Nxe3+
Conditional: If Qxe3, Bxe3. This is the board after this conditional-
Conditional: If Ke2, Nxc2. This is the board after this conditional-
fxe3.
That is illegal. The witch makes the pawn transparent, allowing my queen to capture your king if you do that.
Oh, I am sorry.
Ke2
Nxc2
Qd1
Nxa1
Bxg6.
Nxg6
Nd3.
Nf4+
Nxf4.
Bxf4
Qxa1.
b6
f3.
Gb7
Qb1.
f5
Nxe3+
Conditional: If Qxe3, Bxe3. This is the board after this conditional-
Conditional: If Ke2, Nxc2. This is the board after this conditional-