Event: 6-Board Division 2

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Opponent Rating Result
John Scotter 1563 ½ - ½
John Scotter 1563 ½ - ½
John Scotter 1563 1 - 0
David J Hambly 1825 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1729 = (6514 + 400 * (1 - 0)) / 4)

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