Event: Winter Club Div 2

PDF Excel

Opponent	Rating	Result
George Bulbeck	0	1 - 0
Steve Ballantyne	1368	1 - 0
Nigel Gardner	1383	0 - 1
George P Jelliss	1315	1 - 0
Kobus Nienaber	1435	1 - 0
Pawel Stanny	1308	1 - 0
Julian M Bulbeck	1503	0 - 1

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

1359 = (8312 + 400 * (5 - 2)) / 7)