Event: SCCA Division 1 Rapidplay Cup

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Opponent Rating Result
John WF McAllister 1751 0 - 1
John WF McAllister 1751 1 - 0
Angus Irving 1747 ½ - ½
Angus Irving 1747 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1749 = (6996 + 400 * (1 - 1)) / 4)

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