[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.31"]
[Round "9"]
[White "Borges, Lucas Silvestre"]
[Black "Silla, Mario"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "80"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 h6 4. Bxf6 gxf6 5. Nbd2 c5 6. e3 Nc6 7. c3 e6 8. g3 Qb6 9. dxc5 Qxb2 10. Qc1 Qxc1+ 11. Rxc1 Bxc5 12. Bb5 Bd7 13. 0-0 a6 14. Bd3 Ne5 15. Nxe5 fxe5 16. Nb3 Ba3 17. Rc2 Rc8 18. e4 0-0 19. f4 f5 20. exf5 e4 21. Be2 exf5 22. Rd1 Bc6 23. c4 dxc4 24. Bxc4+ Kg7 25. Nd4 Bc5 26. Kg2 Bxd4 27. Rxd4 Rcd8 28. Rxd8 Rxd8 29. Kh3 Ba4 30. Rb2 b5 31. Be2 e3 32. Bh5 Rd2 33. Rb1 e2 34. Re1 Bd1 35. a3 a5 36. Kh4 b4 37. axb4 axb4 38. g4 fxg4 39. Bxg4 Kf6 40. Kg3 b3 0-1

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.30"]
[Round "8"]
[White "Silla, Mario"]
[Black "Ferreira, Rogerio"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "31"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Bc4 e6 6. d4 b5 7. Be2 Bb7 8. 0-0 Nf6 9. Bg5 cxd4 10. Nxd4 Be7 11. Nxc6 Bxc6 12. f3 0-0 13. Kh1 Qc7 14. Qc1 d5 15. Bxf6 Bxf6 16. Nd2 1/2-1/2

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.29"]
[Round "7"]
[White "Sunye Neto, Jaime"]
[Black "Silla, Mario"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2435"]
[PlyCount "59"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Nc6 7. Nf3 Bb4 8. 0-0 0-0 9. a3 Be7 10. b4 a6 11. Bb2 f5 12. Rc1 Be6 13. Na4 Nxa4 14. Qxa4 Bd6 15. Rxc6 bxc6 16. Nxe5 Bxe5 17. Bxe5 Bd5 18. e4 fxe4 19. dxe4 Be6 20. Qxc6 Qd7 21. Qxd7 Bxd7 22. Rc1 Rac8 23. Rc5 Rfe8 24. Bxc7 Bb5 25. e5 Rxc7 26. Rxc7 Rxe5 27. Rc1 Kf7 28. Bf1 Re6 29. Bxb5 axb5 30. Rc7+ 1-0

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.28"]
[Round "6"]
[White "Silla, Mario"]
[Black "Tompa, Janos"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "2420"]
[PlyCount "50"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Nge2 Bg7 5. Bg2 d6 6. d3 f5 7. f4 Nh6 8. 0-0 0-0 9. Kh1 Bd7 10. Be3 Nd4 11. Bg1 Bc6 12. Nxd4 cxd4 13. Ne2 e5 14. c3 dxc3 15. bxc3 Qd7 16. Qb3+ Kh8 17. Rac1 Rfe8 18. fxe5 dxe5 19. Qb1 b5 20. Rfe1 Ng4 21. h3 Nf6 22. Be3 fxe4 23. d4 Nd5 24. Bg1 e3 25. c4 Nc3 0-1

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.27"]
[Round "5"]
[White "Gutierrez, Antonio"]
[Black "Silla, Mario"]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "113"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bg2 Bb7 12. a3 Rc8 13. h4 Nc5 14. Bxf6 gxf6 15. Qe2 Qb6 16. Na2 Rg8 17. g5 e5 18. fxe5 dxe5 19. Nf5 Bf8 20. Bf3 a5 21. gxf6 Nb3+ 22. Kb1 Nd4 23. Nxd4 exd4 24. e5 Bxf3 25. Qxf3 Rd8 26. Rhe1 b4 27. Qb3 Qe6 28. Qa4+ Qd7 29. Qxa5 bxa3 30. bxa3 Rb8+ 31. Kc1 Bh6+ 32. Rd2 Qb7 33. Qa4+ Qb5 34. Qxb5+ Rxb5 35. Kd1 Bxd2 36. Kxd2 Rg4 37. Kd3 Ra5 38. Nc1 Rxa3+ 39. Nb3 Ra8 40. Re4 Rg3+ 41. Kxd4 Ra4+ 42. Kd5 Rxe4 43. Kxe4 Rg4+ 44. Kd5 Rxh4 45. c4 Rh1 46. c5 Rd1+ 47. Ke4 Kd7 48. Nd4 Rf1 49. Nf3 Rc1 50. Ng5 h5 51. Nxf7 Rxc5 52. Kf5 h4 53. Ng5 Ra5 54. Kg4 Rxe5 55. Kxh4 Re8 56. Kh5 Rf8 57. Kg6 1/2-1/2

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.26"]
[Round "4"]
[White "Silla, Mario"]
[Black "Colley, Raymond"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "122"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 Nge7 6. c3 dxc3 7. Nxc3 d6 8. Be3 Bxe3 9. fxe3 Be6 10. Bxe6 fxe6 11. Ng5 Qd7 12. Qb3 Nd8 13. Rf2 h6 14. Nh3 Qc6 15. Qd1 Qc5 16. Qf3 Kd7 17. Nf4 Rf8 18. Nd3 Qxc3 19. bxc3 Rxf3 20. Rxf3 e5 21. Rf8 Rc8 22. Rd1 Nec6 23. Rg8 Ne6 24. Rxc8 Kxc8 25. Kf1 Kd8 26. Ke2 Ke7 27. Rf1 Ncd8 28. Rb1 b6 29. Nf2 Nc5 30. h4 Nde6 31. g4 g6 32. Rc1 Nd7 33. Kf3 Ndc5 34. Rd1 Kd7 35. Rb1 Kc6 36. Rd1 Kb5 37. Rb1+ Kc4 38. Nd1 a5 39. Rc1 Nd3 40. Rb1 Nec5 41. h5 g5 42. Nf2 Kxc3 43. Nh3 Ne6 44. Ke2 Kc2 45. Rf1 Nc1+ 46. Ke1 Nd3+ 47. Ke2 Nc1+ 48. Ke1 Nxa2 49. Rf6 b5 50. Rxe6 b4 51. Rxh6 b3 52. Rf6 Nc3 53. Nxg5 Nd1 54. Rf7 b2 55. Rxc7+ Nc3 56. Rb7 a4 57. Rxb2+ Kxb2 58. h6 a3 59. h7 a2 60. h8Q a1Q+ 61. Kf2 Qd1 1/2-1/2

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.25"]
[Round "3"]
[White "Santos, Luis M"]
[Black "Silla, Mario"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2350"]
[PlyCount "41"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d4 cxd4 7. cxd4 exd4 8. Bf4 Nge7 9. Bd6 a6 10. Bc4 0-0 11. a4 b6 12. Nbd2 Bb7 13. Re1 h6 14. Nb3 Rc8 15. Rc1 Re8 16. Qd2 g5 17. Nbxd4 Nxd4 18. Nxd4 Ng6 19. f3 b5 20. axb5 Qb6 21. e5 1/2-1/2

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.24"]
[Round "2"]
[White "Silla, Mario"]
[Black "Peev, Peicho Chonev"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "2375"]
[PlyCount "66"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. d3 d5 4. exd5 exd5 5. d4 c4 6. Nf3 Nf6 7. Be2 Bb4 8. 0-0 0-0 9. Bg5 Be6 10. Nb1 h6 11. Be3 Nc6 12. c3 Bd6 13. Nbd2 b5 14. b4 a5 15. a3 Ng4 16. Qc2 Qd7 17. Rfe1 Bf5 18. Qb2 Nxe3 19. fxe3 Rfe8 20. Bd1 Qc7 21. Nf1 Ra7 22. Bc2 Bxc2 23. Qxc2 Rea8 24. Qb2 f5 25. Qc2 axb4 26. Qxf5 Qf7 27. Qxf7+ Kxf7 28. cxb4 Rxa3 29. Rxa3 Rxa3 30. Rb1 Nxb4 31. Ne5+ Ke6 32. Kf2 c3 33. Ke2 Ra2+ 0-1

[Event "Luanda Cidade"]
[Site "Luanda"]
[Date "1981.01.23"]
[Round "1"]
[White "Silla, Mario"]
[Black "Rakic, Tomislav"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "2425"]
[PlyCount "56"]
[EventDate "1981.01.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ANG"]
[EventCategory "2"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 Nc6 8. Bf4 Qh4 9. g3 Qe7 10. Qe2 Qxc5 11. 0-0-0 d6 12. exd6 Bxd6 13. Be3 Qa5 14. Rd5 exd5 15. Bb6+ Be6 16. Bxa5 dxc4 17. Bb4 Nxb4 18. cxb4 Bxb4 19. Nf3 0-0-0 20. Rd1 Rxd1+ 21. Qxd1 Rd8 22. Qa4 Bc5 23. Qc2 h6 24. Ne5 c3 25. bxc3 Ba3+ 26. Kb1 Rd5 27. Qa4 Bf5+ 28. Ka1 Rxe5 0-1

