1986 JT40 Polish People's Republic
1. Prize *** FIDE Album 1986-88
1.Kb6? ~ 2.Sc6#
1...Qe5 ..Bc5 ..Sc4 2.Be5#,Qc5#,Qc4# 1..Rc3!
1.Bf3? ~ 2.Rd5#
1...Qe5 ..Rh5 ..Sf3 2.Be5#,Bg7#,Qc4# 1..Sc3!
1.Bb7! ~ 2.Sf5# 1...Rc3 ..Sc3 ..Sc4
2.Rd5#(Sc6#?),Sc6#(Rd5#?), Qc4#
Isaev (theme A+B), Hannelius, dual avoidance
2# 11+10 id=56