1.d7? (X) – 2.Qxc6#, 1...Bxb6 (a) 2.Qxe7#(Y), 1...Bd6!
1.Qxe7? (Y) – 2.Se6# (A), 1...Bxb6 (a) 2.d7# (X), 1...Sf8!
1.Sxf5? (C) – 2.Qe3# (B), 1...cxd5 (b) 2.Qxd5# (2.Rb5?), 1...Bxb6! (a)
1.Sxc6? (D) – 2.Rb5#, 1...Bxb6 (a) 2.Qe3# (B), 1...Rxb8!
1.Qe3? (B) – 2.Sxf5# (C), 1...Bxb6 (a) 2.Sxc6# (D) (2.Se6?), 1...cxd5 (b) 2.Se6# (A) (2.Sxc6?), 1...f4!
1.Qe1! – 2.Rxc6# (2.Se6?)
1...Kxd6 2.Qxe7# (Y)
1...Bxb6 (a) 2.Se6# (A) (2.Qxa5?)
1...Rxd6 2.Qxa5# (2.Se6?)