Event: Division 2

Opponent Rating Result
John B Hall 1526 ½ - ½
John Eve 1685 1 - 0
Neil Staples 1823 1 - 0
Garry Evans 1640 1 - 0
Barry Kocan 1607 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1976 = (8281 + 400 * (4 - 0)) / 5)

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