Event: John Davis 6200 League

PDF Excel

Opponent	Rating	Result
C Phillip Fisher	1555	1 - 0
Ben Graham	1570	0 - 1
Andrei Tamboi	1577	0 - 1

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

1434 = (4702 + 400 * (1 - 2)) / 3)