Event: Cumnor Bill Laar Trophy

PDF Excel

Opponent	Rating	Result
Andrey Tishkin	1637	0 - 1
Steven P Bennett	1514	0 - 1
Steven Jackson	0	0 - 1

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

650 = (3151 + 400 * (0 - 3)) / 3)