[Retros] About T.Orban problem; Yefim's letter 01/12/2005

[Nicolas.Dupont at math.univ-lille1.fr]

Happy new year everybody !

It should be noticed that the following "mirror problem" shows the same
paradox without any question about the right of castling.


tcfdrfct/ppp3pp/3p1p2/8/3P4/8/PPP1PPPP/TC1DRFCT

a) spg in 3 moves, 4 solutions

b) (exact) pg in 4 moves

cheers,

Nicolas.