[Event "No. 4486 Tactic: Chess, Combination"] [Site "Winterthur"] [Round "0"] [White "Wirthensohn, Heinz"] [Black "Ott"] [Result "1-0"] [ECO "C00"] [Opening "French: KIA 2.d3"] 1. e4 e6 2. d3 c5 3. g3 Nc6 4. Bg2 d5 5. Nd2 Nf6 6. Ngf3 dxe4 7. dxe4 Be7 8. O-O O-O 9. Qe2 b6 10. e5 Nd7 11. Ne4 Qc7 12. Bf4 h6 {Diagram} 13. Nf6+ gxf6 14. exf6 Bd6 15. Bxd6 Qxd6 16. Rad1 Qc7 17. Rxd7 Qxd7 18. Qe3 Kh7 19. Qe4+ Kh8 20. Ng5 hxg5 21. Qg4 {#r} 1-0