Event: OTB Club Challenge Standard

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Opponent Rating Result
Shantanu Naravane 1000 0 - 1
Peter A Nickals 1739 0 - 1
Alfie Green 1500 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1146 = (4239 + 400 * (0 - 2)) / 3)

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