Event: NSDCA Division 3

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Opponent Rating Result
Paul Shelley 1404 1 - 0
Peter Hiscock 1214 ½ - ½
James Coney 1508 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1375 = (4126 + 400 * (1 - 1)) / 3)

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