2009

In April, Chelaru competed at the 2009 European Artistic Gymnastics Championships in Milan, Italy. She placed fourteenth in the all around final with a score of 54.500.^[3]

In October, Chelaru competed at the 2009 World Artistic Gymnastics Championships in London, United Kingdom. She placed fifteenth on vault scoring 13.562 and fifteenth on floor scoring 13.475.^[4]

2010

In April, Chelaru competed at the 2010 European Women's Artistic Gymnastics Championships Birmingham, United Kingdom. She contributed scores of 14.250 on vault and 14.20 on floor toward the Romanian team's third-place finish. In event finals, she placed fourth on vault scoring 14.062 and third on floor scoring 14.125.^[5]

In September, Chelaru competed at the Artistic Gymnastics World Cup event in Ghent, Germany. She placed second on vault scoring 13.750 and fifth on floor scoring 13.275.^[6]

Later in September, Chelaru competed at the Romanian National Championships in Resita, Romania. She placed second in the all around competition with a score of 56.700.^[7]

In October, Chelaru competed at the 2010 World Artistic Gymnastics Championships in Rotterdam, The Netherlands. She contributed scores of 14.600 on vault, 14.000 on uneven bars, and 14.466 on floor towards the Romanian team's fourth-place finish.^[8][9] In event finals, she placed seventh on vault scoring 14.066 and second on floor scoring 14.766.^[10]

2011

In March, Chelaru competed at the Artistic Gymnastics World Cup in Paris, France. She placed third on vault scoring 14.633 and second on floor scoring 14.017.^[11]

In April, Chelaru competed at the 2011 European Artistic Gymnastics Championships in Berlin, Germany. She placed fourth in the all around final with a score of 56.325 and second on floor exercise with a score of 14.475.^[12]

In October, Chelaru competed at the 2011 World Artistic Gymnastics Championships in Tokyo, Japan. She contributed scores of 14.566 on vault and 14.233 on floor toward the Romanian team's fourth-place finish.^[13] Individually, she placed eighth in the floor final with a score of 14.200.^[14]

2012

In March, Chelaru competed at the American Cup in New York City, United States. She placed fifth in the all around competition with a score of 56.100.^[15]

Later in March, Chelaru competed at the Artistic Gymnastics World Cup event in Cottbus, Germany. She placed seventh on vault with a score of 13.500^[16] and first on floor with a score of 14.375.^[17]

In April, Chelaru competed at an international meet against France in Cholet, France. She helped Romania to win the team competition and individually she placed fourth with an all around score of 55.000.^[18]

Later in April, Chelaru competed at an international meet against Germany and the United Kingdom in Ulm, Germany. She helped Romania to win the team competition and individually she placed third with a score of 54.750.^[19]

At the beginning of July, Chelaru competed at an international meet against France, Germany, and Italy in Bucharest, Romania. She helped Romania to win the team competition with scores of 14.750 on vault and 13.850 on uneven bars.^[20]