Event: Open

PDF Excel

Opponent	Rating	Result
Philip J Gregory	2025	½ - ½
Andrew Gilfillan	2002	1 - 0
Malcolm R Peacock	2042	1 - 0

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

2290 = (6069 + 400 * (2 - 0)) / 3)