Event: WMA Summer League Division 1

PDF Excel

Opponent	Rating	Result
Eric Gibbon	0	½ - ½
Robin Hayles	0	1 - 0
Eric Gibbon	0	0 - 1
Robin Hayles	0	0 - 1

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

-100 = (0 + 400 * (1 - 2)) / 4)