Event: Division 3

PDF Excel

Opponent	Rating	Result
Mark Gowers	1677	1 - 0
Philip Morris	1799	½ - ½
James EL Reid	1565	1 - 0
Leon Sazkissyan	1818	0 - 1
Oliver Balp	0	1 - 0
Graham Ewens	1750	0 - 1
Zebadiah Taylor	1492	1 - 0

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

1557 = (10101 + 400 * (4 - 2)) / 7)