Event: Summer League Section 2

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Opponent	Rating	Result
F Hal Jorna	1630	1 - 0
Joe Varley	1830	0 - 1
Maksym Larchikov	1750	½ - ½
Nick Colley	1413	½ - ½
Chris J Matthews	1822	½ - ½
John G Cooper	2267	0 - 1
Darren Tomlinson	1200	1 - 0
Ian Scott	1540	½ - ½

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

1682 = (13452 + 400 * (2 - 2)) / 8)