Event: Division Two

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Opponent Rating Result
Okwose Marc Obi 1890 0 - 1
Christopher D Lewis 1929 ½ - ½
John Staniforth 1836 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1752 = (5655 + 400 * (0 - 1)) / 3)

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