Event: Div1

PDF Excel

Opponent	Rating	Result
Derek A Jarvis	178	0 - 1
David Latham	181	½ - ½
Dragoljub Sudar	163	0 - 1
David Smith	151	½ - ½
Maurice J Hill	147	½ - ½
Mike Alcock	163	0 - 1
Robert H Willoughby	137	1 - 0
Alex Webster	160	0 - 1
Steve J Gibbs	153	0 - 1

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

-19 = (1433 + 400 * (1 - 5)) / 9)