Event: Junior Rapid Play

PDF Excel

Opponent	Rating	Result
George Tagg	1180	0 - 1
Oliver Martin	0	1 - 0
Niamh Grace	1139	1 - 0
Ann Tagg	1259	1 - 0
Jessica Appleton	924	0 - 1

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

980 = (4502 + 400 * (3 - 2)) / 5)