Siveri, Armando VS Marthaler, Otto 1959.12.29

[Event "Reggio Emilia-02 1959/60"]
[Site "Reggio Emilia"]
[Date "1959.12.29"]
[Round "4"]
[White "Siveri, Armando"]
[Black "Marthaler, Otto"]
[Result "0-1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. Be3 Be7 8. O-O O-O 9. Nb3 a6 10. f4 Qc7 11. Bf3 Bd7 12. Ne2 Rac8 13. c3 b5 14. a3 Rb8 15. Qe1 a5 16. Nbd4 a4 17. Rd1 Na5 18. g4 Nc4 19. Bc1 Ne8 20. Ng3 Kh8 21. Nc2 Bc6 22. Nb4 Bb7 23. Qe2 Nf6 24. g5 Nd7 25. Nd3 Nc5 26. Bg2 Nb3 27. Rf3 Nxc1 28. Rxc1 d5 29. e5 g6 30. Nf1 Kg7 31. h4 Qb6+ 32. Kh2 Rh8 33. Rh3 h5 34. Ne3 d4 35. cxd4 Qxd4 36. Nc2 Qb6 37. Bxb7 Rxb7 38. Nce1 Rd8 39. Rc2 Rbd7 40. Rf3 Qd4 41. Kg3 Qg1+ 42. Qg2 Bc5 43. Qxg1 Bxg1 44. Re2 Bb6 45. Kg2 Rd4 46. Kh3 Ba5 47. Kg3 Bxe1+ 48. Nxe1 Nd2 49. f5 Nxf3 50. f6+ Kg8 51. Nxf3 Rc4 52. Re3 b4 53. axb4 Rxb4 54. Ra3 Rd1 55. b3 axb3 56. Ra8+ Kh7 57. Ra7 b2 58. Rxf7+ Kg8 59. Rg7+ Kf8 60. Rh7 b1=Q 61. Rh8+ Kf7 0-1