[Retros] Initiation to PGs

Noam Elkies elkies at math.harvard.edu
Wed Dec 16 10:57:10 EST 2009

> I've written a small initiation to PGs, [...]

Looks like a neat project. I think "oddity" is not merely "etrange"
but also a word-play on the mathematical meaning of "odd" (because
it takes an odd number of half-moves to reach a symmetrical position);
it might be asking too much to find a French translation that maintains
this _jeu de mots_...


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