Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Zak Tomlinson	1765	0 - 1
Richard F Hall	1737	½ - ½
Peter Catt	1789	1 - 0

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

1764 = (5291 + 400 * (1 - 1)) / 3)