Event: Division 1

PDF Excel

Opponent	Rating	Result
James M Robinson	1953	0 - 1
Andrew E Robertson	1878	½ - ½
Gavin James Hughes	2013	0 - 1
D Ian W Reynolds	1915	0 - 1
Edgar Wilson	1953	0 - 1
Terry D Whitton	1924	1 - 0

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

1739 = (11636 + 400 * (1 - 4)) / 6)