Event: Division 3

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Opponent	Rating	Result
Stephen L Wedlock	1880	½ - ½
Tye A Byram	1761	½ - ½
Oliver King	1200	1 - 0

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

1747 = (4841 + 400 * (1 - 0)) / 3)