Event: SCL Div 3

PDF Excel

Opponent	Rating	Result
Thomas Evans	0	½ - ½
Thomas Evans	0	0 - 1
Stephen P Kitley	0	1 - 0
Richard J Meredith	0	1 - 0
Paul AT Hurn	0	1 - 0

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

160 = (0 + 400 * (3 - 1)) / 5)