[Event "Olympiad-04"]
[Site "Prague"]
[Date "1931.07.12"]
[Round "1"]
[White "Van den Bosch, Johannes"]
[Black "Naegeli, Oskar"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. a3 Be7 7. Qc2 O-O 8. Nf3 Re8 9. Rd1 a6 10. Bd3 b5 11. c5 e5 12. dxe5 Ng4 13. Bf4 Bxc5 14. Bxh7+ Kh8 15. b4 Ba7 16. e6 fxe6 17. h3 Nh6 18. Bg5 Qc7 19. Qg6 Bb7 20. Bxh6 Nf8 21. Qh5 gxh6 22. Bb1 Qg7 23. Ne5 Re7 24. O-O Bb8 25. Ng4 Qg5 26. Qxh6+ Qxh6 27. Nxh6 Be5 28. Rc1 a5 29. f4 Bg7 30. Ng4 axb4 31. axb4 Ra3 32. Ne5 Rb3 33. Na2 Rxe3 34. Nxc6 Bxc6 35. Rxc6 Bd4 36. Kh1 Rg7 37. Nc1 Rc3 38. Rxc3 Bxc3 39. Nd3 Nd7 40. Bc2 Rg3 41. Rb1 Nb6 42. Nc5 Re3 43. Rb3 d4 44. Kg1 Nd5 45. Nd3 Re2 46. Bb1 Ne3 47. g4 Nc4 48. Ne5 Nd2 49. Ra3 Nxb1 50. Ra8+ Kg7 51. Ra7+ Kf8 52. g5 Rxe5 53. fxe5 d3 54. Rd7 d2 55. h4 Bxe5 56. h5 Bf4 57. h6 Bxg5 58. h7 Bf6 59. Kf1 Ke8 60. Rd3 Kf7 61. Ke2 Kg7 62. Rh3 Kh8 63. Rh1 Nc3+ 64. Kxd2 Nd5 65. Ke2 Nxb4 66. Rb1 Nd5 67. Rc1 Kxh7 68. Rc6 Kg6 0-1