| ECO A04 in 1999 play it! nordahl helge defeats white's tjomsland stig in 82 moves | 1. Nf3 d6 2. d4 Nf6 3. h3 g6 4. c3 Bg7 5. Bf4 O-O 6. e3 c5 7. Qb3 b6 8. d5 e5 9. Bh2 Na6 10. c4 Nc7 11. Nc3 Rb8 12. Be2 a6 13. Qa3 b5 14. b4 e4 15. Nd2 a5 16. bxc5 b4 17. Qxa5 bxc3 18. Nb3 Ra8 19. Qb6 Ra6 20. Qb8 Nd7 21. cxd6 Rxd6 22. Qa7 Ne5 23. O-O Na6 24. Kh1 Rd7 25. Qd4 Nf3 26. Qxe4 Nxh2 27. Kxh2 Re7 28. Qf3 Bf5 29. Nd4 Be4 30. Qg3 Nb4 31. a3 Bxd4 32. exd4 Nc2 33. Ra2 Nxd4 34. Qxc3 Nxe2 35. Rxe2 Bxg2 36. Rxe7 Bxf1 37. Re1 Qc7+ 38. d6 Qxc4 39. Qf3 Bd3 40. Qf6 Bf5 41. Re7 Qf1 |
| ECO A04 in 1999 play it! nordahl helge defeats white's hole oystein by checkmate in 80 moves | 1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. d3 f5 5. c4 Nf6 6. Nc3 O-O 7. Rb1 e5 8. b4 Nc6 9. b5 Ne7 10. Qb3 Kh8 11. c5 e4 12. cxd6 cxd6 13. Nd2 d5 14. O-O Ng4 15. Nd1 Re8 16. Bb2 Nf6 17. Ne3 Neg8 18. dxe4 dxe4 19. Rfd1 Be6 20. Qa4 Nd7 21. Bxg7+ Kxg7 22. Ndc4 Bxc4 23. Nxc4 Nb6 24. Qb3 Qe7 25. Nxb6 axb6 26. a4 Rac8 27. Rbc1 Nf6 28. Qb2 Red8 29. f3 e3 30. f4 Rxc1 31. Qxc1 Rxd1+ 32. Qxd1 Qb4 33. Qa1 Kh6 34. Bxb7 Ne4 35. Bxe4 Qxe4 36. Qa3 Qd4 37. Kg2 Qe4+ 38. Kh3 Kh5 39. Qb3 Qh1 40. Qxe3 Qf1# |
| ECO A04 in 2005 play it! nordahl helge defeats white's harstad christia in 112 moves | 1. Nf3 d6 2. c4 g6 3. g3 Bg7 4. Bg2 f5 5. d4 Nf6 6. Nc3 O-O 7. O-O Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Qb3 Kh8 11. Rd1 h6 12. c5 a6 13. Bd2 g5 14. Na4 e6 15. d6 c6 16. Nb6 Rb8 17. Nxc8 Qxc8 18. Ba5 e4 19. f3 exf3 20. exf3 Qd7 21. Re1 Nd5 22. Rad1 Rbe8 23. Re2 Rf7 24. Qc4 f4 25. Rde1 Ne3 26. Qe4 Rf5 27. gxf4 gxf4 28. Bd2 Rxc5 29. Qxf4 Nc2 30. Rc1 Nd4 31. Ree1 Rxc1 32. Bxc1 e5 33. Qh4 Qxd6 34. f4 Qg6 35. Kh1 exf4 36. Bxf4 Nf5 37. Qf2 Bd4 38. Rxe8+ Qxe8 39. Qd2 Bg7 40. h3 Qe6 41. Qd8+ Kh7 42. b3 Bd4 43. Qc7+ Kg6 44. Bd2 Qe2 45. Qf4 Qd1+ 46. Bf1 Qxf1+ 47. Qxf1 Ng3+ 48. Kg2 Nxf1 49. Kxf1 h5 50. Kg2 Kf5 51. Kf3 b5 52. a4 bxa4 53. bxa4 c5 54. Bh6 c4 55. Bc1 c3 56. Bh6 Bf6 |
| ECO B20 in 2001 play it! nordahl helge defeats white's sollid stein in 112 moves | 1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 a6 5. d4 b5 6. d5 bxc4 7. dxc6 d6 8. Bf4 e5 9. Nxe5 dxe5 10. Qxd8+ Kxd8 11. Bxe5 Be6 12. O-O-O+ Ke8 13. Nd5 Rc8 14. c7 Bxd5 15. exd5 Kd7 16. d6 Nh6 17. h3 f6 18. Bh2 Nf7 19. Rd5 g6 20. Re1 Bh6+ 21. Kd1 Rhe8 22. Re7+ Rxe7 23. dxe7+ Kxe7 24. Rxc5 Bf8 25. Rxc4 Kd7 26. Ra4 Ra8 27. Rd4+ Bd6 28. Bxd6 Nxd6 29. Rh4 h5 30. g4 Rh8 31. gxh5 Rxh5 32. Rg4 g5 33. f4 Kxc7 34. fxg5 fxg5 35. Rg3 Ne4 36. Rf3 Rxh3 37. Rxh3 Nf2+ 38. Ke2 Nxh3 39. Kf3 Nf4 40. Kg4 Ne6 41. b4 Kd6 42. c4 Ke5 43. c5 Kf6 44. a4 Nc7 45. c6 Kg6 46. Kg3 Kf5 47. Kf3 g4+ 48. Kg3 Kg5 49. Kg2 Kf4 50. Kf2 g3+ 51. Kg2 Kg4 52. Kg1 Kf3 53. Kf1 g2+ 54. Kg1 Nd5 55. c7 Nf4 56. c8=Q Ne2+ |
| ECO B55 in 1999 play it! nordahl helge defeats white's arentz roald by checkmate in 64 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+ Nbd7 7. Nf5 d5 8. exd5 a6 9. Bxd7+ Qxd7 10. Ne3 b5 11. O-O Bc5 12. Kh1 Bb7 13. Nc3 Ba7 14. a3 O-O 15. Ng4 Nxg4 16. fxg4 Bd4 17. Qf3 a5 18. Qf5 Qd6 19. Rf3 Bxc3 20. Rxc3 Qxd5 21. Qf2 Qd1+ 22. Qg1 Qxg4 23. Rg3 Qe6 24. Be3 f5 25. Bc5 Rf7 26. Rd1 f4 27. Rgd3 h6 28. Rd8+ Rxd8 29. Rxd8+ Kh7 30. Qd1 f3 31. Qd6 fxg2+ 32. Kg1 Rf1# |
| ECO B50 in 1999 play it! nordahl helge defeats white's adnoy hallvard v in 80 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. h3 Bxf3 7. Qxf3 g6 8. d3 Bg7 9. O-O O-O 10. a4 a6 11. Na3 b5 12. axb5 axb5 13. Bd2 Qb8 14. Qe2 Nd7 15. f4 b4 16. Nc4 bxc3 17. bxc3 Nd4 18. Qd1 Rxa1 19. Qxa1 Nxc2 20. Qa2 Nd4 21. cxd4 Bxd4+ 22. Kh1 Qa8 23. Qc2 Rb8 24. Bc3 Bxc3 25. Qxc3 Qa2 26. Ra1 Rb1+ 27. Rxb1 Qxb1+ 28. Kh2 Qf1 29. Qd2 Nf6 30. e5 Nh5 31. g3 d5 32. Nb6 Qf3 33. Qg2 Qxd3 34. Nxd5 Kf8 35. g4 Ng3 36. Qxg3 Qxd5 37. Qc3 c4 38. Kg3 Qe4 39. g5 Kg8 40. Qf3 Qd4 |
| ECO B51 in 1999 play it! nordahl helge defeats white's gudbrandsen gust in 84 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Nf6 5. Re1 a6 6. Bxd7+ Bxd7 7. d4 cxd4 8. Nxd4 e5 9. Nf5 Nxe4 10. Nxg7+ Bxg7 11. Rxe4 Be6 12. Qh5 Qc7 13. Nc3 O-O-O 14. Bh6 Rhg8 15. Rae1 f5 16. Rb4 Bf6 17. g3 f4 18. Qf3 Rg6 19. Nd5 Bxd5 20. Qxd5 Kb8 21. Bxf4 exf4 22. Rxf4 Qc5 23. Qf3 Be5 24. Rf7 Qb6 25. Re3 Rg7 26. Rf8 Rg8 27. Rf7 Rg7 28. Rf8 Ka7 29. a4 Rxf8 30. Qxf8 Qc7 31. c3 Rf7 32. Qg8 Qe7 33. a5 Qf6 34. Re2 h5 35. Qe8 h4 36. Qa4 hxg3 37. hxg3 Bxg3 38. f3 Be5 39. Qb4 Qg5+ 40. Kf2 Qg3+ 41. Ke3 Qxf3+ 42. Kd2 Bf4+ |
| ECO B92 in 1991 play it! nordahl helge defeats white's hjoberg stian in 64 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. Qd2 b5 10. Nd5 Bb7 11. Bb6 Qd7 12. Nc7 Nxe4 13. Qd1 Qc6 14. Nxa8 Bxa8 15. Ba7 d5 16. O-O Nd7 17. f3 Ng5 18. Be3 d4 19. Bd2 Qg6 20. Kh1 Bd6 21. Bd3 f5 22. Bxg5 Qxg5 23. Rf2 e4 24. fxe4 Qh4 25. Qg1 Bxh2 26. Qxh2 Qxf2 27. Rf1 Qe3 28. exf5 Rf6 29. Rf4 Rh6 30. Qxh6 gxh6 31. Rg4+ Kf7 32. Rxd4 Qh3+ |
| ECO B41 in 1995 play it! nordahl helge defeats white's pedro aderato in 46 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 O-O 7. O-O e5 8. Nf3 d6 9. h3 h6 10. Ne2 Nc6 11. c4 Be6 12. a3 Ba5 13. Be3 Bb6 14. Bd2 Nh5 15. g4 Nf6 16. Ng3 h5 17. Bg5 hxg4 18. Nh5 gxf3 19. Qxf3 Nd4 20. Qg2 Nxh5 21. Bxd8 Raxd8 22. Kh2 Nf4 23. Qg3 Bxh3 |
| ECO B23 in 1998 play it! nordahl helge defeats white's hjort jens lunna in 88 moves | 1. e4 c5 2. Nc3 d6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. Qf3 Qc7 10. Qg3 Nc6 11. Nxc6 Qxc6 12. Re1 Bb7 13. f3 O-O 14. Bh6 Ne8 15. Kh1 Bf6 16. Rad1 Kh8 17. Bg5 Bxg5 18. Qxg5 Nf6 19. Ne2 Qb6 20. Nd4 Nd7 21. c3 Ne5 22. Bc2 Rac8 23. f4 Nc4 24. Rd3 Qd8 25. Qh5 g6 26. Qh6 Qf6 27. f5 e5 28. Nf3 Qg7 29. Qh4 f6 30. b3 Na3 31. Bd1 gxf5 32. Rxd6 fxe4 33. Nd2 Qg5 34. Qxg5 fxg5 35. Re6 Rcd8 36. Nf1 Rf2 37. Rxe5 Rxa2 38. Rxg5 Ra1 39. Ne3 Nc2 40. Nxc2 Rdxd1 41. h4 Rxe1+ 42. Nxe1 Rxe1+ 43. Kh2 Rd1 44. Rc5 Rd7 |
| ECO B92 in 1995 play it! nordahl helge defeats white's madsen peder in 57 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. f4 Qc7 11. f5 Bc4 12. Bg5 Nbd7 13. Kh1 Rfc8 14. Nd2 Bxe2 15. Qxe2 b5 16. axb5 axb5 17. Rxa8 Rxa8 18. Rc1 b4 19. Nb5 Qb6 20. c4 bxc3 21. bxc3 Nc5 22. c4 h6 23. Bxf6 Bxf6 24. Nf3 Nb3 25. Rd1 Nd4 26. Qd3 Qc5 27. Rb1 Ra4 28. Nfxd4 exd4 29. Nxd4 |
| ECO B90 in 2001 play it! nordahl helge defeats white's wilsbeck jan bor in 44 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 7. Nb3 g6 8. f3 Bg7 9. Be3 O-O 10. Qe2 Be6 11. Rd1 b5 12. g4 Qc8 13. Qg2 Rd8 14. g5 Nh5 15. Nd5 Bxd5 16. exd5 Ne5 17. c3 Nxd3+ 18. Rxd3 Qf5 19. Qd2 Qxf3 20. Rf1 Qe4 21. Na5 e5 22. Nc6 Nf4 |
| ECO B99 in 2006 play it! nordahl helge defeats white's roth josef in 76 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bxf6 Nxf6 11. g4 b5 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. a3 Bd7 17. Rg1 h5 18. Rg3 Rb8 19. b4 Nb7 20. Rd3 Nd8 21. Qe2 Nc6 22. Nxc6 Bxc6 23. Nd5 Qb7 24. Bh3 Kd8 25. Rg7 Bxg7 26. fxg7 Rg8 27. Nf6 Rxg7 28. Qxh5 Rg1+ 29. Kb2 Qe7 30. e5 d5 31. Qf3 a5 32. Qe3 Rg6 33. bxa5 b4 34. axb4 Rxb4+ 35. Rb3 Ba4 36. Rxb4 Qxb4+ 37. Ka2 Qxa5 38. Qa3 Rg1 |
| ECO B41 in 1999 play it! nordahl helge defeats white's sagafos magne in 92 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5 7. Nf5 O-O 8. O-O Bxc3 9. bxc3 d5 10. Ng3 Bg4 11. f3 Be6 12. Qe1 Nc6 13. Be3 Rc8 14. Kh1 Re8 15. Qf2 b6 16. Rfd1 Qe7 17. Ba6 Rc7 18. a4 Rd8 19. Bb5 Na5 20. Bc1 Nc4 21. Qe2 dxe4 22. Rxd8+ Qxd8 23. Nxe4 Nxe4 24. fxe4 h6 25. Be3 Nxe3 26. Qxe3 Qc8 27. Ra3 Qf8 28. Ra1 Qc5 29. Qxc5 Rxc5 30. Ra3 Bc4 31. Bd7 Be2 32. Kg1 Bd1 33. a5 Rxa5 34. Rxa5 bxa5 35. Ba4 Kf8 36. Kf2 Ke7 37. Ke1 Bg4 38. c4 Kd6 39. Kd2 Kc5 40. Kc3 a6 41. Bb3 Bd7 42. Ba2 Bc6 43. Kd3 f6 44. c3 Bd7 45. h4 a4 46. g3 Be6 |
| ECO B90 in 2006 play it! nordahl helge defeats white's shirjaev alexand in 96 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. Qf3 Qc7 10. Qg3 Nc6 11. Be3 Bb7 12. Rad1 b4 13. Na4 Nxd4 14. Bxd4 Bxe4 15. f3 Bg6 16. Nb6 Rd8 17. Ba4+ Kf8 18. Rfe1 h5 19. c3 e5 20. Be3 bxc3 21. bxc3 d5 22. Bb3 h4 23. Qf2 Qc6 24. Na4 Rh5 25. Bc5 Bxc5 26. Nxc5 Rc8 27. Na4 e4 28. f4 h3 29. g3 Bf5 30. Rd4 Be6 31. Qd2 Kg8 32. Rf1 g6 33. Rb4 d4 34. Rb6 dxc3 35. Rxc6 cxd2 36. Rxe6 fxe6 37. Bxe6+ Kg7 38. Bxc8 e3 39. Bxa6 Ra5 40. Be2 Rxa4 41. Ra1 Ne4 42. a3 Nc3 43. Kf1 g5 44. fxg5 Ra8 45. Bg4 Rf8+ 46. Kg1 e2 47. Bxe2 Nxe2+ 48. Kh1 Nc1 |
| ECO B22 in 1993 play it! nordahl helge defeats white's sidorenko alexei in 102 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. dxc5 Qxc5 6. Be3 Qa5 7. Qb3 Nf6 8. h3 e6 9. Nf3 Bc5 10. Bxc5 Qxc5 11. Qa3 Ne4 12. Qxc5 Nxc5 13. Nbd2 O-O 14. Nb3 Nxb3 15. axb3 e5 16. Bb5 e4 17. Bxc6 bxc6 18. Nd4 c5 19. Nc6 Bd7 20. Ne7+ Kh8 21. O-O Rfb8 22. Ra3 Be6 23. Rfa1 Rxb3 24. Rxb3 Bxb3 25. Ra5 c4 26. Nc6 a6 27. Nd4 g6 28. Nxb3 cxb3 29. Ra3 Rd8 30. Rxb3 Rd1+ 31. Kh2 Rd2 32. Kg3 g5 33. c4 Rc2 34. Rb7 Kg7 35. b3 h5 36. Rb6 f5 37. Rxa6 f4+ 38. Kh2 Rxf2 39. Re6 f3 40. Rxe4 Rxg2+ 41. Kh1 Rg3 42. Rd4 Rxh3+ 43. Kg1 g4 44. Rf4 Rg3+ 45. Kh1 Rg2 46. c5 Rc2 47. b4 Kg6 48. b5 Rxc5 49. Kh2 Rxb5 50. Rf8 Rf5 51. Rg8+ Kf7 |
| ECO B23 in 2002 play it! nordahl helge defeats white's moen ole christi in 38 moves | 1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. a3 d6 5. Bc4 Be7 6. Nd5 Nf6 7. Nxe7 Qxe7 8. d3 Bg4 9. c3 h6 10. h3 Be6 11. Bxe6 Qxe6 12. O-O O-O 13. Re1 Rad8 14. b4 c4 15. d4 d5 16. b5 dxe4 17. bxc6 exf3 18. cxb7 e4 19. Bf4 Nd5 |
| ECO B51 in 1999 play it! nordahl helge defeats white's gudbrandsen gust in 84 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. Re1 a6 6. Bxd7+ Bxd7 7. d4 cxd4 8. Nxd4 e5 9. Nf5 Nxe4 10. Nxg7+ Bxg7 11. Rxe4 Be6 12. Qh5 Qc7 13. Nc3 O-O-O 14. Bh6 Rhg8 15. Rae1 f5 16. Rb4 Bf6 17. g3 f4 18. Qf3 Rg6 19. Nd5 Bxd5 20. Qxd5 Kb8 21. Bxf4 exf4 22. Rxf4 Qc5 23. Qf3 Be5 24. Rf7 Qb6 25. Re3 Rg7 26. Rf8 Rg8 27. Rf7 Rg7 28. Rf8 Ka7 29. a4 Rxf8 30. Qxf8 Qc7 31. c3 Rf7 32. Qg8 Qe7 33. a5 Qf6 34. Re2 h5 35. Qe8 h4 36. Qa4 hxg3 37. hxg3 Bxg3 38. f3 Be5 39. Qb4 Qg5+ 40. Kf2 Qg3+ 41. Ke3 Qxf3+ 42. Kd2 Bf4+ |
| ECO B90 in 2005 play it! nordahl helge defeats white's bogner sebastian in 76 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Qf3 Bb7 9. Bg5 h6 10. Bh4 Nbd7 11. O-O-O Nc5 12. Rhe1 Be7 13. Qh3 Nfxe4 14. Nxe4 Bxe4 15. Bxe7 Qxe7 16. f3 Nxb3+ 17. axb3 Bd5 18. Nf5 Qg5+ 19. Kb1 O-O 20. Nxd6 Rfd8 21. Ne4 Bxe4 22. fxe4 Qf4 23. Rxd8+ Rxd8 24. Qg3 Qxg3 25. hxg3 Rd2 26. c4 Kf8 27. Kc1 Rd3 28. c5 Ke7 29. b4 Rxg3 30. Rd1 Rb3 31. Rd4 e5 32. Kc2 Rxb2+ 33. Kxb2 exd4 34. Kc2 Ke6 35. Kd2 h5 36. g3 g5 37. Ke2 h4 38. gxh4 gxh4 |
| ECO B50 in 1992 play it! nordahl helge defeats white's hellsten johan in 110 moves | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 e6 5. O-O Be7 6. Re1 b6 7. e5 Nd5 8. Qa4+ Bd7 9. Qg4 dxe5 10. Nxe5 Bf6 11. Bf3 Bc6 12. d4 cxd4 13. cxd4 Ne7 14. Nc3 O-O 15. Ne4 Bxe4 16. Bxe4 Nd5 17. Nxf7 Rxf7 18. Qxe6 Nc7 19. Qh3 g6 20. Bf4 Nd5 21. Bxd5 Qxd5 22. Re8+ Rf8 23. Rxf8+ Kxf8 24. Qxh7 g5 25. Qh6+ Kf7 26. Qh5+ Kg7 27. h4 Qf5 28. Qf3 Qxf4 29. Qxa8 Bxd4 30. Qb7+ Kg6 31. h5+ Kh6 32. Rf1 g4 33. g3 Qxg3+ 34. Qg2 Qxg2+ 35. Kxg2 Kxh5 36. b3 Nc6 37. f3 Nb4 38. fxg4+ Kxg4 39. Rc1 Bc5 40. Rc4+ Kf5 41. a4 Nc6 42. Kf1 Ke5 43. Rh4 Nd4 44. Rh3 Bb4 45. Kf2 Kd5 46. Rd3 Bd6 47. Ke3 Be5 48. Kd2 Kc5 49. Kd1 Kb4 50. Re3 Bd6 51. Rd3 Bc5 52. Kc1 Nxb3+ 53. Kb2 Na5 54. Rd7 a6 55. Ra7 Nc4+ |