Event: Durham League Division B

PDF Excel

Opponent	Rating	Result
AD Tony Shires	1566	½ - ½
Barry Edgar	1575	½ - ½
Chris Clynes	1608	0 - 1
Jack Roberts	0	1 - 0
Daniel Williams	1602	1 - 0

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

1350 = (6351 + 400 * (2 - 1)) / 5)