Event: NSDCA Division 3

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Opponent Rating Result
Adam Fields 1416 0 - 1
Martyn Stanley 1230 1 - 0
Benjamin R Shiers 1441 ½ - ½
Paul Shelley 1415 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1476 = (5502 + 400 * (2 - 1)) / 4)

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