[Event "1957 Montana Open"] [Site "Butte, MT"] [Round "0"] [White "Vandenburg, Dick"] [Black "Pupols, Viktors"] [Result "0-1"] [ECO "E72"] [Opening "King's Indian: 4.e4 d6 5.g3"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 O-O 6. Bg2 Nbd7 7. Nge2 e5 8. d5 a5 9. b3 Ng4 10. O-O f5 11. f3 Nh6 12. Bd2 Nc5 13. Qc2 Nf7 14. a3 fxe4 15. fxe4 Ng5 16. Rxf8+ Bxf8 17. Rf1 Nh3+ 18. Kh1 Bg4 19. Ng1 Nxg1 20. Kxg1 Qd7 21. b4 axb4 22. axb4 Na6 23. Qb3 Bg7 24. Be3 Bh3 25. c5 Bxg2 26. Kxg2 Rf8 27. Rxf8+ Kxf8 28. Qc4 Nb8 29. cxd6 cxd6 30. b5 Bf6 31. Ba7 Qd8 32. Bxb8 Qxb8 33. Ne2 Bd8 34. Ng1 Bb6 35. Nf3 h6 36. h4 Ke7 37. Qc1 Qf8 38. Qc4 Kd7 39. Qc1 Bc5 40. Qf1 Kc7 41. Nd2 Qxf1+ 42. Kxf1 Kb6 43. g4 Kxb5 44. Ke2 Bb6 45. h5 gxh5 46. gxh5 Bd8 47. Kd3 Kc5 48. Nf1 Kb4 49. Ne3 Be7 50. Nf5 Bf8 51. Ne3 b5 52. Nc2+ Kb3 53. Na1+ Kb2 54. Nc2 Be7 55. Ne3 Kb3 56. Nf5 Bf8 57. Ne3 b4 58. Nc2 Be7 59. Ne3 Ka2 60. Nc4 b3 61. Kc3 Bh4 62. Kb4 b2 63. Nxb2 Kxb2 64. Kb5 Bf2 65. Kc6 Bc5 66. Kd7 Kc3 67. Ke6 Kd3 68. Kf6 Kxe4 69. Kg6 Be3 {#R} 0-1