Event: Division 3

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Opponent	Rating	Result
Catherine Hiley	1638	1 - 0
Ray Sawyer	1563	1 - 0
Gary Haycock	1413	1 - 0

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

1938 = (4614 + 400 * (3 - 0)) / 3)