Event: Poulton Rapidplay Championship

PDF Excel

Opponent	Rating	Result
Paul N Fearnhead	93	0 - 1
Paul N Fearnhead	93	0 - 1
Ben Fearnhead	133	1 - 0

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

-27 = (319 + 400 * (1 - 2)) / 3)