Event: Basildon Club Championship

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Opponent	Rating	Result
Arunas Gedvilas	0	1 - 0
Peter R Laundy	0	1 - 0
Mandar Mane	0	1 - 0
Robbie Staff	0	1 - 0
V Radu Bara	0	1 - 0

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

400 = (0 + 400 * (5 - 0)) / 5)