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Subject: Re: Fritz - Quark - Black win this, or not Uri?

Author: Eduard Nemeth

Date: 06:26:34 01/28/02

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On January 28, 2002 at 09:02:19, Andreas Stabel wrote:

>On January 28, 2002 at 08:49:04, Eduard Nemeth wrote:
>
>>On January 28, 2002 at 07:17:50, Uri Blass wrote:
>>
>>>On January 28, 2002 at 04:35:34, Jouni Uski wrote:
>>>
>>>>[D]1K6/1P6/5k2/8/6pp/1R6/8/2r5 w - -
>>>>
>>>>Is this still a draw? Yace and Crafty evaluate 0.00 after quite a long analysis
>>>>(with 4 piece TBs).
>>>>
>>>>Jouni
>>>
>>>Yace analysis at move 64(KRKPP was not used)
>>>
>>>It seems that the decisive blunder was 64.Rb4+
>>>
>>>Fritz 7.0.0.6 - QuarkX
>>>[D]1K6/1P6/8/1R6/5kpp/8/8/2r5 w - - 0 1
>>>
>>>Analysis by Yace 0.99.56:
>>>
>>>64.Rc5 Rxc5
>>>  -+  (-8.77)   Depth: 1   00:00:05
>>>64.Rd5
>>>  -+  (-1.56)   Depth: 1   00:00:05
>>>64.Rh5
>>>  -+  (-1.52)   Depth: 1   00:00:05
>>>64.Rh5 h3
>>>  -+  (-1.78)   Depth: 2   00:00:05
>>>64.Rb4+ Kf3
>>>  -+  (-1.54)   Depth: 2   00:00:05
>>>64.Rb4+ Kf3 65.Ka7
>>>  -+  (-1.52)   Depth: 2   00:00:05
>>>64.Rb4+ Kf3 65.Rb3+ Ke4 66.Rb4+ Kf5
>>>  -+  (-1.50)   Depth: 3   00:00:05
>>>64.Rb4+ Kf3 65.Rb3+ Kf2 66.Rb2+ Kg3 67.Rb3+ Kg2 68.Rb2+ Kh3
>>>  -+  (-1.43)   Depth: 4   00:00:05
>>>64.Ka7 h3 65.b8Q+ Kf3
>>>  -+  (-1.42)   Depth: 4   00:00:05
>>>64.Ka7 Rc7 65.Kb6 Rxb7+ 66.Kxb7
>>>  ±  (1.35)   Depth: 4   00:00:05
>>>64.Ka7 Rc7 65.Rb4+ Kf3 66.Kb6 Rxb7+ 67.Kxb7
>>>  ±  (1.37)   Depth: 5   00:00:05  5kN
>>>64.Ka7 Rc7 65.Rb4+ Kf3 66.Ka8 Rxb7 67.Rxb7
>>>  ±  (1.21)   Depth: 6   00:00:05  10kN
>>>64.Ka7 Rc7 65.Ka6 Rxb7 66.Rxb7 h3 67.Rf7+ Ke4 68.Kb5
>>>  ±  (1.21)   Depth: 7   00:00:05  24kN
>>>64.Ka7 Rc7 65.Ka6 Rxb7 66.Rxb7 h3 67.Rf7+ Kg3 68.Kb5 Kh2
>>>  ±  (1.16)   Depth: 8   00:00:05  41kN
>>>64.Ka7 Rc7 65.Ka6 Rxb7 66.Rxb7 h3 67.Rf7+ Ke5 68.Rh7 Kf4 69.Kb5
>>>  ±  (1.12)   Depth: 9   00:00:05  186kN
>>>64.Ka7 Rc7 65.Ka6 Rxb7 66.Rxb7 g3 67.Rf7+ Ke5 68.Re7+ Kf4 69.Kb5 g2 70.Kb6 g1Q+
>>>71.Kb7
>>>  ±  (0.72)   Depth: 10   00:00:07  557kN
>>>64.Ka7 Rc7 65.Ka6 Rxb7 66.Rxb7 g3 67.Rf7+ Ke5 68.Rg7 Kf4 69.Rf7+ Ke5 70.Rg7 Kf4
>>>71.Rf7+
>>>  =  (0.00)   Depth: 10   00:00:07  621kN
>>>64.Ka7 Rc7 65.Ka6 Rxb7 66.Rxb7 g3 67.Rb4+ Kf3 68.Rb3+ Ke4 69.Rb4+ Ke5 70.Rg4 Kf5
>>>71.Rg8 Ke5
>>>  =  (0.00)   Depth: 11   00:00:15  1867kN
>>>64.Ka7 Rc7 65.Rb4+ Kf5 66.Rb5+ Kf4
>>>  =  (0.00)   Depth: 12   00:00:24  4734kN
>>>64.Ka7 Rc7 65.Rb4+ Kf3 66.Rb3+ Kg2 67.Rb4 Kh3 68.Kb6 Rxb7+ 69.Kxb7 g3 70.Rb5 g2
>>>71.Rg5
>>>  =  (-0.01)   Depth: 13   00:00:41  10328kN
>>>64.Rb4+ Kf5 65.Ka7 Rc7 66.Rb5+ Kf4 67.Rb4+ Kf3 68.Rb3+ Kf2 69.Rb2+ Kg3 70.Ka8
>>>Rxb7 71.Kxb7 h3 72.Kc8 h2 73.Rb1 Kg2 74.Kd7 h1Q 75.Rb2+ Kh3 76.Rb3+ g3 77.Rb4
>>>  =  (0.00)   Depth: 13   00:01:03  16153kN
>>>64.Rb4+ Kf5 65.Ka7 Rc7 66.Rb5+ Kf4 67.Rb4+ Kf3 68.Rb3+ Kf2 69.Rb2+ Kg3 70.Ka8
>>>Rxb7 71.Kxb7 h3 72.Kc8 h2 73.Rb1 Kg2 74.Kd7 h1Q
>>>  =  (0.00)   Depth: 13   00:01:06  17098kN
>>>64.Rb4+ Kf5 65.Ka7 Rc7 66.Ka8 Rxb7 67.Rxb7 h3 68.Rh7 Kg6 69.Rh4 h2 70.Rxh2 Kg5
>>>71.Rh7 g3 72.Rh8 Kf5 73.Rg8 Kf4 74.Rh8 g2 75.Rg8 Kf3 76.Rf8+ Kg3 77.Rg8+ Kh3
>>>78.Rh8+ Kg3
>>>  =  (0.00)   Depth: 14   00:01:54  31448kN
>>>64.Rb4+ Kf5 65.Ka8 Ra1+ 66.Kb8 Rc1
>>>  =  (0.00)   Depth: 15   00:03:51  67128kN
>>>64.Rb4+ Kg3 65.Ka8 Ra1+ 66.Kb8 Kh3
>>>  =  (-0.01)   Depth: 16   00:09:57  163516kN
>>>64.Ka8 Ra1+ 65.Kb8 Rc1
>>>  =  (0.00)   Depth: 16   00:19:33  317293kN
>>>64.Ka8 Ra1+ 65.Kb8 Rc1 66.Rb4+ Kg3 67.Ka8 Ra1+ 68.Kb8 Kh3
>>>  =  (0.00)   Depth: 16   00:19:34  317463kN
>>>64.Ka8 Ra1+ 65.Kb8 Rc1
>>>  =  (0.00)   Depth: 17   00:23:02  354189kN
>>>
>>>(Blass, Tel-aviv 28.01.2002)
>>>
>>>Uri
>>
>>After this Analysien I seems a win vor black:
>>
>>
>>[D]1K6/1P6/8/1R6/5kpp/8/8/2r5 w - - 0 1
>>
>>1.Ka8 Ra1+ 2.Kb8 Re1! 3.Rb4+ Kg3 4.Rb3+ [4.Ka7 Re7-+;
>>4.Ka8 Re8+-+;
>>4.Kc7 Re7+ 5.Kd6 Re8 6.Rb3+ (6.Kd7 Rb8-+) 6...Kh2! 7.Rb4 Kh3-+] 4...Kg2 5.Rb2+
>>Kh3-+
>>
>>What says you  Uri?
>>
>>Regards,
>>Eduard
>
>Crafty with 5 man EGTBs - still a draw:
>14->   9:37   0.00   1. Rb6+ Kf5 2. Ka7 Ra1+ 3. Kb8 h3 4.
>                     Kc8 h2 5. b8=Q Rc1+ 6. Kd8 h1=Q 7.
>                     Rb5+ Kg6 8. Qd6+ Kh7 9. Qe7+ Kh6 10.
>                     Qf8+ Kg6 11. Qg8+ Kf6 12. Qxg4
>
>Regards
>Andreas Stabel

Hi,

nach welchem Zug (Position?) Rb6+ -- Diagram möglich?

This is the wey to draw:

[D]1K6/1P6/8/1R6/5kpp/8/8/2r5 w - - 0 1

1.Rb4+ Kf3 2.Ka8 Ra1+ 3.Kb8 Re1! 4.Rb3+ Kg2 5.Kc7!= Re7+ 6.Kd6 Rxb7 7.Rxb7 =

But, Fritz 7 cannot plays this endgame (with TBS) ! :-((

Fritz 7 kann nicht spielen so, er hätte mehrmals "trotz TBS" gewaltig gepatzt!
:-((

Eduard





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