[Event "Mar del Plata International-11"]
[Site "Mar del Plata"]
[Date "1948.03.16"]
[Round "4"]
[White "Olivera, Alfredo"]
[Black "Denker, Arnold Sheldon"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 dxe4 8. Nxe4 Bb4+ 9. Ned2 O-O 10. a3 Bxd2+ 11. Qxd2 c5 12. O-O-O Rd8 13. Qe3 Nc6 14. d5 exd5 15. cxd5 Ne7 16. Bc4 Bg4 17. Rhe1 Bxf3 18. Qxf3 Qxf3 19. gxf3 Nf5 20. Kb1 Nd6 21. Bd3 Kf8 22. f4 Rac8 23. Re3 Rc7 24. f5 Re8 25. f6 Rxe3 26. fxg7+ Kxg7 27. fxe3 Re7 28. Re1 Kf6 29. Bf1 Ke5 30. Bg2 f5 31. Kc2 Rd7 32. Rf1 Nc4 33. Rf3 Rg7 34. Bh3 Rg5 35. Bf1 Nd6 36. Rh3 Rg1 37. Bd3 c4 38. Be2 Rg2 39. Kd1 c3 40. bxc3 Ne4 41. Bf3 Nxc3+ 42. Kc1 Rg6 43. Rh4 Nxd5 44. e4 Rc6+ 45. Kd2 Nf4 46. exf5 Rd6+ 47. Kc2 Kxf5 48. Rg4 b6 49. Rg7 Rd3 50. Bg4+ Ke5 51. Rxa7 1/2-1/2