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Subject: Re: position after black's 44th move

Author: Uri Blass

Date: 08:43:32 02/22/02

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Here is yace's opinion about move 44
Yace believes that the best for black was 44...h6 but the score goes down.

I suspect that the losing mistake was before 44..Rc2

New game - Junior 7
[D]3r3k/5p1p/1p1P1P2/p7/P2RNKP1/1P6/7r/8 b - - 0 1

Analysis by Yace 0.99.56:

44...Kg8 45.Rc4 Rh3 46.b4 Rd3 47.bxa5 bxa5
  ²  (0.31)   Depth: -1   00:00:00  61kN
44...Kg8 45.b4 axb4 46.Rxb4 Ra2 47.Rc4 Kf8 48.d7 h5 49.Rc8
  ²  (0.35)   Depth: -1   00:00:01  464kN
44...h5 45.Kg3 Rh1 46.Kg2 Rh4 47.Ng5 Rd7 48.Rd3
  ²  (0.34)   Depth: -1   00:00:01  464kN
44...h5 45.Kg3 Rh1 46.gxh5 Rxh5 47.d7 Kg8 48.Kg4 Re5 49.Kg3
  =  (0.20)   Depth: -1   00:00:01  464kN
44...h5 45.Kg3 Rh1 46.gxh5 Rxh5 47.d7 Kg8 48.Kg4 Rh6 49.b4 axb4 50.Rd5
  =  (0.20)   Depth: -1   00:00:02  464kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Rd3 Kg8 48.Nxg4 Kf8 49.Rd5 Rh3
  =  (0.17)   Depth: -1   00:00:07  2537kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Rh1 48.Ne5 Kg8 49.Rd6 Rf1+ 50.Ke4 Re1+
51.Kd5 Rd1+ 52.Kc6 Re1
  ²  (0.31)   Depth: -1   00:00:12  4513kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Rh5 48.Ne5 Rh4+ 49.Ke3 Rxd4 50.Kxd4 Kg8
51.Kd5 Kf8
  ²  (0.34)   Depth: -1   00:00:30  11905kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Kg8 48.Ke5 Rxd7 49.Rxd7 Rxg4 50.Rd8+ Kh7
51.Rf8 Kg6 52.Rg8+ Kh5 53.Rxg4
  ²  (0.55)   Depth: -1   00:01:00  23288kN
44...h6 45.b4 axb4 46.Rxb4 Ra2 47.Rxb6 Rxa4 48.Ke5 Kg8 49.Rb7 Kf8 50.Ng5 hxg5
51.Kf5
  ²  (0.54)   Depth: -1   00:01:25  31653kN
44...h6 45.Ke5 Rc2 46.Rc4 Re2 47.b4 Kg8 48.b5 Rh2 49.Kf4 Re2 50.Rc7 Kf8
  ²  (0.37)   Depth: -1   00:02:26  55201kN
44...h6 45.Nd2 Kg8 46.d7 Re2 47.Nc4 Re6 48.Kf5 Rc6 49.Ne5 Rc1 50.Rd6 Rf1+ 51.Ke4
Re1+ 52.Kd5 Rd1+ 53.Kc6 Re1
  ²  (0.57)   Depth: -1   00:04:22  102540kN
44...h5 45.d7 Rh4 46.Nf2 hxg4 47.Nxg4 Kg8 48.Kg5 Rh3 49.Rd6
  ²  (0.56)   Depth: -1   00:05:13  122854kN
44...h5 45.d7 Rh4 46.Ke5 hxg4 47.Rc4 Kh7 48.Kd6 g3 49.Kc7 g2 50.Kxd8 g1Q 51.Kc7
  ²  (0.56)   Depth: -1   00:05:28  129090kN
44...h5 45.d7 Rh4 46.Ke5 hxg4 47.Rc4 Kh7 48.Kd6 g3 49.Nxg3 Rh3 50.Rc8 Rxd7+
51.Kxd7 Rxg3 52.Ke7 b5 53.Kxf7
  ²  (0.59)   Depth: -1   00:08:35  198230kN
44...h6 45.Nd2 Kh7 46.d7 Re2 47.Nc4 Re6 48.Kf5 Kg8 49.Ne5
  ²  (0.58)   Depth: -1   00:09:49  225594kN
44...h6 45.Nd2 h5 46.Nf3 Rh1 47.d7 hxg4 48.Ne5 Rf1+ 49.Kg3 Kg8 50.Nc6 Rxd7
  ²  (0.51)   Depth: -1   00:12:27  289973kN
44...h6 45.Nd2 Re2 46.Nc4 Re6 47.Kf5 Rd7 48.Ne5 Rxe5+ 49.Kxe5 Kg8
  ²  (0.67)   Depth: 16   00:19:30  460321kN

(Blass, Tel-aviv 22.02.2002)



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