Event: League Division Two

PDF Excel

Opponent	Rating	Result
Stephen Forbes	115	0 - 1
Nicholas Waite	76	0 - 1
Hugh Cornish	0	½ - ½
Tom Devlin	106	0 - 1
Tom Devlin	106	1 - 0

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

-79 = (403 + 400 * (1 - 3)) / 5)