Event: Durham League Division B

PDF Excel

Opponent	Rating	Result
Adrian J Dilley	0	1 - 0
Philip Brooks	1572	1 - 0
Stephen J Hall	1837	1 - 0

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

1536 = (3409 + 400 * (3 - 0)) / 3)