Event: Open Division 1 A

PDF Excel

Opponent	Rating	Result
Robert S Eames	0	0 - 0
David Latham	0	½ - ½
Paul DJ Hampton	0	1 - 0
David Friedgood	0	0 - 1
Nigel Birtwistle	0	½ - ½

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

0 = (0 + 400 * (1 - 1)) / 4)