Event: OTB Club Challenge Standard

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Opponent Rating Result
Davide Segat 0 ½ - ½
Pete Meadows 1745 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

673 = (1745 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Tu Senan 1474 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1074 = (1474 + 400 * (0 - 1)) / 1)