Event: SCCU County Championship: u1850

PDF Excel

Opponent	Rating	Result
Neil J Williams	1743	0 - 1
David J White	1767	0 - 1
Nicholas J Pelling	1686	1 - 0
Jeffrey Page	1685	0 - 1
C Andrew J Costeloe	1639	½ - ½
Geoffrey L Bishop	1699	½ - ½

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

1570 = (10219 + 400 * (1 - 3)) / 6)