[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "Ivanovic, Bozidar"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2560"]
[ECO "C93"]
[PlyCount "131"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 h6 13. Bc2 Nb8 14. b3 Nbd7 15. Bb2
c6 16. c4 exd4 17. Bxd4 g6 18. Qb1 Bg7 19. b4 Rb8 20. Qa2 c5 21. Bb2 Qc7 22.
bxc5 Nxc5 23. cxb5 Ncxe4 24. Bxe4 Nxe4 25. Bxg7 Kxg7 26. bxa6 Nc3 27. Qc4 Qxc4
28. Nxc4 Bxf3 29. gxf3 d5 30. Rxe8 Rxe8 31. Nb6 Re7 32. Kf1 Ra7 33. a4 Kf6 34.
a5 Rxa6 35. Ke1 Ke5 36. Kd2 Nb5 37. Ke3 Na7 38. f4+ Kd6 39. Rd1 Nc6 40. f5 d4+
41. Kf4 gxf5 42. Nc4+ Kc5 43. Rc1 Nb4 44. Nb2+ Kd5 45. Rc7 Rxa5 46. Rb7 Kc5 47.
Rxf7 Ra2 48. Rxf5+ Kc6 49. Nc4 Rxf2+ 50. Ke4 Rxf5 51. Kxf5 Kc5 52. Nb2 Nd5 53.
Ke4 Nc3+ 54. Ke5 Ne2 55. Ke4 Ng3+ 56. Kf4 Ne2+ 57. Ke4 Nc3+ 58. Ke5 Nb5 59. h4
Kb4 60. Ke4 Kb3 61. Nd1 Kc2 62. Nf2 Kc3 63. h5 Nd6+ 64. Ke5 Nc4+ 65. Kf5 Ne3+
66. Kg6 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "Duric, Stefan"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2300"]
[ECO "D55"]
[PlyCount "51"]
[Source "Perpetual Check"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Rc1
b6 9. Bd3 Bb7 10. O-O Nd7 11. cxd5 exd5 12. Qb3 c6 13. Rfd1 Be7 14. e4 dxe4 15.
Nxe4 Qb8 16. a4 c5 17. Bb1 cxd4 18. Qd3 f5 19. Qxd4 fxe4 20. Qxd7 Bf6 21. Nd2
Re8 22. Nxe4 Bxb2 23. Nd6 Bxc1 24. Rxc1 Bd5 25. Nxe8 Qe5 26. Nc7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "Adorjan, Andras"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2540"]
[ECO "D37"]
[PlyCount "170"]
[Source "Perpetual Check"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3
Nc6 9. Be2 dxc4 10. Bxc4 a6 11. Bd3 h6 12. Qc2 Be7 13. O-O Nh5 14. Rfd1 Qe8 15.
Na4 Nxf4 16. exf4 b5 17. Bh7+ Kh8 18. Be4 Bb7 19. Nc5 Bxc5 20. Qxc5 Rc8 21. Qb6
f5 22. Bxc6 Qxc6 23. Qxc6 Bxc6 24. Ne5 Kh7 25. Rd6 Bd5 26. Rxa6 Rc2 27. h4 Rxb2
28. Rc1 b4 29. axb4 Rxb4 30. h5 Rfb8 31. Ng6 Rb1 32. Ra1 Rxa1 33. Rxa1 Bc6 34.
Ra6 Be8 35. Rxe6 Bf7 36. Rd6 Rb2 37. f3 Rb1+ 38. Kh2 Rb2 39. Kh3 Rf2 40. Rb6
Be8 41. Ra6 Bf7 42. Rd6 Be8 43. Ne7 Bxh5 44. Nxf5 Bg6 45. Ne7 Bf7 46. f5 h5 47.
Rc6 Rd2 48. Nc8 Be8 49. Rd6 Rf2 50. Rd8 Ba4 51. Rd4 Bb5 52. Rh4 Bf1 53. Rxh5+
Kg8 54. Kg3 Rxg2+ 55. Kf4 Rd2 56. Ne7+ Kf7 57. Nc6 Kf6 58. Ne5 Rd4+ 59. Ke3 Ra4
60. Ng4+ Kf7 61. Rh8 Ke7 62. Rh7 Kf8 63. Ne5 Ke7 64. Ng4 Kf8 65. Rh1 Bb5 66.
Rh8+ Ke7 67. Rg8 Kf7 68. Rb8 Ba6 69. f4 Ra3+ 70. Kd2 Rd3+ 71. Kc2 Rg3 72. Ne5+
Ke7 73. Kd2 Bf1 74. Ng6+ Kd6 75. Rd8+ Kc5 76. Nf8 Bh3 77. Ne6+ Kc6 78. Nd4+ Kc5
79. Ne6+ Kc6 80. Rf8 Kd6 81. Ng5 Ke7 82. Rf7+ Ke8 83. Rxg7 Bxf5 84. Ne6 Rd3+
85. Ke2 Rd7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "De Firmian, Nick"]
[Black "Suba, Mihai"]
[Result "1-0"]
[WhiteElo "2520"]
[BlackElo "2555"]
[ECO "B82"]
[PlyCount "75"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 e6 6. f4 a6 7. Qf3 Qb6 8. Nb3
Qc7 9. Bd3 b5 10. O-O Bb7 11. Bd2 Nbd7 12. Rae1 g6 13. Qh3 Bg7 14. f5 gxf5 15.
exf5 e5 16. Ne4 d5 17. Nxf6+ Bxf6 18. Na5 e4 19. Nxb7 Qxb7 20. c3 h5 21. Be2
O-O-O 22. Kh1 Rdg8 23. Bf4 Qc6 24. Rd1 Kb7 25. Rd2 Bg5 26. Qe3 f6 27. Rfd1 Nb6
28. a4 bxa4 29. c4 Nxc4 30. Bxc4 Bxf4 31. Qxf4 dxc4 32. Rd7+ Kc8 33. R7d6 Qb7
34. R1d5 Qc7 35. Qxe4 Rd8 36. Qe6+ Kb8 37. Rb6+ Ka7 38. Rxa6+ 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "Agzamov, Georgy"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2505"]
[ECO "E05"]
[PlyCount "93"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4
b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Nc6 12. Be3 Rc8 13. Nbd2 Bd5 14. Rd1 Ng4 15.
Nb3 Nb4 16. Bd2 Nf6 17. Nc5 Nc6 18. Be3 Bxc5 19. Qxc5 Ne4 20. Qc2 Nb4 21. Qb1
Nf6 22. Bg5 h6 23. Bxf6 Qxf6 24. a3 Bxf3 25. Bxf3 Nd5 26. Qc2 Rfd8 27. Rac1 Rd6
28. Qc5 Nb6 29. Kg2 Na4 30. Qxd6 cxd6 31. Rxc8+ Kh7 32. b3 Nb6 33. Rc6 Qd8 34.
Rdc1 Kg6 35. Rc7 Nc4 36. Ra7 Qb6 37. Rb7 Qxd4 38. bxc4 Qd2 39. Rb1 bxc4 40. Rc7
d5 41. e3 Kf6 42. Rbb7 Ke5 43. Rc6 Qa5 44. Rxf7 Qa4 45. Rfc7 Qxa3 46. Bg4 Ke4
47. Bxe6 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "Cebalo, Miso"]
[Black "Bjelajac, Milan"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2405"]
[ECO "A80"]
[PlyCount "88"]
[Source "Perpetual Check"]

1. d4 f5 2. Bg5 c6 3. c4 d6 4. Nc3 Qc7 5. e4 e5 6. exf5 Bxf5 7. Nge2 Be7 8. h4
Bxg5 9. hxg5 Qe7 10. dxe5 Qxe5 11. Qd4 Na6 12. O-O-O O-O-O 13. f4 Qxd4 14. Nxd4
Bd7 15. Bd3 h6 16. Rde1 Rf8 17. g3 Kd8 18. Bc2 Ne7 19. gxh6 Rxh6 20. Rxh6 gxh6
21. Ne6+ Bxe6 22. Rxe6 Ng8 23. Rxd6+ Ke7 24. Rg6 Kf7 25. f5 Nf6 26. Rxh6 Rg8
27. Ne2 Nb4 28. Bb1 c5 29. Nf4 Re8 30. Kd2 Rd8+ 31. Ke2 Nc6 32. Ne6 Nd4+ 33.
Nxd4 Rxd4 34. Rh4 Rd8 35. Be4 Nxe4 36. Rxe4 Kf6 37. g4 Kg5 38. b3 Rh8 39. Kd3
Rh3+ 40. Re3 Rh2 41. Re2 Rh8 42. Re7 Kf4 43. Rg7 a6 44. f6 Rh3+ 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.18"]
[Round "1"]
[White "Tarjan, James Edward"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2500"]
[ECO "B47"]
[PlyCount "51"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nc6 6. g3 Qc7 7. Bg2 Nf6 8. O-O
Be7 9. Re1 Nxd4 10. Qxd4 Bc5 11. Qd1 d6 12. Bg5 Nd7 13. Na4 Ba7 14. c4 Ne5 15.
Rc1 O-O 16. b3 Re8 17. Bf4 Bc5 18. Nxc5 Qxc5 19. Be3 Qc7 20. c5 dxc5 21. Rxc5
Nc6 22. e5 Qe7 23. Rc4 f5 24. exf6 gxf6 25. Qh5 Ne5 26. Bc5 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Smejkal, Jan"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2500"]
[ECO "A53"]
[PlyCount "95"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 d6 3. d4 Bg4 4. Nc3 c6 5. e4 Nbd7 6. Be2 e5 7. O-O Be7 8. Be3
O-O 9. d5 a6 10. b4 Qb8 11. Nd2 Bxe2 12. Qxe2 Rc8 13. Rfc1 cxd5 14. cxd5 Bd8
15. Nb3 Bb6 16. Na4 Bxe3 17. Qxe3 b5 18. Nb2 Qb6 19. Qe2 Kf8 20. Rc2 Rxc2 21.
Qxc2 Ne8 22. g3 Ra7 23. Qd3 Rc7 24. Kg2 Nef6 25. f3 h5 26. h4 Rc8 27. Qd2 Ne8
28. Rc1 Rxc1 29. Qxc1 Qc7 30. Qxc7 Nxc7 31. g4 Nf6 32. g5 Nd7 33. Kf2 f6 34.
gxf6 Nxf6 35. Nd1 Nd7 36. Ne3 g6 37. Kg3 Ke7 38. Na5 Kf6 39. Nb7 Ne8 40. Nd8
Nb6 41. Ne6 Ke7 42. Kf2 Na8 43. Nd1 Nec7 44. Ng5 Nb6 45. Nb2 Na4 46. Nd1 Nb6
47. Nb2 Na4 48. Nd1 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Bjelajac, Milan"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[WhiteElo "2405"]
[BlackElo "2535"]
[ECO "B22"]
[PlyCount "80"]
[Source "Perpetual Check"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nc6 6. Be3 c4 7. b3 cxb3 8. axb3
Bd6 9. Bd3 Nge7 10. O-O O-O 11. Nh4 Be6 12. f4 Ng6 13. Qh5 Qxh4 14. Bxg6 Qxh5
15. Bxh5 Ne7 16. Bc1 Rfc8 17. Ba3 Bxa3 18. Rxa3 a5 19. Be2 Nf5 20. Bd3 Nd6 21.
Rf2 Bd7 22. Rfa2 b6 23. Kf2 Nb5 24. Bxb5 Bxb5 25. Rb2 Bd7 26. c4 dxc4 27. bxc4
Rxc4 28. Rxb6 Kf8 29. Ke3 Rc2 30. d5 Rxg2 31. Rb7 Bf5 32. d6 Re8+ 33. Kd4 Rd8
34. Rxa5 Rxd6+ 35. Rd5 Rxd5+ 36. Kxd5 Rxh2 37. Nc3 g6 38. Rb8+ Kg7 39. Nb5 Rb2
40. Kc5 Bd7 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Gligoric, Svetozar"]
[Black "Cebalo, Miso"]
[Result "0-1"]
[WhiteElo "2505"]
[BlackElo "2475"]
[ECO "E41"]
[PlyCount "80"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4
e5 9. d5 Ne7 10. Rb1 Qc7 11. Nh4 h6 12. g3 Bh3 13. f4 O-O-O 14. fxe5 dxe5 15.
Rb2 Kb8 16. Nf3 Ka8 17. Qb3 Nc8 18. Re2 Rhe8 19. Ng1 Bg4 20. Re3 Nd6 21. h3 Bh5
22. a4 Bg6 23. Qc2 Nh5 24. Ne2 Qd7 25. a5 f5 26. exf5 Nxf5 27. Bxf5 Bxf5 28.
Qb3 Bxh3 29. Ba3 Rc8 30. Qb5 Qf5 31. Kd2 Nf6 32. Bxc5 Bf1 33. a6 bxa6 34. Qa5
Bxe2 35. Rxe2 Ne4+ 36. Rxe4 Qxe4 37. Re1 Qxc4 38. Bb4 Rb8 39. d6 Rb5 40. Qa3 a5
0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Suba, Mihai"]
[Black "Agzamov, Georgy"]
[Result "0-1"]
[WhiteElo "2555"]
[BlackElo "2535"]
[ECO "A30"]
[PlyCount "120"]
[Source "Perpetual Check"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. b3 O-O 8. d4
cxd4 9. Qxd4 d6 10. Rd1 Nbd7 11. Ba3 Nc5 12. Ne1 Bxg2 13. Nxg2 a6 14. Ne3 Qd7
15. Bxc5 bxc5 16. Qf4 Qc6 17. Rd2 Ne8 18. Rad1 f5 19. Ng2 g5 20. Qe3 Kf7 21.
Ne1 Bf6 22. Rd3 Rg8 23. Qd2 h5 24. Qe3 h4 25. Qf3 Qxf3 26. Nxf3 hxg3 27. hxg3
g4 28. Nd2 Be5 29. Kg2 Nf6 30. Rh1 Rac8 31. Na4 Rc6 32. Rh2 d5 33. e3 Rd8 34.
Rh1 Rg8 35. Rc1 d4 36. exd4 Bxd4 37. b4 e5 38. b5 Re6 39. Nb3 Ne4 40. Nxd4 exd4
41. b6 Rh6 42. Rdd1 d3 43. Rh1 d2 44. Rcd1 Rxh1 45. Rxh1 Ke6 46. Rd1 Kd6 47.
Rh1 Ke5 48. Nb2 Rb8 49. Rh6 Nf6 50. Kf1 Rxb6 51. Nd1 Kd4 52. Ke2 Kxc4 53. Ne3+
Kc3 54. Nd1+ Kd4 55. Ne3 Kc3 56. Nd1+ Kb4 57. Ne3 Rd6 58. Kd1 Ne4 59. Rxd6 Nxd6
60. Kxd2 Nc4+ 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Nikolic, Predrag"]
[Black "De Firmian, Nick"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2520"]
[ECO "A30"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Nc6 6. Nc3 e6 7. d4 Nxd4 8. Nxd4
Bxg2 9. Kxg2 cxd4 10. Qxd4 Be7 11. Rd1 O-O 12. Bf4 Qc8 13. b3 d6 14. Qd3 Rd8
15. Qf3 a6 16. Rd3 Qc7 17. Rad1 Rac8 18. g4 h6 19. h4 b5 20. cxb5 e5 21. g5 Nh7
22. Nd5 Qd7 23. Bxe5 dxe5 24. Nf6+ Nxf6 25. Rxd7 Nxd7 26. bxa6 Rc7 27. gxh6
gxh6 28. b4 Kf8 29. b5 Bc5 30. a4 Ke7 31. a5 Bd4 32. e3 Bc3 33. b6 Rc5 34. b7
1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Kapelan, Milorad"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2535"]
[ECO "A30"]
[PlyCount "46"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4
Bxg2 9. Kxg2 O-O 10. e4 Qc7 11. b3 Nxe4 12. Nxe4 Qe5 13. Qf3 Qxd4 14. Be3 Qe5
15. c5 Nc6 16. cxb6 axb6 17. a4 Qe6 18. Rab1 Ne5 19. Qe2 h6 20. f3 Rfc8 21. Qd2
g5 22. Nf2 Qc6 23. Ne4 g4 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.19"]
[Round "2"]
[White "Ivanovic, Bozidar"]
[Black "Duric, Stefan"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2500"]
[ECO "C90"]
[PlyCount "123"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3
d6 9. c3 Be6 10. Nbd2 Bxb3 11. Qxb3 Nd7 12. Qc2 Bf6 13. Nf1 Nc5 14. Ne3 g6 15.
b4 Ne6 16. Bb2 Bg7 17. a4 Qd7 18. Nd5 Rae8 19. c4 Ne7 20. axb5 axb5 21. Ra7
bxc4 22. Qxc4 Nxd5 23. exd5 Nf4 24. Bc1 e4 25. Rxe4 Ne2+ 26. Kh1 Nxc1 27. Qxc1
Ra8 28. Rxa8 Rxa8 29. Re1 Ra1 30. Qf4 Qa4 31. Qd2 Rxe1+ 32. Qxe1 Qa2 33. Kg1
Qxd5 34. Qe8+ Bf8 35. Qe4 Qb5 36. Qc4 Qb7 37. b5 d5 38. Qb3 Bg7 39. Qa4 Qc8 40.
Qa7 h6 41. h3 Bf8 42. Ne5 Qe6 43. Qxc7 Bd6 44. Qd8+ Kg7 45. Nf3 Bc5 46. Qc7 Qd6
47. Qc6 Kf6 48. Qe8 h5 49. h4 Qe6 50. Qh8+ Ke7 51. Nd4 Bxd4 52. Qxd4 Kd7 53.
Qa7+ Kc8 54. Kh2 Qf5 55. Kg1 Qe6 56. Kh2 f6 57. Qa6+ Kd7 58. Qb7+ Kd6 59. Qb6+
Kd7 60. Qb7+ Kd6 61. Qa7 Qd7 62. b6 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "Duric, Stefan"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2560"]
[ECO "E93"]
[PlyCount "115"]
[Source "Perpetual Check"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. d5
Ng4 9. Bg5 f6 10. Bh4 Nh6 11. Nd2 Nf7 12. b4 a5 13. a3 h5 14. h3 c6 15. Nb3
axb4 16. axb4 Rxa1 17. Qxa1 cxd5 18. cxd5 Qb6 19. Qa5 Qxa5 20. Nxa5 g5 21. Bg3
h4 22. Bh2 f5 23. f3 Nf6 24. Kd2 fxe4 25. fxe4 g4 26. hxg4 Ng5 27. Kd3 Bxg4 28.
Re1 Rf7 29. Bg1 Bxe2+ 30. Rxe2 Nh5 31. Kc2 Nf4 32. Rd2 Rc7 33. Bc5 dxc5 34. d6
Rd7 35. bxc5 Nfe6 36. Rd5 Nd8 37. Kb3 Nge6 38. Kc4 Nc6 39. Kb5 Ned4+ 40. Kb6
Nxa5 41. Kxa5 Bf6 42. Kb6 Kf7 43. Ka7 b5+ 44. Kb8 b4 45. Na4 b3 46. Nb2 Ke8 47.
Kc8 Rd8+ 48. Kc7 Rd7+ 49. Kc8 Nc6 50. Rd1 Na7+ 51. Kb8 Nc6+ 52. Kc8 Ra7 53. d7+
Ke7 54. Nc4 Nd8 55. Nb6 Ne6 56. Nd5+ Kf7 57. c6 Bg5 58. c7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "Adorjan, Andras"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2515"]
[ECO "A33"]
[PlyCount "32"]
[Source "Perpetual Check"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 d5 8.
cxd5 Nxd5 9. Nxd5 exd5 10. Bg2 Bb4+ 11. Bd2 a5 12. O-O O-O 13. Be3 Qa6 14. Nc5
Bxc5 15. Bxc5 Rd8 16. e3 Bf5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "De Firmian, Nick"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2520"]
[BlackElo "2300"]
[ECO "C42"]
[PlyCount "59"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Bf5 8. c4
dxc4 9. Bxc4 Nd6 10. Bb3 O-O 11. Nc3 c6 12. Re1 Na6 13. Bf4 Nc7 14. Ne5 Ndb5
15. Nxb5 Nxb5 16. Qh5 Bg6 17. Nxg6 hxg6 18. Qxg6 Nxd4 19. Be5 Bf6 20. Bxf6 Qxf6
21. Qxf6 gxf6 22. Re7 b5 23. Rae1 a5 24. R1e4 Ne6 25. Bxe6 fxe6 26. Rg4+ Kh8
27. Rgg7 Rfe8 28. Rh7+ Kg8 29. Reg7+ Kf8 30. h4 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "Agzamov, Georgy"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2540"]
[ECO "E12"]
[PlyCount "35"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 d5 5. Nc3 Be7 6. cxd5 exd5 7. Bf4 O-O 8. e3
c5 9. Be2 Bb7 10. O-O Nbd7 11. Ne5 Nxe5 12. Bxe5 Bd6 13. Bxf6 Qxf6 14. Bf3 Rfd8
15. g3 Bf8 16. Bg2 Rac8 17. Re1 g6 18. Re2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "Cebalo, Miso"]
[Black "Suba, Mihai"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2555"]
[ECO "E48"]
[PlyCount "79"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nge2 dxc4 7. Bxc4 e5 8.
O-O Nc6 9. a3 Bd6 10. Nb5 e4 11. Nxd6 Qxd6 12. h3 Be6 13. b3 Na5 14. Bd2 Nxc4
15. Bb4 Qd7 16. bxc4 Rfe8 17. d5 Bxh3 18. gxh3 Qxh3 19. Nf4 Qh4 20. f3 exf3 21.
Rxf3 Qg4+ 22. Ng2 Qxc4 23. Rxf6 gxf6 24. Qf3 a5 25. Be1 Rad8 26. Rd1 Re4 27.
Nf4 f5 28. Qh5 Rd6 29. Qxf5 Rxf4 30. Qxf4 Qe2 31. Rc1 Rxd5 32. Qg3+ Kf8 33.
Rxc7 h6 34. Rc8+ Ke7 35. Qc7+ Kf6 36. Bh4+ Kg7 37. Qg3+ Rg5 38. Bxg5 Qd1+ 39.
Kh2 Qe2+ 40. Qg2 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "Tarjan, James Edward"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2505"]
[ECO "E18"]
[PlyCount "83"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Bd2
d5 9. cxd5 exd5 10. Rc1 Nd7 11. Qb3 Nxd2 12. Nxd2 Nf6 13. Rfd1 a5 14. Nf3 Rb8
15. Ne5 c5 16. e3 Ba8 17. e4 dxe4 18. d5 b5 19. Nxe4 c4 20. Qc2 Nxe4 21. Bxe4
g6 22. Nc6 Qd6 23. Nxb8 Rxb8 24. a4 Bg5 25. Ra1 Bd8 26. Bg2 Qc5 27. axb5 Qxb5
28. Ra4 Rc8 29. d6 Bxg2 30. Kxg2 Rc5 31. Raa1 Qc6+ 32. Kg1 h5 33. Qa4 Qa8 34.
Re1 h4 35. Rad1 h3 36. Qe8+ Kg7 37. Qe4 Qxe4 38. Rxe4 a4 39. Re8 a3 40. bxa3 c3
41. Rxd8 c2 42. Rc1 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.20"]
[Round "3"]
[White "Rajkovic, Dusan"]
[Black "Bjelajac, Milan"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2405"]
[ECO "A80"]
[PlyCount "77"]
[Source "Perpetual Check"]

1. d4 f5 2. Bg5 c6 3. c4 h6 4. Bf4 Nf6 5. Nc3 g6 6. e3 Bg7 7. Bd3 O-O 8. h3 d5
9. Nf3 e6 10. Qb3 Ne4 11. Rc1 g5 12. Bh2 Kh7 13. Ne5 Nd7 14. Nxd7 Qxd7 15. f3
Nxc3 16. bxc3 b6 17. cxd5 exd5 18. O-O Kh8 19. c4 dxc4 20. Qxc4 Bb7 21. Be5
Bxe5 22. dxe5 Rae8 23. f4 gxf4 24. exf4 c5 25. Rf2 Bd5 26. Qc2 Qe6 27. Rd1 Rd8
28. Rfd2 Bb7 29. Bc4 Rxd2 30. Rxd2 Qg6 31. Rd6 Qg3 32. Rxh6+ Kg7 33. Rd6 Qe3+
34. Qf2 Qc1+ 35. Kh2 Qxc4 36. Qg3+ Kf7 37. Rd7+ Ke8 38. Rxb7 Qe6 39. Qg7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Smejkal, Jan"]
[Black "Bjelajac, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2405"]
[ECO "A80"]
[PlyCount "134"]
[Source "Perpetual Check"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. e3 Nf6 5. Bg3 d6 6. Nc3 Bg7 7. Bc4 e6 8. Bb3
Qe7 9. h4 Bd7 10. Qe2 g4 11. e4 fxe4 12. Nxe4 Nc6 13. O-O-O O-O-O 14. f3 Nxe4
15. Qxe4 gxf3 16. Nxf3 Na5 17. Rhf1 Rhg8 18. Bf4 Rde8 19. Qe3 Bc6 20. Rf2 Nxb3+
21. axb3 Bxf3 22. Rxf3 Qxh4 23. Rh3 Qg4 24. Bxh6 Qxg2 25. Bxg7 Rxg7 26. Kb1 Qg5
27. Qf2 b6 28. Re1 Qg2 29. Qe3 e5 30. Rh4 Rf7 31. Re4 Rf3 32. Qe2 Qxe2 33.
R4xe2 Rf5 34. Kc1 Kd7 35. Kd2 a5 36. Kd3 Rh5 37. Re4 Rh3+ 38. Kd2 Rh2+ 39. Kd3
Rh5 40. R1e3 c5 41. dxe5 Rhxe5 42. Rxe5 Rxe5 43. Rh3 d5 44. Kd2 Re6 45. Rh5 Kc6
46. Rg5 Rh6 47. Rg2 Kb5 48. Rg5 d4 49. Rg8 Rh1 50. Rg6 Rb1 51. Rh6 Ka6 52. Rh8
Rg1 53. Rh6 Kb5 54. Rf6 Rg2+ 55. Kd3 Rg3+ 56. Kd2 Rg7 57. Rd6 Rg2+ 58. Kc1 Rg1+
59. Kd2 Rb1 60. Rh6 Ka6 61. Rh8 c4 62. bxc4 Rxb2 63. Rd8 Rb1 64. Rxd4 a4 65.
Rd8 Kb7 66. Rd7+ Ka6 67. Rd8 Kb7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Gligoric, Svetozar"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2500"]
[ECO "E54"]
[PlyCount "61"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O cxd4 8. exd4
dxc4 9. Bxc4 b6 10. Re1 Bb7 11. Bd3 Nbd7 12. a3 Be7 13. Bf4 Nd5 14. Nxd5 Bxd5
15. Qe2 Nb8 16. Ne5 Nd7 17. Rac1 Nxe5 18. Bxe5 Bd6 19. Rc3 f6 20. Qh5 f5 21.
Rec1 Rf7 22. Ba6 Qd7 23. Qe2 Rd8 24. h3 h6 25. Bb5 Qe7 26. Bc6 Bxe5 27. Qxe5
Qd6 28. Qe2 Rc8 29. Bxd5 Rxc3 30. Rxc3 Qxd5 31. Qe5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Suba, Mihai"]
[Black "Tarjan, James Edward"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2535"]
[ECO "D79"]
[PlyCount "81"]
[Source "Perpetual Check"]

1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. cxd5 cxd5 8. Ne5
Ng4 9. f4 Nxe5 10. dxe5 Nc6 11. Kh1 Be6 12. Nc3 d4 13. Ne4 f6 14. exf6 Bxf6 15.
Nc5 Bf7 16. f5 Bd5 17. e4 Bc4 18. Bh6 Bg7 19. Bxg7 Kxg7 20. Rc1 Bg8 21. Nxb7
Qb6 22. e5 Nxe5 23. Rc5 Nd7 24. Qxd4+ Nf6 25. Qe5 Rae8 26. Rc7 Rf7 27. Nc5 Qd6
28. Ne6+ Kh8 29. Qc3 gxf5 30. Rc6 Qd7 31. Rxf5 Rff8 32. Rd5 Qb7 33. Rd1 Bxe6
34. Rxe6 Qb8 35. Rde1 Qd8 36. h3 Rg8 37. g4 Qc8 38. Bc6 Rd8 39. Qe5 Rd3 40. Bg2
Rf8 41. Rxe7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Nikolic, Predrag"]
[Black "Cebalo, Miso"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2475"]
[ECO "A34"]
[PlyCount "90"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8.
Ne1 h5 9. f4 h4 10. d3 hxg3 11. hxg3 c4 12. dxc4 Bc5+ 13. e3 Qxd1 14. Nxd1 exf4
15. Nd3 f3 16. Rxf3 Be7 17. N1f2 Ne6 18. Ne4 Ng5 19. Nxg5 Bxg5 20. Rf2 Be6 21.
Bd5 O-O-O 22. e4 Bf6 23. Be3 Ne5 24. Nxe5 Bxe5 25. Kg2 Rh5 26. Bxa7 Rdh8 27.
Bxe6+ fxe6 28. Raf1 Bxb2 29. Rf8+ Rxf8 30. Rxf8+ Kd7 31. Rf7+ Kc6 32. Bb8 Be5
33. Bxe5 Rxe5 34. Kf3 g5 35. Re7 b6 36. Ke3 Kd6 37. Rb7 Kc6 38. Ra7 Rc5 39. Kd4
e5+ 40. Kd3 g4 41. Rg7 Ra5 42. Rxg4 Ra3+ 43. Kc2 Rxa2+ 44. Kb3 Re2 45. Kb4 Rb2+
1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Kapelan, Milorad"]
[Black "Agzamov, Georgy"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2535"]
[ECO "A34"]
[PlyCount "72"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. d3
Be7 9. Nd2 Be6 10. Nc4 Nd5 11. Bd2 O-O 12. a3 Qd7 13. Rb1 Rfd8 14. Nxd5 Bxd5
15. Bxd5 Qxd5 16. Ne3 Qe6 17. Qe1 a5 18. Ng2 f5 19. a4 c4 20. dxc4 Qxc4 21. b3
Qe4 22. Bc3 Bc5 23. Rb2 Qd5 24. Qb1 Qf7 25. Nh4 e4 26. Ng2 b6 27. Rc2 Nd4 28.
Bxd4 Rxd4 29. Rfc1 Rad8 30. Rc4 Rd2 31. R4c2 R2d6 32. Ne3 f4 33. Ng4 Qe6 34.
Rxc5 bxc5 35. h3 h5 36. Nh2 Qxh3 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Ivanovic, Bozidar"]
[Black "De Firmian, Nick"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2520"]
[ECO "B99"]
[PlyCount "127"]
[Source "Perpetual Check"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. Qg3 b5 11. Bxf6 Bxf6 12. Bxb5 O-O 13. Bxd7 Bxd7 14. e5
dxe5 15. Ne4 exd4 16. Nxf6+ Kh8 17. Nh5 Rg8 18. Rxd4 Rac8 19. Qf2 Qa5 20. Kb1
Ba4 21. b3 Bxb3 22. axb3 Qxh5 23. h3 a5 24. Re1 Qg6 25. Qd2 a4 26. Rxa4 Rgd8
27. Rc4 Rb8 28. Rb4 Rbc8 29. Qf2 h6 30. g4 Qf6 31. Qe3 Rc3 32. Qe5 Qxe5 33.
Rxe5 Rxh3 34. Rb7 Kg8 35. g5 hxg5 36. fxg5 Rg3 37. Kb2 Rg2 38. Rc5 f5 39. gxf6
gxf6 40. Re7 e5 41. Rc6 Rf8 42. b4 f5 43. b5 f4 44. b6 Rg7 45. Rxe5 f3 46. Re1
f2 47. Rf1 Rg5 48. Rc3 Rb5+ 49. Rb3 Rbf5 50. c4 Kf7 51. Re3 Rc8 52. Ka3 Rf6 53.
Re2 Rxb6 54. Rexf2+ Ke7 55. Rf7+ Kd8 56. Ra7 Rc7 57. Rf8+ Ke7 58. Rxc7+ Kxf8
59. Rd7 Ke8 60. Rd5 Rb8 61. Ka4 Ke7 62. Rd4 Ke6 63. c5 Ke5 64. Rd1 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.21"]
[Round "4"]
[White "Duric, Stefan"]
[Black "Adorjan, Andras"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2535"]
[ECO "A36"]
[PlyCount "69"]
[Source "Perpetual Check"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 e5 6. Nge2 Nge7 7. O-O d6 8. a3
O-O 9. b4 Be6 10. bxc5 Bxc4 11. d3 Ba6 12. Na4 d5 13. Bb2 Qa5 14. Bc3 Qb5 15.
Nc1 d4 16. exd4 exd4 17. Bd2 Ne5 18. Re1 Rfe8 19. Ra2 Qd7 20. c6 bxc6 21. Nc5
Qc8 22. f4 Nd7 23. Bh3 f5 24. Qb3+ Kh8 25. Nxa6 Qxa6 26. Qf7 Bf6 27. Nb3 Rab8
28. Nc5 Nxc5 29. Qxf6+ Kg8 30. Rxe7 Rb1+ 31. Bf1 Rxe7 32. Qxe7 Nxd3 33. Be1 c5
34. Re2 Qc8 35. Bg2 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "Adorjan, Andras"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2560"]
[ECO "A29"]
[PlyCount "33"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8.
a3 O-O 9. d3 Be6 10. b4 f5 11. Bb2 Bf6 12. Nd2 Rb8 13. Nb3 Bf7 14. Nc5 e4 15.
Rc1 exd3 16. exd3 Nd4 17. Re1 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "De Firmian, Nick"]
[Black "Duric, Stefan"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2500"]
[ECO "C97"]
[PlyCount "81"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Nc4 14. Ng3 Rfe8 15. b3
Nb6 16. Be3 h6 17. Nd2 c4 18. Rc1 a5 19. bxc4 Nxc4 20. Nxc4 Qxc4 21. Bb3 Qc7
22. a4 bxa4 23. Bxa4 Reb8 24. Bxd7 Qxd7 25. f4 exf4 26. Bxf4 Nh7 27. Nf5 Bg5
28. Bxg5 hxg5 29. Qf3 Rd8 30. Rf1 a4 31. c4 a3 32. c5 dxc5 33. dxc5 a2 34. c6
Qe6 35. Qg3 Rac8 36. Rc2 g6 37. Nh6+ Kg7 38. Ng4 Qxe4 39. Qc3+ Qd4+ 40. Qxd4+
Rxd4 41. Rxa2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "Agzamov, Georgy"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2515"]
[ECO "A87"]
[PlyCount "33"]
[Source "Perpetual Check"]

1. Nf3 d6 2. d4 f5 3. g3 g6 4. Bg2 Nf6 5. c4 Bg7 6. Nc3 O-O 7. O-O Qe8 8. d5
Na6 9. Be3 Bd7 10. Qb3 c5 11. Qxb7 Nb4 12. Rfc1 Qd8 13. a3 Rb8 14. Qxa7 Nc2 15.
Rxc2 Ra8 16. Qb7 Rb8 17. Qa7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "Cebalo, Miso"]
[Black "Kapelan, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2300"]
[ECO "D55"]
[PlyCount "71"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Rc1
c6 9. Bd3 Nd7 10. cxd5 exd5 11. b4 Nb6 12. h3 Qd6 13. Qb3 Be6 14. O-O Rfc8 15.
Rfd1 Nd7 16. b5 c5 17. Bb1 c4 18. Qc2 Nf8 19. e4 Qd8 20. Qe2 a6 21. exd5 Bxd5
22. Nxd5 Qxd5 23. Be4 Qxb5 24. Rb1 Qe8 25. Rxb7 Rab8 26. Qc2 Rxb7 27. Bxb7 Rc7
28. Rb1 Qe6 29. d5 Qd6 30. Bc6 c3 31. g3 g6 32. Qa4 Kg7 33. Qxa6 Qc5 34. Qa4
Ra7 35. Qc2 Qa3 36. Kg2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "Tarjan, James Edward"]
[Black "Nikolic, Predrag"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2540"]
[ECO "C09"]
[PlyCount "179"]
[Source "Perpetual Check"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O cxd4 8.
Nb3 a6 9. Bxc6+ bxc6 10. Qxd4 Nf6 11. Re1+ Be6 12. Bf4 O-O 13. Rad1 Bg4 14.
Bxd6 Qxd6 15. Qc5 Ne4 16. Qxd6 Nxd6 17. Nc5 Rfb8 18. b3 Rb5 19. Nd3 Bxf3 20.
gxf3 Nf5 21. Ne5 Rc5 22. c4 dxc4 23. Nxc4 g6 24. Kg2 a5 25. Re4 Rb8 26. Rd7
Rbb5 27. f4 Rd5 28. Rc7 Rd4 29. Rxd4 Nxd4 30. Nd6 Rc5 31. Ra7 Ne2 32. f5 gxf5
33. Nc4 Rd5 34. Rxa5 Rd1 35. Ne3 Rg1+ 36. Kf3 Nd4+ 37. Kf4 Kg7 38. Nxf5+ Nxf5
39. Rxf5 Rc1 40. Ke5 Rc2 41. a4 Rd2 42. a5 Kf8 43. b4 Ke7 44. Rf3 Rd5+ 45. Ke4
Rb5 46. Ra3 Rxb4+ 47. Kd3 Rb7 48. a6 Ra7 49. Kc4 Kd6 50. Ra5 Kc7 51. Kc5 Kb8
52. Kb6 Re7 53. Rg5 Re8 54. f4 f6 55. Rg7 c5 56. Kxc5 Re4 57. f5 h5 58. Rb7+
Ka8 59. Rb4 Re2 60. Rh4 Ka7 61. Rxh5 Kxa6 62. h4 Re5+ 63. Kd6 Kb6 64. Rh6 Rxf5
65. Ke6 Rf1 66. Rxf6 Rh1 67. Rh6 Kc7 68. h5 Kc6 69. Rh8 Re1+ 70. Kf5 Rf1+ 71.
Kg4 Rg1+ 72. Kf3 Kb7 73. Kf4 Rf1+ 74. Kg5 Rg1+ 75. Kf6 Rf1+ 76. Kg7 Kc7 77. h6
Rg1+ 78. Kh7 Kd7 79. Rg8 Rf1 80. Rg4 Ke7 81. Kg6 Rf6+ 82. Kg5 Kf7 83. h7 Rg6+
84. Kh5 Rxg4 85. h8=Q Rg7 86. Qh6 Kg8 87. Qd6 Rh7+ 88. Kg6 Rg7+ 89. Kf6 Rf7+
90. Ke6 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "Rajkovic, Dusan"]
[Black "Suba, Mihai"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2555"]
[ECO "E59"]
[PlyCount "26"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3
Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. Nxe5 Nxe5 13. dxe5 Qxe5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.22"]
[Round "5"]
[White "Bjelajac, Milan"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[WhiteElo "2405"]
[BlackElo "2505"]
[ECO "B07"]
[PlyCount "82"]
[Source "Perpetual Check"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 e5 7. O-O c6 8. h3 b5
9. a3 Nbd7 10. Be3 Bb7 11. f4 exd4 12. Nxd4 a6 13. e5 dxe5 14. Nxc6 Qc7 15.
Nxe5 Nxe5 16. fxe5 Qxe5 17. Bxb7 Qxg3+ 18. Bg2 Qxe3+ 19. Rf2 Rad8 20. Qf3 Qxf3
21. Bxf3 Nd7 22. Rd1 Bxc3 23. bxc3 Ne5 24. Rd4 Nxf3+ 25. Rxf3 Kg7 26. a4 bxa4
27. Rxa4 Ra8 28. c4 Rfc8 29. Kf2 Rc6 30. Ke2 f5 31. Rd3 Re8+ 32. Re3 Rf8 33.
Re7+ Rf7 34. Rxf7+ Kxf7 35. Kd3 Rd6+ 36. Ke3 g5 37. c5 Rh6 38. c4 Ke7 39. Kd4
g4 40. hxg4 fxg4 41. Rb4 g3 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Smejkal, Jan"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2505"]
[ECO "E05"]
[PlyCount "85"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4
b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Nc6 12. Be3 Rc8 13. Nbd2 Bd5 14. Rd1 Na5 15.
Qc3 b4 16. Qd3 Bb7 17. Rac1 Ng4 18. Ne4 Nxe3 19. Qxe3 Bd5 20. b3 Nb7 21. Ne5
Qe8 22. Rc2 Nd6 23. Nc5 Nf5 24. Qd3 Bxg2 25. Kxg2 Rd8 26. e3 Bd6 27. Nf3 a5 28.
Rdc1 Ne7 29. Nb7 Ra8 30. Ng5 Ng6 31. Ne4 Qb8 32. Qb5 Ne7 33. Nbxd6 cxd6 34.
Qxb8 Rfxb8 35. Nxd6 Nd5 36. Ne4 h6 37. Nc5 Nc3 38. Na4 Nxa4 39. bxa4 Ra7 40.
Rc7 Rbb7 41. Rxb7 Rxb7 42. Rc8+ Kh7 43. Rc5 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Suba, Mihai"]
[Black "Bjelajac, Milan"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2405"]
[ECO "A86"]
[PlyCount "83"]
[Source "Perpetual Check"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 O-O 6. Nh3 d6 7. d5 c6 8. O-O e5
9. dxe6 Bxe6 10. Qb3 Qe7 11. Ng5 Bc8 12. Bf4 Kh8 13. Qa3 Ne8 14. Rad1 Be5 15.
Bxe5+ Qxe5 16. e4 Nd7 17. exf5 Nb6 18. Nf7+ Rxf7 19. Rfe1 Qxf5 20. Rxe8+ Rf8
21. Rxf8+ Qxf8 22. Ne4 Be6 23. Nxd6 Rd8 24. c5 Nc4 25. Qc3+ Kg8 26. Qe1 Nxd6
27. Qxe6+ Nf7 28. Rxd8 Qxd8 29. Bf1 Kg7 30. Bc4 Ng5 31. Qe3 Qf6 32. Kg2 Nf7 33.
Qb3 Ne5 34. Qxb7+ Kh6 35. Qb3 Ng4 36. Qc2 Qd4 37. h3 Ne5 38. Be2 Qd5+ 39. Kg1
Qxa2 40. Qd2+ g5 41. h4 Qb1+ 42. Kh2 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Nikolic, Predrag"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2500"]
[ECO "E11"]
[PlyCount "117"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8.
Rc1 Nb4 9. Qa4 a5 10. Bg2 O-O 11. O-O Nxc3 12. Rxc3 d6 13. a3 Bd7 14. Qb3 Nc6
15. d5 a4 16. Qc2 Nd8 17. e4 Ra5 18. e5 exd5 19. cxd5 c6 20. exd6 Qxd6 21. Ng5
Qg6 22. Qxg6 hxg6 23. Rd1 Rb5 24. Rcd3 Bg4 25. R1d2 Re8 26. h3 Bf5 27. Rd4 f6
28. Ne4 Rxd5 29. Rxd5 cxd5 30. Nc3 Be4 31. Nxa4 Nc6 32. f3 Bf5 33. g4 Bb1 34.
Rxd5 g5 35. Kf2 Ne5 36. Bf1 Ba2 37. Rb5 Re7 38. Nc3 Bf7 39. Rb4 Rc7 40. a4 Kf8
41. Be2 Ke7 42. Ke3 Kd8 43. Nb5 Rd7 44. Rd4 Bb3 45. Nd6 Kc7 46. Ne8+ Kd8 47.
Rxd7+ Nxd7 48. Nxg7 Bxa4 49. f4 Bb3 50. Nf5 Nc5 51. fxg5 fxg5 52. Nd4 Bd5 53.
Bf3 Bxf3 54. Nxf3 Ne6 55. Ke4 Ke7 56. Kf5 Nf4 57. h4 Nd3 58. h5 Kf8 59. Ne5 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Kapelan, Milorad"]
[Black "Tarjan, James Edward"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2535"]
[ECO "E60"]
[PlyCount "58"]
[Source "Perpetual Check"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. c4 O-O 8.
O-O d6 9. Nc3 Be6 10. c5 d5 11. Nb5 Qd7 12. Re1 Rad8 13. N5d4 Bh3 14. Bh1 Ne4
15. Be3 Nxd4 16. Bxd4 e5 17. Be3 f5 18. f3 Nf6 19. Qd2 f4 20. gxf4 Ne4 21. Qc1
Qf5 22. fxe5 Bxe5 23. Nd2 Bxh2+ 24. Kxh2 Qe5+ 25. f4 Rxf4 26. Nxe4 Rf2+ 27.
Kxh3 Rh2+ 28. Kg4 h5+ 29. Kf3 dxe4# 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Ivanovic, Bozidar"]
[Black "Cebalo, Miso"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2475"]
[ECO "B26"]
[PlyCount "98"]
[Source "Perpetual Check"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nf3
Nd4 9. O-O Ne7 10. h3 Nxf3+ 11. Bxf3 Nc6 12. Bg2 O-O 13. Bf4 e5 14. Bh6 Nd4 15.
Bxg7 Kxg7 16. f4 f6 17. Rf2 Be6 18. Raf1 exf4 19. Rxf4 Qc7 20. h4 h5 21. Nd1
Bg4 22. Nc3 Be6 23. Kh2 Qd7 24. Qf2 Qe7 25. Nd5 Bxd5 26. exd5 Rae8 27. Re4 Qd8
28. c3 Rxe4 29. Bxe4 Nb5 30. d4 b6 31. a4 Nc7 32. a5 Qe7 33. Bg2 Re8 34. axb6
axb6 35. dxc5 bxc5 36. b4 cxb4 37. cxb4 Qe5 38. Qa2 Nb5 39. Rf4 Nc3 40. Qb3 f5
41. b5 Ne2 42. Rf2 Qd4 43. Qf3 Re3 44. Qxe2 Rxe2 45. Rxe2 Qb4 46. Rf2 Qxb5 47.
Rf4 Qe2 48. Ra4 Kf6 49. Rf4 Ke7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Duric, Stefan"]
[Black "Agzamov, Georgy"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2535"]
[ECO "E41"]
[PlyCount "110"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 Nc6 6. Be2 Bxc3+ 7. bxc3 d6 8.
O-O e5 9. h3 O-O 10. Qc2 Re8 11. Bb2 e4 12. Nh2 Bf5 13. Rad1 Qe7 14. Rd2 h5 15.
Qd1 Bg6 16. Bc1 Rac8 17. Qa4 b6 18. Ba3 Bf5 19. Rb1 Na5 20. Nf1 Bd7 21. Qd1 Qe6
22. Ng3 Rc7 23. dxc5 dxc5 24. Nxh5 Nxh5 25. Bg4 f5 26. Bxh5 Nxc4 27. Bxe8 Nxd2
28. Bf7+ Kxf7 29. Qxd2 Ba4 30. Qe2 Rd7 31. c4 Rd3 32. Bb2 Kg6 33. f4 Qxc4 34.
Kh2 Qd5 35. Qf2 Kh7 36. Be5 Kg8 37. Rb2 c4 38. Rb4 b5 39. Qe1 a5 40. Rb1 b4 41.
Rc1 c3 42. a3 c2 43. Qg3 Qf7 44. axb4 Rd1 45. Bb2 axb4 46. Qf2 Qg6 47. Qe2 Kh7
48. Qc4 Qd6 49. Qf7 Qd7 50. Qf8 b3 51. Qa3 Qe8 52. Ra1 Rb1 53. Kg3 Qg6+ 54. Kh2
Rxb2 55. Qxb2 Qf6 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.23"]
[Round "6"]
[White "Adorjan, Andras"]
[Black "De Firmian, Nick"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2520"]
[ECO "A30"]
[PlyCount "27"]
[Source "Perpetual Check"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. d4 cxd4 7. Qxd4 Nc6 8. Qf4
Bb4 9. Bd2 O-O 10. O-O Be7 11. Rfd1 d6 12. Be3 Qd7 13. Bh3 Qc7 14. Nb5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "De Firmian, Nick"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2560"]
[ECO "C95"]
[PlyCount "118"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 d5 14. dxe5 Nxe4 15.
Ng3 Bc5 16. Nxe4 dxe4 17. Ng5 Nxe5 18. Qh5 h6 19. Nxe4 Nd3 20. Bxd3 Qxd3 21.
Qxc5 Rxe4 22. Be3 Re6 23. Qxc7 Qd5 24. f3 Rg6 25. Rf1 Re8 26. Rad1 Qe6 27. Rde1
Qxh3 28. Bg5 Qc8 29. Qxc8 Rxc8 30. Be7 Bd5 31. a3 Bc4 32. Rf2 Re8 33. Rd2 Rc6
34. Rd7 Kh7 35. Kf2 Kg6 36. Ra7 h5 37. Re5 Be6 38. Bh4 Rec8 39. f4 f6 40. Re3
Re8 41. Rg3+ Kf5 42. Raxg7 Bc4 43. Rh7 Be2 44. Rf7 Bc4 45. Rh7 Be2 46. Rd7 Kxf4
47. Rd5 Rce6 48. b3 Re5 49. Rd6 R5e6 50. Rd5 Re5 51. Rxe5 Rxe5 52. Bxf6 Re6 53.
Bg5+ Kf5 54. Be3 Bg4 55. Bd4 Re2+ 56. Kf1 Rb2 57. c4 Rb1+ 58. Kf2 bxc4 59. bxc4
Rc1 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "Agzamov, Georgy"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2535"]
[ECO "A47"]
[PlyCount "36"]
[Source "Perpetual Check"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Be7 5. Nbd2 b6 6. Bd3 Bb7 7. O-O O-O 8. c3
Nc6 9. Re1 cxd4 10. Bxf6 Bxf6 11. exd4 Rb8 12. Nc4 d6 13. Ne3 Ne7 14. Ng4 Nd5
15. Nxf6+ Nxf6 16. Ng5 b5 17. Qc2 g6 18. Qd2 Bc6 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "Cebalo, Miso"]
[Black "Duric, Stefan"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2500"]
[ECO "E45"]
[PlyCount "82"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 Bxc3+ 7. bxc3 O-O 8.
e4 Ne8 9. Bd3 Nc6 10. Ba3 d6 11. Qa4 Na5 12. O-O c5 13. e5 Qc7 14. Rfd1 f5 15.
f4 Rf7 16. Rac1 g6 17. Be2 dxe5 18. fxe5 Rc8 19. Nf1 Qd7 20. Qxd7 Rxd7 21. dxc5
Rxd1 22. Rxd1 Bxc4 23. Bf3 bxc5 24. Rd7 a6 25. Nd2 Bb5 26. Re7 Bc6 27. Bxc5
Bxf3 28. Nxf3 Rxc5 29. Rxe8+ Kf7 30. Ra8 Nc6 31. Rxa6 h6 32. Nd4 Nxe5 33. Rxe6
Nd3 34. Rc6 Ra5 35. h4 Rxa2 36. h5 Ne5 37. hxg6+ Nxg6 38. Nxf5 h5 39. Rc5 Nf4
40. Nh4 Ke7 41. Kh2 Rc2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "Tarjan, James Edward"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2515"]
[ECO "E11"]
[PlyCount "174"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 c5 5. e3 Nc6 6. a3 Bxd2+ 7. Bxd2 d6 8.
dxc5 dxc5 9. Bc3 Qc7 10. Qc2 e5 11. b4 Qe7 12. Qb2 Nd7 13. Be2 f6 14. O-O O-O
15. b5 Nd8 16. a4 Nf7 17. a5 Re8 18. Nd2 e4 19. Rae1 Rb8 20. Qc2 Nf8 21. Bh5 a6
22. bxa6 bxa6 23. Rb1 Bf5 24. Rb6 Rxb6 25. axb6 Bc8 26. Rb1 g6 27. Be2 Nd6 28.
Nb3 Nd7 29. Na5 Nb7 30. Qd1 Nb8 31. Qd5+ Kg7 32. Nc6 Nxc6 33. Qxc6 Rd8 34. Ra1
Bf5 35. Rxa6 Rd6 36. Qb5 Bd7 37. Qb2 Qd8 38. h3 h5 39. Qb1 Bc6 40. Ra2 Kh6 41.
Kf1 Kg7 42. Ke1 Kf7 43. Rd2 Rxd2 44. Bxd2 Nd6 45. Bc3 Bb7 46. Qa1 Nc8 47. Ba5
Nd6 48. Qd1 Ke6 49. f4 exf3 50. Bxf3 Qa8 51. Bc3 Bxf3 52. gxf3 f5 53. Kf2 Qa2+
54. Qe2 Qb1 55. Qb2 Qh1 56. Bh8 Qh2+ 57. Ke1 Qg1+ 58. Ke2 Qg2+ 59. Ke1 Qxb2 60.
Bxb2 Nb7 61. Kf2 Kd6 62. Bf6 Na5 63. Kg3 Kc6 64. Be7 Nb3 65. Kf4 Kxb6 66. Kg5
Nd2 67. Kxg6 Nxc4 68. Kxh5 Nxe3 69. Kg6 Nd5 70. Bg5 f4 71. Kf5 c4 72. Bxf4 Kc6
73. Ke4 c3 74. Be5 c2 75. Bb2 Kd6 76. Kf5 Ne3+ 77. Ke4 Nd5 78. h4 Ke6 79. Bc1
Nb4 80. Ke3 Kf5 81. Kd2 Nc6 82. Kxc2 Nd4+ 83. Kd3 Nxf3 84. h5 Ne5+ 85. Kd4 Nf7
86. Kd5 Kg4 87. h6 Nxh6 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "Rajkovic, Dusan"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2300"]
[ECO "D37"]
[PlyCount "81"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 b6 7. Rc1 Bb7 8. cxd5
Nxd5 9. Bg3 c5 10. Bd3 Nd7 11. O-O N7f6 12. Re1 Nxc3 13. bxc3 Be4 14. Ba6 Qd5
15. Ne5 cxd4 16. f3 Qa5 17. fxe4 Qxa6 18. exd4 Qb7 19. Bh4 Rac8 20. Qf3 Ne8 21.
Bf2 Bd6 22. Nd3 Qa6 23. Re2 Ba3 24. Rcc2 Nd6 25. e5 Nc4 26. Bh4 Qb5 27. Nf4
Qb1+ 28. Kf2 Bc1 29. Nh5 Bh6 30. Qe4 g6 31. Re1 Qb5 32. Nf6+ Kh8 33. Ng4 Bg7
34. Bf6 Bxf6 35. Nxf6 Kg7 36. Kg1 Nd6 37. Qh4 h6 38. exd6 Qd3 39. Rf2 Qxc3 40.
Ref1 Qe3 41. Nd7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "Bjelajac, Milan"]
[Black "Nikolic, Predrag"]
[Result "0-1"]
[WhiteElo "2405"]
[BlackElo "2540"]
[ECO "B07"]
[PlyCount "72"]
[Source "Perpetual Check"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 e5 7. O-O c6 8. h3 b5
9. a3 Bb7 10. Bg5 Nbd7 11. d5 cxd5 12. Nxd5 Bxd5 13. exd5 Qc7 14. a4 b4 15. c3
Rab8 16. Bd2 bxc3 17. Bxc3 Rfc8 18. Rc1 Qb7 19. a5 Rc4 20. b4 Qb5 21. Qd2 Ne4
22. Bxe4 Rxe4 23. Rc2 Nf6 24. Rd1 Rc8 25. Nc1 Rec4 26. Ne2 a6 27. Qd3 e4 28.
Qd2 e3 29. Qxe3 Nxd5 30. Rxd5 Qxd5 31. Rd2 Qe4 32. Qxe4 Rxe4 33. Bxg7 Kxg7 34.
Nf4 Rc6 35. Nd5 Rcc4 36. Kg2 Red4 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.25"]
[Round "7"]
[White "Gligoric, Svetozar"]
[Black "Suba, Mihai"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2555"]
[ECO "A75"]
[PlyCount "148"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 a6 8. a4
Bg7 9. e4 O-O 10. Be2 Bg4 11. O-O Bxf3 12. Bxf3 Qe7 13. Qd2 Nbd7 14. Rfe1 Rfe8
15. h3 c4 16. Be2 Rac8 17. Bf1 Ne5 18. Bh6 Bxh6 19. Qxh6 Qc7 20. Qd2 Ned7 21.
a5 Qd8 22. Qd4 Rc5 23. Bxc4 Rxa5 24. Rad1 Qb6 25. Qxb6 Nxb6 26. Bf1 Rc5 27. f4
Nbd7 28. Kf2 b5 29. Rd4 Nb6 30. Bd3 Nfd7 31. Ra1 Ra8 32. Be2 Rc7 33. Re1 f6 34.
Bg4 Nc5 35. e5 fxe5 36. fxe5 dxe5 37. Rxe5 Nc4 38. Re2 Rf8+ 39. Kg3 Nd6 40. Kh2
a5 41. Nd1 Nb3 42. Be6+ Kg7 43. Rg4 b4 44. Nf2 h5 45. Rh4 Nc5 46. Rd4 g5 47.
Rd1 a4 48. Kg1 Rf4 49. g4 h4 50. Bf5 a3 51. bxa3 bxa3 52. Ra1 Ra7 53. Raa2 Rf3
54. Rec2 Na6 55. Ra1 Nb4 56. Rd2 Kf6 57. Ne4+ Nxe4 58. Bxe4 Rxh3 59. d6 Re3 60.
d7 Rxd7 61. Rxd7 Rxe4 62. Rxa3 Rxg4+ 63. Kh2 Ke6 64. Kh3 Nc6 65. Rd2 Re4 66.
Ra6 Rc4 67. Rf2 Ke5 68. Ra8 Kd4 69. Rd2+ Ke4 70. Re8+ Kf5 71. Rf8+ Kg6 72. Rg8+
Kh5 73. Rh8+ Kg6 74. Rg8+ Kh5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "Smejkal, Jan"]
[Black "Suba, Mihai"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2555"]
[ECO "D30"]
[PlyCount "186"]
[Source "Perpetual Check"]

1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8.
Qd1 Bc5 9. O-O O-O 10. Bg5 d4 11. Nbd2 Re8 12. Ne1 Bg4 13. Ne4 Be7 14. Bxf6
Bxf6 15. Nd3 Be7 16. Rc1 Rc8 17. h3 Bf5 18. Qa4 Qa5 19. Qxa5 Nxa5 20. g4 Be6
21. b4 Nc6 22. a3 b6 23. Nd2 Nb8 24. Nf3 Nc6 25. Nd2 Nb8 26. Nf3 Nc6 27. Rfd1
h6 28. Rd2 Bf6 29. Rdc2 Ne7 30. Nf4 Rxc2 31. Rxc2 Bb3 32. Rb2 Ba4 33. Nh5 Bg5
34. Nxd4 g6 35. Ng3 Bf6 36. Rd2 Rc8 37. Bf3 Rc3 38. Ne4 Rc1+ 39. Kg2 Be5 40. e3
Kg7 41. Ne2 Ra1 42. N4c3 Rxa3 43. Nxa4 Rxa4 44. Rd7 Bf6 45. b5 a6 46. bxa6 Rxa6
47. Rb7 Bh4 48. Ng3 Nc8 49. Be2 Ra7 50. Rb8 Rc7 51. Ba6 Ne7 52. Rxb6 Rc2 53.
Bd3 Rd2 54. Bc4 Nc8 55. Rb4 Nd6 56. Bf1 Kf8 57. Ra4 Ke7 58. Kf3 Rd1 59. Bc4
Nxc4 60. Rxc4 Bxg3 61. Kxg3 Rd5 62. f4 h5 63. Kh4 hxg4 64. hxg4 Kf6 65. e4 Rd1
66. e5+ Kg7 67. f5 gxf5 68. gxf5 Re1 69. Rc5 Rf1 70. Kg4 Rg1+ 71. Kf4 Rf1+ 72.
Ke4 Re1+ 73. Kd5 Rd1+ 74. Kc6 Rf1 75. f6+ Kg6 76. Kd7 Re1 77. Kd6 Rd1+ 78. Rd5
Ra1 79. Rd2 Ra6+ 80. Kd5 Ra5+ 81. Ke4 Ra4+ 82. Rd4 Ra1 83. Rd7 Ra4+ 84. Kd5
Ra5+ 85. Kd6 Ra6+ 86. Kc7 Ra5 87. Re7 Rd5 88. Kc6 Rd1 89. Rd7 Rc1+ 90. Kd6 Rd1+
91. Ke7 Re1 92. Rd5 Re2 93. Kd6 Ra2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "Nikolic, Predrag"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2505"]
[ECO "D34"]
[PlyCount "115"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O
O-O 9. dxc5 Bxc5 10. Bg5 d4 11. Ne4 Be7 12. Bxf6 Bxf6 13. Rc1 Re8 14. Ne1 Be7
15. Nd3 Bf8 16. Qd2 a5 17. a3 a4 18. Nec5 Qb6 19. Qc2 Ra5 20. Nxa4 Qa7 21. Nac5
Bxc5 22. Nxc5 h6 23. Rfd1 Qb6 24. Bxc6 bxc6 25. Rxd4 Ra7 26. Rcd1 Rae7 27. R1d2
Kh8 28. b4 Qc7 29. Kg2 Re5 30. e4 f6 31. f4 R5e7 32. a4 Bg4 33. h3 Bc8 34. a5
Be6 35. Qc3 Qb8 36. Rd6 Bd5 37. Rxf6 gxf6 38. exd5 cxd5 39. Qxf6+ Kh7 40. Nd3
Qb7 41. Ne5 Re6 42. Qf5+ Kg8 43. Rd4 R8e7 44. Qd3 Rc7 45. h4 Rd6 46. f5 Qc8 47.
Rg4+ Kf8 48. Ng6+ Kf7 49. Qe3 h5 50. Ne5+ Kf8 51. Rg5 d4 52. Qf4 Qb7+ 53. Nf3
Qd5 54. Rxh5 Rc3 55. a6 Qa2+ 56. Kh3 Qxa6 57. Ng5 Re3 58. Ne6+ 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "Kapelan, Milorad"]
[Black "Bjelajac, Milan"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2405"]
[ECO "A89"]
[PlyCount "19"]
[Source "Perpetual Check"]

1. Nf3 f5 2. c4 g6 3. g3 Bg7 4. Bg2 Nf6 5. O-O O-O 6. d4 d6 7. Nc3 Nc6 8. d5
Na5 9. Qd3 c5 10. b3 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "Ivanovic, Bozidar"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2500"]
[ECO "B26"]
[PlyCount "111"]
[Source "Perpetual Check"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Nd4 8. Nd1
Be6 9. c3 Nc6 10. Ne2 Nge7 11. f4 O-O 12. O-O Qd7 13. Nf2 f5 14. d4 cxd4 15.
cxd4 fxe4 16. Nxe4 exf4 17. Nxf4 Bf7 18. Bh3 Nf5 19. Nh5 gxh5 20. Bxf5 Be6 21.
Bxh7+ Kxh7 22. d5 Bf5 23. dxc6 bxc6 24. Ng5+ Kg8 25. Bd4 Rae8 26. Rae1 Be5 27.
Bxe5 Rxe5 28. Rxe5 dxe5 29. Qxd7 Bxd7 30. Rxf8+ Kxf8 31. Nf3 Be6 32. a3 Ke7 33.
Nxe5 Kd6 34. Nf3 Kd5 35. Kf2 a5 36. Ke3 a4 37. Nd4 Bf7 38. h3 c5 39. Nb5 Ke5
40. Nc3 Be8 41. Ne4 c4 42. Nd2 Kd5 43. g4 h4 44. Nf3 c3 45. bxc3 Kc4 46. Kd2
Kb3 47. Ne5 Kxa3 48. Kc2 Ka2 49. c4 a3 50. c5 Bg6+ 51. Nxg6 Ka1 52. c6 a2 53.
Kd2 Kb1 54. c7 a1=Q 55. c8=Q Qd4+ 56. Ke2 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "Duric, Stefan"]
[Black "Tarjan, James Edward"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2535"]
[ECO "B22"]
[PlyCount "61"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 d5 5. d4 cxd4 6. exd4 Bb4 7. cxd5 Nxd5 8.
Bd2 O-O 9. Bd3 Nc6 10. O-O Nf6 11. Bg5 Be7 12. Rc1 b6 13. Bxf6 Bxf6 14. Ne4 Bb7
15. Nxf6+ Qxf6 16. Be4 Rac8 17. Rc3 Rfd8 18. Qb1 g6 19. Rfc1 Na5 20. Rxc8 Rxc8
21. Bxb7 Rxc1+ 22. Qxc1 Nxb7 23. Qc7 Qf5 24. h4 Qd5 25. Ne5 Nd8 26. Nd7 Qa8 27.
h5 gxh5 28. Qg3+ Kh8 29. Qe5+ Kg8 30. Qg5+ Kh8 31. Nf6 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "Adorjan, Andras"]
[Black "Cebalo, Miso"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2475"]
[ECO "A33"]
[PlyCount "85"]
[Source "Perpetual Check"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d5 7. Bf4 e5 8.
cxd5 exf4 9. dxc6 bxc6 10. Qxd8+ Kxd8 11. Rd1+ Bd7 12. Nd6 Kc7 13. Nxf7 Rg8 14.
Ne5 Rb8 15. Nxd7 Nxd7 16. g3 Rxb2 17. Bh3 Nf6 18. O-O fxg3 19. hxg3 Bb4 20. Rc1
Rd8 21. Bg2 Rdd2 22. a3 Be7 23. Nd1 Rb6 24. Ne3 Rxe2 25. a4 c5 26. Nf5 Bf8 27.
Nd4 Rd2 28. Nb5+ Kb8 29. Rfe1 a6 30. Na3 Rb4 31. Nc4 Ra2 32. a5 Kc7 33. Re6
Rxc4 34. Rxc4 Rxa5 35. Rc1 Ra4 36. Rc6+ Kd7 37. Rb6 Rd4 38. Rxa6 h5 39. Rb1 Be7
40. Ra7+ Ke8 41. Re1 Nd7 42. Bc6 Kd8 43. Rb1 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.26"]
[Round "8"]
[White "De Firmian, Nick"]
[Black "Agzamov, Georgy"]
[Result "0-1"]
[WhiteElo "2520"]
[BlackElo "2535"]
[ECO "C82"]
[PlyCount "76"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5
Be6 9. Nbd2 Nc5 10. c3 Bg4 11. Bc2 Be7 12. h3 Bh5 13. Re1 Qd7 14. Nf1 Rd8 15.
Ng3 Bg6 16. Nd4 Nxd4 17. cxd4 Ne6 18. Nf5 c5 19. Be3 Qa7 20. Rc1 Bxf5 21. Bxf5
cxd4 22. Bd2 Qb6 23. Bd3 O-O 24. Qc2 g6 25. f4 Nc5 26. f5 Nxd3 27. Qxd3 gxf5
28. Qxf5 Qg6 29. Qf4 d3 30. Rc7 Qb6+ 31. Re3 Qxc7 32. Bb4 Kh8 33. Rxd3 Qb6+ 34.
Kh2 Bxb4 35. Qxb4 Rg8 36. Rf3 Qe6 37. Qd4 Rde8 38. Re3 f6 {time} 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Agzamov, Georgy"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2560"]
[ECO "D90"]
[PlyCount "25"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 c5 7. Rc1 Nxc3 8.
Bxc3 cxd4 9. Nxd4 O-O 10. e3 Qb6 11. Be2 Bd7 12. O-O Nc6 13. Nxc6 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Cebalo, Miso"]
[Black "De Firmian, Nick"]
[Result "0-1"]
[WhiteElo "2475"]
[BlackElo "2520"]
[ECO "E45"]
[PlyCount "110"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 Bxc3+ 7. bxc3 d5 8.
Ba3 Bxc4 9. Bxc4 dxc4 10. e4 Qd7 11. O-O Qb5 12. f4 Nbd7 13. Qc2 Qa6 14. Qb2 h5
15. Rae1 h4 16. Nh1 h3 17. g3 O-O-O 18. Nf2 Qa4 19. Be7 Rde8 20. Bxf6 Nxf6 21.
Qe2 Qc6 22. Nd1 Nd7 23. a4 a6 24. Qc2 f5 25. e5 b5 26. a5 g5 27. fxg5 Reg8 28.
Ne3 Rxg5 29. d5 Qc5 30. dxe6 Nxe5 31. Rxf5 Rxf5 32. Qxf5 Kb8 33. Qe4 Re8 34.
Rd1 Nd3 35. Rf1 Qe7 36. Nxc4 Nc5 37. Qc6 Qxe6 38. Qxc5 Qe4 39. Rf2 Qe1+ 40. Rf1
Qe4 41. Rf2 Qe1+ 42. Rf1 Qxc3 43. Qd5 Qxc4 44. Qxc4 bxc4 45. Rc1 Re4 46. Kf2
Kb7 47. Kf3 Rd4 48. g4 Kc6 49. g5 Kb5 50. g6 Rd8 51. Ke3 Kb4 52. g7 c3 53. Rb1+
Kc4 54. Rc1 c5 55. Ke4 Rg8 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Tarjan, James Edward"]
[Black "Adorjan, Andras"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2535"]
[ECO "E12"]
[PlyCount "109"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. e3 g6 8. Bb5+
c6 9. Bd3 Bg7 10. O-O O-O 11. Nxd5 cxd5 12. Bd2 Nc6 13. Rc1 Rc8 14. Qa4 Rc7 15.
Bb5 Qc8 16. Rc3 a6 17. Bxc6 Rxc6 18. Rfc1 Rc4 19. Rxc4 dxc4 20. Qxc4 Qa8 21.
Qe2 Rd8 22. Bc3 Rc8 23. Re1 Be4 24. Nd2 Bd5 25. e4 Bc6 26. Qe3 a5 27. h4 h5 28.
Nf3 b5 29. Qf4 Be8 30. Qd2 Bc6 31. Ng5 Re8 32. d5 exd5 33. Bxg7 Kxg7 34. Qc3+
f6 35. exd5 b4 36. axb4 axb4 37. Qxb4 Bxd5 38. Re7+ Kh8 39. Nh3 Rxe7 40. Qxe7
Qc6 41. Kh2 Kg8 42. Nf4 Bf7 43. Qd8+ Kg7 44. Qd4 Qb7 45. b4 Qb8 46. Kg1 Qb5 47.
Nd3 g5 48. Nc5 gxh4 49. Qxh4 Qe2 50. Qd4 Bg6 51. Nd7 Qe6 52. b5 Be8 53. b6 Bxd7
54. b7 Qe8 55. Qd6 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Rajkovic, Dusan"]
[Black "Duric, Stefan"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2500"]
[ECO "D36"]
[PlyCount "21"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 c6 8. cxd5
exd5 9. Bd3 Re8 10. O-O Nf8 11. Qc2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Bjelajac, Milan"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2515"]
[ECO "B15"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 Nh6 6. exd5 cxd5 7. Bb5+ Nc6 8.
Ne5 Bd7 9. Bxc6 Bxc6 10. O-O Nf5 11. Re1 O-O 12. Nf3 Rc8 13. Ne2 Nd6 14. Ne5
Qb6 15. c3 Rfe8 16. Nf4 e6 17. h4 Ne4 18. Nxc6 bxc6 19. Nd3 Qd8 20. h5 c5 21.
dxc5 Nxc5 22. hxg6 hxg6 23. Nxc5 Rxc5 24. Be3 Rb5 25. Qe2 Qb8 26. Bxa7 Qb7 27.
Bd4 Rxb2 28. Qg4 e5 29. a4 Qc6 30. Be3 Qxc3 31. Qd7 Qc8 32. Qxd5 e4 33. Rac1
Qb8 34. a5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Gligoric, Svetozar"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2505"]
[BlackElo "2300"]
[ECO "D31"]
[PlyCount "63"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Qb6 7. a3 Nf6 8. Bd3
O-O 9. h3 Nbd7 10. Nf3 c5 11. Qc2 c4 12. Be2 Re8 13. O-O g6 14. Nd2 Nf8 15. b3
Bf5 16. Qa2 cxb3 17. Qxb3 Qxb3 18. Nxb3 Rac8 19. Rfc1 h5 20. Na5 b6 21. Nb7 Be6
22. Nd6 Bxd6 23. Bxd6 Ne4 24. Nxe4 dxe4 25. Ba6 Rxc1+ 26. Rxc1 Bd5 27. Rc7 Ra8
28. Be5 Kh7 29. Bb7 Bxb7 30. Rxf7+ Kh6 31. Rxb7 Ne6 32. Re7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.27"]
[Round "9"]
[White "Suba, Mihai"]
[Black "Nikolic, Predrag"]
[Result "0-1"]
[WhiteElo "2555"]
[BlackElo "2540"]
[ECO "D25"]
[PlyCount "76"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 b5 6. Be2 e6 7. a4 b4 8. O-O
Bb7 9. Nbd2 c5 10. Nb3 Nbd7 11. Bd2 cxd4 12. Nfxd4 e5 13. Nc2 a5 14. f3 Qb6 15.
Be1 Bd5 16. Nd2 Bc5 17. Kh1 O-O 18. e4 Be6 19. Nc4 Qa7 20. Bh4 Nh5 21. Rc1 Nf4
22. Na1 Bd4 23. Nb3 Bxb2 24. Rc2 Nxe2 25. Qxe2 Bc3 26. Nbxa5 Rfc8 27. Rd1 Qc7
28. Be1 Bxe1 29. Qxe1 Rxa5 30. Ne3 Rc5 31. Rb2 b3 32. Nd5 Bxd5 33. exd5 Rb8 34.
d6 Qa5 35. Qe4 Rb4 36. Qf5 Qxa4 37. Rbb1 b2 38. Qg5 Qxd1+ 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "Smejkal, Jan"]
[Black "Nikolic, Predrag"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2540"]
[ECO "A28"]
[PlyCount "73"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Nf3 Be7 5. Be2 O-O 6. O-O d5 7. cxd5 Nxd5 8.
d3 Be6 9. Bd2 Ndb4 10. Qb1 a5 11. Rd1 Qd7 12. a3 Na6 13. d4 exd4 14. exd4 Bf5
15. Bd3 Bxd3 16. Qxd3 h6 17. Qb5 Rfd8 18. Be3 Bd6 19. Rac1 b6 20. Ne4 Ne5 21.
Qe2 Ng6 22. Bxh6 Re8 23. Qc2 Qe6 24. Nxd6 Qxd6 25. Be3 Rac8 26. Ng5 Nb8 27. Qf5
Qd7 28. Qf3 f6 29. Ne4 Qe6 30. Ng3 Nd7 31. Nf5 Ndf8 32. Rc6 Qb3 33. Rdc1 Ne6
34. Nd6 cxd6 35. Rxc8 Rxc8 36. Rxc8+ Ngf8 37. Qe2 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "Kapelan, Milorad"]
[Black "Suba, Mihai"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2555"]
[ECO "A30"]
[PlyCount "117"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4
Bxg2 9. Kxg2 Qc8 10. Qd3 Nc6 11. b3 h5 12. Bb2 h4 13. Nf3 Nb4 14. Qb1 d5 15.
Nxh4 dxc4 16. Ne4 Qc6 17. f3 Nxe4 18. Bxg7 Rxh4 19. gxh4 Nd2 20. Qc1 Nxf1 21.
Kxf1 cxb3 22. Qxc6+ Nxc6 23. axb3 f6 24. Bh6 O-O-O 25. Be3 Rh8 26. Ra4 b5 27.
Rg4 Ne5 28. Rg2 a5 29. f4 Nc6 30. Rxg6 Rxh4 31. Rg2 a4 32. bxa4 bxa4 33. Bc1
Nd4 34. e3 Nf5 35. Rg8+ Kb7 36. e4 Nd4 37. Rg7 Nc6 38. Kg2 Rh8 39. Ba3 Kb6 40.
h4 Rd8 41. Kh3 Rd1 42. Rg2 e5 43. fxe5 Nxe5 44. Be7 Rf1 45. h5 Kc6 46. Rd2 Rh1+
47. Kg3 Rxh5 48. Rd6+ Kb5 49. Rd5+ Kc4 50. Bxf6 a3 51. Rxe5 Rh6 52. Rf5 a2 53.
Bb2 Rb6 54. Ba1 Rb1 55. Bf6 Rb6 56. Bh8 Rb8 57. Ra5 Rxh8 58. Rxa2 Kd4 59. Ra4+
1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "Ivanovic, Bozidar"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2505"]
[ECO "C54"]
[PlyCount "28"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. Bb3 O-O 8. Nbd2
Ba7 9. Nc4 Ne7 10. a4 Ng6 11. a5 Be6 12. Be3 Bxe3 13. Nxe3 Nf4 14. Bxe6 Nxe6
1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "Duric, Stefan"]
[Black "Bjelajac, Milan"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2405"]
[ECO "A80"]
[PlyCount "134"]
[Source "Perpetual Check"]

1. d4 f5 2. Nc3 d5 3. Bg5 c6 4. e3 Nf6 5. Bxf6 exf6 6. Bd3 g6 7. Qf3 Bd6 8.
Nge2 Nd7 9. h3 Ne5 10. dxe5 fxe5 11. e4 fxe4 12. Nxe4 dxe4 13. Bxe4 Rf8 14. Qc3
Bf5 15. Bxf5 gxf5 16. O-O-O Qe7 17. Qa5 Qc7 18. Qa4 a6 19. Qh4 Rd8 20. Rhe1 Qe7
21. Qg3 Kd7 22. f4 Kc8 23. Nd4 e4 24. Kb1 h5 25. Qg6 Qf6 26. Qxh5 Bxf4 27. Nb3
Bg3 28. Rf1 Bc7 29. Rde1 Qe5 30. g4 fxg4 31. Qxg4+ Kb8 32. Rg1 e3 33. Nc1 Bb6
34. Nd3 Qb5 35. a4 Qa5 36. Qe2 Bd4 37. h4 Ka8 38. Rg5 Qc7 39. h5 Rfe8 40. Qg4
Bf6 41. Rg6 Bh8 42. Re6 Rxe6 43. Qxe6 Qh2 44. Qxe3 Qxh5 45. Qe7 Rb8 46. Nc5 Qg4
47. Nd7 Qd4 48. c3 Qd3+ 49. Ka2 Bxc3 50. Re3 Qd5+ 51. Ka3 Bd4 52. Rd3 Bxb2+ 53.
Kxb2 Qxd3 54. Nb6+ Ka7 55. Qc5 Re8 56. Nd5+ Ka8 57. Nc7+ Kb8 58. Nxe8 Qe2+ 59.
Kc3 Qxe8 60. Qd6+ Ka8 61. Kd4 Qb8 62. Qe7 Qf4+ 63. Kc5 Ka7 64. Qd8 Qe5+ 65. Kc4
b5+ 66. Kd3 Qd5+ 67. Qxd5 cxd5 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "Adorjan, Andras"]
[Black "Rajkovic, Dusan"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2500"]
[ECO "A54"]
[PlyCount "43"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. Bg5 Be7 6. Qc2 c6 7. O-O-O Ng4 8.
Bxe7 Qxe7 9. e3 Ngf6 10. Bd3 a6 11. Rhg1 b5 12. g4 bxc4 13. Bxc4 Nb6 14. dxe5
dxe5 15. g5 Nfd7 16. Ne4 O-O 17. Bb3 c5 18. g6 c4 19. gxf7+ Kh8 20. Neg5 Nf6
21. Nh4 e4 22. Ba4 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "De Firmian, Nick"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2535"]
[ECO "C44"]
[PlyCount "24"]
[Source "Perpetual Check"]

1. e4 e5 2. d4 exd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. O-O Nf6 7. c4 Bg4 8. Nc3
Be7 9. Be2 O-O 10. Be3 Re8 11. Nd4 Bxe2 12. Qxe2 Nd7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.28"]
[Round "10"]
[White "Agzamov, Georgy"]
[Black "Cebalo, Miso"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2475"]
[ECO "A61"]
[PlyCount "96"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5 h6 8. Bh4
Bg7 9. Nd2 a6 10. a4 g5 11. Bg3 Nh5 12. e3 Nxg3 13. hxg3 Nd7 14. Nce4 Nf6 15.
Nxf6+ Qxf6 16. Nc4 O-O 17. Ra2 Bf5 18. a5 Rae8 19. Be2 Qe7 20. O-O Bd7 21. g4
h5 22. gxh5 f5 23. b3 g4 24. g3 Rf6 25. Kg2 Rh6 26. Rh1 Kf7 27. Bd3 Qg5 28. f4
Qf6 29. Re2 Reh8 30. Ree1 Rxh5 31. Rxh5 Rxh5 32. Rh1 Rxh1 33. Qxh1 Kg6 34. Qd1
Kf7 35. Qc2 Kg6 36. Qe2 Kf7 37. Qc2 Kg6 38. Qd1 Kf7 39. Qb1 Kg6 40. Be2 Kf7 41.
Bd3 Kg6 42. b4 cxb4 43. Qxb4 Bb5 44. Kf2 Bf8 45. Qb1 Be7 46. Qc2 Bd8 47. Qd1
Kg7 48. Qc2 Kg6 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Cebalo, Miso"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2560"]
[ECO "A29"]
[PlyCount "83"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 e5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. a3
O-O 9. O-O Be6 10. Be3 f5 11. Rc1 Bf6 12. Nd2 Rb8 13. Nb3 Nd5 14. Nc5 Bf7 15.
Bd2 Nxc3 16. Bxc3 Qd6 17. Bd2 Bd5 18. e4 fxe4 19. dxe4 Bf7 20. Be3 Rfd8 21.
Qxd6 Rxd6 22. Bh3 a5 23. Rfd1 Rxd1+ 24. Rxd1 Rd8 25. Rc1 b6 26. Nd7 Be8 27.
Be6+ Kh8 28. Nxf6 gxf6 29. Bh6 Nd4 30. Bg4 c5 31. Kg2 Bc6 32. f3 Kg8 33. b4
axb4 34. axb4 cxb4 35. Be3 Bd7 36. Bxd7 Rxd7 37. Rc4 b3 38. Rb4 Nc2 39. Rxb3
Nxe3+ 40. Rxe3 b5 41. Rb3 Rb7 42. Kf2 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Tarjan, James Edward"]
[Black "Agzamov, Georgy"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2535"]
[ECO "A70"]
[PlyCount "77"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 a6 8. e4
Bg7 9. Qa4+ Bd7 10. Qb3 Bc8 11. a4 O-O 12. Be2 Nh5 13. Bg5 f6 14. Be3 f5 15.
exf5 gxf5 16. Ng5 Bxc3+ 17. bxc3 f4 18. Ne6 Bxe6 19. dxe6 Qe7 20. Bxh5 fxe3 21.
Bf7+ Kg7 22. O-O Nc6 23. fxe3 Nd8 24. Qd5 Nxf7 25. exf7 Qxe3+ 26. Kh1 Qe5 27.
Qf3 Qe6 28. Qxb7 Qc4 29. Rae1 Rab8 30. Qe7 Qd3 31. h3 Rbc8 32. Qd7 Rb8 33. Rf3
Qg6 34. Kh2 Rbd8 35. Qe7 Kh8 36. Re6 Qg7 37. Qxd8 Rxd8 38. Re8+ Qf8 39. Rxd8
1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Rajkovic, Dusan"]
[Black "De Firmian, Nick"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2520"]
[ECO "A75"]
[PlyCount "66"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2
a6 9. a4 Bg4 10. O-O O-O 11. Bf4 Re8 12. Nd2 Bxe2 13. Qxe2 Nh5 14. Be3 Nd7 15.
a5 Bd4 16. g4 Nhf6 17. f3 h5 18. h3 b5 19. axb6 Nxb6 20. Nd1 Nbxd5 21. exd5
Nxd5 22. Nc4 Rb8 23. Ra3 Rb4 24. Qc2 Rxc4 25. Qxc4 Bxe3+ 26. Kg2 Nf4+ 27. Kg3
Bd4 28. Qxa6 Re2 29. h4 g5 30. hxg5 Qxg5 31. Qc8+ Kg7 32. Nf2 Bxf2+ 33. Rxf2
h4+ 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Bjelajac, Milan"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[WhiteElo "2405"]
[BlackElo "2535"]
[ECO "B22"]
[PlyCount "115"]
[Source "Perpetual Check"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be2 Be7 7. O-O O-O 8. c4
Qd8 9. Nc3 cxd4 10. Nxd4 Bd7 11. Bf3 Qc8 12. Qe2 Nc6 13. Nxc6 Bxc6 14. b3 Rd8
15. Bg5 h6 16. Bh4 Qc7 17. Bxc6 Qxc6 18. Rad1 a6 19. Rxd8+ Rxd8 20. Rd1 Rxd1+
21. Nxd1 Qd7 22. Bg3 Bc5 23. h3 Qd8 24. Nc3 Qd4 25. Be5 Qh4 26. Qf3 Nh7 27. Ne4
Ng5 28. Nxg5 Qxg5 29. Qf4 Qh5 30. Qg3 Qd1+ 31. Kh2 Bf8 32. c5 Qd5 33. Bd6 Bxd6
34. cxd6 Kf8 35. Qf4 a5 36. g3 b5 37. h4 e5 38. Qf5 Qxd6 39. Qh7 Qf6 40. Qh8+
Ke7 41. Kg1 g5 42. Qb8 gxh4 43. Qxb5 hxg3 44. fxg3 Qg5 45. Qc5+ Kf6 46. Qc6+
Kg7 47. Qc3 h5 48. Kf1 Kg6 49. Qxa5 Qxg3 50. Qb6+ f6 51. a4 Qf3+ 52. Kg1 e4 53.
Qc6 h4 54. Qe8+ Kg5 55. Qg8+ Kf4 56. Qb8+ Kg4 57. a5 e3 58. Qc8+ 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Gligoric, Svetozar"]
[Black "Duric, Stefan"]
[Result "1-0"]
[WhiteElo "2505"]
[BlackElo "2500"]
[ECO "E42"]
[PlyCount "77"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8.
exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O 11. O-O h6 12. Qd3 b6 13. Rad1 Bb7 14. f3 Rc8
15. Ba2 Rc7 16. Bb1 Rd7 17. Ne4 Re8 18. Nxf6+ Qxf6 19. Qh7+ Kf8 20. Be4 Ne7 21.
d5 Nxd5 22. Bd4 e5 23. Bc3 a5 24. Rfe1 g5 25. b4 Red8 26. Bxd5 Rxd5 27. Bxe5
Rxe5 28. Rxd8+ Ke7 29. Rdd1 axb4 30. axb4 Rxe1+ 31. Rxe1+ Kf8 32. Qd3 Qc6 33.
Qd4 Kg8 34. h3 Ba6 35. Qe5 Bc4 36. Rd1 Be6 37. Kh2 Kh7 38. Rd8 Qc2 39. h4 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Suba, Mihai"]
[Black "Ivanovic, Bozidar"]
[Result "0-1"]
[WhiteElo "2555"]
[BlackElo "2515"]
[ECO "A41"]
[PlyCount "126"]
[Source "Perpetual Check"]

1. c4 d6 2. d4 e5 3. Nc3 Nd7 4. Nf3 g6 5. g3 Bg7 6. Bg2 Nh6 7. O-O O-O 8. Qd2
Nf5 9. e3 Re8 10. Rd1 h5 11. b3 e4 12. Ne1 Nf6 13. h3 c6 14. d5 c5 15. Rb1 Nh6
16. b4 b6 17. bxc5 bxc5 18. Qc2 Bf5 19. Rb3 Qd7 20. Kh2 Nh7 21. Nxe4 Ng5 22. f3
Qe7 23. Bb2 Bxe4 24. fxe4 h4 25. g4 Be5+ 26. Kg1 Bxb2 27. Qxb2 Nxe4 28. Rb7 Qd8
29. Nd3 Ng5 30. Nf4 Re7 31. Rb3 Re8 32. Rb1 Qe7 33. Kh1 Ne4 34. Ne6 Ng3+ 35.
Kg1 fxe6 36. Rb7 Qf8 37. dxe6 Rac8 38. Bd5 Re7 39. Qc2 Kh7 40. Qa4 Rcc7 41. Rb8
Qf6 42. Qd1 Kg7 43. R1b2 Rxe6 44. Rf2 Qe5 45. Bxe6 Qxe6 46. Qa1+ Qe5 47. Qxe5+
dxe5 48. Rfb2 Kf6 49. R8b7 Rc6 50. Rxa7 Rd6 51. Rf2+ Kg5 52. Rg7 Nxg4 53. hxg4
Kxg4 54. Kh2 g5 55. Rg2 Rd3 56. Rb7 Rxe3 57. Rb1 e4 58. Ra1 Ra3 59. Rb2 e3 60.
Rb8 e2 61. Re8 Rd3 62. Re1 Kf3 63. Re5 Kf2 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.29"]
[Round "11"]
[White "Nikolic, Predrag"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2300"]
[ECO "D61"]
[PlyCount "97"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. Qc2 Nbd7 8. e3
b6 9. cxd5 exd5 10. Bb5 Bb7 11. O-O c6 12. Ba4 Rc8 13. Rad1 a5 14. a3 b5 15.
Bb3 b4 16. axb4 axb4 17. Na4 Ba6 18. Rfe1 Ne4 19. Bxe7 Qxe7 20. Nd2 Bb5 21.
Nxe4 dxe4 22. Rc1 Rfd8 23. Nc5 Nxc5 24. Qxc5 Qxc5 25. Rxc5 Rb8 26. h3 g6 27.
Rec1 Rb6 28. Re5 Bd3 29. Re7 Rf8 30. Rc7 Bb5 31. Ra1 Ba6 32. Ra5 Kg7 33. Re5
Rb7 34. Rxc6 Bd3 35. Rec5 Ra8 36. Rc7 Raa7 37. Rxb7 Rxb7 38. Kh2 g5 39. Kg3 Kg6
40. Rc6+ f6 41. h4 gxh4+ 42. Kxh4 Bb5 43. Rc8 Bf1 44. Bd5 Re7 45. g4 Bg2 46.
Rg8+ Kh7 47. Rb8 Bf3 48. Rxb4 Kg6 49. Rb7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "Smejkal, Jan"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2560"]
[BlackElo "2300"]
[ECO "A14"]
[PlyCount "77"]
[Source "Perpetual Check"]

1. c4 e6 2. Nf3 d5 3. b3 Be7 4. Bb2 Nf6 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. e3 c5
9. Nc3 Nbd7 10. Qe2 Rc8 11. d3 Qc7 12. Rad1 a6 13. e4 d4 14. Nb1 b5 15. Nbd2
Nb6 16. Ne1 Nfd7 17. f4 Nb8 18. Bc1 Nc6 19. e5 Rce8 20. Ne4 Kh8 21. Nf3 Nd8 22.
Rf2 f5 23. exf6 gxf6 24. Re1 Nc8 25. Nh4 f5 26. Ng5 Bxg2 27. Kxg2 Bf6 28. Qh5
Qg7 29. Nxf5 Qg6 30. Qxg6 hxg6 31. Nh4 Kg7 32. Nhf3 Re7 33. cxb5 axb5 34. Rc2
Bxg5 35. Nxg5 Rf5 36. Bd2 Rd7 37. Rec1 Rdd5 38. Rxc5 Ne7 39. Rc7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "Ivanovic, Bozidar"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2540"]
[ECO "C92"]
[PlyCount "58"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 Qd7 13. Bc2 Rad8 14. d5 Ne7 15. b3
c6 16. c4 g6 17. Nf1 a5 18. Ne3 Bg7 19. a4 b4 20. dxc6 Qxc6 21. Nd5 Rc8 22. Ra2
Nd7 23. Nh2 Nc5 24. Bg5 Nxd5 25. cxd5 Qc7 26. Ng4 Ba6 27. Qd2 Rf8 28. f3 f6 29.
Be3 Qb7 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "Duric, Stefan"]
[Black "Suba, Mihai"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2555"]
[ECO "A22"]
[PlyCount "91"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 d6 5. Bg2 Nbd7 6. O-O g6 7. b4 Bg7 8. b5 c5
9. d3 h6 10. Bd2 O-O 11. Ne1 Ne8 12. a4 f5 13. a5 Rb8 14. f4 Nc7 15. Kh1 Kh7
16. Ra2 Ne6 17. Nd5 exf4 18. gxf4 Nf6 19. Nxf6+ Qxf6 20. Nc2 Nd4 21. Ne3 Qf7
22. Nd5 Be6 23. Nc3 a6 24. b6 Nc6 25. Nd5 Ne7 26. Nc7 Bd7 27. e3 Bc6 28. Bxc6
Nxc6 29. Qf3 Ne7 30. Be1 Bf6 31. Rg2 Rg8 32. Rfg1 Rg7 33. Rg3 Bh4 34. Rh3 Bxe1
35. Rxh6+ Kg8 36. Rxe1 Rh7 37. Rxh7 Kxh7 38. Rg1 Nc6 39. Nxa6 Ra8 40. Nc7 Rxa5
41. Nb5 Qe6 42. e4 fxe4 43. dxe4 Kg7 44. f5 Qxc4 45. Nxd6 Qc2 46. fxg6 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "Adorjan, Andras"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2505"]
[ECO "D34"]
[PlyCount "31"]
[Source "Perpetual Check"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 d5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Rc1 Bf8 13. Nxc6 bxc6 14. Bd4 Bf5
15. Qd2 Qd6 16. Rfe1 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "De Firmian, Nick"]
[Black "Bjelajac, Milan"]
[Result "1-0"]
[WhiteElo "2520"]
[BlackElo "2405"]
[ECO "C10"]
[PlyCount "99"]
[Source "Perpetual Check"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. exd5 exd5 6. Bb5 Bg4 7. h3 Bxf3 8.
Qxf3 a6 9. Bxc6+ bxc6 10. O-O Be7 11. Re1 O-O 12. Bg5 h6 13. Bh4 Re8 14. Re2
Nh7 15. Rae1 g5 16. Bg3 Qd7 17. Qg4 Qxg4 18. hxg4 Kf8 19. Bxc7 Nf6 20. Rxe7
Rxe7 21. Bd6 Ng8 22. Na4 Ke8 23. Bxe7 Nxe7 24. f3 Rb8 25. b3 Kd8 26. Kf2 a5 27.
Ke3 Kd7 28. Kd3 Kd6 29. Nc5 Ng6 30. g3 Ne7 31. Kc3 Ng8 32. Kd2 Nf6 33. Rh1 Ng8
34. c3 Ra8 35. Re1 Kc7 36. Re5 Rf8 37. c4 dxc4 38. bxc4 Ra8 39. Kc3 a4 40. Rf5
f6 41. Ne4 a3 42. Nxf6 Nxf6 43. Rxf6 Rb8 44. Rf7+ Kd6 45. c5+ Ke6 46. Rc7 Rb2
47. Rxc6+ Kd7 48. Rxh6 Rxa2 49. Ra6 Ra1 50. Kc4 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "Agzamov, Georgy"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2500"]
[ECO "D48"]
[PlyCount "181"]
[Source "Perpetual Check"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
a6 9. e4 c5 10. d5 e5 11. b3 Bd6 12. O-O O-O 13. a4 b4 14. Ne2 Nh5 15. Nd2 Nf4
16. Nc4 Nb6 17. Nxf4 Nxc4 18. Ne6 fxe6 19. Bxc4 Qe7 20. dxe6 Bxe6 21. Bg5 Qd7
22. Qd3 Bxc4 23. Qxc4+ Qf7 24. Rac1 Qxc4 25. Rxc4 Rac8 26. Rfc1 Rc7 27. Be3
Rfc8 28. Rd1 Rc6 29. Kf1 Kf7 30. Ke2 Ke6 31. Rd5 Be7 32. Rd1 Bf8 33. Rd2 Be7
34. Rd5 R6c7 35. Rd1 Rc6 36. Rdc1 R6c7 37. R1c2 Bf8 38. Bg5 Be7 39. Bd2 Bd6 40.
Be1 Rb8 41. Rc1 Rbc8 42. Bd2 Rb8 43. Bg5 Rbc8 44. Rd1 Bf8 45. Bd2 Be7 46. Rdc1
Bd6 47. g3 g6 48. Be3 Be7 49. R1c2 Bf8 50. Bd2 Bd6 51. Rc1 Rb8 52. Be3 Rbc8 53.
Rd1 Rc6 54. Rd5 Be7 55. Kd3 g5 56. Ke2 R6c7 57. Rd1 Rc6 58. Rd2 R6c7 59. Rdc2
Rc6 60. Bd2 Kd7 61. Rc1 R8c7 62. Be1 Rc8 63. Rd1+ Ke6 64. Rd5 R6c7 65. Rd1 Rc6
66. Bd2 R6c7 67. Be3 h5 68. Rd5 Rc6 69. Bd2 h4 70. Be3 R6c7 71. Kf3 Rc6 72. Kg4
R6c7 73. Rd1 Rf8 74. Rd5 Rfc8 75. Rd2 Rf8 76. Rdc2 Rfc8 77. a5 Rb8 78. Bxc5
Rbc8 79. Bxe7 Rxc4 80. bxc4 Kxe7 81. c5 Kd7 82. Kf5 Kc6 83. Kxe5 hxg3 84. hxg3
g4 85. Kd4 Kb5 86. c6 Rd8+ 87. Ke5 Kxa5 88. c7 Rc8 89. Kd6 b3 90. Re2 Kb4 91.
Kd7 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.09.30"]
[Round "12"]
[White "Cebalo, Miso"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2535"]
[ECO "E98"]
[PlyCount "23"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 c5 12. f4 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Tarjan, James Edward"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2560"]
[ECO "D87"]
[PlyCount "23"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8.
Ne2 O-O 9. O-O Nc6 10. Be3 b6 11. dxc5 Qc7 12. Bd4 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Rajkovic, Dusan"]
[Black "Cebalo, Miso"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2475"]
[ECO "E11"]
[PlyCount "27"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8.
Nc3 e5 9. O-O Re8 10. dxe5 dxe5 11. Ng5 h6 12. Nge4 Nxe4 13. Bxe4 c6 14. Rfd1
1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Bjelajac, Milan"]
[Black "Agzamov, Georgy"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2535"]
[ECO "C45"]
[PlyCount "54"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 dxc6 7. Bd3 Be6
8. O-O O-O-O 9. Qe2 Ne7 10. Kh1 g5 11. Qh5 h6 12. f4 Qd4 13. Bd2 gxf4 14. Bc3
Qe3 15. Bd2 Qd4 16. Bc3 Qe3 17. Bd2 Qd4 18. Bc3 Qe3 19. Nd2 Bd4 20. Rae1 Bxc3
21. Rxe3 fxe3 22. bxc3 exd2 23. Rd1 Kb8 24. a4 b6 25. Rxd2 a5 26. Rf2 Ng6 27.
h3 c5 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Gligoric, Svetozar"]
[Black "De Firmian, Nick"]
[Result "0-1"]
[WhiteElo "2505"]
[BlackElo "2520"]
[ECO "D42"]
[PlyCount "72"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Na4
cxd4 9. a3 Be7 10. exd4 d6 11. Nc3 d5 12. Re1 Nc6 13. cxd5 Nxd5 14. Bc2 Nxc3
15. bxc3 Rc8 16. Qd3 g6 17. Bh6 Re8 18. Qe3 Bf6 19. Qf4 Nxd4 20. Nxd4 e5 21.
Qg4 exd4 22. Ba4 Rxe1+ 23. Rxe1 Bg7 24. Re8+ Qxe8 25. Bxe8 Rxe8 26. Bd2 dxc3
27. Qd7 Re6 28. Be3 Bc6 29. Qc8+ Be8 30. h4 h5 31. Qd8 Bf6 32. Qd3 Ba4 33. Qc4
Rxe3 34. Qxa4 Re2 35. Kf1 c2 36. Qf4 Bb2 0-1

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Suba, Mihai"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2535"]
[ECO "A36"]
[PlyCount "30"]
[Source "Perpetual Check"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. e3 Bg7 5. Ne2 e6 6. Nbc3 Nge7 7. d4 cxd4 8.
Nxd4 O-O 9. O-O d5 10. cxd5 Nxd5 11. Nxd5 Nxd4 12. exd4 exd5 13. Qb3 Be6 14.
Be3 Qb6 15. Rfe1 Rfe8 1/2-1/2

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Nikolic, Predrag"]
[Black "Duric, Stefan"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2500"]
[ECO "E64"]
[PlyCount "71"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 d6 7. Bg2 Na6 8. O-O
Nc7 9. e4 Ng4 10. h3 Ne5 11. Nxe5 Bxe5 12. Bh6 Re8 13. Qd2 b5 14. cxb5 Rb8 15.
a4 a6 16. bxa6 Bxa6 17. Rfe1 Rb4 18. Bf4 Bxf4 19. gxf4 Qb8 20. e5 Rd4 21. Qc1
Qb4 22. f5 dxe5 23. Rxe5 Bd3 24. fxg6 hxg6 25. a5 Qb8 26. Ne2 Bxe2 27. Rxe2 Na6
28. Qg5 Qd8 29. h4 Qd7 30. Rae1 Rg4 31. Rxe7 Rxe7 32. Rxe7 Qa4 33. Qf6 Qd1+ 34.
Kh2 Rxg2+ 35. Kxg2 Qxd5+ 36. Kh2 1-0

[Event "10th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1983.09.18"]
[Date "1983.10.02"]
[Round "13"]
[White "Kapelan, Milorad"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2300"]
[BlackElo "2515"]
[ECO "A54"]
[PlyCount "83"]
[Source "Perpetual Check"]

1. Nf3 d6 2. d4 Nd7 3. g3 e5 4. dxe5 dxe5 5. Bg2 Ngf6 6. O-O Bd6 7. c4 O-O 8.
Nc3 Re8 9. Qc2 c6 10. Rd1 Qc7 11. b3 Bf8 12. Bb2 h6 13. Nd2 Nh7 14. a3 Nc5 15.
b4 Ne6 16. Nb3 Neg5 17. c5 f5 18. Nd2 Be6 19. e3 Rad8 20. f4 Nf7 21. Nf3 Nf6
22. Rxd8 Rxd8 23. Re1 Ng4 24. h3 Nf6 25. Ne2 Nd5 26. Nc3 Ne7 27. Ne2 e4 28.
Nfd4 Bc8 29. Nc3 Re8 30. Qe2 g6 31. Qc4 Bg7 32. Bf1 Rd8 33. Rd1 Nd5 34. Nxd5
Rxd5 35. Qb3 Rd8 36. Bc4 Bxd4 37. Bxd4 Qe7 38. Kh2 Re8 39. Bb2 Qf8 40. Rd6 b5
41. Rxg6+ Kh7 42. Bxf7 1-0
