[Retros] rights & ocassions / not answering Andrew anymore

[Kevin Begley]

OK, that proved much easier than I thought it might be.  LMAO.

But, it turns out to be minimally persuasive -- one could construct a much
more interesting problem, whereby it is necessary to avoid 3R, to achieve
mate, and this would undoubtedly prove the more interesting interpretation
(unless it spoils something good -- either something in existence, or
something certain to exist in the future).




On Wed, Jun 4, 2014 at 6:48 PM, Nicolas Dupont <
Nicolas.Dupont at univ-lille1.fr> wrote:

> If this is not difficult [...]
>>
>
> Condition: a piece (King excluded) may give check only after his fourth
> move.
>
> W: Kc3 Ra1 Pa2 B: Kc1 Sb2
> ser-#4
>
> 1.Rb1 2.Ra1 3.Rb1 4.Ra1#
>
> No solution with 3R.
>
>
>
>
>
>
>
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