| ECO A05 in 2004 play it! olsen heini defeats white's bjarnason saevar in 58 moves | 1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. e3 Nc6 9. Qe2 d5 10. cxd5 Nxd5 11. Bxg7 Kxg7 12. Rd1 Qc7 13. d3 Rad8 14. Qb2+ Kg8 15. a3 e5 16. Nc3 Nxc3 17. Qxc3 Qe7 18. Nxe5 Nxe5 19. Bxb7 Rd7 20. Be4 Rfd8 21. d4 Qf6 22. Kg2 Ng4 23. Qc2 cxd4 24. exd4 Rxd4 25. Rxd4 Rxd4 26. Qe2 Rxe4 27. Qxe4 Qxf2+ 28. Kh3 Qxh2+ 29. Kxg4 f5+ |
| ECO A05 in 2000 play it! olsen heini defeats white's pedersen finn in 96 moves | 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 e5 7. d3 Nh5 8. Nc3 f5 9. Qd2 c6 10. O-O-O Na6 11. d4 e4 12. Ne1 Qe7 13. Nc2 Bd7 14. f4 Nf6 15. e3 Nc7 16. Kb1 Rfc8 17. Rc1 Rab8 18. Bf1 b5 19. b4 bxc4 20. Bxc4+ Be6 21. Bxe6+ Qxe6 22. Ka1 Ncd5 23. Nxd5 Nxd5 24. Rb1 Nb6 25. Qc3 Qd5 26. Qb3 Qxb3 27. axb3 Nd5 28. Ba3 c5 29. bxc5 dxc5 30. Rb2 cxd4 31. exd4 Rc3 32. Rhb1 Rbc8 33. Nb4 Nxb4 34. Bxb4 Bxd4 35. Bxc3 Bxc3 36. Ka2 Bxb2 37. Kxb2 Kf7 38. Ra1 Rc7 39. Ra6 Ke7 40. h4 Kf7 41. h5 Kg7 42. hxg6 hxg6 43. Ra1 Kf6 44. Ra6+ Kf7 45. Ra5 Ke6 46. b4 Kd6 47. Kb3 e3 48. Kb2 Re7 |
| ECO A22 in 2004 play it! olsen heini defeats white's bukal vladimir in 46 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d3 d5 8. cxd5 Nxd5 9. Qc2 O-O 10. Be2 Ndb4 11. Qc3 Bg4 12. a3 Nxd3+ 13. Bxd3 e4 14. Qc4 Bxf3 15. gxf3 exd3 16. Qxd3 Rad8 17. Qe4 Qf6 18. O-O Rfe8 19. Qf4 Qxf4 20. exf4 Nd4 21. Be3 Nxf3+ 22. Kh1 b6 23. Rfc1 Rxe3 |
| ECO A27 in 1999 play it! olsen heini defeats white's lund esben in 78 moves | 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Nf6 6. e3 h6 7. Nh3 g5 8. f3 exf3 9. gxf3 d6 10. Nf2 Bg7 11. Be2 Qe7 12. Qd3 Be6 13. Bd2 O-O-O 14. d5 Ne5 15. Qc2 Bd7 16. O-O-O Rde8 17. Rhg1 Rhf8 18. h3 f4 19. exf4 gxf4 20. c5 dxc5 21. Bxf4 Nh5 22. d6 cxd6 23. Bh2 Bc6 24. Nfe4 Rd8 25. Nd5 Qf7 26. f4 Bxd5 27. Nxd6+ Rxd6 28. fxe5 Rd7 29. Bg4 Be6 30. Rxd7 Kxd7 31. Qd1+ Kc8 32. Bxh5 Qc7 33. Bg4 Bf5 34. Bxf5+ Rxf5 35. Qg4 Qd7 36. Qxg7 Rf1+ 37. Kc2 Rf2+ 38. Kb3 Qd3+ 39. Ka4 Qc4+ |
| ECO A02 in 2007 play it! olsen heini defeats white's rugholm lars in 54 moves | 1. f4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 c5 6. Be2 b6 7. O-O Bb7 8. Qe1 d5 9. d4 Nbd7 10. Nbd2 a5 11. a4 e6 12. Ne5 Ne8 13. Bb5 Ndf6 14. Ndf3 Nd6 15. Bd3 Nfe4 16. Rd1 Qc7 17. Ba3 Rac8 18. dxc5 bxc5 19. c4 Rfd8 20. Bb2 Qb6 21. Bc2 f6 22. Nd3 dxc4 23. bxc4 Nxc4 24. Ba1 Na3 25. Bb1 Ba6 26. Qh4 Nxb1 27. Rxb1 Qc6 |
| ECO A01 in 1993 play it! olsen heini defeats white's sigfried from in 44 moves | 1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. d4 e5 7. dxe5 Nfd7 8. Nf3 dxe5 9. Qd2 e4 10. Ng1 e3 11. fxe3 Ne5 12. Qxd8 Rxd8 13. Nd2 Na6 14. O-O-O Ng4 15. Bxg7 Kxg7 16. Ne4 Rxd1+ 17. Kxd1 f5 18. h3 Nxe3+ 19. Kd2 Nxg2 20. Ng5 h6 21. N5f3 f4 22. Rh2 Ne3 |
| ECO B22 in 1995 play it! olsen heini defeats white's petersen steen in 82 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. O-O Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd6 11. Rc1 O-O 12. Qa4 Rfd8 13. Rfd1 Qb4 14. Qc2 Bf5 15. Qd2 Ne4 16. Nxe4 Bxe4 17. a3 Qxd2 18. Nxd2 Bd5 19. b4 Bf6 20. Nf3 a6 21. Kf1 Rd7 22. Ne1 Bb3 23. Rd3 Ba4 24. Nf3 Rad8 25. Rd2 h6 26. Rc4 Ne7 27. Rc5 Nf5 28. Ra5 Bc6 29. b5 axb5 30. Bxb5 Rd5 31. a4 b6 32. Ra7 Bxb5+ 33. axb5 Rxb5 34. g4 Ne7 35. Rc7 Nd5 36. Rc6 Rb3 37. Ke2 Ra8 38. Ne5 Bxe5 39. dxe5 Ra1 40. Rc8+ Kh7 41. h4 Ra4 |
| ECO B26 in 2007 play it! olsen heini defeats white's hansen lars bo d in 100 moves | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Nd5 Nf6 8. Nxf6+ Bxf6 9. Ne2 O-O 10. O-O Bg7 11. c3 b6 12. Qd2 Qc7 13. f4 exf4 14. Bxf4 Ba6 15. Rad1 Rae8 16. Bh6 Bxh6 17. Qxh6 Ne5 18. Nf4 Bb7 19. Bh3 Qe7 20. c4 f5 21. Nd5 Bxd5 22. cxd5 Nf7 23. Qh4 Qxh4 24. gxh4 fxe4 25. Be6 Kg7 26. dxe4 Ne5 27. h5 Rf3 28. Kg2 Ref8 29. Rxf3 Rxf3 30. Re1 Rf4 31. h3 g5 32. Bf5 h6 33. Rf1 Rxf1 34. Kxf1 Nd3 35. b3 Kf6 36. a3 Ke5 37. Bg6 Nf4 38. Bf5 Nxd5 39. Ke2 Ne7 40. Bh7 Kf6 41. Kf3 Kg7 42. e5 d5 43. Bc2 Kf7 44. h4 gxh4 45. Bd3 Ke6 46. Kf4 h3 47. Bf1 h2 48. Bh3+ Nf5 49. Bg2 b5 50. b4 c4 |
| ECO B90 in 1995 play it! olsen heini defeats white's olesen martin de in 64 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 dxe5 10. fxe5 Nfd7 11. Bf4 b5 12. Qg4 Bb7 13. O-O-O h5 14. Qh3 g5 15. Nxe6 fxe6 16. Bxe6 Qe7 17. Bxd7+ Nxd7 18. e6 Nc5 19. Qf5 Qh7 20. Qe5 gxf4 21. Rd7 Be7 22. Rxe7+ Kxe7 23. Qxc5+ Ke8 24. Rd1 Rd8 25. Rxd8+ Kxd8 26. Qd6+ Kc8 27. Nd5 Bxd5 28. Qxd5 Qb7 29. Qe5 Re8 30. Qxh5 Qc6 31. b3 Qxe6 32. Qc5+ Kb7 |
| ECO C90 in 2000 play it! olsen heini defeats white's samuelsen carl e in 82 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. h3 Na5 9. c3 Nxb3 10. Qxb3 Be6 11. Qd1 Nd7 12. d4 c6 13. Nbd2 O-O 14. Nf1 f6 15. Ng3 Qc7 16. Nh4 g6 17. Bh6 Rfe8 18. Ngf5 Bf8 19. Bxf8 Nxf8 20. Ne3 Qf7 21. b3 Rad8 22. Nf3 Bc8 23. Qc2 Ne6 24. d5 cxd5 25. Nxd5 Bb7 26. Rad1 Nc7 27. c4 Nxd5 28. exd5 Rc8 29. Qd3 Rc5 30. Nd2 f5 31. Qb1 Rc7 32. a4 Rec8 33. Rc1 Qd7 34. axb5 axb5 35. Qa2 Bxd5 36. Qa5 Be6 37. f4 e4 38. Rb1 bxc4 39. bxc4 Rc5 40. Qa6 R5c6 41. Qb5 Qa7+ |
| ECO C47 in 1995 play it! olsen heini defeats white's adamski andrzej in 84 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Bd6 12. Rfe1 Rb8 13. Rab1 h6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. Ne2 Be5 17. b3 Be6 18. f4 Bd6 19. Nd4 Bd7 20. Bf5 Be8 21. g3 Bb4 22. Re3 c5 23. Nf3 Bc6 24. Re7 Rb7 25. Rxb7 Bxb7 26. Ne1 Re8 27. Nd3 Bc3 28. b4 c4 29. Nc5 Ba8 30. Na4 Bd2 31. c3 Re2 32. Bg4 Be3+ 33. Kf1 Rxa2 34. Nb2 d4 35. Nxc4 Be4 36. Nxe3 Bxb1 37. cxd4 Rxh2 38. Be2 Kf8 39. d5 Ke7 40. Nc4 Be4 41. d6+ Kd7 42. b5 Bd5 |
| ECO C77 in 2007 play it! olsen heini defeats white's mortensen erling in 104 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O O-O 8. Re1 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 h6 13. Ne3 Re8 14. d4 Bf8 15. d5 Ne7 16. a4 Bd7 17. Nh4 Kh8 18. Rf1 Neg8 19. Nhf5 g6 20. Ng3 Bg7 21. f4 exf4 22. Rxf4 Qe7 23. Qf1 Rf8 24. Nh1 Rae8 25. Nf2 Nh5 26. Rf3 Nhf6 27. Bd2 Nh7 28. Ned1 Qh4 29. axb5 Be5 30. h3 Ng5 31. Bxg5 hxg5 32. Ne3 axb5 33. Ra7 Re7 34. Nfg4 Bxg4 35. Rxe7 Bxf3 36. Rxe5 dxe5 37. Qxf3 Qf4 38. Qe2 Nf6 39. Nf1 c4 40. Qe1 g4 41. g3 Qh6 42. h4 Rb8 43. Qf2 Kg7 44. Qa7 Qh8 45. Qc7 Qe8 46. Ne3 Ra8 47. d6 Qd7 48. Qxd7 Nxd7 49. Bd1 Ra6 50. Bxg4 Rxd6 51. Bxd7 Rxd7 52. Nd5 f5 |
| ECO C77 in 2005 play it! olsen heini defeats white's gullaksen eirik in 50 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. Nc3 d6 8. a3 Be6 9. Bxe6 fxe6 10. O-O O-O 11. d4 Nxd4 12. Nxd4 exd4 13. Qxd4 Nd7 14. Be3 Bf6 15. Qd2 Ne5 16. b3 Ng4 17. Bd4 Bxd4 18. Qxd4 Qh4 19. h3 Ne5 20. Qe3 Rf3 21. Qe1 Rxh3 22. gxh3 Nf3+ 23. Kg2 Nxe1+ 24. Raxe1 Qg5+ 25. Kh1 Rf8 |
| ECO C85 in 1995 play it! olsen heini defeats white's hansen madssmith in 82 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Qe1 Be6 8. b3 Nd7 9. Bb2 Bd6 10. d4 f6 11. Qe3 O-O 12. Nbd2 Qe8 13. Rfe1 Qh5 14. Nf1 Rae8 15. Ng3 Qf7 16. Rad1 Bg4 17. h3 exd4 18. Bxd4 f5 19. Ng5 Qg6 20. exf5 Bxf5 21. Qd2 Bxc2 22. Rxe8 Rxe8 23. Re1 Rxe1+ 24. Qxe1 Nf8 25. Qd2 Qd3 26. Qxd3 Bxd3 27. Nh5 h6 28. Nf3 Ne6 29. Bb2 a5 30. Ng3 Bb1 31. a3 Bc2 32. Nd2 b6 33. Ngf1 Nc5 34. b4 axb4 35. axb4 Nd3 36. Bc3 b5 37. Ne3 Nxb4 38. Nf3 Nd5 39. Bd2 Bg6 40. Nd4 Ne7 41. Nb3 Be8 |
| ECO C57 in 1974 play it! olsen heini defeats white's green ewen m in 34 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bxb5 Qxd5 7. Bxc6+ Qxc6 8. O-O Bc5 9. d3 O-O 10. Nc3 Bb7 11. Nf3 Rfe8 12. Re1 Ng4 13. Ne4 Bb6 14. h3 Nf6 15. Nxf6+ Qxf6 16. b3 e4 17. dxe4 Qxa1 |
| ECO B17 in 2007 play it! olsen heini defeats white's thuesen mogens in 44 moves | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. c3 Qc7 11. a3 Bd7 12. Ne5 cxd4 13. cxd4 Bxa3 14. Rxa3 Qxc1+ 15. Bd1 Nbd5 16. Nxd7 Nxd7 17. Qb5 a6 18. Qxb7 Rb8 19. Qxa6 Rxb2 20. Rd3 Nb4 21. Qa8+ Ke7 22. Qa3 Ra8 |
| ECO B12 in 1995 play it! olsen heini defeats white's greger roland in 78 moves | 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 e6 6. Be3 Ne7 7. Nf3 Nf5 8. b4 Nxe3 9. fxe3 Bd7 10. Bxc6 Bxc6 11. O-O Be7 12. Nbd2 Qc7 13. Qe1 O-O 14. Nb3 b6 15. cxb6 axb6 16. Nbd4 Ra3 17. Rf2 Bd7 18. e4 dxe4 19. Qxe4 Qc3 20. Raf1 Qxb4 21. Qb7 Bc8 22. Qc7 Rc3 23. Nc6 Bc5 24. Ng5 Bxf2+ 25. Rxf2 Rxc6 26. Qxc6 Qe1+ 27. Rf1 Qe3+ 28. Kh1 Qxg5 29. Qxb6 Qxe5 30. a4 Qd5 31. Rb1 Bd7 32. c4 Qxc4 33. a5 Bc8 34. h3 Ba6 35. Rd1 h6 36. Rd6 Qf1+ 37. Kh2 Rc8 38. Qd4 Bb7 39. Qg4 Rc2 |
| ECO B14 in 2000 play it! olsen heini defeats white's brekka martin in 103 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 O-O 9. Bd3 Nc6 10. O-O Nf6 11. Be3 Qa5 12. Ne4 Be7 13. Nxf6+ Bxf6 14. Qc2 h6 15. a3 Bd7 16. b4 Qd8 17. Qc5 Ne7 18. Qh5 Nf5 19. Bxf5 exf5 20. Ne5 Be6 21. Rac1 Qd6 22. Qf3 Bxe5 23. dxe5 Qxe5 24. Rfe1 Bd5 25. Qf4 Qxf4 26. Bxf4 Rfe8 27. f3 Rxe1+ 28. Rxe1 Rc8 29. Rc1 Re8 30. Kf2 Re7 31. Rc5 Rd7 32. Rc7 Rd8 33. Be3 a6 34. Rc1 Bc6 35. Rc3 Kh7 36. h3 g5 37. f4 f6 38. a4 Kg6 39. a5 Rd1 40. Rc2 Rb1 41. Bc5 Rd1 42. Be3 Rb1 43. Bc5 gxf4 44. Bd6 f3 45. gxf3 Rb3 46. f4 Rxh3 47. Re2 Rd3 48. Bc7 h5 49. Re3 Rd2+ 50. Re2 Rd4 51. Ke3 Rxb4 52. Rd2 |
| ECO B14 in 2004 play it! olsen heini defeats white's dalso harry in 47 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. Bd3 b6 9. b4 a5 10. a3 axb4 11. Na4 bxc5 12. dxc5 bxa3 13. O-O Ba6 14. Rxa3 Bxd3 15. Qxd3 Nc6 16. Qb5 Qc7 17. Nb6 Ra7 18. Bb2 Ne4 19. Rc1 h6 20. Rxa7 Nxa7 21. Qa4 Bxc5 22. Nd7 Bxf2+ 23. Kf1 Qf4 24. Rc7 |
| ECO B13 in 1999 play it! olsen heini defeats white's naes flovin tor in 48 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e5 7. dxe5 Nxe5 8. Nf3 Bd6 9. O-O O-O 10. Bc2 Qc7 11. Bg5 Ne4 12. Bxe4 dxe4 13. Nxe5 Bxe5 14. Qd5 Re8 15. Nd2 Bd7 16. Be3 Rad8 17. Qb3 Bc6 18. Rfe1 Rd3 19. Re2 Qd7 20. Nc4 Bb8 21. Nd2 Rd6 22. g3 Rg6 23. Kg2 Bxg3 24. Ree1 Bf4+ |