Event: Division 1

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Opponent	Rating	Result
Graham R Iwi	1965	½ - ½
Patrick Flexman	1772	1 - 0
Patrick Flores	1945	1 - 0

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

2161 = (5682 + 400 * (2 - 0)) / 3)