Event: SCL Div 5

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Opponent	Rating	Result
Theo Horne	1481	0 - 1
Liviu Leonov	0	1 - 0
Daniel Phillips	1413	½ - ½
Peter A Beldaus	1382	0 - 1
John Pellegrini	1291	0 - 1
Shwetal Bhatt	1310	0 - 1
Mike Davis	1134	1 - 0
Ed Tyrie	1326	0 - 1

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

1017 = (9337 + 400 * (2 - 5)) / 8)