Event: NSDCA Division 3

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Opponent Rating Result
Pawel Stanny 1537 ½ - ½
Jay Holt 1000 0 - 1
S Ali Arshad 1231 1 - 0
Philip Grocott 1348 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1379 = (5116 + 400 * (2 - 1)) / 4)

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