Event: Hargreaves Shield

PDF Excel

Opponent	Rating	Result
Tim Spencer	121	1 - 0
Paul Carfrae	133	1 - 0
Paul Carfrae	133	0 - 1
Clive J Le Baigue	118	0 - 1
William Tracey	125	1 - 0

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

206 = (630 + 400 * (3 - 2)) / 5)