| ECO A04 in 2001 play it! mortensen erling defeats white's aird ian in 86 moves | 1. Nf3 g6 2. e4 c6 3. d4 d5 4. Nbd2 Bg4 5. c3 Nf6 6. Bd3 dxe4 7. Nxe4 Nbd7 8. h3 Bxf3 9. Qxf3 Bg7 10. Bg5 O-O 11. O-O Qb6 12. Qe2 Rfe8 13. Qc2 Nd5 14. Rfe1 Qc7 15. Rad1 b5 16. Bf1 b4 17. c4 Nf4 18. Qd2 Ne6 19. Be3 c5 20. dxc5 Ne5 21. Qxb4 Reb8 22. Qa4 Rxb2 23. Rb1 Rab8 24. Rxb2 Rxb2 25. Rd1 Nc6 26. Ng5 Nxg5 27. Bxg5 Bd4 28. Bh6 Bxf2+ 29. Kh1 Rb8 30. Qa3 Bd4 31. Be2 Qe5 32. Qf3 Qxc5 33. Qe4 Rd8 34. Bf3 Ne5 35. Be2 f5 36. Qh4 Nf7 37. Bg5 Nxg5 38. Qxg5 Kf7 39. Qh4 Kg7 40. Rb1 Bf6 41. Qe1 Rd6 42. Rb3 Re6 43. Qf1 Qa5 |
| ECO A05 in 1991 play it! mortensen erling defeats white's ledger andrew j in 72 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. Nbd2 a5 7. e4 Nc6 8. Re1 Nd7 9. c3 a4 10. Nc4 b5 11. Ne3 Nb6 12. d5 Ne5 13. Nd4 Bd7 14. Rb1 Nbc4 15. Nec2 Rb8 16. Nb4 Na5 17. f4 c5 18. fxe5 cxd4 19. exd6 dxc3 20. e5 Bf5 21. Bg5 Qb6+ 22. Be3 Qb7 23. bxc3 exd6 24. Nc6 Nc4 25. Rb4 Nxe3 26. Rxe3 Rbe8 27. Qe2 Bh6 28. Rf3 dxe5 29. Rxf5 gxf5 30. Qh5 Be3+ 31. Kh1 Qd7 32. g4 e4 33. gxf5 Qxd5 34. Qg4+ Kh8 35. Bxe4 Rxe4 36. Qxe4 Rg8 |
| ECO A05 in 1987 play it! mortensen erling defeats white's hansen curt in 79 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c6 7. Nc3 Qa5 8. h3 e5 9. e4 Nbd7 10. Re1 exd4 11. Nxd4 Ne5 12. Bf1 Re8 13. Be3 Be6 14. Nxe6 Rxe6 15. Kg2 Rae8 16. f3 a6 17. a3 b5 18. cxb5 axb5 19. b4 Qd8 20. a4 bxa4 21. Rxa4 d5 22. exd5 Nxd5 23. Nxd5 Rd6 24. Bb6 Qd7 25. Ra7 Qe6 26. Ne7+ Rxe7 27. Ra8+ Bf8 28. Qa1 Rd2+ 29. Bf2 Qd5 30. Re4 Re6 31. Rf4 Nd3 32. Bxd3 Qxd3 33. Re4 Rxe4 34. fxe4 Qxe4+ 35. Kg1 Qd5 36. Qc3 Rd3 37. Rxf8+ Kxf8 38. Qh8+ Ke7 39. g4 Rd1+ 40. Kh2 |
| ECO A05 in 1977 play it! mortensen erling defeats white's kristiansen jens in 76 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. e3 d5 5. cxd5 exd5 6. d4 Nc6 7. Be2 cxd4 8. Nxd4 Bd6 9. O-O O-O 10. Nf3 a6 11. b3 Re8 12. Bb2 Bc7 13. Rc1 Qd6 14. Rc2 Bg4 15. g3 Rad8 16. Rd2 Ba5 17. Qa1 Qe6 18. Rfd1 Bxc3 19. Bxc3 Ne4 20. Rd3 Qf5 21. Kg2 Re6 22. Bxg7 f6 23. Bh6 Ne5 24. Bf4 Bxf3+ 25. Bxf3 Nxd3 26. Rxd3 Nxf2 27. Rd4 Nd3 28. Bh6 Rc6 29. Rg4+ Kf7 30. Rg7+ Ke8 31. Rg8+ Ke7 32. Rg7+ Kd6 33. Bf4+ Nxf4+ 34. exf4 Rc2+ 35. Kg1 Qe6 36. Kh1 Rdc8 37. Qd4 Rc1+ 38. Kg2 R8c2+ |
| ECO A05 in 1981 play it! mortensen erling defeats white's knudsen per b in 48 moves | 1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. Nc3 e5 5. g3 c6 6. Bg2 Be7 7. O-O O-O 8. e4 a6 9. Qc2 b5 10. Rd1 Qc7 11. b3 Re8 12. Bb2 bxc4 13. bxc4 Rb8 14. Rab1 exd4 15. Rxd4 Ne5 16. Nxe5 dxe5 17. Rdd1 Be6 18. Bf1 Qa5 19. Ba1 Bb4 20. Rb3 Rbd8 21. Rdb1 Bc5 22. Bd3 Ng4 23. Nd1 Qe1+ 24. Kg2 Bxf2 |
| ECO A05 in 1978 play it! mortensen erling defeats white's pedersen erik in 76 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 Nc6 7. c3 e5 8. Qc2 a5 9. a4 Re8 10. e4 b6 11. exd5 Nxd5 12. Re1 Bb7 13. Nc4 Qd7 14. Bd2 h6 15. Re2 Re7 16. Rae1 Rae8 17. h4 Qf5 18. h5 g5 19. Nh2 Qd7 20. Nf3 Kh8 21. Bc1 f5 22. Bh1 Bf6 23. Nh2 g4 24. f3 gxf3 25. Nxf3 f4 26. gxf4 Qg4+ 27. Bg2 exf4 28. Rxe7 Ncxe7 29. Nce5 Qxh5 30. d4 Rg8 31. c4 Ne3 32. Bxe3 Bxe5 33. Bxf4 Bxd4+ 34. Nxd4 Rxg2+ 35. Qxg2 Bxg2 36. Be5+ Kh7 37. Kxg2 Ng6 38. Bg3 Qg4 |
| ECO A05 in 1989 play it! mortensen erling defeats white's kristiansen jens in 100 moves | 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d6 5. Bg2 e5 6. d3 O-O 7. Nbd2 Nbd7 8. O-O Rb8 9. e4 Qe7 10. c4 Ne8 11. Qc2 b6 12. a3 a6 13. Rfe1 c6 14. Nf1 Nc7 15. Ne3 Ne6 16. Qd2 Nd4 17. Nxd4 exd4 18. Nc2 c5 19. a4 h5 20. h3 h4 21. g4 g5 22. Bc1 Bf6 23. Rf1 Ne5 24. f4 gxf4 25. Qxf4 Bg7 26. Ne1 Be6 27. g5 Ng6 28. Qd2 f6 29. b5 axb5 30. axb5 Ne5 31. Nf3 Nxf3+ 32. Rxf3 f5 33. exf5 Bxf5 34. Qf2 Bxd3 35. Rxf8+ Rxf8 36. Bd5+ Kh7 37. Qxh4+ Kg6 38. Bf4 Rh8 39. Qg3 Bf5 40. Re1 Be5 41. Bxe5 Rxh3 42. Qg2 dxe5 43. Be4 Rh4 44. Bxf5+ Kxf5 45. Rf1+ Rf4 46. Rxf4+ exf4 47. Qd5+ Qe5 48. Qc6 Qe1+ 49. Kg2 Qe2+ 50. Kg1 f3 |
| ECO A04 in 1991 play it! mortensen erling defeats white's hartvig ove in 54 moves | 1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. d3 e5 5. O-O Nc6 6. e4 Nge7 7. Nc3 h6 8. Be3 g5 9. Qd2 f5 10. exf5 Nxf5 11. Nd5 O-O 12. c4 Ncd4 13. Bxd4 exd4 14. Nb4 c6 15. Nc2 g4 16. Nfe1 a5 17. f3 gxf3 18. Nxf3 Qb6 19. Rab1 Ne3 20. Nxe3 dxe3 21. Qe2 Bg4 22. h3 Bh5 23. g4 Bg6 24. b3 Rae8 25. a3 Bxd3 26. Qxd3 e2+ 27. Rf2 e1=Q+ |
| ECO A04 in 1999 play it! mortensen erling defeats white's sorensen bent in 110 moves | 1. Nf3 g6 2. g3 Bg7 3. d4 d6 4. Bg2 Nf6 5. O-O O-O 6. b3 a5 7. Nbd2 a4 8. Rb1 Nc6 9. Bb2 d5 10. a3 axb3 11. cxb3 Na7 12. b4 Nb5 13. Qb3 Ne4 14. Rfd1 Nec3 15. Bxc3 Rxa3 16. Qb2 Rxc3 17. Rbc1 Rxc1 18. Rxc1 Nd6 19. e3 c6 20. Bf1 Bd7 21. Ne5 Be8 22. Nd3 e6 23. Qb3 Kh8 24. f4 Qe7 25. Nf3 f6 26. Bg2 Nc4 27. Nf2 e5 28. Bf1 b5 29. Ra1 Bf7 30. Ra6 Qb7 31. Ra2 Ra8 32. fxe5 fxe5 33. Ng4 e4 34. Nfe5 Be6 35. Bxc4 dxc4 36. Qb1 Rxa2 37. Qxa2 Bxg4 38. Nxg4 h5 39. Ne5 Bxe5 40. dxe5 Qd7 41. Kf2 Kg7 42. Qb2 Kf7 43. Qd4 Qd5 44. Qa7+ Ke6 45. Qg7 Qd2+ 46. Kf1 Qd1+ 47. Kg2 Qf3+ 48. Kh3 Qf7 49. Qh8 c3 50. Qd8 Qd7 51. Qf6+ Kd5+ 52. Kg2 Qe6 53. Qd8+ Kc4 54. Qd4+ Kb3 55. Qxe4 c2 |
| ECO A05 in 1980 play it! mortensen erling defeats white's kristensen bjark in 76 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. h3 e5 7. d5 Nbd7 8. Bg5 h6 9. Be3 Nc5 10. Nd2 Ne8 11. g4 f5 12. gxf5 gxf5 13. Qc2 Ne6 14. dxe6 f4 15. Bxa7 Rxa7 16. c5 Bxe6 17. Nb5 Ra8 18. Bc4 Bxc4 19. Qxc4+ Kh8 20. O-O-O dxc5 21. Nb3 Qh4 22. Qxc5 Rf6 23. Nc3 Rc6 24. Qb5 Nd6 25. Qe2 f3 26. Qxf3 Nxe4 27. Rhg1 Nxc3 28. bxc3 Qe7 29. Qg4 e4 30. Rd7 Rxc3+ 31. Kd2 Rd3+ 32. Rxd3 Rxa2+ 33. Kd1 exd3 34. Re1 Qf7 35. Re6 Rxf2 36. Nc5 Rf1+ 37. Kd2 Qf2+ 38. Kxd3 Qxc5 |
| ECO A05 in 2000 play it! mortensen erling defeats white's andreasen per in 94 moves | 1. Nf3 Nf6 2. d4 g6 3. Nbd2 d5 4. e3 Bg7 5. Bd3 c5 6. c3 Nbd7 7. O-O O-O 8. b3 Qc7 9. Bb2 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Nf3 Qe7 13. c4 Rd8 14. Qe2 Bg4 15. cxd5 Nxd5 16. Bxg7 Kxg7 17. Rac1 Rac8 18. Bc4 Qf6 19. Bxd5 Rxd5 20. Rc4 Bxf3 21. Qxf3 Qxf3 22. gxf3 Rd2 23. a4 a5 24. Rfc1 b6 25. R1c2 Rcd8 26. f4 Rxc2 27. Rxc2 Kf6 28. Kf1 Kf5 29. Ke2 Kg4 30. Rc1 f5 31. h4 Rd7 32. Rg1+ Kh5 33. f3 Kxh4 34. e4 Kh3 35. Ke3 Kh2 36. Rg5 Re7 37. Kd3 Rd7+ 38. Kc3 fxe4 39. fxe4 Rd4 40. Re5 Kg3 41. f5 gxf5 42. exf5 Rf4 43. Re7 h5 44. Rf7 Kg4 45. f6 Kg5 46. Rg7+ Kxf6 47. Rb7 Rb4 |
| ECO A05 in 1979 play it! mortensen erling defeats white's vadasz laszlo in 80 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 Bd7 8. Qxc4 Bc6 9. Nc3 Nbd7 10. Qd3 Bb4 11. a3 Bxc3 12. Qxc3 a5 13. b3 Be4 14. Bb2 a4 15. b4 Nd5 16. Qd2 b5 17. Rac1 N7b6 18. Rc5 Nc4 19. Qc1 Qe8 20. Nd2 Nxd2 21. Qxd2 Bxg2 22. Kxg2 Ra7 23. Rfc1 Nb6 24. Rxc7 Qa8+ 25. f3 Nc4 26. Rxa7 Qxa7 27. Qc3 f5 28. Rd1 e5 29. Bc1 e4 30. d5 Re8 31. Qd4 Qd7 32. d6 h6 33. f4 Kh7 34. Qc5 Rc8 35. Qd5 h5 36. h3 Re8 37. g4 g6 38. gxh5 gxh5 39. Kf2 Rg8 40. Be3 Rg2+ |
| ECO A05 in 1992 play it! mortensen erling defeats white's robatsch karl in 84 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be3 e5 7. dxe5 dxe5 8. Qc2 Nbd7 9. Rd1 Re8 10. Be2 c6 11. Nd2 Qe7 12. Nb3 h5 13. O-O Ng4 14. Bxg4 hxg4 15. Ne2 Nf8 16. Ng3 Ne6 17. Rd2 c5 18. Nc1 Nd4 19. Bxd4 cxd4 20. Re2 Be6 21. Nd3 a5 22. a4 Qc7 23. b3 Bh6 24. Ree1 Kg7 25. Qe2 Rh8 26. Rb1 Bf4 27. Rfe1 Qe7 28. Nxf4 exf4 29. Nf1 Qc5 30. Rbd1 Qe5 31. Rd3 Rad8 32. f3 gxf3 33. Qxf3 g5 34. Red1 Rd7 35. h3 f5 36. exf5 Bxf5 37. R3d2 d3 38. Rc1 Re8 39. Qh5 Bg6 40. Qg4 Qc5+ 41. Kh2 Rde7 42. Qf3 Re2 |
| ECO A04 in 2004 play it! mortensen erling defeats white's jorgensen per he in 66 moves | 1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 O-O 5. Bg5 h6 6. Bh4 d6 7. e3 Nbd7 8. Be2 c6 9. Qc2 a6 10. Nd2 b5 11. Bf3 bxc4 12. Bxc6 Rb8 13. Nd5 Nxd5 14. Bxd5 Nb6 15. Bxc4 Nxc4 16. Nxc4 Be6 17. b3 g5 18. Bg3 f5 19. Qd2 Bxc4 20. bxc4 e5 21. f3 exd4 22. O-O dxe3 23. Qd5+ Rf7 24. Bxd6 Bxa1 25. Rxa1 Rb2 26. Qe5 Rd2 27. c5 Qf6 28. Qe8+ Kh7 29. Rb1 f4 30. h4 gxh4 31. Be5 Rd8 32. Bxf6 Rxe8 33. Bxh4 Rc7 |
| ECO A04 in 1986 play it! mortensen erling defeats white's sorensen in 60 moves | 1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nd7 5. e4 e5 6. Be2 c6 7. O-O Nh6 8. Re1 O-O 9. Bf1 Qe7 10. Rb1 Kh8 11. h3 f5 12. exf5 gxf5 13. dxe5 dxe5 14. Bf4 Nf7 15. Qc2 Qf6 16. Bh2 e4 17. Nd2 Nde5 18. Be2 Ng5 19. Kh1 Qh6 20. Rf1 f4 21. Ncxe4 f3 22. Nxf3 Ngxf3 23. gxf3 Nxf3 24. Bxf3 Rxf3 25. Ng3 Bxh3 26. Rfd1 Raf8 27. Rd2 Rxg3 28. fxg3 Bf5 29. Rd3 Be4+ 30. Kg1 Bd4+ |
| ECO A05 in 1987 play it! mortensen erling defeats white's sloth jorn in 122 moves | 1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 O-O 5. e3 d6 6. Be2 e5 7. d3 a5 8. a3 e4 9. dxe4 Nxe4 10. Bxg7 Kxg7 11. Qd4+ Qf6 12. Nbd2 Nc3 13. Qxf6+ Kxf6 14. b5 Nd7 15. Rc1 Nxe2 16. Kxe2 Nc5 17. Nd4 b6 18. N4b3 Bb7 19. Nxc5 dxc5 20. f3 Rad8 21. Rc3 Rd6 22. Rd3 Rfd8 23. Rxd6+ cxd6 24. e4 Ke5 25. Kd3 f5 26. Re1 Kf6 27. g3 Re8 28. Re3 Re6 29. f4 h6 30. h3 Re7 31. Re2 Bc8 32. Rh2 Kf7 33. g4 Kg7 34. exf5 gxf5 35. Rg2 fxg4 36. hxg4 Re1 37. Rg3 Be6 38. f5 Bf7 39. g5 hxg5 40. Rxg5+ Kf6 41. Rg3 Kxf5 42. Rf3+ Ke6 43. Rg3 Ke7 44. Kc3 Re6 45. Nf1 Re4 46. Ne3 Rf4 47. Rh3 Kf6 48. Rg3 Be6 49. Kd3 Rd4+ 50. Kc3 Ke5 51. Rg6 Rh4 52. Kd3 Rh3 53. Kd2 Rh2+ 54. Kc3 Re2 55. Nd5 Bxd5 56. Rg5+ Ke6 57. Rxd5 Re3+ 58. Kb2 a4 59. Rh5 Rb3+ 60. Ka2 Rc3 61. Rh4 Ke5 |
| ECO A05 in 1983 play it! mortensen erling defeats white's sloth jorn in 112 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 c6 7. Nbd2 a5 8. a4 d5 9. O-O Na6 10. Re1 Bf5 11. Nh4 Be6 12. c3 Qb6 13. Ba3 Rfe8 14. e3 Bg4 15. Qc2 e5 16. dxe5 Rxe5 17. Nhf3 Ree8 18. Nd4 Nc5 19. c4 Rac8 20. Rac1 Na6 21. c5 Qc7 22. h3 Bd7 23. Qc3 b6 24. b4 axb4 25. Bxb4 Nxb4 26. Qxb4 bxc5 27. Qxc5 Bf8 28. Qc3 Qe5 29. Qd3 c5 30. Nb5 Rb8 31. e4 c4 32. Qc2 Bc5 33. Kf1 Qh5 34. exd5 Bxh3 35. Ne4 Nxe4 36. Rxe4 Bxg2+ 37. Kxg2 Qxd5 38. f3 Bb6 39. Rce1 Rxe4 40. Rxe4 Rc8 41. Nc3 Qc5 42. Re1 Qc6 43. Re4 Ba5 44. Nb5 Qc5 45. Qe2 c3 46. Re5 Qb4 47. Re8+ Rxe8 48. Qxe8+ Qf8 49. Qc6 Qd8 50. Nd6 c2 51. Ne4 Qc7 52. Nf6+ Kh8 53. Qe8+ Kg7 54. Nd7 Qxd7 55. Qxd7 c1=Q 56. Qd4+ Kg8 |
| ECO A10 in 1998 play it! mortensen erling defeats white's holst allan by checkmate in 88 moves | 1. c4 g6 2. Nf3 Bg7 3. Nc3 d6 4. g3 e5 5. Bg2 Nd7 6. O-O Nh6 7. d4 O-O 8. e4 c6 9. Rb1 f5 10. dxe5 dxe5 11. b4 f4 12. c5 g5 13. h3 Nf7 14. Nd2 Nf6 15. Nc4 Be6 16. Qxd8 Rfxd8 17. Na5 Rd3 18. Bb2 fxg3 19. fxg3 Rxg3 20. Kh2 Rd3 21. Nxb7 g4 22. Rfd1 Rxd1 23. Rxd1 Bh6 24. Bc1 Bf4+ 25. Bxf4 exf4 26. hxg4 Nxg4+ 27. Kg1 Nfe5 28. Rd6 Bd7 29. Na5 f3 30. Bf1 Rf8 31. Nd1 h5 32. b5 h4 33. bxc6 Bc8 34. c7 f2+ 35. Kh1 Rf3 36. Rd8+ Kg7 37. Rxc8 Rg3 38. Rg8+ Kxg8 39. c8=Q+ Kg7 40. Bg2 h3 41. Qc7+ Kg6 42. Qd6+ Kh5 43. Nxf2 hxg2+ 44. Kg1 Nf3# |
| ECO A15 in 1978 play it! mortensen erling defeats white's ludgate alan in 42 moves | 1. c4 Nf6 2. g3 e5 3. Nc3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Bxc3 8. bxc3 d6 9. d3 h6 10. Qc2 Qe7 11. Be3 Nbd7 12. Rae1 Ne5 13. f3 c5 14. Nb3 exd3 15. exd3 Bf5 16. Nc1 Nxc4 17. Bxc5 Qxe1 18. Rxe1 Rxe1+ 19. Kf2 Rae8 20. Bd4 Nd5 21. Qa4 Nb2 |
| ECO A10 in 2001 play it! mortensen erling defeats white's nielsen poul eri by checkmate in 98 moves | 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 f5 6. e4 Nf6 7. Nge2 O-O 8. O-O Nc6 9. exf5 Bxf5 10. h3 Kh8 11. Be3 Qd7 12. Kh2 Nb4 13. Ne4 c6 14. a3 Na6 15. Nxf6 Bxf6 16. d4 exd4 17. Bxd4 Qg7 18. b4 Nc7 19. Bxf6 Qxf6 20. Nd4 Ne6 21. Nxe6 Bxe6 22. Qxd6 Bxc4 23. Qxf6+ Rxf6 24. Rfc1 Bg8 25. Rc2 Rd8 26. Re1 Rd3 27. Re7 Rf7 28. Re8 Kg7 29. Bf1 Rdf3 30. Kg1 Rd7 31. b5 Rxa3 32. bxc6 bxc6 33. Rxc6 Ra1 34. Rec8 Rdd1 35. R6c7+ Bf7 36. Ra8 Rxf1+ 37. Kg2 Rfc1 38. Raxa7 Rxc7 39. Rxc7 Kf6 40. Rc6+ Ke5 41. Rc7 Bd5+ 42. f3 Ra2+ 43. Kf1 Bxf3 44. Rxh7 Kd4 45. Kg1 Ke3 46. g4 Rg2+ 47. Kh1 Kf2 48. Rf7 Rg1+ 49. Kh2 Rh1# |
