[Event "Copenhagen"] [Site "Copenhagen"] [Date "1923.??.??"] [Round "?"] [White "Nimzowitsch, Aaron"] [Black "Jacobsen, Ernst"] [Result "1-0"] [WhiteElo ""] [BlackElo ""] [ECO "D53"] 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. Qc2 Nbd7 7. O-O-O c5 8. dxc5 Nxc5 9. e3 Bd7 10. Kb1 Nfe4 11. Nxe4 Nxe4 12. Bxe7 Qxe7 13. Bd3 Nf6 14. cxd5 exd5 15. Nd4 Rfc8 16. Qb3 b5 17. f3 g6 18. Rhe1 b4 19. Ba6 Rcb8 20. g4 Rb6 21. Bf1 Be6 22. Rc1 a5 23. a4 Nd7 24. Bb5 Nc5 25. Qc2 Rc8 26. h4 Rbb8 27. Qh2 Qc7 28. Qxc7 Rxc7 29. Nc6 Rxb5 30. axb5 Nd3 31. Nxa5 Ra7 32. Nc6 Rb7 33. Nd4 Nxe1 34. Rxe1 Bd7 35. Rc1 Bxb5 36. Rc5 Bd7 37. Rxd5 Kf8 38. Kc2 b3+ 39. Kc3 Ke7 40. h5 Be6 41. Rc5 Kd6 42. Rc6+ Kd7 43. hxg6 hxg6 44. Nxe6 fxe6 45. Rc5 Kd6 46. Rg5 Rg7 47. f4 Rg8 48. Kxb3 Ke7 49. Kc4 Rc8+ 50. Rc5 Rh8 51. Rc7+ Kf6 52. e4 g5 53. e5+ Kg6 54. f5+ exf5 55. Rc6+ Kg7 56. gxf5 Rh2 57. b4 Rc2+ 58. Kd5 Rxc6 59. Kxc6 g4 60. e6 g3 61. e7 g2 62. e8=Q g1=Q 63. Qg6+ 1-0

[Event "Copenhagen"] [Site "Copenhagen"] [Date "1923.??.??"] [Round "?"] [White "Jacobsen, Ernst"] [Black "Nimzowitsch, Aaron"] [Result "0-1"] [WhiteElo ""] [BlackElo ""] [ECO "E12"] 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Rc1 Nbd7 9. Bg3 O-O 10. Bd3 a6 11. O-O Nh5 12. Bb1 g6 13. Ne2 Ndf6 14. Nd2 c5 15. Nf4 Ng7 16. Qe2 Nf5 17. Bxf5 exf5 18. d5 b5 19. b3 Re8 20. Qd3 Ng4 21. Qc2 Bh4 22. e4 Bxg3 23. hxg3 fxe4 24. Nxe4 Bc8 25. f3 Nf6 26. Nxf6+ Qxf6 27. Qd2 Ra7 28. Rce1 Rae7 29. Rxe7 Qxe7 30. Kf2 bxc4 31. bxc4 a5 32. Nd3 Qf6 33. Qb2 Qxb2+ 34. Nxb2 Bf5 35. Rc1 h5 36. Rc3 a4 37. Nd1 g5 38. Ne3 Bd7 39. Ke2 f5 40. Kd2 f4 41. gxf4 gxf4 42. Nd1 Kf7 43. Nf2 Rg8 44. Ke2 Rxg2 45. Rc1 Bf5 46. a3 h4 47. Rf1 Kf6 48. Kd1 h3 49. Ke2 h2 50. Ra1 Bd3+ 51. Kxd3 Rxf2 52. Ke4 Kg5 53. Rb1 Re2+ 54. Kd3 Re3+ 0-1