[Retros] Task

[Pascal Wassong]

Hello,

The direct link to the thread is:

http://www.france-echecs.com/index.php?mode=showComment&art=20060919215435937

As this is a french forum, all text is in french.

Pascal





>>>>> "Noam" == Noam Elkies <elkies at math.harvard.edu> writes:


    >>>> In the web-site "France-Echecs", I proposed the following
    >>>> problem [...]
    >>> What's the link?

    >> http://www.france-echecs.com/

    Noam> It's still not obvious to me where to go from there to see
    Noam> your announcement and the proof games you described.

    >>>> Knight with capture : not least [...]

    >>> What does "not least" mean?

    >> It means that even if we accept that some capture occurs during
    >> the game, we were unable to find a shortest one.

    Noam> By "shortest" I guess you mean "shorter" there.

    >>>> Rook without capture : 9 moves (Itamar Faybish)

    >>> This at least is not optimal:

    >>> 1 f3 h5 2 Kf2 h4 3 Qe1 h3 4 Kg3 Nf6 5 Qf2 Rg8 6 Kh4 Se4 7 g3
    >>> f5 8 Qg2 Rh8#

    >> Very nice game, and quickly realised !

    Noam> Thanks, though again it seems that even this is longer than
    Noam> necessary.

    Noam> NDE _______________________________________________ Retros
    Noam> mailing list Retros at janko.at
    Noam> http://www.pairlist.net/mailman/listinfo/retros