p5-Games-Tournament-RoundRobin

Round-Robin Tournament Schedule Pairings

Every member of a league of 2n players can be paired with every other member in 2n-1 rounds. If the league members are (Inf, 1 .. 2n-1), then in round i, i can be paired with Inf, and a can meet b, where a+b = 2i (mod 2n-1).