[Retros] Retro problems from the Stuttgarter Zeitung/solutions

[keilhack at aol.com]

1) Werner Keym, shortest mate? (why?)
Q7/ppk5/2P1P3/b1KpP3/8/2P5/8/8 w - - 0 1Solution: Not 1.e5:d6#?, as Kc8/d8:Bc7 Bb8-c7+ were possible last moves, but 1.Q:b7+ Kd8 2.Qd7#.
2) Werner Keym, shortest mate? (why?)
7R/6kp/4R1P1/4PpKp/7n/8/6P1/8 w - - 0 1
Solution: Not 1.e5:f6 e.p.+? K:h8 2.Re8#, as Kg8-g7 g7:h8R+ Kf8-g8 are possible last moves, so 1.R:h7+ Kf8 2.Rf7+ Kg8 3.Re8#.
3) Werner Keym/Bernd Schwarzkopf2k5/4K3/8/8/8/8/8/8 w - - 0 1Add 4 chessman. In the resulting position there shall be as much as possible ways to reach the same position after one white and one black move. Which is the position, and how many different moves by White are possible?Add wPg7 and black rooks on f8, g8, h8. g7:f8Q/R/B/K+ R:f8 and g7:h8Q/R/B/K R:h8, so eight different way to reach the same position!

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