Event: Rapidplay - mini-league

PDF Excel

Opponent	Rating	Result
Adam Palmer	120	1 - 0
Henry L Shaw	129	½ - ½
Toby Appleton	50	1 - 0

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

366 = (299 + 400 * (2 - 0)) / 3)