Retschitzki conducted research into the expertise in Awélé players in Ivory Coast in 1984, where he organized an Awélé tournaments in Kpouébo. He tried to identify the processes that differentiate expert from non-expert players focusing on the decision-making processes when choosing the best move in a given situation. He helds annual Awélé tournaments in La-Tour-de-Peilz ("Switzerland") since 2005, which are hosted by the Swiss Games Museum ("Musée Suisse du Jeu"). Retschitzki is also an avid tournament player.