Event: Division 3

PDF Excel

Opponent	Rating	Result
Peter Smith	1426	1 - 0
Melvin Steele	1571	0 - 1
Liam Bird	1450	½ - ½

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

1482 = (4447 + 400 * (1 - 1)) / 3)