Event: Challengers

PDF Excel

Opponent	Rating	Result
David Clifford	850	1 - 0
Reginald G Pidduck	1411	0 - 1
Nik Loginov	1394	0 - 1
Fred Cooper	1418	1 - 0
Bayley Simpson	1015	0 - 1
Steven Blay	1411	0 - 1
Fredy Reber	1175	0 - 1
Nick Burke	1175	1 - 0

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

1131 = (9849 + 400 * (3 - 5)) / 8)