Event: BCL Division 2

PDF Excel

Opponent	Rating	Result
Nigel B Walker	1472	0 - 1
Alan Heath	1823	0 - 1
John E McKeon	1511	½ - ½

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

1335 = (4806 + 400 * (0 - 2)) / 3)