Event: League

PDF Excel

Opponent	Rating	Result
Rod S Wardlaw	137	1 - 0
Mike Dew	110	1 - 0
Bernard Pratten	146	0 - 1
Stan J Smart	122	1 - 0
Rod S Wardlaw	137	0 - 1

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

210 = (652 + 400 * (3 - 2)) / 5)