Event: Reading-Chess-Open

PDF Excel

Opponent	Rating	Result
Ryan Gallagher	0	1 - 0
Nathan Magee	0	0 - 1
Daniel Dilworth	1668	0 - 1
Cheuk Nam Ng	1150	0 - 1
Mayank Palav	1699	0 - 1

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

663 = (4517 + 400 * (1 - 4)) / 5)