Event: D&DCL Div 3

PDF Excel

Opponent	Rating	Result
Nigel Wright	135	1 - 0
Trevor FW Lewis	121	1 - 0
Alan Holden	96	1 - 0
Edward Brown	104	0 - 1

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

314 = (456 + 400 * (3 - 1)) / 4)