<prompt> Pietzsch o bile le katlego e kgolo gape go FIL World Luge Championships ka palo-moka ya dimetale tše tshelelago, go akaretša gauta e mene Mens doubles: 1983, 1985, 1987; Mixed team: 1990 le bronze tše pedi Mens doubles: 1989  <response>: , 1990. O ile a ba a thopa dimetale tše tharo go FIL European Luge Championships ka gauta tše pedi Mens doubles le sehlopha se se kopantšwego: bobedi ka 1990 le silifera e tee Mens doubles: 1986. 