Event: Essex Summer Rapid Knockout

PDF Excel

Opponent	Rating	Result
Philip Staniland	1852	0 - 1
Philip Staniland	1852	0 - 1
Ken W Clow	1703	1 - 0
Ken W Clow	1703	1 - 0

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

1778 = (7110 + 400 * (2 - 2)) / 4)