Event: Roger Goldsmith Div 2

PDF Excel

Opponent	Rating	Result
Raf Calumpiano	1445	½ - ½
David (Abs) Bailey	1150	½ - ½
Mark Webb	1362	0 - 1

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

1186 = (3957 + 400 * (0 - 1)) / 3)