Event: OTB Club Championship

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Opponent Rating Result
Philip Staniland 1846 0 - 1
A Fin O'Regan 1096 1 - 0
Jay Sharman 1611 0 - 1
Joseph Rosenberg 1569 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1531 = (6122 + 400 * (2 - 2)) / 4)

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