White Black 1. Ae2-Ae4 Ac8-Bb7 2. Ad1-Af3 Ag8-Bg6 3. Aa1-Ba1 Aa7-Ba6 4. Ba1-Bd1* Aa8xAa2 *White Rook blocks escape for Black King 5. Af1-Ac4 Aa2-Ba2 6. Af3xAf7+!