Event: Div 2 - Weston Trophy

PDF Excel

Opponent	Rating	Result
Kevin Fairburn	1662	1 - 0
Geoffrey D Brown	1734	0 - 1
Ron Keenan	1591	0 - 1

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

1529 = (4987 + 400 * (1 - 2)) / 3)