Blancs : Ra1, Dh8, Cg1, a2, f2, h2
Noirs : Rf7, Fe7, Fg6, a5, c7, e6, f4

Solution : 1) Cf3 – Ff6+
                  2) Ce5+ – Re7
                  3) Dh4 – Fxh4
                  4) Cxg6+     Gain