Event: Division Two

PDF Excel

Opponent	Rating	Result
Petr Limonov	158	0 - 1
Joao Santos	169	0 - 1
Geoffrey L Bishop	143	½ - ½
Rishi Patel	162	0 - 1

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

-142 = (632 + 400 * (0 - 3)) / 4)