[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Henneberger, Walter"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D08"]
[PlyCount "175"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Be6 6. a3 Nge7 7. b4 Ng6 8. Bb2 Qd7 9. Qa4 Rd8 10. Rd1 a6 11. e3 dxe3 12. fxe3 Ngxe5 13. Nxe5 Nxe5 14. Qxd7+ Nxd7 15. Nf3 f6 16. c5 c6 17. Be2 g6 18. 0-0 Bh6 19. e4 Ke7 20. e5 Rhf8 21. exf6+ Nxf6 22. Be5 Be3+ 23. Kh1 Ne4 24. Rd3 Rxd3 25. Bxd3 Nf2+ 26. Rxf2 Bxf2 27. Bd6+ Ke8 28. Bxf8 Kxf8 29. Ng5 Bg8 30. Ne4 Be3 31. Nd6 Bc1 32. Nxb7 Bxa3 33. Bxa6 Bxb4 34. Nd8 Bxc5 35. Nxc6 Bd5 36. Ne5 Ke7 37. Bc4 Bb7 38. Bd3 Ke6 39. Nf3 Kf6 40. h3 h6 41. Kh2 Bf2 42. Nd2 Be3 43. Nf3 g5 44. Be2 Kf5 45. Ne1 Bf2 46. Bg4+ Kg6 47. Nd3 Bd4 48. Bf3 Ba6 49. Be4+ Kf6 50. Kg3 h5 51. Kf3 Bc8 52. Nf2 Be6 53. Nd3 g4+ 54. hxg4 Bxg4+ 55. Kf4 Bb6 56. Ne1 Bc7+ 57. Ke3 Bg3 58. Nf3 Bc8 59. Ng1 Kg5 60. Bf3 Bc7 61. Ne2 Bb6+ 62. Kd2 Bf2 63. Nc3 Bb6 64. Ne4+ Kg6 65. Nd6 Bd7 66. Nc4 Bc7 67. Ke3 Bg3 68. Nd2 h4 69. Ne4 Bc7 70. Nc3 Kg5 71. Ne4+ Kf5 72. Nc3 Bb6+ 73. Kd3 Bc8 74. Ne2 Ba6+ 75. Kd2 Bf2 76. Bc6 Kg5 77. Bf3 Kf5 78. Bc6 Ke5 79. Bf3 Bc8 80. Nc1 Kf4 81. Nd3+ Kg3 82. Nxf2 Kxf2 83. Bd5 Ba6 84. Kd1 Bf1 85. Kd2 Bxg2 86. Be6 Bf3 87. Bd7 Be2 88. Be6 1/2-1/2

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Johner, Hans"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "63"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. exf5 Bc5 6. 0-0 0-0 7. d3 d6 8. Bg5 Bxf5 9. Ne4 Bb6 10. c3 Ne7 11. Ng3 c6 12. Ba4 h6 13. Bxf6 Rxf6 14. Qd2 Bg4 15. Bd1 Ng6 16. d4 Bxf3 17. Bxf3 Nh4 18. Bg4 exd4 19. cxd4 d5 20. Rae1 Qd6 21. Nh5 Rg6 22. h3 Rf8 23. Re5 c5 24. Nf4 cxd4 25. Nxg6 Nxg6 26. Re6 Qf4 27. Rd1 Qxd2 28. Rxd2 Nf4 29. Re5 d3 30. a3 Ne2+ 31. Rexe2 dxe2 32. Rxe2 1/2-1/2

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Brinckmann, Alfred"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "94"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 f5 13. Qe1 Bxd4 14. Bxd4 c5 15. Be3 d4 16. Bc1 Bb5 17. Rf3 Bc6 18. Na3 Qd5 19. Qe2 0-0 20. Qc4 Rab8 21. Rb3 Qxc4 22. Nxc4 Bd5 23. Rxb8 Rxb8 24. Na5 c4 25. b3 c3 26. a4 Rb6 27. Ba3 Rg6 28. Rd1 Nd2 29. g3 Be4 30. Rc1 Nf3+ 31. Kf2 Nxh2 32. Rd1 Nf3 33. Bc5 Ra6 34. Nc4 Bxc2 35. Rc1 Be4 36. Bxd4 Nxd4 37. Rxc3 Rc6 38. Ke3 Nxb3 39. Rxb3 Rxc4 40. e6 Kf8 41. Rb8+ Ke7 42. Rg8 g6 43. Rg7+ Kxe6 44. Rxh7 c5 45. Rxa7 Rc3+ 46. Ke2 Rxg3 47. a5 Ra3 0-1

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Grob, Henry"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "130"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 e6 6. Nf3 Nc6 7. Be2 Bb4 8. 0-0 0-0 9. Bg5 Be7 10. Qc2 dxc4 11. Rad1 h6 12. Be3 a6 13. Bxc4 b5 14. Bb3 Nb4 15. Qe2 Bb7 16. Ne5 Rc8 17. f4 Nbd5 18. Bd2 Nb6 19. Bc1 b4 20. Na4 Nxa4 21. Bxa4 Bd5 22. f5 Bd6 23. fxe6 Bxe6 24. Bb3 Bxb3 25. axb3 a5 26. Qf3 Nh7 27. Qg4 Bxe5 28. dxe5 Qb6+ 29. Kh1 Qe6 30. Qg3 Rfd8 31. h3 Rxd1 32. Rxd1 Nf8 33. Bf4 Ng6 34. Rd6 Qf5 35. Be3 Re8 36. Bd4 Nxe5 37. Rd5 f6 38. Rxa5 Qf1+ 39. Kh2 Nc6 40. Rd5 Re1 41. Qg4 Ne5 42. Bxe5 Qg1+ 43. Kg3 Re3+ 44. Kh4 Qf2+ 45. g3 fxe5 46. Qg6 Qf6+ 47. Qxf6 gxf6 48. Rd7 Rxb3 49. Kg4 Rxb2 50. Kf5 Rf2+ 51. Kg6 Kf8 52. Rb7 Rf3 53. Rxb4 Ke7 54. g4 Rxh3 55. Rb7+ Ke6 56. Rb6+ Kd5 57. Kxf6 e4 58. Kf5 Rf3+ 59. Kg6 Rh3 60. Kf5 e3 61. Rb8 Kd4 62. Rd8+ Kc3 63. Kf4 e2 64. Re8 Kd2 65. Rd8+ Rd3 0-1

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Mueller, Hans"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "95"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. c4 e6 6. b3 Nbd7 7. Bb2 Be7 8. d3 0-0 9. Nbd2 h6 10. Qc2 Bh5 11. Rfe1 Bg6 12. Rad1 a5 13. a3 Bc5 14. e4 dxe4 15. Nxe4 Be7 16. Qc3 Ne8 17. d4 Bxe4 18. Rxe4 Bf6 19. Qc2 Nd6 20. Ree1 Re8 21. Ne5 Qc7 22. f4 Be7 23. Bh3 Bf8 24. Nxd7 Qxd7 25. d5 cxd5 26. cxd5 f5 27. Re5 Qf7 28. Bg2 Ne4 29. Bxe4 fxe4 30. Qxe4 exd5 31. Qxd5 Rxe5 32. Bxe5 Qxd5 33. Rxd5 Bxa3 34. Rd7 Bf8 35. Rxb7 a4 36. bxa4 Rxa4 37. Kg2 Ra8 38. Kh3 Re8 39. Kg4 Re7 40. Rb8 Rd7 41. h4 Kf7 42. h5 Bd6 43. Rb6 Bc5 44. Rc6 Bf2 45. Kf5 Re7 46. g4 Bh4 47. Rc8 Rd7 48. g5 1-0

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Staehelin, Adolf"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "123"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Nge2 Nge7 8. 0-0 0-0 9. d4 cxd4 10. Nxd4 a6 11. a4 Qc7 12. Nb3 b6 13. f4 Rb8 14. Qd2 Rd8 15. Rfd1 Bb7 16. Nd4 Na5 17. b3 Rbc8 18. Nde2 d5 19. e5 Nf5 20. Bf2 h5 21. Ra2 Bf8 22. Nb1 d4 23. Bxb7 Nxb7 24. Qd3 Ne3 25. Nxd4 Nxd1 26. Qxd1 Bc5 27. c3 Na5 28. Nd2 Bxd4 29. Bxd4 Nc6 30. Nc4 Nxd4 31. cxd4 Qc6 32. Rd2 Rb8 33. Nd6 Qd5 34. Qc2 Kg7 35. Qc4 Rd7 36. Qxd5 exd5 37. Rc2 f5 38. h4 Ra8 39. Rc6 Rb8 40. Kf2 Kf8 41. Ke3 Kg7 42. Kd2 Ra7 43. b4 a5 44. b5 Re7 45. Kd3 Kf8 46. Nc8 Rd7 47. Kd2 Kg7 48. Kc2 Kf8 49. Kd3 Kg7 50. e6 Rxc8 51. Rxc8 Kf6 52. Re8 Rc7 53. Rb8 Rc4 54. Rxb6 Rxa4 55. Rd6 Rb4 56. Rxd5 a4 57. Re5 Ke7 58. d5 Re4 59. d6+ Kxd6 60. e7 Rxe5 61. fxe5+ Kxe7 62. b6 1-0

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Zimmermann, Otto"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "103"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bc4 e6 8. 0-0 Be7 9. Qe2 0-0 10. Bf4 Nd5 11. Bg3 Bd6 12. Ne5 f5 13. f4 Qb6 14. c3 Bxe5 15. fxe5 Qd8 16. Rae1 Bd7 17. Bb3 b5 18. Qh5 Be8 19. Qh4 Qxh4 20. Bxh4 Rf7 21. Bg5 a5 22. a3 Rd7 23. Bd2 Rc7 24. h3 Bh5 25. Rf2 a4 26. Ba2 h6 27. Rc1 Rb8 28. Be1 Rcb7 29. Bd2 Kh7 30. Re1 Kh8 31. Bc1 Rd8 32. Rc2 Bg6 33. c4 Nc7 34. cxb5 Nxb5 35. Rxc6 Nxd4 36. Rd6 Rbd7 37. Bxe6 Rxd6 38. exd6 Rxd6 39. Bc4 Rc6 40. Bd3 Rd6 41. Bc4 Rd7 42. Kf2 Bf7 43. Bxf7 Rxf7 44. Bd2 Kh7 45. Re5 Rb7 46. Bc3 Nb5 47. Bb4 Nd4 48. Rd5 Nc6 49. Bc3 g6 50. Rd6 Rc7 51. Rf6 Ne7 52. Be5 1-0

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Seitz, Jakob Adolf"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "104"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bd3 c5 6. c3 Nc6 7. Bg3 Bxg3 8. hxg3 Qd6 9. Nbd2 Bd7 10. Qe2 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Bb5 0-0-0 14. Bxd7+ Rxd7 15. 0-0-0 Kb8 16. Qf3 h6 17. Qf4 Re8 18. Rh4 Qc7 19. Qxc7+ Kxc7 20. Rf4 Kc6 21. Kc2 a5 22. a4 b6 23. b3 Re6 24. Rh1 d4 25. cxd4 cxd4 26. e4 d3+ 27. Kc3 g5 28. Rf3 Ng4 29. Re1 Ne5 30. Rf5 Kb7 31. Nc4 Nxc4 32. bxc4 Rxe4 33. Rxf7 Rxf7 34. Rxe4 Rxf2 35. Kxd3 Rxg2 36. g4 Kc6 37. Re6+ Kc5 38. Re5+ Kd6 39. Rb5 Kc6 40. c5 Rg3+ 41. Kc2 bxc5 42. Rxa5 Rxg4 43. Ra6+ Kb7 44. Rxh6 Rxa4 45. Rg6 Rg4 46. Kc3 Kc7 47. Ra6 Kd7 48. Rg6 Ke7 49. Rc6 c4 50. Rxc4 Rxc4+ 51. Kxc4 Ke6 52. Kd4 Kf5 0-1

[Event "Zuerich Seniors"]
[Site "Zuerich"]
[Date "1962.??.??"]
[Round "?"]
[White "Szabados, Eugenio"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "A88"]
[PlyCount "96"]
[EventDate "1962.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. Nf3 c6 7. 0-0 0-0 8. Qc2 Qc7 9. b3 a5 10. Bb2 Na6 11. Rad1 e5 12. dxe5 dxe5 13. Qd2 e4 14. Ng5 h6 15. Nh3 g5 16. Qd6 Ng4 17. Qxc7 Nxc7 18. Na4 Bxb2 19. Nxb2 Be6 20. Rd6 Rad8 21. Rfd1 Rxd6 22. Rxd6 Kf7 23. Na4 Ke7 24. Rd1 b5 25. cxb5 cxb5 26. Nc5 Nd5 27. Nxe6 Kxe6 28. Rc1 Kd6 29. f3 Nge3 30. fxe4 fxe4 31. Nf2 Nxg2 32. Nxe4+ Ke5 33. Nc5 Ngf4 34. gxf4+ Nxf4 35. Nd3+ Nxd3 36. exd3 Kd4 37. Rc6 Rf5 38. Rd6+ Kc3 39. Rxh6 Kb2 40. Rh5 Kxa2 41. h4 a4 42. b4 a3 43. hxg5 Kb3 44. Kg2 a2 45. Rh1 Kb2 46. Kg3 Rxg5+ 47. Kf4 Rg2 48. d4 a1Q 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "6"]
[White "Euwe, Max"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D09"]
[PlyCount "67"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. Nbd2 Qd7 7. Bg2 Nge7 8. 0-0 Ng6 9. a3 Be7 10. b4 Rd8 11. Bb2 0-0 12. Rc1 Bh3 13. Nb3 Bxg2 14. Kxg2 Qg4 15. Nbxd4 Ncxe5 16. Nxe5 Nxe5 17. e3 Qg6 18. Qe2 c5 19. bxc5 Nd3 20. Rcd1 Nxc5 21. Qf3 f5 22. Ne2 Ne4 23. Nf4 Qc6 24. Nd5 Bd6 25. Qe2 Rc8 26. f3 Ng5 27. Rc1 b5 28. c5 Qxd5 29. Rfd1 Qxf3+ 30. Qxf3 Nxf3 31. cxd6 Ng5 32. Rxc8 Rxc8 33. d7 Rd8 34. Bc3 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "1"]
[White "Kostic, Boris"]
[Black "Bouwmeester, Hans"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "80"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. b4 Bb6 7. a4 a6 8. a5 Ba7 9. Qb3 Qe7 10. 0-0 Nf6 11. Bxd3 0-0 12. Bg5 d6 13. Nbd2 Ne5 14. Nxe5 dxe5 15. Nc4 Rd8 16. Qc2 h6 17. Bh4 Bd7 18. Ne3 g5 19. Bg3 Bxe3 20. fxe3 Bc6 21. Rf5 Rxd3 22. Qxd3 Bxe4 23. Qf1 Bxf5 24. Qxf5 Re8 25. Rf1 Nd5 26. Qd3 Qe6 27. Rf5 f6 28. e4 Nf4 29. Qf3 Rd8 30. Qg4 Qb3 31. Bxf4 exf4 32. Rxf4 h5 33. Qg3 h4 34. Qg4 Rd1+ 35. Rf1 Rxf1+ 36. Kxf1 Qc4+ 37. Kf2 Qxc3 38. Qc8+ Kg7 39. Qxb7 Qd2+ 40. Kf1 Qd1+ 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "3"]
[White "Kostic, Boris"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "54"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bh4 g5 7. Bg3 Ne4 8. Nge2 c5 9. a3 Bxc3+ 10. Nxc3 Nxc3 11. bxc3 Qa5 12. Qd2 Nc6 13. dxc5 Bd7 14. c4 Qxc5 15. cxd5 exd5 16. Bd3 0-0-0 17. 0-0 Qe7 18. f4 Rde8 19. Rae1 gxf4 20. Qxf4 Be6 21. Qa4 Rhg8 22. Rf4 Kb8 23. Rb1 Rc8 24. Rh4 Ka8 25. Qf4 Rg5 26. Rxh6 Rcg8 27. Qf6 Qxa3 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "4"]
[White "Kostic, Boris"]
[Black "Fuderer, Andrija"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "20"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Be3 Bb6 6. h3 Be6 7. Bb3 Nf6 8. Nc3 0-0 9. 0-0 Bxe3 10. fxe3 Ne7 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "8"]
[White "Kostic, Boris"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "C35"]
[PlyCount "27"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Bxd5 Qxd5 8. Bxf4 c5 9. 0-0 Nc6 10. Nc3 Qh5 11. Nb5 0-0 12. Nc7 Rb8 13. Nb5 Ra8 14. Nc7 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "5"]
[White "Kramer, Haije J"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "157"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6 5. Qb3 Qb6 6. c5 Qc7 7. g3 Nd7 8. Bf4 Qc8 9. Bg2 h6 10. 0-0 Ngf6 11. Qd1 Be7 12. b4 a6 13. a4 0-0 14. Ne5 Nxe5 15. Bxe5 Rd8 16. Bxf6 Bxf6 17. f4 a5 18. b5 b6 19. Rc1 Qb7 20. bxc6 Qxc6 21. Nb5 bxc5 22. Rxc5 Qb6 23. Qc1 Qb8 24. e3 Be7 25. Rc7 Rc8 26. Qc6 Rxc7 27. Nxc7 Ra7 28. Nb5 Rb7 29. Rc1 Bb4 30. e4 dxe4 31. Bxe4 Bxe4 32. Qxe4 g6 33. Rc6 Rd7 34. Qc2 Qb7 35. Qc4 Kg7 36. Kf2 Qa8 37. Kg1 Qd8 38. Rc8 Qf6 39. Qc6 Rd8 40. Rc7 Qf5 41. Qc2 Qd5 42. Qe2 Qb3 43. Kf2 Kg8 44. Qc2 Qd5 45. Qc6 Qa2+ 46. Qc2 Qa1 47. Kg2 Qe1 48. Qf2 Qe4+ 49. Qf3 Qb1 50. Qe2 Qb3 51. Qc2 Qd5+ 52. Kg1 h5 53. Qc6 Qb3 54. Qc2 Qf3 55. Qc1 h4 56. Qf1 Qe4 57. Kf2 Rd5 58. Qe2 Qh1 59. Ke3 hxg3 60. hxg3 Rh5 61. Rc2 Rh3 62. Qg2 Qe1+ 63. Kf3 Rh1 64. Qe2 Rf1+ 65. Ke4 Qb1 66. Qd3 Re1+ 67. Kf3 Kg7 68. Nc3 Bxc3 69. Rxc3 Rf1+ 70. Kg2 Rg1+ 71. Kf3 Qe1 72. Kg4 Kh6 73. Rc2 Qa1 74. d5 Rd1 75. Rh2+ Kg7 76. Rd2 f5+ 77. Kf3 Rxd2 78. Qxd2 Qh1+ 79. Ke3 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "9"]
[White "Rellstab, Ludwig Sr"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "54"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

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. a3 Qd7 11. Be3 Bf5 12. 0-0-0 Bxd3 13. Rxd3 Qf5 14. Rhd1 Qxf4 15. Bxf4 0-0-0 16. Nd5 Ne4 17. Nxe7+ Nxe7 18. Rxd8+ Rxd8 19. Re1 f5 20. Bg5 Nxg5 21. Rxe7 Nxf3 22. gxf3 Rd7 23. Re8+ Rd8 24. Re5 g6 25. Re7 Rd7 26. Re8+ Rd8 27. Re7 Rd7 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "7"]
[White "Van Scheltinga, Theo D"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "A87"]
[PlyCount "82"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. Nf3 c6 7. d5 0-0 8. Nd4 c5 9. Nc2 a6 10. a4 a5 11. 0-0 Na6 12. e4 Nb4 13. Ne3 Ng4 14. exf5 Nxe3 15. Bxe3 Bxf5 16. Qd2 Nc2 17. Rac1 Nd4 18. Bxd4 Bxd4 19. Nb5 Bg7 20. b3 Qd7 21. Rce1 Rf7 22. f3 h5 23. f4 b6 24. Be4 Raf8 25. Qd3 h4 26. Bxf5 Qxf5 27. Qxf5 gxf5 28. Nc7 Bf6 29. Ne6 Rc8 30. Kg2 Rh7 31. Rh1 Kf7 32. Kf3 Rg8 33. Reg1 Rh6 34. g4 fxg4+ 35. Rxg4 Rxg4 36. Kxg4 Rg6+ 37. Ng5+ Kg7 38. Kxh4 Kh6 39. Re1 Bxg5+ 40. fxg5+ Rxg5 41. Re6+ Rg6 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1952.??.??"]
[Round "2"]
[White "Yanofsky, Daniel Abraham"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "40"]
[EventDate "1952.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. d3 Bb4 6. Bg5 h6 7. Bd2 d6 8. a3 Bxc3 9. Bxc3 fxe4 10. dxe4 Nxe4 11. Qd5 Nxc3 12. Bxc6+ bxc6 13. Qxc6+ Bd7 14. Qxc3 0-0 15. 0-0 Qc8 16. Rfe1 Rf7 17. Re3 Qb7 18. Nd2 Raf8 19. f3 Be6 20. Qb4 Qb6 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.26"]
[Round "19"]
[White "Kostic, Boris"]
[Black "Nedeljkovic, Srecko"]
[Result "1/2-1/2"]
[ECO "D79"]
[PlyCount "28"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. 0-0 Bg7 5. c4 c6 6. d4 0-0 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 Qb6 10. Na4 Qb5 11. Nc3 Qb6 12. Na4 Qb5 13. Nc3 Qb6 14. Na4 Qb5 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.24"]
[Round "18"]
[White "Simonovic, Borko"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "E51"]
[PlyCount "115"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. e3 Bb4+ 5. Nc3 0-0 6. Bd3 dxc4 7. Bxc4 Nc6 8. 0-0 Bd6 9. e4 e5 10. d5 Ne7 11. Bg5 Ng6 12. Nh4 Nf4 13. Nf5 h6 14. Bxf4 Bxf5 15. exf5 exf4 16. Bd3 a6 17. Re1 Qd7 18. Qf3 Rfe8 19. a3 Rxe1+ 20. Rxe1 Re8 21. Rxe8+ Qxe8 22. Qe2 Qxe2 23. Bxe2 Kf8 24. Kf1 Ke7 25. Bf3 b6 26. Ke2 Be5 27. Kd3 Kd6 28. Ne4+ Nxe4 29. Kxe4 Bxb2 30. a4 Kc5 31. Be2 b5 32. axb5 a5 33. Kd3 Kxd5 34. f3 Bd4 35. h3 Be5 36. Bd1 Kc5 37. Bb3 f6 38. Bc4 Kb4 39. Bf7 Kxb5 40. Bd5 Kc5 41. Bb3 Kb4 42. Bf7 a4 43. Be6 Kc5 44. Bf7 Bb2 45. Ba2 Bc1 46. Bf7 Bb2 47. Ba2 a3 48. Bf7 g6 49. fxg6 f5 50. Ba2 Kd6 51. Bf7 Ke7 52. Ba2 Kf6 53. Bf7 Be5 54. Ba2 Kxg6 55. Bb3 Bd6 56. Ba2 Bc5 57. Bb3 Kg5 58. Ba2 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.23"]
[Round "17"]
[White "Kostic, Boris"]
[Black "Majstorovic, Ljubomir"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "99"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nf6 4. d3 Nc6 5. Be2 g6 6. 0-0 Bg7 7. Qe1 0-0 8. Qh4 Qc7 9. Nc3 b5 10. Nxb5 Qb6 11. Na3 Ba6 12. Re1 Rfe8 13. e4 dxe4 14. dxe4 c4+ 15. Kf1 Nxe4 16. Nxc4 Qb7 17. c3 Rad8 18. Ng5 Nxg5 19. fxg5 Nd4 20. cxd4 Rxd4 21. Qf2 Bxc4 22. Be3 Bxe2+ 23. Rxe2 Rd7 24. Rc1 Red8 25. b3 Qa6 26. Kg1 f5 27. gxf6 exf6 28. g3 f5 29. Rce1 Bc3 30. Rc1 Bb4 31. Rec2 Qb7 32. Qe2 Rd3 33. Rc8 Qe4 34. Rxd8+ Rxd8 35. Qc4+ Qxc4 36. Rxc4 Bf8 37. Ra4 Rc8 38. Kf2 Rc3 39. h4 h6 40. Ke2 g5 41. hxg5 hxg5 42. Kd2 Bg7 43. Rxa7 Rc6 44. Bxg5 Kh7 45. Bf4 Kg6 46. Rd7 Rc8 47. a4 Bc3+ 48. Kd3 Bb4 49. Rc7 Re8 50. Kc4 1-0

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.21"]
[Round "16"]
[White "Andric, Dragoslav"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D50"]
[PlyCount "110"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. Qa4+ Nc6 6. e3 0-0 7. Nf3 h6 8. Bh4 Bd7 9. Qc2 dxc4 10. Bxc4 Bd6 11. 0-0 e5 12. Ne4 Be7 13. Nxe5 Nxe5 14. dxe5 Nxe4 15. Bxe7 Qxe7 16. Qxe4 Bc6 17. Bd5 Bxd5 18. Qxd5 c6 19. Qd4 Rfd8 20. Qc3 Rd5 21. f4 Rad8 22. Rf2 Rd3 23. Qe1 Qc5 24. Re2 Qd5 25. Qf2 Qc4 26. b3 Qe4 27. Rae1 Rd1 28. h3 Kf8 29. Rxd1 Rxd1+ 30. Kh2 Rd3 31. Qf3 Qxf3 32. gxf3 Ke7 33. f5 a5 34. Kg3 Rd1 35. Rc2 Rg1+ 36. Kf4 Rh1 37. Kg3 Rg1+ 38. Kf4 Rh1 39. Rc5 Rxh3 40. Rxa5 Rh4+ 41. Kg3 Rb4 42. Ra8 Rb5 43. Kf4 g5+ 44. fxg6 fxg6 45. Rh8 h5 46. Rh7+ Kf8 47. e4 Kg8 48. Rd7 Kf8 49. Kg5 Rxe5+ 50. Kxg6 Ra5 51. Rxb7 Rxa2 52. Kxh5 Rb2 53. Kg4 c5 54. Rb5 Ke7 55. Rxc5 Rxb3 1-0

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.20"]
[Round "15"]
[White "Kostic, Boris"]
[Black "Kozomara, Vladimir"]
[Result "1/2-1/2"]
[ECO "B59"]
[PlyCount "42"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. 0-0 0-0 9. Be3 e5 10. Nb3 Be6 11. Bf3 a5 12. a3 a4 13. Nc1 Qa5 14. N1a2 Bc4 15. Re1 Rfd8 16. Nd5 Bxd5 17. exd5 Nb8 18. Nb4 Na6 19. Nxa6 Qxa6 20. Be2 Qa5 21. c4 Nd7 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.19"]
[Round "14"]
[White "Puc, Stojan"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D50"]
[PlyCount "52"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e4 dxe4 6. Nxe4 Bb4+ 7. Nc3 h6 8. Be3 0-0 9. Nf3 c5 10. a3 Bxc3+ 11. bxc3 Qa5 12. dxc5 Nc6 13. Qc1 Ne4 14. Rb1 a6 15. Nd2 Nxc5 16. Nb3 Nxb3 17. Rxb3 e5 18. Be2 Nd4 19. Bxd4 exd4 20. 0-0 dxc3 21. Bf3 Be6 22. Rxc3 Qc7 23. c5 Rfd8 24. c6 Bd5 25. cxb7 Qxb7 26. Rc7 Qb6 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.17"]
[Round "13"]
[White "Kostic, Boris"]
[Black "Udovcic, Mijo"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "97"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c3 Nbd7 7. d3 c6 8. Qc2 Re8 9. d4 c5 10. e3 Qc7 11. Ne5 Nb6 12. Nd2 Bf5 13. Qd1 Ne4 14. Nxe4 Bxe4 15. Nd3 Bxd3 16. Qxd3 e6 17. g4 f5 18. Bf3 Nd7 19. gxf5 c4 20. Qe2 gxf5 21. Bd2 Kh8 22. Kh1 Bf6 23. Bh5 Re7 24. Rg1 Rg8 25. Rxg8+ Kxg8 26. Rg1+ Rg7 27. Be8 Nb6 28. Bh5 Nc8 29. Rxg7+ Bxg7 30. Qg2 Nd6 31. Bf3 b5 32. a3 a5 33. Be1 Qe7 34. Kg1 Kf8 35. Kf1 Bf6 36. Qh3 Ke8 37. Qg2 Qf7 38. Qh3 Kd7 39. Bh4 Ne8 40. Bf2 Nc7 41. Qh6 Qe7 42. Be1 Na6 43. Bd1 Kc7 44. Qh5 Kb6 45. Qe2 Qf8 46. Qh5 Qe7 47. Qh6 Nb8 48. Qh3 Nc6 49. Qh5 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.16"]
[Round "12"]
[White "Karaklajic, Nikola"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "20"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 Nc6 10. 0-0-0 Bd7 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.15"]
[Round "11"]
[White "Kostic, Boris"]
[Black "Janosevic, Dragoljub"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "163"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nf6 4. Be2 g6 5. d3 Bg7 6. 0-0 Nc6 7. Qe1 Qc7 8. Qh4 b6 9. a4 Bb7 10. Na3 a6 11. c3 Rd8 12. Bd2 Ne4 13. Bc1 Nd6 14. Bd2 0-0 15. Rae1 e5 16. fxe5 Nxe5 17. Nxe5 Bxe5 18. Bf3 Bc8 19. e4 dxe4 20. dxe4 Be6 21. Bh6 Rfe8 22. Be2 f5 23. Bg5 Ra8 24. Bd3 fxe4 25. Bxe4 Nxe4 26. Rxe4 Bd5 27. Re3 Bd6 28. Rfe1 Rxe3 29. Rxe3 Rf8 30. Re1 Qc6 31. Nc4 Bc7 32. Ne3 Be6 33. Ng4 h5 34. Nf6+ Kg7 35. Ne4 Be5 36. Bh6+ Kxh6 37. Qg5+ Kh7 38. Qxe5 Bf5 39. Ng5+ Kg8 40. Ne6 Qxe6 41. Qxe6+ Bxe6 42. Rxe6 Rb8 43. Rxg6+ Kf7 44. Rh6 c4 45. Rxh5 Rd8 46. Rh4 b5 47. axb5 axb5 48. Rf4+ Kg6 49. h4 Rd1+ 50. Kh2 Rd2 51. b3 cxb3 52. Rb4 b2 53. Rxb5 Rc2 54. Kh3 Rxc3+ 55. g3 Rc2 56. h5+ Kh6 57. g4 Rd2 58. Kh4 Kg7 59. Rb6 Kf7 60. Kg5 Rd5+ 61. Kf4 Rd4+ 62. Kf5 Rd5+ 63. Ke4 Rd2 64. Ke5 Kg7 65. g5 Re2+ 66. Kf4 Kf7 67. Rb7+ Ke6 68. h6 Rf2+ 69. Kg3 Rc2 70. h7 Rc8 71. Kg4 b1Q 72. Rxb1 Kf7 73. Rb6 Kg7 74. g6 Ra8 75. Re6 Rb8 76. Kf5 Ra8 77. Re7+ Kh8 78. Re5 Kg7 79. Kg5 Ra7 80. Rf5 Rb7 81. Rf7+ Kh8 82. Rf8+ 1-0

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.14"]
[Round "10"]
[White "Rabar, Braslav"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "32"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. 0-0 Nd7 5. d3 h6 6. Nbd2 Ngf6 7. c4 e6 8. b3 Be7 9. Bb2 0-0 10. h3 Bh7 11. Ne5 Nxe5 12. Bxe5 Nd7 13. Bb2 Bf6 14. Qc2 Bxb2 15. Qxb2 Qf6 16. Qxf6 Nxf6 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.13"]
[Round "9"]
[White "Kostic, Boris"]
[Black "Milic, Borislav"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "45"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 c5 4. Bg2 Nc6 5. d3 g6 6. c3 Bg7 7. 0-0 0-0 8. Qc2 d4 9. Na3 Nd5 10. Bd2 Bg4 11. Rae1 Rc8 12. Nc4 Bxf3 13. Bxf3 b5 14. e4 Nxc3 15. bxc3 bxc4 16. dxc4 dxc3 17. Bxc3 Bxc3 18. Qxc3 Qd4+ 19. Qxd4 Nxd4 20. Rb1 Rb8 21. Kf2 e6 22. e5 Rfd8 23. Be4 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.11"]
[Round "8"]
[White "Trifunovic, Petar"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "67"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. a3 Ne4 7. Bd3 Nxc3 8. bxc3 Be7 9. 0-0 0-0 10. e4 dxc4 11. Bxc4 cxd4 12. cxd4 b6 13. Bb2 Bb7 14. Ba2 Bf6 15. e5 Be7 16. d5 exd5 17. Bxd5 Na5 18. Bxb7 Nxb7 19. Nd4 Nc5 20. Qg4 g6 21. Nf5 Bg5 22. Nd6 Bh6 23. f4 Qd7 24. Qh4 Bg7 25. f5 Qa4 26. Rf4 Qc2 27. Rf2 Qa4 28. Rf4 Qc2 29. Bd4 Nb3 30. f6 Nxd4 31. fxg7 Ne2+ 32. Kh1 Nxf4 33. gxf8Q+ Rxf8 34. Qxf4 1-0

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.10"]
[Round "7"]
[White "Kostic, Boris"]
[Black "Vidmar, Milan Jr"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "57"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. d3 Bg7 6. Nge2 Bd7 7. Be3 Nd4 8. Nf4 e6 9. 0-0 Ne7 10. Rb1 0-0 11. Nce2 e5 12. Nd5 Nxd5 13. exd5 Qa5 14. Nc1 Qa4 15. b3 Qa6 16. a4 b5 17. axb5 Bxb5 18. Ne2 Nxe2+ 19. Qxe2 f5 20. Qd2 Qb7 21. Bh6 Bxh6 22. Qxh6 f4 23. Be4 Be8 24. h4 a5 25. Kg2 Qg7 26. Qxg7+ Kxg7 27. Ra1 fxg3 28. fxg3 Rxf1 29. Kxf1 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.09"]
[Round "6"]
[White "Matanovic, Aleksandar"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "110"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Qd7 5. Bf4 e6 6. 0-0 Bd6 7. Bxd6 cxd6 8. Nbd2 Nf6 9. c3 h6 10. Qe1 0-0 11. Nh4 Bh7 12. f4 Ne4 13. Nxe4 dxe4 14. Bh3 f5 15. Qd2 d5 16. Rfc1 b5 17. Bf1 Kh8 18. e3 a6 19. b3 Rfc8 20. Rc2 Rab8 21. Rac1 a5 22. a4 bxa4 23. bxa4 Na7 24. c4 Qxa4 25. Ra2 Qb3 26. Rxa5 Nc6 27. Rb5 Qa4 28. Rc5 Ne7 29. Ra5 Qb4 30. Qxb4 Rxb4 31. c5 g5 32. Ng2 Bg6 33. Ra6 Nc6 34. Rb6 Be8 35. Rb1 Rxb1 36. Rxb1 gxf4 37. gxf4 Rb8 38. Rxb8 Nxb8 39. Kf2 Kg7 40. Ke1 Kf6 41. Kd2 Ke7 42. Kc3 Kd8 43. Ne1 Bc6 44. Kb4 Kc7 45. Nc2 Nd7 46. Be2 Nf6 47. h3 Be8 48. Ka5 Bh5 49. Bb5 Be8 50. Bxe8 Nxe8 51. Kb5 Nf6 52. c6 Ne8 53. Kc5 Nd6 54. Na3 Nc4 55. Nxc4 dxc4 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.07"]
[Round "5"]
[White "Kostic, Boris"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "34"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 g6 3. Nf3 Bg7 4. d4 exd4 5. Nxd4 Nc6 6. Be3 d6 7. Be2 Nf6 8. 0-0 0-0 9. Qd2 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Bf3 Qc4 13. Be2 Qd5 14. Bf3 Qc4 15. Be2 Qd5 16. Bf3 Qc4 17. Be2 Qd5 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.06"]
[Round "4"]
[White "Gligoric, Svetozar"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "39"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 e3 5. Bxe3 e5 6. d4 e4 7. f3 exf3 8. Qxf3 d5 9. Bd3 Bg4 10. Qf2 Bd6 11. h3 Bh5 12. 0-0 Qe7 13. Nc3 c6 14. Rae1 0-0 15. Bf4 Qd7 16. Bxd6 Qxd6 17. Nxh7 Rf7 18. Nxf6+ Rxf6 19. Qh4 Rh6 20. Qxh5 1-0

[Event "YUG-ch06+"]
[Site "Ljubljana"]
[Date "1951.01.05"]
[Round "3"]
[White "Kostic, Boris"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "96"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nbd7 7. Bg5 c5 8. e5 cxd4 9. exf6 exf6 10. Qxd4 fxg5 11. Qxd6 g4 12. Nd4 Be5 13. Qd5 Qg5 14. Rad1 Nf6 15. Qb3 Rd8 16. Nf3 gxf3 17. Rxd8+ Kg7 18. Bxf3 Be6 19. Rxa8 Bxb3 20. axb3 Qf4 21. Rd1 Qxh2+ 22. Kf1 Nh5 23. Nd5 g5 24. Re8 Bxb2 25. Bxh5 Qxh5 26. Ne3 Ba3 27. Rdd8 Bc5 28. Nf5+ Kg6 29. Ng3 Qh4 30. Re4 Qh6 31. Rg8+ Kf6 32. Rg4 Ke6 33. R8xg5 Bd6 34. Re4+ Kd7 35. Rd5 Kc6 36. Rd1 Bxg3 37. Rc4+ Kb6 38. fxg3 Qh1+ 39. Ke2 Qxg2+ 40. Kd3 Qxg3+ 41. Kd2 Qg5+ 42. Kc3 Qe5+ 43. Kd2 a6 44. Rf1 Ka7 45. Rcf4 h5 46. Rxf7 Qd4+ 47. Ke2 Qe4+ 48. Kd2 Qd4+ 1/2-1/2

[Event "YUG-ch06"]
[Site "Ljubljana"]
[Date "1951.01.03"]
[Round "1"]
[White "Fuderer, Andrija"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "53"]
[EventDate "1951.01.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "YUG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Nc3 Nxc3 6. bxc3 Be7 7. d4 Nd7 8. Bd3 Nb6 9. Ne3 d5 10. 0-0 0-0 11. f4 f5 12. Qh5 g6 13. Qf3 c6 14. g4 Nc4 15. gxf5 Nxe3 16. fxg6 Ng4 17. f5 Nf6 18. Bh6 Re8 19. gxh7+ Kh8 20. Kh1 Bf8 21. Bg5 Bg7 22. Rg1 Qe7 23. Rg2 Bd7 24. Rag1 Rf8 25. Bh4 Rf7 26. Rg6 Raf8 27. Qg2 1-0

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.15"]
[Round "15"]
[White "Fuderer, Andrija"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "D06"]
[PlyCount "114"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. e3 Rb8 6. c5 f6 7. Nc3 Nge7 8. Bb5 a6 9. Bxc6+ bxc6 10. Qa4 Qc8 11. 0-0 g5 12. Re1 Bg7 13. e4 dxe4 14. Nxe4 0-0 15. Ng3 Bg6 16. h4 h6 17. b3 Rb5 18. Bd2 Nd5 19. Qc4 Qd7 20. hxg5 hxg5 21. Ne4 Ra8 22. Nh2 Rbb8 23. Re2 Rd8 24. Rf1 Nf4 25. Bxf4 gxf4 26. Nf3 Qd5 27. Qxd5 exd5 28. Nc3 Bd3 29. Re6 Bxf1 30. Kxf1 Kf7 31. Rxc6 Ra7 32. b4 Ke7 33. b5 Kd7 34. Rxa6 Rxa6 35. bxa6 Kc6 36. Nh4 Ra8 37. Ng6 Rxa6 38. Ne7+ Kd7 39. Nf5 Bf8 40. Nxd5 Rxa2 41. Nxf4 c6 42. g4 Be7 43. Kg2 Bd8 44. Kf3 Bc7 45. Nd3 Ra1 46. Ke4 Rg1 47. Ne3 Ba5 48. d5 Bd2 49. Kf5 Bxe3 50. fxe3 Rf1+ 51. Nf4 cxd5 52. Kxf6 d4 53. Ke5 dxe3 54. c6+ Kxc6 55. Ne2 Rf2 56. Nd4+ Kd7 57. g5 e2 0-1

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.12"]
[Round "13"]
[White "Pilnik, Hermann"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "E51"]
[PlyCount "95"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Bd3 Nc6 10. 0-0 c4 11. Bc2 Bg4 12. Qe1 Re8 13. Nd2 b5 14. f3 Bh5 15. Qf2 Re7 16. e4 Bg6 17. Bb1 Qa5 18. Bb2 Rf8 19. e5 Nd7 20. Bxg6 fxg6 21. Rfe1 Nd8 22. a4 Re6 23. axb5 Qxb5 24. Ba3 Rf7 25. Reb1 Qc6 26. Nf1 Re8 27. Bc1 Nb6 28. Ra5 Ne6 29. Qa2 Ree7 30. Ng3 Rb7 31. Ra6 Qd7 32. Ne2 g5 33. Ba3 h6 34. Bc5 Qc7 35. Bxb6 Rxb6 36. Raxb6 axb6 37. Qa8+ Qd8 38. Qc6 Nc7 39. Rxb6 Re7 40. Rb7 Kf7 41. f4 Ne8 42. fxg5 hxg5 43. Rb1 Nc7 44. Ng3 Re6 45. Qc5 Kg6 46. Rb7 Ne8 47. Qf8 Kh7 48. Rxg7+ 1-0

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.10"]
[Round "12"]
[White "Kostic, Boris"]
[Black "Matanovic, Aleksandar"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "122"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Re1 g6 8. d4 Bg7 9. Na3 0-0 10. Nc2 cxd4 11. Ncxd4 Nxd4 12. Nxd4 Rac8 13. f3 Ne8 14. f4 Nc7 15. Be3 d5 16. e5 Na6 17. Nf3 b6 18. a4 e6 19. a5 b5 20. Qe2 Nc5 21. Bxc5 Rxc5 22. Nd4 Rb8 23. Red1 b4 24. Nb3 Qb5 25. Qxb5 Rcxb5 26. Nd4 Rc5 27. Rd3 Bf8 28. Kf2 bxc3 29. bxc3 Rbc8 30. Ne2 Rb5 31. Ra2 a6 32. Rd1 Be7 33. Ke3 Bd8 34. Rda1 Rcc5 35. Kd3 Kg7 36. g3 Bc7 37. Ra4 Rxa5 38. Nd4 Rxa4 39. Rxa4 a5 40. Nb3 Rb5 41. Ra3 Bb6 42. Nd2 Rb2 43. h3 Bf2 44. Nf1 Rb1 45. Ke2 Bb6 46. Nd2 Rg1 47. Kf3 Rc1 48. Ke2 Rg1 49. Kf3 Rh1 50. Rb3 Rh2 51. Rxb6 Rxd2 52. Ra6 Ra2 53. Rc6 Rc2 54. g4 a4 55. f5 gxf5 56. gxf5 a3 57. fxe6 a2 58. Ra6 fxe6 59. Kf4 h6 60. Kg4 Rxc3 61. Rxa2 Re3 0-1

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.09"]
[Round "11"]
[White "Rellstab, Ludwig Sr"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "C48"]
[PlyCount "80"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Bc5 6. Nxe5 0-0 7. Nd3 Bb6 8. Nf4 c6 9. d3 d5 10. Be3 Re8 11. Bxd4 Bxd4 12. 0-0 Bg4 13. Qc1 dxe4 14. h3 e3 15. hxg4 Nxg4 16. Ne4 Qh4 17. Nh3 e2 18. Qf4 exf1Q+ 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+ 0-1

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.08"]
[Round "10"]
[White "Kostic, Boris"]
[Black "Milic, Borislav"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "104"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. g3 g6 5. Bg2 Bg7 6. e4 0-0 7. Nge2 Bd7 8. a4 Na6 9. 0-0 Qc8 10. Nf4 Nc7 11. h3 a6 12. a5 Rb8 13. Na4 Na8 14. Re1 b5 15. axb6 Nxb6 16. Nxb6 Rxb6 17. Ra2 Ne8 18. c3 Bb5 19. Ra3 Nc7 20. Qc2 Qb8 21. h4 Bd7 22. Qe2 Rb3 23. Rxb3 Qxb3 24. h5 a5 25. h6 Bh8 26. Nd3 a4 27. Bg5 f6 28. Bc1 Nb5 29. Nf4 Rb8 30. Bh3 Bxh3 31. Nxh3 a3 32. bxa3 Qxc3 33. Bb2 Qb3 34. Nf4 Nc7 35. Ba1 Qxa3 36. Qg4 Qb4 37. Re3 Qb1+ 38. Kg2 Qxa1 39. Qd7 Qa7 40. Qxe7 Nb5 41. Qe6+ Qf7 42. Qg4 Nd4 43. Qd1 f5 44. exf5 Nxf5 45. Re6 Nxh6 46. Qe2 Nf5 47. Qe1 Be5 48. Nd3 Nd4 49. Nxe5 dxe5 50. Qxe5 Qf3+ 51. Kh3 Qh1+ 52. Kg4 Qh5+ 0-1

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.05"]
[Round "9"]
[White "O'Kelly de Galway, Alberic"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "106"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Qd7 6. e3 f6 7. Nc3 Rb8 8. Qa4 a6 9. b4 g5 10. Qb3 Nge7 11. h4 g4 12. Nd2 Bh6 13. Ne2 e5 14. Qc3 0-0 15. Nb3 Be6 16. g3 b6 17. a3 Nf5 18. Bg2 e4 19. Bd2 Nfe7 20. 0-0 Rfc8 21. Ra2 Bf8 22. Rfa1 Ra8 23. Bf1 Bh6 24. a4 a5 25. b5 Nd8 26. Qb2 Bf7 27. Rc1 Ne6 28. Rc3 Bg6 29. Qc1 Bf5 30. Rac2 Kf7 31. Qb1 Bf8 32. Bc1 h5 33. Ba3 Ng6 34. Qc1 Ke8 35. Qa1 Be7 36. Qa2 Nef8 37. Rc1 Be6 38. Qc2 Bf5 39. Na1 Be6 40. Qa2 Kf7 41. Nc2 Ke8 42. Ne1 Bf7 43. Ng2 Ne6 44. cxb6 cxb6 45. Bxe7 Nxe7 46. Nef4 Nxf4 47. Nxf4 Rxc3 48. Rxc3 Rc8 49. Rxc8+ Qxc8 50. Qb2 Qc7 51. Be2 Kd7 52. Kf1 Qd6 53. Bd1 Kd8 1/2-1/2

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.04"]
[Round "8"]
[White "Kostic, Boris"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[ECO "B60"]
[PlyCount "111"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 a6 8. 0-0 Bd7 9. Kh1 Be7 10. Qd3 Nxd4 11. Qxd4 Bc6 12. f4 0-0 13. Bf3 Qa5 14. e5 dxe5 15. fxe5 Bxf3 16. Bxf6 gxf6 17. exf6 Bxg2+ 18. Kxg2 Qg5+ 19. Kh1 Bc5 20. Qe4 Kh8 21. Qf3 Bb6 22. Ne4 Qh4 23. Rae1 Bc7 24. Qf2 Qxf2 25. Nxf2 Rad8 26. Rd1 Rxd1 27. Rxd1 Rd8 28. Rxd8+ Bxd8 29. Ne4 h6 30. Nd6 Kg8 31. Nxb7 Bxf6 32. b3 Bd4 33. Kg2 f5 34. Nd8 e5 35. Nc6 Bc3 36. Ne7+ Kf7 37. Nxf5 Kg6 38. Nd6 Bb4 39. Ne4 Kf5 40. Kf3 h5 41. c4 h4 42. h3 a5 43. Ke3 Bf8 44. c5 Ke6 45. a3 Kd5 46. b4 axb4 47. axb4 Kc6 48. Kd3 Kb5 49. Nc3+ Kxb4 50. c6 Bd6 51. c7 Bxc7 52. Nd5+ Kc5 53. Nxc7 Kc6 54. Ne6 Kd7 55. Ng5 Ke7 56. Ke4 1-0

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.02"]
[Round "7"]
[White "Kostic, Boris"]
[Black "Vidmar, Milan Sr"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "128"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 g6 8. Bc4 Nd5 9. 0-0 Bg7 10. Re1 0-0 11. c3 Be6 12. Bb3 Qc7 13. Qf3 Rad8 14. Nd3 Bf5 15. Nf4 Nb6 16. Nh5 Nd5 17. Nxg7 Kxg7 18. h3 b5 19. Bd2 Qd7 20. a4 a6 21. Qe2 Qc7 22. axb5 axb5 23. Bxd5 Rxd5 24. Qxe7 Qxe7 25. Rxe7 Rd7 26. Rxd7 Bxd7 27. Ra6 Rc8 28. Bf4 Be6 29. Be5+ f6 30. Ra7+ Bf7 31. Bd6 g5 32. f3 Kg6 33. Kf2 h5 34. Bc5 Bd5 35. Re7 h4 36. Ba3 Kf5 37. g4+ hxg3+ 38. Kxg3 Rh8 39. Bd6 Ra8 40. Ba3 Rh8 41. Re2 Kg6 42. Bc5 Bc4 43. Re7 Bf1 44. Rc7 Rxh3+ 45. Kf2 Bc4 46. Kg2 Rh4 47. Rxc6 Rf4 48. Bd6 Rf5 49. Rc5 Bd5 50. Kh2 Bxf3 51. Rxf5 Kxf5 52. Be7 Bd5 53. Kg3 Kg6 54. Bd8 f5 55. Bc7 f4+ 56. Bxf4 gxf4+ 57. Kxf4 Kf6 58. Ke3 Kg5 59. Kd3 Kf4 60. Kc2 Ke3 61. b3 Be4+ 62. Kb2 Kd3 63. d5 Bxd5 64. c4 Bxc4 0-1

[Event "Bled International"]
[Site "Bled"]
[Date "1950.10.01"]
[Round "6"]
[White "Puc, Stojan"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "100"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. 0-0 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 0-0-0 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 0-1

[Event "Bled International"]
[Site "Bled"]
[Date "1950.09.29"]
[Round "5"]
[White "Kostic, Boris"]
[Black "Pfeiffer, Gerhard"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "126"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Bc4 Be7 7. 0-0 Nf6 8. Ng5 0-0 9. Nxf7 Rxf7 10. Bxf7+ Kxf7 11. e5 Kg8 12. exf6 Bxf6 13. Nd2 Qd5 14. Qe2 Be6 15. Ne4 Nd7 16. Bg5 Be5 17. a3 Re8 18. Rae1 Bc7 19. Qd2 Bf7 20. Ng3 Rxe1 21. Rxe1 Bg6 22. Bf4 Ba5 23. b4 Bb6 24. Kh1 Nf6 25. h3 Qc4 26. Re2 Nd5 27. Be5 h6 28. Kh2 Kh7 29. Kh1 Nc3 30. Rf2 Nd5 31. Nf5 Ne3 32. Nxe3 dxe3 33. Qd7 Qg8 34. Re2 Qf7 35. Qxf7 Bxf7 36. c3 Bc4 37. Re1 e2 38. Bd4 Bc7 39. Kg1 Bg3 40. Bf2 Bf4 41. Ra1 Bd2 42. Be1 Be3+ 43. Bf2 Bd2 44. Be1 Be3+ 45. Kh2 Bf4+ 46. g3 Be3 47. g4 Bd5 48. Kg3 Kg6 49. Rb1 a6 50. a4 Bc4 51. Kf3 Bg5 52. Ke4 Bf6 53. h4 Kf7 54. Rb2 Ke6 55. Ke3 Kd5 56. Rd2+ Ke6 57. Rc2 Kd5 58. Rb2 Ke5 59. Bg3+ Ke6 60. Rc2 Be5 61. Be1 Bf6 62. Ke4 Bd5+ 63. Ke3 Bc4 1/2-1/2

[Event "Bled International"]
[Site "Bled"]
[Date "1950.09.28"]
[Round "4"]
[White "Pirc, Vasja"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "105"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Qd7 5. h3 Nf6 6. c3 h6 7. Nbd2 e6 8. b4 a6 9. Nb3 Ne4 10. Bd2 b6 11. Nc1 Bd6 12. Nd3 f6 13. Qb3 Bg6 14. Bf4 Bf7 15. Bxd6 cxd6 16. c4 e5 17. cxd5 Ne7 18. Nfxe5 dxe5 19. Bxe4 exd4 20. Qc4 Nxd5 21. Qxd4 Rd8 22. Bg2 0-0 23. 0-0 Rfe8 24. Rfd1 Qa4 25. Qb2 h5 26. h4 a5 27. bxa5 bxa5 28. a3 Rb8 29. Qd2 Qd4 30. e3 Qb6 31. Rac1 Red8 32. Be4 Ne7 33. Rc3 Qe6 34. Bf3 Nd5 35. Nc5 Qe7 36. Rd3 Qxc5 37. Bxd5 Rd7 38. Bxf7+ Rxf7 39. Rd8+ Rxd8 40. Qxd8+ Kh7 41. Rd5 Qc1+ 42. Kg2 Qc6 43. Qxa5 Ra7 44. Qb5 Qxb5 45. Rxb5 g6 46. Rb3 f5 47. Kf3 Ra4 48. Ke2 Kg7 49. Kd2 Kf6 50. Kc2 Ke5 51. Rb5+ Kd6 52. Kb3 Rg4 53. Rb4 1-0

[Event "Bled International"]
[Site "Bled"]
[Date "1950.09.27"]
[Round "3"]
[White "Kostic, Boris"]
[Black "Tartakower, Saviely"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "47"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e5 3. Bc4 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Be6 7. Nd5 Bxd5 8. exd5 Ne7 9. fxe5 Nfxd5 10. d4 Bb4+ 11. c3 Nxc3 12. bxc3 Bxc3+ 13. Bd2 Bxa1 14. Qxa1 d5 15. Bd3 Qd7 16. 0-0 h6 17. Qb1 0-0-0 18. Nh4 Qe6 19. Nf5 Kb8 20. Qb4 Nc6 21. Qa4 Rdg8 22. Bb5 f6 23. Bxc6 bxc6 24. Nd6 1-0

[Event "Bled International"]
[Site "Bled"]
[Date "1950.09.25"]
[Round "2"]
[White "Stoltz, Gosta"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "A88"]
[PlyCount "73"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d4 d6 6. Nf3 c6 7. 0-0 0-0 8. Qc2 a5 9. b3 Na6 10. Bb2 Qc7 11. Rad1 Bd7 12. a3 Rae8 13. d5 e5 14. dxe6 Bxe6 15. Nd4 Bc8 16. e3 Nc5 17. b4 axb4 18. axb4 Nce4 19. Nce2 Ng4 20. Qb3 Nexf2 21. Rxf2 Rxe3 22. Qc2 Nxf2 23. Kxf2 Ree8 24. Qb3 Qe7 25. Bf3 g5 26. Bh5 f4 27. Bxe8 fxg3+ 28. Kxg3 Qe5+ 29. Kg2 c5 30. Bh5 g4 31. Ng3 cxd4 32. Bxd4 Qe6 33. Bxg7 Kxg7 34. Qc3+ Kg8 35. Re1 Qd7 36. Re4 Qc6 37. Qd4 1-0

[Event "Bled International"]
[Site "Bled"]
[Date "1950.09.24"]
[Round "1"]
[White "Kostic, Boris"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "158"]
[EventDate "1950.09.24"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. d4 e6 7. Nc3 Ne7 8. dxc5 dxc5 9. Ne5 Nc6 10. Nxd7 Qxd7 11. Qxd7+ Kxd7 12. Be3 Ne5 13. Rad1+ Kc6 14. b3 Be7 15. Rd2 Rad8 16. Rfd1 Rxd2 17. Rxd2 b5 18. h3 Bf6 19. Ne2 a5 20. f4 Nd7 21. Kf2 Bh4+ 22. Kf3 f5 23. exf5 exf5 24. g4 fxg4+ 25. hxg4 Rf8 26. Kg2 Nf6 27. Kf3 g5 28. c4 bxc4 29. bxc4 h5 30. gxh5 g4+ 31. Kg2 Re8 32. Rd3 Nxh5 33. Nc3 Ng7 34. Bf2 Bxf2 35. Kxf2 Nf5 36. Ne2 Re4 37. Rd5 Nd6 38. Rg5 Rxc4 39. Rxg4 Rc2 40. a3 Ra2 41. Rg6 Rxa3 42. f5 Rb3 43. f6 Kd5 44. Nf4+ Ke5 45. Nh5 Rb8 46. Ke3 a4 47. Rg5+ Nf5+ 48. Kd3 a3 49. Rg4 Nd4 50. Rg2 Rh8 51. f7 Ne6 52. Kc4 Kd6 53. Ng3 Ke7 54. Kb3 Rh3 55. Kxa3 Nf4 56. Rg1 Ne2 57. Rf1 Rxg3+ 58. Ka4 Kf8 59. Kb5 Rg5 60. Kc4 Nd4 61. Rf6 Re5 62. Rf2 Ne6 63. Rf1 Ke7 64. Kb5 Rh5 65. Rf2 Rh8 66. Kc4 Rf8 67. Kd5 Rxf7 68. Ra2 Rf5+ 69. Kc4 Kd6 70. Ra6+ Ke5 71. Ra7 Rf4+ 72. Kc3 Kd5 73. Rd7+ Kc6 74. Rh7 Nc7 75. Rh6+ Kb5 76. Rh5 Rf3+ 77. Kb2 Kb4 78. Rh8 Rf2+ 79. Kc1 c4 0-1

[Event "Match/Nation YUG-USA"]
[Site "Radio"]
[Date "1950.02.13"]
[Round "2.8"]
[White "Byrne, Robert Eugene"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D09"]
[PlyCount "52"]
[EventDate "1950.02.11"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "YUG"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Be6 6. g3 Qd7 7. Bg2 Nge7 8. 0-0 Ng6 9. a3 Be7 10. b4 Rd8 11. Bb2 0-0 12. Rc1 Bh3 13. Nb3 Bxg2 14. Kxg2 Qg4 15. Nbxd4 Nxd4 16. Nxd4 Nxe5 17. f4 c5 18. bxc5 Bxc5 19. e3 Qxd1 20. Rfxd1 Ng4 21. Rd3 Nxe3+ 22. Rxe3 Bxd4 23. Bxd4 Rxd4 24. Re7 Rd2+ 25. Kh3 f5 26. Rce1 Rf7 1/2-1/2

[Event "Match/Nation YUG-USA"]
[Site "Radio"]
[Date "1950.02.11"]
[Round "1.8"]
[White "Kostic, Boris"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "79"]
[EventDate "1950.02.11"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "United States"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 a6 7. Bg2 Qc7 8. 0-0 Be7 9. Be3 Bd7 10. Qe2 Nc6 11. Rad1 Rc8 12. f4 b5 13. Nxc6 Bxc6 14. a3 0-0 15. g4 Qb7 16. Bc1 a5 17. g5 Nd7 18. Nd5 Bd8 19. Rfe1 Nc5 20. Nc3 b4 21. axb4 axb4 22. Nb1 Bb6 23. Kh1 Rfd8 24. Nd2 d5 25. e5 Ba7 26. Bf3 Rd7 27. h4 Rdc7 28. h5 Bb5 29. Qg2 Nd7 30. f5 Rxc2 31. g6 Nxe5 32. Rxe5 Rxc1 33. gxh7+ Kh8 34. f6 g6 35. hxg6 fxg6 36. Qxg6 R1c7 37. Rg5 Rxh7+ 38. Kg2 Qc7 39. Bh5 Qf4 40. Nf3 1/2-1/2

[Event "Dubrovnik casual"]
[Site "Dubrovnik"]
[Date "1950.??.??"]
[Round "?"]
[White "Najdorf, Miguel"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "D08"]
[PlyCount "52"]
[EventDate "1950.??.??"]
[EventType "game"]
[EventCountry "YUG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Be6 6. Qc2 Qd7 7. Bf4 h6 8. h3 g5 9. Bh2 Nge7 10. Nbd2 Bg7 11. Ne4 Ng6 12. Nf6+ Bxf6 13. exf6 Bf5 14. Qa4 0-0-0 15. 0-0-0 Qe6 16. g4 Be4 17. Bg2 Rhe8 18. Rhe1 Qxf6 19. Bg3 Nf4 20. Bf1 Kb8 21. Nd2 Bh7 22. e3 dxe3 23. fxe3 Nd3+ 24. Bxd3 Rxd3 25. Nb3 Rc3+ 26. Kd2 Rc2# 0-1

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.24"]
[Round "19"]
[White "Kostic, Boris"]
[Black "Germek, Milan"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "52"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e6 7. Be3 Nd4 8. f4 Ne7 9. 0-0 0-0 10. Bf2 e5 11. h3 Bd7 12. g4 Nxe2+ 13. Qxe2 exf4 14. Bh4 f6 15. g5 Nc6 16. Rxf4 fxg5 17. Rxf8+ Bxf8 18. Bg3 Be6 19. Nd5 Bxd5 20. exd5 Nd4 21. Qf2 Nf5 22. Be4 Qd7 23. Rf1 Nxg3 24. Qxg3 Bg7 25. Kg2 Rf8 26. Rxf8+ Kxf8 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.22"]
[Round "18"]
[White "Trifunovic, Petar"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "E41"]
[PlyCount "78"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. e3 0-0 6. cxd5 exd5 7. Bd3 c5 8. Nge2 cxd4 9. exd4 Nc6 10. 0-0 Be6 11. Rc1 h6 12. Bh4 Be7 13. Bb1 Rc8 14. a3 Nh5 15. Qd3 g6 16. Bxe7 Nxe7 17. Qe3 Kh7 18. Qe5 Ng7 19. Nf4 Nc6 20. Bxg6+ fxg6 21. Qxg7+ Kxg7 22. Nxe6+ Kf7 23. Nxd8+ Rfxd8 24. Ne2 Na5 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Nxc1 Nc4 28. Nd3 Nd2 29. f3 Nb3 30. Nf4 Nxd4 31. Nxd5 g5 32. Kf2 Ke6 33. Nc3 b5 34. Ke3 Ke5 35. g3 Nf5+ 36. Kd3 a6 37. Ne4 a5 38. Nf2 Kd5 39. Ng4 Ke6 1-0

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.21"]
[Round "17"]
[White "Kostic, Boris"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "60"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 Nf6 7. h3 Rb8 8. Be3 b5 9. d4 Nd7 10. Qd2 b4 11. Nd1 0-0 12. dxc5 Nxc5 13. Bh6 a5 14. Bxg7 Kxg7 15. 0-0 Bb7 16. g4 e5 17. f4 Ne7 18. Nf2 Qb6 19. Kh2 f6 20. g5 fxg5 21. fxe5 Rxf2 22. Rxf2 Nxe4 23. Rf7+ Kxf7 24. Rf1+ Nf5 25. Bxe4 Bxe4 26. Qxg5 dxe5 27. Qh4 Qe3 28. Qxh7+ Kf6 29. Qh4+ Kg7 30. Rxf5 Bxf5 0-1

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.19"]
[Round "16"]
[White "Janosevic, Dragoljub"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "104"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Nxe5 Nxe5 6. dxe5 c6 7. Be2 Qa5+ 8. Nd2 Qxe5 9. f3 d5 10. fxe4 Nf6 11. 0-0 dxe4 12. Nc4 Bc5+ 13. Kh1 Qe7 14. b4 Bxb4 15. Bh5+ g6 16. Rxf6 Qxf6 17. Bb2 Bc3 18. Nd6+ Ke7 19. Nxe4 Bxb2 20. Nxf6 Bxf6 21. Qe2+ Kf7 22. Rf1 Rf8 23. Bg4 Bxg4 24. Qxg4 Kg7 25. Qc4 Rad8 26. g3 Rf7 27. a4 Rd5 28. Qb3 b6 29. Qc4 Rc5 30. Qe6 Rxc2 31. g4 h6 32. Rd1 Be7 33. Qe4 Rc5 34. Rd7 Bg5 35. Qd4+ Bf6 36. Rxf7+ Kxf7 37. Qd7+ Be7 38. Qxa7 Rc1+ 39. Kg2 Rb1 40. Qd7 Rb2+ 41. Kg3 Rb3+ 42. Kf4 Rc3 43. h4 g5+ 44. hxg5 hxg5+ 45. Kf5 Rc5+ 46. Ke4 Rc4+ 47. Kf3 Rxa4 48. Qxc6 Rb4 49. Qd7 b5 50. Ke2 Kf8 51. Qe6 Rf4 52. Kd3 b4 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.18"]
[Round "15"]
[White "Matanovic, Aleksandar"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "122"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 Bg4 4. Bb2 Nbd7 5. Be2 e6 6. 0-0 Bd6 7. d4 0-0 8. c4 c6 9. Nbd2 Qb8 10. h3 Bh5 11. Qc2 Bg6 12. Bd3 e5 13. Bxg6 hxg6 14. cxd5 Nxd5 15. Rad1 exd4 16. Bxd4 Ne5 17. Nxe5 Bxe5 18. Nc4 Bxd4 19. Rxd4 Nb4 20. Qd2 c5 21. Rd7 Rd8 22. Rd1 Nc6 23. Qd5 Rxd7 24. Qxd7 Qc8 25. Rd6 Qxd7 26. Rxd7 b6 27. Rc7 Nb4 28. a4 Nd3 29. Nd6 f6 30. Kf1 a6 31. Rb7 b5 32. axb5 axb5 33. Rxb5 Ra2 34. Ne4 f5 35. Nxc5 Nxf2 36. Rb8+ Kf7 37. Rd8 Nh1 38. b4 Ng3+ 39. Kg1 g5 40. Rd1 Rb2 41. Kh2 Nh5 42. Rd7+ Kg6 43. Rd4 Nf6 44. e4 f4 45. Nd3 Rb3 46. Ne5+ Kh7 47. Nf3 g4 48. hxg4 Nxg4+ 49. Kh3 Ne5 50. Rd5 Nxf3 51. gxf3 Rxf3+ 52. Kg4 Rb3 53. Kxf4 Rxb4 54. Kf5 g6+ 55. Ke5 Kg7 56. Rd7+ Kf8 57. Kd5 Ke8 58. Rg7 Rb6 59. e5 Ra6 60. e6 Ra1 61. Rxg6 Rd1+ 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.17"]
[Round "14"]
[White "Kostic, Boris"]
[Black "Vukovic, Sava"]
[Result "1-0"]
[ECO "C38"]
[PlyCount "49"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 h6 4. d4 g5 5. h4 Bg7 6. Bc4 d6 7. Qd3 g4 8. Ng1 Qf6 9. c3 h5 10. Ne2 Bh6 11. Na3 c6 12. Bxf4 Bxf4 13. 0-0 d5 14. Bb3 Bh2+ 15. Kxh2 Qxh4+ 16. Kg1 Ne7 17. exd5 Qg5 18. dxc6 Nbxc6 19. Bxf7+ Kd8 20. Nf4 Bf5 21. Qb5 Qh4 22. Ne6+ Kc8 23. Nc4 Rd8 24. Rxf5 g3 25. Rxh5 1-0

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.16"]
[Round "13"]
[White "Simonovic, Borko"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "65"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 Nc6 10. Nb5 Kd8 11. 0-0-0 a6 12. Nc3 h6 13. Bxf6 Bxf6 14. Nd5 Nd4 15. Rde1 Nxf3 16. Bxf3 Bd4 17. Re2 c6 18. c3 Ba7 19. Ne3 Re8 20. Rhe1 d5 21. d4 Bd7 22. Ng4 Rxe2 23. Rxe2 Bb8 24. Ne5 Bxe5 25. Rxe5 Be6 26. Be2 Kd7 27. Bd3 g5 28. Kd2 Re8 29. Be2 Re7 30. a3 f6 31. Re3 Bf5 32. g3 Rxe3 33. Kxe3 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.15"]
[Round "12"]
[White "Kostic, Boris"]
[Black "Nedeljkovic, Srecko"]
[Result "1/2-1/2"]
[ECO "C30"]
[PlyCount "106"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 10. fxe5 dxe5 11. Kd1 0-0-0 12. Rf1 Rhg8 13. Qh4 Ne6 14. g4 h6 15. Qg3 Bd4 16. Qf3 Nf4 17. Bxf4 exf4 18. Qxf4 Bxc3 19. bxc3 Qxe4 20. Kc1 Qxf4+ 21. Rxf4 Rgf8 22. Kd2 Nd5 23. Rf5 c6 24. Re1 Rd7 25. Bxd5 cxd5 26. Ree5 Rfd8 27. h4 f6 28. Re1 Rd6 29. Rf4 Ra6 30. a4 Kd7 31. Rd4 Rd6 32. c4 dxc4 33. Rxc4 Rf8 34. a5 f5 35. Rb1 b6 36. axb6 axb6 37. Rf4 g6 38. h5 gxh5 39. gxf5 Rdf6 40. Rb5 Rg8 41. Ke3 Rc6 42. Rd5+ Ke7 43. f6+ Rxf6 44. Rxf6 Kxf6 45. Rd6+ Kg5 46. Rxb6 h4 47. Kf3 Rf8+ 48. Kg2 Re8 49. Rb5+ Kg4 50. Rb4+ Kg5 51. Rb5+ Kg4 52. Rb4+ Kg5 53. c4 h3+ 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.14"]
[Round "11"]
[White "Bozic, Aleksandar"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "A88"]
[PlyCount "76"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d4 0-0 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 0-1

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.12"]
[Round "10"]
[White "Kostic, Boris"]
[Black "Puc, Stojan"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "113"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. h3 0-0 8. Nge2 Bd7 9. 0-0 Qc8 10. Kh2 Ne5 11. Qc1 Re8 12. f4 Nc6 13. Qd2 Rb8 14. d4 cxd4 15. Nxd4 Rd8 16. Rad1 Ra8 17. Rfe1 Be8 18. Nd5 Nxd5 19. exd5 Nxd4 20. Bxd4 Bxd4 21. Qxd4 Rd7 22. Rd2 Qc5 23. Qxc5 dxc5 24. Rde2 Kf8 25. c4 Rc7 26. f5 gxf5 27. Re5 Rd8 28. Rxf5 Rd6 29. b3 b5 30. Bf1 Rb7 31. Re6 bxc4 32. Bxc4 Bb5 33. Re4 Be8 34. Kg2 h6 35. Rf2 a5 36. Re6 Rbb6 37. Re5 a4 38. Rfe2 Rb7 39. g4 axb3 40. axb3 f6 41. Re6 Bf7 42. Rxd6 exd6 43. Ra2 Bg6 44. Ra8+ Kf7 45. Ra6 Ke7 46. Kf3 f5 47. Ra8 fxg4+ 48. hxg4 Kf6 49. Kf4 Re7 50. Rf8+ Rf7 51. Rg8 Ke7+ 52. Ke3 Bh7 53. Rb8 Kf6 54. Kf4 Kg6+ 55. Kg3 Kg5 56. Rd8 Rf6 57. Rh8 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.11"]
[Round "9"]
[White "Rabar, Braslav"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D50"]
[PlyCount "117"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. e3 0-0 6. a3 Be7 7. Qc2 c5 8. dxc5 dxc4 9. Bxc4 Bxc5 10. Bd3 h6 11. Bxf6 gxf6 12. Qe2 f5 13. g4 Nc6 14. gxf5 exf5 15. Nh3 Be6 16. Rg1+ Kh8 17. Nf4 Rg8 18. 0-0-0 Qh4 19. Rg3 Rad8 20. Bc4 Rxd1+ 21. Nxd1 Nd8 22. Qd3 Qf6 23. Nh5 Qe7 24. Qc3+ f6 25. Rxg8+ Kxg8 26. Nxf6+ Kf8 27. Nh5 Bxc4 28. Qxc4 Bd6 29. Qd3 Qe6 30. f4 Nc6 31. Ng3 Ne7 32. Qd4 b6 33. Nh5 Kf7 34. Qg7+ Ke8 35. Nf6+ Kd8 36. Qxh6 Qc4+ 37. Nc3 Bxa3 38. Qh8+ Kc7 39. Ne8+ Kd7 40. bxa3 Qf1+ 41. Kb2 Qf2+ 42. Kb3 Qxe3 43. Nf6+ Ke6 44. Qh6 Kf7 45. Nd7 Qe6+ 46. Qxe6+ Kxe6 47. Ne5 Nc8 48. h4 Nd6 49. h5 Kf6 50. h6 Nf7 51. Nd5+ Ke6 52. Nc7+ Ke7 53. Nd5+ Ke6 54. Nxf7 Kxf7 55. Ne7 Kf6 56. Nxf5 Kg6 57. Kc4 a6 58. Kd5 b5 59. Kc5 1-0

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.10"]
[Round "8"]
[White "Kostic, Boris"]
[Black "Tomovic, Vasilje"]
[Result "1/2-1/2"]
[ECO "C39"]
[PlyCount "80"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d6 6. Nxg4 Be7 7. d4 Bxh4+ 8. Nf2 Qf6 9. Qf3 Bg3 10. Nc3 Qxd4 11. Bxf4 Bxf2+ 12. Qxf2 Qxf2+ 13. Kxf2 Nf6 14. Be2 Nbd7 15. Nb5 Kd8 16. Bf3 Rg8 17. Rad1 a6 18. Nxc7 Kxc7 19. Bxd6+ Kd8 20. e5 Ne8 21. Rxh7 Nxd6 22. e6 fxe6 23. Rxd6 Re8 24. Bg4 Kc7 25. Rxe6 Rxe6 26. Bxe6 Kd6 27. Rh6 Ke7 28. Bd5 Nf6 29. Bf3 Bf5 30. Rh4 Rb8 31. c3 Be6 32. c4 b6 33. b3 Kd6 34. Ke3 Ke5 35. Rd4 Rg8 36. Kd3 b5 37. cxb5 axb5 38. Rb4 Bd7 39. a4 bxa4 40. bxa4 Bf5+ 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.09"]
[Round "7"]
[White "Tot, Bora"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "88"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. c4 Bg4 4. Nbd2 e6 5. e3 Nf6 6. cxd5 exd5 7. Bb5 Bd6 8. Qc2 Bd7 9. a3 0-0 10. Bd3 Qe7 11. Nb3 Ne4 12. Bxe4 dxe4 13. Nfd2 Rae8 14. Nc4 Qg5 15. Kf1 f5 16. Nxd6 cxd6 17. Bd2 Rc8 18. Qd1 Ne7 19. Nc1 Nd5 20. h4 Qh6 21. g3 g5 22. Kg1 f4 23. hxg5 Qxg5 24. exf4 Nxf4 25. Rh4 Qxh4 26. gxh4 Nh3+ 27. Kg2 Rxf2+ 28. Kg3 Rcf8 29. Qb3+ Kg7 30. Be1 R8f3+ 31. Qxf3 Rxf3+ 32. Kh2 Nf2 33. Ne2 e3 34. d5 Kf7 35. Ng3 Nd3 36. Ne4 Ke7 37. Kg2 Rf4 38. Nc3 Nxb2 39. Rb1 Nd3 40. Bg3 Rc4 41. Ne2 Bg4 42. Rxb7+ Kf6 43. Ng1 Rc2+ 44. Kh1 Bf5 0-1

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.08"]
[Round "6"]
[White "Kostic, Boris"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "61"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Qc7 8. f4 Nc6 9. Be3 Be7 10. Qe1 Bd7 11. Rd1 0-0 12. Qg3 Rac8 13. Rf2 Kh8 14. a3 b5 15. Bd3 e5 16. Nxc6 Bxc6 17. fxe5 dxe5 18. Nd5 Bxd5 19. exd5 e4 20. Qxc7 Rxc7 21. Bf1 Rd7 22. Rfd2 Ng4 23. Bd4 Rxd5 24. Bxg7+ Kxg7 25. Rxd5 Ne3 26. Kf2 Nxd1+ 27. Rxd1 f5 28. g3 Kf6 29. c4 bxc4 30. Bxc4 Rc8 31. b3 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.07"]
[Round "5"]
[White "Milic, Borislav"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "66"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nh6 5. c4 c6 6. 0-0 0-0 7. cxd5 cxd5 8. Nc3 Nc6 9. Bxh6 Bxh6 10. Qb3 e6 11. Rfd1 Bg7 12. e3 Bd7 13. Ne1 Na5 14. Qc2 Rc8 15. Qe2 Qb6 16. Rac1 Rfd8 17. Bf1 Qd6 18. Nd3 b6 19. Qe1 Qe7 20. Nf4 Bc6 21. Ba6 Bb7 22. Qe2 Nc4 23. Bxb7 Qxb7 24. b3 Nd6 25. Rc2 Rc7 26. Rdc1 Rdc8 27. Na4 Rxc2 28. Rxc2 Rxc2 29. Qxc2 Qc8 30. Qxc8+ Nxc8 31. Kf1 Kf8 32. Ke2 Ke8 33. Kd3 Kd7 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.06"]
[Round "4"]
[White "Kostic, Boris"]
[Black "Karaklajic, Nikola"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "72"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ndf6 6. Ng3 Bg4 7. Be2 e6 8. 0-0 Bd6 9. Ne5 Bxe2 10. Qxe2 Ne7 11. f4 h5 12. f5 h4 13. fxe6 hxg3 14. Nxf7 gxh2+ 15. Kh1 Nh5 16. Qg4 Ng3+ 17. Qxg3 Bxg3 18. Nxd8 Rxd8 19. Bf4 Bxf4 20. Rxf4 Rd6 21. Re1 Rh6 22. Rfe4 Nf5 23. Rg4 Rdxe6 24. Rxe6+ Rxe6 25. Kxh2 Re2 26. Rg5 Ne7 27. c4 Rxb2 28. d5 cxd5 29. cxd5 Kd7 30. Rxg7 Rxa2 31. Kh3 Rd2 32. g4 Rxd5 33. g5 a5 34. Kg4 a4 35. Rh7 Rd6 36. Rh8 a3 0-1

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.05"]
[Round "3"]
[White "Avirovic, Djordje"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "E35"]
[PlyCount "59"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. e3 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. cxd5 exd5 9. Bb5 Bd7 10. Nge2 0-0 11. Bxc6 Bxc3+ 12. Nxc3 Qxc6 13. Qxc6 Bxc6 14. b4 a6 15. a4 Rfd8 16. Kd2 Kf8 17. Rhc1 Be8 18. Ne2 c6 19. a5 Rd6 20. Nf4 Rad8 21. Nd3 Bd7 22. Nc5 Bc8 23. Rg1 h5 24. h4 Re8 25. Nd3 Rf6 26. f3 g6 27. Ne5 Ke7 28. Raf1 Rg8 29. f4 Bf5 30. Rf3 1/2-1/2

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.04"]
[Round "2"]
[White "Kostic, Boris"]
[Black "Fuderer, Andrija"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "99"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Qa5 7. Nge2 Nd4 8. 0-0 Ne7 9. f4 d6 10. Rb1 0-0 11. a3 Rb8 12. b4 Qxa3 13. bxc5 dxc5 14. e5 Nef5 15. Bf2 Qa5 16. Ne4 Qc7 17. Nxc5 Qxc5 18. g4 Nxe2+ 19. Qxe2 Nd4 20. Qe4 Rd8 21. c3 b6 22. Bxd4 Qe7 23. Ra1 Bf8 24. Qe3 Rd7 25. f5 Rc7 26. Be4 Qd7 27. Ra2 Bc5 28. Bxc5 bxc5 29. f6 Qd8 30. Rfa1 a6 31. c4 Rb3 32. Qh6 Qf8 33. Qxf8+ Kxf8 34. Kf2 Ke8 35. Ke3 Kd8 36. h4 h6 37. h5 g5 38. Kd2 Rb6 39. Ke3 Rb4 40. Ra3 Ra7 41. Ra5 Rc7 42. Kd2 Rb2+ 43. Kc3 Rf2 44. Rb1 Rf4 45. Rb8 Rxg4 46. Rxa6 Rxe4 47. dxe4 Rb7 48. Rd6+ Kc7 49. Rxb7+ Bxb7 50. Rxe6 1-0

[Event "YUG-ch05"]
[Site "Zagreb"]
[Date "1949.11.03"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "D38"]
[PlyCount "83"]
[EventDate "1949.11.03"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRO"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 Bd7 9. Qb3 dxc4 10. Bxc4 0-0 11. 0-0 Qe7 12. a3 Bd6 13. Ne4 Na5 14. Qc3 Nxc4 15. Qxc4 Bc6 16. Nxd6 cxd6 17. Qe2 Rac8 18. e4 Rc7 19. Rac1 Rfc8 20. Rc3 Ba4 21. Rfc1 Rxc3 22. Rxc3 Rxc3 23. bxc3 d5 24. exd5 Qxa3 25. dxe6 Qc1+ 26. Qe1 Qxe1+ 27. Nxe1 fxe6 28. f4 Bb3 29. Kf2 Kf7 30. Ke3 Ke7 31. g4 Kd6 32. Nf3 b5 33. Nd2 Bc2 34. Nf1 Bd1 35. g5 h5 36. Kd2 Bg4 37. Ne3 g6 38. Kc2 Be2 39. Kb3 a5 40. Ka3 Bd3 41. Kb3 Kc6 42. h4 1/2-1/2

[Event "Match/Nation YUG-NED"]
[Site "Belgrade"]
[Date "1949.??.??"]
[Round "1.8"]
[White "Kostic, Boris"]
[Black "Van Steenis, Hendrik Jan"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "83"]
[EventDate "1949.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "YUG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Qd3 b6 6. Nge2 Ba6 7. Qe3 Nf6 8. a3 Be7 9. e5 Nfd7 10. f4 c5 11. Qh3 Nc6 12. Be3 cxd4 13. Nxd4 Nxd4 14. Bxd4 Bxf1 15. Rxf1 g6 16. 0-0-0 a6 17. f5 gxf5 18. Nxd5 Qb8 19. Nxe7 Kxe7 20. g4 fxg4 21. Qh4+ Ke8 22. Qxg4 Rf8 23. Bc3 a5 24. Qe4 b5 25. Qc6 Ra7 26. Bxa5 Rg8 27. Rxf7 Kxf7 28. Rxd7+ Rxd7 29. Qxd7+ Kg6 30. Qxe6+ Kg5 31. Bd2+ Kh4 32. Qh6+ Kg4 33. Qxh7 Qa8 34. Qd7+ Kh4 35. Be1+ Kg5 36. Kb1 Qh1 37. Qd2+ Kg6 38. Ka2 Rf8 39. Qd6+ Kg7 40. Bc3 Qe4 41. e6+ Kh7 42. Qxf8 1-0

[Event "Match/Nation YUG-SUI"]
[Site "Ljubljana"]
[Date "1949.??.??"]
[Round "1"]
[White "Tordion, Serge"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "124"]
[EventDate "1949.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "YUG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "YUG"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 Na5 7. Nd5 Nxc4 8. dxc4 c6 9. Nxf6+ gxf6 10. Bh4 Rg8 11. 0-0 Bh3 12. Ne1 Be6 13. Qe2 Qe7 14. Kh1 0-0-0 15. f4 Rg4 16. Bg3 exf4 17. Rxf4 Rxf4 18. Bxf4 Bd4 19. c3 Be5 20. g3 Bxf4 21. gxf4 f5 22. Nf3 fxe4 23. Qxe4 Qf6 24. Rd1 h6 25. Qd4 Qf5 26. b3 Qh3 27. Qf2 Bg4 28. Rd3 Qh5 29. h4 Rg8 30. Kh2 Bxf3 31. Rxf3 Rg4 32. Kh3 f5 33. a4 a5 34. Qe1 Kd7 35. Qf2 Rxh4+ 36. Qxh4 Qxf3+ 37. Qg3 Qf1+ 38. Kh2 Qe2+ 39. Kg1 Qg4 40. Kh2 h5 41. Qe3 h4 42. b4 h3 43. Qxh3 Qxf4+ 44. Kg2 axb4 45. cxb4 Qd2+ 46. Kf1 Qc1+ 47. Kf2 Qc2+ 48. Kg1 Qb1+ 49. Kg2 Qe4+ 50. Kf2 Qd4+ 51. Kg2 Qb2+ 52. Kf1 Qxb4 53. Qxf5+ Kc7 54. Qc2 Kb6 55. Ke2 Ka5 56. Kd3 Qxa4 57. Qd2+ Qb4 58. Qg5+ Ka4 59. Qg8 Kb3 60. c5+ d5 61. Qg1 Qc4+ 62. Kd2 Qc2+ 0-1

[Event "Match/Nation YUG-NED"]
[Site "Belgrade"]
[Date "1949.??.??"]
[Round "2.8"]
[White "Van Steenis, Hendrik Jan"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "83"]
[EventDate "1949.??.??"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "YUG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3 Bd6 10. Nc3 h6 11. Nge4 Nxe4 12. Nxe4 Be7 13. g4 h5 14. g5 Rb8 15. h4 c5 16. Nc3 Nc6 17. Nd5 Qd6 18. Ne3 Nd4 19. Qg2 g6 20. Be4 0-0 21. c3 Ne6 22. Nc4 Qc7 23. d3 Ng7 24. Qh2 Bd6 25. f4 Re8 26. fxe5 Rxe5 27. Nxd6 Qxd6 28. 0-0 Ne6 29. Rf6 c4 30. d4 Bb7 31. Bf4 Nxf4 32. Qxf4 Re6 33. Qxd6 Rxd6 34. Rxd6 Bxe4 35. Re1 Bf5 36. b4 Kf8 37. Rc6 Be6 38. Re5 Rd8 39. Ra5 Rd7 40. Rca6 Bd5 41. Rxa7 Rd8 42. b5 1-0

[Event "Belgrade"]
[Site "Belgrade"]
[Date "1948.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Bidev, Pavle"]
[Result "1-0"]
[ECO "B19"]
[PlyCount "101"]
[EventDate "1948.??.??"]
[EventType "tourn"]
[EventCountry "YUG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Qc7 10. Bd2 e6 11. 0-0-0 Ngf6 12. c4 0-0-0 13. Bc3 Bd6 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 Rhe8 17. Rhe1 c5 18. dxc5 Bxc5 19. Ne5 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Kxd8 22. g4 Ke8 23. g5 Ng8 24. g6 f6 25. Nd3 Kd7 26. Qe4 Bd6 27. Qd4 b6 28. b4 Ke8 29. c5 bxc5 30. bxc5 Bh2 31. Qe4 Kd7 32. Qa4+ Ke7 33. Kc2 Kf8 34. Ba5 Qc8 35. Bb4 Bb8 36. c6+ Ne7 37. Qb5 Qc7 38. Qb7 Ke8 39. Bxe7 Kxe7 40. Nc5 f5 41. Na6 Qxb7 42. cxb7 Bd6 43. Kd3 Kf6 44. Kc4 Ke5 45. f3 Kf4 46. Kb5 Kxf3 47. Kc6 Bg3 48. Nc7 Bxc7 49. Kxc7 e5 50. b8Q e4 51. Qf8 1-0

[Event "Belgrade"]
[Site "Belgrade"]
[Date "1948.??.??"]
[Round "?"]
[White "Kostic, Boris"]
[Black "Sajtar, Jaroslav"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "107"]
[EventDate "1948.??.??"]
[EventType "tourn"]
[EventCountry "YUG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 e6 4. axb4 Bxb4 5. c3 Be7 6. d4 d6 7. f4 Nf6 8. Bd3 Nc6 9. Nf3 g6 10. 0-0 0-0 11. Qe2 d5 12. e5 Ne8 13. Na3 Ng7 14. Nc2 Na5 15. Rb1 b6 16. g4 f5 17. exf6 Rxf6 18. Ne5 Rf8 19. Ne3 Bd7 20. Bd2 Rc8 21. Rf3 Nc6 22. Nxd7 Qxd7 23. Rbf1 Bf6 24. Rg3 Rf7 25. f5 g5 26. fxe6 Qxe6 27. Qg2 Ne7 28. Nf5 Nexf5 29. gxf5 Qd6 30. Bxg5 Rd7 31. Bb5 Rdd8 32. Bh6 Rc7 33. Bxg7 Rxg7 34. Rxg7+ Bxg7 35. f6 Qf8 36. Bc6 Kh8 37. fxg7+ Qxg7 38. Qxg7+ Kxg7 39. Ra1 Rc8 40. Rxa7+ Kh6 41. Bxd5 Rxc3 42. Be4 Rc4 43. Rxh7+ Kg5 44. Rd7 Kf4 45. Bg2 b5 46. Bf1 Rc1 47. Kf2 b4 48. Rb7 Rb1 49. h4 Kg4 50. Be2+ Kxh4 51. Rg7 b3 52. Rg4+ Kh3 53. Rg5 b2 54. Rh5# 1-0

[Event "Match/Nation YUG-CSR"]
[Site "Zagreb"]
[Date "1947.12.02"]
[Round "2"]
[White "Florian, Jaromir"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "81"]
[EventDate "1947.11.30"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "CRO"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]
[WhiteTeam "Czechoslovakia"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "CSR"]
[BlackTeamCountry "YUG"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Bxc6 dxc6 6. Nxe5 Qh4 7. Qe2 Nf6 8. Nd2 Bf5 9. Ndc4 Be7 10. Be3 Nd5 11. Bd2 0-0 12. g3 Qf6 13. h4 Rae8 14. 0-0-0 c5 15. g4 Be6 16. Qxe4 Qxf2 17. Nd3 Qf6 18. Nce5 Bf7 19. Rhf1 Qe6 20. c4 Nf6 21. Qg2 cxd4 22. g5 Nd7 23. Rde1 Bd6 24. Nf4 Qxe5 25. Rxe5 Nxe5 26. b3 Ba3+ 27. Kd1 c6 28. h5 Nxc4 29. g6 Ne3+ 30. Bxe3 dxe3 31. gxf7+ Rxf7 32. Ke2 Ref8 33. h6 g6 34. Kxe3 Rxf4 35. Rxf4 Bc1+ 36. Ke4 Bxf4 37. Qh3 b6 38. Qe6+ Rf7 39. Qe8+ Rf8 40. Qe6+ Rf7 41. Qc8+ 1/2-1/2

[Event "Match/Nation YUG-CSR"]
[Site "Zagreb"]
[Date "1947.11.30"]
[Round "1"]
[White "Kostic, Boris"]
[Black "Florian, Jaromir"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "83"]
[EventDate "1947.11.30"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "CRO"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "Czechoslovakia"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "CSR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 Nf6 7. Nc3 exd4 8. Nxd4 Bd7 9. 0-0 Be7 10. b3 0-0 11. Bb2 Re8 12. Re1 Bf8 13. Qf3 Ng4 14. Nxc6 Qh4 15. h3 Nxf2 16. Nd4 Nxh3+ 17. gxh3 Re5 18. Re2 Bxh3 19. Rh2 Qg5+ 20. Kh1 Bg4 21. Qg3 Rae8 22. Rg1 h5 23. Nf3 Bxf3+ 24. Qxf3 Qh6 25. Nd5 Rg5 26. Rxg5 Qxg5 27. Nf6+ gxf6 28. Rg2 Bg7 29. Bxf6 Bxf6 30. Qxf6 Qxg2+ 31. Kxg2 Rxe4 32. Qg5+ Kf8 33. Qxh5 Re6 34. Qh8+ Ke7 35. Qc8 Re2+ 36. Kf3 Rxc2 37. Qxa6 f5 38. Kf4 Rf2+ 39. Kg5 f4 40. Qa7 Rc2 41. Kxf4 Kd7 42. Ke3 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.11.02"]
[Round "17"]
[White "Kostic, Boris"]
[Black "Vukovic, Sava"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "49"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Qd5 11. Bg5 Be7 12. Bxe7 Kxe7 13. Qd3 Kf8 14. Rad1 Rd8 15. Qa3+ Kg8 16. Nc5 b6 17. Nb3 Qc4 18. c3 h6 19. Nbxd4 Kh7 20. b3 Qxc3 21. Rc1 Qa5 22. Qxa5 Nxa5 23. Rxc7 a6 24. Nxe6 fxe6 25. b4 1-0

[Event "Balkaniad-02 Men"]
[Site "Sofia"]
[Date "1947.11.??"]
[Round "1.6"]
[White "Kostic, Boris"]
[Black "Braunstein, Alexander"]
[Result "1/2-1/2"]
[ECO "D78"]
[PlyCount "81"]
[EventDate "1947.11.??"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "BUL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "Romania"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "ROU"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. Nc3 d5 7. d4 Na6 8. cxd5 cxd5 9. Qb3 b6 10. Ne5 Bb7 11. Rd1 h6 12. Bf4 e6 13. Rac1 g5 14. Be3 Nd7 15. f4 Nxe5 16. dxe5 gxf4 17. Bxf4 Nc5 18. Qc2 Qe7 19. e4 Nxe4 20. Nxe4 dxe4 21. Bxe4 Rac8 22. Qe2 Rxc1 23. Rxc1 Rd8 24. Qe3 Bxe4 25. Qxe4 Qd7 26. Kf2 Bf8 27. Be3 Qb5 28. b3 Bg7 29. Rc7 Qxe5 30. Qxe5 Bxe5 31. Rxa7 Bd4 32. Rb7 Bxe3+ 33. Kxe3 Rd6 34. a4 Kg7 35. b4 Kg6 36. Ke4 f6 37. a5 bxa5 38. bxa5 f5+ 39. Ke3 Rd5 40. a6 e5 41. a7 1/2-1/2

[Event "Balkaniad-02 Men"]
[Site "Sofia"]
[Date "1947.11.??"]
[Round "2.7"]
[White "Markov, Bozidar"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "156"]
[EventDate "1947.11.??"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "BUL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "YUG"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Be7 6. Bb5 0-0 7. 0-0 Nxd5 8. exd5 Nb4 9. Nxd4 Nxd5 10. Nf5 Nf6 11. Re1 Bc5 12. Qf3 d5 13. Bg5 Bxf5 14. Qxf5 Qc8 15. Qxc8 Raxc8 16. Bxf6 gxf6 17. Bd3 Rce8 18. Rxe8 Rxe8 19. Kf1 Bd4 20. c3 Be5 21. Rd1 Rd8 22. Bf5 b5 23. g3 c6 24. Rd2 h6 25. Ke2 Kf8 26. Kd1 Bc7 27. Kc2 Ke7 28. Re2+ Kd6 29. Bg4 Bb6 30. Bh5 Rd7 31. Bg4 Re7 32. Kd3 Rb7 33. Bc8 Rb8 34. Bg4 c5 35. Bh5 c4+ 36. Kc2 Rb7 37. f4 Bg1 38. Rg2 Be3 39. Re2 Bg1 40. Rg2 Bc5 41. Rd2 Rd7 42. Bg4 Rd8 43. Bh5 Ke7 44. Re2+ Kf8 45. Rd2 Rd6 46. Bf3 d4 47. cxd4 Bxd4 48. Be2 Ke7 49. Rd1 Ke6 50. a4 a6 51. axb5 axb5 52. b3 Kd5 53. Bh5 Rd7 54. Bg4 Ra7 55. Bf3+ Kc5 56. b4+ Kxb4 57. Rxd4 Ra2+ 58. Kb1 Rf2 59. Bh5 Kc3 60. Rd1 Rxh2 61. Bxf7 Rb2+ 62. Ka1 Rd2 63. Rxd2 Kxd2 64. Kb1 Ke3 65. Bh5 f5 66. Kc2 b4 67. Bf7 Kf3 68. Bg6 Kg4 69. Kb2 h5 70. Kc2 Kxg3 71. Bxh5 Kxf4 72. Be2 c3 73. Bd3 Ke5 74. Kb3 f4 75. Kxb4 Kd4 76. Bf5 f3 77. Kb3 f2 78. Bh3 Kd3 0-1

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.31"]
[Round "16"]
[White "Pirc, Vasja"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D09"]
[PlyCount "117"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. Nbd2 Qd7 7. Bg2 Rd8 8. 0-0 Nge7 9. Qa4 Ng6 10. a3 Be7 11. b4 0-0 12. Bb2 Bh3 13. b5 Bxg2 14. Kxg2 Ncxe5 15. Bxd4 Nxf3 16. Nxf3 Qg4 17. Be3 f5 18. Rad1 Rde8 19. Rd4 f4 20. c5 Qf5 21. Qc4+ Kh8 22. Rd5 Qe6 23. Bc1 fxg3 24. hxg3 Bf6 25. c6 bxc6 26. bxc6 Qxe2 27. Qxe2 Rxe2 28. Ra5 Rc2 29. Rxa7 Rxc6 30. Be3 Ne7 31. Nd4 Rc4 32. Ne6 Rc8 33. Rc1 Rxc1 34. Bxc1 Be5 35. f4 Bd6 36. Bb2 Kg8 37. Nxg7 Rb8 38. Bf6 Nc6 39. Ra6 Kf7 40. Nf5 Kxf6 41. Nxd6 Rb2+ 42. Kf3 cxd6 43. Rxc6 Rb3+ 44. Kg4 Rxa3 45. Rxd6+ Kg7 46. Kh4 Rf3 47. Rc6 Kf7 48. Rc4 Ra3 49. Rc7+ Kg8 50. g4 Ra5 51. f5 Ra1 52. Kg5 Ra6 53. Re7 Rb6 54. Re6 Rb4 55. Kf6 h6 56. Re8+ Kh7 57. Re7+ Kg8 58. g5 hxg5 59. Kg6 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.30"]
[Round "15"]
[White "Kostic, Boris"]
[Black "Kulzinski, Nikolaj"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "113"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 Be7 8. 0-0 c5 9. c4 b6 10. b3 Bb7 11. Bb2 cxd4 12. Nxd4 Nc5 13. Bc2 h5 14. Re1 h4 15. Ngf5 Kf8 16. Nxe7 Qxe7 17. Nf5 Qc7 18. Be5 Qc6 19. Bd6+ Ke8 20. f3 Rd8 21. Nxg7+ Kd7 22. Bxc5+ Kc8 23. Bd4 Rhg8 24. Bxf6 Rxd1 25. Raxd1 h3 26. Be4 Qc5+ 27. Bd4 Qg5 28. f4 Qg4 29. Rd3 Bxe4 30. Rg3 Qxf4 31. Nh5 Qh4 32. Rxg8+ Kb7 33. Bf2 Qxh5 34. Rxe4 Qh7 35. Rgg4 f5 36. Rh4 Qg7 37. Rxh3 fxe4 38. Re3 Qa1+ 39. Be1 Qxa2 40. h4 Kc6 41. Kh2 Qb1 42. Bg3 Qb2 43. Bf4 Qf6 44. Bg3 Qd4 45. Bf2 Qf6 46. Kg1 Qa1+ 47. Kh2 Qf6 48. Kg1 Qa1+ 49. Be1 Qd4 50. Bf2 Qa1+ 51. Re1 Qe5 52. g4 Qf4 53. g5 Qg4+ 54. Kh2 Qf4+ 55. Kg1 Qg4+ 56. Kh2 Qf4+ 57. Kg1 1/2-1/2

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.26"]
[Round "14"]
[White "Germek, Milan"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "A95"]
[PlyCount "94"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Be7 5. Bg2 0-0 6. Nf3 d5 7. 0-0 c6 8. cxd5 exd5 9. Ne5 Nbd7 10. Nd3 Bd6 11. Bf4 Qe7 12. Qc2 Nh5 13. Bxd6 Qxd6 14. e3 Nhf6 15. b4 Nb6 16. a4 a5 17. b5 Ne4 18. Ne5 Nd7 19. f4 Nxe5 20. fxe5 Qh6 21. Nxe4 dxe4 22. Rfe1 Bd7 23. bxc6 bxc6 24. Rab1 Rab8 25. Qc3 Qg5 26. Rxb8 Rxb8 27. Qxa5 Rb3 28. h4 Qg6 29. Qd8+ Be8 30. a5 h6 31. Kh2 Kh7 32. Qc8 Bf7 33. a6 Ra3 34. Re2 Bc4 35. Bh3 Be6 36. Qxc6 Kh8 37. d5 f4 38. gxf4 Qh5 39. Qc2 Bxh3 40. Kxh3 Qf3+ 41. Kh2 Qg4 42. Re1 Qxh4+ 43. Kg2 Qxe1 44. Qc8+ Kh7 45. Qf5+ Kg8 46. Qc8+ Kh7 47. Qf5+ Kg8 1/2-1/2

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.25"]
[Round "13"]
[White "Kostic, Boris"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "128"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. g3 Nc6 8. Bg2 Bd6 9. 0-0 0-0 10. d3 Rb8 11. Rb1 b6 12. Ng5 Bb7 13. Ne4 Qd8 14. f5 exf5 15. Rxf5 Ne7 16. Nxd6 Qxd6 17. Rf2 Ng6 18. Bxb7 Rxb7 19. Qf3 Re7 20. Bd2 Rfe8 21. b4 Ne5 22. Qf4 Qd5 23. Be3 cxb4 24. Rxb4 Nc6 25. Rb3 f6 26. Qf3 Qd7 27. Rb1 Nd4 28. Bxd4 Qxd4 29. Rbf1 Rc8 30. Kg2 Rec7 31. c4 Rd7 32. Rd1 Rxc4 33. dxc4 Qxd1 34. Re2 g6 35. Qa8+ Kg7 36. Qe8 Rf7 37. Qe4 Qd6 38. Qe8 Qc5 39. Qe6 Rc7 40. Rd2 Qe7 41. Qd5 Qf7 42. Kf3 Qxd5+ 43. cxd5 Kf7 44. Ke4 Re7+ 45. Kd4 Ke8 46. Rc2 Kd7 47. g4 f5 48. gxf5 gxf5 49. Rc6 Re4+ 50. Kd3 Ra4 51. Rh6 Rxa2 52. Kd4 f4 53. Rxh7+ Kd6 54. Rh6+ Ke7 55. Ke5 f3 56. Re6+ Kd7 57. Rf6 Re2+ 58. Kd4 f2 59. h4 Ke7 60. Rf5 Rd2+ 61. Kc4 Kd6 62. h5 a5 63. Rf6+ Ke5 64. Rf8 Rd4+ 0-1

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.23"]
[Round "12"]
[White "Milic, Borislav"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "A85"]
[PlyCount "104"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Qc2 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Nf3 0-0 8. a3 Bxc3+ 9. Qxc3 d6 10. e3 b6 11. Be2 Bb7 12. 0-0 Nd7 13. Rac1 a5 14. Rfd1 f4 15. exf4 Qxf4 16. Qe3 Qf6 17. b4 axb4 18. axb4 e5 19. dxe5 Nxe5 20. Nxe5 dxe5 21. c5 Ra3 22. Rd3 Ra2 23. Rdc3 Bd5 24. f3 b5 25. Bxb5 e4 26. f4 Qxf4 27. Qxf4 Rxf4 28. Rf1 Rg4 29. Rf2 Ra1+ 30. Rf1 Ra2 31. Rf2 Rxf2 32. Kxf2 e3+ 33. Kxe3 Rxb4 34. Bf1 Rb2 35. Ra3 Bxg2 36. Bxg2 Rxg2 37. Ra7 c6 38. Rc7 Rxh2 39. Rxc6 Kf7 40. Rc7+ Kf6 41. c6 Rc2 42. Kd4 h5 43. Rc8 h4 44. c7 Kg5 45. Ke5 Kg4 46. Kd6 h3 47. Rh8 g5 48. c8Q+ Rxc8 49. Rxc8 h2 50. Rh8 Kg3 51. Ke5 g4 52. Kf5 Kg2 1/2-1/2

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.22"]
[Round "11"]
[White "Kostic, Boris"]
[Black "Markovic, Mihajlo"]
[Result "1-0"]
[ECO "C73"]
[PlyCount "151"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Qd3 g6 8. Nc3 Bg7 9. h4 Bg4 10. Be3 Ne7 11. Nh2 Be6 12. h5 Qb8 13. 0-0-0 Qb4 14. dxe5 fxe5 15. Nf3 Bc4 16. Qd2 Rb8 17. b3 a5 18. Nb1 Be6 19. Ng5 Kd7 20. Qe2 d5 21. Nxe6 Kxe6 22. Qg4+ Kf7 23. Qf3+ Ke6 24. Rh4 Qd6 25. Bg5 Rhf8 26. Qh3+ Kf7 27. Qc3 d4 28. Qc4+ Ke8 29. f3 Kd7 30. c3 c5 31. Na3 Bf6 32. Bxf6 Qxf6 33. Rhh1 Qc6 34. Nb5 g5 35. a4 Qb6 36. Rd3 c6 37. Na3 Nc8 38. cxd4 cxd4 39. Kb2 Nd6 40. Qc2 Qb4 41. Rc1 Rbc8 42. Qc5 Rfe8 43. Qa7+ Rc7 44. Qa6 Nb7 45. Nc2 Qd6 46. Qc4 Qe6 47. Na3 Rf8 48. Qc2 c5 49. Nc4 Rf4 50. Qd2 g4 51. Nxa5 Nd6 52. Nc4 Nxc4+ 53. Rxc4 Qf7 54. Qe2 Qxh5 55. Rc2 Kd6 56. Ka3 g3 57. Qd2 Rf8 58. Rdc3 Qf7 59. Rc4 Rb8 60. Qa5 Rc6 61. f4 exf4 62. Rxd4+ Ke6 63. Qc3 Qf6 64. e5 Qxe5 65. Qc4+ Kf6 66. Rxf4+ Kg7 67. Rc3 Kh8 68. Re4 Qg7 69. Ka2 Rg6 70. Qxc5 Qf6 71. Rf3 Qd8 72. Qc3+ Kg8 73. Rxg3 Rc8 74. Rc4 Ra8 75. Rxg6+ hxg6 76. Rc7 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.19"]
[Round "10"]
[White "Puc, Stojan"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "40"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bd3 Nc6 8. h3 Be6 9. Nd4 Nxd4 10. cxd4 d5 11. Bf4 Bd6 12. Qd2 Qd7 13. 0-0-0 0-0-0 14. Bxd6 Qxd6 15. Rhe1 h6 16. f4 Rhe8 17. Re2 Bd7 18. Rde1 Rxe2 19. Rxe2 Re8 20. Rxe8+ Bxe8 1/2-1/2

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.18"]
[Round "9"]
[White "Kostic, Boris"]
[Black "Tot, Bora"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "67"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qe2+ Be7 8. Qh5 0-0 9. Ne2 g6 10. Qh6 Be6 11. Bxe6 fxe6 12. Qh3 Qa5+ 13. Bd2 Qf5 14. Qb3 b6 15. 0-0-0 Bd6 16. f3 b5 17. Nc3 a5 18. Rde1 Re8 19. g4 a4 20. Nxa4 bxa4 21. Qb7 Qd5 22. Qxa8 Qxa2 23. Kd1 e5 24. Bc3 e4 25. fxe4 Qb1+ 26. Kd2 Qa2 27. Rhf1 Qe6 28. Qxa4 Qxg4 29. Qc4+ Kh8 30. Kc1 Nd7 31. Qxc6 Bxh2 32. Kb1 Rf8 33. e5 Bg3 34. Rg1 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.17"]
[Round "8"]
[White "Bidev, Pavle"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "135"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. Nxe5 Nxe5 6. d4 c6 7. Be2 Be7 8. dxe5 Nxe4 9. Qd4 f5 10. Bh5+ g6 11. Bf3 Ng5 12. Be2 0-0 13. Bc4+ Ne6 14. Bh6 Rf7 15. Qc3 d5 16. exd6 Bxd6 17. Bc1 Qf6 18. Re1 Qxc3 19. Nxc3 Re7 20. Bg5 Re8 21. Rad1 Bc7 22. Ne2 c5 23. Nc3 Ba5 24. Rd6 Kf7 25. Bd2 a6 26. Na4 Bc7 27. Rd3 b6 28. Nc3 b5 29. Bd5 Rb8 30. Be3 Bd6 31. Ne2 Kf6 32. Red1 Bc7 33. h4 c4 34. R3d2 Bb6 35. Bh6 Ba5 36. c3 Rb6 37. Nf4 Rd6 38. Bxe6 Rxd2 39. Rxd2 Bxe6 40. Rd6 Kf7 41. Rxa6 Bd8 42. Bg5 Bxg5 43. hxg5 Bc8 44. Ra7+ Re7 45. Rxe7+ Kxe7 46. Nd5+ Kf7 47. f4 Bb7 48. Ne3 Ke6 49. Kf2 Bc8 50. Ke2 Kd6 51. b3 cxb3 52. axb3 Be6 53. b4 Bd7 54. Kd3 Be6 55. Kd4 Bb3 56. g4 fxg4 57. Nxg4 Ke6 58. Ne3 Kd6 59. c4 bxc4 60. Nxc4+ Ke6 61. b5 Bd1 62. Kc5 Bf3 63. Nd6 Bg2 64. b6 Ba8 65. b7 Bxb7 66. Nxb7 Kf5 67. Nd6+ Kxf4 68. Nf7 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.16"]
[Round "7"]
[White "Kostic, Boris"]
[Black "Vidmar, Milan Jr"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "80"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 dxc4 5. Bxc4 e6 6. Nc3 Nd7 7. Nge2 Nb6 8. Bb3 Ne7 9. 0-0 Ned5 10. Ng3 Bg6 11. f4 Qd7 12. Qf3 0-0-0 13. f5 exf5 14. Nxf5 f6 15. Ne4 fxe5 16. dxe5 Bxf5 17. Qxf5 Qxf5 18. Rxf5 Re8 19. Bg5 g6 20. Rf7 Rxe5 21. Raf1 Bb4 22. Bc2 Rhe8 23. a3 Be7 24. h4 Rxe4 25. Bxe4 Bc5+ 26. Kh2 Rxe4 27. Rxh7 Ne7 28. Rf8+ Kd7 29. Rg8 Nbd5 30. Rxg6 a5 31. Kh3 a4 32. Rg8 Bd4 33. Rb8 b5 34. Rb7+ Kd6 35. Rh6+ Kc5 36. Bc1 Re1 37. Bd2 Re2 38. Bc1 Bxb2 39. Bxb2 Rxb2 40. Re6 Nf4+ 0-1

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.15"]
[Round "6"]
[White "Bozic, Aleksandar"]
[Black "Kostic, Boris"]
[Result "1/2-1/2"]
[ECO "A92"]
[PlyCount "100"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 Ne4 7. d5 Bf6 8. Nbd2 Nd6 9. Qc2 Na6 10. Rb1 c5 11. dxc6 dxc6 12. c5 Nf7 13. b4 Nc7 14. Nc4 e5 15. Bb2 Qe7 16. Rbd1 Nd5 17. a3 e4 18. Bxf6 Nxf6 19. Nd4 Nd5 20. e3 Bd7 21. Rfe1 Rad8 22. Rd2 Bc8 23. Bf1 a6 24. Red1 g6 25. Bg2 Qf6 26. Qb3 Qe7 27. Qc2 h6 28. h4 Kg7 29. Kf1 h5 30. Qb2 Kh7 31. Rc1 g5 32. hxg5 Qxg5 33. Rdd1 Qg4 34. Qe2 Kg7 35. Qxg4+ hxg4 36. Ke2 Rh8 37. Rh1 Kf6 38. Kd2 Bd7 39. Rxh8 Rxh8 40. Rh1 Rxh1 41. Bxh1 Ne5 42. Nxe5 Kxe5 43. Bg2 f4 44. gxf4+ Nxf4 45. Bf1 Nh3 46. Ke1 Kd5 47. Nb3 Ng5 48. Na5 Bc8 49. Bc4+ Ke5 50. Be2 Nf7 1/2-1/2

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.13"]
[Round "5"]
[White "Kostic, Boris"]
[Black "Tomovic, Vasilje"]
[Result "1/2-1/2"]
[ECO "E04"]
[PlyCount "104"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. d4 e6 5. 0-0 Nc6 6. c4 dxc4 7. Qa4 Bd7 8. dxc5 Na5 9. Qc2 Bxc5 10. Ne5 Rc8 11. Bd2 b5 12. Nxd7 Nxd7 13. Qc3 Nc6 14. Bxc6 Rxc6 15. Qxg7 Qf6 16. Qg4 Qg6 17. Qf3 e5 18. Nc3 a6 19. a4 b4 20. Nd5 a5 21. e4 0-0 22. Be3 Re8 23. Rfd1 Bxe3 24. Nxe3 Nc5 25. Nf5 Rf6 26. Rd5 Nxe4 27. Qxe4 Qxf5 28. Qxf5 Rxf5 29. Rc1 Rc8 30. Rxa5 Rf3 31. Rxe5 Rb3 32. Re2 c3 33. bxc3 bxc3 34. Ra2 Kf8 35. Kg2 Ke7 36. a5 Kd6 37. a6 Kc5 38. a7 Ra8 39. Kf3 Kb4 40. Ra6 Kb5 41. Ra2 Kb4 42. Ke3 Rb2 43. Ra6 c2 44. Rb6+ Kc3 45. Rc6+ Kb3 46. Rc7 Ra2 47. f3 Re8+ 48. Kd3 Rd8+ 49. Ke2 Ra8 50. Ke3 Re8+ 51. Kd3 Rd8+ 52. Ke3 Re8+ 1/2-1/2

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.10"]
[Round "4"]
[White "Radojcic, Miroslav"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "131"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. Bg5 d6 8. Qd3 Qe7 9. Nbd2 Bg4 10. Rae1 Nd8 11. d5 h6 12. Bh4 Kh8 13. h3 Bc8 14. Kh1 Rg8 15. Bxf6 Qxf6 16. Nh2 g5 17. f3 Qg6 18. g4 c6 19. Bc4 Bc7 20. Bb3 cxd5 21. Bxd5 Ne6 22. Bxe6 Bxe6 23. c4 Rgd8 24. Qe2 Rac8 25. b3 Bb6 26. Nb1 Bd4 27. Na3 a6 28. Rd1 Ba7 29. Rd2 Qf6 30. Rfd1 Bc5 31. Nc2 a5 32. a4 Rc6 33. Nf1 Rb6 34. Rd3 h5 35. Kg2 hxg4 36. fxg4 Qg6 37. Ng3 Kg7 38. Rf1 Kf8 39. Nh5 Ke7 40. Rf6 Qg8 41. Rdf3 Qh7 42. Qd3 Rd7 43. Ne3 Bd4 44. Nf5+ Kd8 45. Nxd4 exd4 46. Qxd4 Kc7 47. Ng3 Qh8 48. Qe3 Qg8 49. Nh5 Rc6 50. Rh6 Rd8 51. Nf6 Qg7 52. Rh5 Rc5 53. Nd5+ Bxd5 54. exd5 f6 55. Qe6 Rf8 56. Qf5 Rf7 57. Re3 Kb6 58. Re6 Qf8 59. Rh7 Rxh7 60. Qxh7 Rc7 61. Qf5 Rf7 62. Qf2+ Kc7 63. Qa7 f5 64. Qxa5+ Kb8 65. Qe1 Kc7 66. Re8 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.09"]
[Round "3"]
[White "Kostic, Boris"]
[Black "Gruber, Bratoljub"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "172"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bg5 h6 11. Bh4 g5 12. Nf6+ Ke7 13. b4 Qf5 14. Bg3 Kxf6 15. b5 Qxb5 16. Nxd4 Qd5 17. Nxc6 bxc6 18. Qxd5 Bxd5 19. Be5+ Kg6 20. Bxh8 f6 21. a4 Bd6 22. Bxf6 Kxf6 23. Rab1 c5 24. a5 a6 25. Re3 Bc6 26. c3 Re8 27. Rxe8 Bxe8 28. Kf1 Be5 29. Rc1 c4 30. Ke2 Kf5 31. f3 Bxh2 32. Rh1 Be5 33. Rxh6 Bb5 34. Kd2 c6 35. Rh7 Bf6 36. Rf7 Kg6 37. Rd7 Be5 38. Ra7 Kf6 39. Rb7 Ke6 40. Rh7 Bf6 41. Rh6 Kf7 42. Rh7+ Ke6 43. Rh6 Ba4 44. g4 Kf7 45. Rh7+ Bg7 46. Rh5 Kg6 47. Rh1 Be5 48. Rb1 Bb5 49. Re1 Kf6 50. Rh1 Bc7 51. Ra1 Ke5 52. Ke3 Ke6 53. Kd2 Kd5 54. Ke3 Bf4+ 55. Ke2 Kc5 56. Kd1 Be5 57. Kd2 Bf6 58. Kc2 Kd6 59. Kd2 Ke5 60. Ke3 Bd8 61. Ra2 c5 62. Ra1 Bc7 63. Ra2 Bc6 64. Ra1 Bd5 65. Ra2 Ke6 66. Ra1 Kd7 67. Rh1 Kc6 68. Ra1 Kb5 69. Ra3 Bc6 70. Ra1 Ba8 71. Ra3 Bd5 72. Ra1 Bxa5 73. Rb1+ Kc6 74. Ra1 Kb6 75. Rb1+ Ka7 76. Rd1 Bb7 77. f4 gxf4+ 78. Kxf4 Bxc3 79. g5 Bd4 80. g6 c3 81. Rxd4 cxd4 82. Ke5 c2 83. g7 c1Q 84. g8Q Qe3+ 85. Kd6 d3 86. Qb3 Qb6+ 0-1

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.08"]
[Round "2"]
[White "Gligoric, Svetozar"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "D33"]
[PlyCount "161"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. Bg2 Bb4 8. 0-0 Nge7 9. e4 dxe4 10. Nxe4 0-0 11. a3 Ba5 12. Qa4 Bb6 13. Qxc4 Nxd4 14. Nxd4 Qxd4 15. Qe2 Qd7 16. Rd1 Qe6 17. Rd6 Qf5 18. Be3 Bxe3 19. Qxe3 Qe5 20. Rd2 Nc6 21. Rc1 Rb8 22. Rc5 Qe7 23. Nd6 Qxe3 24. fxe3 Bd7 25. Nxb7 Rxb7 26. Bxc6 Bxc6 27. Rxc6 g6 28. Ra6 Re8 29. Kf2 Kf8 30. b4 Rc8 31. Kf3 Ke7 32. Rd5 Rcc7 33. Ke4 Rc2 34. Rc5 Rd2 35. Rca5 Rdd7 36. Rd5 Rdc7 37. Kd4 h5 38. Ke5 Rc2 39. Rda5 Rcc7 40. Kf4 Kd7 41. Kg5 Ke7 42. e4 Kf8 43. Kf6 Re7 44. e5 Kg8 45. Rc5 Kh7 46. Rd6 Re8 47. b5 Kg8 48. e6 fxe6 49. Kxg6 e5 50. Rxe5 Rg7+ 51. Kf5 Rxe5+ 52. Kxe5 Rg5+ 53. Kf4 Rxb5 54. Rd8+ Kf7 55. Rd7+ Kg6 56. Rxa7 Rb6 57. Ra5 Rc6 58. Rg5+ Kh6 59. Re5 Ra6 60. Re3 Kg6 61. Kf3 Kf5 62. Rb3 Ra5 63. h3 Ra4 64. Ke3 h4 65. gxh4 Rxh4 66. Kd2 Ke5 67. Rd3 Rc4 68. Rc3 Ra4 69. Kc2 Ra8 70. h4 Rh8 71. Rc4 Kd5 72. Kc3 Rg8 73. a4 Rg1 74. Rf4 Kc5 75. Rf5+ Kc6 76. h5 Rh1 77. a5 Rh4 78. Kd3 Kd6 79. a6 Ra4 80. h6 Ke6 81. Rh5 1-0

[Event "YUG-ch03"]
[Site "Ljubljana"]
[Date "1947.10.07"]
[Round "1"]
[White "Vidmar, Milan Sr"]
[Black "Kostic, Boris"]
[Result "1-0"]
[ECO "A51"]
[PlyCount "81"]
[EventDate "1947.10.07"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nd2 Nc5 5. Ngf3 Nc6 6. g3 Qe7 7. Bg2 Nxe5 8. 0-0 d6 9. b4 Ne6 10. Bb2 f6 11. Qb3 Qf7 12. Nh4 Ng6 13. Nf5 Ne7 14. Ne3 g6 15. Ne4 Bg7 16. Nd5 Nxd5 17. cxd5 Nd8 18. Rac1 0-0 19. Qc2 f5 20. Ng5 Qe7 21. Bxg7 Kxg7 22. Qxc7 Re8 23. h4 Bd7 24. Qc3+ Kg8 25. e3 h6 26. Nf3 Nf7 27. Qb2 Rac8 28. Rxc8 Rxc8 29. Rc1 Rxc1+ 30. Qxc1 Qd8 31. Qc3 g5 32. hxg5 hxg5 33. Nd4 Qc8 34. Qxc8+ Bxc8 35. f4 gxf4 36. gxf4 Kg7 37. Bh3 Kf6 38. e4 Nh6 39. Kg2 Bd7 40. b5 Ke7 41. Bxf5 1-0

[Event "YUG-ch sf East"]
[Site "Skopje"]
[Date "1947.08.17"]
[Round "12"]
[White "Kostic, Boris"]
[Black "Puc, Stojan"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "25"]
[EventDate "1947.08.04"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "MKD"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 d5 5. Nxd5 Nxd5 6. exd5 Nb4 7. Ne2 Nxd5 8. d4 e6 9. 0-0 Be7 10. c4 Nb6 11. dxc5 Qxd1 12. Rxd1 Bxc5 13. b3 1/2-1/2

[Event "YUG-ch sf East"]
[Site "Skopje"]
[Date "1947.08.12"]
[Round "8"]
[White "Kostic, Boris"]
[Black "Matanovic, Aleksandar"]
[Result "0-1"]
[ECO "E93"]
[PlyCount "90"]
[EventDate "1947.08.04"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "MKD"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. h3 e5 8. d5 Nc5 9. Qc2 a5 10. g4 Ne8 11. Be3 f5 12. exf5 gxf5 13. 0-0-0 a4 14. Bxc5 dxc5 15. gxf5 Nd6 16. Rhg1 a3 17. b3 e4 18. Nxe4 Nxe4 19. Qxe4 Kh8 20. Ne5 Bxf5 21. Qe3 Qh4 22. f4 Bh6 23. Bg4 Bxg4 24. Rxg4 Qxg4 25. hxg4 Bxf4 26. Qxf4 Rxf4 27. Nd3 Rxg4 28. Nxc5 b6 29. Ne6 Rc8 30. Rd2 h5 31. Kc2 h4 32. Kc3 Kg8 33. Kb4 Kf7 34. Kb5 c6+ 35. Kxb6 cxd5 36. cxd5 h3 37. Nd4 Rg2 38. Rd3 Rh8 39. Rf3+ Kg6 40. Nf5 h2 41. Ng3 Rxg3 42. Rxg3+ Kf5 43. Rf3+ Ke5 44. Rf1 h1Q 45. Rxh1 Rxh1 0-1

