This page refers to the sport of kolf. For the computer game see Kolf. Kolven (singular kolf) is a game originated in the Netherlands, played by several individuals with heavy curved bats (klieks) and a ball between two poles on an indoor kolf court. Game Kolf is in no way to be confused with golf (although it can well claim to be a close relative). Kolf is played on an indoor course some 17.5 metres long and 5 metres wide, marked with looping scoring lines, and with an ornate wooden post plant… (More on Kolven)