A. Troitzky
500 Endspielstudien, 1924
Win

White: Kd5, Rc3, Ba7, Ba2
Black: Ka8, Rh7; pawns - c2, d3

1 Be3 d2 2 Bxd2 Rd7+ 3 Kc6 Rxd2 4 Kc7 c1Q 5 Bd5+! Rxd5 6
Rxc1 Ra5 7 Kb6 and wins.

5...Ka7 6 Rxc1 Ka6 7 Kc6 Ka5 8 Kc5. 5 Bd5+! compels Black's
Rook to the fifth rank.