Event: Club Knock out

PDF Excel

Opponent	Rating	Result
Peter Hurn	1581	1 - 0
Dave S Almond	1742	1 - 0
George Turner	1875	0 - 1

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

1866 = (5198 + 400 * (2 - 1)) / 3)