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Subject: Re: WAC - all cooks?

Author: Dann Corbit

Date: 14:21:45 09/14/01

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On September 14, 2001 at 16:25:00, Rafael Andrist wrote:

>On September 14, 2001 at 14:33:42, Dann Corbit wrote:
>
>>On September 14, 2001 at 14:29:41, Uri Blass wrote:
>>
>>>On September 14, 2001 at 13:26:29, Dann Corbit wrote:
>>>
>>>>On September 14, 2001 at 07:20:05, Steffen Jakob wrote:
>>>>
>>>>>Hi,
>>>>>
>>>>>I read lots of messages about cooked WAC positions. I think the version which I
>>>>>have is rather outdated. Where can I find an EPD version of WAC which contains
>>>>>all known cooks?
>>>>
>>>>This one should be pretty up to date:
>>>>ftp://cap.connx.com/pub/EPD/wacnew.epd
>>>
>>>I believe that if you try to find cooks you can find many cooks if you define a
>>>cook as another winning move.
>>>
>>>Here are examples from the EPD
>>>
>>>[D]r4q1k/p2bR1rp/2p2Q1N/5p2/5p2/2P5/PP3PPP/R5K1 w - - bm Rf7; id "WAC.008
>>>
>>>Rf7 is the fastest way to win but Nf7+ is probably also winning.
>>>
>>>Another example(more convincing)
>>>[D]r2rb1k1/pp1q1p1p/2n1p1p1/2bp4/5P2/PP1BPR1Q/1BPN2PP/R5K1 w - - bm Qxh7+; id
>>>"WAC.014";
>>>
>>>Qxh7+ is mate in 4 but Ne4 is another way to win the game inspite of the fact
>>>that there is no forced mate in the near future.
>>
>>Those look pretty strange to me, but any move that leads to a certain win must
>>be considered a "best move."
>
>I think those moves should be considered as "good moves", but only one move is
>the "best move" (except if there are different pathes with the same mate
>distance).

I disagree completely.

If the game theoretic value of both moves are identical, then the value of both
moves is identical.

A move that wins in 2 is not better than a move that wins in 45.  Both moves
win.

The 2 move win might be prettier, but it isn't any better.



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