Event: Open Division 2 A

PDF Excel

Opponent	Rating	Result
James Cole	0	½ - ½
Martin Cobham	0	½ - ½
Robert M Ashworth	0	1 - 0
James Clarke	0	½ - ½
Julian H Summerfield	0	1 - 0

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

160 = (0 + 400 * (2 - 0)) / 5)