Event: SCCU County Championship: U1850

PDF Excel

Opponent	Rating	Result
George Hart	1635	0 - 1
Laurie Mackellar	1690	0 - 1
Peter A Burgoyne	1653	0 - 1

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

1259 = (4978 + 400 * (0 - 3)) / 3)