1...hxg3 2.Bf3 Ne3 3.fxe3 Qxg5 4.Bc6+ Kd8 > ± (1.37) Depth: 5/18 00:00:00 24kN >1...hxg3-- > +- (1.69) Depth: 6/19 00:00:00 51kN >1...hxg3-- 2.Bf3 Ne3 3.Bxd5 Nxd1 > +- (2.12) Depth: 6/20 00:00:00 64kN >1...Nxg3! > +- (2.09) Depth: 6/21 00:00:00 73kN >1...Nxg3! 2.fxg3 Qxg5 3.Qf3 hxg3 4.hxg3 e5 5.Qxa8 > +- (1.84) Depth: 6/21 00:00:00 95kN >1...Nxg3 2.fxg3 Qxg5 3.Qf3 hxg3 4.hxg3 e5 5.Qxa8 Qxg4 6.Qc6+ > +- (1.84) Depth: 7/25 00:00:00 236kN >1...Qb7! > +- (1.81) Depth: 7/29 00:00:00 380kN >1...Qb7! 2.Qf3 Rb8 3.Ra2 Qxf3 4.Nxf3 hxg3 5.hxg3 Nh6 > +- (1.69) Depth: 7/29 00:00:00 534kN >1...Qb7 2.Qf3 Rb8 3.Qxb7 Rxb7 4.Ra2 hxg3 5.hxg3 Nh6 6.Bf3 Rb4 > +- (1.81) Depth: 8/32 00:00:01 1101kN >1...Qb7 2.Qf3 Rb8 3.Qxb7 Rxb7 4.Ra2 hxg3 5.hxg3 Be7 6.Bxf5 Bxg5 > +- (1.84) Depth: 9/30 00:00:04 3009kN >1...Qb7 2.Qf3 Qxf3 3.Bxf3 Rb8 4.Ra2 hxg3 5.hxg3 e5 6.Bc6+ > +- (1.94) Depth: 10/34 00:00:16 10322kN >1...Nxg3! > +- (1.91) Depth: 10/34 00:00:21 13066kN >1...Nxg3! 2.fxg3 Qxg5 3.Qf3 hxg3 4.h3 Qe3+ 5.Kg2 Rb8 6.Qxf7+ Kd8 7.Qxg7 > +- (1.56) Depth: 10/34 00:00:23 14196kN >1...Nxg3 2.fxg3 Qxg5 3.Qf3 hxg3 4.h3 Ra7 5.Qc6+ Ke7 6.Bxd4 Rc7 7.Rxf7+ > +- (1.62) Depth: 11/32 00:00:36 22010kN >1...Nxg3 2.fxg3 Qxg5 3.Qf3 hxg3 4.h3 Qe3+ 5.Kg2 Qxf3+ 6.Bxf3 Rb8 7.Bxd4 > +- (1.56) Depth: 12/37 00:01:28 54439kN >1...Nxg3 2.Qf3 Qxf3 3.Bxf3 Nxf1 4.Bxa8 Nxh2 5.Na3 Ng4 > +- (1.47) Depth: 13/37 00:04:29 168066kN >1...hxg3! > +- (1.44) Depth: 13/38 00:06:22 243192kN >1...hxg3! 2.Bf3 Qe5 3.Bxa8 Rxh2 4.Bc1 g2 5.Bc6+ Ke7 6.Nf3 > ± (1.00) Depth: 13/41 00:09:14 357155kN >1...hxg3 2.Bf3 Qe5 3.Bxa8 Rxh2 4.Bc1 g2 5.Bc6+ Ke7 6.Nf3 > ± (0.97) Depth: 14/43 00:16:04 632774kN > >(blass, tel-aviv 29.03.2001) > >Uri This main line is not good for white. After 4.Bc1 gxf2+ is winning for black. Maybe White can improve in previous moves New position B1b1k3/5pp1/p2bp3/4qnN1/P2p4/3P2p1/1BP2P1r/RN1Q1RK1 w - - 0 1 Analysis by Deep Fritz: 4.fxg3-- +- (4.06) Depth: 1/7 00:00:00 4.fxg3-- Qxg3+ 5.Bg2 Qxg2# -+ (-#2) Depth: 1/7 00:00:00 4.Nxf7! -+ (-2.56) Depth: 1/7 00:00:00 4.Nxf7! Kxf7 +- (2.72) Depth: 1/8 00:00:00 4.Ne4! +- (3.41) Depth: 1/10 00:00:00 4.Ne4! +- (4.13) Depth: 1/10 00:00:00 4.Bc6+! +- (4.19) Depth: 1/11 00:00:00 4.Bc6+ Ke7 5.Ne4 +- (4.47) Depth: 2/11 00:00:00 4.Ne4! +- (4.50) Depth: 2/11 00:00:00 4.Ne4! gxf2+ +- (4.59) Depth: 2/11 00:00:00 4.Ne4 gxf2+ 5.Rxf2 Ne3 6.Nxd6+ Qxd6 +- (4.59) Depth: 3/13 00:00:00 1kN 4.Bc6+! +- (4.63) Depth: 3/13 00:00:00 1kN 4.Bc6+! Ke7 5.Ne4 g2 +- (4.78) Depth: 3/13 00:00:00 2kN 4.Bc6+-- +- (4.47) Depth: 4/18 00:00:00 5kN 4.Bc6+-- Bd7 5.Qf3 g2 6.Rc1 +- (4.34) Depth: 4/18 00:00:00 7kN 4.Ne4! +- (4.38) Depth: 4/19 00:00:00 9kN 4.Ne4! gxf2+ 5.Rxf2 Ne3 +- (4.59) Depth: 4/19 00:00:00 9kN 4.Ne4 gxf2+ 5.Rxf2 Rxf2 6.Nxd6+ Qxd6 7.Kxf2 +- (4.78) Depth: 5/21 00:00:00 26kN 4.Ne4-- +- (4.47) Depth: 6/20 00:00:00 36kN 4.Ne4-- +- (4.47) Depth: 6/20 00:00:00 53kN 4.Ne4-- = (0.00) Depth: 7/26 00:00:00 162kN 4.Ne4-- = (0.00) Depth: 7/26 00:00:00 168kN 4.Bc6+! = (-0.12) Depth: 7/26 00:00:00 186kN 4.Bc6+! Ke7 5.Ne4 g2 6.Nxd6 gxf1Q+ 7.Qxf1 ± (1.09) Depth: 7/26 00:00:01 614kN 4.Bc6+-- ± (0.78) Depth: 8/32 00:00:02 1698kN 4.Bc6+-- Bd7 5.Qf3 g2 6.Bxd7+ Kxd7 7.Qb7+ Bc7 8.Nf3 ² (0.28) Depth: 8/32 00:00:03 2044kN 4.Qd2! ² (0.31) Depth: 8/32 00:00:04 2554kN 4.Qd2! gxf2+ 5.Rxf2 Qg3+ 6.Rg2 Rxg2+ 7.Bxg2 Qh2+ 8.Kf1 Ne3+ ² (0.47) Depth: 8/32 00:00:04 2615kN 4.Bc1! ² (0.50) Depth: 8/32 00:00:04 2857kN 4.Bc1! g2 5.Bc6+ Ke7 6.Nf3 gxf1Q+ 7.Qxf1 ± (1.00) Depth: 8/32 00:00:04 2901kN 4.Bc1 g2 5.Bc6+ Ke7 6.Nf3 Nh4 7.Nxh4 gxf1Q+ 8.Qxf1 ± (0.97) Depth: 9/27 00:00:05 3275kN 4.Bc1 g2 5.f4 gxf1Q+ 6.Qxf1 ± (0.75) Depth: 10/30 00:00:08 5689kN 4.Bc1-- ² (0.44) Depth: 11/32 00:00:18 12701kN 4.Bc1-- gxf2+ 5.Rxf2 Qg3+ 6.Rg2 Qh4 7.Nh3 Qxh3 8.Qd2 Rh1+ 9.Kf2 Ne3 = (0.00) Depth: 11/34 00:00:21 14215kN 4.Bc1-- ³ (-0.31) Depth: 12/32 00:00:55 37923kN 4.Bc1-- gxf2+ 5.Rxf2 Qg3+ 6.Rg2 Qh4 7.Nh3 Qxh3 8.Bc6+ Kf8 9.Kf2 Nh4 -+ (-2.25) Depth: 12/39 00:01:01 42482kN 4.Qd2! -+ (-2.22) Depth: 12/39 00:01:10 49278kN 4.Qd2! g2 5.Bc6+ Kf8 6.Nf3 Ne3 7.Qxe3 Qh5 8.Nxd4 Qg4 9.Nxe6+ Kg8 -+ (-2.12) Depth: 12/39 00:01:44 72785kN 4.Qd2-- -+ (-2.44) Depth: 13/35 00:03:53 162606kN (blass, tel-aviv 29.03.2001) Uri
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