Event: Ladder Tournament

PDF Excel

Opponent	Rating	Result
Neville T Rowden	1288	½ - ½
Paul Johnson	1327	1 - 0
Jack O'Hare	1309	1 - 0

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

1575 = (3924 + 400 * (2 - 0)) / 3)