• 1st Inter school and inter collegiate tournament held on 2nd December 2017 at Bandra under the aegis of MSDCA
  • 1st Deltin International rapid Rating tournament at goa on 28th Feb-1st March
  • Chanakya Chess Club (C.C.C), affiliated to Bombay Chess Association (BCA) organized an Inter-School Chess Championship “Mega Chess Festival” on 10th December 2011 to celebrate Vishwanathan Anand’s birthday. This was the 3rd edition of “Mega Chess Festival”. BCA conducted the event separately for Boys & Girls in the age groups of U-6, 8, 10, 12 & 16
  • National Sport Day Celebration – Major Dhyan Chand Inter School Chess Championship – Jointly Organized by Chanakya Chess Club (CCC) and District Sports Office Mumbai Suburban (DSO) on 4th September 2011
  • MAHARASHTRA STATE U – 7 BOYS & GIRLS SELECTION CHESS TOURNAMENT 2011
  • Mega Chess Festival 2010” on 18th Dec, 2010 hosted by Oberoi International School
  • KID’s DAY OUT to celebrate “Children’s Day” on 14th NOV. 2010
  • Inter School IGCSE & IB Chess Championship, 7th OCT 2010 organized jointly by I.S.S.L and C.C.C at Mumbai Cricket Association (MCA)
  • 4th Annual IGCSE,CBSE,ICSE, Inter school chess championship Organized jointly by Rustomjee Int. School ,Dahisar & C.C.C on 18th & 19th Sept 2010
  • “Mega Chess Festival 2009″ in Dec, 2009
  • Kids Day Out” on 14th Nov, 2009
  • First Maharashtra IGCSE,CBSE,ICSE, Inter school chess championship Organized jointly by Rustomjee Int. School ,Dahisar & C.C.C in 2007
  • 2nd Maharashtra level IGCSE, CBSE, ICSE, Inter school Chess Championship organized jointly by Rustomjee Int. School, Dahisar & C.C.C in 2008
  • 3rd Inter school (IGCSE, CBSE, ICSE) Chess Championship organized jointly by Rustomjee Int. School, Dahisar & C.C.C in 2009
  • First ever chess championship to mark International Women’s Day at St. Stanislaus, Bandra in 2008.The second edition was conducted at Saisa club at Bandra in 2009
  • Monsoon Children Chess Festival: Bandra Hindu Association 2003
  • Monsoon Children Chess Festival: Hansraj Morarji Pub School 2004 & 2005
  • Diwali Chess Festival: Hansraj Morarji Public School 2005
  • Inter School Chess: Billabong High (Goregaon) 2005
  • Open Rapid: Balkan-ji-bari Santacruz 2005
  • Monsoon Children Chess Festival: Khar Education Society’s Mumbadevi Vidya Mandir 2006
  • Diwali Chess Festival: Goregaon Sports Club 2006
  • Mandapeshwar Civic Federation (MCF) Borivali: Rapid round 2006
  • Khar Gymkhana (Twice): Open Rapid & Inter school Chess Championship2006
  • Chess Championship: C.C.C & Rotary club of Mumbai, Khar, Dec 2006
  • Maharashtra State U-7 Selection: Gokuldam School Goregaon 2006
  • Maharashtra State U-7 Selection: Andheri Sports Complex 2007
  • Mega Chess Festival, 2010, hosted by Oberoi International School was highly appreciated as a venue for its amazing Hall and the Cafeteria of a World class level which was used as a waiting area also
  • Mega Chess Festival 2009 attracted a huge crowd of 700 participants. World Junior Girls Champion Ms. Soumya Swaminathan was the Chief Guest. She also played Simultaneous versus 25 players. The event was sponsored by Podar Enterprise. A Total Bounty of cash prize of 1.60 lacs was the highest Prize Fund in India for a local event