Kučera ya lashe lambobin yabo biyar a gasar C2 ta kungiyar a gasar zakarun duniya ta ICF Canoe Slalom tare da zinare (2009), azurfa uku (
2011, 2013, 2014) da kuma tagulla (2007). Ya kuma lashe zinare 4 da tagulla 2 a Gasar Zakarun Turai.