Blancs : Rc1, Df3, Te1, Th1, Fc4, Cd2
                 a2, b2, c3, d4, h2.

Noirs : Rc8, Dh6, Td7, Te4, Fh7, Cc6,
                 a7, b7, c7, f7.

Solution : 1) … – Ce5
                  2) Df1 – Txe1+
                  3) Dxe1 – Cxc4 (Gain).