1.Ree6? threat: 2.Se7# 1...Qxe2 2.Rxd6# (2.Qf5? 2.Qxb3?)
1...Qxg6 2.Qxb3# but: 1...Sf6!
(1…Qe4!? 2.Se7#) AbaB e4-e6-e7
1.Re3? threat: 2.Se7# 1...Qxe2 2.Qf5# (2…Qe5?) AbaB e2-e3-e5
But: 1...Qe4!
1.Bd3! threat: 2.Se7# 1...Qxe2 2.Qxb3# (2…Qc4?) AbaB e2-d3-c4
1...Sf6 2.Rg5# (2…Qf5?) 1...Qxd3 2.Qxd3#