Author: Andreas Stabel
Date: 06:02:19 01/28/02
Go up one level in this thread
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
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