Event: Online League - Division 1

PDF Excel

Opponent	Rating	Result
David N Roberts	0	½ - ½
David W Fryer	0	0 - 1
Rakesh Nair	0	1 - 0
Harry McCarney	0	1 - 0
Robin A Jones	0	1 - 0

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

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