| ECO A30 in 2000 play it! christiansen lar defeats black's kriventsov stani in 107 moves | 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. g3 Qb6 7. Ndb5 Nf6 8. Be3 Qa5 9. a3 Bxc3+ 10. Nxc3 Ng4 11. Qd2 Nxe3 12. Qxe3 Qe5 13. Qd3 Qd4 14. Qxd4 Nxd4 15. O-O-O Nc6 16. Bg2 b6 17. Nb5 Ke7 18. Nd6 a6 19. b4 Ra7 20. f4 Rc7 21. Kc2 f5 22. Rd3 Nd8 23. Rhd1 Nb7 24. Bxb7 Bxb7 25. a4 Ba8 26. Kb3 h6 27. Re3 Rf8 28. b5 a5 29. h4 h5 30. Red3 g6 31. Rd4 Rg8 32. R1d3 Rf8 33. e4 Rd8 34. e5 Bg2 35. Rd2 Bf3 36. Kc3 Ba8 37. Kd3 Bf3 38. Ke3 Ba8 39. c5 bxc5 40. Rc4 Bd5 41. Rc3 c4 42. Kd4 Rb8 43. Rdc2 Kd8 44. Rb2 Ke7 45. Nxc4 Bxc4 46. Rxc4 Rcb7 47. Rc5 Kd8 48. Kc4 Rb6 49. Rd2 R8b7 50. Rc6 Rc7 51. Rxc7 Kxc7 52. Kc5 Rb8 53. b6+ Kc8 54. Kb5 |
| ECO A15 in 1977 play it! christiansen lar defeats black's bisguier arthur in 127 moves | 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 Bb4 7. O-O O-O 8. Qc2 Qe7 9. e4 dxc4 10. Bxc4 e5 11. Be3 Ng4 12. Bg5 Qd6 13. d5 Nb6 14. Bb3 Bxc3 15. bxc3 h6 16. Bh4 Bd7 17. h3 Nf6 18. Bg3 Rfe8 19. c4 c5 20. Rae1 Nh5 21. Bh2 Qf6 22. Nxe5 Rxe5 23. f4 Ree8 24. e5 Qh4 25. Qd3 g6 26. e6 Ng7 27. Bg3 Qf6 28. exd7 Nxd7 29. Rxe8+ Rxe8 30. Ba4 Qd8 31. f5 Nxf5 32. Rxf5 gxf5 33. Qxf5 Re7 34. Qg4+ Kf8 35. Bf4 Re1+ 36. Kf2 Nf6 37. Qf5 Ng8 38. Kxe1 Qa5+ 39. Kf2 Qxa4 40. Bd6+ Kg7 41. Qg4+ Kh8 42. Bxc5 Qxa2+ 43. Qe2 Qa1 44. Qd2 Qf6+ 45. Kg1 Qa1+ 46. Kh2 Qe5+ 47. g3 Qf5 48. Bxa7 Kg7 49. Bd4+ Kf8 50. g4 Qf1 51. c5 Ke8 52. c6 bxc6 53. dxc6 Qb5 54. Qe3+ Ne7 55. Bf6 Qb4 56. Qxe7+ Qxe7 57. Bxe7 Kxe7 58. Kg3 Kd6 59. Kh4 Kxc6 60. Kh5 Kd5 61. Kxh6 Ke6 62. g5 Kf5 63. h4 Kg4 64. h5 |
| ECO A10 in 1978 play it! christiansen lar defeats black's taulbut shaun in 53 moves | 1. c4 g6 2. d4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Be2 O-O 6. Bg5 Nbd7 7. Qd2 c6 8. Nf3 e5 9. O-O Re8 10. Rfe1 Qb6 11. d5 cxd5 12. cxd5 Nc5 13. Bb5 Nfxe4 14. Rxe4 Nxe4 15. Nxe4 Qxb5 16. Nf6+ Kf8 17. Nxh7+ Kg8 18. Nf6+ Kf8 19. Re1 Bf5 20. g4 Bd3 21. Bh6 Rec8 22. Qg5 Qb4 23. a3 Qc4 24. h3 Rc7 25. Bxg7+ Kxg7 26. Nxe5 dxe5 27. Qxe5 |
| ECO A13 in 1981 play it! christiansen lar defeats black's kudrin s in 85 moves | 1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 Qa5 8. Nf3 f5 9. exf6 Nxf6 10. Qc2 Ne5 11. Be2 Nxf3+ 12. Bxf3 Qe5+ 13. Qe2 Bd6 14. Be3 Bc5 15. Bxc5 Qxc5 16. O-O O-O 17. Rad1 Rb8 18. a3 a6 19. b4 Qc7 20. Ne4 b6 21. Nd6 Ne8 22. Qd3 Nxd6 23. Qxd6 Qxd6 24. Rxd6 Rf4 25. Rc1 Kf7 26. c5 bxc5 27. bxc5 Rb3 28. c6 Ke7 29. cxd7 Bxd7 30. Rxa6 Rd4 31. h3 Kf6 32. Re1 Rd2 33. Bg4 Ra2 34. Rd6 Bc8 35. Bxe6 Bxe6 36. Rdxe6+ Kf7 37. Re7+ Kf8 38. Rd7 h5 39. Rc1 Kg8 40. Rcc7 Rb1+ 41. Kh2 Rxf2 42. Rxg7+ Kf8 43. Rgd7 |
| ECO A10 in 1989 play it! christiansen lar defeats black's gurevich ilya m in 95 moves | 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Nf3 e6 7. h3 Na6 8. Bd3 O-O 9. O-O Nc7 10. a4 e5 11. Bg5 h6 12. Bd2 Nh5 13. Qc1 g5 14. Ne2 Nf4 15. Nxf4 gxf4 16. Kh2 f5 17. exf5 Bxf5 18. Bxf5 Rxf5 19. Qc2 Qd7 20. Rab1 Raf8 21. b4 Ne8 22. Rfe1 b6 23. a5 Rh5 24. bxc5 bxc5 25. a6 Qg4 26. Rb7 Rff5 27. Qd3 Nf6 28. Rxa7 Qg6 29. Kg1 e4 30. Rxe4 Rxh3 31. Rxg7+ Kxg7 32. Bc3 Re5 33. Bxe5 dxe5 34. a7 Nxe4 35. Qe2 Rxf3 36. a8=Q Rxf2 37. Qb7+ Kg8 38. Qc8+ Kh7 39. Qd7+ Kh8 40. Qdg4 Rxe2 41. Qxg6 Ng3 42. Qxh6+ Kg8 43. Qe6+ Kg7 44. Kh2 Nf1+ 45. Kh3 f3 46. Qg4+ Kh6 47. Qxf3 Re3 48. d6 |
| ECO A30 in 1971 play it! christiansen lar defeats black's romanenko ivan in 111 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. e4 d6 7. Be2 Nc6 8. Be3 O-O 9. O-O Bd7 10. h3 Rc8 11. Qd2 a6 12. f4 Ne8 13. Rad1 Nxd4 14. Bxd4 Bc6 15. b4 f5 16. exf5 gxf5 17. b5 axb5 18. cxb5 Bd7 19. Bxg7 Nxg7 20. Kh1 Be6 21. Bf3 Rc5 22. Bxb7 Nh5 23. Rf3 Nf6 24. Qe3 Kf7 25. Qxc5 dxc5 26. Rxd8 Rxd8 27. a4 Ne4 28. Nxe4 fxe4 29. Rc3 Rd3 30. Rxc5 e3 31. Re5 Bc4 32. Bf3 Ra3 33. Re4 Bd5 34. Rxe3 Rxe3 35. Bxd5+ e6 36. Bc6 Ke7 37. a5 Kd6 38. a6 Ra3 39. Kh2 Kc7 40. g4 Kb6 41. g5 Rc3 42. h4 Rd3 43. h5 Rd8 44. Kg3 Rd3+ 45. Kg4 Rd4 46. Kf3 Rd3+ 47. Ke4 Rd1 48. Ke5 Re1+ 49. Kf6 Rf1 50. Kg7 Rxf4 51. Kxh7 e5 52. g6 Rh4 53. h6 e4 54. g7 e3 55. g8=Q e2 56. Qg1+ |
| ECO A18 in 1989 play it! christiansen lar defeats black's donaldsonakhmilo in 57 moves | 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Ne4 5. Nf3 c5 6. Bd3 Nxc3 7. dxc3 dxc4 8. Qa4+ Bd7 9. Qxc4 Bc6 10. Be4 Bxe4 11. Qxe4 Qd5 12. Qe2 Be7 13. O-O Nd7 14. Rd1 Qc6 15. Bg5 f6 16. Bh4 Nf8 17. b4 Ng6 18. b5 Qc8 19. exf6 gxf6 20. Bg3 Kf7 21. h4 Rg8 22. h5 Nf8 23. Qc4 Qe8 24. Qf4 Qxb5 25. Ne5+ Ke8 26. Ng4 Rd8 27. Re1 e5 28. Nxe5 fxe5 29. Qxe5 |
| ECO A16 in 1989 play it! christiansen lar defeats black's rice r in 73 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 a5 8. Bd3 Na6 9. Nge2 Bd7 10. O-O Qe8 11. Qd2 Nh5 12. g4 Nf6 13. Ng3 Nc5 14. Bc2 Kh8 15. h4 h5 16. g5 Nh7 17. f4 exf4 18. Rxf4 Be5 19. Raf1 Bh3 20. R1f2 Bxf4 21. Rxf4 Nd7 22. Ba4 Qe7 23. Bxd7 Bxd7 24. Bd4+ Kg8 25. Qf2 b6 26. Nd1 Rfe8 27. Ne3 Qf8 28. Nxh5 gxh5 29. g6 fxg6 30. Rxf8+ Rxf8 31. Qg3 Kf7 32. e5 Rae8 33. e6+ Bxe6 34. dxe6+ Rxe6 35. Nd5 Rfe8 36. Qf4+ Kg8 37. Qh6 |
| ECO A16 in 1976 play it! christiansen lar defeats black's fernandez juan c in 103 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 d6 10. Ng5 Bxg2 11. Kxg2 Qc8 12. Nge4 Rd8 13. Bg5 Qb7 14. f3 Nc6 15. Qe3 Nxe4 16. Nxe4 d5 17. cxd5 exd5 18. Nf2 d4 19. Qc1 Rac8 20. Bxe7 Nxe7 21. Qd2 Nf5 22. Rdc1 Ne3+ 23. Kg1 h5 24. Rxc8 Qxc8 25. Rc1 Qe6 26. b3 h4 27. g4 f5 28. g5 Qe5 29. Qd3 Nd5 30. Kh1 Nf4 31. Qc4+ Kh7 32. Qf7 Qxe2 33. Qxf5+ Ng6 34. Ne4 Rf8 35. Nf6+ gxf6 36. gxf6 Qe5 37. Qd7+ Kh6 38. Qg7+ Kg5 39. Rg1+ Kf4 40. Qxg6 Qd5 41. Qg4+ Ke3 42. Re1+ Kd2 43. Re4 d3 44. Qf4+ Kd1 45. Rd4 Qxd4 46. Qxd4 d2 47. Kg2 Rc8 48. f7 Kc2 49. Qd7 Rh8 50. Qc6+ Kb1 51. Qe4+ Kc1 52. Qc4+ |
| ECO A27 in 1995 play it! christiansen lar defeats black's lobron eric in 101 moves | 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 Be7 5. d5 Nb8 6. e4 Nf6 7. h3 c6 8. Be3 Nbd7 9. Be2 O-O 10. Nd2 Ne8 11. b4 Bg5 12. Bxg5 Qxg5 13. h4 Qe7 14. g4 a5 15. a3 axb4 16. axb4 Rxa1 17. Qxa1 c5 18. b5 Kh8 19. Nf1 g6 20. Ne3 Ng7 21. Qa5 Nf6 22. f3 h5 23. Kd2 Ng8 24. Qa1 Nh6 25. Qg1 Kh7 26. Bd3 Bd7 27. Qg3 Ra8 28. g5 Ng8 29. f4 exf4 30. Qxf4 f6 31. Rg1 Qe5 32. Rf1 Ne8 33. Qxe5 dxe5 34. Ng2 Kg7 35. Ne1 Bg4 36. Bc2 Nd6 37. Bb3 Ra1 38. Kc2 fxg5 39. hxg5 Bh3 40. Kb2 Rxe1 41. Rxe1 h4 42. Bd1 Bg2 43. Bg4 h3 44. Bxh3 Bxh3 45. Kb3 Ne7 46. Na4 Nec8 47. Nxc5 Nb6 48. Rc1 Bg4 49. Kb4 Be2 50. Ne6+ Kf7 51. c5 |
| ECO A16 in 1980 play it! christiansen lar defeats black's li zunian in 79 moves | 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. d3 a6 8. O-O Rb8 9. a4 d6 10. f4 Bd7 11. h3 Nd4 12. Nxd4 cxd4 13. Ne2 b5 14. cxb5 axb5 15. a5 Ne8 16. f5 Bc6 17. Bg5 Be5 18. Qb3 Ng7 19. g4 b4 20. Nf4 Kh8 21. a6 Qd7 22. Rf2 gxf5 23. exf5 Bxg2 24. Nxg2 Qa7 25. Bh6 Rb6 26. Qc4 Qa8 27. a7 Rb7 28. Qa6 Rc8 29. b3 Ne8 30. Rfa2 Rbc7 31. Qb5 Nf6 32. Qxb4 Nd5 33. Qe1 Rc2 34. Rxc2 Rxc2 35. Qe4 e6 36. fxe6 fxe6 37. Rf1 Rc8 38. Rf7 Nf6 39. Qxa8 Rxa8 40. Rf8+ |
| ECO A30 in 1989 play it! christiansen lar defeats black's donaldson john w in 45 moves | 1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 O-O 10. Qe3 Be6 11. O-O Qb6 12. Qxb6 axb6 13. b3 Nd7 14. Rfc1 Rfe8 15. Bd2 Nc5 16. f3 Rec8 17. Kf1 b5 18. cxb5 Bxb3 19. axb3 Rxa1 20. Rxa1 Bxc3 21. Bxc3 Nxb3 22. Ra3 Rxc3 23. Kf2 |
| ECO A30 in 2001 play it! christiansen lar defeats black's wang hao yuan in 67 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 b6 6. Bg5 Bb7 7. Bxf6 gxf6 8. e3 e6 9. Be2 a6 10. Bf3 Qc7 11. O-O Nd7 12. Bxb7 Qxb7 13. Qh5 Nc5 14. e4 O-O-O 15. Qe2 Rg8 16. b4 Nd7 17. f4 Re8 18. f5 d5 19. fxe6 fxe6 20. cxd5 Bxb4 21. Nxe6 Kb8 22. Nd1 Nc5 23. Rb1 a5 24. Rxf6 Nxe6 25. dxe6 Rg5 26. Qf3 Re5 27. Nc3 Bxc3 28. Qxc3 R8xe6 29. Qxe5+ Rxe5 30. Rfxb6 Qxb6+ 31. Rxb6+ Kc7 32. Rh6 Rxe4 33. Rxh7+ Kc6 34. Rh3 |
| ECO A10 in 1997 play it! christiansen lar defeats black's schwierskott mar in 91 moves | 1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nc6 5. d5 Nd4 6. Be3 c5 7. Nge2 Qb6 8. Nxd4 cxd4 9. Na4 Qa5+ 10. Bd2 Qd8 11. c5 Nf6 12. Bb5+ Kf8 13. Qe2 Nd7 14. O-O a6 15. Bxd7 Bxd7 16. Nb6 Bb5 17. Qf3 Bxf1 18. Rxf1 dxc5 19. Nxa8 Qxa8 20. Rc1 b6 21. b4 h5 22. bxc5 bxc5 23. Rxc5 Be5 24. Qd3 Kg7 25. f4 Bd6 26. Rc6 Rb8 27. Qxd4+ f6 28. e5 fxe5 29. fxe5 Rb1+ 30. Rc1 Rxc1+ 31. Bxc1 Bb8 32. Kh1 Qa7 33. Qxa7 Bxa7 34. Bg5 Bd4 35. e6 Bf6 36. d6 exd6 37. e7 Bxe7 38. Bxe7 d5 39. Kg1 Kf7 40. Bc5 Ke6 41. Kf2 Ke5 42. Ke3 g5 43. Bd4+ Kf5 44. h3 g4 45. h4 g3 46. Kf3 |
| ECO A16 in 1990 play it! christiansen lar defeats black's magar t in 55 moves | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 Nc6 7. Qd2 a6 8. Nge2 Rb8 9. h4 h5 10. Nc1 e5 11. d5 Nd4 12. Nb3 Nxb3 13. axb3 c5 14. Be2 b6 15. Nd1 a5 16. Nf2 Bd7 17. g4 Re8 18. Bg5 hxg4 19. fxg4 Qc8 20. h5 Nxg4 21. Nxg4 Bxg4 22. h6 Bf8 23. h7+ Kh8 24. Bf6+ Bg7 25. Qg5 Bd7 26. Rc1 b5 27. Rc3 bxc4 28. Rf3 |
| ECO A22 in 2002 play it! christiansen lar defeats black's charbonneau pasc in 89 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 e4 8. Nd4 Nxd4 9. cxd4 d5 10. d3 Bf5 11. dxe4 dxe4 12. Bb2 c6 13. a4 Re8 14. Qb3 Qd7 15. Rad1 b5 16. axb5 cxb5 17. d5 bxc4 18. Qxc4 Rac8 19. Qb3 Rb8 20. Qa2 Rb6 21. Bd4 Rd6 22. Bxf6 Rxf6 23. Rd4 Bh3 24. Bxh3 Qxh3 25. Qa4 Rf8 26. Rxe4 Rh6 27. Rh4 Rxh4 28. Qxh4 Qxh4 29. gxh4 f5 30. Ra1 Re8 31. e3 Re7 32. Kf1 Rb7 33. Ke2 Rb5 34. d6 Rb7 35. Rd1 Rd7 36. Rd5 g6 37. h5 Kf7 38. h4 Ke6 39. Ra5 gxh5 40. Kf3 Rg7 41. Ra6 Ke5 42. d7 Rxd7 43. Ra5+ Ke6 44. Kf4 Rb7 45. Rxf5 |
| ECO A16 in 2001 play it! christiansen lar defeats black's kleist frederick in 47 moves | 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. d4 cxd4 6. Qxd4 Nxc3 7. Qxc3 Nc6 8. e4 e6 9. Bb5 Bd7 10. O-O Qb6 11. a4 Qc5 12. Qd3 Qd6 13. Qe2 Qc7 14. a5 Be7 15. Rd1 O-O 16. Bf4 Qc8 17. a6 e5 18. axb7 Qxb7 19. Rxd7 Qxd7 20. Nxe5 Nxe5 21. Bxd7 Nxd7 22. h4 Rfc8 23. h5 h6 24. Bxh6 |
| ECO A16 in 1989 play it! christiansen lar defeats black's peters john a us in 87 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 Nc6 10. Qf4 Qb8 11. b3 Rd8 12. Bb2 a6 13. Na4 b5 14. Nb6 Ra7 15. Qxb8 Nxb8 16. Rac1 Bc5 17. Bd4 Bxd4 18. Nxd4 Bxg2 19. Kxg2 Rb7 20. c5 Kf8 21. b4 Ke7 22. Kf3 Rc7 23. e4 Nc6 24. Nxc6+ dxc6 25. Rxd8 Kxd8 26. Rd1+ Ke8 27. Rd6 Ng8 28. Rd3 Ne7 29. Ra3 Ra7 30. Ke3 Kd8 31. f4 h5 32. h3 Ke8 33. g4 hxg4 34. hxg4 f6 35. Rd3 Kf7 36. f5 exf5 37. gxf5 Ke8 38. Kf4 Rc7 39. e5 Ng8 40. e6 Ne7 41. Rh3 g5+ 42. Kg4 Nd5 43. Rh8+ Ke7 44. Na8 |
| ECO A16 in 2005 play it! christiansen lar defeats black's lee andrew in 63 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Nc6 6. e4 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 O-O 10. Qd2 Be6 11. f3 Qa5 12. Rc1 Rfe8 13. O-O Rac8 14. b3 a6 15. Kh1 Nd7 16. Bh6 Bxh6 17. Qxh6 b5 18. f4 bxc4 19. b4 Qxb4 20. f5 Qa5 21. fxe6 fxe6 22. Bg4 Qe5 23. Qf4 Nf8 24. Qxe5 dxe5 25. Na4 Rc6 26. Be2 Rd8 27. Rxc4 Rxc4 28. Bxc4 Rd4 29. Bb3 Rxe4 30. Nc5 Rf4 31. Kg1 a5 32. Re1 |
| ECO A19 in 1978 play it! christiansen lar defeats black's brasket curt in 37 moves | 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 f6 9. Be3 b6 10. f4 Nc6 11. f5 Ne5 12. Qh5+ g6 13. fxg6 Nxg6 14. Bd3 Bg7 15. O-O a6 16. Nd6+ Kf8 17. c5 bxc5 18. Bxc5 N8e7 19. Nce4 |