Event: Division 2

PDF Excel

Opponent	Rating	Result
Ian Williamson	1688	0 - 1
Thomas Keetch	1499	1 - 0
Ian Mitchell	1608	0 - 1

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

1465 = (4795 + 400 * (1 - 2)) / 3)