Event: Silver Rook

PDF Excel

Opponent	Rating	Result
David Harasym	1750	½ - ½
R Itoe	1720	1 - 0
Isaac Fossey	1807	½ - ½

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

1892 = (5277 + 400 * (1 - 0)) / 3)