Event: 4-Board Division 1

Opponent Rating Result
Phil Bawden 1833 1 - 0
Edward S Oxley 1758 0(def) - 1
Bruce R Oliver 1690 1 - 0
Phil Shaw 1225 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1983 = (4748 + 400 * (3 - 0)) / 3)

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