Azerbaijan`s Mammadyarov wins first round of Vienna Open-2015
Azerbaijani grandmaster Shahriyar Mammadyarov has beaten Austrian Marcus Ragger in the first round of the Vienna Open-2015 international tournament in Austria.
The Swiss-system tournament involves 457 chess players, including 20 grandmasters.
It will feature nine rounds.
AzerTac state news agency reported
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