Event: Rapidplay Rally (May)

PDF Excel

Opponent	Rating	Result
James Pack	1826	1 - 0
Steve Lovell	1884	0 - 1
Alan Watkins	1838	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1716 = (5548 + 400 * (1 - 2)) / 3)