Event: Christmas Rapidplay

PDF Excel

Opponent	Rating	Result
Phil Wales	1567	0 - 1
Kaira Nalawade	850	0 - 1
Charles Hind	1105	1 - 0
Brian Ellis	1640	1 - 0
Eva Harris	1104	1 - 0

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

1333 = (6266 + 400 * (3 - 2)) / 5)