Event: D&DCL Cup QP

PDF Excel

Opponent	Rating	Result
Neil Graham	0	0 - 1
Steve J Gibbs	0	½ - ½
Maurice J Hill	0	0 - 1
Vaughan WG Smith	0	0 - 1

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

-300 = (0 + 400 * (0 - 3)) / 4)