Event: 16th August - Internal Rapidplay

PDF Excel

Opponent	Rating	Result
Jonathan Culshaw	1477	0 - 1
Tim Clays	0	0 - 1
Mohammed Nasr	0	0 - 1
Ethan Hurst	1321	0 - 1
Paul Keevil	1749	½ - ½

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

589 = (4547 + 400 * (0 - 4)) / 5)