[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Torre, Eugenio"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2555"]
[ECO "B18"]
[PlyCount "26"]
[Source "Perpetual Check"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8.
Qxd3 Ngf6 9. O-O e6 10. Re1 Be7 11. Bg5 O-O 12. Rad1 Nd5 13. Bxe7 Nxe7 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Bukic, Enver"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2475"]
[ECO "D58"]
[PlyCount "32"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. Bd3 c5
9. O-O cxd4 10. Nxd4 Bb7 11. Qe2 Nbd7 12. cxd5 Nxd5 13. Bxe7 Nxc3 14. Bxd8
Nxe2+ 15. Bxe2 Rfxd8 16. Rac1 Rac8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Hernandez Onna, Roman"]
[Black "Makarichev, Sergei"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2515"]
[ECO "A29"]
[PlyCount "44"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Nd4 5. Bg2 Nxf3+ 6. Bxf3 Bb4 7. Qc2 c6 8.
a3 Be7 9. O-O d6 10. Rd1 Qd7 11. d4 Qh3 12. Bg5 Qf5 13. Qxf5 Bxf5 14. dxe5 dxe5
15. b4 Nd7 16. Be3 Nb6 17. b5 Bd7 18. bxc6 bxc6 19. Nb5 cxb5 20. Bxa8 Nxa8 21.
cxb5 Nb6 22. a4 Bd8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Kapelan, Milorad"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2575"]
[ECO "A34"]
[PlyCount "74"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 g6 6. d3 Bg7 7. Bd2 b6 8. Bg2
Bb7 9. O-O O-O 10. Nxd5 Bxd5 11. Bc3 Nc6 12. Qa4 Rc8 13. Rfd1 e5 14. Nd2 Bxg2
15. Kxg2 Qe7 16. Nc4 e4 17. Ne3 exd3 18. Rxd3 Nd4 19. Rad1 Qb7+ 20. f3 b5 21.
Qa5 Rfe8 22. b4 Nc6 23. Qa3 cxb4 24. Bxb4 a5 25. Bd6 b4 26. Qb3 Qb6 27. Ng4 h5
28. Ne3 a4 29. Qc2 Nd4 30. Qxc8 Rxc8 31. Bf4 b3 32. Nd5 Qe6 33. e4 bxa2 34. Be3
Nb3 35. Nf4 Qe8 36. Bd4 Bxd4 37. Rxd4 Nxd4 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Schmidt, Wlodzimierz"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2530"]
[ECO "A07"]
[PlyCount "17"]
[Source "Perpetual Check"]

1. Nf3 d5 2. g3 e6 3. Bg2 b5 4. b3 Nf6 5. O-O c6 6. Bb2 Be7 7. d3 O-O 8. Nbd2
a5 9. a3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Janosevic, Dragoljub"]
[Black "Marjanovic, Slavoljub"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2355"]
[ECO "B87"]
[PlyCount "81"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O
Be7 9. f4 Bb7 10. e5 dxe5 11. fxe5 Bc5 12. Be3 Nc6 13. exf6 Nxd4 14. Qh5 Qc7
15. Rae1 g6 16. Qh3 O-O-O 17. Kh1 h5 18. Bf4 Bd6 19. Bxd6 Rxd6 20. Ne4 Bxe4 21.
Rxe4 Rhd8 22. a4 Qc6 23. Re3 b4 24. Ree1 Kb7 25. Qh4 a5 26. Re5 Nxb3 27. Rb5+
Ka6 28. cxb3 Rd1 29. Qf2 R1d5 30. Qf3 R8d6 31. Rb8 Rf5 32. Qe2+ Ka7 33. Rf8
Rxf1+ 34. Qxf1 Qd7 35. Qf2+ Kb7 36. Qf3+ Kc7 37. Qf4 Kb7 38. h3 Qc7 39. Qf3+
Rd5 40. Re8 Qc1+ 41. Kh2 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Matanovic, Aleksandar"]
[Black "Ivanovic, Bozidar"]
[Result "0-1"]
[WhiteElo "2505"]
[BlackElo "2440"]
[ECO "B74"]
[PlyCount "144"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Bd7 7. Be2 Rc8 8.
Nb3 g6 9. Be3 Bg7 10. O-O O-O 11. Kh1 Qc7 12. Qe1 Qb8 13. Bg1 Rfd8 14. a3 Be8
15. Rd1 Qc7 16. Qg3 Qb8 17. Qe3 Bd7 18. h3 Be6 19. f5 Bd7 20. Bh2 Ne5 21. Nd4
b5 22. Bxe5 dxe5 23. Nb3 Be8 24. fxg6 hxg6 25. Rxd8 Rxd8 26. Qc5 Bf8 27. Rd1
Rxd1+ 28. Bxd1 e6 29. Qf2 Kg7 30. Qe3 Qc7 31. Be2 b4 32. axb4 Bxb4 33. Na2 Be7
34. Nc3 a5 35. Qd3 Qb6 36. Nd1 Bc6 37. Nd2 Qb7 38. Bf3 Bb4 39. c3 Bc5 40. b3
Ba7 41. Kh2 Nd7 42. h4 Qc7 43. Qe2 Qd8 44. g3 Qb6 45. Kh3 Nc5 46. Nb2 Bb5 47.
Qe1 Ba6 48. Qd1 Qb8 49. Kg2 Qb5 50. Nbc4 Bb8 51. Qc2 Bc7 52. Nb2 f5 53. c4 Qd7
54. Qc3 Kf7 55. Qe3 Bb6 56. Qh6 Qd4 57. exf5 gxf5 58. Na4 Nxa4 59. Bc6 e4 60.
Qh5+ Kg7 61. Qg5+ Kf8 62. Kh3 Nc5 63. Qg6 Bd8 64. h5 Qf6 65. Qe8+ Kg7 66. Nf1
Bb7 67. Bxb7 Nxb7 68. Qc6 Qe7 69. Ne3 Nd6 70. Ng2 Qc7 71. Qa6 Qb6 72. Qa8 Nf7
0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.14"]
[Round "1"]
[White "Knezevic, Milorad"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2500"]
[ECO "D37"]
[PlyCount "103"]
[Source "Perpetual Check"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 c6 6. e3 Nbd7 7. Nd2 Nf8 8. Bd3
Ng6 9. Bg3 O-O 10. O-O Ne8 11. c5 f5 12. b4 Nf6 13. f3 Nh5 14. f4 Nf6 15. Rb1
Ng4 16. Qe2 Bh4 17. Bxh4 Nxh4 18. Nf3 Bd7 19. h3 Nxf3+ 20. Qxf3 Nf6 21. Nd1 b5
22. Nc3 a5 23. a4 axb4 24. Rxb4 bxa4 25. Nxa4 Be8 26. Rfb1 Bh5 27. Qf2 Nd7 28.
Qf1 Ra7 29. Bc2 Qa8 30. Qc1 Be2 31. Nb6 Qd8 32. Ba4 Qc7 33. Qb2 Bh5 34. Qc2 Nf6
35. Qb2 h6 36. Bc2 Rd8 37. Na4 Nd7 38. Rb7 Rxb7 39. Qxb7 Rc8 40. Bd3 Qxb7 41.
Rxb7 Be8 42. Nb6 Rd8 43. Rc7 Nb8 44. Kf2 Kf8 45. g4 g6 46. g5 hxg5 47. fxg5 e5
48. dxe5 Bd7 49. h4 Ke7 50. Kg3 Rh8 51. Rb7 Ke6 52. h5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Quinteros, Miguel Angel"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2555"]
[ECO "D78"]
[PlyCount "65"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. g3 g6 3. d4 Bg7 4. c4 c6 5. Bg2 d5 6. Qa4 O-O 7. O-O Ne4 8. Nc3
Nxc3 9. bxc3 Nd7 10. cxd5 cxd5 11. Qb3 Nb6 12. Ne5 f6 13. Nd3 Kh8 14. Nf4 e6
15. e4 g5 16. Nh5 Bh6 17. f4 Bd7 18. fxg5 Ba4 19. Qb2 fxg5 20. e5 Rxf1+ 21.
Bxf1 Bf8 22. Nf6 h6 23. Qg2 Qc7 24. Qf3 Rc8 25. Bd2 Qf7 26. Bh3 Nc4 27. Bxg5
Bc2 28. Bf4 Bg7 29. Nxd5 Bg6 30. Qe2 b5 31. Rf1 Qe8 32. Nf6 Qe7 33. Bc1 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Ivanovic, Bozidar"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2500"]
[ECO "B15"]
[PlyCount "30"]
[Source "Perpetual Check"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Ne2 Qc7
8. Ng3 O-O 9. O-O c5 10. dxc5 Bxc5 11. Bd3 Nd7 12. Qh5 g6 13. Qh4 Re8 14. Bh6
Qe5 15. c3 Bf8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Marjanovic, Slavoljub"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2505"]
[ECO "E12"]
[PlyCount "23"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. e3 Be7 7. b4 a5 8. b5 Nbd7
9. Bb2 Bd6 10. cxd5 exd5 11. Qb3 O-O 12. g3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Kurajica, Bojan"]
[Black "Janosevic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2435"]
[ECO "B47"]
[PlyCount "106"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. g3 a6 7. Bg2 Nf6 8. O-O
h6 9. Nce2 Nxd4 10. Nxd4 Bc5 11. c3 d6 12. Kh1 O-O 13. f4 d5 14. e5 Ne4 15. Be3
Bd7 16. Qh5 f5 17. exf6 Nxf6 18. Qh4 Rae8 19. Rae1 Ne4 20. Qh5 Bxd4 21. Bxd4
Bb5 22. Rf3 Rf5 23. Qh4 Qf7 24. Bh3 Rh5 25. Qg4 Rxh3 26. Qxh3 e5 27. Bf2 Ng5
28. fxg5 Qxf3+ 29. Qg2 Qf7 30. Kg1 d4 31. g6 Qd7 32. cxd4 Bc6 33. d5 Bxd5 34.
Rd1 Rd8 35. Qf1 Qe8 36. Bb6 Rd6 37. Qd3 Qxg6 38. Qxg6 Rxg6 39. Bc7 Bxa2 40.
Bxe5 Re6 41. Rd8+ Kh7 42. Bc3 Re7 43. Kf2 Bc4 44. g4 Bb5 45. h4 Bd7 46. Kg3
Re3+ 47. Kf2 Rd3 48. Ke2 Rxc3 49. bxc3 Bxg4+ 50. Ke3 Bh3 51. Kf2 Bf5 52. Ke3
Bh3 53. Kf2 Be6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Smejkal, Jan"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2490"]
[ECO "D75"]
[PlyCount "53"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. O-O O-O 6. d4 cxd4 7. Nxd4 d5 8.
cxd5 Nxd5 9. Nc3 Nxc3 10. bxc3 Nc6 11. Nxc6 bxc6 12. Qxd8 Rxd8 13. Bxc6 Bh3 14.
Bxa8 Bxf1 15. Kxf1 Bxc3 16. Rb1 Rxa8 17. Rb7 e6 18. Bh6 a6 19. e4 Rc8 20. Ra7
a5 21. Ke2 f5 22. Kd3 Bb4 23. Rg7+ Kh8 24. Rd7 Kg8 25. Rg7+ Kh8 26. Rb7 Kg8 27.
Rg7+ 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Makarichev, Sergei"]
[Black "Kapelan, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2340"]
[ECO "A18"]
[PlyCount "34"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Be7 5. Nf3 c5 6. Be2 O-O 7. O-O b6 8. d5 e5
9. Ne1 Ne8 10. Bg4 Nd7 11. g3 g6 12. Bh6 Ng7 13. Qd2 f5 14. exf5 gxf5 15. Bh3
Nf6 16. f4 e4 17. Ng2 Qe8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Marovic, Drazen"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2435"]
[ECO "B38"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 Bg7 7. Be3 O-O 8.
Be2 b6 9. O-O Bb7 10. f3 Ne8 11. Qd2 Nd6 12. Rad1 Rc8 13. b3 f5 14. exf5 gxf5
15. f4 Ne4 16. Nxe4 fxe4 17. Nb5 d6 18. Bg4 Rb8 19. Be6+ Kh8 20. Bd5 a6 21. Nc3
e6 22. Bxe4 Qf6 23. Ne2 d5 24. cxd5 exd5 25. Bf3 Rfe8 26. Bxb6 d4 27. Bc7 Rbc8
28. Be5 Nxe5 29. fxe5 Qb6 30. Qxd4 Qxd4+ 31. Nxd4 Bxf3 32. Nxf3 Bxe5 33. Nxe5
Rxe5 34. Rd2 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.15"]
[Round "2"]
[White "Torre, Eugenio"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2490"]
[ECO "D41"]
[PlyCount "22"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 Nc6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4
O-O 9. e4 Nxc3 10. bxc3 Bf6 11. Be3 Qa5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Bukic, Enver"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2555"]
[ECO "E97"]
[PlyCount "92"]
[Source "Perpetual Check"]

1. Nf3 g6 2. d4 Bg7 3. c4 Nf6 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. Be3 Ng4 8. Bg5
f6 9. Bc1 Nc6 10. O-O f5 11. dxe5 dxe5 12. Qxd8 Rxd8 13. Bg5 Rf8 14. Rad1 h6
15. Bc1 Nf6 16. Nh4 Kh7 17. exf5 gxf5 18. f3 Kg8 19. Bd3 Nd4 20. Rde1 Re8 21.
Ne2 Nxe2+ 22. Rxe2 e4 23. Bc2 Bd7 24. fxe4 Nxe4 25. Nxf5 Bxf5 26. Rxf5 Ng3 27.
Rxe8+ Rxe8 28. hxg3 Re1+ 29. Kh2 Rxc1 30. Bb3 Bxb2 31. c5+ Kg7 32. Rf7+ Kg6 33.
Rxc7 Bd4 34. Rxb7 Bxc5 35. g4 Bd6+ 36. g3 Rc3 37. Rxa7 Bxg3+ 38. Kg2 Bf4 39.
Ra5 Rg3+ 40. Kf2 Rxg4 41. Kf3 Rh4 42. Bc2+ Kg7 43. a4 Bg5 44. Rc5 Rh3+ 45. Kg4
Ra3 46. Kf5 Rf3+ 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Hernandez Onna, Roman"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2550"]
[ECO "E76"]
[PlyCount "55"]
[Source "Perpetual Check"]

1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 O-O 7. f4 e6 8. dxe6
fxe6 9. Nge2 Nc6 10. O-O Nd4 11. Ng3 Nd7 12. Qg4 a6 13. Be3 b6 14. Kh1 Qe7 15.
a4 Bb7 16. Rae1 Rae8 17. h4 Kh8 18. h5 g5 19. fxg5 Ne5 20. Qd1 Kg8 21. Kg1
Rxf1+ 22. Rxf1 Rf8 23. h6 Bh8 24. Nh5 Bc6 25. Bf4 Be8 26. Be2 Bg6 27. Be3 Rxf1+
28. Bxf1 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Kapelan, Milorad"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2475"]
[ECO "B37"]
[PlyCount "29"]
[Source "Perpetual Check"]

1. Nf3 g6 2. c4 Bg7 3. d4 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. Nb3 d6 7. e4 Nf6 8. Be2
a5 9. Be3 a4 10. Nd4 Qa5 11. O-O a3 12. Nb3 Qb4 13. Bc1 O-O 14. Qc2 axb2 15.
Bxb2 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Schmidt, Wlodzimierz"]
[Black "Makarichev, Sergei"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2515"]
[ECO "A30"]
[PlyCount "30"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3
O-O 9. Qh4 d6 10. Rd1 Nbd7 11. Bh6 Rc8 12. Bxg7 Kxg7 13. Rac1 Qc7 14. b3 Qc5
15. Qf4 a6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Janosevic, Dragoljub"]
[Black "Smejkal, Jan"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2575"]
[ECO "C67"]
[PlyCount "74"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5
8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Bg4 11. Rxd4 Bxe2 12. Nc3 Bh5 13. Bg5 h6 14.
Bh4 Bc5 15. Rd2 g5 16. Ne4 Be7 17. Bg3 Rd8 18. Re1 Rxd2 19. Nxd2 Kd7 20. Nb3 c5
21. f4 Ke6 22. Na5 Rb8 23. Nc4 Rd8 24. Ne3 Bg6 25. Rf1 gxf4 26. Bxf4 h5 27. g3
b5 28. c4 c6 29. b3 Be4 30. Rf2 a5 31. Re2 Bg6 32. Kf2 a4 33. Bh6 Rd3 34. Ng2
Kf5 35. Nf4 Rc3 36. cxb5 axb3 37. axb3 {time} 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Matanovic, Aleksandar"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2530"]
[ECO "B85"]
[PlyCount "42"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Be2 Nf6 6. Nc3 e6 7. O-O a6 8.
Kh1 d6 9. f4 Be7 10. Be3 Bd7 11. a4 O-O 12. Qe1 Rfe8 13. Qg3 d5 14. e5 Ne4 15.
Nxe4 dxe4 16. c3 Nxd4 17. Bxd4 b5 18. axb5 axb5 19. Qe3 Qb7 20. h3 Bc6 21. Kh2
h6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Knezevic, Milorad"]
[Black "Marjanovic, Slavoljub"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2355"]
[ECO "A05"]
[PlyCount "62"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. d3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. e4 e5 7. a4 h6 8. Re1 Nc6
9. c3 Re8 10. Na3 Bd7 11. h3 a6 12. d4 exd4 13. Nxd4 Re7 14. f3 d5 15. Nxc6
Bxc6 16. e5 Qe8 17. f4 Bxa4 18. Nc2 Bxc2 19. Qxc2 c6 20. Be3 Nd7 21. c4 dxc4
22. Qxc4 Kh7 23. Rad1 f6 24. Rd6 fxe5 25. Rxg6 Kxg6 26. Be4+ Kf6 27. Rd1 Bf8
28. Bc2 Kg7 29. Rd6 Kh8 30. Qe4 Rf7 31. Rg6 Rd8 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.16"]
[Round "3"]
[White "Nikolin, Dusko"]
[Black "Ivanovic, Bozidar"]
[Result "0-1"]
[BlackElo "2440"]
[ECO "B58"]
[PlyCount "69"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nf3 h6 8. O-O
Be7 9. Be3 O-O 10. Qd2 Be6 11. Rad1 a6 12. Ne1 Rc8 13. f3 Nd4 14. Bxd4 exd4 15.
Qxd4 d5 16. Nd3 dxe4 17. Qxd8 Rfxd8 18. fxe4 b5 19. a4 b4 20. Nd5 Bxd5 21. exd5
Rxc2 22. Bf3 Nxd5 23. Rfe1 Kf8 24. Ne5 Nf6 25. Nd3 g5 26. h3 Rd4 27. a5 h5 28.
Bb7 g4 29. hxg4 Nxg4 30. Bxa6 h4 31. Rc1 b3 32. Bb5 Bd6 33. a6 Rxd3 34. Bxd3
Bc5+ 35. Kh1 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Quinteros, Miguel Angel"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2440"]
[ECO "A42"]
[PlyCount "74"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 d6 3. Nf3 Nd7 4. d4 g6 5. e4 Bg7 6. Be2 a5 7. Be3 Ngf6 8. h3
O-O 9. O-O exd4 10. Nxd4 Re8 11. Qc2 Nc5 12. Bf3 Bd7 13. Rfe1 h6 14. Nb3 Nxb3
15. Qxb3 Bc6 16. Qc2 Nd7 17. Nd5 b6 18. Rad1 Nc5 19. b3 Kh7 20. Re2 Bb7 21. g3
c6 22. Nf4 Qe7 23. Bg2 Qc7 24. f3 Rad8 25. Red2 Bc8 26. g4 f5 27. gxf5 gxf5 28.
exf5 Rxe3 29. f6+ Kg8 30. fxg7 d5 31. Rd4 Qxg7 32. cxd5 cxd5 33. Nxd5 Ree8 34.
Ne7+ Qxe7 35. Qg6+ Kh8 36. Qxh6+ Kg8 37. Qg6+ Kh8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Marjanovic, Slavoljub"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2355"]
[ECO "C41"]
[PlyCount "87"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Nc3 c6 5. a4 Be7 6. Bc4 h6 7. a5 Ngf6 8. Qe2
Qc7 9. O-O g5 10. Rd1 Nf8 11. dxe5 dxe5 12. h4 g4 13. Nh2 Ng6 14. g3 Bb4 15. a6
b6 16. Nb1 Qe7 17. c3 Bd6 18. b4 Bc7 19. b5 c5 20. Nd2 Nxh4 21. gxh4 Nh5 22.
Ndf1 Qxh4 23. Bd5 Nf4 24. Qe3 Rg8 25. Ra2 Rb8 26. Rad2 Kf8 27. Bc4 Rg6 28. Ba3
Kg8 29. Qg3 Qg5 30. Kh1 h5 31. Rd7 Bxd7 32. Rxd7 Rf6 33. Nf3 Qg6 34. Rxc7 Qxe4
35. N1d2 Qf5 36. Rxa7 Ng6 37. Rb7 Ra8 38. a7 Kg7 39. Nh2 Qxf2 40. Qxf2 Rxf2 41.
Ne4 Rf4 42. Bd5 Rd8 43. c4 Nh4 44. Ng3 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Kurajica, Bojan"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2500"]
[ECO "B13"]
[PlyCount "34"]
[Source "Perpetual Check"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Nc6 5. Bd3 Nf6 6. Bf4 Bg4 7. Qb3 Na5 8.
Qa4+ Bd7 9. Qc2 a6 10. Nf3 e6 11. O-O Be7 12. Ne5 Bb5 13. Nd2 Bxd3 14. Qxd3 Rc8
15. Rfe1 Nc6 16. h3 O-O 17. Nxc6 Rxc6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Smejkal, Jan"]
[Black "Matanovic, Aleksandar"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2505"]
[ECO "A17"]
[PlyCount "73"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 O-O 5. b3 b6 6. Bb2 Bb7 7. e3 d5 8. Be2
Nbd7 9. O-O a6 10. Rfd1 Qe7 11. a3 Bd6 12. d4 Rfc8 13. b4 c5 14. bxc5 bxc5 15.
cxd5 exd5 16. dxc5 Nxc5 17. Qf5 Nb3 18. Rab1 Bc6 19. Bxa6 Rcb8 20. Bf1 Bxa3 21.
Ne5 Be8 22. Bxa3 Qxa3 23. Nxd5 Nxd5 24. Rxd5 Nc1 25. Rxb8 Rxb8 26. h3 Qc3 27.
Bc4 Qe1+ 28. Kh2 Ne2 29. Nf3 Qxf2 30. Qe5 Rc8 31. Rc5 Rd8 32. Rd5 Rc8 33. Rc5
Rd8 34. Qc7 Rd7 35. Qe5 Kf8 36. Rc8 Re7 37. Qc5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Makarichev, Sergei"]
[Black "Janosevic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2435"]
[ECO "B30"]
[PlyCount "91"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. O-O Nc7 6. Bxc6 dxc6 7. h3 h6 8. d3
g5 9. Nh2 Be6 10. Nd2 Qd7 11. Re1 O-O-O 12. Qh5 Bg7 13. a4 Nd5 14. Nc4 Rhg8 15.
Bd2 f5 16. Qe2 f4 17. a5 Qe8 18. Ng4 Bf8 19. f3 h5 20. Nf2 Qg6 21. Rab1 Bh6 22.
Qe4 Qg7 23. Qe2 Rdf8 24. Rf1 g4 25. fxg4 f3 26. gxf3 Bxd2 27. Nxd2 Nf4 28. Qe3
Nxh3+ 29. Nxh3 hxg4 30. Ng5 gxf3 31. Rxf3 Qxg5+ 32. Qxg5 Rxg5+ 33. Kf2 Rfg8 34.
c4 Rh8 35. Ne4 Rxe5 36. b3 Bf5 37. Ke3 Rd8 38. Re1 Bxe4 39. dxe4 Rd4 40. Rf4
Rh5 41. Ref1 Rh3+ 42. R1f3 Rh1 43. Rf1 Rd1 44. Rf8+ Kc7 45. Rxd1 Rxd1 46. Re8
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Marovic, Drazen"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2490"]
[ECO "E64"]
[PlyCount "123"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. Nc3 O-O 7. Nf3 Na6 8. O-O
Nc7 9. a4 Rb8 10. Bf4 b6 11. e4 a6 12. e5 Nh5 13. Be3 dxe5 14. a5 b5 15. Bxc5
bxc4 16. Nd2 Rxb2 17. Nxc4 Rb8 18. d6 exd6 19. Bxd6 e4 20. Bxf8 Qxf8 21. Rc1 f5
22. Nb6 Be5 23. Ncd5 Qf7 24. Nxc7 Bxc7 25. Nxc8 Rxc8 26. Qc2 Nf6 27. Rfd1 Rd8
28. Rxd8+ Bxd8 29. Qc8 Qd5 30. Bf1 Kg7 31. Qc5 Qd2 32. Rb1 Kh6 33. Bxa6 Ng4 34.
Qc1 Qxc1+ 35. Rxc1 Bxa5 36. h3 Nf6 37. Kg2 Kg7 38. Rc5 Bb4 39. Rc7+ Kh6 40. Bc4
Bc3 41. Be6 Bd4 42. Rc4 Be5 43. Bc8 Bb8 44. g4 fxg4 45. Bxg4 Kg5 46. Bc8 Be5
47. Bb7 Kf5 48. Kf1 Bb8 49. Ke2 Ke5 50. Ra4 Bc7 51. Rb4 Bd6 52. Rc4 Bb8 53.
Rc5+ Kf4 54. Rc8 Ba7 55. Ra8 Bd4 56. Ra4 Ke5 57. Ra5+ Kf4 58. Rb5 Ba7 59. Ra5
Bd4 60. Ra6 Ke5 61. Bc8 Kf4 62. Ra5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Torre, Eugenio"]
[Black "Kapelan, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2340"]
[ECO "B67"]
[PlyCount "54"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. Qe1 Be7 10. f4 Qc7 11. Nf3 O-O-O 12. Kb1 h6 13. Bh4 Nh5 14. Bxe7
Nxe7 15. e5 Bc6 16. exd6 Rxd6 17. Rxd6 Qxd6 18. Ne5 Rf8 19. Qf2 g5 20. Nxc6
Nxc6 21. fxg5 hxg5 22. Bxa6 bxa6 23. Qe2 Nf4 24. Qxa6+ Kb8 25. Qb6+ Kc8 26.
Qa6+ Kb8 27. Qb6+ Kc8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.17"]
[Round "4"]
[White "Bukic, Enver"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2435"]
[ECO "A30"]
[PlyCount "38"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. Nc3 Be7 7. d4 cxd4 8. Qxd4
d6 9. Rd1 a6 10. b3 Nbd7 11. Bb2 O-O 12. e4 Qc7 13. Qe3 Rac8 14. h3 Rfe8 15.
Rac1 Qb8 16. Nd4 Bf8 17. Re1 g6 18. Rcd1 Qa8 19. Re2 Nc5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Hernandez Onna, Roman"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2555"]
[ECO "E97"]
[PlyCount "60"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5
Ne7 9. Nd2 c5 10. a3 Ne8 11. b4 b6 12. bxc5 bxc5 13. Nb3 f5 14. Bd2 Kh8 15. a4
Nf6 16. exf5 gxf5 17. Nb5 Qd7 18. f4 Ne4 19. Ba5 Ng6 20. Nc7 Rb8 21. Ne6 Rg8
22. fxe5 Bxe5 23. Bf3 Qe7 24. Bxe4 fxe4 25. Ra2 Bxe6 26. dxe6 Qxe6 27. Re2 Qxc4
28. Nd2 Qd4+ 29. Kh1 d5 30. Qe1 Rgf8 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Kapelan, Milorad"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2490"]
[ECO "B38"]
[PlyCount "35"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2
Bd7 9. O-O O-O 10. Rc1 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15.
Qd2 Kh8 16. Nd5 f5 17. Bg5 Rf7 18. Bd3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Schmidt, Wlodzimierz"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2550"]
[ECO "E62"]
[PlyCount "55"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 c6 7. O-O Bf5 8. Nh4
Bd7 9. e4 e5 10. Nf3 Re8 11. h3 Na6 12. Re1 Nc7 13. Be3 b6 14. a4 Qb8 15. Rb1
c5 16. d5 Na6 17. Rf1 Nb4 18. Ne1 Rf8 19. Nd3 Ne8 20. Kh2 Qd8 21. Ra1 a5 22.
Qd2 Nc7 23. Rae1 Qe7 24. b3 Rae8 25. Nc1 Bc8 26. Nd3 Qd8 27. Nb2 Bd7 28. Nd3
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Janosevic, Dragoljub"]
[Black "Marovic, Drazen"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2475"]
[ECO "C17"]
[PlyCount "64"]
[Source "Perpetual Check"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 O-O 8. f4
a6 9. Nd6 cxd4 10. Nf3 Nbc6 11. Bd3 f6 12. O-O fxe5 13. fxe5 Rxf3 14. Rxf3 Nxe5
15. Rh3 Qxd6 16. Bxh7+ Kf8 17. Rf1+ Ke8 18. Qg5 Kd8 19. Qxg7 Kc7 20. c3 dxc3
21. Rxc3+ Kb6 22. Rf7 N7c6 23. Rb3+ Ka5 24. Rf2 b5 25. h4 Ra7 26. Qg8 Rc7 27.
h5 Qe7 28. Bd3 Qh4 29. Be2 Nd4 30. Rc3 Rxc3 31. bxc3 Nxe2+ 32. Rxe2 Ng4 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Matanovic, Aleksandar"]
[Black "Makarichev, Sergei"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2515"]
[ECO "C42"]
[PlyCount "41"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 d5 7. O-O Nc6 8.
Re1 Bg4 9. c4 Nf6 10. cxd5 Nxd5 11. Nc3 O-O 12. Be4 Be6 13. Qc2 h6 14. Bf5 Ncb4
15. Qb1 Bxf5 16. Qxf5 Nf6 17. Bf4 Bd6 18. Be5 Qd7 19. Qxd7 Nxd7 20. Rad1 Nb6
21. Bxd6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Knezevic, Milorad"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2575"]
[ECO "D95"]
[PlyCount "43"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 e6 6. Nf3 O-O 7. Bd2 b6 8. cxd5
exd5 9. Be2 Bb7 10. O-O Nbd7 11. Rfd1 Re8 12. Be1 c6 13. a4 a5 14. Qc2 Qe7 15.
Na2 Ne4 16. Rab1 Qe6 17. b4 axb4 18. Nxb4 c5 19. dxc5 bxc5 20. Nd3 Bc6 21. Nf4
Qd6 22. Bb5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Nikolin, Dusko"]
[Black "Kurajica, Bojan"]
[Result "0-1"]
[BlackElo "2530"]
[ECO "B85"]
[PlyCount "92"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. a4 Nc6 8. Be3
Be7 9. O-O O-O 10. Kh1 Bd7 11. f4 Rc8 12. Qe1 Na5 13. e5 Ne8 14. Ne4 Qc7 15.
Qg3 g6 16. h4 Nc4 17. Bxc4 Qxc4 18. h5 Qd5 19. Ng5 Ng7 20. hxg6 fxg6 21. Rad1
Bxg5 22. Qxg5 Bxa4 23. b3 Be8 24. c4 Qe4 25. Rfe1 h6 26. Qxh6 b5 27. Bc1 Qb7
28. cxb5 Nf5 29. bxa6 Qb4 30. Qg5 Nxd4 31. Re4 Rf5 32. Qe7 Rh5+ 33. Kg1 Rh7 34.
Qf6 Qb6 35. Be3 Qxb3 36. Rd2 Qb1+ 37. Kf2 Qxe4 38. Bxd4 Qf5 39. Qxf5 gxf5 40.
exd6 Ra8 41. a7 Rhxa7 42. Bxa7 Rxa7 43. Ke3 Kf7 44. Rc2 Ra3+ 45. Kd4 Ra4+ 46.
Kc5 Ra6 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.18"]
[Round "5"]
[White "Ivanovic, Bozidar"]
[Black "Marjanovic, Slavoljub"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2355"]
[ECO "B90"]
[PlyCount "156"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4
Be6 9. Bd3 h6 10. O-O Be7 11. a5 Nbd7 12. Re1 O-O 13. Bf1 Rac8 14. h3 Qc6 15.
Bd2 Rfd8 16. g3 d5 17. exd5 Nxd5 18. Bg2 Bf6 19. Ra3 b5 20. axb6 N7xb6 21. Qa1
Nb4 22. Qc1 Qd7 23. Rd1 Qe7 24. Ne4 Nxc2 25. Rc3 Nd4 26. Nxd4 exd4 27. Rxc8
Rxc8 28. Qa1 Nc4 29. Bf4 g5 30. Bc1 a5 31. b3 Ne5 32. Ba3 Qd8 33. Nxf6+ Qxf6
34. Qxd4 Bxh3 35. f4 gxf4 36. Bb2 Bxg2 37. Qxe5 Qxe5 38. Bxe5 Bf3 39. Rf1 Bd5
40. Rxf4 Bxb3 41. Rg4+ Kf8 42. Rh4 Rc6 43. Bf4 Kg7 44. Rg4+ Kf8 45. Rh4 Kg7 46.
Rg4+ Rg6 47. Rh4 a4 48. Be5+ Kg8 49. Rb4 Re6 50. Bd4 Kh7 51. Kf2 Bd1 52. Rb7
Re2+ 53. Kf1 Kg6 54. Rb6+ Kh7 55. Rb7 Kg6 56. Rb6+ Kh5 57. Rd6 Re6 58. Bc5 Bb3
59. Kf2 Re5 60. Be3 Rf5+ 61. Bf4 Rxf4+ 62. gxf4 a3 63. Ra6 a2 64. Kg3 Bc4 65.
Ra5+ Kg6 66. Kf2 h5 67. Ke3 h4 68. Kf3 Kf6 69. f5 Kg5 70. Kg2 Kf4 71. Kh3 Ke4
72. Kxh4 Kd4 73. Kg5 Kc3 74. Ra7 Kb2 75. Rb7+ Bb3 76. Kf6 a1=Q 77. Rxb3+ Kxb3+
78. Kxf7 Qa7+ 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Quinteros, Miguel Angel"]
[Black "Marjanovic, Slavoljub"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2355"]
[ECO "A08"]
[PlyCount "85"]
[Source "Perpetual Check"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O Nf6 5. d3 h6 6. c3 Bf5 7. Nbd2 e6 8. a3
Be7 9. b4 O-O 10. bxc5 Bxc5 11. Nb3 Bd6 12. Nfd4 Bh7 13. a4 e5 14. Nb5 Be7 15.
Ba3 a6 16. Bxe7 Qxe7 17. Na3 Rac8 18. Bh3 Rc7 19. Qd2 e4 20. d4 e3 21. Qxe3
Qxe3 22. fxe3 Re8 23. Ra2 Rxe3 24. Rf3 Rce7 25. Bc8 Rxf3 26. exf3 Na7 27. Bh3
Re3 28. Kf2 Rxc3 29. Rb2 Nc6 30. Bf1 g5 31. h3 Bd3 32. Bxd3 Rxd3 33. Nc2 Rc3
34. Nc5 Nxd4 35. Nxd4 Rxc5 36. Rb6 Rc4 37. Nf5 Nd7 38. Rxb7 Nc5 39. Ra7 d4 40.
Nxh6+ Kg7 41. Nxf7 Rc2+ 42. Ke1 Kf6 43. Nd6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Kurajica, Bojan"]
[Black "Ivanovic, Bozidar"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2440"]
[ECO "B33"]
[PlyCount "106"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. f3 d5 12. exd5 Nexd5 13. c4 bxc4 14. Nxc4
O-O 15. Qd2 Re8 16. Be2 Ra7 17. Qa5 Qe7 18. Qxd5 Nxd5 19. Bxe7 Rexe7 20. Rd1
Rad7 21. Kf2 g6 22. g3 Kg7 23. Rc1 Bb7 24. Rhd1 Ba8 25. a3 h5 26. h4 e4 27. Rd4
f5 28. Rcd1 e3+ 29. Ke1 Bc6 30. Na5 Ba8 31. b4 Kf6 32. Nb3 f4 33. gxf4 Rc7 34.
Rxd5 Bxd5 35. Rxd5 Rc3 36. Rd3 Rc2 37. Rd6+ Kf7 38. Nc5 Rb2 39. Kd1 a5 40. bxa5
Rc7 41. Rd7+ Rxd7+ 42. Nxd7 Rd2+ 43. Ke1 Rxd7 44. Bb5 Rc7 45. a4 Ke6 46. Ke2
Kf5 47. Kxe3 Re7+ 48. Kd4 Kxf4 49. a6 g5 50. hxg5 h4 51. Bf1 Kg3 52. f4 h3 53.
Bxh3 Kxh3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Smejkal, Jan"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2575"]
[ECO "E16"]
[PlyCount "81"]
[Source "Perpetual Check"]

1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. d4 Nf6 6. O-O dxc4 7. Qa4+ Nbd7 8.
Qxc4 Bd6 9. Nc3 a6 10. Rd1 Qe7 11. Bg5 O-O 12. e4 e5 13. Nh4 Qe6 14. d5 Qg4 15.
Be3 b5 16. Qf1 Nc5 17. Bh3 Qh5 18. f3 g5 19. Nf5 Ncd7 20. Rac1 Kh8 21. Ne2 g4
22. fxg4 Nxg4 23. Bxg4 Qxg4 24. Nxd6 cxd6 25. Rc7 Qxe4 26. Bh6 Bxd5 27. Rxd5
Qxd5 28. Rxd7 Qe6 29. Bxf8 Rxf8 30. Rc7 f5 31. Qc1 f4 32. Qc2 Qh3 33. Nxf4 Qh6
34. Ng2 d5 35. Rc8 Qb6+ 36. Kh1 Qf6 37. h3 Rd8 38. Rxd8+ Qxd8 39. Qf5 Qe7 40.
Ne3 Qc7 41. Qf8# 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Makarichev, Sergei"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2500"]
[ECO "C55"]
[PlyCount "25"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Bb3 Nf6 5. d3 O-O 6. O-O d6 7. c3 Nd7 8. Be3
Nf6 9. h3 d5 10. Ba4 Bd6 11. Nbd2 h6 12. Qc2 Ne7 13. d4 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Marovic, Drazen"]
[Black "Matanovic, Aleksandar"]
[Result "0-1"]
[WhiteElo "2475"]
[BlackElo "2505"]
[ECO "E12"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8.
Nxe4 Bxe4 9. Bd3 Bxd3 10. Qxd3 Qb4+ 11. Nd2 Qxb2 12. O-O Qb4 13. a4 Qe7 14. a5
Nc6 15. axb6 cxb6 16. d5 Nb4 17. Qd4 O-O 18. Ra4 e5 19. Qc3 a5 20. e4 Rac8 21.
Rb1 d6 22. Raxb4 axb4 23. Rxb4 Qa7 24. Qb2 Rb8 25. Nb1 Ra8 26. g3 Rfb8 27. Kg2
Qa1 28. Qb3 Qd4 29. Nc3 Qd3 30. Qb2 h5 31. h4 Ra6 32. Nb5 Qxe4+ 33. Kh2 Qe1 34.
Nc3 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Torre, Eugenio"]
[Black "Janosevic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2435"]
[ECO "B85"]
[PlyCount "48"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. O-O Nf6 8.
Kh1 Be7 9. f4 d6 10. Be3 O-O 11. Qe1 Bd7 12. Qg3 Nxd4 13. Bxd4 Bc6 14. e5 Ne8
15. Bd3 dxe5 16. fxe5 f5 17. a4 g6 18. a5 Ng7 19. Bb6 Qc8 20. Be2 g5 21. Bf3 g4
22. Bxc6 Qxc6 23. Qf4 Bc5 24. Rad1 Rac8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Bukic, Enver"]
[Black "Schmidt, Wlodzimierz"]
[Result "1-0"]
[WhiteElo "2490"]
[BlackElo "2490"]
[ECO "A34"]
[PlyCount "83"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. Qa4 Bd7 8.
Qe4 g6 9. Ne5 Bg7 10. Nxd7 Qxd7 11. O-O Ne6 12. a3 Rc8 13. b4 O-O 14. Rb1 b6
15. Nd5 Ne5 16. Bb2 f5 17. Qe3 Nd4 18. Bxd4 cxd4 19. Qb3 Kh8 20. Rbc1 b5 21.
Nf4 Nc4 22. Rc2 e5 23. Nd3 Bh6 24. Qa2 Qe7 25. Nc5 Nb6 26. Rfc1 e4 27. Rf1 Rfd8
28. d3 Na4 29. Nxa4 bxa4 30. Rxc8 Rxc8 31. dxe4 fxe4 32. Qd5 Bg7 33. Bxe4 Bf6
34. Bd3 Rc3 35. Ra1 Qc7 36. Kg2 Kg7 37. h4 Rb3 38. h5 gxh5 39. Qf5 Qc6+ 40. Be4
Qe8 41. Qxh7+ Kf8 42. Bd5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.20"]
[Round "6"]
[White "Hernandez Onna, Roman"]
[Black "Kapelan, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2340"]
[ECO "E14"]
[PlyCount "26"]
[Source "Perpetual Check"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Be7 5. e3 O-O 6. Bd3 Nbd7 7. O-O b6 8. b3
Bb7 9. Bb2 Ne4 10. Rc1 c5 11. Qe2 Nxc3 12. Bxc3 dxc4 13. bxc4 Bf6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Kapelan, Milorad"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2555"]
[ECO "E69"]
[PlyCount "40"]
[Source "Perpetual Check"]

1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5 8. h3 e5
9. e4 Nbd7 10. Re1 exd4 11. Nxd4 Ne5 12. Bf1 Re8 13. Be3 Be6 14. Nxe6 Rxe6 15.
f4 Ned7 16. Qc2 Rae8 17. Bg2 Nc5 18. Bd2 Qa6 19. Rad1 Nh5 20. Kh2 Bxc3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Schmidt, Wlodzimierz"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[WhiteElo "2490"]
[BlackElo "2435"]
[ECO "D34"]
[PlyCount "113"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c5 7. cxd5 exd5 8. Nc3
Nc6 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Re8 12. Qb3 Na5 13. Qc2 Bg4 14. h3 Bd7 15.
Rad1 Rc8 16. Nf5 Bb4 17. g4 Bxc3 18. bxc3 Bxf5 19. Qxf5 Rxe3 20. fxe3 Nc4 21.
Bxd5 Qc7 22. Qf4 Qxf4 23. exf4 Nxd5 24. Rxd5 Ne3 25. Rd3 Nxf1 26. Kxf1 Kf8 27.
Ke1 Rc4 28. Rd8+ Ke7 29. Rb8 b6 30. Rb7+ Ke6 31. Rxa7 Rxc3 32. Ra6 Rxh3 33.
Rxb6+ Ke7 34. Rb3 Rh1+ 35. Kf2 Ra1 36. Ra3 g6 37. Ra7+ Kf6 38. e4 Rb1 39. Ra5
Rc1 40. g5+ hxg5 41. fxg5+ Ke6 42. Ke2 Rg1 43. Kd2 Rg3 44. a4 Ra3 45. Ke2 Ra1
46. Kd3 Rd1+ 47. Kc4 Rc1+ 48. Kb4 Rb1+ 49. Kc5 Rc1+ 50. Kb6 Ra1 51. Kc7 Rc1+
52. Kd8 Rc4 53. Ra7 Ke5 54. Ke7 Kxe4 55. Kxf7 Rc5 56. Kxg6 Kf4 57. Kh6 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Janosevic, Dragoljub"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2490"]
[ECO "B91"]
[PlyCount "87"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2
O-O 9. h3 Be6 10. f4 exf4 11. Nxf4 Qb6 12. Qd3 Nbd7 13. Be3 Nc5 14. Qd4 Qc7 15.
O-O Rac8 16. g4 h6 17. Nce2 Bd7 18. Rac1 Ne6 19. Qd2 Nxf4 20. Nxf4 Bc6 21. Nd5
Bxd5 22. exd5 Rce8 23. c4 Nh7 24. b4 Bg5 25. Bxg5 Nxg5 26. Qf4 Re4 27. Qg3 Rxc4
28. Rxc4 Qxc4 29. Qxd6 Qd4+ 30. Kh2 Re8 31. Qf4 Qxf4+ 32. Rxf4 f6 33. Rd4 Rd8
34. d6 Rd7 35. Bxb7 Rxb7 36. d7 Nf7 37. d8=Q+ Nxd8 38. Rxd8+ Kf7 39. a3 a5 40.
Rd4 axb4 41. axb4 Ke6 42. Kg3 Ke5 43. Rf4 g6 44. Kf3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Matanovic, Aleksandar"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2550"]
[ECO "B42"]
[PlyCount "52"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. c4 Bg7 7. Be3 d6 8. Nc3
Nf6 9. O-O O-O 10. Re1 b6 11. Bf1 Bb7 12. f3 Nbd7 13. Qd2 Qc7 14. Rac1 Rfe8 15.
Red1 Bf8 16. Kh1 Rac8 17. Qf2 Qb8 18. b3 Ba8 19. Qd2 Nh5 20. Bh6 Bg7 21. Re1
Rc5 22. Nde2 Rcc8 23. Ng3 Bc6 24. Nce2 Ne5 25. Nd4 Ba8 26. Red1 Rc5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Knezevic, Milorad"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2475"]
[ECO "B13"]
[PlyCount "27"]
[Source "Perpetual Check"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5 7. Bxf6 exf6 8.
cxd5 Bb4 9. Qd2 Ne7 10. Bc4 Nxd5 11. Bxd5 Bxc3 12. bxc3 Qxd5 13. Nf3 O-O 14.
O-O 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Nikolin, Dusko"]
[Black "Makarichev, Sergei"]
[Result "0-1"]
[BlackElo "2515"]
[ECO "B57"]
[PlyCount "76"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nxc6 bxc6 8.
O-O e6 9. Qe2 Nd7 10. a4 Be7 11. a5 Qc7 12. f4 O-O 13. f5 Ne5 14. f6 Bxf6 15.
Rxf6 gxf6 16. Bh6 Qe7 17. Qf2 Bd7 18. Rd1 Kh8 19. Be2 Rg8 20. Bh5 Ng4 21. Bxg4
Rxg4 22. h3 Rg6 23. Be3 e5 24. Kh2 a6 25. g4 Be6 26. b3 Rag8 27. Ne2 Qd7 28.
Rg1 d5 29. c3 dxe4 30. c4 f5 31. g5 f6 32. h4 f4 33. Nxf4 exf4 34. Bxf4 h6 35.
h5 Rxg5 36. Bxg5 fxg5 37. Qf6+ Kh7 38. Re1 Qd2+ 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Ivanovic, Bozidar"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2575"]
[ECO "C95"]
[PlyCount "110"]
[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 Bf8 14. Ng3 g6 15.
a4 c5 16. d5 c4 17. Bg5 h6 18. Be3 Nc5 19. Qd2 Kh7 20. Nh2 Bg7 21. Ra3 Rb8 22.
axb5 axb5 23. Rf1 Qe7 24. Ra5 Bc8 25. Raa1 Nfd7 26. Ra7 Rb7 27. Rfa1 Nb6 28.
Rxb7 Qxb7 29. Rf1 Nba4 30. Rb1 Bd7 31. f4 exf4 32. Bxf4 Qb6 33. Be3 Qd8 34. Nf3
Qe7 35. Bf4 Rb8 36. Kh1 Be8 37. Kh2 Nd7 38. Nh5 Be5 39. Bxe5 Nxe5 40. Ng3 Nc5
41. Rf1 Ra8 42. Nxe5 Qxe5 43. Qe1 Nd7 44. Kg1 b4 45. Ne2 Ra2 46. Nd4 Rxb2 47.
Qa1 bxc3 48. Qa7 Qg3 49. Rf3 Qe1+ 50. Kh2 Ne5 51. Rf6 Ng4+ 52. hxg4 Qh4+ 53.
Kg1 Qxf6 54. g5 Qxg5 55. Ba4 Qxg2# 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.21"]
[Round "7"]
[White "Marjanovic, Slavoljub"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2530"]
[ECO "B25"]
[PlyCount "116"]
[Source "Perpetual Check"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Rb8 7. Nf3 b5 8. a3 Bg4
9. Nd5 Nf6 10. Ne3 Bd7 11. h3 Nh5 12. Nf1 e5 13. f5 Bf6 14. Be3 Nd4 15. c3 Nc6
16. Bf2 Ne7 17. N3h2 Bg7 18. Bf3 Nf6 19. g4 h6 20. Ne3 Bc6 21. h4 g5 22. Nhf1
Qc7 23. Qd2 Rd8 24. Ng3 gxh4 25. Rxh4 d5 26. Qc2 d4 27. cxd4 exd4 28. Ng2 Nd7
29. Nh5 Be5 30. Rc1 Qd6 31. Qd2 c4 32. dxc4 Nc5 33. cxb5 Bxb5 34. Rxc5 Qxc5 35.
f6 Ng6 36. Ng7+ Kd7 37. Rh5 Qc4 38. Be2 Qxe2+ 39. Qxe2 Bxe2 40. Kxe2 Rb8 41.
Bxd4 Bxd4 42. Rd5+ Kc6 43. Rxd4 Rxb2+ 44. Kf3 Ne5+ 45. Kf4 Nxg4 46. Ne1 Nxf6
47. Nd3 Rb1 48. Ne5+ Kc5 49. Nf5 Rf1+ 50. Ke3 Rxf5 51. Nd3+ Kc6 52. exf5 Re8+
53. Kf3 a5 54. Rh4 h5 55. Rc4+ Kb5 56. Rc5+ Ka4 57. Ne5 h4 58. Nc4 Kb3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Quinteros, Miguel Angel"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2530"]
[ECO "E06"]
[PlyCount "26"]
[Source "Perpetual Check"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 b6 7. Nc3 c6 8. Ne5
Bb7 9. e4 dxc4 10. Nxc4 b5 11. Ne5 Na6 12. Be3 c5 13. Nxb5 Nxe4 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Smejkal, Jan"]
[Black "Marjanovic, Slavoljub"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2355"]
[ECO "D34"]
[PlyCount "41"]
[Source "Perpetual Check"]

1. c4 e6 2. Nf3 d5 3. d4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3
O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Qa4 Qd7 13. Rfd1 Bh3 14. Bh1 Rfd8
15. Nb3 Qf5 16. Qb5 Rd7 17. Nd4 Nxd4 18. Rxd4 Rad8 19. Rad1 b6 20. Bxd5 Bc5 21.
Be4 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Makarichev, Sergei"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2440"]
[ECO "A29"]
[PlyCount "133"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Nf3 Nc6 5. Bg2 O-O 6. O-O d6 7. Nd5 Bc5 8. d3
Nxd5 9. cxd5 Nd4 10. e3 Nxf3+ 11. Qxf3 a5 12. Bd2 Bb6 13. Qe2 Bd7 14. a4 f5 15.
f4 Qe7 16. b3 Rf6 17. Kh1 exf4 18. gxf4 Rh6 19. Qf2 Re8 20. Rfe1 Qf6 21. Ra2 g5
22. fxg5 Qxg5 23. Bf3 Kf7 24. d4 Qh4 25. Bc3 Kg7 26. Rg1+ Kf6 27. Qxh4+ Rxh4
28. Re2 Rh3 29. Rg3 f4 30. Rxh3 Bxh3 31. e4 Rg8 32. Rf2 Kg5 33. Bg2 Bg4 34.
Rxf4 Bd1 35. Bd2 Kg6 36. e5 dxe5 37. dxe5 Kh5 38. e6 Bc5 39. Rf5+ Kg4 40. Rf4+
Kh5 41. Rf7 Bc2 42. Bf3+ Kg6 43. h4 h5 44. Rxc7 b6 45. Rf7 Rg7 46. Rf4 Bd6 47.
Be4+ Bxe4+ 48. Rxe4 Kf5 49. Re2 b5 50. Bg5 bxa4 51. bxa4 Rg8 52. e7 Re8 53. Re6
Be5 54. Kg2 Bc3 55. Rd6 Bb4 56. Rd8 Rxe7 57. Bxe7 Bxe7 58. Rg8 Bb4 59. Kf3 Ke5
60. Rh8 Kxd5 61. Rxh5+ Kc4 62. Ke4 Kb3 63. Kd3 Kxa4 64. Kc4 Be1 65. Rh7 Ka3 66.
h5 Ka2 67. Ra7 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Marovic, Drazen"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2475"]
[ECO "B38"]
[PlyCount "80"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. Be3
Bd7 9. O-O O-O 10. f3 Qb6 11. Ncb5 a6 12. Nc2 Qa5 13. Nbd4 Qh5 14. Qd2 Rfc8 15.
b3 Nd8 16. g4 Qh3 17. Rfe1 e5 18. Bf1 Qh4 19. Bg5 Qxe1 20. Rxe1 exd4 21. Nxd4
b5 22. cxb5 axb5 23. Nxb5 Ne6 24. Be3 Ne8 25. Rd1 Bxb5 26. Bxb5 Rc3 27. Bc4
N8c7 28. Kf2 Bf6 29. a4 g5 30. h4 h6 31. hxg5 hxg5 32. Rc1 Rxc1 33. Qxc1 Kg7
34. Qd2 Rd8 35. a5 Be5 36. Bxg5 Rh8 37. Bf1 Rh2+ 38. Bg2 Nc5 39. b4 Nb3 40. Qd3
Nd4 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Torre, Eugenio"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2500"]
[ECO "C67"]
[PlyCount "70"]
[Source "Perpetual Check"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8.
dxe5 Nb7 9. Re1 O-O 10. Nc3 Nc5 11. Be3 Ne6 12. Rad1 d5 13. exd6 cxd6 14. Nd4
Nxd4 15. Bxd4 Be6 16. Qf3 Qd7 17. Qg3 f6 18. Qe3 Kf7 19. Ne4 Rfe8 20. Qf4 Bd5
21. b3 Bxe4 22. Qxe4 Kg8 23. Qe6+ Qxe6 24. Rxe6 Kf7 25. Rde1 c5 26. Bc3 Rac8
27. Ba5 Bf8 28. Rxe8 Rxe8 29. Rxe8 Kxe8 30. Kf1 d5 31. Ke2 Kd7 32. Kd3 Bd6 33.
h3 f5 34. Bd2 Kc6 35. c3 a6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Bukic, Enver"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2505"]
[ECO "E59"]
[PlyCount "42"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4
Nc6 9. a3 Bxc3 10. bxc3 Qc7 11. Bd3 e5 12. Qc2 Re8 13. Nxe5 Nxe5 14. dxe5 Qxe5
15. f3 Qe6 16. Re1 Bd7 17. e4 h6 18. Be3 Rac8 19. Rab1 b6 20. a4 c4 21. Bf1 Qc6
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Hernandez Onna, Roman"]
[Black "Janosevic, Dragoljub"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2435"]
[ECO "A36"]
[PlyCount "59"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. b3 Nc6 6. Bb2 O-O 7. d3 d6 8. Qd2 e5
9. e3 Be6 10. Nd5 Bxd5 11. cxd5 Ne7 12. e4 Nd7 13. Nh3 h6 14. O-O g5 15. f4
gxf4 16. gxf4 Ng6 17. f5 Nh4 18. Bf3 Kh7 19. Kh1 Rg8 20. Bh5 Qe7 21. Rae1 Bf6
22. Rg1 Bg5 23. Nxg5+ Rxg5 24. Rxg5 hxg5 25. Rg1 f6 26. Qf2 b5 27. Bc1 Rh8 28.
Rg4 Qg7 29. Qg3 Rg8 30. Rxh4 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.22"]
[Round "8"]
[White "Kapelan, Milorad"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2490"]
[ECO "A39"]
[PlyCount "23"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. d4 cxd4 7. Nxd4 Nc6 8.
Nc3 Nxd4 9. Qxd4 d6 10. Rd1 Be6 11. Qd3 Rc8 12. Nd5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Schmidt, Wlodzimierz"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2555"]
[ECO "E63"]
[PlyCount "30"]
[Source "Perpetual Check"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O a6 8. b3
Rb8 9. Bb2 b5 10. cxb5 axb5 11. Rc1 b4 12. Nb1 Na5 13. Nbd2 Nd7 14. Qc2 c5 15.
d5 Bxb2 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Janosevic, Dragoljub"]
[Black "Kapelan, Milorad"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2340"]
[ECO "B89"]
[PlyCount "78"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8.
Qe2 a6 9. O-O-O Qc7 10. Bb3 Bd7 11. g4 Nxd4 12. Rxd4 Bc6 13. g5 Nd7 14. Rg1 Nc5
15. h4 O-O-O 16. Kb1 h6 17. Qg4 Kb8 18. Rdd1 hxg5 19. hxg5 g6 20. Rh1 Rxh1 21.
Rxh1 Nxb3 22. axb3 b5 23. Rh7 Be8 24. Qe2 Qc6 25. f3 Kb7 26. Qd2 Rc8 27. Ne2
Ka8 28. Nd4 Qb7 29. b4 Qc7 30. Nb3 d5 31. exd5 Qc4 32. d6 Rd8 33. Rh8 Bxd6 34.
Rxe8 Rxe8 35. Qxd6 Qc8 36. Nc5 Rd8 37. Qe7 Rd1+ 38. Ka2 a5 39. Nd3 Qc4+ 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Matanovic, Aleksandar"]
[Black "Hernandez Onna, Roman"]
[Result "0-1"]
[WhiteElo "2505"]
[BlackElo "2435"]
[ECO "B74"]
[PlyCount "70"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nb3 O-O 8.
Be2 d6 9. O-O Be6 10. f4 Qc8 11. Kh1 Rd8 12. Bg1 d5 13. e5 Ne4 14. Nd4 Nxd4 15.
Bxd4 f6 16. exf6 exf6 17. Bf3 Qd7 18. Ne2 b6 19. a4 Rac8 20. c3 Bf5 21. Re1 h5
22. Ng3 Nxg3+ 23. hxg3 Kh7 24. Qe2 Rc7 25. Qb5 Qd6 26. a5 bxa5 27. Rxa5 Re7 28.
Rxe7 Qxe7 29. Qe2 Be4 30. Rxa7 Qe6 31. c4 Qf5 32. cxd5 Re8 33. d6 Bxf3 34. Qxf3
Re1+ 35. Bg1 Qc5 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Knezevic, Milorad"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2490"]
[ECO "D41"]
[PlyCount "33"]
[Source "Perpetual Check"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8.
Bb5+ Bd7 9. Bxd7+ Nxd7 10. Nxd5 exd5 11. Qb3 Nb6 12. O-O O-O 13. Bf4 Bd6 14.
Bxd6 Qxd6 15. Rfe1 Rfe8 16. Qd3 h6 17. h3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Nikolin, Dusko"]
[Black "Torre, Eugenio"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "B07"]
[PlyCount "123"]
[Source "Perpetual Check"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. h3 O-O 7. Qd2 b5 8. a3
Nbd7 9. g4 Bb7 10. g5 Ne8 11. h4 Nc7 12. f3 e5 13. Rd1 Nb6 14. Nh3 Ne6 15. dxe5
dxe5 16. Qxd8 Raxd8 17. Rxd8 Rxd8 18. Nf2 Nd4 19. Bd1 Nc4 20. Bc1 Bc8 21. b3
Na5 22. Nd3 Ndxb3 23. Be3 Nd4 24. h5 Nc4 25. Bc1 a5 26. h6 Bf8 27. Kf2 Ne6 28.
Nb1 Be7 29. Nd2 Nxd2 30. Bxd2 Nc5 31. Be2 a4 32. Ra1 Nxd3+ 33. Bxd3 Be6 34. Ke2
Bd6 35. Bc3 Rb8 36. Rd1 Rd8 37. Bb2 Be7 38. Rg1 Bc5 39. Rc1 Be7 40. Rg1 Bd6 41.
Rb1 Kf8 42. Ke3 Bc5+ 43. Ke2 Bd4 44. Bxd4 Rxd4 45. Ke3 Rd8 46. f4 exf4+ 47.
Kxf4 Ke7 48. Ke5 Rd7 49. Rb4 Ra7 50. Kd4 Kd6 51. e5+ Kc7 52. Kc5 Ra8 53. Rd4
Re8 54. Rf4 Bd5 55. Kd4 Kb6 56. Rf6 Be6 57. c4 Rd8+ 58. Kc3 Kc5 59. cxb5 cxb5
60. Rf2 Rd5 61. Rb2 Kb6 62. Bf1 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Ivanovic, Bozidar"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2475"]
[ECO "B02"]
[PlyCount "79"]
[Source "Perpetual Check"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3 Nc6 6. Nf3 e6 7. Nc3 d5 8. exd6
Bxd6 9. Ne4 Be7 10. Be3 Nd5 11. Bd2 O-O 12. h4 f5 13. Nc3 Bf6 14. Qe2 Kh8 15.
O-O h6 16. Rae1 Qd6 17. Ng5 Nd4 18. Qh5 Nf4 19. Nf7+ Kh7 20. Nxd6 Nxh5 21. Nxc8
Raxc8 22. Bxe6 Rcd8 23. Bc4 Nc6 24. Nd5 Bd4 25. Re2 Ne5 26. c3 Nxc4 27. dxc4
Bf6 28. g3 Rd7 29. Rfe1 b6 30. a4 Bd8 31. Rd1 Rff7 32. Re6 Nf6 33. Bf4 Ne4 34.
f3 Nf6 35. Rd2 Nh5 36. Be3 f4 37. gxf4 Bc7 38. Re4 Bb8 39. Rh2 Rxd5 40. cxd5
1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Marjanovic, Slavoljub"]
[Black "Makarichev, Sergei"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2515"]
[ECO "E19"]
[PlyCount "23"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 c5 10. Rd1 d6 11. b3 Bf6 12. Bb2 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.23"]
[Round "9"]
[White "Kurajica, Bojan"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2575"]
[ECO "B07"]
[PlyCount "24"]
[Source "Perpetual Check"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Nbd2 O-O 6. Bc4 Nc6 7. O-O e5 8. dxe5
Nxe5 9. Nxe5 dxe5 10. Qc2 Qe7 11. a4 Be6 12. b3 Rfd8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Quinteros, Miguel Angel"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2575"]
[ECO "A36"]
[PlyCount "53"]
[Source "Perpetual Check"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 e6 6. Rb1 a5 7. e4 Nge7 8. Nge2
d6 9. d3 O-O 10. O-O Rb8 11. Nb5 b6 12. d4 Ba6 13. Be3 Rb7 14. a4 cxd4 15.
Nexd4 Nxd4 16. Bxd4 Bxd4 17. Qxd4 Rd7 18. Rbd1 Nc6 19. Qc3 e5 20. Na3 Nd4 21.
Rd2 Ne6 22. b3 Nc5 23. Qc2 Qe7 24. Nb1 Bb7 25. Nc3 Bc6 26. Bh3 Rdd8 27. Nd5
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Makarichev, Sergei"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2530"]
[ECO "B22"]
[PlyCount "26"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Be7 7. O-O O-O 8. c4
Qd8 9. dxc5 Na6 10. Nc3 Nxc5 11. Bc2 Qxd1 12. Rxd1 b6 13. Nd4 Bb7 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Marovic, Drazen"]
[Black "Marjanovic, Slavoljub"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2355"]
[ECO "E62"]
[PlyCount "40"]
[Source "Perpetual Check"]

1. c4 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 d6 5. Nc3 O-O 6. Nf3 Nc6 7. O-O Bg4 8. d5
Na5 9. b3 c5 10. Bb2 a6 11. Nd2 Rb8 12. h3 Bd7 13. Qc2 b5 14. Rab1 Qc7 15. e4
Rfc8 16. Nd1 e5 17. Ne3 Bh6 18. Bc3 Nh5 19. Kh2 b4 20. Bb2 Rf8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Torre, Eugenio"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2440"]
[ECO "B66"]
[PlyCount "49"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. Qe1 b5 12. e5 Nd5 13. Nxd5 Bxd5 14. Rxd5
exd5 15. Bd3 dxe5 16. Qxe5+ Qe7 17. Qxd5 Rc8 18. Bf5 Rc5 19. Qa8+ Qd8 20. Bd7+
Ke7 21. Re1+ Kxd7 22. Rd1+ Bd6 23. Rxd6+ Ke7 24. Rxd8 Rxd8 25. Qa7+ 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Bukic, Enver"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2490"]
[ECO "A35"]
[PlyCount "95"]
[Source "Perpetual Check"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 b6 6. Be2 d6 7. h3 Nf6 8. d5 Nb8
9. e4 O-O 10. Bf4 a6 11. a4 Nbd7 12. O-O Ra7 13. Re1 Re8 14. Bf1 Bb7 15. e5 Nh5
16. Bh2 Nxe5 17. Nxe5 dxe5 18. Bxe5 Bxe5 19. Rxe5 Nf6 20. Qe2 Bc8 21. Re1 Kg7
22. g4 h6 23. f4 Qd6 24. Bg2 Rc7 25. Bf3 Rh8 26. Kg2 Ra7 27. h4 Kf8 28. Kg3 Rc7
29. b3 Ra7 30. Nd1 Qd7 31. Nf2 Qd6 32. Kg2 Rc7 33. Qe3 Ra7 34. Qc3 g5 35. fxg5
hxg5 36. h5 Rg8 37. Qd3 e6 38. Qe3 Nh7 39. dxe6 Bxe6 40. Rd1 Qc7 41. a5 bxa5
42. Rxc5 Qe7 43. Rxa5 Kg7 44. Qb6 Kh8 45. Rxa6 Rxa6 46. Qxa6 f5 47. Re1 fxg4
48. Nxg4 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Hernandez Onna, Roman"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2500"]
[ECO "A86"]
[PlyCount "27"]
[Source "Perpetual Check"]

1. c4 f5 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. Nh3 c6 7. d5 e5 8. dxe6
Bxe6 9. b3 Na6 10. O-O Qe7 11. Bb2 O-O 12. Qc2 Rac8 13. Rad1 Kh8 14. Rfe1
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Kapelan, Milorad"]
[Black "Matanovic, Aleksandar"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2505"]
[ECO "E06"]
[PlyCount "62"]
[Source "Perpetual Check"]

1. Nf3 b6 2. c4 Bb7 3. d4 e6 4. g3 Nf6 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5 8. Ne5
c6 9. b3 Nbd7 10. Nd3 Rc8 11. Bb2 Ba6 12. cxd5 cxd5 13. Rc1 Bd6 14. a3 Qe7 15.
b4 Bc4 16. Qa4 a6 17. Rfd1 Rc7 18. f3 Rfc8 19. Bf1 e5 20. dxe5 Nxe5 21. Nf2 b5
22. Qc2 a5 23. bxa5 Bc5 24. Qf5 Re8 25. Kg2 Be3 26. Ra1 g6 27. Qh3 Qc5 28. Nd3
Bxd3 29. exd3 d4 30. Ne2 Qd5 31. Kh1 Nfg4 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.24"]
[Round "10"]
[White "Schmidt, Wlodzimierz"]
[Black "Janosevic, Dragoljub"]
[Result "1-0"]
[WhiteElo "2490"]
[BlackElo "2435"]
[ECO "B85"]
[PlyCount "103"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. O-O Nf6 8.
Be3 d6 9. f4 Be7 10. Kh1 O-O 11. Qe1 Bd7 12. Qg3 b5 13. a3 Nxd4 14. Bxd4 Bc6
15. Rae1 g6 16. f5 e5 17. Be3 Kh8 18. Qh4 gxf5 19. Bg5 Ng8 20. Rxf5 Bxg5 21.
Rxg5 f5 22. exf5 Nf6 23. Bd3 d5 24. Ne2 Rae8 25. c3 Qd8 26. Ng3 e4 27. Bb1 Ng8
28. Qh5 Re5 29. Ne2 Be8 30. Qh4 Qf6 31. Nd4 Ne7 32. Rf1 Bd7 33. Qf4 Nc6 34.
Nxc6 Bxc6 35. Qe3 Be8 36. g3 a5 37. Kg1 b4 38. axb4 axb4 39. Bc2 Bb5 40. Rf2
bxc3 41. bxc3 Bc4 42. Rh5 Re7 43. g4 Rg7 44. h3 Rb7 45. Rh6 Qe5 46. Re6 Qg7 47.
f6 Qc7 48. f7 Qxf7 49. Rxf7 Rbxf7 50. Bxe4 Rf1+ 51. Kg2 R1f4 52. Bf5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Janosevic, Dragoljub"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2555"]
[ECO "B93"]
[PlyCount "73"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Nf3 Nbd7 8.
Bd3 g6 9. O-O Bg7 10. Qe1 Nc5 11. Bd2 b5 12. b4 Nxd3 13. cxd3 Bb7 14. Rc1 Qd8
15. f5 Qd7 16. Ne2 Rc8 17. Rxc8+ Bxc8 18. Ned4 e5 19. fxe6 fxe6 20. Ng5 Qa7 21.
Be3 Qe7 22. Qc1 O-O 23. e5 Nd5 24. Rxf8+ Bxf8 25. Qxc8 Nxe3 26. Ndxe6 Nf5 27.
Nxf8 Qxf8 28. Qe6+ Kg7 29. Qd7+ Kh6 30. Nf7+ Kh5 31. Nxd6 Qh6 32. Nxf5 Qc1+ 33.
Kf2 Qf4+ 34. Ke2 Qg4+ 35. Ke3 Qg5+ 36. Kd4 Qg4+ 37. Kd5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Matanovic, Aleksandar"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2490"]
[ECO "B82"]
[PlyCount "55"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 a6 7. Qf3 Qb6 8. Nb3
Nbd7 9. Be3 Qc7 10. g4 b5 11. Bd3 Nc5 12. g5 b4 13. Nd1 Nfd7 14. Nf2 Bb7 15.
Nxc5 Nxc5 16. Bd4 e5 17. Be3 exf4 18. Bxf4 Be7 19. O-O-O Nxd3+ 20. Qxd3 Rc8 21.
Kb1 O-O 22. Rhg1 Kh8 23. Rd2 Rfd8 24. Qb3 a5 25. Rgd1 Ba6 26. Ng4 Bc4 27. Qg3
Be6 28. Ne3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Knezevic, Milorad"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2340"]
[ECO "D37"]
[PlyCount "107"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Qa5 8. Nd2
dxc4 9. Bd6 Bxd6 10. cxd6 Qc5 11. Nxc4 b5 12. Na5 a6 13. Nb3 Qb6 14. Qd4 Qxd4
15. Nxd4 Rd8 16. O-O-O Rxd6 17. Be2 Nbd7 18. Bf3 Ra7 19. Nc6 Rxd1+ 20. Rxd1 Rc7
21. Ne7+ Kf8 22. Nxc8 Rxc8 23. Kb1 Rb8 24. Rd6 Rb6 25. Rxb6 Nxb6 26. b4 Nc4 27.
Kc2 Ne8 28. Kd3 Ke7 29. Kd4 Kd7 30. a4 Ned6 31. axb5 Nxb5+ 32. Nxb5 axb5 33.
Kc5 Nd6 34. Bc6+ Ke7 35. e4 f6 36. f3 g5 37. Bxb5 Nb7+ 38. Kd4 Kd6 39. Ba6 Nd8
40. b5 e5+ 41. Kc4 Ne6 42. Bc8 Nf4 43. g3 Ng2 44. b6 Kc6 45. b7 Kc7 46. Kd5 h5
47. Ke6 Ne1 48. Kxf6 Nxf3 49. h3 Kb8 50. Ke6 Kc7 51. Kd5 Kb8 52. Kd6 h4 53.
gxh4 gxh4 54. Ke6 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Nikolin, Dusko"]
[Black "Hernandez Onna, Roman"]
[Result "0-1"]
[BlackElo "2435"]
[ECO "C98"]
[PlyCount "116"]
[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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. Nf1 Ne8 15. Ng3
g6 16. a4 Rb8 17. b4 c4 18. Bh6 Ng7 19. Nh2 f6 20. Qd2 Nf7 21. Be3 f5 22. exf5
gxf5 23. f4 Bh4 24. Nhf1 Qd8 25. axb5 axb5 26. Ra7 Qf6 27. Rea1 Qg6 28. Kh2 Kh8
29. Bd1 Rg8 30. R1a2 Bb7 31. Bf3 Bd8 32. Qd1 exf4 33. Bxf4 Bb6 34. R7a3 Ne5 35.
Rd2 Rbe8 36. Ra1 Qf6 37. Nh1 Ng4+ 38. Bxg4 fxg4 39. Bg3 Qxc3 40. Bxd6 gxh3 41.
g3 Nf5 42. Bc5 Bxc5 43. bxc5 Ne3 44. Nxe3 Rxe3 45. c6 Bc8 46. Ra8 Qe5 47. Qg1
c3 48. Rc2 Rd3 49. Qf2 Rxd5 50. Re2 Qd4 51. Qf7 Rf5 52. Qa2 Rf1 53. Rf2 Rxf2+
54. Qxf2 Qxf2+ 55. Nxf2 Bf5 56. Rxg8+ Kxg8 57. c7 c2 58. Nd3 Kf7 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Ivanovic, Bozidar"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2490"]
[ECO "B95"]
[PlyCount "70"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 h6 8. Bh4
Nbd7 9. Be2 Be7 10. Qe3 Qc7 11. O-O-O b5 12. a3 Bb7 13. f4 O-O-O 14. Kb1 Nc5
15. Bf3 Rhe8 16. g3 d5 17. e5 Nfe4 18. Bxe4 dxe4 19. Bxe7 Qxe7 20. b4 Na4 21.
Nb3 Nxc3+ 22. Qxc3+ Qc7 23. Nc5 Rd5 24. Rd4 Rxd4 25. Qxd4 Rd8 26. Qe3 Qc6 27.
Re1 Qd5 28. Qc3 Qd4 29. Nxe4+ Qxc3 30. Nxc3 g5 31. Rd1 Rg8 32. Rd2 gxf4 33.
gxf4 Rg1+ 34. Kb2 Rf1 35. Rd4 Rh1 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Marjanovic, Slavoljub"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2550"]
[ECO "A53"]
[PlyCount "105"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 c6 5. d4 Nbd7 6. e3 Be7 7. Nge2 O-O 8. O-O
Re8 9. b3 Bf8 10. Qc2 Nb6 11. Rd1 Qc7 12. Bb2 Bg4 13. Rd2 Qc8 14. Rc1 h5 15.
Ba3 e4 16. Bxd6 Bxd6 17. c5 Bf3 18. cxd6 h4 19. h3 hxg3 20. Nxg3 Bxg2 21. Kxg2
Qe6 22. Rf1 Nbd5 23. Nxd5 Nxd5 24. Re2 Qg6 25. Kh2 Qxd6 26. f3 exf3 27. Rxf3
Nf6 28. Kg2 Qd5 29. Qc4 Rad8 30. Ref2 Rd7 31. Kh2 Ne4 32. Qxd5 cxd5 33. Nxe4
Rxe4 34. Rg3 Rc7 35. Rfg2 g6 36. Rg5 Rxe3 37. Rxd5 Rcc3 38. Rf2 Rxh3+ 39. Kg2
Rhg3+ 40. Kh2 Rh3+ 41. Kg2 Rcg3+ 42. Kf1 Rf3 43. Rd7 Rxf2+ 44. Kxf2 Rh2+ 45.
Ke3 Rxa2 46. Rxb7 Kg7 47. d5 Kf6 48. b4 Ra6 49. Kd4 Rb6 50. Rxa7 Rxb4+ 51. Kc5
Rb1 52. d6 g5 53. Ra8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Kurajica, Bojan"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2475"]
[ECO "C42"]
[PlyCount "36"]
[Source "Perpetual Check"]

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. O-O Nd5 10. Bxe7 Nxe7 11. Re1 Nbc6 12. c3 Bf5 13. Nbd2 O-O 14. Nh4
Bd7 15. d4 Rae8 16. Bd3 Ng6 17. Nxg6 hxg6 18. Rxe8 Rxe8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.26"]
[Round "11"]
[White "Smejkal, Jan"]
[Black "Makarichev, Sergei"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2515"]
[ECO "A17"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3 c5 6. Bc2 Nc6 7. d4 cxd4 8. Nxd4
Nxd4 9. Qxd4 Bc5 10. Qd1 h5 11. h3 d5 12. cxd5 exd5 13. e5 Ne4 14. Nxe4 dxe4
15. O-O Qc7 16. b4 Rd8 17. Ba4+ b5 18. Bxb5+ Kf8 19. Qc2 Bb6 20. Qxc7 Bxc7 21.
Be3 a6 22. Rac1 Bxe5 23. Bc6 Bxc6 24. Rxc6 Ra8 25. Rd1 f6 26. Rd7 Kg8 27. Ra7
Rd8 28. g3 h4 29. g4 Rd1+ 30. Kg2 Kh7 31. Raxa6 Rb1 32. Rc4 Rd8 33. Rxe4 Rdd1
34. g5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Quinteros, Miguel Angel"]
[Black "Makarichev, Sergei"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2515"]
[ECO "A29"]
[PlyCount "30"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Nd5 e4 6. Nh4 O-O 7. Bg2 Re8 8. O-O
Bc5 9. d3 exd3 10. Qxd3 Ne5 11. Qc2 Nxd5 12. cxd5 d6 13. b3 a5 14. a3 Bd7 15.
Bb2 Qg5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Marovic, Drazen"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[WhiteElo "2475"]
[BlackElo "2575"]
[ECO "E63"]
[PlyCount "82"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. h3 e5
9. d5 Ne7 10. c5 b5 11. cxb6 cxb6 12. e4 b5 13. b4 Bd7 14. Be3 Nc8 15. Nd2 Nb6
16. Rc1 Rc8 17. Re1 Nc4 18. Nxc4 Rxc4 19. Qb3 Nh5 20. Bf1 Rc8 21. Kh2 f5 22.
exf5 gxf5 23. Be2 f4 24. Ba7 fxg3+ 25. fxg3 Nxg3 26. Kxg3 Rf4 27. Kh2 Qh4 28.
Nb1 Rxc1 29. Rxc1 Re4 30. Rc2 Rxb4 31. Qg3 Qxg3+ 32. Kxg3 Rxb1 33. Bb8 Bf8 34.
Bf3 b4 35. Rc7 Bf5 36. Bh5 b3 37. Bf7+ Kh8 38. axb3 Rxb3+ 39. Kh4 Rxb8 40. Kg5
Be4 41. Ra7 Bg7 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Torre, Eugenio"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2530"]
[ECO "B47"]
[PlyCount "81"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. O-O Nf6 8.
Kh1 Bb4 9. Bg5 Bxc3 10. Bxf6 gxf6 11. bxc3 Ne7 12. Qd2 d5 13. exd5 Nxd5 14. c4
Nf4 15. Bf3 O-O 16. Rad1 Ng6 17. Ne2 Qxc4 18. Ng3 Qf4 19. Nh5 Qxd2 20. Nxf6+
Kg7 21. Nh5+ Kh6 22. Rxd2 Nh4 23. Be2 b5 24. Rd4 Ng6 25. Rfd1 e5 26. Rd6 Be6
27. Nf6 Kg7 28. Nh5+ Kh8 29. h3 Nh4 30. Bg4 Nf5 31. R6d2 Rac8 32. Re1 Rc5 33.
Rde2 Nd4 34. Rxe5 Rxe5 35. Rxe5 Bxa2 36. c3 Ne6 37. f4 Ng7 38. Nf6 Bc4 39. Bd7
Rb8 40. Ne4 Rd8 41. Nf6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Bukic, Enver"]
[Black "Marjanovic, Slavoljub"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2355"]
[ECO "D34"]
[PlyCount "28"]
[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. b3 Ne4 10. Bb2 Bf6 11. Na4 cxd4 12. Nxd4 Bd7 13. Rc1 Re8 14. e3 Rc8
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Hernandez Onna, Roman"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2440"]
[ECO "A34"]
[PlyCount "153"]
[Source "Perpetual Check"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. d3 e5 8. Nd2
Be7 9. Nc4 Bd7 10. O-O O-O 11. a4 b6 12. f4 exf4 13. Bxf4 Ne6 14. Nd5 Nxf4 15.
gxf4 Rb8 16. e4 Be6 17. Nce3 f6 18. Kh1 a5 19. Qh5 Nb4 20. Nxb4 cxb4 21. Nd5
Bc5 22. b3 Qd7 23. Rac1 f5 24. Qh4 Rbe8 25. Rce1 Qd6 26. Qg3 Kh8 27. h3 Bg8 28.
Qh4 Re6 29. d4 Bxd4 30. Rd1 Rh6 31. Qe7 Qxe7 32. Nxe7 Bc5 33. Nxf5 Rh4 34. Nxh4
Bxb3 35. Rc1 Bxa4 36. e5 Bb3 37. f5 a4 38. f6 gxf6 39. exf6 a3 40. Be4 Be6 41.
Bf5 Bd5+ 42. Ng2 b3 43. Rfd1 Bf7 44. Nf4 a2 45. Ne6 Ra8 46. Ng5 Be8 47. Be4 b2
48. Bxa8 bxc1=Q 49. Rxc1 Bd4 50. f7 Bxf7 51. Nxf7+ Kg7 52. Nd6 a1=Q 53. Rxa1
Bxa1 54. Bc6 Kf6 55. Nc4 Bd4 56. Kg2 Kg5 57. Kg3 Bc5 58. Bd7 Bd4 59. h4+ Kf6
60. Kg4 Bf2 61. Nd2 Be3 62. Ne4+ Ke5 63. Ng5 h6 64. Nf7+ Kf6 65. Nd6 Kg6 66.
Be8+ Kf6 67. Kh5 Ke6 68. Nc4 Bf2 69. Kg4 Ke7 70. Bb5 Ke6 71. Nd2 Kd5 72. Be8
Kd4 73. Nf3+ Kc5 74. Bf7 b5 75. h5 b4 76. Kf5 b3 77. Kg6 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Kapelan, Milorad"]
[Black "Nikolin, Dusko"]
[Result "0-1"]
[WhiteElo "2340"]
[ECO "A38"]
[PlyCount "118"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 d6 7. d3 Nc6 8. a3
Bd7 9. Bd2 Qc8 10. Re1 Rb8 11. Rb1 h6 12. b4 b6 13. e3 Bg4 14. Qc2 Bxf3 15.
Bxf3 Ne5 16. Bg2 Qf5 17. e4 Nf3+ 18. Bxf3 Qxf3 19. Nd5 Ng4 20. Be3 e6 21. Nf4
g5 22. Ng2 f5 23. Rf1 f4 24. Bxf4 gxf4 25. Nh4 Ne3 26. fxe3 Qxe3+ 27. Kg2 fxg3
28. hxg3 Be5 29. Rf3 Qg5 30. Rbf1 Rf6 31. b5 Kh7 32. Kh1 Rxf3 33. Nxf3 Qxg3 34.
Qh2 Qxh2+ 35. Nxh2 Bxh2 36. Kxh2 Kg7 37. Kg3 Rf8 38. Ra1 Kg6 39. a4 Kg5 40. a5
h5 41. axb6 axb6 42. Ra7 h4+ 43. Kg2 Kg4 44. Rg7+ Kf4 45. Rh7 Ke3 46. Rd7 Kxd3
47. Rxd6+ Kxc4 48. Rxb6 e5 49. Rd6 Kxb5 50. Re6 c4 51. Rxe5+ Kb4 52. Re7 c3 53.
Rb7+ Kc4 54. e5 Rc8 55. e6 c2 56. e7 c1=Q 57. Rc7+ Rxc7 58. e8=Q Rg7+ 59. Kf2
Qf4+ 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Schmidt, Wlodzimierz"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2500"]
[ECO "A88"]
[PlyCount "29"]
[Source "Perpetual Check"]

1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 O-O 6. Nc3 d6 7. d4 c6 8. Bg2 a5
9. O-O Qc7 10. d5 Na6 11. Nd4 Bd7 12. Qd2 Nc5 13. Rab1 Rfe8 14. Rfd1 Rad8 15.
e3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.27"]
[Round "12"]
[White "Janosevic, Dragoljub"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2505"]
[ECO "C98"]
[PlyCount "76"]
[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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. axb5
axb5 16. b4 c4 17. Nf1 Ne8 18. Ng3 g6 19. Bh6 Ng7 20. Nh2 f6 21. Ng4 Nf7 22.
Qd2 Bxg4 23. hxg4 Ra8 24. Be3 Qb7 25. Ne2 Rxa1 26. Rxa1 Ra8 27. Qc1 Bd8 28. g3
Ra6 29. Kg2 Qa8 30. Rxa6 Qxa6 31. Ng1 Ne8 32. Nf3 g5 33. Nd2 Bb6 34. Bxb6 Qxb6
35. Qa3 Nc7 36. Nb1 Nd8 37. Nd2 Qa6 38. Qxa6 Nxa6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Matanovic, Aleksandar"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2555"]
[ECO "B92"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. a4
Be6 9. f4 Qc7 10. f5 Bc4 11. Bxc4 Qxc4 12. Qe2 Qc7 13. O-O Nbd7 14. a5 Qc6 15.
Rd1 Rc8 16. Kh1 h6 17. Qf3 b5 18. axb6 Qxb6 19. Qe2 Ra8 20. Be3 Qb7 21. Qc4 O-O
22. Na5 Rfc8 23. Nxb7 Rxc4 24. Na5 Rcc8 25. Ra4 Rab8 26. Nb3 Nb6 27. Rxa6 Nc4
28. Bc1 Ng4 29. Re1 Bg5 30. Nd5 Kh7 31. Bxg5 hxg5 32. h3 Nf6 33. Nxf6+ gxf6 34.
Ra2 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Knezevic, Milorad"]
[Black "Janosevic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2435"]
[ECO "D37"]
[PlyCount "90"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 c6 7. c5 Nbd7 8. Bd3
Nh5 9. O-O Nxf4 10. exf4 b6 11. b4 bxc5 12. bxc5 Qa5 13. Qc2 g6 14. Rfe1 Bf6
15. Ne5 Nxe5 16. fxe5 Bg5 17. Rab1 Ba6 18. Bxa6 Qxa6 19. Rb4 Rfb8 20. Reb1 Qc8
21. R4b2 Bd8 22. Na4 f6 23. Qe2 fxe5 24. Qxe5 Rxb2 25. Rxb2 Bc7 26. Qf6 Qd7 27.
Re2 Re8 28. Nb2 Qf7 29. Qxf7+ Kxf7 30. f4 Rb8 31. Nd3 Ke7 32. Kf2 Rf8 33. Ke3
g5 34. fxg5 Bxh2 35. Re1 Rf7 36. Rb1 Kd8 37. Rh1 Bc7 38. Rh6 Kd7 39. g6 hxg6
40. Rxg6 Bh2 41. Ke2 Bc7 42. Rg8 a5 43. Rg5 Ke7 44. a4 Rf6 45. Rg8 Rf8 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Nikolin, Dusko"]
[Black "Schmidt, Wlodzimierz"]
[Result "0-1"]
[BlackElo "2490"]
[ECO "B85"]
[PlyCount "88"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. O-O O-O 8.
Kh1 Nc6 9. Be3 a6 10. a4 Qc7 11. f4 Rd8 12. Qe1 Nxd4 13. Bxd4 e5 14. Be3 exf4
15. Rxf4 Be6 16. a5 Nd7 17. Qg3 Re8 18. Bd4 Ne5 19. Bd3 Bf8 20. Bb6 Qe7 21.
Raf1 g6 22. Be2 Bg7 23. R4f2 Rac8 24. Rd1 Rc6 25. Bd3 Ng4 26. Qf3 Nxf2+ 27.
Qxf2 Be5 28. Be3 Qf6 29. Qd2 Rxc3 30. bxc3 Bxc3 31. Qc1 Bxa5 32. Bg5 Qc3 33.
Rf1 Qc5 34. Be3 Qc6 35. c4 Bb6 36. Bh6 Bd4 37. h3 Rc8 38. Qb1 b6 39. Rc1 Qc5
40. Qa2 b5 41. Qe2 bxc4 42. Bc2 Rb8 43. Qd2 Be5 44. Qg5 Qf2 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Ivanovic, Bozidar"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2340"]
[ECO "B69"]
[PlyCount "103"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Qb6 13. f5 O-O-O 14. g3
Kb8 15. fxe6 fxe6 16. Bh3 Bc8 17. Qe1 Qc5 18. Ne2 d5 19. exd5 Rxd5 20. Rxd5
Qxd5 21. Nf4 Qd6 22. Bxe6 Bb7 23. Bd5 Ne5 24. Bxb7 Kxb7 25. Nxe5 Qxe5 26. Qxe5
fxe5 27. Re1 Bd6 28. Nd3 Re8 29. Nf2 Rf8 30. Ne4 Be7 31. Kc1 Kc6 32. Kd2 Kd5
33. Ke3 Rc8 34. c3 Ke6 35. Rf1 h5 36. b3 a5 37. Rc1 h4 38. g4 h3 39. c4 bxc4
40. Rxc4 Rf8 41. Rc6+ Kd5 42. Ra6 Rf4 43. Rxa5+ Ke6 44. Ra6+ Kf7 45. g5 Rg4 46.
Rh6 Kg7 47. Rxh3 Rg2 48. Kf3 Rxa2 49. Kg4 Rb2 50. Kf5 Bd8 51. Rd3 Bb6 52. Rd7+
1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Marjanovic, Slavoljub"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[WhiteElo "2355"]
[BlackElo "2435"]
[ECO "B25"]
[PlyCount "71"]
[Source "Perpetual Check"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Rb8 7. Nf3 Nf6 8. O-O
O-O 9. h3 b5 10. a3 a5 11. Be3 b4 12. axb4 axb4 13. Ne2 Bb7 14. b3 Qc7 15. g4
Ra8 16. Rc1 Ra2 17. Qe1 Nd7 18. Qh4 Nd4 19. Nexd4 cxd4 20. Nxd4 e5 21. Nf3 exf4
22. Bxf4 Ne5 23. Ne1 Nc6 24. Kh1 Nd4 25. Qf2 f5 26. gxf5 gxf5 27. Qd2 fxe4 28.
dxe4 Qb6 29. Qe3 Qa6 30. Nd3 Nxc2 31. Qg3 Qa7 32. Bxd6 Rxf1+ 33. Rxf1 Ra1 34.
Nc1 Rxc1 35. Rxc1 Ne3 36. Be5 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Kurajica, Bojan"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2490"]
[ECO "B19"]
[PlyCount "35"]
[Source "Perpetual Check"]

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 Ngf6 10. Bd2 e6 11. Ne4 Nxe4 12. Qxe4 Qc7 13. O-O-O Bd6 14. c4 Nf6
15. Qe2 Bf4 16. g3 Bxd2+ 17. Rxd2 Qa5 18. a3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Smejkal, Jan"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2550"]
[ECO "E62"]
[PlyCount "19"]
[Source "Perpetual Check"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O c6 7. Nc3 Bf5 8. Nh4
Be6 9. b3 d5 10. Nf3 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.28"]
[Round "13"]
[White "Makarichev, Sergei"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2475"]
[ECO "C19"]
[PlyCount "37"]
[Source "Perpetual Check"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3
Qa5 9. Bd2 Bd7 10. Be2 c4 11. O-O O-O-O 12. Ng5 Rdf8 13. Bh5 Nd8 14. Qc1 f5 15.
exf6 gxf6 16. Nf3 Ng6 17. Re1 Nf7 18. Qa3 Qc7 19. a5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Quinteros, Miguel Angel"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2475"]
[ECO "D48"]
[PlyCount "80"]
[Source "Perpetual Check"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. d4 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
Bb7 9. O-O a6 10. e4 b4 11. Na4 c5 12. e5 Nd5 13. Re1 h6 14. Bd2 Be7 15. Rc1
Rc8 16. Qe2 Qa5 17. Nxc5 Nxc5 18. dxc5 Rxc5 19. Bb1 Qb6 20. Red1 a5 21. Bc2 Kf8
22. h3 g6 23. Bb3 Kg7 24. Rxc5 Bxc5 25. Bc1 Ne7 26. Rd7 Bc6 27. Rd1 Nf5 28. Ne1
Ng3 29. Qc2 a4 30. Bc4 Nf5 31. Qd2 g5 32. Nd3 Nh4 33. Nxc5 Qxc5 34. Bf1 Qxe5
35. Qxb4 Nf5 36. Bd2 f6 37. Bc3 Qc7 38. Qc4 Re8 39. Qc5 Qb7 40. Re1 Bd5 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Torre, Eugenio"]
[Black "Makarichev, Sergei"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2515"]
[ECO "A18"]
[PlyCount "30"]
[Source "Perpetual Check"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 c5 8. Nf3
cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 O-O 12. Bd3 Nc6 13. O-O Rd8 14. Rad1
g6 15. Be4 Nxd4 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Bukic, Enver"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2575"]
[ECO "A30"]
[PlyCount "40"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4
d6 9. Rd1 a6 10. b3 Nbd7 11. Bb2 O-O 12. Qe3 Qc7 13. Rac1 Rfe8 14. h3 Rac8 15.
Nd4 Bxg2 16. Kxg2 Ne5 17. Nf3 Nxf3 18. Qxf3 Qb8 19. Ne4 Nxe4 20. Qxe4 h5
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Hernandez Onna, Roman"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2530"]
[ECO "A41"]
[PlyCount "103"]
[Source "Perpetual Check"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Nd7 5. g3 e5 6. Bg2 f6 7. O-O Nh6 8. dxe5
dxe5 9. b3 O-O 10. Ba3 Re8 11. Qc2 f5 12. e4 f4 13. Rad1 g5 14. h3 c6 15. g4
Nf7 16. Qe2 Qf6 17. Na4 Bf8 18. Bb2 a6 19. Rd2 b5 20. Nc3 Be7 21. Rc1 Rb8 22.
Rdc2 Qe6 23. Nd2 b4 24. Na4 c5 25. Nf1 Nf6 26. Ba1 h5 27. f3 Bd7 28. Nb2 Kg7
29. Nd3 Rh8 30. Rd1 Bc6 31. Nf2 a5 32. Rd5 Bd6 33. Rcd2 Bxd5 34. exd5 Qe7 35.
Rd1 a4 36. gxh5 axb3 37. axb3 Nxh5 38. Ng4 Ra8 39. Re1 Rhe8 40. Bb2 Ra7 41. Qc2
Kf8 42. Re2 Nf6 43. Nfh2 Ra6 44. Bf1 Bc7 45. Re1 Kg7 46. Bd3 Nh5 47. Nf1 Rh8
48. Qe2 Nf6 49. Nf2 g4 50. hxg4 Ne8 51. Bf5 Rh4 52. Be4 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Kapelan, Milorad"]
[Black "Marjanovic, Slavoljub"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2355"]
[ECO "E62"]
[PlyCount "86"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. d5 Na5 8. Nfd2
c6 9. Nc3 cxd5 10. cxd5 Bd7 11. Nb3 Rc8 12. Nxa5 Qxa5 13. Qb3 Rc7 14. Bd2 Rfc8
15. a4 b6 16. h3 Rc4 17. Rfd1 Qc5 18. e4 Nh5 19. Be3 Qb4 20. Qxb4 Rxb4 21. g4
Nf6 22. Rdc1 h5 23. g5 Ne8 24. Nb5 Rxc1+ 25. Rxc1 Rxa4 26. b3 Ra2 27. Bf1 Kf8
28. Kg2 f5 29. exf5 Bxf5 30. Kg3 Bb2 31. Rc4 Ra1 32. Be2 Re1 33. Kf3 Bxh3 34.
Bd3 Rg1 35. Bd2 Bg2+ 36. Ke3 Bxd5 37. Rc8 Rxg5 38. Ke2 Re5+ 39. Kf1 Be6 40. Rb8
Kf7 41. Nxa7 Rd5 42. Bb5 Nc7 43. Bh6 Bh3+ 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Schmidt, Wlodzimierz"]
[Black "Ivanovic, Bozidar"]
[Result "1-0"]
[WhiteElo "2490"]
[BlackElo "2440"]
[ECO "E91"]
[PlyCount "119"]
[Source "Perpetual Check"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 O-O 5. e4 c6 6. e5 Ne8 7. Be2 a6 8. Bf4 d6
9. O-O d5 10. cxd5 cxd5 11. h3 Nc6 12. Qd2 Nc7 13. Rad1 b5 14. Bh6 Rb8 15. Rfe1
Bd7 16. b3 Qc8 17. Rc1 Qb7 18. Bxg7 Kxg7 19. Nd1 f5 20. exf6+ exf6 21. Ne3 Rbc8
22. Rc5 Ne7 23. Bd3 Ne6 24. Rxc8 Rxc8 25. Ng4 Ng8 26. b4 Qc7 27. Ne3 Nf4 28.
Bc2 Qd6 29. Bb3 Ne7 30. h4 Nf5 31. g3 Nxe3 32. Rxe3 Ne6 33. a3 Nd8 34. Rc3 Rxc3
35. Qxc3 Ne6 36. Kf1 a5 37. Ke2 Kf7 38. Kd2 axb4 39. axb4 Kg7 40. Ne1 g5 41.
hxg5 fxg5 42. Nd3 h5 43. Nc5 h4 44. Qe3 hxg3 45. fxg3 Kf8 46. Qe5 Ke7 47. Bxd5
Qxe5 48. dxe5 Ng7 49. Nxd7 Kxd7 50. g4 Ne6 51. Ke3 Nf4 52. Kd4 Kc7 53. Be4 Kb6
54. Bf3 Kc7 55. Bd5 Kb6 56. e6 Kc7 57. Ke5 Kd8 58. Kd6 Ng6 59. Bc6 Ne7 60. Bd7
1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Janosevic, Dragoljub"]
[Black "Nikolin, Dusko"]
[Result "1-0"]
[WhiteElo "2435"]
[ECO "B35"]
[PlyCount "67"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. h3 Nc6 8. Bc4
O-O 9. Bb3 Qa5 10. O-O Bd7 11. f4 Rac8 12. Qf3 Nxd4 13. Bxd4 e5 14. Be3 exf4
15. Bxf4 Be6 16. Rad1 Bxb3 17. axb3 Ne8 18. b4 Qh5 19. Qxh5 gxh5 20. Bg5 f6 21.
Be3 a6 22. Rf2 Rc4 23. Rd4 Rxd4 24. Bxd4 f5 25. Bxg7 Nxg7 26. Nd5 Rf7 27. exf5
h6 28. g4 Kh7 29. Re2 hxg4 30. hxg4 h5 31. f6 hxg4 32. fxg7 Rxg7 33. Re6 Kg8
34. Rxd6 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.09.29"]
[Round "14"]
[White "Matanovic, Aleksandar"]
[Black "Knezevic, Milorad"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2500"]
[ECO "B04"]
[PlyCount "125"]
[Source "Perpetual Check"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 g6 6. Bc4 Be6 7. O-O Bg7 8.
Qe2 Nd7 9. Nf3 N7f6 10. Bb3 c6 11. c4 Nc7 12. Nc3 O-O 13. Be3 b5 14. cxb5 Bxb3
15. axb3 cxb5 16. Nxb5 Nxb5 17. Qxb5 Qd5 18. Qb4 Qe4 19. Rfe1 Rfb8 20. Qc5 Rc8
21. Qa3 Qb7 22. Bg5 e6 23. Bxf6 Bxf6 24. Rac1 Rc6 25. Rxc6 Qxc6 26. Qb4 Rd8 27.
Qc3 Qd5 28. Ra1 Bxd4 29. Nxd4 Qxd4 30. Qxd4 Rxd4 31. Kf1 Rd7 32. Ke2 Kg7 33.
Ra4 Kf6 34. Rb4 Ke5 35. Rb8 h5 36. h3 Kd6 37. Ke3 Kc6 38. Rc8+ Rc7 39. Rf8 Rb7
40. Kf4 Kd6 41. Rd8+ Ke7 42. Rd3 Rb4+ 43. Ke3 e5 44. Rc3 Kd6 45. Rd3+ Ke6 46.
Rc3 f5 47. Kd2 Rb6 48. Ke2 Kf6 49. h4 g5 50. hxg5+ Kxg5 51. Rg3+ Kf6 52. Rh3 e4
53. Rxh5 Rxb3 54. g4 Rxb2+ 55. Ke3 Rb3+ 56. Ke2 fxg4 57. Ra5 Rb7 58. Ke3 Re7
59. Kf4 g3 60. Kxg3 e3 61. fxe3 Rxe3+ 62. Kf4 Re7 63. Rf5+ 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Knezevic, Milorad"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2555"]
[ECO "E76"]
[PlyCount "60"]
[Source "Perpetual Check"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. f4 O-O 7. Nf3 e6 8. dxe6
fxe6 9. Bd3 Nc6 10. O-O Qe7 11. Qe1 Bd7 12. Bd2 Nd4 13. Ng5 Rae8 14. e5 Nh5 15.
exd6 Qxd6 16. Nce4 Qe7 17. b4 b6 18. bxc5 bxc5 19. Rb1 h6 20. Nh3 e5 21. Rb7
exf4 22. Nxf4 Nxf4 23. Bxf4 Qd8 24. Bd6 Bc6 25. Rb8 Rxe4 26. Qg3 Nf5 27. Rxd8
Bd4+ 28. Kh1 Nxg3+ 29. Bxg3 Rxd8 30. Bxe4 Bxe4 0-1

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Nikolin, Dusko"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]
[BlackElo "2505"]
[ECO "B08"]
[PlyCount "160"]
[Source "Perpetual Check"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 a5 8. h3
Nbd7 9. Be3 Qc7 10. Qd2 Re8 11. Ng5 h6 12. Nf3 Kh7 13. g4 Ng8 14. Nh4 Qd8 15.
f4 e6 16. Nf3 Qe7 17. Bd3 e5 18. Rae1 exd4 19. Bxd4 Bxd4+ 20. Nxd4 Nc5 21. Bc4
Be6 22. Nxe6 fxe6 23. f5 Rad8 24. Kh2 g5 25. fxe6 Nxe6 26. Rf5 Ng7 27. Rf7 Qe5+
28. Kg2 d5 29. Bd3 Kh8 30. Qf2 d4 31. Ne2 Ne6 32. Rf1 Rf8 33. Qf5 Qxf5 34.
R1xf5 Rxf7 35. Rxf7 Nc5 36. b3 b6 37. Rc7 Nxd3 38. cxd3 Rd6 39. Ng3 Re6 40. Nf5
c5 41. Kf3 Nf6 42. Ng7 Re5 43. Rf7 Nh7 44. Nf5 Re6 45. Re7 Nf8 46. e5 Kg8 47.
Rxe6 Nxe6 48. Nxh6+ Kh7 49. Nf5 Nf4 50. Ke4 Nxh3 51. e6 Kg6 52. Ke5 Nf2 53.
Ne7+ Kg7 54. Kf5 Nxd3 55. Kxg5 Nb4 56. Nf5+ Kf8 57. Kf6 Nd5+ 58. Ke5 Ne7 59.
Nd6 Nc6+ 60. Kf6 d3 61. Nc4 Ne7 62. Ke5 Ng6+ 63. Kd6 Ke8 64. Nd2 Kd8 65. g5 Ke8
66. Kc6 Nf4 67. Kxb6 Nxe6 68. Kxa5 Nd4 69. g6 Kf8 70. Nb1 Kg7 71. Kb6 Nxb3 72.
Kb5 Kxg6 73. Kc4 d2 74. Nc3 Na5+ 75. Kxc5 Kf6 76. Kb5 Nb3 77. Kb4 Nd4 78. Kc4
Ke5 79. a5 Nc6 80. a6 Kd6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Ivanovic, Bozidar"]
[Black "Janosevic, Dragoljub"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2435"]
[ECO "B85"]
[PlyCount "28"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. O-O Nf6 8.
Kh1 Be7 9. f4 d6 10. Be3 Bd7 11. Qe1 b5 12. a3 O-O 13. Qg3 Nxd4 14. Bxd4 Bc6
1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Marjanovic, Slavoljub"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2490"]
[ECO "C09"]
[PlyCount "25"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nc6 6. Bb5 Bd6 7. O-O Nge7 8.
dxc5 Bxc5 9. Nbd2 O-O 10. Nb3 Bb6 11. Re1 Bf5 12. Bd3 h6 13. Bc2 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Kurajica, Bojan"]
[Black "Kapelan, Milorad"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2340"]
[ECO "B85"]
[PlyCount "65"]
[Source "Perpetual Check"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 e6 7. Be2 Be7 8.
O-O a6 9. a4 Qc7 10. f4 b6 11. Bf3 Bb7 12. Be3 O-O 13. g4 Nd7 14. g5 Rfd8 15.
Bg2 Nc5 16. Qe2 Bf8 17. h4 Nb4 18. Nd4 e5 19. Nf5 d5 20. exd5 Nxd5 21. Nxd5
Bxd5 22. Bxd5 Rxd5 23. Qg2 Rad8 24. fxe5 Qxe5 25. c4 Rd3 26. Rae1 Qc7 27. Nh6+
gxh6 28. gxh6+ Kh8 29. Bf4 Qxf4 30. Rxf4 Bxh6 31. Rg4 Ne6 32. Qf1 Bg7 33. Qxf7
1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Smejkal, Jan"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2435"]
[ECO "A26"]
[PlyCount "77"]
[Source "Perpetual Check"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. e4 h5 7. h4 Nd4 8. Nce2 Ne6
9. Nh3 Nh6 10. O-O c5 11. Nc3 Nd4 12. Nd5 f6 13. f3 Nf7 14. Be3 g5 15. f4 exf4
16. gxf4 g4 17. Nf2 f5 18. Nh1 Kf8 19. Bf2 Rg8 20. Ng3 Bh8 21. Re1 Nf3+ 22.
Bxf3 gxf3 23. Qxf3 Qxh4 24. e5 Qh3 25. Qg2 Qxg2+ 26. Kxg2 h4 27. e6 Bxe6 28.
Rxe6 hxg3 29. Bxg3 Re8 30. Rxe8+ Kxe8 31. Re1+ Kf8 32. Kf3 Nd8 33. Ne7 Rg7 34.
Nxf5 Rd7 35. b3 Nc6 36. Rh1 Bg7 37. Ke4 Nb4 38. Rh7 Nxa2 39. Be1 1-0

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Makarichev, Sergei"]
[Black "Bukic, Enver"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2490"]
[ECO "A36"]
[PlyCount "28"]
[Source "Perpetual Check"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. e3 e6 6. Nge2 Nge7 7. O-O O-O 8. d4
cxd4 9. Nxd4 Nxd4 10. exd4 d5 11. cxd5 Nxd5 12. Nxd5 exd5 13. Be3 Be6 14. Qb3
Qb6 1/2-1/2

[Event "7th Boris Kostic mem"]
[Site "Vrsac"]
[EventDate "1977.09.14"]
[Date "1977.10.01"]
[Round "15"]
[White "Marovic, Drazen"]
[Black "Torre, Eugenio"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2550"]
[ECO "E62"]
[PlyCount "22"]
[Source "Perpetual Check"]

1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 c6 7. h3 Bf5 8. Nd2 e5
9. d5 cxd5 10. cxd5 Na6 11. O-O Ne8 1/2-1/2
