With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tesla, Inc. focuses on electric cars.
text_B: SK Rockaden is the biggest chess club in Sweden , founded 1921 at Sodermalm in central Stockholm , where the club spent most of its first forty years .. chess club. chess club. Sweden. Sweden. Sodermalm. Sodermalm. Stockholm. Stockholm. In 1961 the club moved to the southern suburb Hogdalen and in 1993 to its present location in the southwestern suburb Hagerstensasen .. Hogdalen. Hogdalen. Hagerstensasen. Hagerstensasen. Rockaden currently plays in the Swedish national premier league , Elitserien i schack , and have won Elitserien and its predecessor Lag-SM -LRB- National Team Championship -RRB- 22 times since its inception in 1951  : 1957 -- 1959 , 1980 , 1982 , 1984 -- 1986 , 1992 -- 1998 , 2001 , 2004 , 2005 , 2008 , 2009 2014. and 2016 .. Rockaden has represented Sweden 15 times in the European Club Cup , arranged by the European Chess Union  : 1980 / 81 , 1983 / 84 , 1985 / 86 , 1993 , 1994 , 1995 , 1996 , 1997 , 1998 , 2000 , 2001 , 2005 , 2008 , 2014 and 2016 .. Sweden. Sweden. European Chess Union. European Chess Union. Rockaden reached the semifinal in 1986 and the quarter final in 1993 .. In common with many leading chess teams Rockaden has been represented by top professional chess players in vital matches .. For example , when the club won the 2004 championship they included `` Super GM '' Vassily Ivanchuk , GM Peter Heine Nielsen , GM Ulf Andersson and GM Lars Karlsson .. Super GM. Grandmaster ( chess )#Super-grandmasters. Vassily Ivanchuk. Vassily Ivanchuk. Peter Heine Nielsen. Peter Heine Nielsen. Ulf Andersson. Ulf Andersson. Lars Karlsson. Lars Karlsson ( chess player ). When they represented Sweden in the European Club Cup in 2005 their team consisted of one GM , five International Masters , and a FIDE Master .. Sweden. Sweden. FIDE Master. FIDE Master. Since the beginning of the 1980s SK Rockaden has been Sweden 's leading club for junior players .. Sweden. Sweden. The club has won the National Junior Team Championships Juniorallsvenskan -LRB- for players up to 20 years old -RRB- 15 times since its inception in 1987  : 1990 , 1992 -- 1995 , 1997 -- 1998 , 2005-2010 , 2013 and 2016 .. The club has also won the National Cadet Team Championships Kadettallsvenskan -LRB- for players up to 16 years old -RRB- 20 times since its inception in 1987  : 1987-1990 , 1992 , 1994 -- 1998 , 2000 , 2003-2008 , 2012-2013 and 2016 .. Rockaden currently got approximately 1500 members .
not_related.