I like studies with few pieces. Richard Réti created some wonderful such studies.
Position 1. White to play and win.
1929
Solution: 1.Rf2 Kxe5 2.Kxe7 f4 3.Rf1 (see Position 2).
Position 2. White to play and win.
Münchner Neueste Nachrichten, 1 Jan 1928 (1, p. 30)
Solution: 1.Rd3! d4 2.Rd1! maintains the opposition. The white king will stay on the side opposite to the black king.
Position 3. White to play and win.
Kölnische Volkszeitung, Jan 1928
Solution: 1.Kf2! Ke4 2.Kxe2 Kd4! 3.Rg1 Ke4! (3...Kc3 4.Re1 Kb2 5.Kd2 Kb3 6.Rc1) 4.Re1! (key position) 4...Ke5 5.Ke3 Ke6 6.Ke4




















































