Event: Cumnor Players Cup

PDF Excel

Opponent	Rating	Result
Mark Sayers	1859
Gareth Stevens	1789
Robin Carr	1544
Liam Glenn	1791
Andrey Tishkin	1656	0 - 1
Alexandru Ionescu	1733
Nalin Kadodwala	2032
Nigel J Moyse	2044
John F Place	1789

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

1256 = (1656 + 400 * (0 - 1)) / 1)