Event: 1st Cornwall Online Summer Rapidplay

PDF Excel

Opponent	Rating	Result
Philip May	1473	1 - 0
Trevor Palmer	0	1 - 0
John DM Nunn	2562	0 - 1
John James	1254	1 - 0
Beatrice H Steele	1671	1 - 0

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

1632 = (6960 + 400 * (4 - 1)) / 5)