| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 80 moves | 1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. d4 cxd4 7. Qxd4 Nc6 8. Qf4 Bc5 9. Nc3 h6 10. Na4 g5 11. Qd2 Ne4 12. Qd1 g4 13. Nd2 Nxf2 14. Rxf2 Bxf2+ 15. Kxf2 Qf6+ 16. Kg1 Qd4+ 17. Kh1 h5 18. e3 Qd3 19. Qe1 Rb8 20. e4 Qd4 21. Nc3 Qd3 22. Bf1 Qd6 23. Nb3 Ne5 24. Bf4 a6 25. Rd1 Qc7 26. Qe3 h4 27. gxh4 Rxh4 28. Be2 d6 29. Bxe5 dxe5 30. Qg5 Rh8 31. Bxg4 Rf8 32. Kg1 Bc6 33. Qg7 Bd7 34. h4 Rd8 35. h5 f5 36. Be2 Rf7 37. Qg6 Qc6 38. h6 Ke7 39. Bh5 Be8 40. Qg5+ Rf6 |
| ECO A15 in 1998 play it! wcrafty11 defeats black's cometwb in 86 moves | 1. c4 Nf6 2. Nf3 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d5 11. cxd5 Qxd5 12. Bf4 Bf6 13. e3 c6 14. Qe2 Nd7 15. Rfd1 Rfc8 16. Rd3 a5 17. e4 Qb5 18. a4 Qa6 19. e5 Be7 20. Rc1 c5 21. Qe4 cxd4 22. Rxd4 Nc5 23. Qf3 b5 24. axb5 Qxb5 25. Rdc4 Rd8 26. Qa3 Rd3 27. R4c3 Rxc3 28. bxc3 Qd3 29. Re1 Qd5 30. Ne3 Qf3 31. Rf1 a4 32. Nc4 Rb8 33. Nd6 Nd3 34. c4 Nxe5 35. Qxf3 Nxf3+ 36. Kg2 Rb3 37. c5 h6 38. Ra1 a3 39. c6 Bd8 40. Ne8 Be7 41. c7 Rc3 42. Rc1 Rxc1 43. Bxc1 Ne1+ |
| ECO A22 in 1998 play it! wcrafty11 defeats black's lgol11 in 65 moves | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 d6 5. d3 Be6 6. Be2 Be7 7. O-O Nd4 8. Nxd4 exd4 9. Nb5 c5 10. f4 a6 11. Na3 O-O 12. f5 Bd7 13. Bf4 Qb6 14. Rb1 h6 15. Qe1 Kh7 16. Nc2 Rae8 17. Bf3 Rh8 18. Qe2 Ba4 19. Qf2 Bxc2 20. Qxc2 Nd7 21. Rbd1 Bg5 22. Bxg5 hxg5 23. Be2 Nf6 24. Rf3 Qa5 25. Qb3 Re7 26. Rg3 Rhe8 27. Rxg5 Kh6 28. Rg3 b6 29. Rh3+ Kg5 30. Qc2 Nd7 31. Qc1+ Kf6 32. Rh5 Qd2 33. Qxd2 |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 68 moves | 1. c4 c5 2. g3 Nc6 3. Bg2 b6 4. e3 Bb7 5. Ne2 Qc7 6. O-O Ne5 7. d3 Bf3 8. Nbc3 Nf6 9. e4 Nfg4 10. Bf4 f6 11. h3 g5 12. hxg4 gxf4 13. Nd5 Qb7 14. Bxf3 Nxf3+ 15. Kg2 Ne5 16. Nexf4 b5 17. cxb5 Rg8 18. Rh1 h6 19. Rc1 Rc8 20. d4 cxd4 21. Rxc8+ Qxc8 22. Qxd4 Qc4 23. Qxc4 Nxc4 24. Rc1 Nd6 25. Nc7+ Kf7 26. Kf3 Rg5 27. Nfd5 Bg7 28. b6 axb6 29. Nxb6 Ra5 30. a4 Re5 31. Nc4 Rc5 32. Nxd6+ exd6 33. Rxc5 dxc5 34. a5 f5 |
| ECO A35 in 1998 play it! wcrafty11 defeats black's cometwb in 138 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 d6 7. Bd2 Nf6 8. e4 Bd7 9. Be2 h5 10. O-O Rc8 11. Bf4 Qa5 12. Qd3 Ng4 13. Rfb1 g5 14. Bd2 Qc5 15. Rf1 Nb4 16. Nxb4 Qxb4 17. Qc2 Be5 18. h3 Nh2 19. a3 Qc5 20. Rfd1 g4 21. Be3 Qc7 22. Bd4 Bxd4 23. Rxd4 gxh3 24. Kxh2 hxg2 25. Kxg2 Rg8+ 26. Kh1 Qc5 27. Qd2 Bg4 28. b4 Qe5 29. Rg1 Qf6 30. Rg3 Qxf2 31. Rg2 Bf3 32. Bxf3 Qxf3 33. Nd5 Rxc4 34. Rxc4 Qf1+ 35. Kh2 Rxg2+ 36. Qxg2 Qxc4 37. Nf4 Qb3 38. Nxh5 Qc3 39. Qa2 Qf3 40. Qd5 Qf2+ 41. Kh3 Qf1+ 42. Kh4 Qf2+ 43. Ng3 Qb6 44. Kg4 Qa6 45. Qb3 b6 46. Qc3 Kd7 47. Qb3 Ke8 48. a4 Qc8+ 49. Kf3 Qc1 50. b5 Qd2 51. Qc4 Qd1+ 52. Ne2 e6 53. Ke3 Kf8 54. Qc7 d5 55. Qxa7 Qb3+ 56. Kf2 dxe4 57. Qxb6 f5 58. Qd8+ Kf7 59. Qc7+ Ke8 60. b6 e3+ 61. Kg3 Qxa4 62. Qb8+ Ke7 63. Qa7+ Qd7 64. b7 Qc7+ 65. Kh3 e5 66. b8=Q Qxa7 67. Qxa7+ Kf6 68. Kg3 Ke6 69. Nf4+ Kf6 |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 84 moves | 1. c4 c5 2. g3 Nc6 3. Bg2 b6 4. e3 Bb7 5. Ne2 Qc7 6. O-O Ne5 7. d3 Bf3 8. Nbc3 Nf6 9. e4 O-O-O 10. Bxf3 Nxf3+ 11. Kg2 Ne5 12. Bf4 d6 13. Nb5 Qb7 14. Nec3 a6 15. Na3 h6 16. Nc2 g5 17. Be3 g4 18. b4 Bg7 19. Rb1 Qa7 20. a4 Kd7 21. a5 bxa5 22. bxc5 dxc5 23. Bf4 Ng6 24. e5 Qa8+ 25. Kg1 Nxf4 26. gxf4 g3 27. fxg3 Ne8 28. Nd5 Qa7 29. Nce3 f6 30. Qg4+ e6 31. exf6 Bf8 32. Qh5 Nd6 33. Nb6+ Kc6 34. Na4 Rc8 35. Rfe1 Rh7 36. Rb6+ Qxb6 37. Nxb6 Kxb6 38. Ng4 a4 39. Rxe6 Ka5 40. Qe5 h5 41. Ne3 Rc6 42. Nd5 Rb7 |
| ECO A15 in 1998 play it! wcrafty11 defeats black's cometwb in 92 moves | 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 b6 7. O-O Bb7 8. cxd5 exd5 9. d3 Nbd7 10. Nbd2 Re8 11. Qc2 c5 12. d4 Ba6 13. Rfe1 Rc8 14. Qf5 c4 15. bxc4 dxc4 16. Bc3 g6 17. Qc2 Nd5 18. e4 Nxc3 19. Qxc3 Rc7 20. d5 Qa8 21. Rac1 Bc5 22. a4 Qd8 23. Bf1 Nf6 24. Nd4 Qd6 25. Nb5 Bxb5 26. axb5 Bb4 27. Qd4 Bxd2 28. Qxd2 Rxe4 29. Rxe4 Nxe4 30. Qd4 Ng5 31. Rc3 a6 32. bxa6 b5 33. a7 Rc8 34. Qg4 Qd8 35. h4 Ra8 36. Qxg5 Qxg5 37. hxg5 Rxa7 38. Be2 Re7 39. Bf3 Re1+ 40. Kg2 Kf8 41. d6 Re6 42. Bc6 b4 43. d7 Ke7 44. Rxc4 b3 45. Ba4 Rd6 46. Re4+ Kd8 |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 98 moves | 1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. Nc3 g6 7. h4 Nxc3 8. bxc3 c4 9. O-O Qa5 10. Qc2 Bg7 11. Nh2 Bf5 12. Qb2 O-O-O 13. Bxc6 bxc6 14. Re1 h5 15. Nf3 e5 16. e4 Bg4 17. Rb1 Qc7 18. Nh2 Be6 19. Qa3 Kd7 20. Nf3 Rb8 21. Rxb8 Rxb8 22. Ng5 Bg4 23. Nxf7 Rf8 24. Ng5 Qb6 25. Re3 Bh6 26. Qa4 Bxg5 27. hxg5 Be6 28. Qd1 Qb1 29. d4 cxd3 30. Rxd3+ Kc7 31. a4 Bg4 32. Qd2 Qa1 33. c4 Qxa4 34. Ra3 Qxc4 35. Rxa7+ Kb8 36. Rg7 Kc8 37. Qb2 Bd7 38. Qa3 Rd8 39. Bd2 Qb5 40. Qa8+ Qb8 41. Qxb8+ Kxb8 42. Ba5 Re8 43. Rxd7 Re6 44. Bb4 Kc8 45. Rd6 Rxd6 46. Bxd6 c5 47. Bxe5 Kd7 48. f4 Ke6 49. Kf2 c4 |
| ECO A15 in 1998 play it! wcrafty11 defeats black's cometwb in 46 moves | 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. d4 dxc4 5. Bg2 Nc6 6. O-O Rb8 7. a4 a6 8. a5 Bb4 9. Qc2 Qd5 10. Bf4 Bxa5 11. Ne5 Nxd4 12. Qd1 Qc5 13. Rxa5 Nxe2+ 14. Qxe2 Qxa5 15. Nxc4 Qc5 16. Be3 Qf5 17. Bb6 Ng4 18. Bxc7 Qh5 19. h3 Ra8 20. Nb6 Nf6 21. Qxh5 Nxh5 22. Nxa8 b5 23. Nb6 O-O |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 64 moves | 1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. Nc3 e6 6. O-O Be7 7. Re1 d6 8. e4 a6 9. d4 cxd4 10. Nxd4 Qc7 11. b3 O-O 12. Bb2 Re8 13. Rc1 Bf8 14. a4 Be7 15. Qf3 Qc5 16. Rcd1 Nbd7 17. Rd2 Ne5 18. Qf4 Nxc4 19. bxc4 e5 20. Qe3 Ng4 21. Qe2 exd4 22. Qxg4 Bc8 23. Qf3 dxc3 24. Qxc3 Bf6 25. e5 Ra7 26. Rd5 Qc6 27. exf6 Rxe1+ 28. Qxe1 Be6 29. Rd2 Qxc4 30. fxg7 Qb4 31. Bf6 Rd7 32. Bd5 Re7 |
| ECO A16 in 1998 play it! wcrafty11 defeats black's cometwb in 60 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nxc3 10. bxc3 Nc6 11. d4 O-O 12. Be3 cxd4 13. cxd4 Bb4 14. Re2 Rc8 15. Rc1 f5 16. Bg5 Qd7 17. exf5 Rxf5 18. Bh3 Qd5 19. Bxf5 Qxf5 20. Bf4 Ba6 21. Rec2 Bb7 22. Ne5 Qe4 23. d5 Ne7 24. Rxc8+ Nxc8 25. Rc4 Qe1+ 26. Qxe1 Bxe1 27. dxe6 Nd6 28. Rc7 Be4 29. e7 Bf5 30. Rxa7 g5 |
| ECO A15 in 1998 play it! wcrafty11 defeats black's cometwb in 74 moves | 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nxc3 10. bxc3 c5 11. d4 Nd7 12. Bf4 cxd4 13. cxd4 Rc8 14. d5 exd5 15. exd5 Bf6 16. Rc1 Rxc1 17. Bxc1 Qa8 18. Ng5 h6 19. Nh3 Rd8 20. Nf4 Ne5 21. Qe2 Re8 22. Bd2 Qc8 23. Qe4 a5 24. Nh5 Bg5 25. f4 g6 26. fxg5 gxh5 27. gxh6 Qc5+ 28. Kh1 f6 29. Bf4 Re6 30. Bxe5 fxe5 31. Qh4 Rg6 32. Qd8+ Kh7 33. Qd7+ Kxh6 34. Qxb7 Qf2 35. Rxe5 h4 36. Qb8 Qf6 37. g4 Kg7 |
| ECO A35 in 1998 play it! wcrafty11 defeats black's cometwb in 68 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 e5 5. b3 Be7 6. Bb2 O-O 7. Bd3 d6 8. e4 Re8 9. O-O Qa5 10. Nd5 Nb4 11. Nxb4 cxb4 12. Bc2 Bd7 13. d4 exd4 14. Bxd4 Bd8 15. Re1 Rc8 16. Qd3 h6 17. Bxf6 Bxf6 18. e5 Bxe5 19. Qh7+ Kf8 20. Qh8+ Ke7 21. Nxe5 dxe5 22. Qxg7 Rc5 23. Be4 Bc6 24. Bxc6 bxc6 25. Qxh6 Rg8 26. Rad1 Rg6 27. Qh8 Qc7 28. h4 Ra5 29. h5 Rg5 30. Re2 Rf5 31. h6 Rh5 32. h7 a6 33. Qg8 e4 34. Rxe4+ Rae5 |
| ECO A35 in 1998 play it! wcrafty11 defeats black's cometwb in 120 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. d4 cxd4 6. Nxd4 dxc4 7. Nxc6 Qxd1+ 8. Nxd1 bxc6 9. Bg2 Nd5 10. Ne3 e6 11. Nxc4 Ba6 12. b3 Bb4+ 13. Bd2 Bxd2+ 14. Nxd2 Nb4 15. Kd1 O-O-O 16. a3 Nd5 17. Rc1 Kb7 18. Ke1 h6 19. Ne4 Kb6 20. Nc5 Bb7 21. e4 Ne7 22. Bf3 Rd4 23. Kf1 Rhd8 24. Kg2 Rd2 25. Rhf1 Ba6 26. Rfd1 Rxd1 27. Bxd1 Rd2 28. Bh5 g6 29. Bf3 e5 30. h4 Bc8 31. h5 gxh5 32. Bxh5 f6 33. Kf3 Ra2 34. a4 f5 35. Bf7 Rb2 36. Ke3 fxe4 37. Nxe4 Nf5+ 38. Kd3 Ba6+ 39. Kc3 Re2 40. a5+ Kc7 41. Nc5 Bb5 42. Rc2 Kd6 43. Rxe2 Bxe2 44. b4 Nd4 45. a6 Nb5+ 46. Kd2 Nd4 47. Ke3 Bb5 48. Bg6 Ne6 49. Nxe6 Kxe6 50. Bd3 Kd5 51. Bxb5 cxb5 52. f3 Kc4 53. f4 exf4+ 54. gxf4 Kd5 55. Kf3 h5 56. Ke3 Ke6 57. Ke4 Kf6 58. f5 Kg5 59. Ke5 h4 60. f6 h3 |
| ECO A15 in 1998 play it! wcrafty11 defeats black's cometwb in 66 moves | 1. c4 Nf6 2. Nf3 c5 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nc6 6. g3 Bc5 7. Nb3 Bb4 8. Bg2 d5 9. cxd5 Nxd5 10. a3 Bxc3+ 11. bxc3 O-O 12. Bd2 Qf6 13. c4 Nde7 14. Qc1 Qg6 15. Rb1 Rd8 16. O-O Qh5 17. Qe1 Bd7 18. Na5 Nd4 19. e3 Ne2+ 20. Kh1 Rab8 21. Nxb7 Rdc8 22. Bb4 Re8 23. Rb2 Bc6 24. Nd6 Bf3 25. Nxe8 Rxe8 26. Bxe7 f6 27. Bd6 e5 28. Rb8 Rxb8 29. Bxb8 a6 30. Bd6 Kf7 31. c5 Kg8 32. c6 Qg4 33. Qb4 Bxg2+ |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 74 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bc4 Nd3+ 7. Ke2 Nf4+ 8. Kf1 Ne6 9. b4 cxb4 10. Nd5 Nc5 11. Qe1 e6 12. Nxb4 Be7 13. e5 Nca6 14. Nxa6 Nxa6 15. d4 Bd7 16. Bd3 Nb4 17. Be4 Rc8 18. Bg5 Nc2 19. Bxc2 Rxc2 20. Qe4 Qc7 21. Bxe7 Kxe7 22. Ne1 Qc4+ 23. Kg1 Rd2 24. Rb1 b6 25. Qh4+ Ke8 26. Qg3 Qxd4 27. a3 Kf8 28. h3 Qc5 29. Rb3 Bc6 30. Rc3 Qb5 31. Kh2 h5 32. Nd3 h4 33. Qe3 Ra2 34. Re1 Qd5 35. Rxc6 Qxc6 36. Nb4 Qc4 37. Rc1 Rxa3 |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 74 moves | 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 e5 6. Nge2 Nge7 7. a3 d6 8. d3 O-O 9. O-O Be6 10. Nd5 Qd7 11. Re1 Rab8 12. Bd2 b5 13. Qc2 bxc4 14. dxc4 Rfe8 15. Rad1 Bf5 16. e4 Bh3 17. Nxe7+ Nxe7 18. Bxh3 Qxh3 19. Bc3 Red8 20. b4 Rbc8 21. b5 Rb8 22. Qd3 Nc8 23. f4 Re8 24. f5 Re7 25. Rf1 Reb7 26. f6 Bf8 27. Nc1 a6 28. a4 axb5 29. cxb5 Bh6 30. Nb3 Nb6 31. Na5 Nxa4 32. Nxb7 Nxc3 33. Qxc3 Rxb7 34. Rxd6 Bf8 35. Rd8 Qh6 36. Ra1 Rxb5 37. Qd2 Qg7 |
| ECO A15 in 1998 play it! wcrafty11 defeats black's cometwb in 84 moves | 1. c4 Nf6 2. Nf3 e6 3. d4 c5 4. e3 d5 5. cxd5 exd5 6. Be2 Nc6 7. O-O cxd4 8. Nxd4 Nxd4 9. Qxd4 Bd6 10. Nc3 O-O 11. Bf3 Be6 12. Rd1 Qc7 13. Qh4 Qe7 14. Bd2 Rfc8 15. Nb5 Ne4 16. Qxe7 Bxe7 17. Nd4 Bd6 18. Bxe4 dxe4 19. Nxe6 fxe6 20. Bc3 Rc6 21. Rd2 Rf8 22. Rad1 Bc7 23. Rd7 e5 24. R1d2 Rc5 25. Re7 Rf7 26. Re8+ Rf8 27. Rxf8+ Kxf8 28. Bb4 b6 29. Bxc5+ bxc5 30. Rd7 Bb6 31. Rd5 Bc7 32. Rxc5 Bd6 33. Rc4 Ke7 34. Rxe4 Ke6 35. Kf1 a5 36. Ke2 Bb4 37. Rc4 h5 38. h4 Kf5 39. e4+ Kg4 40. g3 g5 41. Rxb4 axb4 42. f3+ Kxg3 |
| ECO A10 in 1998 play it! wcrafty11 defeats black's lgol11exe in 91 moves | 1. c4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 c6 5. O-O d5 6. b3 Bd6 7. Bb2 O-O 8. d3 Qe7 9. d4 dxc4 10. bxc4 c5 11. dxc5 Bxc5 12. Ne5 Nbd7 13. Nd3 Rd8 14. Nd2 Kh8 15. Qc2 Ng4 16. Nb3 Bd6 17. c5 Be5 18. Nxe5 Ngxe5 19. Rfd1 Rb8 20. Rab1 Ng4 21. Bd4 e5 22. Bc3 e4 23. Ba5 b6 24. c6 e3 25. Be1 exf2+ 26. Bxf2 Nxf2 27. Kxf2 f4 28. gxf4 Re8 29. Rd3 Qh4+ 30. Kg1 Nf8 31. c7 Rb7 32. Rf1 Ng6 33. Rd4 Qf6 34. Qc6 Rg8 35. Qxf6 gxf6 36. Bxb7 Nxf4+ 37. Kf2 Nh3+ 38. Ke3 Bxb7 39. Rd8 Kg7 40. Nd4 Kf7 41. Nf5 Re8+ 42. Kd2 Re6 43. Nd6+ Rxd6+ 44. Rxd6 Ng5 45. Rdxf6+ Ke8 46. Ke3 |
| ECO A30 in 1998 play it! wcrafty11 defeats black's cometwb in 112 moves | 1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. Nc3 Nc7 7. O-O e5 8. Ne1 Be6 9. Bxc6+ bxc6 10. Qa4 Qd7 11. Qe4 f6 12. Ng2 Bd6 13. d3 O-O 14. Bd2 Bd5 15. Qh4 Rab8 16. b3 Nb5 17. Rac1 Nd4 18. f4 exf4 19. Nxf4 Bxf4 20. Qxf4 Rfe8 21. Rf2 Re5 22. e3 Ne6 23. Qg4 Rg5 24. Qh4 Rb4 25. e4 Re5 26. Ne2 Rb7 27. exd5 Qxd5 28. Qc4 Re7 29. Qxd5 cxd5 30. Nf4 d4 31. Nxe6 R7xe6 32. Bf4 Re1+ 33. Rxe1 Rxe1+ 34. Kg2 Rd1 35. Rd2 Rxd2+ 36. Bxd2 Kf7 37. Bf4 Ke6 38. Bb8 a6 39. Kf3 Kd5 40. Kg4 g6 41. Bc7 Kc6 42. Bd8 f5+ 43. Kf4 Kd7 44. Ba5 Kc6 45. Ke5 Kb5 46. Bc7 Kc6 47. Bb8 Kb7 48. Bd6 Kc6 49. b4 cxb4 50. Bxb4 Kb5 51. Be7 h6 52. Kxd4 Kc6 53. Ke5 h5 54. Ke6 a5 55. d4 Kb7 56. d5 f4 |