Computer Chess Club Archives

Search

Messages

Subject: Re: Very very tough test position for Rybka, Nikolic vs Fischer 1968

Author: emerson tan

Date: 03:03:45 12/15/05

Go up one level in this thread

On December 15, 2005 at 04:02:38, emerson tan wrote:

>I posted the position of Nikolic vs Fischer 5 years ago in this forum and no
>program can find Fischer's 19...Bg4!! even if you let all the programs compute
>for several days.
>

75127: Nikolic,E - Fischer,R, Vinkovci 1968
[D] r3r1k1/pp1q1p2/2p2npb/PPPp1bnp/3PpN2/2N1P1PP/1R1B1PBK/3Q1R2 b - - 0 1

Analysis by Deep Fritz 8:

19...Bg7 20.Qe2 Reb8 21.b6 axb6 22.axb6 Re8
  ³  (-0.27)   Depth: 6/28   00:00:00  143kN
19...Bg7 20.Qe2 Reb8 21.b6 Qe7 22.bxa7 Rxa7 23.Ra1
  =  (-0.13)   Depth: 7/23   00:00:00  194kN
19...Bg7 20.Qe2 Reb8 21.b6 Re8 22.bxa7 Rxa7 23.Ra1 Ra6
  =  (-0.18)   Depth: 8/27   00:00:00  416kN
19...Bg7 20.Qe2 Reb8 21.Ra1 Qc8 22.Rab1 cxb5 23.Nfxd5 Nxd5 24.Nxd5 Bxh3
  =  (0.01)   Depth: 9/32   00:00:02  1136kN
19...Qc7!
  =  (0.01)   Depth: 9/32   00:00:03  1491kN
19...Qc7 20.a6 bxa6 21.bxc6 Qxc6 22.Qb3 Red8 23.Qb7 Rac8 24.Qxc6 Rxc6
  =  (-0.04)   Depth: 9/32   00:00:04  2252kN
19...Rab8!
  =  (-0.04)   Depth: 9/33   00:00:05  2525kN
19...Rab8 20.Qe2 Bg7 21.Ra1 h4 22.gxh4 Ne6 23.Nxe6 Bxe6 24.a6 Qc7+ 25.Kg1 cxb5
  =  (-0.08)   Depth: 10/32   00:00:09  4628kN
19...Rab8 20.Qe2 Bg7 21.Ra1 Ne6 22.a6 b6 23.bxc6 Qxc6 24.cxb6 Nxf4
  =  (0.02)   Depth: 11/36   00:00:21  10935kN
19...h4!
  =  (0.02)   Depth: 11/36   00:00:51  27057kN
19...h4 20.Qe2 hxg3+ 21.fxg3 Kg7 22.g4 Be6 23.Qf2 cxb5 24.Nxb5 Nf3+ 25.Bxf3 exf3
26.Nxe6+ Qxe6 27.Qxf3
  =  (0.01)   Depth: 12/41   00:01:16  40499kN
19...h4 20.g4 Be6 21.Qa4 Rab8 22.a6 bxa6 23.Qxa6 cxb5 24.Rxb5 Bg7 25.Rfb1 Rxb5
26.Nxb5 Rb8 27.Nxe6 fxe6
  =  (0.09)   Depth: 13/39   00:02:35  83639kN
19...Rab8!
  =  (0.08)   Depth: 13/39   00:02:50  92339kN
19...Rab8 20.Qe2 Bg7 21.Ra1 Rec8 22.a6 b6 23.bxc6 Rxc6 24.Rb5 Qd8 25.cxb6 Rcxb6
  =  (0.03)   Depth: 13/39   00:03:11  104208kN
19...Bg7!
  =  (0.03)   Depth: 13/39   00:03:38  118513kN
19...Bg7 20.Qe2 Reb8 21.Ra1 Qc8 22.Be1 Qd8 23.a6 b6 24.cxb6 Rxb6 25.bxc6 Rxc6
  =  (-0.04)   Depth: 13/39   00:05:03  163783kN
19...Bg7 20.Qe2 Reb8 21.Ra1 Qc8 22.Rb4 Qd8 23.a6 b6 24.Rab1 bxc5 25.dxc5 Qc8
26.h4 Ng4+
  =  (0.02)   Depth: 14/45   00:06:31  212032kN
19...Bg7 20.Qe2 Reb8 21.Ra1 Qc8 22.Rb4 Kh8 23.Ra3 Bd7 24.Qf1 Bf5 25.Qe2
  =  (0.00)   Depth: 15/42   00:12:55  424531kN
19...Bg7 20.Qe2 Reb8 21.Ra1 Qc8 22.Rc1 Qc7 23.Ra1 Qc8
  =  (0.00)   Depth: 16/48   00:23:03  765452kN
19...Bg7 20.Qe2 Reb8 21.Ra1 Qc8 22.Rc1 Qc7 23.Ra1 Qc8
  =  (0.00)   Depth: 17/46   00:44:24  1487152kN

(,  15.12.2005)

• Re: Very very tough test position for Rybka, Nikolic vs Fischer 1968 emerson tan 04:04:58 12/15/05
  • Re: Very very tough test position for Rybka, Nikolic vs Fischer 1968 emerson tan 05:48:14 12/15/05
    • Re: Very very tough test position for Rybka, Nikolic vs Fischer 1968 emerson tan 07:26:41 12/15/05
      • Re: Very very tough test position for Rybka, Nikolic vs Fischer 1968 emerson tan 08:04:34 12/15/05
        • Re: Very very tough test position for Rybka, Nikolic vs Fischer 1968 emerson tan 01:31:34 12/16/05

This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.