sentences:  She also won the British Open Ladies Singles the same year.A year later, de Boer was the youngest competitor at the BDO World Darts Championship in Frimley Green and reached the semi finals, beating Linda Rogers-Pickett in the quarter finals before her run was ended by Ladies World Champion Trina Gulliver.She returned to the Lakeside a year later but lost in the quarter finals to Hoenselaar.