[Event "Wien Trebitsch Memorial-15"]
[Site "Vienna"]
[Date "1931.05.13"]
[Round "10"]
[White "Gruenfeld, Ernst"]
[Black "Koenig, Imre"]
[Result "1-0"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 d5 7. Qb3 Bxd2+ 8. Nbxd2 Nbd7 9. O-O c6 10. Rfe1 Rd8 11. Rac1 e5 12. cxd5 Nxd5 13. e4 Nc7 14. d5 c5 15. Nc4 Ne8 16. Bh3 Nb6 17. Bxc8 Nxc4 18. Qxb7 Nc7 19. Rxc4 Rdxc8 20. Qb3 Rab8 21. Qc3 Nb5 22. Qxe5 Qxe5 23. Nxe5 Nd4 24. Rb1 f6 25. Rxd4 cxd4 26. Nc6 Rb7 27. Rd1 Kf7 28. Rxd4 Rxb2 29. Ra4 Rc7 30. Kg2 Ke8 31. Kf3 Kd7 32. Ke3 Kd6 33. Ra5 g5 34. h3 h5 35. f4 gxf4+ 36. gxf4 Rh2 37. e5+ fxe5 38. fxe5+ Kd7 39. Ra6 Rxh3+ 40. Kd4 Rh1 41. e6+ Ke8 42. Kc5 Rg7 43. Kd6 Rb1 44. Nxa7 Rb8 45. Nc6 Rc8 46. Ra4 Rh7 47. Rh4 Rcc7 48. a4 1-0