Event: Open Division 1 A

PDF Excel

Opponent	Rating	Result
Philip J Horspool	0	0 - 1
Paul Cumbers	0	1 - 0
David Friedgood	0	1 - 0
Dominic Mackle	0	1 - 0
Etan Ilfeld	198	1 - 0

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

280 = (198 + 400 * (4 - 1)) / 5)