Event: Roger Goldsmith Div 2

PDF Excel

Opponent	Rating	Result
David (Abs) Bailey	1150	1 - 0
Mark Webb	1362	0 - 1
Miriam Meeks	1250	1 - 0

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

1387 = (3762 + 400 * (2 - 1)) / 3)