Event: BCL Division 2

Opponent Rating Result
Peter S Gill 1700 ½ - ½
Luke Singleton 1848 ½ - ½
John E McKeon 1582 ½ - ½
George Griffiths 1455 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1746 = (6585 + 400 * (1 - 0)) / 4)

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