Set Play:

 1. ... cxd5/c5 2. Bxb5#

 

Try: 1. Bb6? waiting

 1. ... cxd5/c5 2. Bxb5#

  But 1. ... Kd3! 

 

Try: 1. Bxb5?+

  But 1. ... cxb5! 

 

Try: 1. Kd6? waiting

 1. ... cxd5/c5 2. Bxb5#

  But 1. ... Kd3! 

 

Try: 1. Ke5? waiting

 1. ... cxd5/c5 2. Bxb5#

  But 1. ... Kd3! 

 

Try: 1. Rd6? waiting

 1. ... c5 2. Bxb5#

  But 1. ... Kd3! 

 

Try: 1. Rd7? waiting

 1. ... c5 2. Bxb5#

  But 1. ... Kd3! 

 

Try: 1. Rd8? waiting

 1. ... c5 2. Bxb5#

  But 1. ... Kd3! 

 

Try: 1. Sxc6? ad lib 2. Sa5#

  But 1. ... Kb3! 

 

Try: 1. f4? waiting

 1. ... cxd5/c5 2. Bxb5#

  But 1. ... Kd3! 

 

Solution: 1. Rxb5! [2. Ra5, Rb7, Rb8, Rd5, Re5, Rf5, Rg5, Rh5, Rb4, Rb3, Rb2, Rb1#]

 1. ... cxb5 2. Bxb5#

 1. ... c5 2. Rb4#

 1. ... Kd3 2. Rb2#