Event: League Division 2

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Opponent	Rating	Result
Richard Finney	1576	1 - 0
Hugh Thornton	1593	1 - 0
Jim R Postill	1410	1 - 0

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

1926 = (4579 + 400 * (3 - 0)) / 3)