Event: Rapidplay - Under 7000

PDF Excel

Opponent	Rating	Result
Lance Howarth	1272	1 - 0
James Allen	1197	0 - 1
Lance Howarth	1272	1 - 0
James Allen	1197	0 - 1

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

1235 = (4938 + 400 * (2 - 2)) / 4)