Event: D&DCL Plate QP

PDF Excel

Opponent	Rating	Result
Jonathon Swift	1748	1 - 0
Graham J Pace	1566	0 - 1
Andy Greenfield	0	0 - 1
George Gledhill	1583	1 - 0

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

1224 = (4897 + 400 * (2 - 2)) / 4)