Event: E Division

PDF Excel

Opponent	Rating	Result
Dave S Almond	1686	0 - 1
Michael Houlston	1420	0 - 1
Khalid Khokhar	1510	½ - ½

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

1272 = (4616 + 400 * (0 - 2)) / 3)