Event: TCL Rapidplay

PDF Excel

Opponent	Rating	Result
Brian Medhurst	125	0 - 1
Michael Hussey	95	1 - 0
Brian Medhurst	125	0 - 1
Michael Hussey	95	0 - 1

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

-90 = (440 + 400 * (1 - 3)) / 4)