Event: Major

PDF Excel

Opponent	Rating	Result
Simon Lunn	175	0 - 1
Henry G Duncanson	201	0 - 1
Simon Wilks	196	0 - 1
Kevin Hurney	180	0 - 1
Roman C Mitra	201	½ - ½

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

-129 = (953 + 400 * (0 - 4)) / 5)