Event: Division Four

PDF Excel

Opponent	Rating	Result
Ken AJ Francis	131	½ - ½
Stephen J Crockett	146	0 - 1
Robert J Purcell	131	½ - ½
Chris C McConkey	145	0 - 1
Matthew Lo	125	0 - 1
Mike J Groombridge	132	1 - 0
Ian Ellis	0	0 - 1

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

-56 = (810 + 400 * (1 - 4)) / 7)