Event: Division 1

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Opponent	Rating	Result
Jonas Zurba	1727	1 - 0
Steven Riley	2046	0 - 1
Jonas Zurba	1794	1 - 0
Graham R Iwi	1994	½ - ½
Mark Morris	1995	½ - ½
Steven Riley	2051	½ - ½
Michael T Harris	2023	1 - 0
Nigel K Hosken	2069	½ - ½

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

2062 = (15699 + 400 * (3 - 1)) / 8)