White to move.
Black: Ke3, d2, g4 (3 pieces)
White: Kd1, Qg1, Rb5, Rc4, Ba5, Bc6, Nf2, Nh1, a7 (9 pieces)
White to move.
Black: Ke4, Rc4, Bb1, b4, c3, d6, e6 (7 pieces)
White: Kg5, Qa8, Ba2, Bc5, Nd5, d4, e2 (7 pieces)
White to move.
Black: Kc4, Ba4, c6, c7, d3 (5 pieces)
White: Ka1, Qd7, Bb7, Bf8, Nd4, d2, e6 (7 pieces)
White to move.
Black: Kc5, Ra6, Bd5, Na5, Nc8, b3, d7 (7 pieces)
White: Ke1, Rb8, Bc7, Nb5, Nd8, a3, c4, d3, e3, e5 (10 pieces)