Event: John Davis 6200 League

PDF Excel

Opponent	Rating	Result
Craig Gradden	1673	0 - 1
Andrei Tamboi	1577	0 - 1
Rob Old	1461	1 - 0

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

1437 = (4711 + 400 * (1 - 2)) / 3)