Event: All Play All

PDF Excel

Opponent	Rating	Result
Andrew M Thompson	1205	1 - 0
John Hems	1173	1 - 0
Thomas Overthrow	1565	0 - 1
Tim Fox	1356	0 - 1
Barry Perchard	1503	0 - 1
Patrick Dillon	1659	0 - 1
Anthony Stenton	1607	0 - 1

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

1267 = (10068 + 400 * (2 - 5)) / 7)