Event: SCCU County Championship: Open

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Opponent	Rating	Result
Feliks J Kwiatkowski	2260	1 - 0
Richard A Bates	2364	1 - 0
Graeme N Buckley	2389	½ - ½
Graeme N Buckley	2389	0 - 1
Luke E Rutherford	2245	0 - 1
Marco Gallana	2340	1 - 0

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

2398 = (13987 + 400 * (3 - 2)) / 6)