Author: Uri Blass
Date: 13:04:54 11/22/05
Go up one level in this thread
On November 22, 2005 at 15:22:18, A. Steen wrote: >On November 22, 2005 at 06:25:35, Ted Summers wrote: > >>I read here on this forum that other users of Fritz 9 did not have this blunder. >>So I gave my copy of Fritz 9 a shot at the game to annotate. My Fritz 9 not only >>see's 39. ...Bc2 as a big mistake, but it states that Qxg3 was winning for >>black. > > >What do you mean by "big mistake"? > >Did it show (in multi-variation mode) Bc2 with a positive (i.e. favouring white) >evaluation?? > >Mine certainly does not. It prefers QxQ, but > >Please explain what you mean by "big mistake". The consequences from the two >UPP are beyond the horizon of any of these computers IMO at move 39. even if you draw instead of winning it is a big mistake. I am not sure if Bc2 is the losing mistake and maybe black can draw even after Bc2 by 41...Bxb3 but Fruit can see score that is close to draw easily after Bc2 6: Ponomariov,R - Fritz, Man vs Machine II 2005 [D]6k1/5p2/pn1p4/N2p2p1/PP1Pp2q/1Br1P1QP/2b3K1/4R3 w - - 0 1 Analysis by Fruit 2.2.1: 40.Qxh4 gxh4 = (-0.24) Depth: 1/5 00:00:00 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 µ (-0.86) Depth: 2/12 00:00:00 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 µ (-0.86) Depth: 3/12 00:00:00 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 axb5 44.axb5 µ (-0.96) Depth: 4/12 00:00:00 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 Nc4 µ (-1.02) Depth: 5/12 00:00:00 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc7 Bxa4 µ (-1.34) Depth: 6/16 00:00:00 9kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc7 Bxa4 µ (-1.34) Depth: 7/16 00:00:00 19kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 axb5 44.axb5 Bc4 45.Rb1 Kg7 µ (-1.32) Depth: 8/22 00:00:00 36kN 40.Qxh4 gxh4 41.Bxc2 Rxc2+ 42.Kh1 Nc4 43.Nxc4 dxc4 44.Rg1+ Kf8 45.Rg4 Rb2 46.Rxh4 Rxb4 47.Rxe4 Rxa4 -+ (-1.47) Depth: 9/22 00:00:00 99kN 40.Qxh4 gxh4 41.Bxc2 Rxc2+ 42.Kh1 Nc4 43.Nxc4 dxc4 44.Rg1+ Kf8 45.Rg4 Rb2 46.Rxe4 c3 -+ (-1.52) Depth: 10/28 00:00:01 153kN 40.Qxh4 gxh4 41.Bxc2 Rxc2+ 42.Kf1 Nxa4 43.Re2 Rc1+ 44.Re1 Rc7 45.Ra1 Nb6 46.Nb3 Nc4 -+ (-1.55) Depth: 11/28 00:00:01 310kN 40.Qxh4 gxh4 41.Bxc2 Rxc2+ 42.Kf1 Nxa4 43.Re2 Rc1+ 44.Re1 Rc7 45.Re2 Kf8 46.Ra2 Nb6 47.Rg2 Rc1+ 48.Ke2 -+ (-1.55) Depth: 12/29 00:00:01 580kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.a5 Nc4 44.Kf2 Ba4 45.Rg1+ Kf8 46.Rg4 Nb2 47.Rxh4 Nd3+ 48.Ke2 Nxb4 -+ (-1.76) Depth: 13/30 00:00:01 1408kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.a5 Nc4 44.b5 Nxe3+ 45.Kf2 Nc4 46.bxa6 Ba4 47.a7 Bc6 48.Rb1 e3+ 49.Ke2 Kg7 µ (-1.15) Depth: 14/38 00:00:02 2437kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.a5 Nc4 44.b5 Nxe3+ 45.Kf2 Nc4 46.bxa6 Ba4 47.a7 Bc6 48.Rb1 e3+ 49.Ke2 Kg7 50.Rb8 µ (-0.88) Depth: 15/39 00:00:05 5220kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc6 Nxa4 45.b6 Nxb6 46.Rxb6 a4 47.Rb7 Kg7 48.Kf2 Kf6 49.Ra7 Ke6 ³ (-0.53) Depth: 16/43 00:00:10 9941kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc6 Nxa4 45.Rxd6 Bc4 46.b6 Nxb6 47.Rxb6 a4 48.Rb8+ Kg7 49.Ra8 Bb5 50.Ra7 Kf6 = (-0.18) Depth: 17/45 00:00:19 18141kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc6 Nxa4 45.Rxd6 Kg7 46.b6 Nxb6 47.Rxb6 a4 48.Rb7 Kf6 49.Kf2 Ke6 50.Ke2 f6 = (-0.09) Depth: 18/49 00:00:31 29632kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc6 Nxa4 45.Rxd6 Kg7 46.b6 Nxb6 47.Rxb6 a4 48.Rb7 Kf6 49.Kf2 Ke6 50.Rb6+ Kf5 51.Rb7 f6 = (-0.23) Depth: 19/54 00:00:55 49882kN 40.Qxh4 gxh4 41.Rc1 Rxb3 42.Nxb3 Bxb3 43.b5 a5 44.Rc6 Nxa4 45.Rxd6 Kg7 46.b6 Nxb6 47.Rxb6 a4 48.Ra6 f6 49.Kf2 Kf7 50.Ke1 Kg6 51.Kd2 Kf5 = (-0.10) Depth: 20/60 00:02:46 148886kN (, 22.11.2005) Uri
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