Event: Club Championship

PDF Excel

Opponent	Rating	Result
Michael Ingham	1286	1 - 0
Alfie Burton	1316	1 - 0
Ashley Jarvis	1520	0 - 1
Emma Walker	1204	1 - 0
Paul Hobbs	1489	1 - 0
Trefor H Owens	1960	½ - ½
Vytautas Gedminas	1643	1 - 0

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

1717 = (10418 + 400 * (5 - 1)) / 7)