No. 158, April 1996
9189 - Werner Keym Die Schwalbe Heft 158, 04/1996
15+10. (1) Mate in 2. (2) Which units can be put on another free square without modifying the solution? (3) How many such units are there?
9+14. Proca-retractor. Wh. retracts 2 moves and mates in 1. (Promotees in the diagram position are (a) allowed, (b) forbidden)
15+15. Proof game in how many moves? (Promotees in the diagram position are (a) allowed, (b) forbidden)
13+10. Release the position (Wh. has the move)
15+12. Release the position
0+3. Add 1 wh. King, 1 wh. Knight, 1 bl. Rook and 6 bl. Pawns to get an Illegal Cluster. How many solutions? (Promotees in the diagram position are (a) allowed, (b) forbidden)
15+7. Mate in 2
8+2. Mate? (How did this happen?)
7+4. Add one wh. Pawn, then mate in 1. How many solutions?