Event: Mini League

PDF Excel

Opponent	Rating	Result
Chris Tatham	1589	0 - 1
Dave Young	1399	0 - 1
Phil Higgins	1288	0 - 1
Richard Finney	1563	1 - 0
Neil Harris	963	1 - 0

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

1280 = (6802 + 400 * (2 - 3)) / 5)