[Event "Mar del Plata International-20"]
[Site "Mar del Plata"]
[Date "1957.03.16"]
[Round "2"]
[White "Cuellar Gacharna, Miguel"]
[Black "Kotov, Alexander"]
[Result "0-1"]

1. d4 d6 2. e4 g6 3. g3 Bg7 4. Bg2 Nc6 5. c3 e5 6. Ne2 h5 7. h3 Qf6 8. d5 Nb8 9. c4 h4 10. Nbc3 a5 11. Be3 Bh6 12. Qd2 Na6 13. g4 Bxe3 14. fxe3 Bd7 15. Nc1 Ne7 16. Nd3 Nc8 17. b3 Nc5 18. Rf1 Qe7 19. Nxc5 dxc5 20. d6 Qxd6 21. Qf2 Qe6 22. Nd5 Kd8 23. Qxf7 Qxf7 24. Rxf7 Ra6 25. O-O-O Rd6 26. Rdf1 Re6 27. g5 Nd6 28. Rf8+ Rxf8 29. Rxf8+ Re8 30. Rf6 Be6 31. Nc3 Ke7 32. Rxg6 Rg8 33. Rxg8 Bxg8 34. Kd2 Be6 35. Nd1 Nf7 36. g6 Ng5 37. Nf2 Kf6 38. Ke2 b6 39. Kd3 Kxg6 40. Kc3 Kf6 41. a4 Bf7 42. Kd3 c6 43. Kc3 Ke7 44. Kc2 Kd7 45. Kc3 Kd6 46. Kd2 b5 47. Kc3 bxa4 48. bxa4 Bh5 49. Kd2 Nf3+ 50. Bxf3 Bxf3 51. Ke1 Ke6 52. Kd2 Ke7 53. Ke1 Kf6 54. Kd2 Kg5 55. Ke1 Kf6 56. Kd2 Ke6 57. Kd3 Kd6 58. Kd2 Bh5 59. Kd3 Bf7 60. Kc3 Be6 61. Kb3 Ke7 62. Kc3 Kf6 63. Kd3 Kg5 64. Kc3 Bxh3 65. Nxh3+ Kg4 66. Ng1 Kg3 67. Ne2+ Kg2 0-1