Event: D&DCL Div 2

PDF Excel

Opponent	Rating	Result
David Williams	1832	0 - 1
Richard P Temple	1583	1 - 0
Paul Kelman	1596	½ - ½
Stuart Marshall	1726	½ - ½

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

1684 = (6737 + 400 * (1 - 1)) / 4)