Blancs: Rh3, Tb3, Cf8, Cg3, a2, c5, g2, h3.

Noirs: Rh6, Td3, Fb1, Ff4, f7, g7, h5.

Solution : 1) … – Txg3+
                 2) Txg3 – Ff5+
                 3) Rh2 – g5
                 4) hxg5+ – Rg7 (Gain).