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Subject: Re: Mate in ?

Author: Sune Larsson

Date: 11:57:50 11/11/01

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On November 11, 2001 at 14:43:33, John Merlino wrote:

>On November 11, 2001 at 11:35:52, Sune Larsson wrote:
>
>>
>> [D]5Q2/1qr4p/2p2pp1/6k1/2B5/4PP2/5PKP/8 w - - 0 42
>>
>>
>> This is a position from a German forum.
>>
>> Gambit Tiger shows mate 8 in about 1 sec ("immediately")
>> Fritz7NoMMX  shows mate 9 in about 1 sec ("immediately")
>> Fritz7       shows mate 13 after some minutes thought.
>>
>> Interesting but somewhat queer.    (P III 800.)
>>
>> Sune
>
>CM8000 says Mate in 8 in 3 seconds on my PIII-733:



  And mate in 8 it looks to be. The standard Fritz 7 has a funny
  way of analyzing positions. But if it plays significantly better
  vs humans (?!), I will forgive it, and just don't use it as analyze tool.

  Sune









>
>Time	Depth	Score	Positions	Moves
>0:00	1/4	0.94	13239		1. h4+ Kh5 2. Qxf6 Kh6 3. Qf4+
>					Kg7 4. h5 h6 5. hxg6 Kxg6
>0:00	1/4	1.21	28113		1. f4+ Kf5 2. Qd6 Re7 3. Kg3 g5
>					4. Bd3+ Re4 5. Bxe4+ Kxe4 6. Qxf6
>0:01	2/5	10.05	75601		1. f4+ Kf5 2. Qc5+ Kg4 3. h3+ Kh4
>					4. Qf8 c5+ 5. Kh2 Qd5 6. Qxf6+
>					Kh5 7. Bxd5
>0:03	2/6	Mate08	346228		1. f4+ Kf5 2. Qd6 Re7 3. Bd3+ Re4
>					4. f3 c5 5. Bxe4+ Qxe4 6. Qd7+
>					Qe6 7. Qd3+ Qe4 8. Qxe4#
>0:06	3/7	Mate08	748763		1. f4+ Kf5 2. Qd6 Re7 3. Bd3+ Re4
>					4. f3 c5 5. Bxe4+ Qxe4 6. Qd7+
>					Qe6 7. Qd3+ Qe4 8. Qxe4#
>0:16	4/8	Mate08	2080130		1. f4+ Kf5 2. Qd6 Re7 3. Bd3+ Re4
>					4. f3 c5 5. Bxe4+ Qxe4 6. Qd7+
>					Qe6 7. Qd3+ Qe4 8. Qxe4#
>0:44	5/9	Mate08	6024718		1. f4+ Kf5 2. Qd6 Re7 3. Bd3+ Re4
>					4. f3 c5 5. Bxe4+ Qxe4 6. Qd7+
>					Qe6 7. Qd3+ Qe4 8. Qxe4#
>
>jm



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