[Retros] Add pieces
elkies at math.harvard.edu
Sat Mar 12 12:15:43 EST 2011
Theodore Hwa <hwatheod at cs.stanford.edu> writes:
> Does this work? (18 units)
> Put all white pawns on 5th rank.
> Put all black pawns on 4th rank.
> Kings anywhere not in check.
Is this even legal to begin with? There's no way to retract
a pawn move, right?
afretro <afretro at yandex.ru> writes:
> What's all the fuss about?
> [...] Any position with closed balances would do. E.g. [...]
That's another risk of trying to compose tasks well past midnight...
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