Event: Essex Summer Rapid Knockout

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Opponent Rating Result
Trevor D Coote 2004 1 - 0
Trevor D Coote 2004 ½ - ½
Peter Jaszkiwskyj 1965 1 - 0
Peter Jaszkiwskyj 1965 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2285 = (7938 + 400 * (3 - 0)) / 4)

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