Event: Internal Rapidplay Jan2

PDF Excel

Opponent	Rating	Result
William Rowett	1318	0 - 1
Matthew Rowett	1585	0 - 1
Laura Holdforth	1237	0 - 1

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

980 = (4140 + 400 * (0 - 3)) / 3)