Event: Championship 2018

PDF Excel

Opponent	Rating	Result
Ian P Hunter	175	0 - 1
Jim Bird	95	1 - 0
Keith J Riach	137	0 - 1
Matt Jones	76	0 - 1
Neil Griffiths	123	0 - 1

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

-119 = (606 + 400 * (1 - 4)) / 5)