1.Qa8 Bh1 2.Qg2 Sa3+ 3.Kd5 Sb5 4.Sc4 Bxg2
Clever use of the white king to force the queen and bishop play. An ideal mate gem.
Ravi Shankar: Amusing really! The white king is perfectly placed, preventing duals and cook 1.Qb6 Ba8 2. Qb7?? Sa3+ 3.Kd5 Sb5 4.Sc4 Bxb7.