Background
Her mother is Croatian, her father is German.
Her mother is Croatian, her father is German.
She lives in Freiburg. Her chess coach was Ognjen Cvitan. She earned her third and final Woman Grandmaster norm in the 2007 Trieste Open.
Stock won the World Under-10 Girls Championship in 2002 and the European U12 Girls Championship in 2004. In 2011, she and her father Michael generated controversy by using false names to win the Hamilton Rookies Shield, an amateur tournament in Hamilton, New Zealand, and compete in other tournaments in the Australian circuit.