Event: 1st Cornwall Online Summer Rapidplay

PDF Excel

Opponent	Rating	Result
John DM Nunn	2562	0 - 1
John James	1254	0 - 1
Philip May	1473	1 - 0
Beatrice H Steele	1671	0 - 1
Hugh Brown	1303	1 - 0

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

1573 = (8263 + 400 * (2 - 3)) / 5)