Event: Open Division 1 B

PDF Excel

Opponent	Rating	Result
Richard Polaczek	0	0 - 1
Andrew P Lewis	0	0 - 1
Mark Josse	0	0 - 1
Mike J Surtees	0	½ - ½
James E Moreby	0	0 - 1

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

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