Event: Harmsworth Cup

PDF Excel

Opponent	Rating	Result
Colin G Gregory	1529	1 - 0
Clive J Le Baigue	1477	0 - 1
Leon A Garfield	1377	1 - 0
Nico Roestorff	1485	1 - 0
David Sawyer	1407	1 - 0
James Cole	1636	½ - ½
Harry J Sharples	1719	1 - 0

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

1747 = (10630 + 400 * (5 - 1)) / 7)