Event: Division Two

PDF Excel

Opponent	Rating	Result
David A Cutmore	180	½ - ½
Jagdeep Dhemrait	174	1 - 0
David Iwi	147	1 - 0

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

434 = (501 + 400 * (2 - 0)) / 3)