[Event "Tallinn"]
[Site "Tallinn"]
[Date "1973.02.20"]
[Round "1"]
[White "Popov, Luben"]
[Black "Keres, Paul"]
[Result "0-1"]
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. O-O cxd4 7. Nxd4 Bxg2 8. Kxg2 Nc6 9.
Nxc6 dxc6 10. Nc3 Qxd1 11. Rxd1 Bb4 12. Bd2 O-O-O 13. a3 Bd6 14. Bf4 Bxf4 15. gxf4 Rhg8
16. Kf3 g5 17. Rxd8+ Kxd8 18. Rg1 g4+ 19. Kg2 Ke7 20. Rd1 h5 21. e3 h4 22. Kf1 g3 23. hxg3
hxg3 24. Ke2 Rh8 25. Rg1 gxf2 26. Rg2 Rh4 27. Kxf2 Ng4+ 28. Ke2 f5 29. Kd2 Rh3 30. Re2 Kd6
31. b3 Rh1 32. Nd1 Nf6 33. Kc2 e5 34. Nf2 Ra1 35. Kb2 Rf1 36. Nd3 e4 37. Ne5 c5 38. b4 Ke6
39. Rg2 Re1 40. Rg3 Re2+ 41. Kb3 Ng4 42. Nxg4 fxg4 43. bxc5 bxc5 44. Rxg4 Rxe3+ 45. Kb2
Kf5 46. Rg5+ Kxf4 47. Rxc5 Rd3 48. Rc7 e3 49. Rf7+ Kg3 50. c5 e2 51. Re7 Kf2 52. c6 Rf3
53. c7 Rf8 54. c8=Q Rxc8 55. Rf7+ Ke1 56. Rxa7 Re8 0-1