Event: John Swan Trophy

PDF Excel

Opponent	Rating	Result
Biran S Shah	0	0 - 1
Alexander New	0	0 - 1
David J Payne	0	0 - 1
Andrew S Pandian	0	½ - ½
John E Dolamore	0	0 - 1

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

-320 = (0 + 400 * (0 - 4)) / 5)