Blancs: Rh2, De8, Tg1, Fh1
                 a5, c5, e5, f3, f4, h3.
Noirs : Rh7, Da7, Td3, Cf5
                 c6, d5, e6, h6.

Solution : 1) … – Td2+
                 2) Tg2 – Dg7
                 3) Rg1 – Txg2+
                 p4) Fxg2 – Ch4