| ECO A04 in 2006 play it! nielsen peter he defeats white's abatzidis stelio in 78 moves | 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. d3 Nge7 7. a3 O-O 8. Rb1 a5 9. O-O d6 10. Bd2 h6 11. h3 Be6 12. Kh2 f5 13. Ne1 Kh7 14. Nc2 d5 15. cxd5 Nxd5 16. Ne3 Nde7 17. b3 b6 18. Nc4 Rb8 19. a4 Rb7 20. Nb5 Rd7 21. Qc2 f4 22. Rbe1 Kh8 23. Be4 g5 24. e3 f3 25. Bc3 Nd5 26. Rd1 Ncb4 27. Qb1 Qe8 28. Rh1 Bxh3 29. Kg1 Bg4 30. Bb2 Qe6 31. Rd2 Kg8 32. Qa1 Re8 33. Qd1 Red8 34. Bxf3 Bxf3 35. Qxf3 Nxd3 36. Qe2 e4 37. Bxg7 Kxg7 38. Kg2 Rf8 39. Rdd1 Rxf2+ |
| ECO A07 in 2004 play it! nielsen peter he defeats white's espig lutz in 72 moves | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Nc4 Nd5 11. Bb2 Nb6 12. Qe2 Na4 13. Nfe5 Nxe5 14. Nxe5 Bxe5 15. dxe5 Be6 16. c4 Qb6 17. Rab1 Qa6 18. Rfc1 Nb6 19. Bf1 Rfd8 20. Rc3 Rd7 21. Rbc1 Qa4 22. Ra3 Qc6 23. e4 Rad8 24. Qe3 Rd1 25. Rxd1 Rxd1 26. Qe2 Qd7 27. Rd3 Rxd3 28. Qxd3 Qxd3 29. Bxd3 Bxc4 30. Bb1 Na4 31. Ba1 b5 32. Bc2 Nb6 33. a3 a5 34. f4 b4 35. axb4 axb4 36. Kf2 b3 |
| ECO A07 in 2002 play it! nielsen peter he defeats white's miroshnichenko e in 74 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O g6 5. d3 Bg7 6. Nbd2 O-O 7. e4 a5 8. Re1 a4 9. a3 Na6 10. e5 Ne8 11. d4 c5 12. c3 cxd4 13. cxd4 Nb8 14. Nb1 Nc6 15. Nc3 Qa5 16. Be3 Nc7 17. Qd2 Bg4 18. h3 Bxf3 19. Bxf3 e6 20. Rac1 Nb5 21. h4 Nxc3 22. bxc3 Ne7 23. g4 Rfc8 24. Kg2 Rc6 25. Bg5 Qc7 26. h5 Rc8 27. hxg6 Nxg6 28. Re3 h6 29. Bf6 Bxf6 30. exf6 Qf4 31. Be2 Qxf6 32. Bb5 Rb6 33. Bxa4 Qg5 34. f3 Rb2 35. Bc2 Qf4 36. Rh1 Rxc2 37. Qxc2 Qxe3 |
| ECO A04 in 1998 play it! nielsen peter he defeats white's bjarnehag peter in 74 moves | 1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 d6 6. O-O Qd7 7. a3 b6 8. e3 Bxc3 9. dxc3 Bb7 10. e4 Na5 11. Qe2 e5 12. b4 Nb3 13. Rb1 Nxc1 14. Rfxc1 Qc7 15. Rd1 Nf6 16. Ne1 O-O 17. Rd2 Rac8 18. b5 h5 19. Rbd1 Rcd8 20. Nc2 h4 21. Rd3 Qe7 22. Ne3 Kg7 23. Qd2 Nxe4 24. Bxe4 Bxe4 25. Rxd6 hxg3 26. fxg3 Rxd6 27. Qxd6 Qg5 28. Nf1 Qf5 29. Rd2 Ba8 30. Qd3 Qxd3 31. Rxd3 f5 32. Rd7+ Rf7 33. Rd8 Be4 34. Nd2 Bc2 35. Nf3 Re7 36. Ne1 Bb3 37. Kf2 Bxc4 |
| ECO A04 in 1995 play it! nielsen peter he defeats white's ivanov timur in 40 moves | 1. Nf3 c5 2. c4 g6 3. e4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. Rab1 Nd7 14. Bf2 a4 15. b4 axb3 16. axb3 Ra3 17. Rfc1 Nc5 18. Bd1 b6 19. b4 Nd7 20. Ra1 Bxc3 |
| ECO A05 in 2003 play it! nielsen peter he defeats white's anastasian ashot in 84 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qd3 c5 12. Nc3 Bc6 13. dxc5 Bxc5 14. Qc4 Nbd7 15. b4 Be7 16. b5 Bxf3 17. Bxf3 Ne5 18. Qf4 Nxf3+ 19. Qxf3 axb5 20. axb5 Rxa1 21. Rxa1 Qb6 22. Be3 Qc7 23. Rc1 Rc8 24. Ne4 Qd7 25. Nxf6+ Bxf6 26. Rxc8+ Qxc8 27. b6 Qd7 28. h4 Qd5 29. Qf4 h5 30. Qc7 Bd8 31. Qc2 Bf6 32. Qa4 Kh7 33. f3 g6 34. Bf2 Kg7 35. Kg2 Be5 36. Qc2 Bf6 37. Qc8 Be7 38. Be1 Bc5 39. Bc3+ e5 40. Qe8 f6 41. Qb5 Qd6 42. f4 Qd5+ |
| ECO A06 in 2002 play it! nielsen peter he defeats white's popov valerij in 80 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. e3 a6 5. Nc3 dxc4 6. Bxc4 b5 7. Bb3 c5 8. O-O Bb7 9. Qe2 Nbd7 10. Rd1 Qb8 11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 Bxd5 14. Rxd5 Be7 15. e4 Qb7 16. Bg5 f6 17. Bf4 O-O 18. Rad1 Nb6 19. R5d2 Rfd8 20. e5 Rxd2 21. Rxd2 Nc4 22. exf6 Bxf6 23. Rc2 Qe7 24. Qxe7 Bxe7 25. Kf1 Nb6 26. Be3 Rc8 27. Ke2 Nd5 28. Bd2 Bf6 29. a4 c4 30. axb5 axb5 31. Bc3 Re8+ 32. Kf1 Be7 33. Nd4 b4 34. Be1 Rc8 35. Ke2 Bf6 36. Nb5 b3 37. Rd2 Nf4+ 38. Kf3 Nd3 39. Nd6 Rd8 40. Nxc4 Nxe1+ |
| ECO A04 in 2001 play it! nielsen peter he defeats white's rosenlund thorbj by checkmate in 110 moves | 1. Nf3 c5 2. c4 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 Nc6 7. O-O Re8 8. d4 cxd4 9. Nxd4 d5 10. cxd5 Nxd4 11. Qxd4 Qxd5 12. Qxd5 Nxd5 13. Bxg7 Kxg7 14. Rc1 Be6 15. Nc3 Nxc3 16. Rxc3 Rac8 17. Rac1 Rxc3 18. Rxc3 Rd8 19. Rc2 Bf5 20. Rb2 Rc8 21. f3 Rc1+ 22. Kf2 g5 23. e4 Bd7 24. g3 Bc6 25. Ke3 Rh1 26. Bc4 e6 27. b4 Rc1 28. Bd3 Ba4 29. b5 Rc3 30. Kd4 Ra3 31. Rd2 a6 32. Kc5 Bxb5 33. Bxb5 axb5 34. Rf2 Kf6 35. Kxb5 Ke5 36. Kb6 Kd4 37. f4 Ke3 38. Rc2 gxf4 39. gxf4 Kxe4 40. Kxb7 h5 41. Kc6 Kxf4 42. Rf2+ Ke5 43. Kc5 f5 44. Re2+ Kf4 45. Kb4 Ra8 46. a4 e5 47. a5 e4 48. Rf2+ Ke5 49. Ra2 e3 50. Kc3 Ke4 51. Kc2 Kf3 52. Kd1 Re8 53. Ke1 Rb8 54. Ra1 Rg8 55. a6 Rg1# |
| ECO A06 in 1993 play it! nielsen peter he defeats white's sorensen torben in 38 moves | 1. Nf3 d5 2. d4 Nf6 3. e3 c5 4. dxc5 e6 5. c4 Bxc5 6. a3 O-O 7. b4 Be7 8. Bb2 dxc4 9. Qxd8 Rxd8 10. Bxc4 b6 11. Nbd2 Bb7 12. Ke2 Nbd7 13. Rhd1 a5 14. bxa5 Rxa5 15. a4 Bc6 16. Bb3 Nc5 17. Nd4 Bxa4 18. Bxa4 Nxa4 19. Rab1 Nd5 |
| ECO A09 in 2000 play it! nielsen peter he defeats white's agopov mikael in 79 moves | 1. Nf3 d5 2. c4 c6 3. b3 Bg4 4. e3 Nd7 5. Bb2 e6 6. h3 Bh5 7. d4 Ngf6 8. Nbd2 Bd6 9. Bd3 O-O 10. Qc2 Qe7 11. Ne5 Bg6 12. Nxg6 hxg6 13. O-O e5 14. e4 dxe4 15. Bxe4 Rfe8 16. dxe5 Bxe5 17. Bd3 Bxb2 18. Qxb2 a5 19. Nf3 a4 20. b4 a3 21. Qb3 Ne5 22. Be2 Nfd7 23. Rac1 c5 24. b5 Nf8 25. Rc3 Ne6 26. Re3 Nd4 27. Qd1 Qf6 28. Nxe5 Rxe5 29. Bf3 Nxf3+ 30. Rxf3 Qe6 31. Qc1 Ra4 32. Rxa3 Rxc4 33. Rc3 Ree4 34. Rd1 Rcd4 35. Kf1 Qxa2 36. Rxd4 Qe2+ 37. Kg1 Rxd4 38. Qa3 b6 39. Qa8+ Kh7 40. Rf3 |
| ECO A05 in 2005 play it! nielsen peter he defeats white's damore carlo ita in 104 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. e4 O-O 8. Re1 b5 9. exd5 Nxd5 10. a4 b4 11. Nb3 Bb7 12. Nfd2 Rc8 13. Qg4 Nd4 14. Nxd4 cxd4 15. Nc4 Nf6 16. Qe2 Bxg2 17. Kxg2 b3 18. cxb3 Rb8 19. Qf3 Rxb3 20. Bg5 Nd7 21. Bxe7 Qxe7 22. Na5 Rxb2 23. Nc6 Qc5 24. Rec1 Qb6 25. a5 Qa6 26. Rc4 Nf6 27. Ne7+ Kh8 28. Qc6 Qxc6+ 29. Nxc6 Ng4 30. Rxd4 Ne3+ 31. Kf3 Nc2 32. Raa4 Nxd4+ 33. Rxd4 Rb7 34. Rd6 g6 35. h4 Kg7 36. Ke4 Rc8 37. d4 Rcc7 38. f3 Rb1 39. Nd8 Rb5 40. Ra6 Rd5 41. g4 h6 42. g5 h5 43. Ke3 Kf8 44. Ke4 Ke7 45. Nc6+ Kd7 46. Ne5+ Kc8 47. Nxf7 Rxf7 48. Rxe6 Rfd7 49. Rxg6 Rxd4+ 50. Ke3 Rxh4 51. Rh6 Rg7 52. g6 Kd8 |
| ECO A30 in 2005 play it! nielsen peter he defeats white's nisipeanu liviud in 78 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. e3 e5 5. b3 g6 6. Be2 Bg7 7. Ba3 d6 8. O-O O-O 9. d3 b6 10. Nd2 Be6 11. Nde4 Nxe4 12. dxe4 Qd7 13. Bf3 a6 14. Qe2 Qb7 15. Rfd1 Rfd8 16. Rab1 Rab8 17. b4 b5 18. cxb5 axb5 19. bxc5 b4 20. Bxb4 Nxb4 21. a3 dxc5 22. Rxd8+ Rxd8 23. axb4 cxb4 24. Nd5 b3 25. Qd1 Rb8 26. h3 b2 27. Qc2 h5 28. g4 h4 29. Kg2 Kh7 30. Qd3 Qa7 31. Qc2 Qa2 32. Nc3 Qc4 33. Be2 Qc5 34. Qd2 Qb4 35. Qd3 Qa5 36. Nd1 Rd8 37. Qb5 Qxb5 38. Bxb5 Bb3 39. Nxb2 Rb8 |
| ECO A13 in 2001 play it! nielsen peter he defeats white's ward christopher in 116 moves | 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Nf6 13. Qh4 c5 14. Bb2 Ne4 15. Qxd8 Rfxd8 16. Rfd1 cxd4 17. Bxd4 f6 18. Rd3 e5 19. Be3 Bb4 20. a3 Be7 21. b4 Rxd3 22. Bxd3 Rd8 23. Ne1 Nc3 24. f3 g6 25. Rc1 Rxd3 26. Nxd3 Ne2+ 27. Kf2 Nxc1 28. Nxc1 Kf7 29. Nd3 Ke6 30. g3 g5 31. Ke2 f5 32. f4 exf4 33. gxf4 g4 34. a4 h5 35. c5 Bf3+ 36. Kf2 Be4 37. cxb6 axb6 38. Ne5 Bc2 39. Bxb6 Bxa4 40. Bc5 Bh4+ 41. Ke3 Kd5 42. Ng6 Bf6 43. Ne5 h4 44. Ba7 h3 45. Kf2 Bh4+ 46. Kg1 Be1 47. Nd3 Bd2 48. Bf2 Bc2 49. Be1 Bxe1 50. Nxe1 Be4 51. Kf2 Kc4 52. Kg3 Kxb4 53. Kf2 Kc3 54. Kg3 Kd2 55. Kf2 g3+ 56. Kxg3 Kxe1 57. Kxh3 Kf2 58. Kh4 Kg2 |
| ECO A10 in 1998 play it! nielsen peter he defeats white's petersen nils in 64 moves | 1. c4 g6 2. Nc3 Bg7 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 O-O 7. O-O c5 8. d4 Nxc3 9. bxc3 Nc6 10. e3 Qa5 11. Qd2 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bb2 Be6 15. Rfb1 Rad8 16. Qc2 b6 17. a4 Rd6 18. Rd1 Rfd8 19. Rxd6 Rxd6 20. Rc1 Bg7 21. Bf3 h5 22. Rd1 Rxd1+ 23. Bxd1 a6 24. Qd2 b5 25. axb5 axb5 26. Be2 Kh7 27. Kf1 c4 28. Qc1 Qa8 29. f3 Qa2 30. Qa1 Qxa1+ 31. Bxa1 b4 32. Ke1 bxc3 |
| ECO A15 in 2001 play it! nielsen peter he defeats white's bjarnason saevar in 64 moves | 1. c4 Nf6 2. Nf3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 g6 6. d4 Bg7 7. dxc5 O-O 8. O-O Na6 9. c6 bxc6 10. Nbd2 Rb8 11. Nc4 Be6 12. Nd4 Qc8 13. Nxe6 Qxe6 14. Qc2 Rfd8 15. a3 Nc5 16. Na5 Rb5 17. Bd2 Qxe2 18. Nxc6 Ne3 19. Bxe3 Qxc2 20. Rac1 Qxb2 21. Bxc5 Rd2 22. Nxe7+ Kh8 23. Bxa7 Bd4 24. Rc8+ Kg7 25. Bxd4+ Qxd4 26. Rg8+ Kf6 27. Nc6 Qc5 28. Nb4 Ra5 29. Re8 Rxa3 30. Re4 Kg7 31. Rf4 Rb3 32. Nc6 Rb6 |
| ECO A15 in 2002 play it! nielsen peter he defeats white's perez rodney in 96 moves | 1. c4 Nf6 2. g3 c6 3. b3 d5 4. Bb2 Bg4 5. Bg2 Nbd7 6. h3 Bh5 7. cxd5 cxd5 8. Nf3 e6 9. O-O Bd6 10. Nc3 O-O 11. d3 Qa5 12. Qd2 Rfc8 13. Rfc1 a6 14. Ne4 Bb4 15. Nxf6+ Nxf6 16. Qg5 h6 17. Qh4 Bc3 18. b4 Bxb4 19. Rxc8+ Rxc8 20. Bxf6 Bxf3 21. Bxf3 gxf6 22. Rb1 Bf8 23. Qxf6 b5 24. Bh5 Qc7 25. Qf3 Bg7 26. Rb4 f5 27. Kg2 Qc1 28. a4 Qd2 29. Rf4 Kh8 30. axb5 Qe1 31. Qe3 Rc1 32. Qxc1 Qxc1 33. bxa6 Qa3 34. d4 Qxa6 35. e3 Qd6 36. g4 fxg4 37. hxg4 e5 38. dxe5 Bxe5 39. Rf5 Bf6 40. Kf3 Kg7 41. Kg2 Qe6 42. Kg1 Kf8 43. Rf4 Ke7 44. Bg6 Be5 45. Bf5 Qb6 46. Rf3 Kd6 47. Rh3 Kc5 48. Kg2 Qc6 |
| ECO A30 in 1996 play it! nielsen peter he defeats white's danielsen henrik in 80 moves | 1. c4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O e5 6. Nc3 Nge7 7. d3 d6 8. a3 O-O 9. Rb1 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Ne4 b6 15. Bd2 h6 16. Nc4 Rb8 17. a4 Nd5 18. Ned6 Kh7 19. Kh1 f5 20. f4 exf4 21. gxf4 Ndb4 22. Qe1 Nd4 23. Bxb4 cxb4 24. e3 Nc2 25. Qd2 b3 26. Rg1 Bxc4 27. Nxc4 Rc8 28. Ne5 Bxe5 29. fxe5 Nb4 30. d4 Rc2 31. Qd1 Qe7 32. Bf3 Rfc8 33. Rg2 h5 34. Qf1 h4 35. Rd1 Rxg2 36. Qxg2 Rc2 37. Be2 Rxb2 38. Rg1 Qe6 39. Qf2 Qd5+ 40. Rg2 h3 |
| ECO A10 in 1997 play it! nielsen peter he defeats white's rasmussen karste in 40 moves | 1. c4 b6 2. Nc3 e6 3. d4 Bb4 4. e4 Bb7 5. f3 f5 6. exf5 Nh6 7. fxe6 Nf5 8. Ne2 O-O 9. Qd3 dxe6 10. a3 Bc5 11. Ne4 Nxd4 12. Nxc5 bxc5 13. Ng3 Nbc6 14. Be2 Ne5 15. Qc3 Bxf3 16. gxf3 Nexf3+ 17. Kf2 Ng1+ 18. Ke1 Ngxe2 19. Nxe2 Rf3 20. Qd2 Qh4+ |
| ECO A30 in 1998 play it! nielsen peter he defeats white's krasenkow michal in 72 moves | 1. c4 c5 2. Nf3 g6 3. e4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. Bd3 a5 13. Rfe1 Re8 14. Nd5 Nd7 15. Bxg7 Kxg7 16. Re3 e5 17. Be2 Bxd5 18. Qxd5 Nc5 19. Bg4 Ra6 20. Rd1 Rf8 21. Qd2 Qg5 22. Bh3 Rb8 23. Qe2 Qe7 24. b3 Rb6 25. Qb2 Rc6 26. f4 b5 27. cxb5 Rxb5 28. g3 Rb4 29. Bg2 a4 30. fxe5 dxe5 31. Rd5 axb3 32. axb3 Nd7 33. Bh3 Nf6 34. Rxe5 Qc7 35. Rd5 Rc2 36. Qe5 Qb6 |
| ECO A10 in 1999 play it! nielsen peter he defeats white's welin thomas in 78 moves | 1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. e4 d6 6. Nge2 e5 7. h3 a6 8. O-O b5 9. d3 b4 10. Nd5 Nxd5 11. cxd5 c6 12. dxc6 Nxc6 13. Be3 a5 14. Rc1 Nd4 15. Nxd4 exd4 16. Bf4 Be6 17. Qa4 Bd7 18. Qb3 Be6 19. Qa4 Qe7 20. a3 Rfb8 21. Qc6 Be5 22. Bd2 Bd7 23. Qd5 Bb5 24. f4 Bg7 25. Qb3 Qe6 26. Qxe6 fxe6 27. e5 d5 28. Rfd1 bxa3 29. bxa3 Bf8 30. Ra1 Bxd3 31. Bxa5 Bc2 32. Rdc1 d3 33. Bd2 Bxa3 34. Re1 Bc5+ 35. Kf1 Bd4 36. Rxa8 Rxa8 37. g4 Ra2 38. f5 Bb3 39. Be3 Bc4 |