Event: Senior School House Chess Competition

PDF Excel

Opponent	Rating	Result
Ayaan Quraishi	1202	0 - 1
James Bowden	1397	0 - 1
Zuhayr Nabil	0	0 - 1

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

466 = (2599 + 400 * (0 - 3)) / 3)