Event: Open Division 1 A

PDF Excel

Opponent	Rating	Result
Ben Pourmozafari	0	1 - 0
David H Coates	0	0 - 1
Steven F Coles	0	0 - 1
Mark S Allison	0	½ - ½
Leon Cox	0	0 - 1

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

-160 = (0 + 400 * (1 - 3)) / 5)