Event: Division 3

Opponent Rating Result
Joshua Sawyer 1519 ½ - ½
Michael WA Hoare 1650 1 - 0
Andrew E Taylor 1703 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1757 = (4872 + 400 * (1 - 0)) / 3)

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