| ECO A05 in 2004 play it! obukhov alexande defeats white's pedersen christi in 64 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 d5 5. d4 e6 6. cxd5 Nxd5 7. Bg2 Be7 8. O-O O-O 9. Nxd5 exd5 10. dxc5 Bxc5 11. Bg5 Qd7 12. Rc1 Bb6 13. Ne1 h6 14. Bd2 d4 15. Nd3 Re8 16. Nf4 Qd6 17. Re1 Bf5 18. Nd5 Be4 19. Bxe4 Rxe4 20. Nxb6 axb6 21. Qb3 Qe7 22. Kf1 Qd7 23. f3 Re5 24. Bf4 Rd5 25. e4 dxe3 26. Bxe3 Ne5 27. Kg2 Nd3 28. Red1 Re8 29. Qxb6 Nxc1 30. Rxc1 Rd2+ 31. Kg1 Rd3 32. Re1 Rdxe3 |
| ECO A34 in 2000 play it! obukhov alexande defeats white's khismatullin den in 117 moves | 1. c4 c5 2. Nc3 Nf6 3. Nf3 e6 4. g3 Nc6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. b3 Bf6 9. Bb2 b6 10. Qc1 Nxc3 11. Bxc3 Bb7 12. Rd1 Rc8 13. Qb2 Nb4 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. d4 Ke7 17. dxc5 Rxc5 18. Rd2 Rhc8 19. Rad1 Rc1 20. a3 Rxd1+ 21. Rxd1 Nc2 22. a4 Bd5 23. Nd2 Bxg2 24. Kxg2 Rd8 25. e3 Rd3 26. Kf1 Nb4 27. Ke2 Rc3 28. Rb1 f5 29. Rb2 Nd3 30. Rb1 Nb4 31. Rb2 e5 32. Nf3 f6 33. Kd2 Rc5 34. Ke2 Nd5 35. Kd2 Nc3 36. Ne1 Ne4+ 37. Ke2 Rc3 38. Nd3 Kd6 39. b4 Kd5 40. f3 Nd6 41. a5 Nc4 42. axb6 axb6 43. Ra2 e4 44. Nf4+ Kd6 45. Kf2 Rxe3 46. fxe4 fxe4 47. Ra7 Rf3+ 48. Ke1 Rb3 49. Rxh7 Rb1+ 50. Ke2 Rxb4 51. h4 Rb2+ 52. Ke1 Ne5 53. Ra7 e3 54. Ra3 Nc4 55. Rd3+ Kc5 56. Rd5+ Kc6 57. Rf5 Ne5 58. Rxf6+ Kd7 59. h5 |
| ECO A27 in 1992 play it! obukhov alexande defeats white's sorokin maxim in 80 moves | 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. c5 Nf5 10. O-O Nd4 11. Be3 Ne6 12. Rc1 a5 13. Qa4 Qe7 14. Rfd1 Ba6 15. Rd2 Rfb8 16. Qd1 Bc8 17. Na4 Rb4 18. b3 f5 19. Rd3 Rab8 20. Qd2 Qf7 21. f4 Bf6 22. Rd1 Nf8 23. Bd4 Ba6 24. Bxf6 Bxd3 25. Bc3 Be4 26. Bxb4 Rxb4 27. Bf1 Qe7 28. e3 Bd5 29. Bg2 Bxg2 30. Kxg2 h5 31. h4 Kf7 32. Kf2 Ke8 33. Qc3 Kd8 34. Rd4 Rb5 35. e4 fxe4 36. Qe3 Rb4 37. Rxb4 axb4 38. Qd4 Qe6 39. Qe5 Qd5 40. Qf6+ Ke8 |
| ECO B33 in 1992 play it! obukhov alexande defeats white's fedorov alexei in 64 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. O-O-O Be7 10. Bb3 O-O 11. f4 b5 12. f5 Na5 13. fxe6 Nxb3+ 14. axb3 fxe6 15. b4 Qb7 16. Bg5 a5 17. Nb3 axb4 18. Nxb5 Qa6 19. Rhf1 Bd7 20. N5d4 h6 21. Qxa6 Rxa6 22. Bd2 Rb8 23. Rde1 Ng4 24. Nf3 Bb5 25. Rg1 Bc4 26. h3 Nf2 27. Kb1 Nd3 28. Re3 Nc5 29. Be1 d5 30. Nfd2 Rba8 31. exd5 Bxd5 32. Re2 Bg5 |
| ECO B55 in 1991 play it! obukhov alexande defeats white's maljutin evgeny in 106 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be6 7. c4 Nbd7 8. Be3 Rc8 9. N3d2 Nb6 10. b3 Nh5 11. Nc3 Be7 12. g3 g6 13. Bg2 O-O 14. O-O f5 15. exf5 gxf5 16. f4 Nf6 17. Bxb7 Ng4 18. Bxc8 Bxc8 19. Bf2 Nxf2 20. Rxf2 d5 21. cxd5 Bc5 22. fxe5 Nxd5 23. Nxd5 Qxd5 24. Nf3 Qe4 25. Rc1 Bxf2+ 26. Kxf2 f4 27. Qe2 fxg3+ 28. hxg3 Qd5 29. Rc4 Ba6 30. Rg4+ Kh8 31. Qe3 Qd1 32. Rc4 Bxc4 33. bxc4 Rb8 34. Qc3 Qb1 35. g4 Qb2+ 36. Qxb2 Rxb2+ 37. Ke3 Kg7 38. c5 Rxa2 39. c6 Kf7 40. Ke4 Ke7 41. Nd4 Ra5 42. Nf5+ Kd8 43. Nd4 Kc7 44. Kf5 Rd5 45. Nc2 a5 46. Kf6 Kxc6 47. e6 Rd2 48. Ne3 Re2 49. Nc4 Kd5 50. Nxa5 Rxe6+ 51. Kg7 h6 52. Nb3 Ke5 53. Nc5 Rd6 |
| ECO B41 in 1990 play it! obukhov alexande defeats white's kuznecov i in 70 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. O-O b5 8. Bb3 Be7 9. Qf3 Qc7 10. a3 Nc6 11. Be3 Bb7 12. Qg3 O-O 13. f4 Na5 14. Bxe6 Nxe4 15. Nxe4 Bxe4 16. Bf5 Bb7 17. Nf3 Bf6 18. Ng5 g6 19. Qh4 h5 20. Qh3 Nc4 21. Ne6 fxe6 22. Bxg6 Nxe3 23. Qxe3 Qc5 24. Qxc5 dxc5 25. c3 h4 26. Rae1 Kg7 27. Bh5 Bd5 28. Bg4 Kf7 29. Re3 Rg8 30. h3 b4 31. axb4 cxb4 32. Rfe1 bxc3 33. bxc3 a5 34. Bxe6+ Bxe6 35. Rxe6 Rge8 |
| ECO B20 in 1992 play it! obukhov alexande defeats white's kahn evarth in 56 moves | 1. e4 c5 2. Qh5 e6 3. Nc3 Nc6 4. Be2 Nd4 5. Bd1 Nf6 6. Qh4 d6 7. d3 b5 8. Nce2 Be7 9. Nxd4 cxd4 10. Qg3 O-O 11. Nh3 e5 12. O-O d5 13. exd5 Nxd5 14. Qxe5 Bxh3 15. gxh3 Bf6 16. Qf5 g6 17. Qg4 Rc8 18. f4 Ne3 19. Bxe3 dxe3 20. c3 Qxd3 21. f5 Rc5 22. Be2 Qc2 23. Qb4 Be7 24. Bg4 Bd6 25. Rf4 g5 26. Bd1 Qd2 27. Rf3 Qxh2+ 28. Kf1 Rxf5 |
| ECO C45 in 2002 play it! obukhov alexande defeats white's ermolaev andrey in 70 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Bb7 10. b3 O-O-O 11. Bb2 Re8 12. f4 f6 13. Ne4 fxe5 14. fxe5 d5 15. Nd2 Nd7 16. Nf3 g5 17. O-O-O Bg7 18. Qe3 g4 19. Nd2 Kb8 20. cxd5 cxd5 21. Re1 Bxe5 22. Kb1 Qf7 23. Bxe5 Rxe5 24. Qg3 Rxe1+ 25. Qxe1 Qf5+ 26. Kc1 Qe5 27. Bb5 Qc3+ 28. Kb1 c6 29. Be2 Re8 30. Qd1 Nc5 31. Re1 Bc8 32. Qc2 Bf5 33. Qxf5 Qxd2 34. Rc1 Rxe2 35. Qf8+ Kb7 |
| ECO C69 in 2004 play it! obukhov alexande defeats white's hasangatin ramil in 66 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Ne2 Qxd1 9. Rxd1 Bd7 10. Nbc3 Ne7 11. Bf4 O-O-O 12. Nd5 Nxd5 13. Rxd5 Re8 14. f3 Be6 15. Rd2 Be7 16. Nc3 Rhf8 17. g4 Rd8 18. Nd5 Bxd5 19. exd5 c4 20. Re1 Bc5+ 21. Kg2 Rf7 22. Re4 b5 23. Re6 Kb7 24. Rc6 Bb6 25. b3 Ba5 26. Re2 Rxd5 27. Rce6 Rd1 28. bxc4 Ra1 29. cxb5 axb5 30. Re7 Rxe7 31. Rxe7 Rxa2 32. Rxg7 Rxc2+ 33. Kg3 b4 |
| ECO C85 in 2000 play it! obukhov alexande defeats white's chudinovskih ale in 84 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Qe1 c5 8. d3 Bd6 9. Nbd2 Bg4 10. b3 Nd7 11. Bb2 Qf6 12. Qe3 O-O-O 13. Qg5 Qxg5 14. Nxg5 Bh5 15. f4 exf4 16. Nh3 f6 17. Nxf4 Bf7 18. Nc4 Be7 19. a4 Rhe8 20. Rae1 b5 21. axb5 axb5 22. Na5 Nb8 23. c4 c6 24. cxb5 cxb5 25. d4 Kc7 26. d5 Bd6 27. Nd3 Bg6 28. b4 c4 29. Nc5 Bxc5+ 30. bxc5 Rxe4 31. Rd1 Re2 32. Bc1 Be4 33. d6+ Kd7 34. Rf4 f5 35. c6+ Bxc6 36. Rxf5 Rxg2+ 37. Kf1 Rxh2 38. Be3 Ke6 39. Rg5 Kf7 40. Ke1 Bf3 41. Rd2 Rh1+ 42. Kf2 Be4 |
| ECO C57 in 2007 play it! obukhov alexande defeats white's nadyrhanov s in 60 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nxd5 7. Bxb5 Bb7 8. d4 exd4 9. O-O Qf6 10. Qf3 Ne7 11. c3 h6 12. Qxf6 gxf6 13. Ne4 O-O-O 14. Nxf6 d3 15. Rd1 Ne5 16. f4 a6 17. Ba4 N5g6 18. Nd2 Nd5 19. Nxd5 Bc5+ 20. Kf1 Bxd5 21. b4 Be3 22. Bb3 Nxf4 23. Bxd5 Rxd5 24. c4 Rf5 25. Nf3 Nxg2 26. Rxd3 Rg8 27. Bxe3 Rxf3+ 28. Ke2 Rh3 29. Kf1 Re8 30. Kf2 Nxe3 |
| ECO C84 in 2004 play it! obukhov alexande defeats white's babaev rashad in 76 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 b4 9. a5 O-O 10. Nbd2 Rb8 11. Bc4 h6 12. h3 Nh7 13. c3 Ng5 14. Re1 Kh8 15. Nf1 f5 16. Bd5 Nxf3+ 17. Qxf3 bxc3 18. bxc3 Nxa5 19. exf5 Rxf5 20. Qd1 c6 21. Be4 Rf6 22. Qh5 Nb3 23. Rb1 Be6 24. Be3 Bf7 25. Qd1 d5 26. Bf3 d4 27. cxd4 exd4 28. Bc1 a5 29. Ng3 Bb4 30. Re5 a4 31. Ne4 Nxc1 32. Rxc1 a3 33. Nxf6 Qxf6 34. Re2 Bc3 35. Qa4 Qd6 36. Qa7 Bg6 37. Bxc6 a2 38. Be4 Rb1 |
| ECO C69 in 2004 play it! obukhov alexande defeats white's kulicov oleg in 76 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bg4 10. f3 Bd7 11. Bf4 O-O-O 12. Nc3 c4 13. Na5 b5 14. Nd5 Ne7 15. Nxe7+ Bxe7 16. a4 Bc5+ 17. Kf1 Bb6 18. axb5 Bxb5 19. Rxd8+ Rxd8 20. Ke1 g5 21. Bc1 Bg1 22. h3 h6 23. c3 Rd3 24. Ke2 Bb6 25. h4 Kd7 26. Bd2 Ke6 27. hxg5 hxg5 28. Ra3 Rd8 29. Ra1 Rh8 30. Be3 Rh2 31. Kf2 Bxe3+ 32. Kxe3 Rxg2 33. Rb1 Rg3 34. Kf2 Rh3 35. b4 g4 36. fxg4 Rxc3 37. Nb7 Ke5 38. Nc5 Kf4 |
| ECO C69 in 2005 play it! obukhov alexande defeats white's van buitenen her in 80 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bg4 10. f3 Bd7 11. Bf4 O-O-O 12. Nc3 c4 13. Na5 b5 14. a4 Bc5+ 15. Kf1 Ne7 16. axb5 axb5 17. Bg3 Rhe8 18. b3 Bb4 19. Be1 cxb3 20. Nxb3 Kb8 21. Rd3 Be6 22. Nd5 Bxd5 23. exd5 Nxd5 24. Bf2 Nc3 25. Nd4 Kb7 26. Ra7+ Kxa7 27. Nc6+ Ka6 28. Nxd8 Na4 29. Rd7 Nb6 30. Rd1 Bc3 31. Nc6 b4 32. Bg3 Nc4 33. Rd8 Ne3+ 34. Ke2 Re6 35. Ra8+ Kb5 36. Nd8 Re8 37. Rb8+ Kc4 38. Kf2 c5 39. Nb7 Rxb8 40. Bxb8 Nxc2 |
| ECO C69 in 2005 play it! obukhov alexande defeats white's olenin nikolay in 122 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Ne2 Qxd1 9. Rxd1 Bd7 10. Nbc3 O-O-O 11. f3 Ne7 12. Be3 Nc6 13. Nd5 Ne5 14. b3 Be6 15. c4 Bd6 16. Rd2 b6 17. Rad1 Kb7 18. Ng3 Rhe8 19. Nf4 Bc8 20. Nf5 Rd7 21. Kf2 Rf7 22. g4 g6 23. Ng3 f5 24. exf5 gxf5 25. g5 Ng6 26. Ngh5 Bd7 27. Re2 Bc6 28. Bc1 Rxe2+ 29. Kxe2 Ne5 30. Nd5 b5 31. f4 Ng6 32. Kf2 h6 33. h4 Nxh4 34. gxh6 Rh7 35. Rh1 Be7 36. Kg3 Bxd5 37. cxd5 Rxh6 38. Rxh4 Rg6+ 39. Kh3 Rg1 40. Be3 Rh1+ 41. Kg2 Rxh4 42. Ng3 Rh7 43. Nxf5 Rf7 44. Nxe7 Rxe7 45. Kf3 Rd7 46. Ke4 c6 47. d6 Rxd6 48. f5 c4 49. bxc4 bxc4 50. Bc5 Rd7 51. Bd4 c5 52. Bxc5 c3 53. f6 c2 54. Ba3 Kc6 55. Ke5 Rd3 56. f7 Re3+ 57. Kd4 Rf3 58. Bc1 Kb5 59. f8=Q Rxf8 60. Kc3 Rc8+ 61. Kb3 Rc4 |
| ECO C99 in 2004 play it! obukhov alexande defeats white's neelotpal das in 100 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 Bd7 14. Nf1 Rac8 15. Ne3 Nc6 16. d5 Nb4 17. Bb1 a5 18. a3 Na6 19. b4 Ra8 20. Bd2 axb4 21. axb4 Qb7 22. Bd3 Nc7 23. g4 Rxa1 24. Qxa1 Ra8 25. Qb2 g6 26. Rc1 Ra6 27. Nf1 h5 28. g5 Nfe8 29. h4 Qa7 30. Be2 Na8 31. Be3 Nb6 32. Bd3 Bd8 33. Qe2 Ra2 34. N3d2 Qa3 35. Rb1 Bg4 36. f3 Bxf3 37. Qxf3 Qxd3 38. Rd1 Qc3 39. Rb1 Rb2 40. Re1 Rxb4 41. Re2 Qc8 42. Ng3 Nc4 43. Rf2 Qd7 44. Nxc4 Rxc4 45. Kg2 b4 46. Qe2 Rc8 47. Qb2 Qa4 48. Qb1 b3 49. Ne2 Rc2 50. Nc1 Qxe4+ |
| ECO C99 in 2002 play it! obukhov alexande defeats white's yagupov igor rus in 120 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 Bd7 14. Nf1 Rac8 15. Ne3 Nc6 16. d5 Nb4 17. Bb1 a5 18. a3 Na6 19. b4 Ra8 20. Bd2 Qb7 21. Bd3 Rfc8 22. Nc2 axb4 23. axb4 Ne8 24. Nh2 Bd8 25. Qf3 Nac7 26. Ne3 Rxa1 27. Rxa1 Ra8 28. Qd1 Rxa1 29. Qxa1 Qa8 30. Qb2 Qa7 31. Nd1 Na6 32. Be3 Bb6 33. Nf3 g6 34. Qd2 Bxe3 35. Nxe3 Nac7 36. Nc2 Qa2 37. Kh2 Kg7 38. g4 h6 39. Kg3 f5 40. exf5 gxf5 41. Bxf5 Bxf5 42. Ne3 Bb1 43. Nf5+ Kg8 44. Qxh6 Bxf5 45. gxf5 Ng7 46. Qg5 Qc4 47. f6 Qf4+ 48. Qxf4 Nh5+ 49. Kg4 Nxf4 50. Ng5 Nfxd5 51. Ne4 Nxb4 52. Nxd6 Nc6 53. f4 b4 54. Ne4 b3 55. fxe5 Nxe5+ 56. Kg3 Nc4 57. Nc3 b2 58. Kf2 Na3 59. Ke2 Ncb5 60. Nb1 Nxb1 |
| ECO C69 in 2004 play it! obukhov alexande defeats white's pashikian arman in 80 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Ne2 Qxd1 9. Rxd1 Bd7 10. Nbc3 Ne7 11. Bf4 O-O-O 12. Nd5 Nxd5 13. Rxd5 Re8 14. f3 Be6 15. Rd2 Be7 16. Nc3 Rhf8 17. g4 h5 18. h3 g6 19. Nd5 Bd8 20. Kf2 hxg4 21. hxg4 Rh8 22. c4 f5 23. exf5 gxf5 24. g5 c6 25. Nf6 Bxf6 26. gxf6 Bxc4 27. Rg1 Rh4 28. Bd6 Rd4 29. Rgd1 Bxa2 30. b4 Rxd6 31. Rxd6 cxb4 32. Rg1 Kc7 33. Rd2 Bd5 34. Rg7+ Kb6 35. Rg6 Rf8 36. Ke3 Kc5 37. Kf4 b3 38. Kxf5 a5 39. Rg1 a4 40. Rc1+ Bc4 |
| ECO C55 in 1998 play it! obukhov alexande defeats white's baranov grigory in 84 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g6 7. b4 Bg7 8. Nbd2 O-O 9. Bb2 Kh7 10. a4 Nh5 11. b5 Na5 12. Ba2 f5 13. d4 fxe4 14. Nxe4 Rf4 15. Qe1 Rxf3 16. gxf3 Bh3 17. c4 Bxf1 18. Kxf1 b6 19. dxe5 Qh4 20. Ng3 Qxh2 21. Nxh5 Qh1+ 22. Ke2 Qxh5 23. Qh1 Qxh1 24. Rxh1 Re8 25. f4 dxe5 26. fxe5 Bxe5 27. Bxe5 Rxe5+ 28. Kf3 Nb7 29. Bb1 Kg7 30. Be4 Nc5 31. Bc2 Re6 32. Rd1 Rd6 33. Ra1 Rd4 34. Rg1 g5 35. Rg4 Rd2 36. Be4 Ra2 37. Bd5 Rxa4 38. Rg1 Ra3+ 39. Kg4 Kg6 40. f3 h5+ 41. Kg3 Nd3 42. Be4+ Kf6 |
| ECO C45 in 2001 play it! obukhov alexande defeats white's shushkareev gajn in 64 moves | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nd2 Bb7 10. b3 g6 11. Ne4 O-O-O 12. Bg5 Qxe5 13. Bf6 Bb4+ 14. Kd1 Qe6 15. a3 Be7 16. Bxh8 Rxh8 17. Nc3 Qf6 18. Kc2 d5 19. g3 Rd8 20. Bh3+ Kb8 21. Rhe1 Bf8 22. f4 Qh8 23. Qe8 Rxe8 24. Rxe8+ Nc8 25. Rae1 f5 26. g4 Qf6 27. gxf5 Bg7 28. Na4 gxf5 29. Rg8 dxc4 30. bxc4 Qd4 31. Rxg7 Qxg7 32. Bxf5 Qd4 |