Event: A Division

PDF Excel

Opponent	Rating	Result
Daniel T Lee	2130	½ - ½
Andy Laurence Coe	1781	1 - 0
Aitor Garcia-Ruiz	2059	½ - ½
Ondrej Chalupa	1829	1 - 0
David Kierman	1750	1 - 0
Daniel C Sheppard	1833	0 - 1
Liam F Rabbitte	1950	0 - 1
Joao Rita	2035	0 - 1
Nathan P Butterworth	1891	½ - ½

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

1918 = (17258 + 400 * (3 - 3)) / 9)