Jens Rahnfeld (GER) has participated Neckar Open 2013 and scored excellent 5 points ont of 9 games, earning also new 107 ELO points! For more informations follow next links: http://ratings.fide.com/tournament_report.phtml?event16=78704&t=0 http://ratings.fide.com/individual_calculations.phtml?idnumber=12939617&rating_period=2013-05-01&t=0