Author: Howard Exner
Date: 05:46:23 12/19/00
Go up one level in this thread
On December 19, 2000 at 08:15:56, Enrique Irazoqui wrote: >On December 19, 2000 at 08:00:08, Laurence Chen wrote: > >>The drawish score is wrong. See (Enrique Irazoqui) Deep Fritz analysis after >>playing 1 ... Bg7!!. Black has a forced win. The key move is 4. ... Ned3! ( 1. >>... Bg7!!, 2. Ng1 Rxg3!, 3. Ne2 Rf3, 4. Ng1 Ned3!) which leads to a forced won >>endgame for Black. >>Regards, >>Laurence > >As Dan Andersson said, 4... c5+ is even better. That's the analysis of Deep >Fritz after 4.Ng1: > >New position >r5k1/ppp3bp/3p4/3Pn3/1n1KP1p1/1P3r2/PBB4R/R2Q2N1 b - - 0 1 > >Analysis by DEEP FRITZ : > >4...Nxc2+! > +- (6.47) Depth: 1/3 00:00:00 >4...Nxc2+! 5.Qxc2 Nd3+ 6.e5 > +- (4.37) Depth: 1/15 00:00:00 >4...c5+! > +- (4.28) Depth: 1/17 00:00:00 >4...c5+! 5.dxc6 Nexc6+ 6.Kc4 > +- (3.87) Depth: 1/17 00:00:00 >4...Ned3+! > +- (3.81) Depth: 1/17 00:00:00 >4...Ned3+! 5.e5 Bxe5+ 6.Ke4 > +- (2.47) Depth: 1/17 00:00:00 1kN >4...Ned3+! > +- (2.09) Depth: 2/13 00:00:00 1kN >4...Ned3+! 5.Kc4 Nxb2+ 6.Kxb4 a5+ 7.Kb5 > = (0.25) Depth: 2/15 00:00:00 1kN >4...Rg3! > = (0.00) Depth: 2/15 00:00:00 2kN >4...Rg3 > = (0.00) Depth: 3/3 00:00:00 4kN >4...Ned3+! > = (0.09) Depth: 3/16 00:00:00 4kN >4...Ned3+ 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 Nxd1 8.Rxd1 > = (0.09) Depth: 4/16 00:00:00 15kN >4...Ned3+ 5.Kc4 Nxb2+ 6.Kxb4 a5+ 7.Kb5 Rc3 8.b4 c6+ 9.Kb6 Nxd1 10.Rxd1 > = (0.06) Depth: 5/22 00:00:00 56kN >4...Ned3+ 5.Kc4 Nxb2+ 6.Kxb4 a5+ 7.Kb5 Rc3 8.b4 c6+ 9.Kb6 Nxd1 10.Rxd1 > = (0.06) Depth: 6/24 00:00:00 149kN >4...c5+! > = (0.03) Depth: 6/25 00:00:00 189kN >4...c5+! 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 > = (-0.22) Depth: 6/27 00:00:00 251kN >4...c5+ 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > = (-0.22) Depth: 7/30 00:00:00 569kN >4...c5+ 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > = (-0.22) Depth: 8/30 00:00:00 1670kN >4...c5+ 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > = (-0.16) Depth: 9/31 00:00:02 5163kN >4...Ned3+! > = (-0.19) Depth: 9/31 00:00:02 5523kN >4...Ned3+! 5.Kc4 Nxb2+ 6.Kxb4 a5+ 7.Kb5 Rc3 8.b4 Nxd1 9.Bxd1 Re3 10.Rc1 > ³ (-0.41) Depth: 9/31 00:00:03 6168kN >4...Ned3+! > µ (-0.72) Depth: 10/27 00:00:04 8885kN >4...Ned3+! 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4 Bxd4 9.Kb4 Nd3+ 10.Bxd3 > -+ (-1.94) Depth: 10/30 00:00:05 11202kN >4...Ned3+! > -+ (-2.25) Depth: 11/29 00:00:11 22245kN >4...Ned3+! 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4 Bxd4 9.Rg2 Nc4+ 10.Kb4 > -+ (-2.34) Depth: 11/30 00:00:13 24878kN >4...Ned3+ 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4 Bxd4 9.Nxf3 Bc3 10.b4 > -+ (-2.38) Depth: 12/35 00:00:30 58562kN >4...Ned3+-- > -+ (-2.06) Depth: 13/35 00:01:20 154468kN >4...Ned3+-- 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4 Bxd4 9.Nxf3 Bc3 10.b4 > -+ (-1.69) Depth: 13/36 00:01:26 165558kN >4...c5+! > -+ (-1.72) Depth: 13/36 00:01:40 192167kN >4...c5+! 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > -+ (-2.00) Depth: 13/43 00:02:48 326807kN >4...c5+ 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > -+ (-2.00) Depth: 14/44 00:06:34 772378kN >4...Ned3+! > -+ (-2.03) Depth: 14/44 00:07:42 901843kN >4...Ned3+! 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4 Bxd4 9.Nxf3 Bc3 10.b4 > -+ (-2.16) Depth: 14/44 00:08:12 955024kN >4...Ned3+ 5.Kc4 Nxb2+ 6.Kxb4 Bc3+ 7.Ka3 b5 8.Qd4 Bxd4 9.Nxf3 Bc3 10.b4 > -+ (-1.88) Depth: 15/43 00:12:30 1436490kN >4...c5+! > -+ (-1.91) Depth: 15/43 00:12:31 1438299kN >4...c5+! 5.dxc6 Ned3+ 6.Kc4 b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > -+ (-2.16) Depth: 15/45 00:22:03 2546546kN >4...c5+ 5.dxc6 Ned3+ 6.Kc4 But then Josh's idea of e5 ! first instead of Kc4 prolongs the game. I prefer your original analysis of omitting c5+ and just going with Ne3+. >b5+ 7.Kxb5 Rb8+ 8.Ka4 Nxb2+ 9.Ka3 Nxd1 10.Rxd1 > -+ (-2.16) Depth: 16/46 00:49:25 5737582kN > >(Irazoqui, Cadaqués 19.12.2000)
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