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Subject: Re: Endgame study

Author: Mihaly Szalai

Date: 13:52:33 04/01/05

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On April 01, 2005 at 15:24:48, Mihaly Szalai wrote:

>On April 01, 2005 at 10:23:38, Robert Hyatt wrote:
>
>>On March 31, 2005 at 11:21:10, Mihaly Szalai wrote:
>>
>>>I think this is a very good engine test.
>>>Try to avoid Rh1+ (leads to a draw) and find Rg1!
>>>
>>>J. Fleck - Ch. Lutz
>>>
>>>[D]8/7r/1pp4P/8/1P1K4/7k/8/R7 w - - 0 1
>>>
>>>1. Rg1! (1. Rh1+? Kg2 2. Rh5 c5+ 3. bxc5 bxc5+ 4. Ke5 Kf3 5. Kf6 Ke3=) 1... c5+
>>>(
>>>1... Kh4 2. Ke4 Rxh6 3. Ke5 c5 4. b5 c4 5. Rh1+ Kg5 6. Rxh6 Kxh6 7. Kd4+-) 2.
>>>bxc5 bxc5+ 3. Ke5 c4 4. Kf5 Kh2 5. Rg6 Rc7 6. Rg7 Rc5+ 7. Kg4 c3 8. h7 Rc4+ 9.
>>>Kg5 Rc5+ 10. Kh6 c2 11. h8=Q c1=Q+ 12. Kg6+ Kg3 13. Kf6++-
>>
>>
>>Here's crafty's analysis.  Note that this was run on a slow box (300K nodes per
>>sec).  It likes Rg1 early, that turns into a draw score and it switches to Rh1+
>>until it fails high on Rg1 later...
>>
>
>I don't understand the very last line:
>
>?              16     6:02   3/21*  1. b5
>
>Excuse me if I'm too dumb...
>
>Thanks
>Mihaly


I see now: simply this is where you interrupted the search.

Sorry...



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