Blancs: Rg1, Df4, Tc1, Tf6, Cg3,
                  a2, b2, d4, e3, g2, h2.

Noirs: Rh8, De7, Tg7, Tg8, Fd5,
                  a5, b4, e4, e6, f7, h7.

Solution: 1) De5 – Tg5
                 2) Cf5 (Gain).