Event: Division 3 Rapidplay Cup

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Opponent Rating Result
Adrian Hall 1427 0 - 1
Adrian Hall 1427 ½ - ½
Jemima Bostock 1000 1 - 0
Jemima Bostock 1000 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1314 = (4854 + 400 * (2 - 1)) / 4)

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