Event: B&DCL Div 4

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Opponent	Rating	Result
Andre F Mills	1323	0 - 1
Alex Darke	1430	½ - ½
Jan Van Heeckeren	1413	1 - 0
Alex Darke	1430	1 - 0
Anton Vann	1527	0 - 1
Greg C Webb	1389	½ - ½
Finn Schell	1514	0 - 1
Dan Ursell	1121	1 - 0

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

1393 = (11147 + 400 * (3 - 3)) / 8)