Event: Summer Rapid Play

PDF Excel

Opponent	Rating	Result
David Firth	1497	1 - 0
Charles James	992	1 - 0
Deven Spanswick	706	1 - 0
David Robinson	1725	0 - 1
michael Jones	1746	½ - ½
Luke Haslam	1225	1 - 0
Ahmed Haseeb	0	1 - 0
Gareth Williams	1126	1 - 0

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

1377 = (9017 + 400 * (6 - 1)) / 8)