Christian Poisson (France)
 
#3 2+2

1.c8Q!
1... e5 2.Qf5 e4 3.qf1#
        2...Kd1 3.Qf1#
1... Kb1 2.Qb7+ Ka2 3.Qb2#
         2...Ka1 3.Qb2#
         2...Kc1 3.Qh1#
1...Kd1 2.Qxe6 Kc1 3.Qe1#