Event: WMA Autumn League Division 2

PDF Excel

Opponent	Rating	Result
David Howles	1600	1 - 0
Wahhaab Ishaq	1284	0 - 1
Jack Huffer	1619	0 - 1
Colin Woodall	1377	0 - 1
Alan T Woollaston	1600	0 - 1
David Howles	1600	1 - 0
Wahhaab Ishaq	1284	0 - 1
Jack Huffer	1619	0 - 1
Colin Woodall	1377	0 - 1
Alan T Woollaston	1600	1 - 0

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

1336 = (14960 + 400 * (3 - 7)) / 10)