Event: OTB Rapid Championship

PDF Excel

Opponent	Rating	Result
Mark RA Murrell	1926	0 - 1
Zain Qureshi	1191	0 - 1
A Fin O'Regan	1035	1 - 0

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

1251 = (4152 + 400 * (1 - 2)) / 3)