No. 121 , Apr. 1997 - SOLUTIONS
3746 - Stanislav Vokal
Retract -1. O-O !! Now Black's last move could only have been with Ke8 or Rh8, hence Black's O-O is broken. Mate in 2 is with 1. O-O-O ! for 2. Rd8#.
3747 - Eric Angelini
The capture squares are P on a3, N on d4 and R on e3 as in the following proof game: 1. f3 a5 2. Kf2 a4 3. Ke3 a3 4. Nxa3 Nc6 5. Nb1 Nd4 6. Kxd4 Ra3 7. Ke4 Re3+ 8. Kxe3 Nh6 9. Kf2 Ng8 10. Ke1