Event: Hepolite (Rapidplay)

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Opponent Rating Result
Keith Marsh 1588 0 - 1
Keith Marsh 1588 0 - 1
John E Parr 1447 1 - 0
John E Parr 1447 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1518 = (6070 + 400 * (2 - 2)) / 4)

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