[Event "Luanda Cidade"]
[White "Omuku, Emmanuel"]
[Black "Chaves, Carlos"]
[Site "Luanda"]
[Round "9"]
[Result "1-0"]
[Date "1981.01.31"]
[ECO "E06"]
[PlyCount "53"]
[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 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. Nf3 Re8 7. 0-0 c5 8. dxc5 Bxc5 9. Bg5 Be7 10. Rc1 dxc4 11. Ne5 Qxd1 12. Rfxd1 h6 13. Bxf6 Bxf6 14. Nxc4 Be7 15. Nb5 Na6 16. Ncd6 Rd8 17. Nxc8 Rxd1+ 18. Rxd1 Rxc8 19. Bxb7 Rb8 20. Bxa6 Rb6 21. Rd7 Rxa6 22. Rxe7 Rxa2 23. Nxa7 Rxb2 24. e3 Rb8 25. Nc6 Kf8 26. Rxf7+ Kxf7 27. Nxb8 1-0

[Event "Luanda Cidade"]
[White "Chaves, Carlos"]
[Black "Borges, Lucas Silvestre"]
[Site "Luanda"]
[Round "8"]
[Result "0-1"]
[Date "1981.01.30"]
[ECO "C07"]
[PlyCount "146"]
[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 e6 2. d4 d5 3. Nd2 c5 4. c3 dxe4 5. Nxe4 cxd4 6. Qxd4 Qxd4 7. cxd4 Nc6 8. Bb5 Bd7 9. Nf3 a6 10. Ba4 b5 11. Bb3 Be7 12. 0-0 Nf6 13. Nc5 Nxd4 14. Nxd7 Nxf3+ 15. gxf3 Nxd7 16. Bd1 0-0 17. Rb1 Rac8 18. b4 Bxb4 19. Rxb4 Rxc1 20. a4 Rc4 21. Rxc4 bxc4 22. Be2 Rc8 23. Rc1 a5 24. Rxc4 Rxc4 25. Bxc4 Kf8 26. Kf1 Ke7 27. Ke2 Kd6 28. f4 Kc5 29. Bb5 Nb6 30. Be8 f6 31. Bf7 Nxa4 32. Bxe6 Kb4 33. Kd2 Nc3 34. f3 a4 35. Kc2 a3 36. h4 Ne2 37. f5 Nd4+ 38. Kb1 Nxf3 39. h5 Nd2+ 40. Ka2 Nf1 41. Bg8 h6 42. Bf7 Ng3 43. Bg6 Kc4 44. Kxa3 Kd5 45. Kb3 Ke5 46. Kc3 Nxf5 47. Kd3 Kf4 48. Be8 Kg5 49. Ke4 Ng3+ 50. Kf3 Nxh5 51. Bf7 Nf4 52. Kg3 h5 53. Be8 h4+ 54. Kh2 f5 55. Bd7 Kf6 56. Bc8 g5 57. Bd7 g4 58. Bc8 Kg5 59. Bd7 g3+ 60. Kg1 h3 61. Bb5 Kg4 62. Ba6 h2+ 63. Kh1 Kf3 64. Be2+ Kf2 65. Bf1 g2+ 66. Bxg2 Nxg2 67. Kxh2 f4 68. Kh1 f3 69. Kh2 Ke2 70. Kh1 f2 71. Kxg2 f1Q+ 72. Kh2 Qf4+ 73. Kh1 Qg5 0-1

[Event "Luanda Cidade"]
[White "Ferreira, Rogerio"]
[Black "Chaves, Carlos"]
[Site "Luanda"]
[Round "7"]
[Result "1/2-1/2"]
[Date "1981.01.29"]
[ECO "B99"]
[PlyCount "54"]
[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 Nbd7 8. Qf3 Be7 9. 0-0-0 Qc7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Be3 16. Nxe6 Bxe6 17. fxe6 0-0 18. Nd5 Qa7 19. Re1 Bb6 20. Bh3 fxe6 21. Bxe6+ Kh8 22. Re2 Rac8 23. Bh3 Bd8 24. Ree1 Qf7 25. Qe2 Qf3 26. Bg2 Qxe2 27. Rxe2 Ng6 1/2-1/2

[Event "Luanda Cidade"]
[White "Chaves, Carlos"]
[Black "Sunye Neto, Jaime"]
[Site "Luanda"]
[Round "6"]
[Result "0-1"]
[Date "1981.01.28"]
[ECO "B23"]
[BlackElo "2435"]
[PlyCount "70"]
[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. f4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Bc4 e6 6. 0-0 Ne7 7. d3 0-0 8. e5 d5 9. Bb3 a6 10. a4 Nbc6 11. Qe1 Nf5 12. Qf2 b6 13. g4 Nfd4 14. Nxd4 Nxd4 15. g5 Nxb3 16. cxb3 Bb7 17. Qe2 Qd7 18. Rf2 b5 19. a5 Rac8 20. h4 d4 21. Ne4 Qd5 22. Rh2 c4 23. Nf6+ Bxf6 24. gxf6 h5 25. bxc4 bxc4 26. dxc4 Rxc4 27. Qd3 Rb4 28. Ra3 Rc8 29. Qd2 Rbc4 30. Ra1 Qc5 31. Re2 d3+ 32. Re3 Rxc1+ 33. Rxc1 Qxc1+ 34. Qxc1 Rxc1+ 35. Kf2 d2 0-1

[Event "Luanda Cidade"]
[White "Tompa, Janos"]
[Black "Chaves, Carlos"]
[Site "Luanda"]
[Round "5"]
[Result "1-0"]
[Date "1981.01.27"]
[ECO "A18"]
[WhiteElo "2420"]
[PlyCount "47"]
[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 Nf6 2. Nc3 e6 3. e4 Bb4 4. e5 Ng8 5. Qg4 Bf8 6. d4 d5 7. Bg5 Ne7 8. Bxe7 Qxe7 9. Nxd5 Qd7 10. Nc3 Nc6 11. Nf3 g6 12. 0-0-0 Bg7 13. h4 b6 14. h5 Bb7 15. hxg6 hxg6 16. Rxh8+ Bxh8 17. Qh4 Bg7 18. Ne4 Qe7 19. Nf6+ Bxf6 20. exf6 Qf8 21. d5 Nb4 22. dxe6 fxe6 23. Ne5 Rd8 24. f7+ 1-0

[Event "Luanda Cidade"]
[White "Chaves, Carlos"]
[Black "Gutierrez, Antonio"]
[Site "Luanda"]
[Round "4"]
[Result "0-1"]
[Date "1981.01.26"]
[ECO "C63"]
[PlyCount "100"]
[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. Bb5 f5 4. 0-0 fxe4 5. Bxc6 exf3 6. Bxf3 d5 7. d3 c6 8. Nc3 Bd6 9. Bh5+ g6 10. Bg4 Bxg4 11. Qxg4 Qe7 12. Bg5 Nf6 13. Qh4 0-0 14. Rae1 Qe6 15. a3 Nh5 16. Bh6 Rf7 17. d4 e4 18. f3 Be7 19. Bg5 Rf4 20. g4 Bxg5 21. Qxg5 Qf6 22. Qxf6 Nxf6 23. g5 Nh5 24. fxe4 Rg4+ 25. Kh1 Nf4 26. e5 Nh3 27. Re3 Nxg5 28. Rg3 Rxg3 29. hxg3 Rf8 30. Rxf8+ Kxf8 31. Kg2 h5 32. Kf2 Ne6 33. Ke3 g5 34. Ne2 Kf7 35. a4 a5 36. c3 Kg6 37. b4 axb4 38. cxb4 Nc7 39. Nc3 Kf5 40. Kf3 Ne6 41. Ne2 Nxd4+ 42. Nxd4+ Kxe5 43. Nb3 d4 44. a5 d3 45. Nc5 Kd4 46. Nxb7 Kc3 47. a6 d2 48. Ke2 Kc2 49. a7 d1Q+ 50. Ke3 Qg1+ 0-1

[Event "Luanda Cidade"]
[White "Colley, Raymond"]
[Black "Chaves, Carlos"]
[Site "Luanda"]
[Round "3"]
[Result "1-0"]
[Date "1981.01.25"]
[ECO "B98"]
[PlyCount "61"]
[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 h6 9. Bh4 Qc7 10. Bd3 Nbd7 11. Bf2 Nc5 12. 0-0 Nxd3 13. cxd3 0-0 14. Rac1 Qd8 15. Kh1 e5 16. Nf5 Bxf5 17. exf5 exf4 18. Qxb7 Ng4 19. Bd4 Bg5 20. Nd5 f3 21. gxf3 Rb8 22. Qxa6 Bxc1 23. Rxc1 Ne5 24. f6 gxf6 25. f4 Ra8 26. Qb5 Rb8 27. Qa4 Ra8 28. Qd1 Re8 29. fxe5 dxe5 30. Qg4+ Kf8 31. Bc5+ 1-0

[Event "Luanda Cidade"]
[White "Chaves, Carlos"]
[Black "Santos, Luis M"]
[Site "Luanda"]
[Round "2"]
[Result "0-1"]
[Date "1981.01.24"]
[ECO "B21"]
[BlackElo "2350"]
[PlyCount "90"]
[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. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. 0-0 Qb6 6. Bxc6 Qxc6 7. Nc3 Bxc3 8. dxc3 Qxe4 9. Qd3 Qxd3 10. cxd3 d6 11. d4 b6 12. Bd2 Bb7 13. Rae1 Nf6 14. h3 Bxf3 15. Rxf3 cxd4 16. cxd4 Nd5 17. Rc1 Kd7 18. a3 Rac8 19. Rff1 Rxc1 20. Rxc1 Rc8 21. Rxc8 Kxc8 22. Kf2 Kd7 23. Kf3 Ke6 24. Bc1 a5 25. g4 f5 26. Bd2 Nc7 27. Ke2 Kd5 28. Kd3 h5 29. gxh5 gxh5 30. Be1 Ne6 31. Bd2 Nxd4 32. Be3 Nc6 33. Bxb6 a4 34. h4 e5 35. fxe5 dxe5 36. Bf2 f4 37. b4 axb3 38. Kc3 Nd4 39. Bxd4 exd4+ 40. Kxb3 f3 41. a4 f2 42. a5 d3 43. a6 Kd4 44. a7 f1Q 45. a8Q Qb1+ 0-1

[Event "Luanda Cidade"]
[White "Peev, Peicho Chonev"]
[Black "Chaves, Carlos"]
[Site "Luanda"]
[Round "1"]
[Result "1-0"]
[Date "1981.01.23"]
[ECO "D61"]
[WhiteElo "2375"]
[PlyCount "75"]
[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 d5 2. Nf3 e6 3. c4 Be7 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 0-0 7. Qc2 Nbd7 8. e3 Re8 9. Rd1 dxc4 10. Bxc4 Nb6 11. Bb3 Nfd5 12. Bg3 Nxc3 13. bxc3 Bd6 14. e4 c6 15. 0-0 Qc7 16. Qd3 Bxg3 17. fxg3 c5 18. Bc2 c4 19. Qd2 Bd7 20. Ne5 Rf8 21. Rf3 Be8 22. Rdf1 f6 23. R3f2 Bh5 24. Nf3 Bg6 25. Nh4 Bh7 26. Qe2 g5 27. Nf3 Rf7 28. Ne5 Rff8 29. Rxf6 Rxf6 30. Rxf6 Re8 31. Qh5 Re7 32. Qxh6 Rg7 33. Rxe6 Qc8 34. Ng4 Nd7 35. Qh5 Nf8 36. Nf6+ Kh8 37. Re8 Qc7 38. Rxf8+ 1-0

