Event: Spring OTB Division 4

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Opponent	Rating	Result
John Hennessy	1563	0 - 1
Stan J Bradley	1494	½ - ½
Alexander Burke	1265	½ - ½

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

1307 = (4322 + 400 * (0 - 1)) / 3)