[Event "Stockholm Interzonal"] [Site "Stockholm SWE"] [Date "1952.10.09"] [Round "15"] [White "Laszlo Szabo (?)"] [Black "Tigran Vartanovich Petrosian (?)"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B93"] [Opening "Sicilian Defense: Najdorf Variation, Amsterdam Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 { B93 Sicilian Defense: Najdorf Variation, Amsterdam Variation } Qc7 7. Be2 e5 8. Nf3?! { (0.41 → -0.14) Inaccuracy. Nb3 was best. } (8. Nb3 Nbd7 9. a4 exf4 10. Bxf4 Ne5 11. Qd2 Be7 12. Nd4 O-O 13. h3 Be6 14. Qe3 Qb6) 8... Be6 9. f5 Bc4 10. Bg5 Nbd7 11. Nd2 Bxe2 12. Qxe2 Rc8?! { (0.04 → 0.62) Inaccuracy. d5 was best. } (12... d5) 13. a3 Qb6 14. O-O-O Rxc3 15. bxc3 d5 16. Nb1 Nxe4 17. Rxd5 Nxg5?! { (0.00 → 0.64) Inaccuracy. Qxb1+ was best. } (17... Qxb1+ 18. Kxb1 Nxc3+ 19. Kb2 Nxe2 20. Re1 Be7 21. Bxe7 Nf4 22. Rdxe5 Nxe5 23. Rxe5 Kd7 24. Bc5) 18. h4 Bc5?! { (0.14 → 1.16) Inaccuracy. Be7 was best. } (18... Be7 19. hxg5) 19. hxg5 Be3+ 20. Nd2 Bxg5 21. Qd3 Qc7 22. Kd1 Bxd2 23. Kxd2 f6?! { (0.52 → 1.40) Inaccuracy. b5 was best. } (23... b5) 24. Kc1?! { (1.40 → 0.38) Inaccuracy. Rh4 was best. } (24. Rh4) 24... Nb6 25. Rd6 O-O 26. Rd1 Qc5 27. Rd8 Qxa3+ 28. Kb1 h5?! { (0.25 → 1.31) Inaccuracy. h6 was best. } (28... h6 29. Rxf8+) 29. Rxf8+ Qxf8 30. Qe4 Qe7 31. Qb4 Qc7 32. Qd6 Qxd6 33. Rxd6 Nc4 34. Rd7 b5 35. Ra7?! { (-0.86 → -1.57) Inaccuracy. Rd3 was best. } (35. Rd3 Kh7 36. Rh3 g6 37. fxg6+ Kxg6 38. Rg3+ Kf5 39. Rf3+ Kg5 40. Rg3+ Kh6 41. Kc1 a5) 35... Ne3 36. Rxa6 Nxg2 37. Kc1 h4?! { (-1.87 → -0.77) Inaccuracy. Ne3 was best. } (37... Ne3) 38. Kd2 h3 39. Ra1 Nh4 40. c4?! { (-1.18 → -2.00) Inaccuracy. Rh1 was best. } (40. Rh1) 40... bxc4 41. Rh1 Nxf5 42. Kc3?! { (-1.75 → -2.60) Inaccuracy. Rxh3 was best. } (42. Rxh3 Kf7 43. Ra3 Ke6 44. Ke2 Nd4+ 45. Kf2 Nxc2 46. Rc3 Nd4 47. Rxc4 f5 48. Rc8 g5) 42... Nd6 43. Rxh3 Kf7 44. Rh7?! { (-2.14 → -3.21) Inaccuracy. Kb4 was best. } (44. Kb4 Ke6 45. Ra3 e4 46. Ra6 Ke5 47. Kc5 Nf5 48. Kxc4 g5 49. Kc3 g4 50. Kd2 g3) 44... f5 45. Kb4? { (-2.84 → -5.25) Mistake. Rh5 was best. } (45. Rh5 Ke6 46. Kd2 g5 47. Rh8 g4 48. Rg8 Kf7 49. Rd8 Ne4+ 50. Ke3 Ng3 51. Kf2 f4) 45... f4 46. Kc5? { (-4.18 → -6.95) Mistake. Kc3 was best. } (46. Kc3 e4) 46... f3 47. Rh1 e4 { White resigns. } 0-1