Event: Division Five

Opponent Rating Result
Leslie Chan 1464 1 - 0
Bob Hackett 1414 1 - 0
David Wilkinson 1526 ½ - ½
Szymon Dybowski 1352 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1739 = (5756 + 400 * (3 - 0)) / 4)

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