Event: Division 6

PDF Excel

Opponent	Rating	Result
Simon C Sellick	1579	1 - 0
Jonathan Welton	1667	0 - 1
Geoffrey A Foxon	1531	1 - 0
Robert S Pigeon	1574	½ - ½

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

1688 = (6351 + 400 * (2 - 1)) / 4)