Event: Durham League Division B

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Opponent Rating Result
Thomas Richardson 0 1 - 0
Nathan Ekanem 2027 0 - 1
Michael J Creaney 1650 ½ - ½
Stephen Carter 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1019 = (3677 + 400 * (2 - 1)) / 4)

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