Event: OTB Club Championship

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Opponent Rating Result
Ryan Colclough 1714 1 - 0
Mark RA Murrell 1857 0 - 1
Jay Sharman 1617 ½ - ½
Davide Segat 1473 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1665 = (6661 + 400 * (1 - 1)) / 4)

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