Event: Derby & District Cup QP

PDF Excel

Opponent	Rating	Result
Andrew Stevens	0	0 - 1
Richard Anderson	0	1 - 0
Paul Madden	0	1 - 0
Peter Ackley	0	1 - 0

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

200 = (0 + 400 * (3 - 1)) / 4)