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Subject: Re: Lots of best moves

Author: Dann Corbit

Date: 18:26:32 03/01/05

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On March 01, 2005 at 20:42:28, Andre Lopez wrote:

>On March 01, 2005 at 14:22:49, Uri Blass wrote:
>
>>On March 01, 2005 at 13:53:34, Dann Corbit wrote:
>>
>>>The opposite of a good test move (one best move choice) is one with lots of
>>>equally good winning moves.  I was playing around, analyzing some Orangutan
>>>games and stumbled on this position:
>>>[D]1Q6/8/2K5/3NQ1p1/8/8/5k2/8 w - - acn 2564; acs 0; bm Nc3 Ne3 Qb1 Qb3 Qb4 Qb5
>>>Qbb2+ Qbh8 Qc3 Qc8 Qe3+ Qe4 Qe6 Qe7 Qee8 Qf5+ Qf8+ Qg3+ Qh2+; ce 32762; dm 3; pv
>>>Qf5+ Kg2 Ne3+ Kg1 Qf1#;
>>>
>>>Which made me wonder,
>>>In a real game, what is the most ever equally good (DTM) simultaneous best
>>>moves?
>>>
>>>19 equal mates in 3 is interesting, but I wonder if there has ever been (for
>>>example) 100 best moves leading to mate in some minimum distance.
>>
>>I think that it will be hard to find more than 100 legal move in games(you can
>>construct position with more than 200 moves but if you talk about positions from
>>real games then my experience is that even more than 80 is very rare).
>>
>>constructing a position with more than 19 mates in 1 is easy
>>
>>
>>
>>[D]k7/2PPPPPP/7K/2Q5/2Q5/2Q5/6R1/1R5B w - - 0 1
>>
>>Here is first position that I composed and I am sure it is easy to compose a
>>better example.
>>
>>Uri
>
>Well any composition needs to be legal... This one is not... What was the last
>black move?

Ka8 after the check by the white queen.



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