Event: Summer League Section 2

PDF Excel

Opponent	Rating	Result
Ronald Botham	1050	1 - 0
John Thompson	1495	0 - 1
Graham Lee	1593	½ - ½
Sebastian Dworniak	1125	0 - 1
Sean Smith	1150	0 - 1
John Burton	1263	0 - 1
Edward Stamp	1444	1 - 0

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

1189 = (9120 + 400 * (2 - 4)) / 7)