[Event "Olympiad-08 Preliminaries B"]
[Site "Buenos Aires"]
[Date "1939.08.27"]
[Round "4"]
[White "Castillo Larenas, Mariano"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. Be2 Bd7 10. Qc2 dxc4 11. Bxc4 e5 12. O-O exd4 13. Nd5 Qd6 14. Rad1 Ba5 15. Nxd4 Ne5 16. Bb3 Ng4 17. g3 Kh8 18. Nf4 Qf6 19. Bd5 c6 20. Bg2 Rad8 21. a3 Bb6 22. Qc3 Bc8 23. b4 Rd6 24. Nde2 Rfd8 25. Qxf6 Nxf6 26. Nc3 g5 27. Rxd6 Rxd6 28. Nfe2 Bg4 29. h3 Bxe2 30. Nxe2 Rd2 31. Nc3 Rd3 32. Nb1 Kg7 33. Bf3 Rb3 34. Rd1 Bc7 35. Be2 a5 36. bxa5 Bxa5 37. Bd3 b5 38. Kf1 c5 39. Bf5 c4 40. Rd6 Rb2 41. g4 Ne8 42. Ra6 Bc7 43. Nc3 Be5 44. Ne2 Nd6 45. Rc6 Nxf5 46. gxf5 Rb3 47. Kg2 c3 48. Rc5 Bd6 49. Rxc3 Rxa3 50. Rc6 Be7 51. Rb6 b4 52. f6+ Bxf6 53. Rxb4 Be5 54. h4 gxh4 55. Rxh4 f5 56. Kf3 Kg6 57. Nf4+ Bxf4 58. Rxf4 h5 59. Rb4 Kg5 1/2-1/2