Having gone thru the latest issue of StrateGems, I found two outstanding Proof Games for solving:
G.Donati/O.Heimo, StrateGems 2011
PG in 23.0 moves
[Find a legal game of chess that reaches this position after Black's 23rd move]
S.Hashimto, StrateGems 2011
PG in 25.0 moves
[Find a legal game of chess that reaches this position after Black's 25th move]
G.Donati/O.Heimo, StrateGems 2011
PG in 23.0 moves
[Find a legal game of chess that reaches this position after Black's 23rd move]
S.Hashimto, StrateGems 2011
PG in 25.0 moves
[Find a legal game of chess that reaches this position after Black's 25th move]