Event: IM Brown

PDF Excel

Opponent	Rating	Result
Geoffrey D Brown	1867	0 - 1
Jeff Dutton	1559	1 - 0
Gary Hinchcliffe	1822	0 - 1

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

1616 = (5248 + 400 * (1 - 2)) / 3)