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Subject: Re: Position from yesterday, Rxc7!!, problem for Fritz 9 also

Author: Andreas St.

Date: 17:20:41 02/09/06

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Hi Albert,

i can't reproduce your line with my Fritz 9!
My Fritz 9: 256MB Hash, 5er tablebases.
Here the line, in which Fritz never plays 6.Ke6:

1.Ke5 Te8+ 2.Kd4 Tc8 3.Kc4 Kf8 4.Kd5 f6
  ²  (0.61)   Tiefe: 7/15   00:00:00  6kN
1.Ke5
  ²  (0.54)   Tiefe: 8/21   00:00:00  17kN
1.Ke5 Te8+ 2.Kd4 Tc8 3.Kc4 Kf6 4.Kd3 Ke6 5.Ke4 f6
  ²  (0.54)   Tiefe: 9/16   00:00:00  21kN
1.Ke5 Te8+ 2.Kd4 Tc8 3.Kc4 Kf6 4.Kd3 Ke6 5.Ke4 f6
  ²  (0.54)   Tiefe: 10/20   00:00:00  40kN
1.Ke5 Te8+ 2.Kd4 Tc8 3.Kc4 Kf6 4.Kd3 Ke6
  ²  (0.54)   Tiefe: 11/23   00:00:00  84kN
1.Ke5 Te8+ 2.Kd4 Tc8 3.Kc4 Kf6 4.Kd3 Ke6
  ²  (0.54)   Tiefe: 12/22   00:00:00  170kN
1.f5!
  ²  (0.55)   Tiefe: 12/23   00:00:00  327kN
1.f5!
  ²  (0.70)   Tiefe: 12/23   00:00:00  367kN
1.f5 Kf6 2.fxg6 fxg6 3.f4 g5 4.fxg5+ Kxg5 5.Ke4 Kf6 6.Kd4 Kg5 7.Kd5 Kf5 8.Tf7+
Kg5 9.Td7
  ±  (0.78)   Tiefe: 12/28   00:00:00  484kN
1.f5--
  ²  (0.50)   Tiefe: 13/37   00:00:00  835kN
1.f5 g5 2.Ke5
  ²  (0.50)   Tiefe: 13/37   00:00:00  935kN
1.Ke5!
  ²  (0.50)   Tiefe: 13/37   00:00:01  1055kN
1.Ke5 Te8+ 2.Kd4 Tc8 3.Kc4 Kf6 4.Kd3 Ke6
  ²  (0.54)   Tiefe: 13/37   00:00:01  1097kN
1.Txc7!
  ²  (0.55)   Tiefe: 13/37   00:00:01  1320kN
1.Txc7!
  ²  (0.70)   Tiefe: 13/37   00:00:01  1371kN
1.Txc7!
  ±  (1.02)   Tiefe: 13/37   00:00:01  1440kN
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6
  ±  (1.04)   Tiefe: 13/37   00:00:01  1497kN
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6
  ±  (1.04)   Tiefe: 14/25   00:00:01  1664kN
1.Txc7--
  ±  (0.76)   Tiefe: 15/23   00:00:01  1868kN
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D
  ³  (-0.67)   Tiefe: 15/33   00:00:01  2293kN
1.Ke5!
  ³  (-0.66)   Tiefe: 15/33   00:00:02  2534kN
1.Ke5!
  ³  (-0.51)   Tiefe: 15/33   00:00:02  2626kN
1.Ke5!
  =  (-0.20)   Tiefe: 15/33   00:00:02  2805kN
1.Ke5!
  ²  (0.43)   Tiefe: 15/33   00:00:02  3269kN
1.f5!
  ²  (0.43)   Tiefe: 15/33   00:00:03  4295kN
1.f5!
  ²  (0.59)   Tiefe: 15/33   00:00:03  4686kN
1.f5!
  ±  (0.90)   Tiefe: 15/33   00:00:04  5611kN
1.f5 g5 2.Txc7 Txc7 3.Kd6 Tc8
  ±  (0.91)   Tiefe: 15/39   00:00:04  6358kN
1.f5--
  ²  (0.63)   Tiefe: 16/45   00:00:05  7296kN
1.f5 g5 2.Ke5 Te8+ 3.Kd4 Tc8 4.Ke4 Te8+
  =  (0.23)   Tiefe: 16/49   00:00:07  9591kN
1.Kc4!
  =  (0.23)   Tiefe: 16/49   00:00:07  10091kN
1.Kc4 Kf6 2.Kd3 Ke6 3.Ke4 f6 4.Tg7 Kd6 5.Txg6 Kxc6 6.Txf6+ Kb5 7.Th6 c5 8.Txh4
Te8+ 9.Kd3 Kxa5
  =  (0.25)   Tiefe: 16/49   00:00:08  11304kN
1.Kc4 Kf6 2.Kd3 Ke6 3.Ke4 f6 4.Tg7 Kd6 5.Kd4 Kxc6 6.Kc4 Kd6
  =  (0.25)   Tiefe: 17/38   00:00:10  13907kN
1.Kc4 Kf6 2.Kd3 Ke6 3.Ke4 Kf6
  =  (0.25)   Tiefe: 18/47   00:00:15  19501kN
1.f5!
  =  (0.25)   Tiefe: 18/47   00:00:20  26234kN
1.f5 g5 2.Ke5 Te8+ 3.Kd4 Tc8 4.Ke3 Te8+ 5.Kd2 Te5 6.Txc7 Txa5 7.Ta7 Txf5 8.Txa6
Tc5 9.Ke3 f5 10.Kd4 Tc1 11.Ta7+ Kf6
  ²  (0.29)   Tiefe: 18/47   00:00:23  30358kN, tb=1
1.Txc7!
  ²  (0.29)   Tiefe: 18/49   00:00:29  39221kN, tb=3
1.Txc7!
  ²  (0.45)   Tiefe: 18/49   00:00:31  40985kN, tb=3
1.Txc7!
  ±  (0.76)   Tiefe: 18/49   00:00:32  43329kN, tb=3
1.Txc7!
  ±  (1.38)   Tiefe: 18/49   00:00:35  46963kN, tb=3
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb6 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4 13.Dh1+
  +-  (3.50)   Tiefe: 18/49   00:00:41  56112kN, tb=3
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb6 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4 13.Dh1+
  +-  (3.52)   Tiefe: 19/53   00:00:48  65711kN, tb=8
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb6 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4 13.Dh1+
  +-  (3.52)   Tiefe: 20/57   00:01:04  87901kN, tb=9
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb6 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4 13.Dh1+
  +-  (3.52)   Tiefe: 21/51   00:01:29  123941kN, tb=13
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb6 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4 13.Dh1+
  +-  (3.52)   Tiefe: 22/63   00:02:12  184735kN, tb=56
1.Txc7!
  +-  (3.80)   Tiefe: 23/71   00:04:14  361620kN, tb=93
1.Txc7!
  +-  (4.09)   Tiefe: 23/71   00:06:13  540923kN, tb=93
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
g5 9.Kb5 Kg3 10.a6
  +-  (4.33)   Tiefe: 23/71   00:08:33  752118kN, tb=110
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
g5 9.Kb5 Kg3 10.a6
  +-  (4.33)   Tiefe: 24/67   00:13:11  1153101kN, tb=306
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
g5 9.Kb5 Kxf3 10.a6 Kg2 11.a7 Kxh3
  +-  (4.31)   Tiefe: 25/77   00:20:39  1800787kN, tb=603
1.Txc7--
  +-  (4.03)   Tiefe: 26/60   00:25:56  2265862kN, tb=919
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb5 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4 13.Dh1+
  +-  (3.68)   Tiefe: 26/69   00:31:38  2759865kN, tb=1114
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb5 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4
  +-  (3.68)   Tiefe: 27/99   01:12:08  6274610kN, tb=2885
1.Txc7 Txc7 2.Kd6 Tc8 3.Kd7 Th8 4.c7 Kf6 5.c8D Txc8 6.Kxc8 Kf5 7.Kb7 Kxf4 8.Kxa6
Kxf3 9.Kb5 Kg2 10.a6 Kxh3 11.a7 g5 12.a8D g4
  +-  (3.68)   Tiefe: 28/99   02:49:04  14622911kN, tb=6547



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