Puzzle#3 from Nunn's Chess Puzzle Book, Polugaevsky - Torre, London, 1984
俱樂部
King's Gambit Players
1,156 會員
U.S. Chess Federation
3,501 會員
NM Coach-Bill's Free Video Lessons
45,519 會員
Endgamers Anonymous
24 會員
Team USA - Southwest
456 會員