Author: Phil Dixon
Date: 04:56:12 05/29/99
Go up one level in this thread
On May 27, 1999 at 20:03:19, Dann Corbit wrote:
>On May 27, 1999 at 19:43:43, James Robertson wrote:
>
>>One of my friends tried my program on this 'Mate in 2' from John Thursby's 75
>>mate in 2 problems.
>>
>>FEN 8/8/3PQ3/2p2r2/2N2R2/2k2N2/3RK3/8/ w - -
>>
>>My program didn't see it, supplying a mate in 3 line (my email program crashed
>>and I lost the message.) Crafty also gave a mate in 3 line, 1. Qe3+ Kb4 2. Rb2+
>>Ka4 3. Qa8#.
>>
>>I responded with this, and he said no! It is still mate in 2, and supplied this
>>line: 1.Na5! {threatens Rc4# or Qe3# or Qc4# or Qb3#} 1 ... Rxf4 2. Qb3#
>>
>>I have not had time to check on it... is it mate in 3 or 2?
>>
>>James
>>
>>P.S. He also supplied this funny mate in 2 links:
>>http://misc.traveller.com/chess/graphics/cake.htm
>>http://www.hsv.tis.net/chess/graphics/boi.htm
>
>Jens Schweikhardt's mate solver says this:
>
>D:\chess>chess < foo.epd
> +-A--B--C--D--E--F--G--H-+
>8 | ::: ::: ::: :::| 8
>7 |::: ::: ::: ::: | 7
>6 | ::: :P: Q ::: :::| 6
>5 |::: :p: ::: r ::: | 5
>4 | ::: N ::: :R: :::| 4
>3 |::: :k: ::: N ::: | 3
>2 | ::: :R: K ::: :::| 2
>1 |::: ::: ::: ::: | 1
> +-A--B--C--D--E--F--G--H-+
>To move: white
>Mate in: 2
>Solution: 0.01 45/45
> 1. Nc4-a5 Pc5-c4 2. Rf4xc4#
> Rf5xf4 2. Qe6-b3#
> Rf5-d5 2. Rf4-c4#
> Rf5-e5+ 2. Qe6xe5#
> Rf5-g5 2. Rf4-c4#
> Rf5-h5 2. Rf4-c4#
> Rf5-f6 2. Rf4-c4#
> Rf5-f7 2. Rf4-c4#
> Rf5-f8 2. Rf4-c4#
>max moves side to move = 54
>max moves side to answer = 12
>max number allocations = 14
Does Mr. Schweikhardt have a website? E-mail? This surname figures prominently
in my family tree.
Regards,
Phil
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