[Event "Siegen ol prel Rd: 4"] [Site "Siegen FRG"] [Date "1970.09.08"] [Round "4"] [White "Armando Acevedo Milan (?)"] [Black "Robert James Fischer (?)"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A46"] [Opening "Indian Defense: Spielmann-Indian"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 c5 { A46 Indian Defense: Spielmann-Indian } 3. c3 g6 4. g3 b6 5. Bg2 Bb7 6. O-O Bg7 7. Nbd2 O-O 8. Re1 d5 9. Ne5 Nc6 10. Ndf3 Rc8 11. Nxc6 Bxc6 12. Bh3 Bd7 13. Bf1 Bc6 14. Ne5 Bb7 15. a4 Ne4 16. f3 Nd6 17. e3 Qc7 18. a5 f6 19. axb6 axb6 20. Nd3 e5 21. Nf2 e4 22. f4?! { (-0.38 → -1.03) Inaccuracy. fxe4 was best. } (22. fxe4 dxe4 23. Qb3+ c4 24. Qb4 Bd5 25. Ra6 Rb8 26. Bd2 Rb7 27. Qa3 h6 28. Be2 f5) 22... Ra8 23. Bd2 Rxa1 24. Qxa1 Ra8 25. Qb1 Qc6 26. b3 Ba6 27. Qb2?! { (-0.45 → -1.40) Inaccuracy. dxc5 was best. } (27. dxc5 Qxc5 28. c4 f5 29. b4 Qc7 30. b5 Bb7 31. cxd5 Bxd5 32. Rc1 Nc4 33. Qb3 Ra1) 27... Bxf1 28. Rxf1 c4 29. b4 Qa4 30. Rb1 Bf8 31. Kf1 Nb5 32. Ke2 f5 33. Nd1 Kf7 34. Nf2 Qa2 35. Nd1 Ke6 36. Qxa2 Rxa2 37. Rb2 Ra1 38. Be1 Kd7 39. Bd2 Kc6 40. Be1 Na3 41. Kd2 Kb5 42. Bf2 Ka4 43. Be1 Be7 44. Bf2 Nb5 45. Kc2?? { (-1.58 → -5.79) Blunder. Be1 was best. } (45. Be1 Nc7 46. h3 h5 47. Rc2 Nb5 48. Rc1 Ra2+ 49. Rc2 Ra3 50. Ke2 Ra1 51. Bd2 Kb3) 45... Ka3 46. Rb1 Ra2+ 47. Rb2 Nxc3 48. Kxc3? { (-5.40 → -13.64) Mistake. Rxa2+ was best. } (48. Rxa2+ Nxa2 49. b5 Nb4+ 50. Kc3 Na2+ 51. Kc2 Nb4+ 52. Kc3 Ka4 53. Be1 Nd3 54. Bd2 Kxb5) 48... Ra1 { White resigns. } 0-1