Alexandr Fier, Vienna 2013
|Full name||Alexandr Hilário Takeda Sakai dos Santos Fier|
|Born|| 11 March 1988
|Peak rating||2653 (November 2009)|
Alexandr Hilário Takeda Sakai dos Santos Fier (born 11 March 1988, in Joinville) is a Brazilian chess grandmaster.
Fier won several Pan American Youth Chess Championships: under-10 in 1996 and 1997, U12 in 2000, U14 in 2002 and U18 in 2005. He also won the South American Junior Championship in 2006, 2008 and 2009. Fier won the Brazilian Chess Championship in 2005. In 2006 he won the 65 Anos da Federação tournament in São Paulo.
Fier won the Open of Sants, Hostafrancs & La Bordeta in Barcelona in 2009 and 2014. He took part in the Chess World Cup 2011, where he was eliminated in the second round by Alexander Morozevich. In the same event in 2013, Fier defeated Radoslaw Wojtaszek in round one to advance to round two, in which he lost to B. Adhiban and thus was eliminated from the competition. In 2015 he lost in the first round to Julio Granda Zuniga.