Event: OTB Club Championship

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Opponent Rating Result
Paul Read 1270 1 - 0
Philip Staniland 1879 1 - 0
Terry D Whitton 1946 0 - 1
Steven JL Rix 2019 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1879 = (7114 + 400 * (2 - 1)) / 4)

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