Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Alex Burke	1748	0 - 1
Sami Sheikh	0	1 - 0
Gary Leighton	0	1 - 0
Ethan Gaffney	1405	1 - 0

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

988 = (3153 + 400 * (3 - 1)) / 4)