Event: 6-Board Division 2

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Opponent Rating Result
Nick Whetton 1573 0 - 1
Michael A Pollard 1622 1 - 0
Edward S Oxley 1750 ½ - ½
John Scotter 1476 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1605 = (6421 + 400 * (1 - 1)) / 4)

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