Event: Division 2

PDF Excel

Opponent	Rating	Result
Richard J West	141	0 - 1
Clint P Mann	126	½ - ½
Adrian Walker	143	0 - 1
Ian P Blencowe	131	½ - ½

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

-65 = (541 + 400 * (0 - 2)) / 4)