Event: Derby & District Division 3

PDF Excel

Opponent	Rating	Result
Graham J Pace	1512	1 - 0
Pierre Reynaud	1517	0 - 1
Nigel D Marshall	1440	½ - ½
Garry Sands	1555	0 - 1

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

1406 = (6024 + 400 * (1 - 2)) / 4)