Alberto Armeni (Italy)
 
#2 3+3

set play:  1. ... K c6 2. Q a6 #

     1. ... K e6 2. Qxf6 #

 

Try: 1. Q b5?   [2. Q d7 #]

 1. ... K e6     2. Q d7 #    changed mate

 1. ... B e6     2. Q c5 #

  but   1. ... B c6!

 

Solution: 1. Q f5!    [2. Q d7 #]

 1. ... K c6      2. Q d7 #    changed mate & transferred

 1. ... B c6      2. B c5 #

1. ... B e6      2. Q c5 #  Author