Event: OTB Club Championship

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Opponent	Rating	Result
Aaryan Patnam	1480	1 - 0
Erik De Bok	1640	1 - 0
Peter A Nickals	1705	0 - 1
Michael GA Wilson	1678	½ - ½
David J Rawlings	1680	1 - 0
Ashwin Anjulan	1502	1 - 0
Ashley Freeman	1966	0 - 1

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

1779 = (11651 + 400 * (4 - 2)) / 7)