| ECO B20 in 1955 play it! ivkov borislav defeats black's bauza lorenzo in 37 moves | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 Nd7 6. Bc4 e6 7. Bf4 e5 8. Qb3 d5 9. Bxd5 Nc5 10. Bxf7+ Ke7 11. Bg5+ Nf6 12. Nd5+ Kxf7 13. Nxe5+ Ke8 14. Nxf6+ Qxf6 15. Qb5+ Bd7 16. Nxd7 Nd3+ 17. Qxd3 Qxg5 18. Nxf8 Rxf8 19. O-O |
| ECO B33 in 1955 play it! ivkov borislav defeats black's taimanov mark e in 65 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Ng4 7. Bb5 Nxe3 8. fxe3 Bd7 9. O-O Ne5 10. Nf3 Bxb5 11. Nxb5 Qd7 12. Nxe5 dxe5 13. Qxd7+ Kxd7 14. Rxf7 Kc6 15. Nc3 Rd8 16. Rd1 Rxd1+ 17. Nxd1 g6 18. Kf1 Kd6 19. Rf2 Bh6 20. Rd2+ Ke6 21. c4 Bg5 22. Ke2 h5 23. Nc3 Rc8 24. b3 a6 25. a4 Rc6 26. Nd5 Kf7 27. a5 Rc5 28. Ra2 e6 29. Nb6 Bd8 30. b4 Rc6 31. c5 Bxb6 32. axb6 Ke7 33. Rxa6 |
| ECO B32 in 1968 play it! ivkov borislav defeats black's petrosian tigran in 65 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 O-O 10. O-O Bd7 11. Be3 Qb8 12. f3 Bd8 13. Qd2 Bc7 14. Kh1 b6 15. Rfd1 Ne8 16. Nc2 Ne7 17. Nd4 Nc6 18. a4 Nxd4 19. Qxd4 h6 20. Qd2 Nf6 21. b4 Kh7 22. Rab1 Rd8 23. Bd3 e5 24. c5 bxc5 25. bxc5 Qc8 26. Nd5 Bxa4 27. cxd6 Rxd6 28. Rdc1 Bc6 29. Bc5 Re6 30. Bc4 Qd8 31. Rd1 Re8 32. Qc2 Nh5 33. Ne7 |
| ECO B34 in 1955 play it! ivkov borislav defeats black's pirc vasja in 73 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 d5 11. exd6 Qxd6 12. Qf3 Qe6+ 13. Be2 Ba6 14. O-O Bxe2 15. Nxe2 Nh6 16. Rfe1 O-O 17. Ng3 Qd7 18. Rad1 Qc7 19. Bc5 Rf7 20. b4 Rc8 21. Re6 f5 22. Rde1 Bf6 23. h3 a5 24. a3 axb4 25. axb4 Kg7 26. Ne2 Qd7 27. Qe3 Rd8 28. c3 Ng8 29. Nd4 Rc8 30. Qf3 Qd5 31. Rxc6 Qxf3 32. gxf3 Rxc6 33. Nxc6 Bxc3 34. Re2 e6 35. Rc2 Bf6 36. b5 Rc7 37. Kg2 |
| ECO B33 in 1949 play it! ivkov borislav defeats black's puc stojan in 97 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Be6 11. c3 Bg7 12. Nc2 f5 13. exf5 Bxf5 14. Nce3 Bg6 15. a4 Rb8 16. axb5 axb5 17. Ra6 Qc8 18. Qa1 Kf8 19. Be2 e4 20. O-O Be5 21. Nb6 Qd8 22. Bxb5 Rxb6 23. Bxc6 Rxa6 24. Qxa6 Qh4 25. g3 Qh5 26. Qc8+ Kg7 27. Qg4 Rb8 28. Qxh5 Bxh5 29. g4 Bg6 30. Nc4 Bf4 31. b4 h5 32. b5 hxg4 33. b6 Bf5 34. b7 d5 35. Ne3 Be6 36. Ra1 Rh8 37. Ra8 Bxh2+ 38. Kf1 Bb8 39. Bxd5 Kf6 40. c4 Ke5 41. Bxe6 Kxe6 42. Ra6+ Kd7 43. Nd5 g3 44. fxg3 Bxg3 45. c5 Bc7 46. c6+ Kd6 47. Nxc7 Kxc7 48. Ra8 Rb8 49. Ke2 |
| ECO B23 in 1955 play it! ivkov borislav defeats black's pachman ludek in 94 moves | 1. e4 c5 2. Nc3 g6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7 11. Bd4 Bxe5 12. Be2 Nf6 13. Bxe5 Qxe5 14. O-O O-O 15. Bf3 Rb8 16. Re1 Qc5 17. Na4 Qa5 18. b3 Re8 19. c4 d6 20. Qd4 Bd7 21. Nc3 Qb4 22. Re3 a5 23. Rae1 e5 24. Qh4 Kg7 25. Rd1 Be6 26. Bc6 Rec8 27. Rf3 Rxc6 28. Qxf6+ Kg8 29. Rfd3 Re8 30. Ne4 d5 31. cxd5 Bxd5 32. Rxd5 Rxf6 33. Nxf6+ Kf8 34. Nxe8 Kxe8 35. Rxe5+ Kf8 36. h3 Qa3 37. Re2 Qc5 38. Red2 h5 39. Rd5 Qa3 40. R1d2 Qc1+ 41. Kh2 h4 42. Rd8+ Kg7 43. R8d7 Qe1 44. R7d5 Kh6 45. a3 Qc1 46. b4 Qc7+ 47. Rd6 a4 |
| ECO B92 in 1965 play it! ivkov borislav defeats black's donner janhein in 47 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Qc7 8. O-O b5 9. a4 b4 10. Nd5 Nxd5 11. exd5 Be7 12. Bd2 a5 13. c3 bxc3 14. Bxc3 Nd7 15. Qe1 Bd8 16. Rc1 Qb8 17. Nxa5 Bxa5 18. Bxa5 Qxb2 19. Bb5 Ke7 20. Rc6 Qd4 21. Bc7 Qxd5 22. Bxd6+ Kf6 23. Bxe5+ Kf5 24. Qb1+ |
| ECO B75 in 1964 play it! ivkov borislav defeats black's maskazi in 69 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nbd7 8. Qd2 a6 9. Bc4 b5 10. Bb3 Bb7 11. Bh6 Bxh6 12. Qxh6 Qb6 13. O-O-O Nc5 14. Kb1 Nxb3 15. cxb3 O-O-O 16. b4 Kb8 17. Nb3 Rc8 18. Qg7 Rcf8 19. Qh6 Rc8 20. Na5 Ba8 21. Rhe1 Qa7 22. Qg7 Rcf8 23. Nd5 Rhg8 24. Qh6 Nxd5 25. exd5 Rc8 26. Qxh7 Qf2 27. Qxf7 Qc2+ 28. Ka1 Rge8 29. a3 Qxg2 30. Rxe7 Rxe7 31. Qxe7 Qxh2 32. Qd7 Qe2 33. Qxd6+ Ka7 34. Rh1 Rh8 35. Qc7+ |
| ECO B28 in 1950 play it! ivkov borislav defeats black's van den berg car in 89 moves | 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bd3 O-O 9. a3 Bxc3 10. Bxc3 Nbd7 11. Qe2 Nc5 12. b4 Nxd3+ 13. cxd3 Bg4 14. O-O Nh5 15. d4 Nf4 16. Qe3 f6 17. h3 Be6 18. Kh2 Qe8 19. Ng1 Qh5 20. Rfd1 Rac8 21. Rac1 h6 22. Bb2 Rxc1 23. Rxc1 Rc8 24. d5 Bd7 25. Rxc8+ Bxc8 26. Qb6 Kh7 27. Bc1 Qg5 28. Bxf4 Qxf4+ 29. Kh1 Qxe4 30. Qxd6 b5 31. Qc7 Qc4 32. Qc5 Bb7 33. d6 Qxc5 34. bxc5 Bc6 35. Ne2 a5 36. Nc1 b4 37. axb4 axb4 38. Nb3 Kg6 39. Na5 Bb5 40. c6 Bxc6 41. Nxc6 b3 42. d7 b2 43. d8=Q b1=Q+ 44. Kh2 Qe4 45. Ne7+ |
| ECO B41 in 1960 play it! ivkov borislav defeats black's larsen bent in 77 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Nc6 7. Bg2 Bd7 8. O-O Rc8 9. Ndb5 Qe7 10. Bf4 e5 11. Bg5 Be6 12. Nd5 Qd8 13. Qf3 Bxd5 14. exd5 Nb8 15. Nxa7 Rc5 16. b4 Rc4 17. Qb3 Rg4 18. Bxf6 gxf6 19. Bh3 h5 20. Bxg4 hxg4 21. Qc4 f5 22. Qb5+ Qd7 23. c4 e4 24. Rac1 Na6 25. a3 f4 26. gxf4 f5 27. Qxd7+ Kxd7 28. Nb5 Bh6 29. c5 dxc5 30. bxc5 Bxf4 31. c6+ bxc6 32. dxc6+ Ke7 33. c7 Bxc1 34. Rxc1 Kd7 35. Rc4 Rf8 36. Kg2 f4 37. Rd4+ Kc8 38. Rxe4 Kb7 39. Rc4 |
| ECO B40 in 2005 play it! ivkov borislav defeats black's kovacevic aleksa in 123 moves | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. Re1 d6 8. c3 e5 9. a3 O-O 10. b4 b6 11. Bb2 h6 12. b5 Na5 13. Nbd2 Bd7 14. a4 a6 15. c4 Nb7 16. Rf1 Bg4 17. Qe1 Qd7 18. Kh1 g5 19. Ng1 Ng6 20. Ne2 a5 21. Nc3 Rae8 22. Nd5 Qd8 23. Rg1 Ne7 24. f4 Bc8 25. f5 Nxd5 26. cxd5 f6 27. Bf3 Kf7 28. Bh5+ Ke7 29. Nc4 Kd7 30. Bc3 Re7 31. Rb1 Rh8 32. Rb2 Bf8 33. h4 Rg7 34. Rh2 Be7 35. Bd2 Kc7 36. Rgg2 Qf8 37. Ne3 Bd7 38. Ng4 Kb8 39. Ne3 Bd8 40. Qe2 Rgg8 41. Bg6 Be7 42. hxg5 hxg5 43. Rxh8 Rxh8+ 44. Rh2 Rxh2+ 45. Qxh2 Qg7 46. Kg2 Kc7 47. Nc4 Bf8 48. Qh5 Qh6 49. Kf3 Qxh5+ 50. Bxh5 Nd8 51. Kg4 Be7 52. Bg6 Bf8 53. Kh5 Bg7 54. g4 Bf8 55. Be3 Kb7 56. Bxg5 fxg5 57. f6 Kc7 58. Kxg5 Nb7 59. Bf5 Be8 60. Bg6 Bd7 61. Bh5 Nd8 62. Kh4 |
| ECO B35 in 1965 play it! ivkov borislav defeats black's lehmann heinz in 81 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O Ng4 9. Nb3 Qh5 10. Bf4 Be5 11. Qf3 g5 12. Bg3 Nf6 13. Qe3 Ng4 14. Qf3 Nf6 15. Qd3 a6 16. Nd5 b5 17. Bxe5 bxc4 18. Nc7+ Kf8 19. Qg3 Nxe5 20. Qxe5 d6 21. Qd4 Rb8 22. Nd5 Qg6 23. Nd2 Be6 24. Rfe1 Bxd5 25. exd5 Rb7 26. Nxc4 Kg7 27. Re2 Rhb8 28. b3 Kf8 29. Rae1 Ng8 30. Na5 Rb4 31. c4 R4b6 32. Nc6 R8b7 33. Nxe7 Nxe7 34. Rxe7 Rxe7 35. Qh8+ Qg8 36. Qxg8+ Kxg8 37. Rxe7 Kf8 38. Rc7 Kg7 39. Rc6 Rb8 40. Rxd6 Ra8 41. Kf1 |
| ECO B33 in 1954 play it! ivkov borislav defeats black's petrosian tigran in 87 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 h6 8. Bxf6 gxf6 9. Rd1 a6 10. Be2 h5 11. Nb3 Bd7 12. O-O Qb6 13. Na4 Qc7 14. Qe3 O-O-O 15. Nb6+ Kb8 16. Nxd7+ Rxd7 17. f4 h4 18. Rf3 e5 19. Qf2 exf4 20. Rc3 h3 21. Nd4 Rg8 22. Nxc6+ bxc6 23. Rxh3 Qa7 24. Ra3 a5 25. Rdd3 Qxf2+ 26. Kxf2 Rg5 27. Rac3 Kc7 28. Rc4 Rc5 29. Rxc5 dxc5 30. Rxd7+ Kxd7 31. Bc4 Ke8 32. h4 Bd6 33. Kf3 Kf8 34. Kg4 Be5 35. b3 Kg7 36. Ba6 Kg6 37. Bb7 Bd6 38. h5+ Kg7 39. Bxc6 Bc7 40. Bd5 Bb8 41. Kf3 Be5 42. Ke2 Kf8 43. Kd3 Ke7 44. Kc4 |
| ECO B33 in 1956 play it! ivkov borislav defeats black's taimanov mark e in 99 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 h6 11. Bh4 Qa5 12. e5 dxe5 13. Qxe5 Qxe5 14. fxe5 Nd5 15. Bxe7 Nxe7 16. Bd3 Bd7 17. Bh7+ Kxh7 18. Rxd7 Nc6 19. Rxb7 Nxe5 20. Re1 f6 21. Re3 Rfb8 22. Rc7 Rc8 23. Nb5 Rab8 24. Ra3 a5 25. Rxc8 Rxc8 26. Nd4 Nc4 27. Rc3 e5 28. b3 Nd6 29. Rxc8 Nxc8 30. Nc6 a4 31. bxa4 Kg6 32. a5 Kf7 33. a6 Ke6 34. a7 Nb6 35. Nb4 Kd6 36. c4 Kc5 37. Nd5 Na8 38. Ne3 Kb6 39. Nf5 Kxa7 40. Nxg7 Nb6 41. g4 Nxc4 42. Nf5 e4 43. Nxh6 Ne5 44. h4 Kb6 45. h5 Kc5 46. Kd2 Kd5 47. Nf5 Nf3+ 48. Ke2 Ng5 49. h6 Ke5 50. Ke3 |
| ECO C88 in 1966 play it! ivkov borislav defeats black's damjanovic mato in 65 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. a4 b4 9. d3 d6 10. Nbd2 Na5 11. Ba2 c5 12. Nc4 Nxc4 13. Bxc4 Be6 14. Nd2 Ne8 15. c3 bxc3 16. bxc3 Nc7 17. Bxe6 fxe6 18. Nc4 Rb8 19. Qc2 Qe8 20. Be3 Qh5 21. f3 d5 22. Na5 d4 23. Bf2 Bg5 24. cxd4 Bf4 25. g3 Rf6 26. Nc6 Rb6 27. Ne7+ Kf7 28. gxf4 exf4 29. Qxc5 Qxf3 30. Qxc7 Ke8 31. Nf5 Qg4+ 32. Bg3 Rxf5 33. exf5 |
| ECO C88 in 1964 play it! ivkov borislav defeats black's damjanovic mato in 74 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. a4 Bb7 9. d3 d6 10. Bd2 Nd7 11. Nc3 Nc5 12. Bd5 b4 13. Ne2 Rb8 14. d4 Nd7 15. dxe5 Ncxe5 16. Nxe5 Nxe5 17. Nf4 a5 18. Bxb7 Rxb7 19. Be3 Re8 20. Bd4 Bf6 21. Nd5 c5 22. Bxe5 Bxe5 23. c3 bxc3 24. bxc3 g6 25. Rb1 Qd7 26. Rb5 c4 27. Qe2 Reb8 28. Rxb7 Qxb7 29. Qxc4 Qb2 30. Qc7 Kg7 31. Rf1 Rb7 32. Qxa5 Qc2 33. Ne3 Qb2 34. Qd5 Rc7 35. Nc4 Qxc3 36. Nxd6 Bxd6 37. Qxd6 Rc4 |
| ECO C84 in 1953 play it! ivkov borislav defeats black's udovcic mijo in 37 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Nd7 9. Nbd2 Nc5 10. Bc2 f5 11. d4 fxe4 12. Nxe4 Nxe4 13. Bxe4 exd4 14. cxd4 Kh8 15. d5 Ne5 16. Nxe5 dxe5 17. Qh5 h6 18. Bxh6 Kg8 19. Bxg7 |
| ECO C43 in 1964 play it! ivkov borislav defeats black's beni alfred in 105 moves | 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bd3 Nc6 8. Qf4 Be7 9. Nc3 Be6 10. Be3 Bf6 11. O-O O-O 12. Rad1 Qc8 13. Ng5 Bf5 14. Nge4 Be5 15. Nxd6 Bxf4 16. Nxc8 Bxd3 17. Rxd3 Bxe3 18. Ne7+ Nxe7 19. Rxe3 Nf5 20. Rd3 Rfd8 21. Rfd1 Rxd3 22. Rxd3 Nd6 23. Nd5 Ne8 24. Kf1 Kf8 25. c4 Rd8 26. Ra3 c6 27. Ne3 Rd2 28. Rb3 Rd7 29. Ke2 Ke7 30. c5 Kd8 31. Nc4 Re7+ 32. Kf3 Kc7 33. Ra3 Kb8 34. Rd3 Kc7 35. Nd6 Re6 36. Nc4 Re7 37. Ra3 Kb8 38. g4 Nc7 39. Re3 Rxe3+ 40. Kxe3 Ne6 41. b4 Kc7 42. f4 b6 43. f5 Nd8 44. g5 f6 45. gxf6 gxf6 46. Nd6 Kd7 47. cxb6 axb6 48. Ne4 Ke7 49. a4 c5 50. bxc5 bxc5 51. a5 Nc6 52. a6 h6 53. h4 |
| ECO C88 in 1956 play it! ivkov borislav defeats black's prameshuber alex in 74 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. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. a4 Bd7 13. Nf1 b4 14. Ne3 bxc3 15. bxc3 Rb8 16. d4 cxd4 17. cxd4 Qc7 18. Ba3 Nb4 19. Bb3 Ng4 20. Rc1 Qa7 21. Nf5 Bxf5 22. exf5 exd4 23. Nxd4 Ne5 24. Bxb4 Rxb4 25. Nc6 Nxc6 26. Rxc6 Rd4 27. Qe2 Qb7 28. Rxa6 Qxb3 29. Qxe7 Rxa4 30. Rxd6 Qb8 31. f6 gxf6 32. h3 Qb2 33. Re3 Ra1+ 34. Kh2 Raa8 35. Rg3+ Kh8 36. Rxf6 Qd4 37. Rg4 Qd5 |
| ECO C77 in 1955 play it! ivkov borislav defeats black's karaklajic nikol in 94 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Be7 7. d3 d6 8. a4 b4 9. Nd5 Bg4 10. Be3 Rb8 11. a5 Nxd5 12. exd5 Nd4 13. Bxd4 exd4 14. Ba4+ Kf8 15. h3 Bxf3 16. Qxf3 h5 17. O-O g6 18. Rae1 Kg7 19. Re4 Bf6 20. Qe2 Rf8 21. Re1 Be5 22. f4 f5 23. Rxe5 dxe5 24. Qxe5+ Kh6 25. Qxd4 c6 26. Bxc6 Qxa5 27. Re7 Qb6 28. Qxb6 Rxb6 29. Kf2 Rf6 30. Ke3 Rfxc6 31. dxc6 Rxc6 32. Kd2 g5 33. fxg5+ Kxg5 34. d4 Kf4 35. Kd3 a5 36. c3 bxc3 37. bxc3 Ra6 38. Re2 a4 39. c4 a3 40. Rf2+ Kg3 41. Ra2 Kf4 42. c5 h4 43. Kc4 Ra4+ 44. Kb5 Rxd4 45. Rxa3 Rd2 46. c6 Rb2+ 47. Kc5 Rc2+ |