Event: Division 5

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Opponent	Rating	Result
Jonathan G Young	1589	0 - 1
John Bickley	1257	0 - 1
Alan G Bice	1548	1 - 0

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

1331 = (4394 + 400 * (1 - 2)) / 3)