Event: Club Championship

PDF Excel

Opponent	Rating	Result
Richard J Walsh	0	1 - 0
Jonathan Verden	0	1 - 0
James McKiernan	0	½ - ½
James McKiernan	0	1 - 0
Danny McMenamin	0	1 - 0

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

320 = (0 + 400 * (4 - 0)) / 5)