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Deysi Cori

Deysi Cori Tello, Erts 2010
Full name Deysi Estela Cori Tello
Country Peru
Born July 2, 1993
Lima, Peru
Title Woman Grandmaster
Peak rating 2444 (February 2015)

Deysi Estela Cori Tello (born July 2, 1993 in Lima) is a Peruvian chess player who holds the title of Woman Grandmaster and has been the top ranked female player in Peru since January 2008. She won the World Under-16 Girls Championship in 2009 and the World Junior Girls Championship in 2011.

Cori has been playing on top board for Peru at the Women's Chess Olympiads since 2010.


Cori won the Pan American Under-10 Girls Championship in 2003 in Bogotà. In the following year, she won the Pan American Under-12 Girls Championship.

She made her debut in the national women's team in 2004, when she was eleven, at the 36th Chess Olympiad. She played on the reserve board and scored 5 points out of 7 (four wins, two draws, one loss).

In 2007, she won the Pan American Under-14 Girls Championship and finished fourth in the same division of the World Youth Chess Championship.

In June 2008, Cori took gold in the Pan American Junior (U20) Girls Championship. In the following month, she won the Pan American Under-16 Girls Championship and thanks to this result she was awarded the title of Woman International Master. At the end of July, Cori finished first in the U15 girls division of the World School Chess Championships in Singapore.

She finished equal first with Martha Fierro in the Women's American Continental Championship in September 2009, placing second on tiebreak. In November 2009, Cori tied for first place at the World Junior Girls Championship and finished runner-up on countback. Later that month, she won the World U-16 Girls Championship in Antalya, Turkey, winning nine of her first ten matches, and clinched the title with a round to spare. Her younger brother Jorge Cori also won at the World Youth Chess Championship by taking the U14 boys division.

In November 2010, Cori took silver in the World U18 Girls Championship in Porto Carras, Greece. She competed in the Women's World Chess Championship 2010, for which she qualified by coming second in the 2009 American Continental Women's Championship, and was knocked out by Mariya Muzychuk in the first round.

Cori won the American Continental Women's Championnship in June 2011. In the following month, she won the Pan American U18 Girls Championship. In August 2011, she won the World U-20 Girls Championship in Chennai, India and this achievement earned her the qualification for the Women's World Chess Championship 2012. In the latter she was eliminated in the first round by the eventual winner, Anna Ushenina.

In May 2013, Cori finished equal third along her brother and Argentine grandmaster Diego Flores in the American Continental Championship, placing fifth on tiebreak, and thus qualified for the Chess World Cup 2013. In the latter she lost to Hikaru Nakamura in the first round and thus was eliminated from the competition.

In December 2014, she came equal second (third on countback) in the 5th Latin American Cup scoring 7/9, a point behind the winner, Cuban grandmaster Lázaro Bruzón.

Cori took part in the Women's World Chess Championship 2015, where she was knocked out in the first round by Lei Tingjie. In May 2015, she placed third in the Zonal 2.4 championship, which qualified the top two players for the Chess World Cup 2015. She earned a spot in the latter when her brother Jorge, who came first in the Zonal 2.4, renounced his. At the World Cup she lost to Vladimir Kramnik in the first round.