Event: Ringwood Rapidplay Intermediate

PDF Excel

Opponent	Rating	Result
Paul T Errington	1611	0 - 1
Ojas Dhall	1224	0 - 1
Charles Andreas Charalambous	1417	0 - 1
Rosamund Hale	1309	0 - 1
Eduard Achirecesei	0	1 - 0
Simon Gates	1269	½ - ½

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

938 = (6830 + 400 * (1 - 4)) / 6)