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Subject: A surprised weakness of Shredder 9 (Endgame) !

Author: Eduard Nemeth

Date: 02:05:01 11/16/05


A surprised weakness of Shredder 9 !

Full game see here:

http://www.talkchess.com/forums/1/message.html?461956

After move 38 white (analyses on P3 600 MHz, 64 MB hash, 8 MB TB Cache):

Solist,Toga 1.0MV.3 - Christian eck,Shredder 9 SE, Wertungspartie,16+0 2005

[D]8/1p5p/p7/1P3pk1/P1P5/5K2/5P2/8 b - - 0 1

Analysis by Shredder 9.1 UCI:

38...axb5 39.cxb5
  ³  (-0.29)   Tiefe: 7/10   00:00:00  3kN
38...axb5 39.cxb5 Kf6 40.a5 h6 41.a6 bxa6
  +-  (1.69)   Tiefe: 7/12   00:00:00  5kN
38...h5
  +-  (1.68)   Tiefe: 7/12   00:00:00  5kN
38...h5
  ±  (1.33)   Tiefe: 7/12   00:00:00  5kN
38...h5 39.bxa6 bxa6 40.c5 Kf6 41.c6 Ke6 42.Kg3
  ±  (1.20)   Tiefe: 7/12   00:00:00  6kN
38...a5
  ±  (1.17)   Tiefe: 7/12   00:00:00  6kN
38...a5 39.c5 Kf6
  ±  (1.17)   Tiefe: 7/12   00:00:00  7kN
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 7/12   00:00:00  8kN
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 7/12   00:00:00  8kN
38...Kg6
  +-  (4.39)   Tiefe: 8/8   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 8/8   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:00  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:01  38kN
38...Kg6
  +-  (4.39)   Tiefe: 9/16   00:00:01  38kN
38...Kg6 39.c5
  +-  (4.39)   Tiefe: 9/16   00:00:01  38kN
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 9/16   00:00:01  43kN
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 9/16   00:00:01  43kN
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 10/10   00:00:01  43kN
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 11/11   00:00:01  55kN, tb=18
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 12/12   00:00:02  70kN, tb=43
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 13/13   00:00:03  90kN, tb=86
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 14/14   00:00:03  114kN, tb=127
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 15/15   00:00:04  145kN, tb=199
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 16/16   00:00:05  192kN, tb=361
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 17/17   00:00:05  255kN, tb=424
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 18/18   00:00:06  334kN, tb=586
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 19/19   00:00:08  488kN, tb=956
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 20/20   00:00:09  627kN, tb=1242
38...Kf6 39.Kf4
  ±  (1.08)   Tiefe: 21/21   00:00:11  839kN, tb=1621
38...Kf6 39.Kf4 Ke6 40.a5 Kd6 41.bxa6 bxa6 42.Kxf5 Kc5 43.f4 Kxc4 44.Ke4 Kb5
45.Ke5 Kc6 46.Ke6 Kc7 47.f5 Kd8 48.f6 Ke8
  ±  (1.07)   Tiefe: 22/44   00:00:44  6421kN, tb=2697
38...Kf6 39.Kf4
  ±  (1.32)   Tiefe: 23/45   00:00:56  8097kN, tb=2903
38...Kf6 39.Kf4
  +-  (1.82)   Tiefe: 23/47   00:01:13  11196kN, tb=2997
38...Kf6 39.Kf4 a5
  +-  (1.82)   Tiefe: 23/47   00:01:59  19875kN, tb=3684
38...Kf6 39.Kf4
  +-  (2.07)   Tiefe: 24/48   00:02:43  27663kN, tb=4592
38...Kf6 39.Kf4
  +-  (2.57)   Tiefe: 24/48   00:03:20  34119kN, tb=4773

(Nemeth, Privat 16.11.2005)

Shredder 9 have the problem to see the clear win for white (normally should be
here the score +5 to +10) !

In my opinion this is a weak analysis by Shredder!

Analysis by Toga II 1.0MV.3 (private testversion):

38...Kf6 39.c5 axb5 40.a5 Ke5 41.c6 Kd6 42.cxb7 Kc7 43.a6 h5 44.Ke3 h4 45.Kf4 h3
46.Kf3
  +-  (1.42)   Tiefe: 15/26   00:00:07  1806kN
38...Kf6 39.c5 axb5 40.c6 bxc6 41.a5 b4 42.Ke3 b3 43.Kd2 b2 44.Kc2 h5 45.a6 h4
46.a7 h3 47.a8D
  +-  (4.56)   Tiefe: 16/26   00:00:09  2615kN
38...Kf6 39.c5 axb5 40.c6 bxc6 41.a5 b4 42.Ke3 b3 43.Kd2 b2 44.Kc2 c5 45.a6 c4
46.a7 c3 47.a8D Kg5 48.Dg8+ Kh6
  +-  (5.76)   Tiefe: 17/27   00:00:13  3762kN
38...Kf6 39.c5 Ke6 40.c6 Kd6 41.cxb7 Kc7 42.bxa6 Kb8 43.Kf4 h5 44.Kg3 Kc7 45.Kh4
Kb8 46.Kxh5 Kc7 47.Kg5 Kb8 48.Kxf5
  +-  (6.39)   Tiefe: 18/30   00:00:18  5564kN

(Nemeth, Privat 16.11.2005)

That is a good analysis here!



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