Event: NCCA League Division 4

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Opponent Rating Result
James Woodburn 1408 0 - 1
Yuming Bian 1623 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1316 = (3031 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Yuming Bian 1608 0 - 1
Conner Reynolds 1450 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1529 = (3058 + 400 * (1 - 1)) / 2)