Event: SCL Div 1

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Opponent	Rating	Result
Erico Ferreira	1717	1 - 0
Robert Davenport	1615	1 - 0
Richard W Ursell	1826	1 - 0
Charles Oluwadare	1703	½ - ½
Richard W Ursell	1811	½ - ½
Colin B Knight	1726	½ - ½
Keith Turner	1625	½ - ½

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

1889 = (12023 + 400 * (3 - 0)) / 7)