Genrikh Kasparyan
British Chess Magazine 1938 
Win
White: Kg2, Ra6, Re7; pawn b6
Black: Kg8, Rf6, Rf8; pawn f4

1.aRa7 f3+ 2.Kf2!/i, with either: Rg6 3.b7 Rg2+ 4.Kf1/ii f2/iii 5.Rf7! Rb8 6.Ra8!/iv Kxf7 7.Rxb8 Rg1+
8.Kxf2 Rb1 9.Rh8 wins, or Rh6 3.b7/v Rh2+ 4.Kg3/vi f2/vii 5.Rg7+ Kg8 6.Rf7, and White wins.
i) That 2.Kf1? is wrong will be seen later on - as shown in (v).
ii) There is no win after 4.Ke3? Re2+ 5.Kd3 Rb2 6.Rg7+ Kh8 7.Rh7+ Kg8.
iii) Rb2 5.Ra8 Rb1+ 6.Kf2 Rb2+ 7.Kg3! f2 8.Rxf8+ Kxf8 9.Kg2 and wins.
iv) 6.Rc7? Rf8 repeats.
v) 3.Rg7+? is premature: Kh8 4.b7 Rh2+ 5.Ke3 Re2+ 6.Kd3 Rd8+, with an easy draw. Now the point of
2.Kf2! is clarified, as 2.Kf1? could be met by (Rh6 3.b7) f2 4.Rg7+ Kh8 5.Rf7 Rh1+, drawing.
vi) Skirting round the tempting 4.Ke3? f2/viii 5.Rg7+ Kh8 6.Rf7 Re8+, when there is no white win.
vii) Rg2+ 5.Kh3 f2 6.b8Q f1Q 7.Qb3+ Kh8 8.Rh7 mate.
viii) Re2+? 5.Kd3 f2 6.Rg7+ Kh8 7.b8Q, when White wins. This study was suggested by the play in one of
my off-hand games.