Event: 4-Board Division 1

Opponent Rating Result
John E Sugden 1533 1 - 0
Keith Thompson 1930 ½ - ½
Edward S Oxley 1758 1 - 0
Edward S Oxley 1758 ½ - ½
Keith Thompson 1930 ½ - ½
John E Sugden 1533 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1940 = (10442 + 400 * (3 - 0)) / 6)

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