Event: U1800 Cup

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Opponent Rating Result
Jim Buis 1788 ½ - ½
Robert L Jones 1765 1 - 0
Simon Webber 1608 ½ - ½
Timothy J Wesson 1795 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1939 = (6956 + 400 * (2 - 0)) / 4)

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