Event: Jeremey Burnett Plate

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Opponent	Rating	Result
Andrew Austen	1060	1 - 0
David Smith	1465	1 - 0
Gary Leighton	1566	½ - ½

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

1630 = (4091 + 400 * (2 - 0)) / 3)