Event: Margate Rapid-Play

PDF Excel

Opponent	Rating	Result
Leon A Garfield	86	½ - ½
Patrick Burns	167	0 - 1
John L Clarke	76	0 - 1

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

-157 = (329 + 400 * (0 - 2)) / 3)