Event: Division 5

PDF Excel

Opponent	Rating	Result
Jonathan G Young	1589	0 - 1
Andrew Birch	1498	0 - 1
James Barter	1562	0 - 1
W Gareth Ward	1405	½ - ½

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

1214 = (6054 + 400 * (0 - 3)) / 4)