Blancs: Rg1, De3, Tc6, Fb2, Fc2, a2, f3, g2, h2.

Noirs: Rh7, Df7, Dd8, Fc4, Cc5, a7, b6, f5, g7, h6.

Solution: 1) Fxg7 – Dxg7
                 2) Fxf5+ – Rg8
                 3) Tg6 – Td1+
                 4) Rf2 – (Gain).