Event: Division 3

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Opponent	Rating	Result
Daniel Finch	1274	1 - 0
Samuel Kerruish	1495	1 - 0
Raf Calumpiano	1313	½ - ½
Jake Williamson	1236	0 - 1
Michael Duerinckx	1050	1 - 0
George Robinson	1390	1 - 0
Nathan Weersing	1508	½ - ½
Ray Firman	1144	1 - 0

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

1501 = (10410 + 400 * (5 - 1)) / 8)