Event: Essex OL Rapid Open Championship

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Opponent Rating Result
Tom A Barton 1855 1 - 0
Tom A Barton 1855 1 - 0
Ian D Hunnable 2009 0 - 1
Ian D Hunnable 2009 0 - 1
James Evans 1916 0 - 1
James Evans 1916 0 - 1
Pete Meadows 1711 0 - 1
Pete Meadows 1711 0 - 1
Tu Senan 1817 1 - 0
Tu Senan 1817 0 - 1
Felix Todd 1768 1 - 0
Felix Todd 1768 0 - 1
David Smith 1677 ½ - ½
David Smith 1677 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1679 = (25506 + 400 * (4 - 9)) / 14)

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