Event: Online Division 2

PDF Excel

Opponent	Rating	Result
Robert Green	0	0 - 1
Roger R Brown	1680	0 - 1
Andrew T Jones	1400	1 - 0
Norman P O'Connor	1582	1 - 0
Norman P O'Connor	1562	½ - ½
Malcolm Price	1388	½ - ½
Richard G Thompson	1560	0 - 1

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

1253 = (9172 + 400 * (2 - 3)) / 7)