Event: Division 4

PDF Excel

Opponent	Rating	Result
Viet Vu	1614	1 - 0
Patrick Van Ijzendoorn	1879	0 - 1
Faye Ainscow	1589	½ - ½
Alan H Palmer	1791	0 - 1
Tony B Packham	1820	0 - 1
David C Helsby	1729	1 - 0
Martin Packer	1444	1 - 0

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

1695 = (11866 + 400 * (3 - 3)) / 7)