Event: Division 4

PDF Excel

Opponent	Rating	Result
Anthony Garrood	1758	0 - 1
Helen M Frostick	1686	1 - 0
Iain Reeve	1709	½ - ½
Pascoe Rapacci	1724	0 - 1

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

1619 = (6877 + 400 * (1 - 2)) / 4)