Event: 6-Board Division 1

Opponent Rating Result
R Malcolm Hara 1608 0 - 1
Giles Dunn 1698 0 - 1
J Gerry Johnstone 1608 1 - 0
Shaun J Culkin 1983 ½ - ½
Joseph Catto 1690 0 - 1
Oliver MacDonald 1450 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1606 = (10037 + 400 * (2 - 3)) / 6)

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