L. Kubbel
USSR Chess Section Tourney
1925-26 First Prize

White: Kf3, Qd1, Ba5; pawns - c2, f2, g2
Black: Ka4, Qg8, Nf8; pawns - b7, d7, e5, g7

Win

1 c4+ Kxa5 2 Qb3 Qf7+/i 3 Ke2 Qh5+ 4 g4 Qxg4+ 5 Kf1 Ka6 6
Qa4+ Kb6 7 c5+ and wins.

i) 2...Ka6 3 Qa2+ Kb6 4 c5+ and wins