Event: Summer Rapidplay Major

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Opponent	Rating	Result
Mick Tait	1615	½ - ½
Stanislaw Wojtas	1691	0 - 1
Peter FK Evans	1557	1 - 0
Emmet Clarke	1577
Jake Hubbard	1579	1 - 0
Kenneth J McNulty	1587	1 - 0
Jake Hubbard	1687	0 - 1
Jake Hubbard	1687	0 - 1

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

1629 = (11403 + 400 * (3 - 3)) / 7)