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Subject: Re: Wanted: Endgame Test Positions

Author: Roy Eassa

Date: 14:48:22 09/07/01

Go up one level in this thread


On September 07, 2001 at 17:43:03, Roy Eassa wrote:

>On September 07, 2001 at 17:17:54, Peter McKenzie wrote:
>
>>[D]8/8/5P1k/8/2K5/pr2r3/4R3/2R5 w - -
>>bm f7; id "exercise 07.08";
>>
>>Quite easy this one, but nice cutes variations eg:
>>1.f7 Kg7 2.f8=Q Kxf8 3.Rf1+ Ke7 4.Rfe1 +-
>>
>
>Gambit Tiger 2.0 on 1.2 GHz Athlon:
>
>00:00:00.6	0.18	8	176429	Rxe3 Rxe3 Rf1 Re8 Kb3 Kg6 Kxa3 Re3+ Kb4 Re4+ Kc5
>00:00:01.4	0.24	9	476453	Rxe3 Rxe3 Rf1 Re8 Kb3 Kg6 Rf3 Rf8 Kxa3 Rf7
>00:00:02.8	0.19	10	1179807	Rxe3 Rxe3 Rf1 Re8 f7 Rf8 Kd5 Kg7 Ke6 Rc8 Rg1+ Kh6 Ra1
>00:00:03.7	1.14	10	1620659	f7
>00:00:04.9	3.22	10	1790326	f7 Kg7 f8Q+ Kxf8 Rf1+ Kg7 Rg2+ Rg3 Rfg1 Kf6 Rxg3 Rxg3
>Rxg3 a2 Ra3


Fritz 6 on 1.2 GHz Athlon:

1.Rxe3 Rxe3
  =  (0.19)   Depth: 1/6   00:00:00
1.f7!
  ²  (0.41)   Depth: 1/6   00:00:00
1.f7 Kg7
  ²  (0.31)   Depth: 2/6   00:00:00
1.Rxe3!
  ²  (0.41)   Depth: 2/8   00:00:00
1.Rxe3 Rxe3 2.f7 Kg7
  ²  (0.31)   Depth: 3/8   00:00:00
1.f7!
  ²  (0.34)   Depth: 3/9   00:00:00
1.f7! Kg7 2.Rf1
  ²  (0.69)   Depth: 3/11   00:00:00
1.f7 Kg7 2.Rxe3 Rxe3 3.Rf1
  ²  (0.69)   Depth: 4/10   00:00:00  1kN
1.f7--
  ²  (0.38)   Depth: 5/13   00:00:00  3kN
1.f7-- Kg7 2.Rxe3 Rxe3 3.Kd4
  ²  (0.34)   Depth: 5/13   00:00:00  4kN
1.Rxe3!
  ²  (0.38)   Depth: 5/17   00:00:00  9kN
1.Rxe3 Rxe3 2.Rf1 Re8 3.Kb4 a2 4.f7
  ²  (0.53)   Depth: 6/15   00:00:00  14kN
1.Rxe3 Rxe3 2.Rf1 Re8 3.Kb3 Ra8 4.Ka2 Kg6
  ²  (0.47)   Depth: 7/15   00:00:00  35kN
1.Rxe3 Rxe3 2.Rf1 Re8 3.f7 Rf8 4.Kd5 a2 5.Ke6
  ²  (0.28)   Depth: 8/16   00:00:00  102kN
1.Rg2!
  ²  (0.31)   Depth: 8/21   00:00:00  253kN
1.Rg2 Rh3 2.Re1 Rbf3 3.Re6 Rc3+ 4.Kb5 Rb3+ 5.Ka4 Rhg3
  ²  (0.28)   Depth: 9/22   00:00:00  497kN
1.Rxe3!
  ²  (0.31)   Depth: 9/22   00:00:00  504kN
1.Rxe3 Rxe3 2.Rf1 Re8 3.f7 Rf8 4.Kd5 a2 5.Ke6 Kg6
  =  (0.25)   Depth: 10/21   00:00:00  802kN
1.f7!
  ²  (0.28)   Depth: 10/25   00:00:01  1026kN
1.f7! Kg7 2.f8Q+ Kxf8 3.Rf1+ Kg8
  ²  (0.34)   Depth: 10/25   00:00:01  1105kN
1.f7!
  ²  (0.66)   Depth: 11/20   00:00:01  1660kN
1.f7! Kg7 2.f8Q+ Kxf8 3.Rf1+ Ke7 4.Rfe1 Rbc3+ 5.Kb4 Rb3+
  +-  (2.91)   Depth: 11/25   00:00:01  1937kN
1.f7 Kg7 2.f8Q+ Kxf8 3.Rf1+ Kg7 4.Rg2+ Rg3 5.Rfg1 Rbc3+
  +-  (2.94)   Depth: 12/26   00:00:03  3494kN
1.f7 Kg7 2.f8Q+ Kxf8 3.Rf1+ Kg7 4.Rg2+ Kh6 5.Rh1+ Rh3
  +-  (3.00)   Depth: 13/29   00:00:06  7125kN



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