Event: Div 2 - Weston Trophy

PDF Excel

Opponent	Rating	Result
Farshad Ai	2013	0 - 1
W (Bill) Ward	1701	1 - 0
Paul Fletcher	1961	0 - 1
John A Clark	1771	0 - 1
Jacob O'Brien	1703	½ - ½
Oliver Brennan	1795	½ - ½
Isaac Sargent	0	1 - 0

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

1506 = (10944 + 400 * (2 - 3)) / 7)