Event: Rapidplay League

PDF Excel

Opponent	Rating	Result
Kyle Pelling	129	½ - ½
Philip Armstrong	174	0 - 1
Steven Mason	118	1 - 0
Kyle Pelling	129	1 - 0
Philip Armstrong	174	0 - 1
Steven Mason	118	1 - 0
William O'Rourke	158	0 - 1
William O'Rourke	158	1 - 0

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

195 = (1158 + 400 * (4 - 3)) / 8)