Event: Division Five

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Opponent Rating Result
Phillip Parnell 1000 0 - 1
Des J Green 1142 ½ - ½
Reg Jones 1331 0 - 1
Joshua Sailsbury 1300 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

893 = (4773 + 400 * (0 - 3)) / 4)

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