Event: 6-Board Division 2

Opponent Rating Result
Christopher J Harris 1481 ½ - ½
Keith Porteous 1630 ½ - ½
Christopher J Harris 1481 ½ - ½
Ian Flanagan 1600 0 - 1
Xiaofan Li 1734 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1425 = (7926 + 400 * (0 - 2)) / 5)

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