[Retros] Twoandahalf original retroproblems from Stuttgarter Zeitung

[keilhack at aol.com]

Werner Keym, Urdruck Stuttgarter Zeitung
8/8/3ppp2/3pkp2/3ppp2/4R3/4Q3/4K3 w - - 0 1
Mate in how many moves?
a) as given
b) rotated 90 degrees clockwisely (wKa4 etc.)
c) moved one file to the right (wKf1 etc.)

BerndSchwarzkopf, Urdruck Stuttgarter Zeitung
2b1k1b1/2p1N1p1/2p1p1p1/4K3/8/8/8/8 w - - 0 1
Black retracts one move, then Helpmate in one (meaning, instead of the retracted move Black moves so that White can mate immediately)
How many solutions?
Edwin Weller, 150 Exzentrische Schachaufgaben 1910, version
8/8/4p1p1/3pPkPp/3PpNpP/1B2PpP1/5K2/8 w - - 0 1
Mate in 4 moves. In the original version as well as in all previous reprints all chessmen are located one rank higher (wKf3, Bb4 etc.). What's the objection? 
Best, Harald Keilhack

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