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Subject: Re: weak play by Fruit 2.2 (mate threat)

Author: Uri Blass

Date: 10:39:01 10/30/05

Go up one level in this thread


On October 29, 2005 at 17:42:59, Vincent Lejeune wrote:

>
>[d]r1b2rk1/5p2/1qpRp1p1/2p1Q3/2B5/1P6/6PP/3R2K1 b - - 0 32
>Here, fruit played 32...Rb8? with a +0.23 score , in fact after 33.Qf6 the score
>is already >+10 !
>
>32...Ba6 is a bit better but already lost too >+2
>
>Fruit should already smelled there's problem to solve in this position
>[d]1rb2rk1/5p2/1qpRp1p1/2p5/2B1Q3/1P6/6PP/3R2K1 b - - 0 31
>and play another move than 31...Ra8?

Fruit prefers 31...Qc7 and not 31...Ra8 after enough time


Pacificrabbit,S - Pizza Margherita,F, 10'/40+10'/40+10'/40
1rb2rk1/5p2/1qpRp1p1/2p5/2B1Q3/1P6/6PP/3R2K1 b - - 0 1

Analysis by Fruit 2.2.1:

31...Bb7
  ³  (-0.38)   Depth: 1/12   00:00:00
31...Bb7 32.Rd7
  ³  (-0.41)   Depth: 2/12   00:00:00
31...Bb7 32.Rd7 Ra8
  ³  (-0.29)   Depth: 3/12   00:00:00
31...Bb7 32.Rxe6 Kh8 33.Re7
  ±  (0.97)   Depth: 4/27   00:00:00
31...Ra8 32.Rxc6 Qb7 33.Kh1
  =  (-0.12)   Depth: 4/27   00:00:00
31...Qa5 32.Qe5 Ba6 33.Rd7 Bxc4 34.bxc4
  ³  (-0.42)   Depth: 4/27   00:00:00
31...Qa5 32.Qe5 Qb6 33.Rf1 Ra8
  =  (0.01)   Depth: 5/27   00:00:00
31...Ra8 32.Rxc6 Qb7 33.Kh1 Ra2
  =  (-0.16)   Depth: 5/27   00:00:00
31...Ra8 32.Qxc6 Qxc6 33.Rxc6 Ra5 34.Rc7 e5
  =  (-0.17)   Depth: 6/27   00:00:00  24kN
31...Ra8 32.Qxc6 Qxc6 33.Rxc6 Ra5 34.Rc7 Kg7 35.h4
  =  (-0.19)   Depth: 7/27   00:00:00  50kN
31...Ra8 32.Qxc6 Qxc6 33.Rxc6 Ra5 34.Rc7 Kg7 35.h4 e5
  =  (-0.25)   Depth: 8/27   00:00:00  121kN
31...Ra8 32.Qxc6 Qxc6 33.Rxc6 Ra5 34.Rc7 Kg7 35.Rf1 Ra2 36.Rxc5
  ³  (-0.27)   Depth: 9/31   00:00:01  316kN
31...Ra8 32.Rxc6 Qb7 33.Qf3 Ra2 34.b4 Rc2 35.Bd3 Bd7 36.Bxc2 Bxc6
  ³  (-0.31)   Depth: 10/31   00:00:01  779kN
31...Ra8 32.Rxc6 Qb7 33.Qf3 Ra5 34.Qe4 Ra2 35.b4 Qxb4 36.Rb1 Rb2 37.Rxb2 Qxb2
38.Rxc5
  ³  (-0.35)   Depth: 11/31   00:00:02  1416kN
31...Ra8 32.Rxc6 Qb7 33.Rf1 Ra2 34.Bxe6 Bxe6 35.Rxe6 Qxe4 36.Rxe4 Rd8 37.Ra4
Rxa4 38.bxa4 c4
  ³  (-0.36)   Depth: 12/37   00:00:16  9952kN
31...Ra8 32.Bxe6 Bxe6 33.Rxe6 Ra7 34.Rxg6+ fxg6 35.Qxg6+ Rg7 36.Qe6+ Rff7
37.Qc8+ Kh7 38.Qh3+ Kg6 39.Qg4+ Kh7 40.Qh3+
  =  (0.00)   Depth: 13/39   00:00:32  21146kN
31...Ra8 32.Bxe6 Bxe6 33.Rxe6 Ra7 34.Rxg6+ fxg6 35.Qxg6+ Rg7 36.Qe6+ Rff7
37.Qc8+ Kh7 38.Qh3+ Kg6 39.Qg4+ Kh7 40.Qh3+
  =  (0.00)   Depth: 14/45   00:00:44  29850kN
31...Ra8 32.Bxe6 Bxe6 33.Rxe6 Ra7 34.Rxg6+ fxg6 35.Qxg6+ Rg7 36.Qe6+ Rff7
37.Qc8+ Kh7 38.Qh3+ Kg6 39.Qg4+ Kh7 40.Qh3+
  =  (0.00)   Depth: 15/51   00:01:07  46377kN
31...Ra8 32.Bxe6 Bxe6 33.Rxe6 Ra7 34.Rxg6+ fxg6 35.Qxg6+ Rg7 36.Qe6+ Rff7
37.Qc8+ Kh7 38.Qh3+ Kg6 39.Qg4+ Kh7 40.Qh3+
  =  (0.00)   Depth: 16/51   00:01:44  73883kN
31...Ra8 32.Bxe6 Bxe6 33.Rxe6 Ra7 34.Rxg6+ fxg6 35.Qxg6+ Rg7 36.Qe6+ Rff7
37.Qc8+ Kh7 38.Qh3+ Kg6 39.Qg4+ Kh7 40.Qh3+
  =  (0.00)   Depth: 17/57   00:03:11  139228kN
31...Ra8 32.Qe5 Qc7 33.Qf6 Ra7 34.Rd8 Bd7 35.R8xd7 Qxd7 36.Rxd7 Rxd7 37.h4 Ra8
38.Qg5 Ra2 39.Qxc5 Rd1+ 40.Kh2 Rdd2 41.Qxc6 Rxg2+ 42.Qxg2 Rxg2+ 43.Kxg2
  +-  (1.84)   Depth: 18/69   00:26:39  1162344kN
31...Qa5 32.Qe5 f6 33.Bxe6+ Bxe6 34.Qxe6+ Rf7 35.Rd7 Rbf8 36.Rxf7 Rxf7 37.Rd7
Qa1+ 38.Kf2 Qb2+ 39.Kf3 Qc3+ 40.Kg4 f5+ 41.Kg5 Qg7 42.Rxf7 Qxf7 43.Qxg6+ Qxg6+
44.Kxg6 f4 45.Kf5 f3 46.gxf3
  +-  (1.80)   Depth: 18/73   00:34:22  1522053kN
31...Qc7 32.Qe5 Rb7 33.Qxc5 Qb6 34.Rxc6 Qxc5+ 35.Rxc5 Kg7 36.Bb5 f6 37.Ba6 Rd7
38.Rxd7+ Bxd7 39.Rc7 Rf7 40.Bc4 f5 41.b4 Ba4 42.Rxf7+ Kxf7 43.b5
  =  (0.16)   Depth: 18/73   00:55:31  2492360kN, tb=1
31...Qc7 32.Qe5 Rb7 33.h3 Re8 34.Qxc5 Qb6 35.Rxc6 Qxc5+ 36.Rxc5 Bd7 37.Ba6 Ra7
38.b4 e5 39.Be2 f6 40.Bc4+ Kg7 41.Ra5 Rc7 42.b5
  =  (0.13)   Depth: 19/73   01:07:16  3019858kN, tb=1
31...Qc7 32.Qe5 Rb7 33.h3 Re8 34.Qxc5 Qb6 35.Rxc6 Qxc5+ 36.Rxc5 Bd7 37.Ba6 Ra7
38.b4 e5 39.Bc4 e4 40.b5 Rb8 41.Rd6 Kg7 42.b6
  =  (0.17)   Depth: 20/73   01:20:35  3612855kN, tb=1

(,  30.10.2005)

Uri



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