Event: 4-Board Division 1

Opponent Rating Result
Edward Staples 1300 0 - 1
Steve J Thrower 1501 ½ - ½
Graham Lee 1597 1 - 0
Dan Malbon 1400 0 - 1
Bruce R Oliver 1618 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1323 = (7416 + 400 * (1 - 3)) / 5)

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