Kouchak performed at the Galle Literary Festival[2] 2012 with Tom Stoppard and in the same year gave a piano recital at the opening of the London Chess Classic.

This piece was recorded with Julian Lloyd Webber on his album Cello Moods and presented by Olympic ice skater Yuka Sato in 1999.

[12] Jason Kouchak published a music homage to Carlsen and Caruana on the eve of the World Chess Championship match 2018 entitled Victory Moves.

[13][14] In June 2019, at the Norway Chess closing ceremony, Kouchak played Edvard Grieg's Piano Concerto in A Minor and the world premier of his own composition Queen of the Knight.

This performance was based on Philidor's Princess of Norway and Mozart's Queen of the Night aria reflecting the fusion of classical chess with blitz Armageddon that characterised the tournament.

[16] In spring 2020, Kouchak created an astronomy and music piece to mark the Royal Astronomical Society's 2020 bicentenary and the 60th anniversary of Yuri Gagarin's historic space flight.

[22] In September 2024, Jason Kouchak performed his chess-themed song "Royal Game" at the grand opening of the 45th FIDE Chess Olympiad in Budapest, Hungary for its 100 year anniversary.

[29][30] Kouchak founded the Tsubasa Children's Choir in 2011 which opened the Matsuri Festival and performed Jupiter from Holst's Planets suite in the Queen's Jubilee year 2012 at Trafalgar Square, London.