Event: Club Championship

PDF Excel

Opponent	Rating	Result
David Wm Smith	0	0 - 1
Derek Toyne	0	0 - 1
Philip N Mander	0	½ - ½
Norman G Andrews	0

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

-267 = (0 + 400 * (0 - 2)) / 3)