Event: 4th Western Counties Online Championship

PDF Excel

Opponent	Rating	Result
Gillian A Moore	1700	½ - ½
Pengxiao Zhu	1370	0 - 1
Bryan Jones	1575	1 - 0

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

1548 = (4645 + 400 * (1 - 1)) / 3)