Set Play:

 1. ... Rxg2 2. Qh7#

 

 

Try: 1. Qc6? waiting

  But 1. ... Rh1! 

 

Try: 1. Ke4? [2. Qxg3#]

  But 1. ... Kxg2! 

 

Try: 1. Bf3? ad lib 2. Qh7#

  But 1. ... Kh4! 

 

Solution: 1. Qc1! waiting

 1. ... Kh4, Rxg2 2. Qh6#

 1. ... Kxg2 2. Qf1#

 1. ... Rh1 2. Qxh1#