There are how many grand slam tournaments ?
Shanghai , China – Shanghai Grand Slam presented by Jinshan Xinchen , April 30 – May 6 , 2012 Beijing , China – Beijing Grand Slam , 7–13 May , 2012 Moscow , Russia – Moscow Grand Slam , 6–12 June , 2012 Rome , Italy – Rome Grand Slam , 12–17 June , 2012 Gstaad , Switzerland – 1 to 1 Energy Grand Slam , 2–8 July , 2012 Berlin , Germany – Smart Grand Slam Berlin 2012 , 10–15 July , 2012 Klagenfurt , Austria – A1 presented by Volksbank , 16–22 July , 2012 Stare Jabłonki , Poland – Mazury Orlen Grand Slam , 13–19 August , 2012