Event: Division 1

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Opponent	Rating	Result
Chris B Baker	1971	½ - ½
Peter A Burgoyne	1656	½ - ½
Neil T Davies	1902	½ - ½

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

1843 = (5529 + 400 * (0 - 0)) / 3)