Event: 4-Board Division 1

Opponent Rating Result
John E Sugden 1533 1 - 0
Giles Dunn 1698 0 - 1
Bruce R Oliver 1690 1 - 0
Andrew Reynolds 1255 1 - 0
Richard O Callis 1690 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1813 = (7866 + 400 * (4 - 1)) / 5)

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