Event: Longplay

PDF Excel

Opponent	Rating	Result
Jeff Wilson	1390	1 - 0
Paul D Doherty	1733	0 - 1
Robin IR Wilding	1785	0 - 1
Peter Hurn	1578	½ - ½

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

1522 = (6486 + 400 * (1 - 2)) / 4)