Event: 6th Somerset New Year Intermediate

PDF Excel

Opponent	Rating	Result
Tiiu Loog	1671	0 - 1
Huw Jones	1728	½ - ½
Stephen Williams	1626	1 - 0
Nathan Cave	1589	0 - 1
Ian P Blencowe	1614	1 - 0

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

1646 = (8228 + 400 * (2 - 2)) / 5)