Computer Chess Club Archives


Search

Terms

Messages

Subject: Gurevich blundered twice in a winning position to only draw

Author: Roy Eassa

Date: 11:26:21 05/17/02




Can anybody find holes in, or add to, this analysis?  Thanks!


Today's game.  Gurevich is White; Junior 7 is Black.  White to move.  Analysis:

[d] 3kb3/1R1n4/4p3/3pN3/2pP4/p1P1N3/r1BK2P1/8 w - - 0 48
48.Nc6+

   [48.Nxd7 Bxd7 49.g4 Be8 50.Rb8+ Ke7 51.Kc1 Ra1+ 52.Rb1 Rxb1+ 53.Kxb1 +-]

48...Kc8 49.Ra7??

   [49.Rb1! Nf6 50.Nb4 Ne4+ 51.Kc1 Nxc3
      (51...Rxc2+ 52.Nexc2 Nxc3 53.Ra1 +-)
    52.Nxa2 Nxa2+ 53.Kd2 c3+ 54.Kd1 Nb4 55.Rb3 +-]

49...Nf6 50.Nb4

   [50.Ne5 Kb8
      (50...Ne4+ 51.Ke1 Ra1+ 52.Ke2 Kb8 53.Re7 Nxc3+ 54.Kd2 Bb5 55.Kxc3 Rc1
       56.Kb4! a2 57.Kxb5 a1Q 58.Nc6+ Kc8
          (58...Ka8 59.Ba4 Rb1+ 60.Ka5 +-)
       59.Nxd5! Qb2+ 60.Kc5 Qa3+ 61.Kb6 Qxe7 62.Ndxe7+ +-)
    51.Ra6 Ne4+ 52.Ke1 Nxc3 53.Rxe6 Ba4! 54.Nc6+ Bxc6 55.Rxc6 Kb7 =]

50...Ne4+ 51.Ke1 Ra1+ 52.Nd1??

   [52.Bd1 Nxc3
      (52...Bh5 53.Nbc2 Rc1 54.g4 +-)
    53.Nbc2 Nxd1
       (53...Rb1 54.Rxa3 +-)
       (53...Ra2 54.Rxa3 Rxa3 55.Nxa3 +-)
    54.Nxd1 Ra2 55.Nde3 Bg6 56.Kd1+-]

    [52.Ke2 Bh5+ 53.g4 Nxc3+ 54.Kd2 Nb5 55.Rg7 a2 56.Nxa2 Bxg4 57.Nc3 Nxc3
     58.Kxc3 Ra3+ 59.Kd2 c3+ 60.Ke1 Bh5 ±]

52...Bh5 53.Ba4 Kb8 54.Nc6+ Kc8 55.Nb4 Kb8 56.Nc6+ Kc8 57.Nb4 ½-½



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.