Event: Kenneth Appleby

PDF Excel

Opponent	Rating	Result
Matthew Dowell	0	1 - 0
Hugh Thornton	126	½ - ½
Peter J Clark	111	1 - 0(def)

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

263 = (126 + 400 * (1 - 0)) / 2)