| ECO A05 in 1926 play it! kostic boris defeats white's tartakower savie in 110 moves | 1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 Bf5 5. O-O e6 6. b3 Nbd7 7. Bb2 h6 8. d4 Bd6 9. Nbd2 O-O 10. Ne5 a5 11. Nxd7 Qxd7 12. f3 Rfe8 13. e4 dxe4 14. Nxe4 Be7 15. Qe2 a4 16. Rfd1 b5 17. Rac1 axb3 18. axb3 Ra2 19. Nc3 Ra5 20. Ra1 Rxa1 21. Bxa1 bxc4 22. bxc4 Ra8 23. Bb2 Qb7 24. Bf1 Qb3 25. Rd2 Bb4 26. Qd1 Ra3 27. Bxa3 Qxa3 28. Ne4 Qe3+ 29. Rf2 Nxe4 30. fxe4 Be1 31. Qe2 Bxf2+ 32. Qxf2 Qxf2+ 33. Kxf2 Bxe4 34. Ke3 Bh1 35. c5 g5 36. h4 Bd5 37. hxg5 hxg5 38. Bd3 f5 39. Be2 Kg7 40. Ba6 Kf6 41. Bc8 e5 42. Bd7 f4+ 43. gxf4 gxf4+ 44. Kd3 e4+ 45. Ke2 Kg5 46. Kf2 Kh4 47. Bc8 e3+ 48. Ke2 Kg3 49. Ba6 Kg2 50. Bd3 Bf3+ 51. Ke1 Kg1 52. d5 Bxd5 53. Be2 Kg2 54. Bh5 f3 55. Bxf3+ Kxf3 |
| ECO A06 in 1926 play it! kostic boris defeats white's ujtelky w in 44 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 Bf5 4. Qb3 e6 5. Qxb7 Nbd7 6. e3 Rb8 7. Qxa7 Bb4+ 8. Nc3 Ne4 9. Bd2 Nxd2 10. Nxd2 O-O 11. cxd5 exd5 12. Qa4 c5 13. a3 Ba5 14. dxc5 Rxb2 15. Rc1 Nxc5 16. Qd4 Ne6 17. Qe5 d4 18. Qxf5 dxe3 19. Ndb1 Rxb1 20. Qc2 exf2+ 21. Kxf2 Qd4+ 22. Kf3 Qf4+ |
| ECO A04 in 1949 play it! kostic boris defeats white's bozic aleksandar in 76 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 c6 7. Nc3 d6 8. Qc2 a5 9. b3 Na6 10. Bb2 Qc7 11. e4 Nb4 12. Qe2 fxe4 13. Nxe4 Nxe4 14. Qxe4 Bf5 15. Qe2 e5 16. Rfd1 Rae8 17. dxe5 dxe5 18. Ne1 e4 19. Bxg7 Qxg7 20. g4 Bc8 21. h3 Qf6 22. Bxe4 Bf5 23. f3 Bxe4 24. fxe4 Qe5 25. Ng2 Qc5+ 26. Qe3 Qxe3+ 27. Nxe3 Rxe4 28. Nf1 Nc2 29. Rab1 Re2 30. Rd7 c5 31. Ng3 Re3 32. Kg2 Ne1+ 33. Kh2 Rf2+ 34. Kg1 Rxa2 35. Kf1 Nf3 36. Rbd1 Nh2+ 37. Kg1 Rxg3+ 38. Kh1 Nf3 |
| ECO A06 in 1926 play it! kostic boris defeats white's chodera miroslav in 30 moves | 1. Nf3 d5 2. d4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Ne5 Nbd7 7. g4 Nxe5 8. gxf5 Nxc4 9. fxe6 fxe6 10. Bxc4 dxc4 11. O-O Bb4 12. Ne2 b5 13. b3 cxb3 14. Qxb3 Qe7 15. e4 O-O |
| ECO A10 in 1946 play it! kostic boris defeats white's simonovic borko in 58 moves | 1. c4 f5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4 7. d5 Bf6 8. Nd4 c5 9. Nc2 Nd6 10. dxe6 dxe6 11. Qd3 Nc6 12. f4 Qc7 13. Nba3 Rd8 14. e3 b6 15. Rb1 Ba6 16. Qe2 Rd7 17. Nb5 Qc8 18. Rd1 Nxc4 19. Rxd7 Qxd7 20. Nca3 Nxa3 21. bxa3 Rd8 22. Bb2 Nd4 23. Bxd4 cxd4 24. exd4 Bxd4+ 25. Kh1 Bxb5 26. Qxb5 Qxb5 27. Rxb5 Bc5 28. h4 Rd1+ 29. Kh2 Rd2 |
| ECO A22 in 1925 play it! kostic boris defeats white's de bok in 64 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 Be7 4. Bg2 O-O 5. b3 c6 6. Bb2 d5 7. cxd5 cxd5 8. Qc2 Nc6 9. Rc1 Nb4 10. Qb1 d4 11. Ne4 d3 12. Nxf6+ Bxf6 13. Be4 dxe2 14. Nxe2 g6 15. a3 Nc6 16. h4 Bg7 17. h5 f5 18. Bxc6 bxc6 19. hxg6 hxg6 20. Rc5 Qd6 21. Qc2 Ba6 22. Qc3 f4 23. Nxf4 Rae8 24. Kd1 Qd7 25. Ng2 Rxf2 26. Ne3 Rd8 27. Bc1 Bd3 28. Bb2 Be4 29. Rf1 Qxd2+ 30. Qxd2 Rdxd2+ 31. Kc1 Rxb2 32. Rxf2 Rxf2 |
| ECO B33 in 1948 play it! kostic boris defeats white's matanovic alexan in 70 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 h6 8. Bc4 Be7 9. Be3 O-O 10. Qd2 Be6 11. Bd5 Bxd5 12. Nxd5 Nxd5 13. Qxd5 a5 14. Qd1 a4 15. Nc1 a3 16. b3 d5 17. exd5 Bb4+ 18. Kf2 Bc3 19. Rb1 Ne7 20. d6 Nf5 21. Qd3 Nxe3 22. Qxc3 Nf5 23. Qb4 Rc8 24. c3 b5 25. Re1 Qb6+ 26. Kf1 Ne3+ 27. Rxe3 Qxe3 28. Ne2 Qd3 29. Rc1 Rfd8 30. Qxa3 Rxd6 31. Qa7 e4 32. f4 e3 33. Re1 Rxc3 34. Qb8+ Kh7 35. Qe8 Rc1 |
| ECO B40 in 1926 play it! kostic boris defeats white's hromadka karel in 84 moves | 1. e4 c5 2. Nf3 e6 3. Be2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Be7 7. O-O O-O 8. Be3 a6 9. a4 Nc6 10. Nb3 Na5 11. Nxa5 Qxa5 12. Qd2 Kh8 13. f4 Bd7 14. Bf3 Rac8 15. Qd3 Rfd8 16. Ne2 d5 17. e5 Ne4 18. Nd4 Nc5 19. Qe2 Ne4 20. c3 f5 21. exf6 Bxf6 22. Bxe4 dxe4 23. Bf2 e5 24. fxe5 Qxe5 25. Be3 Qe8 26. a5 Qg6 27. Rf2 Re8 28. Kh1 h6 29. Qc2 Bh4 30. g3 Bf6 31. Qb3 Bxd4 32. cxd4 Bg4 33. Qxb7 Bf3+ 34. Kg1 Rb8 35. Qd7 Rb3 36. Re1 Reb8 37. Bf4 R8b5 38. Be5 Rxb2 39. Rxf3 exf3 40. Bxg7+ Qxg7 41. Re8+ Kh7 42. Re7 Rg2+ |
| ECO B29 in 1921 play it! kostic boris defeats white's price hubert ern in 72 moves | 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. g3 Nxc3 6. bxc3 d6 7. d4 Nc6 8. Bg2 cxd4 9. cxd4 dxe5 10. dxe5 Qc7 11. O-O Be7 12. Qe2 O-O 13. Rd1 Bd7 14. Rb1 Rac8 15. Rb3 Na5 16. Ba3 Ba4 17. Bd6 Bxd6 18. exd6 Qxc2 19. Qxc2 Rxc2 20. Ra3 Rc4 21. Re1 Nc6 22. Rb1 b5 23. Nd2 Rc2 24. Ne4 Ne5 25. Bf1 a6 26. f4 Nc4 27. Rxa4 bxa4 28. Bd3 Rb2 29. Rxb2 Nxb2 30. Bxa6 Rd8 31. Bb5 f5 32. Nc5 Rxd6 33. Nxa4 Rd5 34. Bc6 Rd1+ 35. Kf2 Nxa4 36. Bxa4 Rd2+ |
| ECO B40 in 1922 play it! kostic boris defeats white's spencer edmund in 120 moves | 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 Nc6 5. d4 cxd4 6. Nxd4 Qc7 7. O-O Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. Na4 Bd6 11. g3 Nxe4 12. Qd4 Nf6 13. Nb6 Rb8 14. Nc4 Be7 15. Bf4 Qb7 16. Bxb8 Qxb8 17. Rad1 d5 18. Qe5 Qxe5 19. Nxe5 c5 20. a3 Bd6 21. Nc4 Bc7 22. Ne3 Ke7 23. Bf3 Bd7 24. Rfe1 Kf8 25. b4 c4 26. c3 Ba4 27. Rc1 g6 28. Bd1 Bd7 29. Bc2 Kg7 30. a4 Rb8 31. Rb1 Bc6 32. Nf1 Nd7 33. Ne3 Ne5 34. Red1 Nf3+ 35. Kf1 Be5 36. b5 axb5 37. axb5 Bb7 38. Ke2 Nxh2 39. Rh1 d4 40. Rxh2 dxe3 41. Kxe3 Bxc3 42. Be4 Bd5 43. f4 f5 44. Bf3 Ba5 45. Ra2 Bb6+ 46. Ke2 Kf6 47. Ra6 Ke7 48. Bh1 Kd6 49. Kd2 Kc5 50. Raa1 h5 51. Kc3 g5 52. fxg5 Rg8 53. Rf1 Rxg5 54. Bxd5 exd5 55. Kc2 Kxb5 56. Rf3 h4 57. Rd1 hxg3 58. Rxd5+ Kc6 59. Rdxf5 Rxf5 60. Rxf5 g2 |
| ECO C20 in 1925 play it! kostic boris defeats white's si hukum in 86 moves | 1. e4 e5 2. Be2 Nf6 3. d3 d5 4. exd5 Nxd5 5. Nf3 Nc6 6. O-O Be7 7. a3 O-O 8. b4 Bf6 9. Bb2 e4 10. Bxf6 Qxf6 11. dxe4 Qxa1 12. exd5 Ne7 13. Bc4 Qf6 14. Bb3 b5 15. c4 bxc4 16. Bxc4 Bb7 17. Qb3 Rad8 18. Nc3 Ng6 19. Ne4 Qf4 20. Nc5 Ba8 21. g3 Qf6 22. Rd1 c6 23. d6 Rxd6 24. Rxd6 Qxd6 25. h4 h6 26. Kg2 a5 27. Qc2 axb4 28. axb4 Ne7 29. Qc3 Nd5 30. Qd4 Rd8 31. Ne5 Rb8 32. Ned3 Bb7 33. Qe4 Nxb4 34. Qf5 Nxd3 35. Qxf7+ Kh8 36. Nxb7 Qf6 37. Qxf6 gxf6 38. Nd6 Ne5 39. Bf1 Rb2 40. Kg1 Ng4 41. f3 Ne5 42. Bg2 c5 43. f4 Ng4 |
| ECO C63 in 1927 play it! kostic boris defeats white's weenink henri in 50 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. Nc3 Bb4 6. exf5 O-O 7. O-O d6 8. Bg5 Bxc3 9. bxc3 Bxf5 10. Nd2 Qe8 11. Qf3 Bd7 12. Rae1 Qg6 13. Bxf6 Rxf6 14. Qd5+ Kh8 15. Re3 Raf8 16. Qb3 Qh6 17. Rfe1 Rxf2 18. Nf3 R8xf3 19. Rxf3 Rxf3 20. gxf3 Qd2 21. Qf7 Qxe1+ 22. Kg2 Qd2+ 23. Kh1 Qc1+ 24. Kg2 Qg5+ 25. Kf2 Qd8 |
| ECO C48 in 1919 play it! kostic boris defeats white's marchand b in 136 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 c6 9. Bd3 d5 10. Be3 Bd6 11. Qd2 O-O 12. O-O-O Bf5 13. Rhe1 Bxd3 14. Qxd3 Rfe8 15. Kb1 Re6 16. Bd4 Qe7 17. Rxe6 Qxe6 18. Qe3 Qg4 19. f3 Qh4 20. h3 h6 21. c4 Bf4 22. Qc3 Qg5 23. cxd5 Qxd5 24. Qc5 Qe6 25. Bc3 Bg3 26. Qd4 f6 27. b3 b6 28. Qd7 Qe2 29. Rd2 Qe1+ 30. Kb2 Bf4 31. Rd1 Qe8 32. Qf5 Be5 33. Bxe5 Qxe5+ 34. Qxe5 fxe5 35. Rd6 Rc8 36. Re6 Kf7 37. Rxe5 Rd8 38. Kc1 Kf6 39. Re4 h5 40. c3 g5 41. Kc2 h4 42. Ra4 a5 43. Rc4 c5 44. Re4 Kf5 45. a4 Rd6 46. Rg4 Rd8 47. g3 hxg3 48. Rxg3 Rh8 49. Kd3 Rh4 50. Ke3 c4 51. b4 axb4 52. cxb4 c3 53. Kd3 Rxb4 54. Kxc3 Rxa4 55. Kb3 Rh4 56. Rg1 Rxh3 57. Kc2 Rxf3 58. Rb1 g4 59. Rxb6 Re3 60. Kd2 Re8 61. Rb5+ Kf4 62. Rb4+ Kf3 63. Rb3+ Kf2 64. Rb7 Rd8+ 65. Kc2 g3 66. Rf7+ Kg1 67. Rg7 g2 68. Rf7 Rh8 |
| ECO C75 in 1921 play it! kostic boris defeats white's schweiger j in 68 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O g6 7. d4 Bg7 8. Bg5 Nge7 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bxd7+ Qxd7 12. Bxe7 Qxe7 13. Nd2 O-O-O 14. Qg4+ Kb8 15. Nc4 d5 16. Nxe5 Qxe5 17. exd5 Rxd5 18. Rfd1 Rhd8 19. Rxd5 Rxd5 20. g3 Rd2 21. Qb4 Qf6 22. Rf1 h5 23. h4 b6 24. a4 a5 25. Qb5 Kb7 26. f3 Qe6 27. Rf2 Qe3 28. Qf1 Rxb2 29. Kg2 Rxf2+ 30. Qxf2 Qxf2+ 31. Kxf2 b5 32. Ke2 bxa4 33. Kd2 Kb6 34. Kc2 Kb5 |
| ECO C66 in 1916 play it! kostic boris defeats white's hodges albert in 66 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Nc3 Be7 6. d4 Bd7 7. Re1 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Nde2 Re8 11. Qd3 Ng4 12. Bf4 Bf6 13. Rad1 Ne5 14. Qd2 Qb8 15. Bxe5 Bxe5 16. b3 Re7 17. Kh1 f5 18. exf5 Bxf5 19. Nd4 Bd7 20. f4 Bf6 21. Rxe7 Bxe7 22. Qe2 Bf6 23. Qc4+ Kh8 24. Nxc6 Qb6 25. Ne5 dxe5 26. fxe5 Bxe5 27. Qd5 Re8 28. Qxd7 Qg6 29. Re1 Rf8 30. Qe7 Qf5 31. Ne2 Bd6 32. Qh4 Qxc2 33. Nf4 g5 |
| ECO C42 in 1950 play it! kostic boris defeats white's puc stojan in 100 moves | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. O-O Nxc3 6. dxc3 f6 7. Nh4 g6 8. f4 Qe7 9. Kh1 d6 10. f5 Qg7 11. g4 g5 12. Ng2 Nd8 13. Bd3 c6 14. c4 Be7 15. Be4 h5 16. gxh5 Qf7 17. Ne3 Qxh5 18. Ng4 Nf7 19. Qf3 Bd7 20. Be3 Qh3 21. Bg1 Qxf3+ 22. Rxf3 Rh4 23. h3 Nh6 24. Bf2 Rh5 25. Kg2 a6 26. a4 Nf7 27. Rd1 O-O-O 28. Bb6 Rdh8 29. b4 Nh6 30. Bf2 Nxg4 31. hxg4 Rh2+ 32. Kf1 Rh1+ 33. Ke2 Rxd1 34. Kxd1 d5 35. cxd5 Bxb4 36. dxc6 Bxc6 37. Bxc6 bxc6 38. Rb3 a5 39. c3 Rh3 40. Kd2 c5 41. Be3 c4 42. Rb1 Rh2+ 43. Kd1 Rh1+ 44. Kc2 Rxb1 45. Kxb1 Bxc3 46. Kc2 Bb4 47. Kd1 Kd7 48. Ke2 Kc6 49. Kf3 Kd5 50. Bb6 c3 |
| ECO C51 in 1915 play it! kostic boris defeats white's mlotkowski stasc in 62 moves | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 Bb6 7. dxe5 h6 8. Ba3 Nge7 9. O-O O-O 10. Kh1 Re8 11. Nh4 Nxe5 12. Bb3 N7g6 13. Nxg6 Nxg6 14. Nd2 d6 15. f4 Qh4 16. Qf3 Bd7 17. h3 Bc6 18. Rae1 Bb5 19. c4 Bc6 20. Bb2 Ba5 21. Bc1 f5 22. c5+ Kh7 23. Bc2 dxc5 24. Re3 Rad8 25. Nc4 Bb6 26. Kh2 Rd4 27. g3 Qd8 28. Bb3 Rdxe4 29. Qh5 Rxe3 30. Bxe3 Rxe3 31. Nxe3 Qd2+ |
| ECO C48 in 1950 play it! kostic boris defeats white's rellstab ludwig in 80 moves | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Bc5 6. Nxe5 O-O 7. Nd3 Bb6 8. Nf4 c6 9. d3 d5 10. Be3 Re8 11. Bxd4 Bxd4 12. O-O Bg4 13. Qc1 dxe4 14. h3 e3 15. hxg4 Nxg4 16. Ne4 Qh4 17. Nh3 e2 18. Qf4 exf1=Q+ 19. Rxf1 Be5 20. Qc1 Nh2 21. Rd1 Nf3+ 22. Kf1 h6 23. Bb3 Nd4 24. Bc4 b5 25. c3 bxc4 26. cxd4 cxd3 27. Qxc6 Rac8 28. Qb7 Rb8 29. Qc6 Re6 30. Qd5 Rd8 31. Qa5 Rxd4 32. Nc5 Rd5 33. Qxa7 Bd4 34. b4 Bxc5 35. bxc5 d2 36. Qb8+ Rd8 37. Qb3 Qh5 38. f3 Qe5 39. Qb1 Qe2+ 40. Kg1 Qxd1+ |
| ECO C42 in 1928 play it! kostic boris defeats white's engel jindrich in 72 moves | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bc5 6. Nxc6 bxc6 7. Bd3 d6 8. O-O O-O 9. Bg5 Qe7 10. Kh1 Qe5 11. f4 Qd4 12. Bh4 Ng4 13. Qf3 Qe3 14. h3 Qxf3 15. Rxf3 Nf6 16. Bxf6 gxf6 17. Na4 Bb6 18. c4 Bd4 19. Rc1 c5 20. Nc3 c6 21. Rc2 Rb8 22. b3 a5 23. Ne2 a4 24. bxa4 Bb2 25. Rd2 Be6 26. Ng3 Bd4 27. f5 Bc8 28. Bc2 Be5 29. Bb3 Ba6 30. Nf1 Rfd8 31. Rd1 Kf8 32. Nd2 Ke7 33. Nf1 d5 34. Rfd3 dxc4 35. Rxd8 Rxd8 36. Rxd8 cxb3 |
| ECO C65 in 1916 play it! kostic boris defeats white's schroder in 62 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Be2 Bc5 10. O-O O-O 11. Kh1 f5 12. f4 Qd6 13. Bd3 Qf6 14. Qf3 c6 15. Bd2 d5 16. Rae1 Be6 17. b3 Rae8 18. c4 Bf7 19. Re5 Rxe5 20. fxe5 Qxe5 21. Qh3 g6 22. cxd5 Bxd5 23. Re1 Qb8 24. Bc3 Re8 25. Rf1 Qd6 26. Qh6 Qf8 27. Qg5 Be3 28. Qh4 Bh6 29. Bxf5 gxf5 30. Qg3+ Bg7 31. Rxf5 Re1+ |