Valladao-Monteiro
From Retro-Wiki
The solution shall contain (at least) a castling, an "en passant" capture and a promotion, whatever the order of those moves.
Thierry Le Gleuher, Messigny 2006
15+11: Last 6 single moves?
Solution: n-3... Kb2-c3 n-2.o-o-o a2-a1=N n-1.Rf6-b6+ e7-e5 n.f5xe6+
