[Event "St Petersburg"] [Site "St. Petersburg"] [Date "1874.??.??"] [White "Victor Knorre"] [Black "Mikhail Chigorin"] [Result "0-1"] [Variant "Standard"] [ECO "C50"] [Opening "Italian Game: Giuoco Piano"] [Annotator "https://lichess.org/broadcast/-/-/CycTYbcV"] [Source "https://lichess.org/study/CycTYbcV/AY0nbebj"] [Orientation "white"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O?! Nf6 5. d3 d6 6. Bg5 { [%csl Gf6,Gd5][%cal Gb1c3,Gc3d5] } (6. c3 { [%cal Ga7a6,Ge8g8,Bh7h6] }) 6... h6 7. Bh4 g5 8. Bg3 h5! { [Event "B.C.A. Grand Tourney"] [Site "London ENG"] [Date "1862.07.??"] [EventDate "?"] [Round "?"] [Result "0-1"] [White "Serafino Dubois"] [Black "Wilhelm Steinitz"] [ECO "C50"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "74"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 h5 9. h4 Bg4 10. c3 Qd7 11. d4 exd4 12. e5 dxe5 13. Bxe5 Nxe5 14. Nxe5 Qf5 15. Nxg4 hxg4 16. Bd3 Qd5 17. b4 O-O-O 18. c4 Qc6 19. bxc5 Rxh4 20. f3 Rdh8 21. fxg4 Qe8 22. Qe2 Qe3+ 23. Qxe3 dxe3 24. g3 Rh1+ 25. Kg2 R8h2+ 26. Kf3 Rxf1+ 27. Bxf1 Rf2+ 28. Kxe3 Rxf1 29. a4 Kd7 30. Kd3 Nxg4 31. Kc3 Ne3 32. Ra2 Rxb1 33. Rd2+ Kc6 34. Re2 Rc1+ 35. Kd2 Rc2+ 36. Kxe3 Rxe2+ 37. Kxe2 f5 0-1 } { [%csl Gg3,Gg5][%cal Gh5h4] } 9. Nxg5 { [%csl Gf7][%cal Gg5f7,Gc4f7] } (9. h4!? { Idee van Steinitz }) 9... h4 { [%csl Gg3] } 10. Nxf7 { [%csl Gd8,Gh8][%cal Gf7d8,Gf7h8] } 10... hxg3 11. Nxd8 Bg4 { [%csl Gd1] } 12. Qd2 (12. Qxg4 gxf2+ (12... Nxg4) 13. Kh1 Nxg4 { [%csl Gh2][%cal Gh8h2] } 14. h3 Nxd8 { [%cal Gh3g4,Gh8h1] }) 12... Nd4 { [%csl Ge2,Gh2][%cal Gd4e2,Gg1h1,Gh8h2] } 13. Nc3 (13. h3 Ne2+ 14. Kh1 (14. Qxe2 Bxe2 15. Rc1 (15. Ne6 { [%csl Gc5,Gc7][%cal Ge6c7] } 15... Bb6 16. Nc3 Bxf1 17. Kxf1 { [%csl Gf2] }) 15... Bxf2+ 16. Kh1 Rxh3+ 17. gxh3 Bf3#) 14... Rxh3+ 15. gxh3 Bf3#) 13... Nf3+ { [%csl Gd2,Gg1][%cal Gf3g1,Gf3d2] } 14. gxf3 (14. Kh1 Rxh2#) 14... Bxf3 { 0-1 Black wins. } { [%csl Gh2][%cal Gg3h2] } 15. hxg3 (15. h4 Rxh4 { [%csl Gh1][%cal Gh4h1] }) 15... Rh1# 0-1