Event: Division 2

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Opponent	Rating	Result
Ismael Zuberi	0	1 - 0
Ben Radford	1748	½ - ½
Chris J Edwards	1658	1 - 0

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

1402 = (3406 + 400 * (2 - 0)) / 3)