1.Qh3? (2.Rb6#[A]/Rc5#[B])
but 1...Kxb5!
1.Qf1? (2.Rd6#[C]/Rc7#[D])
but 1...Kxd7!
1.Rb4? (2.Rd6#[C])
but 1...Kxd7!
1.Ra5? (2.Rc7#[D])
but 1...Kxd7!
1.Rd4? (2.Rb6#[A])
but 1...Kxb5!
1.Re7? (2.Rc5#[B])
but 1...Kxb5!
1.Qh5?? (2.Qd5#/Rd6#[C]/Rc7#[D])
but 1...Kxd7!
1.Qh7?? (2.Rb6#[A]/Rc5#[B])
but 1...Kxb5!
1.Qd1?? (2.Qd5#/Rb6#[A]/Rc5#[B])
but 1...Kxb5!
1.Qb1?? (2.Rd6#[C]/Rc7#[D])
but 1...Kxd7!
1.Rb3?? (2.Rd6#[C])
but 1...Kxd7!
1.Rb2?? (2.Rd6#[C])
but 1...Kxd7!
1.Rb1?? (2.Rd6#[C])
but 1...Kxd7!
1.Re5?? (2.Rc7#[D])
but 1...Kxd7!
1.Rf5?? (2.Rc7#[D])
but 1...Kxd7!
1.Rg5?? (2.Rc7#[D])
but 1...Kxd7!
1.Rh5?? (2.Rc7#[D])
but 1...Kxd7!
1.Rd3?? (2.Rb6#[A])
but 1...Kxb5!
1.Rd2?? (2.Rb6#[A])
but 1...Kxb5!
1.Rd1?? (2.Rb6#[A])
but 1...Kxb5!
1.Rd8?? (2.Rb6#[A])
but 1...Kxb5!
1.Rf7?? (2.Rc5#[B])
but 1...Kxb5!
1.Rg7?? (2.Rc5#[B])
but 1...Kxb5!
1.Rh7?? (2.Rc5#[B])
but 1...Kxb5!