Event: Division Two

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Opponent	Rating	Result
Peter L Loach	1652	0 - 1
Roy A Lawrence	1825	1 - 0
Stephen R Wilcox	1652	½ - ½

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

1710 = (5129 + 400 * (1 - 1)) / 3)