Event: Bill Lumley Rapidplay

PDF Excel

Opponent	Rating	Result
Leo A Keely	178	1 - 0
Greg T Eagleton	187	1 - 0
David Keddie	169	½ - ½

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

445 = (534 + 400 * (2 - 0)) / 3)