Puzzle#3 from Nunn's Chess Puzzle Book, Polugaevsky - Torre, London, 1984
Klubber
King's Gambit Players
1 158 Medlemmer
U.S. Chess Federation
3 691 Medlemmer
NM Coach-Bill's Free Video Lessons
45 633 Medlemmer
Endgamers Anonymous
24 Medlemmer
Team USA - Southwest
455 Medlemmer