Event: SCL Div 1

PDF Excel

Opponent	Rating	Result
Andrew C Cooper	0	1 - 0
David Lambton	0	1 - 0
Tom Kazmierski	0	1 - 0
Gillian A Moore	0	1 - 0
John R Wilkinson	0	½ - ½

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

320 = (0 + 400 * (4 - 0)) / 5)