Event: SCCU County Championship: u2050

PDF Excel

Opponent	Rating	Result
Rupert Marsden	1823	0 - 1
David S Tucker	1979	½ - ½
Jonathan Rubeck	1965	1 - 0
Nevil Chan	1999	½ - ½

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

1942 = (7766 + 400 * (1 - 1)) / 4)