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Subject: Re: is this endgame position easy for most programs?

Author: Vincent Lejeune

Date: 02:03:18 11/13/04

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On November 13, 2004 at 01:26:57, Mike Byrne wrote:

>White(2): [d]8/7p/1kP2K2/8/8/1p2p3/1P2P3/8 w - - ;bm Kg7 draws!


Analysis by Shredder 8 on AMD barton@3000+ :
...
1.Rg5 Rxc6 2.Rh6 Rd5 3.Rxh7 Rc5 4.Rg6 Rd4
  µ  (-1.19)   Profondeur: 8/9   00:00:00  4kN, tb=18
1.Rg5 Rxc6 2.Rh6 Rd5 3.Rxh7 Rc5 4.Rg6 Rd4 5.Rf5 Rc4
  µ  (-0.98)   Profondeur: 9/10   00:00:00  6kN, tb=26
1.Rg5 Rxc6 2.Rh6 Rd5 3.Rxh7 Re4 4.Rg7 Rf5 5.Rf7 Re4
  µ  (-0.91)   Profondeur: 10/12   00:00:00  9kN, tb=43
1.Rg5 Rxc6 2.Rh6 Rd5 3.Rxh7 Re4 4.Rg7 Re5 5.Rf7 Rd4 6.Re6
  µ  (-0.75)   Profondeur: 11/12   00:00:00  12kN, tb=62
1.Rg5 Rxc6 2.Rh6 Rc5 3.Rxh7 Rd5 4.Rh6 Rd6 5.Rh7 Rd5 6.Rh6 Rd6 7.Rh7 Rd5 8.Rh6
  µ  (-0.75)   Profondeur: 12/14   00:00:00  17kN, tb=96
1.Rg5 h5 2.Rxh5 Rc5 3.Rg5 Rd4 4.Rf4 Rc5 5.Rxe3 Rd6 6.c7 Rd5 7.c8D
  ³  (-0.50)   Profondeur: 13/14   00:00:00  25kN, tb=142
1.Rg5 Rxc6 2.Rh5 Rd5 3.Rh6 Re4 4.Rxh7 Rf4 5.Rg6 Rg3 6.Rf5 Rf2 7.Re4
  ³  (-0.50)   Profondeur: 13/15   00:00:00  29kN, tb=183
1.Rg5 Rxc6 2.Rh5 Rd5 3.Rh6 Re4 4.Rg7 Rf4 5.Rh6 Rf5 6.Rg7 Re6 7.Rxh7 Rf7 8.Rh6
Rf6 9.Rh5 Rf5 10.Rh4 Rf4 11.Rh5 Rf5 12.Rh4 Rf4 13.Rh5 Rf5 14.Rh4
  µ  (-0.75)   Profondeur: 14/16   00:00:00  35kN, tb=207
1.Rg5 Rxc6 2.Rf4 Rd5 3.Rxe3 h5 4.Rf2 Re4 5.Rg2 Rf4 6.Rh3 Rg5 7.Rg2 h4
  µ  (-1.26)   Profondeur: 14/26   00:00:01  42kN, tb=306
1.Rg5 Rxc6 2.Rf4 Rd5 3.Rxe3 Re5 4.Rf3 Rf5 5.Rg3 Re4 6.Rf2 h5 7.Rg3 h4+ 8.Rg2 Rd4
9.Rh3 Re3 10.Rg4 Rf2
  -+  (-1.69)   Profondeur: 14/26   00:00:01  63kN, tb=616
1.Rg5 Rxc6 2.Rf4 Rc7 3.Rxe3 h5 4.Rf3 Rd8 5.e4 Rc7 6.e5 Rd7 7.Rg3 Re6 8.Rh4
  -+  (-1.44)   Profondeur: 15/18   00:00:01  86kN, tb=958
1.Rg5 Rxc6 2.Rf4 Rd5 3.Rxe3 Re5 4.Rf2 Re4 5.Rg1 h5 6.Rf2 Rf4 7.Rg1 Rf5 8.Rg2 Re6
9.Rh3 Re5 10.Rh4 Rf4 11.e4 Rxe4 12.Rxh5
  -+  (-1.44)   Profondeur: 15/18   00:00:01  102kN, tb=1159
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dc1 7.Dxc1 Rb7
  -+  (-1.43)   Profondeur: 15/31   00:00:01  118kN, tb=1171
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dc1 7.Dxc1 Rb7 8.Dxe3 Ra6
9.Dxb3
  µ  (-1.08)   Profondeur: 15/31   00:00:01  124kN, tb=1172
1.Rg7 h5 2.Rf6 h4 3.Re5 Rxc6 4.Rf4 Rd6 5.Rg4 Re5 6.Rxh4 Rf4 7.Rh3 Re5 8.Rg3 Rd5
9.Rf4 Rd4 10.Rf5 Rc5 11.Rf4 Rd4 12.Rf5 Rc5 13.Rf4 Rd4 14.Rf5
  µ  (-1.03)   Profondeur: 15/31   00:00:01  134kN, tb=1175
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Rd5 Dxb2
9.Dc3 Dxc3
  µ  (-1.28)   Profondeur: 16/27   00:00:01  141kN, tb=1175
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Db8+ Ra5
9.Da7+ Rb4 10.Dd4+ Ra5
  -+  (-1.67)   Profondeur: 16/27   00:00:01  152kN, tb=1190
1.Rg5 Rxc6 2.Rf4 Rd5 3.Rxe3 Re5 4.Rf3 h5 5.Rg3 h4+ 6.Rh3 Rf5 7.e4+ Rg5 8.e5 Rf5
  -+  (-1.66)   Profondeur: 16/27   00:00:01  164kN, tb=1295
1.Rg5 Rxc6 2.Rf4 Rd5 3.Rxe3 Re5 4.Rf3 Rf5 5.e3 Re5 6.Rg4 Re4 7.Rg5 Rxe3 8.Rh6
Rd3 9.Rxh7
  -+  (-1.49)   Profondeur: 16/27   00:00:01  173kN, tb=1346
1.Rg5 Rxc6 2.Rf4 Rd5 3.Rf5 Rd6 4.Rf4 Rd5 5.Rf5 Rd6 6.Rf4 Rd5 7.Rf5
  -+  (-1.48)   Profondeur: 17/20   00:00:01  220kN, tb=1666
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Dd8+ Ra7
9.Dd4+ Rb8
  -+  (-1.47)   Profondeur: 17/31   00:00:01  238kN, tb=1680
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Dd8+ Ra7
9.Dd4+ Ra6 10.Da4+ Rb6 11.Dd4+ Rb5 12.Dd5+ Rb6 13.Dd6+ Rb5 14.Dd5+ Rb6 15.Dd6+
  µ  (-1.21)   Profondeur: 17/33   00:00:02  274kN, tb=1718
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Dd8+ Rb7
9.Dd5+ Rb8 10.Dxb3+ Db5+ 11.Dxb5+ Ra7 12.Re4
  µ  (-0.96)   Profondeur: 18/35   00:00:02  345kN, tb=1780
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dxe2 8.Db8+ Ra5
9.Dc7+ Rb4 10.Df4+ Dc4+ 11.Rd7 Dxf4
  ³  (-0.51)   Profondeur: 18/36   00:00:02  469kN, tb=1850
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dc2 8.Db8+ Ra5
9.Da7+ Rb4 10.Dd4+ Dc4 11.Dxe3 Dd4+ 12.Rxd4
  ³  (-0.26)   Profondeur: 19/37   00:00:02  685kN, tb=2074
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Db8+ Ra5
9.Dc7+ Rb4 10.De7+ Rc4 11.De6+ Rc5 12.Re4 Rb4 13.Dc4+ Rxc4
  ³  (-0.26)   Profondeur: 19/37   00:00:02  749kN, tb=2074
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Db8+ Ra5
9.Dc7+ Rb5 10.Db7+ Rc5 11.Da7+ Rc6 12.Da8+ Rd7 13.Db7+ Re8 14.Dc6+ Rd8 15.Dd6+
  =  (-0.18)   Profondeur: 20/40   00:00:03  1219kN, tb=2445
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re5 Dxe2 8.Db8+ Ra5
9.Dc7+ Rb4 10.Dd6+ Ra4 11.Da3+ Rb5 12.Dxb3+ Ra5 13.Da3+ Rb6 14.Re4 Rb5 15.Dxe3
  =  (-0.05)   Profondeur: 21/44   00:00:06  2240kN, tb=2876
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dd4 8.Db8+ Rc6
9.Da8+ Rb6 10.Db8+ Rc6 11.Da8+ Rb6 12.Db8+ Rc6
  =  (0.04)   Profondeur: 22/45   00:00:11  5136kN, tb=3563
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dd4 8.Db8+ Rc6
9.Da8+ Rb6 10.Db8+ Rc6 11.Da8+ Rb6 12.Db8+ Rc6
  =  (0.04)   Profondeur: 23/47   00:00:15  6186kN, tb=4317
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dd4 8.Db8+ Rc6
9.Da8+ Rb6 10.Db8+ Rc6 11.Da8+ Rb6 12.Db8+ Rc6
  =  (0.04)   Profondeur: 24/48   00:00:19  7922kN, tb=5290
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dd4 8.Db8+ Rc6
9.Da8+ Rb6 10.Db8+ Rc6 11.Da8+ Rb6 12.Db8+ Rc6
  =  (0.04)   Profondeur: 25/51   00:00:25  10627kN, tb=7177
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dd4 8.Db8+ Rc6
9.Da8+ Rb6 10.Db8+ Rc6 11.Da8+ Rb6 12.Db8+ Rc6
  =  (0.04)   Profondeur: 26/53   00:00:39  17185kN, tb=11563
1.Rg7 h5 2.Rf6 h4 3.Re5 h3 4.Rd6 h2 5.c7 h1D 6.c8D Dd1+ 7.Re6 Dd4 8.Db8+ Rc6
9.Da8+ Rb6 10.Db8+ Rc6 11.Da8+ Rb6 12.Db8+ Rc6
  =  (0.04)   Profondeur: 27/54   00:01:01  27748kN, tb=20251




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