This week’s problem is a twomover, showing some excellent dual avoidance.
1.Qd7! Threat 2.Qd5#.
Now we have a series of interferences, including a Grimshaw, based on Black's various
defences on d6 and c7:
1...Sbd6 2.Rf4#; 1...Sfd6 2.Qc6#; 1...Bd6 2.Qc6#; 1...Rd6 2.Rf4#; 1...Qd6 2.Qxf5#;
1...Sc7 2.Rf4#; 1...Se7 2.Sc5#