Event: F Division

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Opponent	Rating	Result
Leo Cheung	1404	1 - 0
Lewis Sheehy	1438	½ - ½
John F Walton	1422	0 - 1
Tim Goddard	1410	1 - 0
Yin Chu	1448	½ - ½
Ashton Morrissey	1348	0 - 1
Raul Varga	1400	1 - 0
John F Walton	1422	1 - 0

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

1512 = (11292 + 400 * (4 - 2)) / 8)