Blancs: Ra7, Dg1, Fg2, e6
Noirs: Rc8, Dg6, Fd8, a5, c5, c6

Solution: 1) Fh3 – Dh7+
                 2) Dg7 – Fb6+
                 3) Rxb6 – Db1+
                 4) Rxc6 (Gain)