Event: Hepolite (Rapidplay)

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Opponent Rating Result
Mark W Rogerson 2037 0 - 1
Mark W Rogerson 2037 0 - 1
Graham N Redmond 1738 ½ - ½
Graham N Redmond 1738 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1588 = (7550 + 400 * (0 - 3)) / 4)

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