Event: NSDCA Division 4

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Opponent Rating Result
Finley Thomas 1249 1 - 0
Michael Keenan 1326 0 - 1
Philip Grocott 1348 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1308 = (3923 + 400 * (1 - 1)) / 3)

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