Kirchner's first tournament win came at the 2002 Soft Tip Bullshooter World Championship where he beat James Harvey in the final.
[1] He reached the final of the Soft Tip NDA World Championship a year later but lost against Alexander Kohler.
[4] Kirchner made amends for this a year later by claiming the title in a win over Lim.
Kirchner lost the opening set in a deciding leg but leveled the match by taking the second without reply.
Kirchner missed one dart at double 11 for a 124 finish in the decider of the third set and would go on to lose 3–1.