Event: Hillingdon Div X

PDF Excel

Opponent	Rating	Result
Xiling Wang	1220	1 - 0
Hemesh Tanisetty	0	1 - 0
Sheldon Andreez	0	1 - 0
Xiling Wang	0	0 - 1

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

505 = (1220 + 400 * (3 - 1)) / 4)