Event: Club Championship Div 1

PDF Excel

Opponent	Rating	Result
Neville Layhe	1611	0 - 1
Kamil Zak	2015	0 - 1
Martin J Burns	1911	½ - ½
Andrew L Raeburn	1803	½ - ½

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

1635 = (7340 + 400 * (0 - 2)) / 4)