| ECO C63 in 1968 play it! prins lodewijk defeats black's skold kristian in 67 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Bb4 5. O-O Bxc3 6. dxc3 d6 7. Bc4 f4 8. g3 Qf6 9. gxf4 exf4 10. Kh1 Nge7 11. Rg1 Bd7 12. a4 a6 13. b3 h6 14. Bb2 Ne5 15. Be2 Bc6 16. Nxe5 dxe5 17. Bd3 h5 18. b4 g5 19. b5 Bd7 20. bxa6 bxa6 21. Qe2 Ng6 22. Bc4 Nh4 23. Rad1 Bh3 24. Qd2 Rb8 25. Ba3 Qc6 26. Qd5 Qxd5 27. Rxd5 Ng6 28. Bxa6 Bg4 29. Re1 c6 30. Rd6 Nh4 31. Rxc6 Bd7 32. Rc5 Rb6 33. Bb5 Rhh6 34. Rc8+ |
| ECO C89 in 1952 play it! prins lodewijk defeats black's lasker edward in 101 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1 Rac8 15. Re2 Nh5 16. g4 Nf4 17. Bxf4 exf4 18. Qd2 f5 19. gxf5 Rxf5 20. N1h2 Rf6 21. e5 Rh6 22. Qxf4 Rf8 23. Qg3 dxe5 24. Nxe5 Nc4 25. Nxc4 Qc6 26. Be4 Qxc4 27. Rc2 Bd6 28. Rxc4 Bxg3 29. fxg3 Bxe4 30. Rc3 Rxh3 31. Re1 Bd5 32. a3 Rh6 33. Re5 Rd6 34. Rc7 Bc4 35. Ree7 Rg6 36. Re3 h6 37. Rd7 Rff6 38. Kg2 Rd6 39. Re8+ Kh7 40. Rdd8 Bd5+ 41. Kh3 Rxd8 42. Rxd8 Rg5 43. Nf1 Be6+ 44. Kg2 Bd5+ 45. Kf2 Rh5 46. g4 Rg5 47. Ne3 Be6 48. Kf3 Bb3 49. d5 a5 50. d6 a4 51. d7 |
| ECO C86 in 1955 play it! prins lodewijk defeats black's beni alfred in 119 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. Nc3 d6 9. h3 Na5 10. d3 c5 11. Nd5 Nxb3 12. Nxe7+ Qxe7 13. axb3 h6 14. Nh2 g5 15. h4 Nh7 16. Qh5 Kg7 17. Ng4 Qe6 18. Ne3 Qg6 19. Qxg6+ fxg6 20. Nd5 gxh4 21. Be3 Nf6 22. Nb6 Ra7 23. b4 Nd7 24. Nxd7 Rxd7 25. bxc5 dxc5 26. Bxc5 Rff7 27. f3 g5 28. Rad1 Kf6 29. c3 Ke6 30. d4 Kf6 31. b3 exd4 32. cxd4 Kg6 33. Rf2 Rd8 34. b4 Bb7 35. d5 Re8 36. Bd6 Rd7 37. e5 Kf5 38. Rfd2 Red8 39. Kh2 Rc8 40. Re1 Rcd8 41. Rc1 Rxd6 42. exd6 Rxd6 43. Rc5 Ke5 44. Re2+ Kf6 45. Re6+ Rxe6 46. dxe6 Kxe6 47. Kh3 Bd5 48. Kg4 Ke5 49. Kh5 Kd4 50. Kxh6 Bc4 51. Rxg5 Kc3 52. f4 Kxb4 53. f5 Kc3 54. f6 Ba2 55. Rh5 Bf7 56. Rxh4 b4 57. g4 b3 58. g5 b2 59. Rh3+ Kd4 60. Rh1 |
| ECO C41 in 1951 play it! prins lodewijk defeats black's giustolisi alber in 57 moves | 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qh5 g6 8. Qxe5 Nf6 9. Bh6 Rg8 10. Nc3 Ng4 11. Qf4 Nxh6 12. Rd1 Bd6 13. Qxh6 Qe7 14. O-O Be6 15. Bxe6 fxe6 16. Qe3 Qf6 17. f4 Qe7 18. Kh1 Kf7 19. e5 Bc5 20. Qh3 Kg7 21. Ne4 Kh8 22. Nxc5 Qxc5 23. Qxe6 Qxc2 24. Qf6+ Rg7 25. e6 Qc4 26. Rd8+ Rxd8 27. Qxd8+ Rg8 28. e7 Qf7 29. Rd1 |
| ECO C83 in 1946 play it! prins lodewijk defeats black's vlagsma chris in 41 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Bc2 Nxd2 12. Qxd2 f6 13. exf6 Rxf6 14. Qe2 Qd7 15. Bg5 Rff8 16. Rad1 Bd6 17. a4 Nd8 18. Bxd8 Raxd8 19. Bxh7+ Kxh7 20. Ng5+ Kg8 21. Qxe6+ |
| ECO C90 in 1948 play it! prins lodewijk defeats black's richter emil in 61 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. a4 b4 11. cxb4 cxb4 12. d4 Qc7 13. Be3 Nc4 14. Nbd2 Nxe3 15. Rxe3 O-O 16. Rc1 Bg4 17. h3 exd4 18. e5 Qa7 19. exf6 dxe3 20. fxe7 Qxe7 21. hxg4 exd2 22. Qxd2 a5 23. Re1 Qc7 24. Ng5 h6 25. Qd3 g6 26. Nxf7 Rxf7 27. Qxg6+ Kf8 28. Qxh6+ Kg8 29. Bb3 Rd8 30. Bxf7+ Kxf7 31. Qh7+ |
| ECO C99 in 1946 play it! prins lodewijk defeats black's vlagsma chris in 87 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 Bd7 15. Be3 Nb4 16. Bb1 Rfc8 17. Qd2 a5 18. Rc1 Qd8 19. dxe5 dxe5 20. Nxe5 Be6 21. Qxd8+ Rxd8 22. Nd4 Rac8 23. Rxc8 Bxc8 24. a3 Bc5 25. axb4 Bxd4 26. Nc6 Bxb2 27. Nxd8 Bxa1 28. bxa5 Bc3 29. Bd3 Ba6 30. Nc6 Nd7 31. f4 Kf8 32. Kf2 Ke8 33. Ke2 Bb7 34. Bxb5 Bxc6 35. Bxc6 Bxa5 36. Bd4 g6 37. Bf6 h5 38. Kf3 Be1 39. g4 hxg4+ 40. hxg4 Bd2 41. e5 Bb4 42. Ke4 Ba3 43. Kd5 Bf8 44. e6 |
| ECO C27 in 1968 play it! prins lodewijk defeats black's thorsteinsson in 43 moves | 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 O-O 7. Nxe5 Nc6 8. f4 Nd4 9. O-O Nxb3 10. axb3 Ne8 11. d4 d6 12. Nc4 Bf6 13. Qd1 g6 14. Ne3 Bg7 15. f5 Qh4 16. Ncd5 c6 17. Nb6 Rb8 18. Nxc8 Rxc8 19. c3 a6 20. g3 Qd8 21. Ng4 d5 22. f6 |
| ECO C77 in 1952 play it! prins lodewijk defeats black's ortega rogelio in 77 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O d5 8. exd5 Nd4 9. Nxd4 exd4 10. c4 O-O 11. d3 Re8 12. Bf4 Bd6 13. Qd2 Nh5 14. Bxd6 Qxd6 15. Na3 Nf4 16. Rfe1 Bf5 17. cxb5 Nxd3 18. Rxe8+ Rxe8 19. Bc2 Qg6 20. bxa6 Qxa6 21. h4 Rb8 22. Bxd3 Bxd3 23. h5 h6 24. Rc1 Rd8 25. Rc6 Qb7 26. Qxd3 Rxd5 27. Rc2 c5 28. Qf3 Qd7 29. Nc4 d3 30. Rd2 Rd4 31. b3 Qe7 32. Rxd3 Qe1+ 33. Kh2 Rxd3 34. Qxd3 Qxf2 35. a4 Qh4+ 36. Qh3 Qf4+ 37. Qg3 Qf5 38. a5 Qxh5+ 39. Qh3 |
| ECO C07 in 1946 play it! prins lodewijk defeats black's vinken a in 117 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd8 7. O-O Nf6 8. Nb3 Be7 9. Qe2 O-O 10. Nbxd4 Bd7 11. Rd1 Nd5 12. Nf5 Bf6 13. Bxd5 exd5 14. Rxd5 Qc7 15. Bg5 Bxg5 16. Nxg5 Bxf5 17. Rxf5 Nc6 18. Qc4 Rac8 19. c3 Ne7 20. Qxc7 Rxc7 21. Rf4 h6 22. Nf3 Nc6 23. Re4 Rd7 24. Rae1 f6 25. h4 Kf7 26. Kh2 Rfd8 27. a3 Rd1 28. Rxd1 Rxd1 29. Kg3 Rd3 30. Re2 g5 31. hxg5 hxg5 32. Rd2 Rxd2 33. Nxd2 f5 34. Kf3 Ne5+ 35. Ke3 Ng4+ 36. Ke2 Kf6 37. f3 Ne5 38. Ke3 Ke6 39. Kd4 b6 40. b4 Ng6 41. g3 Ne5 42. b5 Nd7 43. a4 Ne5 44. c4 Nd7 45. Nb3 Kd6 46. a5 Ne5 47. axb6 axb6 48. f4 gxf4 49. gxf4 Ng6 50. Ke3 Nh4 51. Kf2 Ng6 52. Kg3 Nf8 53. Kf3 Ng6 54. Ke3 Nh4 55. Nd4 Ng2+ 56. Kf3 Nxf4 57. Kxf4 Kc5 58. Nc6 Kxc4 59. Na7 |
| ECO C07 in 1946 play it! prins lodewijk defeats black's stone in 139 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. N4f3 Nf6 8. exd5 Nxd5 9. O-O Be7 10. Ne4 O-O 11. c4 Nf6 12. Qe1 a6 13. Ba4 Nd4 14. Bd1 Nxf3+ 15. Bxf3 Nxe4 16. Bxe4 Qc7 17. b3 Bf6 18. Rb1 Rac8 19. Qe3 b5 20. Qh3 g6 21. Qf3 Bg7 22. Ba3 Rfe8 23. Rfd1 Bc6 24. Bd6 Bxe4 25. Qxe4 Qc6 26. Qxc6 Rxc6 27. c5 b4 28. g3 Rec8 29. Rd3 Bf8 30. Rbd1 a5 31. Kg2 Bxd6 32. cxd6 Rd8 33. Kf3 Kf8 34. Ke4 f6 35. h4 Ke8 36. g4 Kd7 37. g5 f5+ 38. Kf4 Rc5 39. h5 e5+ 40. Kg3 Rc3 41. f3 Rxd3 42. Rxd3 Kc6 43. Rd2 Rxd6 44. Rc2+ Kb6 45. h6 Rd1 46. Kf2 Rd7 47. Ke2 Rc7 48. Rd2 a4 49. bxa4 Ra7 50. Rd5 Rxa4 51. Rxe5 Rxa2+ 52. Kd3 Ra3+ 53. Kc4 Rxf3 54. Re6+ Kc7 55. Re7+ Kd6 56. Rxh7 Rf4+ 57. Kb3 Rg4 58. Rh8 Rxg5 59. h7 Rh5 60. Rd8+ Ke5 61. h8=Q+ Rxh8 62. Rxh8 f4 63. Kc2 g5 64. Kd3 f3 65. Rb8 Kf4 66. Rxb4+ Kg3 67. Ke3 g4 68. Rb2 Kh4 69. Kf4 Kh3 70. Rf2 |
| ECO C00 in 1933 play it! prins lodewijk defeats black's harum frl in 96 moves | 1. e4 e6 2. c4 c5 3. Nf3 d5 4. e5 Nc6 5. Nc3 Nge7 6. Bd3 Ng6 7. Bxg6 hxg6 8. d3 Be7 9. Bf4 g5 10. Bg3 a6 11. Qa4 Bd7 12. cxd5 Nb4 13. Qd1 Nxd5 14. O-O Bc6 15. d4 cxd4 16. Nxd4 Nxc3 17. bxc3 Bd5 18. Qg4 Rc8 19. f4 Rxc3 20. fxg5 Bxg5 21. Bf4 Bxf4 22. Rxf4 g6 23. Raf1 Rh7 24. Ne2 Rc7 25. Ng3 Qe7 26. Ne4 Bxe4 27. Rxe4 Rc2 28. Rc4 Rxc4 29. Qxc4 Rh4 30. Qc8+ Qd8 31. Qxb7 Qe7 32. Qc8+ Qd8 33. Qc6+ Qd7 34. Qxd7+ Kxd7 35. Rxf7+ Kc6 36. Rf6 Kd5 37. Rxg6 Ra4 38. g4 Rxa2 39. h4 a5 40. h5 Rb2 41. h6 Rb8 42. h7 Rh8 43. Rg7 a4 44. g5 a3 45. g6 a2 46. Ra7 Kxe5 47. g7 Rxh7 48. g8=Q Rxa7 |
| ECO C00 in 1952 play it! prins lodewijk defeats black's oren menachem in 45 moves | 1. e4 e6 2. b3 c5 3. Bb2 d5 4. exd5 exd5 5. g3 Nf6 6. Bg2 Nc6 7. Qe2+ Be6 8. Nf3 Be7 9. d4 O-O 10. O-O Re8 11. Nbd2 Rc8 12. dxc5 Bxc5 13. a3 Bh3 14. Qd3 Bxg2 15. Kxg2 Ne4 16. Rad1 Bf8 17. Rfe1 h6 18. Nxe4 dxe4 19. Qxe4 Rxe4 20. Rxd8 Rxe1 21. Rxc8 Re2 22. Nd4 Nxd4 23. Bxd4 |
| ECO C01 in 1959 play it! prins lodewijk defeats black's sicilia in 61 moves | 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Nf6 6. h3 Nc6 7. c3 Qe7+ 8. Ne2 Ne4 9. O-O g5 10. Ng3 Bxg3 11. fxg3 Rg8 12. g4 h5 13. Nd2 hxg4 14. hxg4 Nxd2 15. Bxd2 Be6 16. Rae1 O-O-O 17. Qf6 Qd6 18. Bf5 Bxf5 19. Qxf5+ Kb8 20. Bxg5 Rdf8 21. Bf6 Re8 22. g5 a6 23. Qh7 Qg3 24. Qh3 Qxe1 25. Rxe1 Rxe1+ 26. Kh2 Rge8 27. Qd7 R8e2 28. Qxf7 Rxb2 29. g6 Ree2 30. Qxd5 Rb5 31. g7 |
| ECO C14 in 1960 play it! prins lodewijk defeats black's angles dauriac b in 39 moves | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 7. Nb5 O-O 8. Bd3 c4 9. Bxh7+ Kxh7 10. Qh5+ Kg8 11. Bxe7 Qxe7 12. Nf3 f6 13. Ng5 fxg5 14. hxg5 Qb4+ 15. Ke2 Qxb5 16. g6 Rxf2+ 17. Kxf2 Kf8 18. Qf3+ Ke7 19. Rh8 Nf6 20. Qa3+ |
| ECO C01 in 1967 play it! prins lodewijk defeats black's clarke peter h in 81 moves | 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Qf3 Nge7 7. Ne2 Be6 8. Bf4 Qd7 9. Bxd6 Qxd6 10. Nd2 O-O-O 11. O-O h5 12. Rfe1 Bg4 13. Qg3 Qxg3 14. Nxg3 h4 15. Ngf1 Bf5 16. Bxf5+ Nxf5 17. Ne3 Nce7 18. Nxf5 Nxf5 19. Re5 g6 20. Rae1 f6 21. Re6 Rhf8 22. g4 hxg3 23. fxg3 Ng7 24. Re7 Rde8 25. Kf2 Rxe7 26. Rxe7 Nf5 27. Rh7 Kd8 28. g4 Nd6 29. h4 Rf7 30. Rh8+ Ke7 31. h5 gxh5 32. gxh5 Ke6 33. Kf3 Kf5 34. Nf1 c6 35. Ng3+ Ke6 36. h6 Re7 37. h7 Nf5 38. Nh5 Nh4+ 39. Kg4 Ng6 40. Rg8 Rxh7 41. Rxg6 |
| ECO C04 in 1948 play it! prins lodewijk defeats black's yanofsky daniel by checkmate in 65 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. Bd3 fxe5 8. Nxe5 Ndxe5 9. dxe5 Nxe5 10. Qh5+ Nf7 11. Bxh7 Be7 12. Nf3 Bf6 13. h4 e5 14. Bg5 Kf8 15. O-O-O e4 16. Bxf6 Qxf6 17. Ng5 Nxg5 18. hxg5 Qf4+ 19. Rd2 Be6 20. Rh4 Qe5 21. g3 Ke7 22. Qe2 Qxg5 23. Qb5 c6 24. Qxb7+ Kd6 25. Rxe4 Rae8 26. Qb4+ c5 27. Qb5 Bd7 28. Qa6+ Bc6 29. b4 Rxh7 30. bxc5+ Kxc5 31. Rc4+ dxc4 32. Qxa7+ Kb5 33. a4# |
| ECO C07 in 1951 play it! prins lodewijk defeats black's tramoyeres p in 123 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Ne6 11. Nbd4 Nxd4 12. Qxd4 h6 13. Bf4 O-O 14. Rad1 Bd6 15. Bd2 Re8 16. Bc3 Bf8 17. Qf4 Ne4 18. Bd4 Rc8 19. c3 Rc6 20. a3 b6 21. h4 Qc8 22. Be5 Rc4 23. Qc1 Qf5 24. Rxd5 f6 25. Rd4 Rcc8 26. Qf4 Rxe5 27. Qxf5 Rxf5 28. Rxe4 Rb5 29. Re2 Rd5 30. Rc1 Kf7 31. g3 a5 32. Kg2 b5 33. Rcc2 Rd7 34. Rcd2 Rb7 35. Nd4 g6 36. Nb3 Ra8 37. Rd5 Ra6 38. h5 gxh5 39. Rxh5 Rb8 40. Rd5 Ra7 41. Kf3 Ra6 42. Kg4 b4 43. axb4 axb4 44. c4 Rc8 45. Nd2 Kg6 46. f4 Rd6 47. f5+ Kf7 48. Rxd6 Bxd6 49. b3 Rg8+ 50. Kf3 Rxg3+ 51. Ke4 h5 52. Nf3 h4 53. Nxh4 Rxb3 54. Rd2 Be5 55. Ng6 Bc3 56. Rd7+ Ke8 57. Re7+ Kd8 58. Kd5 Ra3 59. c5 b3 60. Rb7 b2 61. c6 Ra7 62. c7+ |
| ECO C03 in 1950 play it! prins lodewijk defeats black's guimard carlos in 73 moves | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be3 Be7 8. Bd3 c6 9. Qe2 Qa5+ 10. Bd2 Qc7 11. O-O-O Nd5 12. Ne5 Bf6 13. f4 b5 14. Rhf1 a6 15. Be4 Ra7 16. Rf3 Bd7 17. Rdf1 b4 18. Qc4 a5 19. Nxd7 Qxd7 20. f5 Qd6 21. fxe6 fxe6 22. Qd3 h6 23. Bxd5 Qxd5 24. Qg6+ Rf7 25. Rxf6 gxf6 26. Rxf6 Rf8 27. Bxh6 Qxd4 28. Rf1 Kd8 29. Rxf7 Qg1+ 30. Kd2 Qd4+ 31. Ke2 Qc4+ 32. Ke3 Qc5+ 33. Kf3 Qd5+ 34. Kg3 Qe5+ 35. Bf4 Qe1+ 36. Kh3 Rh8+ 37. Rh7 |
| ECO C07 in 1950 play it! prins lodewijk defeats black's niemi reino in 115 moves | 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. Nb3 Bd6 11. Qd4 f6 12. Bd2 Ne7 13. Ba5 Bc7 14. Qc5 Kf7 15. Nfd4 Qd6 16. Bxc7 Qxc7 17. c4 Qa7 18. Qd6 Qd7 19. Qb4 dxc4 20. Qxc4+ Qd5 21. Rfc1 Qxc4 22. Rxc4 Be6 23. Nxe6 Kxe6 24. Re1+ Kf7 25. Nd4 Rhc8 26. b3 a5 27. g3 Ra6 28. Re6 Rb6 29. Rd6 Rb4 30. Rc5 a4 31. h4 axb3 32. axb3 Rb7 33. Kg2 Ra8 34. g4 Ra2 35. h5 Rb2 36. h6 Ra7 37. Rc3 gxh6 38. Rf3 Ng8 39. Nxc6 Ra1 40. Rd7+ Kg6 41. Rd8 Kg7 42. Nd4 Rbb1 43. Re3 Re1 44. Rd7+ Kh8 45. Rxe1 Rxe1 46. Nf5 h5 47. Kg3 hxg4 48. Kxg4 Rg1+ 49. Kf4 h5 50. f3 Rh1 51. b4 Re1 52. b5 Re6 53. Rb7 h4 54. Nxh4 Nh6 55. Nf5 Nxf5 56. Kxf5 Rd6 57. f4 Kg8 58. Kg6 |