Miroslav Svitek (Czech Republic)
 
#4 3+3

1.B:f3? (A) threat 2.Kf7 (B) and 3.Rh5#     1...Kg6!

1.Kf7! (B) threat 2.B:f3 (A) and 3.Rh5# (ideal mate)
1...Kf5  2.B:f3 threat 3.Rh5#                  (ideal mate)
2...Ke5 3.Rd1 threat 4.Rd5#                  (ideal mate)
3...Kf5  4.Rd5#                                      (ideal mate)