Event: Division 2

PDF Excel

Opponent	Rating	Result
Simon Turner	1791	0 - 1
Julian H Summerfield	1824	0 - 1
Chris John Evans	1848	0 - 1
Robert J Purcell	1721	0 - 1
Hector Smith	1667	1 - 0
David Riley	1652	½ - ½
Arnold Peace	1656	½ - ½

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

1566 = (12159 + 400 * (1 - 4)) / 7)