Event: LONGBRIDGE GREEN 45/30

PDF Excel

Opponent	Rating	Result
Steve Crees	1726
Robert Davies	1744
Ian M Truscott	1617	½ - ½
Gavin Cartwright	1849
Steve Crees	1726
Robert Davies	1744
Ian M Truscott	1618
Gavin Cartwright	1846

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

1617 = (1617 + 400 * (0 - 0)) / 1)