German Grandmaster (2006). Kunin was born in Russia and he immigrated to Germany in 2001. Russia U10 Champion, vice German champion in 2006.
Best results: Russian U16 Championship 1996, 1st-3rd; Staufer Open 2002, 1st; Griesheim Testa GM 2004, 2nd; Moscow International GM 2004, 2nd-3rd; Pripis Memorial 2005, 1st-2nd; Marburg 2006, 1st; Nuremberg 2007, 1st; Riedopen (GER) 2007, 1st; Bad Wiessee 2009, 1-3rd; Schwarzacher Open 2010, 1st; Karl-Mala-Gedenkturnier 2011, 1-5th; Swartzacher Open 2011, 1st; Untergrombach Open 2016, 1st; Staufer Open 2017, 1-7th; Zurich Xmas 2017, 1st.
Peak rating: 2595 in 2016.