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Subject: Rybka EGTB example

Author: Jouni Uski

Date: 09:27:46 01/27/06

Same position with beta 12 and 13:

[D] 8/7p/8/p4p2/5K2/Bpk3P1/4P2P/8 w - - 0 1

Analysis by Rybka 1.01 Beta 12 32-bit:

1.Bd6
  -+  (-7.12)   Depth: 3   00:00:00
1.g4
  =  (0.15)   Depth: 3   00:00:00
1.g4
  ³  (-0.42)   Depth: 4   00:00:00
1.g4 fxg4
  =  (0.00)   Depth: 5   00:00:00
1.g4 fxg4 2.e4
  =  (0.09)   Depth: 6   00:00:00  13kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2
  ³  (-0.61)   Depth: 7   00:00:00  13kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2 4.e5
  ³  (-0.61)   Depth: 8   00:00:00  17kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2 4.e5 a4
  -+  (-2.12)   Depth: 9   00:00:00  29kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2 4.e5 a4
  -+  (-2.15)   Depth: 10   00:00:00  57kN
1.g4 fxg4
  -+  (-2.33)   Depth: 11   00:00:00  87kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2
  ±  (1.01)   Depth: 11   00:00:01  111kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.06)   Depth: 12   00:00:01  148kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.16)   Depth: 13   00:00:01  227kN
1.Kxf5 b2
  ±  (1.13)   Depth: 14   00:00:02  377kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.23)   Depth: 15   00:00:05  801kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.33)   Depth: 16   00:00:10  1416kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.34)   Depth: 17   00:00:21  2568kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.37)   Depth: 18   00:00:47  5026kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.34)   Depth: 19   00:01:19  8364kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.38)   Depth: 20   00:02:53  16610kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qd1
  ±  (1.38)   Depth: 21   00:04:47  27211kN

Analysis by Rybka 1.01 Beta 13 32-bit:

1.Bd6
  -+  (-7.12)   Depth: 3   00:00:00
1.g4
  =  (0.15)   Depth: 3   00:00:00
1.g4
  ³  (-0.42)   Depth: 4   00:00:00
1.g4 fxg4
  =  (0.00)   Depth: 5   00:00:00
1.g4 fxg4 2.e4
  =  (0.09)   Depth: 6   00:00:00  5kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2
  ³  (-0.61)   Depth: 7   00:00:00  8kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2 4.e5
  ³  (-0.61)   Depth: 8   00:00:00  17kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2 4.e5 a4
  -+  (-2.12)   Depth: 9   00:00:00  29kN
1.g4 fxg4 2.e4 b2 3.Bxb2+ Kxb2 4.e5 a4
  -+  (-2.15)   Depth: 10   00:00:00  57kN
1.g4 fxg4
  -+  (-2.33)   Depth: 11   00:00:00  86kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2
  ±  (1.01)   Depth: 11   00:00:00  110kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.06)   Depth: 12   00:00:00  148kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.16)   Depth: 13   00:00:01  226kN
1.Kxf5 b2
  ±  (1.13)   Depth: 14   00:00:03  378kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.22)   Depth: 15   00:00:06  649kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.23)   Depth: 16   00:00:11  1104kN
1.Kxf5 b2 2.Bxb2+ Kxb2 3.e4 a4 4.e5 a3 5.e6 a2 6.e7 a1Q 7.e8Q Qf1+
  ±  (1.25)   Depth: 17   00:00:26  2132kN
1.g4 fxg4 2.e4 Kc4 3.Kxg4 Kb5 4.Kg5 Ka4 5.Bc1 Kb5 6.e5 a4 7.e6 Kc6
  +-  (4.09)   Depth: 17   00:00:59  6451kN
1.g4 fxg4 2.e4 Kc4 3.Kxg4 Kb5 4.Kg5 Ka4 5.Bc1 Kb4 6.e5 a4 7.e6 a3
  +-  (5.33)   Depth: 18   00:01:06  8045kN

I have one CD = 700 MB tablebases.

Jouni

Re: Rybka EGTB example G. R. Morton 10:49:15 01/27/06
- Re: Rybka EGTB example George Tsavdaris 11:09:22 01/27/06
  - Re: Rybka EGTB example G. R. Morton 14:04:54 01/27/06
  - Re: Rybka EGTB example Jouni Uski 12:11:21 01/27/06

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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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