Event: AG Sunderland

PDF Excel

Opponent	Rating	Result
David Callaghan	1114	1 - 0
Yahya Durani	1440	0 - 1
Kenneth L Marsden	1429	½ - ½

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

1328 = (3983 + 400 * (1 - 1)) / 3)