Hort vs Keres: Oberhausen 1961

[Event "EUR-chT (Men) 2nd"][Site "Oberhausen FRG"][Date "1961.06.23"][Round "3"][White "Vlastimil Hort"][Black "Paul Keres"][Result "0-1"][ECO "C71"][PlyCount "106"][EventDate "1961.??.??"]   1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8.  Bd5 Rb8 9. Bc6+ Bd7 10. Bxd7+ Qxd7 11. Qxd4 Nf6 12. O-O Be7 13. Nc3 O-O 14. a4  Rfe8 15. Qd3 b4 16. Nd5 a5 17. b3 Nxd5 18. exd5 Bf6 19. Rb1 c5 20. Bf4 Be5 21.  Be3 Rbc8 22. Qc4 Qf5 23. Qb5 Qxc2 24. Qxa5 f5 25. f3 Bb2 26. Qa6 Qxb3 27. Bf2  c4 28. Qb7 Rb8 29. Qa7 Ra8 30. Qb7 Reb8 31. Qd7 Qc2 32. Qxd6 b3 33. Qe6+ Kh8  34. d6 Bf6 35. Rfc1 Qxc1+ 36. Rxc1 b2 37. Rb1 c3 38. Qe2 Rxa4 39. d7 h6 40.  Qe8+ Kh7 41. d8=Q Rxd8 42. Qxa4 Rd2 43. Rxb2 cxb2 44. Qb3 Rd8 45. Qc2 Rb8 46.  Qb1 g6 47. g4 Ra8 48. Kg2 Ra1 49. Qc2 b1=Q 50. Qc7+ Bg7 51. Bd4 Qf1+ 52. Kg3  f4+ 53. Kxf4 Qc1+ 0-1