Event: Div2

PDF Excel

Opponent	Rating	Result
Kevin J Dalley	163	½ - ½
Steve P Retout	155	0 - 1
David Hulme	151	0 - 1
Esteve Mateu Guiu	179	0 - 1
David Hulme	151	½ - ½
Antony A Clare	159	½ - ½
Alex Webster	155	0 - 1
Ranjit Nath	150	½ - ½
Frank Merren	0	½ - ½

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

-37 = (1263 + 400 * (0 - 4)) / 9)