Dieter Müller
PZSzach & Miasto Gdynia 60-JT 1987
3. Nagroda
#2 7+8 muel8701
Try:
1.Re2?
1...d5
1...e6
1...f4
but
[2.Sc4#]
2.b8=Q# A-B'
2.Qxh8# B-C'
2.Shg4# C-A'
1...Bxe2!
Solution:
1.Rf2!
1...d5
1...e6
1...f4
[2.Rxf5#]
2.b8=Q# C-B'
2.Qxh8# A-C'
2.Shg4# B-A'
cyclic motivation change