Event: The Friendly League

PDF Excel

Opponent	Rating	Result
Dave Gaston	1623	1 - 0
Malcolm R Peacock	2075	0 - 1
Steven M Flaherty	1605	1 - 0
John Jarmany	2185	1 - 0
Clive Edwards	0	½ - ½
Thomas Martin	0	1 - 0
John Whitfield	1802	1 - 0

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

1556 = (9290 + 400 * (5 - 1)) / 7)