Event: John Newsome Cup: 1200 to 1500

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Opponent	Rating	Result
John Hill	1482	1 - 0
Matthew Leonard	1752	1 - 0
Ben Robinson	1376	0 - 1

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

1670 = (4610 + 400 * (2 - 1)) / 3)