Event: Lewisham Club Championship

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Opponent Rating Result
Gustavo Cilleruelo 1685 1 - 0
Andrew D Craig 1806 1 - 0
Andrew JW Dovey 1647 1 - 0
James Tapp 1922 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2165 = (7060 + 400 * (4 - 0)) / 4)

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