Event: NCCA League Division 4

Opponent Rating Result
Ander Movilla Miangolarra 1599 ½ - ½
Yuming Bian 1350 0 - 1
Carl Purkiss 1552 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1500 = (4501 + 400 * (1 - 1)) / 3)

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