Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Max Parkhouse	84	1 - 0
John Hipshon	123	0 - 1
Werner Rieser	100	1 - 0

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

236 = (307 + 400 * (2 - 1)) / 3)