Event: County Championship

PDF Excel

Opponent	Rating	Result
James Irwin	0	1 - 0
Stephen CV Prior	0	0 - 1
Denis Georgiou	0	0 - 1
William Pennell	0	1 - 0
Joe Kilshaw	0	1 - 0

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

80 = (0 + 400 * (3 - 2)) / 5)