Event: Division 4

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Opponent Rating Result
Albert Chacko 1144 1 - 0
Darren M Chell 940 1 - 0
Maurizio Baravalle 1115 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1333 = (3199 + 400 * (2 - 0)) / 3)

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