Event: BCL Division 1

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Opponent	Rating	Result
Robert Whiteside	1906	0 - 1
Brian J Valentine	1872	½ - ½
Paul F Habershon	1957	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1645 = (5735 + 400 * (0 - 2)) / 3)