Event: Rated club games

PDF Excel

Opponent	Rating	Result
Roy A Ludlow	1636	½ - ½
David L Weston	1666	1 - 0
Roy A Ludlow	1645	½ - ½

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

1782 = (4947 + 400 * (1 - 0)) / 3)