Event: 6-Board Division 2

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Opponent	Rating	Result
David Harrison	1384	0 - 1
Mark Schofield	1350	½ - ½
Jacob Jackson	1257	1 - 0

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

1330 = (3991 + 400 * (1 - 1)) / 3)