Event: Haslemere Trophy

PDF Excel

Opponent	Rating	Result
Jonathan G Young	1705	0 - 1
Adam Sefton	0	0 - 1
Jonathan G Young	1705	1 - 0
Adam Sefton	0	0 - 1

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

653 = (3410 + 400 * (1 - 3)) / 4)