Event: Division Three

PDF Excel

Opponent	Rating	Result
Mike P Maher	1692	0 - 1
Barry R Smith	1518	0 - 1
Siamak Zafarian	0	0 - 1

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

670 = (3210 + 400 * (0 - 3)) / 3)