Event: Division 4

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Opponent	Rating	Result
Fred Biles	1394	0 - 1
Samuel Rolfe	1188	1 - 0
Adam Turley	1461	1 - 0

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

1481 = (4043 + 400 * (2 - 1)) / 3)