Zahar Efimenko
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Zahar Oleksandrovych Efimenko is a Ukrainian chess grandmaster. He was a member of the gold medal-winning Ukrainian team at the 2010 Chess Olympiad. Efimenko competed in the FIDE World Cup in 2005, 20
Zahar Efimenko 2013
Michael Roiz
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Michael Roiz is an Israeli chess Grandmaster.
Zahar Efimenko
…in the Gibraltar Chess Festival. He became champion of Ukraine in 2006. In 2007, he tied for 1st–6th with Vitali Golod, Mateusz Bartel, Yuri Yakovich, Michael Roiz and Mikhail Kobalia in the 16th Monarch Assurance Isle of Man International tournament. In May 2010, he tied for 1st–2nd with Victor Bologan in the…
Roiz at the Israeli Championship 2008 finals, Haifa, December 2008