[Event "Elenite op"]
[Site "Elenite"]
[Date "1986.??.??"]
[Round "?"]
[White "Tsvetkov, Alexandar K"]
[Black "Ivanov, Stojan"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2280"]
[BlackElo "2290"]
[PlyCount "130"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 e5 8. d5 Nc5 9. b4 Ncxe4 10. Nxe4 Nxe4 11. Bxd8 Nxd2 12. Bxc7 e4 13. Rc1 e3 14. Bxd6 Ne4 15. Bg3 exf2+ 16. Bxf2 Bc3+ 17. Rxc3 Nxc3 18. a3 Re8 19. Kd2 Ne4+ 20. Ke1 b5 21. c5 Nc3 22. Kd2 Nb1+ 23. Kc2 Bf5+ 24. Kb2 a6 25. d6 Nd2 26. Bh4 Re3 27. Kc1 Nb3+ 28. Kd1 Rae8 29. Bg5 Rc3 30. Nf3 f6 31. Bf4 g5 32. Nxg5 fxg5 33. Bxg5 Bc2+ 34. Ke1 Nd4 35. Kd2 Nxe2 36. Re1 Bf5 37. Be7 Rc2+ 38. Ke3 Kf7 39. Rxe2 Rxe2+ 40. Kxe2 Bd7 41. Ke3 Bc6 42. g4 Ra8 43. Kd4 a5 44. Bg5 axb4 45. axb4 Rg8 46. h4 h6 47. Bxh6 Rxg4+ 48. Ke5 Re4+ 49. Kf5 Rxh4 50. Bd2 Rd4 51. Be1 Rd5+ 52. Kf4 Kf6 53. Bg3 Rd3 54. Be1 Rf3+ 55. Kg4 Rf1 56. Bd2 Ke5 57. Bc3+ Ke4 58. Kg5 Kd3 59. Bf6 Rb1 60. Kf5 Rxb4 61. Ke6 Re4+ 62. Be5 Kc4 63. d7 Rxe5+ 64. Kxe5 Bxd7 65. Kd6 Be8 0-1

[Event "Pernik Benderev Memorial-06"]
[Site "Pernik"]
[Date "1980.07.??"]
[Round "?"]
[White "Tsvetkov, Alexandar K"]
[Black "Pernishki, Luben"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2205"]
[PlyCount "58"]
[EventDate "1980.07.06"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 d5 5. dxe4 h6 6. Nf3 dxe4 7. Qxd8+ Kxd8 8. Ne5 Be6 9. Nc3 Nbd7 10. Bc4 Bxc4 11. Nxc4 e6 12. 0-0 Bc5 13. Bd2 c6 14. Rae1 b5 15. Na5 Kc7 16. Nxe4 Nxe4 17. Rxe4 e5 18. Be3 Bd6 19. Bd2 Rhf8 20. Nb3 Nf6 21. Re3 Rf7 22. Re2 Nd5 23. Rd1 Raf8 24. Be1 Rf6 25. f3 Rg6 26. Bg3 Rf5 27. Rdd2 Nb6 28. Nc1 Nc4 29. Rd1 Bc5+ 0-1

[Event "Varna-04"]
[Site "Varna"]
[Date "1965.09.09"]
[Round "4"]
[White "Tsvetkov, Alexandar K"]
[Black "Filipowicz, Andrzej"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "88"]
[EventDate "1965.09.05"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nf3 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 a6 8. a4 Bg7 9. Bd3 Bg4 10. h3 Bxf3 11. Qxf3 0-0 12. 0-0 Nbd7 13. Qe2 Re8 14. Be3 Rb8 15. Rfe1 Qc7 16. Rac1 Qa5 17. Bf4 Ne5 18. Bd2 b5 19. axb5 Nxd3 20. Qxd3 axb5 21. e5 c4 22. Qf3 Rxe5 23. Rxe5 dxe5 24. Ne4 Qa6 25. Nxf6+ Qxf6 26. Qa3 Rd8 27. Qc5 Qa6 28. Be3 Bf8 29. Qc6 Qxc6 30. dxc6 Rc8 31. Rd1 b4 32. Rd5 f6 33. f4 exf4 34. Bxf4 Rxc6 35. Kf2 Kf7 36. Ke2 Ke6 37. Rb5 c3 38. bxc3 bxc3 39. Bc1 Bd6 40. Kd3 Be5 41. Rb7 Rd6+ 42. Ke2 Ra6 43. g4 Ra1 44. Be3 c2 0-1

[Event "Ulaanbaatar"]
[Site "Ulaanbaatar"]
[Date "1965.??.??"]
[Round "?"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "79"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "MGL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3 Ne4 7. Qg4 Kf8 8. a3 Bxc3+ 9. bxc3 c5 10. Bd3 Nxc3 11. dxc5 Nc6 12. Nf3 Qa5 13. 0-0 Bd7 14. a4 Rb8 15. Ra3 Ne4 16. Bxe4 Qb4 17. Rd3 Qxe4 18. Qxe4 dxe4 19. Rxd7 exf3 20. Rb1 Kg8 21. Rbxb7 Rxb7 22. Rxb7 Kh7 23. Rxf7 Rd8 24. gxf3 Kg6 25. Rc7 Nxe5 26. Kg2 a5 27. c6 Rd5 28. Re7 Nc4 29. Rxe6+ Kf7 30. c7 Nxe3+ 31. fxe3 Rc5 32. Re5 Rxc7 33. Rxa5 Rxc2+ 34. Kg3 Re2 35. e4 g5 36. Ra8 h5 37. a5 Kg7 38. a6 h4+ 39. Kg4 Rg2+ 40. Kh5 1-0

[Event "Ulaanbaatar"]
[Site "Ulaanbaatar"]
[Date "1965.??.??"]
[Round "?"]
[White "Tsvetkov, Alexandar K"]
[Black "Ujtumen, Tudev"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "86"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "MGL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6 11. Nf3 Bb7 12. d4 Nxd4 13. Bg5 Nxf3+ 14. Qxf3 Qxg5 15. Bd5 e4 16. Qb3 Ba6 17. Qg3 Qxg3 18. hxg3 Kc8 19. 0-0-0 Bb7 20. Rd4 Bxd5 21. Rxd5 Kb7 22. Rhd1 Kc6 23. b4 Be7 24. Nxb6 axb6 25. c4 Ra8 26. c5 bxc5 27. Rxc5+ Kb6 28. Re5 Bf8 29. Kb1 Ra4 30. Rd4 Nb5 31. Rxd7 Rxb4+ 32. Kc2 Rc4+ 33. Kd1 Bc5 34. Re6+ Ka5 35. Rd2 Bb4 36. Rd5 Ka4 37. Ra6+ Ba5 38. Re5 Rc3 39. g4 Ra3 40. gxf5 gxf5 41. Rxf5 Rxa2 42. Kc1 Kb4 43. Ra8 Nc3 0-1

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.27"]
[Round "15"]
[White "Tsvetkov, Alexandar K"]
[Black "Czerniak, Moshe"]
[Result "0-1"]
[ECO "D79"]
[PlyCount "180"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. d4 g6 5. cxd5 cxd5 6. Nc3 Nc6 7. Nf3 Bg7 8. 0-0 0-0 9. Ne5 Bf5 10. h3 Qb6 11. Nxc6 Qxc6 12. Bg5 Rad8 13. Rc1 Qd7 14. Bxf6 exf6 15. Nxd5 Be6 16. Nf4 Bxa2 17. e3 Rc8 18. Qd3 g5 19. Nh5 Be6 20. Kh2 Rfd8 21. Rfd1 Bf5 22. e4 Rxc1 23. Rxc1 Bg6 24. Nxg7 Kxg7 25. d5 Qd6 26. Qd4 a6 27. Kg1 Rd7 28. Rc8 Re7 29. g4 h5 30. f3 h4 31. b4 Qg3 32. Qc3 Bh7 33. Kf1 Qf4 34. Kg1 Qg3 35. Kf1 Qf4 36. Kg1 Qg3 37. Qd2 Qe5 38. Rc5 Rd7 39. Qc3 Qg3 40. Qd2 Qe5 41. Kf1 Qg3 42. Qc1 Qd6 43. Qc3 Re7 44. Qd4 Qf4 45. Qf2 Rd7 46. Kg1 Re7 47. Bf1 Qe5 48. b5 axb5 49. Bxb5 Qa1+ 50. Bf1 Qe5 51. Rc4 b5 52. Rb4 Rc7 53. Rxb5 Rc1 54. Rb2 Qf4 55. Rd2 Qd6 56. Rb2 Qf4 57. Rd2 Qd6 58. Kg2 Rc3 59. Bd3 Qf4 60. Rd1 Qe5 61. Kf1 Ra3 62. Be2 Qd6 63. Rd2 Bg8 64. Bd1 f5 65. gxf5 f6 66. Qh2 Qa6+ 67. Kg1 Qb6+ 68. Qf2 Qd6 69. Kh1 Bf7 70. Qh2 Qa6 71. Qf2 Qd6 72. Kg2 Bh5 73. Be2 Qf4 74. Rd3 Ra6 75. Rd1 Ra2 76. Kf1 Rxe2 77. Kxe2 Qxe4+ 78. Kf1 Bxf3 79. Rd4 Qxf5 80. d6 Qxh3+ 81. Ke1 Qe6+ 82. Kd2 Bd5 83. Qh2 Bc6 84. Qe2 Qa2+ 85. Ke1 Qa1+ 86. Rd1 Qc3+ 87. Qd2 Qg3+ 88. Qf2 Qe5+ 89. Kf1 Kg6 90. Qd4 Bb5+ 0-1

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.26"]
[Round "14"]
[White "Velimirovic, Dragoljub"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "C91"]
[PlyCount "72"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. h3 Bh5 11. d5 Na5 12. Bc2 c6 13. dxc6 Qc7 14. Bg5 Nxc6 15. Nbd2 Rfd8 16. Bxf6 Bxf6 17. Nf1 Bxf3 18. Qxf3 Bg5 19. Bb3 Ra7 20. Qg4 Bh6 21. Ng3 g6 22. Nf5 Bf8 23. Ne3 Qd7 24. Qf3 Kh8 25. Red1 Bh6 26. Rd3 Qe8 27. Rad1 Qf8 28. R1d2 Rad7 29. Bd5 Na7 30. Qd1 Nc8 31. a4 Ne7 32. axb5 axb5 33. Qb3 Nxd5 34. Qxd5 f5 35. Qxb5 fxe4 36. Qd5 exd3 0-1

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.25"]
[Round "13"]
[White "Tsvetkov, Alexandar K"]
[Black "Filipowicz, Andrzej"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "69"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. e3 d6 6. d4 g6 7. Nge2 Bg7 8. b3 0-0 9. Bb2 Nh5 10. Nd5 f4 11. exf4 exf4 12. Ndxf4 Nxf4 13. Nxf4 Re8+ 14. Kf1 Bf5 15. Qd2 Kh8 16. h4 h5 17. Bf3 Qf6 18. Nd5 Qf7 19. Kg2 Rf8 20. Nf4 Qf6 21. Rad1 Kh7 22. Rhe1 Rae8 23. Rxe8 Rxe8 24. b4 Nd8 25. Ba1 Qf8 26. Re1 Rxe1 27. Qxe1 Qh8 28. Qe7 c6 29. Qxd6 Qe8 30. Bc3 Be4 31. Qc7 Nf7 32. Nh3 Kg8 33. Ng5 Nxg5 34. hxg5 Qe6 35. Qxg7+ 1-0

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.23"]
[Round "12"]
[White "Tolush, Alexander V"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C94"]
[PlyCount "94"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d3 Nbd7 11. Nbd2 Bb7 12. Nf1 Nc5 13. Bc2 Re8 14. Ng3 Bf8 15. b4 Ncd7 16. Nd2 d5 17. Nb3 Rc8 18. a4 c5 19. axb5 axb5 20. Bd2 dxe4 21. dxe4 c4 22. Na5 Ba8 23. Qf3 Re6 24. Rad1 Qc7 25. Nf5 Ne8 26. Bg5 Nd6 27. Ne3 Nb6 28. Nd5 Bxd5 29. exd5 Ree8 30. Qg3 Nd7 31. Nc6 f6 32. Qh4 h6 33. Bc1 f5 34. Qg3 Kh7 35. h4 g6 36. h5 g5 37. Bxg5 hxg5 38. Qxg5 Bg7 39. Re3 Nf8 40. Bxf5+ Nxf5 41. Qxf5+ Kg8 42. h6 Bxh6 43. Rg3+ Bg7 44. Re1 Qf7 45. Rxe5 Nd7 46. Qxf7+ Kxf7 47. Rf5+ Bf6 1/2-1/2

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.22"]
[Round "11"]
[White "Tsvetkov, Alexandar K"]
[Black "Schmidt, Wlodzimierz"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "80"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 c5 6. Nge2 Nc6 7. 0-0 d6 8. h3 Ne8 9. d3 Nc7 10. f4 f5 11. Be3 Nd4 12. Rb1 Rb8 13. b4 b6 14. Bf2 Bd7 15. bxc5 bxc5 16. Nxd4 cxd4 17. Ne2 e5 18. exf5 gxf5 19. Qc2 Qe7 20. Rfe1 Ne6 21. Kh2 Qf6 22. Bd5 Kh8 23. Bxe6 Bxe6 24. Qa4 Qf7 25. Qc6 Qd7 26. Qa6 Bf7 27. Ng1 e4 28. Rec1 Rfc8 29. Qa3 Rxb1 30. Rxb1 exd3 31. Qxd3 Bxc4 32. Qd2 d3 33. Nf3 Re8 34. Re1 Re4 35. Qb4 Qe8 36. Qxc4 Rxe1 37. Bxe1 Qe2+ 38. Kg1 h6 39. Qc8+ Kh7 40. Qxf5+ Kh8 1-0

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.21"]
[Round "10"]
[White "Zinn, Lothar"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "90"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. Nxd4 Nxd4 9. Qxd4 Nc5 10. Nc3 0-0 11. Bg5 Nxa4 12. Bxe7 Qxe7 13. Nxa4 b6 14. Rad1 Bb7 15. Rd3 Rad8 16. f4 Rfe8 17. Rfd1 h6 18. Nc3 d6 19. Nd5 Bxd5 20. Qxd5 dxe5 21. Qxd8 Rxd8 22. Rxd8+ Kh7 23. fxe5 Qxe5 24. c3 f5 25. h3 f4 26. Rf1 g5 27. a3 Kg6 28. Rg8+ Kf7 29. Rd8 Kg6 30. Rg8+ Kh5 31. Rf3 a5 32. Rc8 Kh4 33. Rd8 c5 34. Kh2 h5 35. Rf8 a4 36. Kg1 b5 37. Rf2 Qe3 38. Rf5 Qe1+ 39. Rf1 Qd2 40. Re5 b4 41. axb4 cxb4 42. Re4 a3 43. Rxb4 axb2 44. Rf2 Qc1+ 45. Rf1 Kg3 0-1

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.19"]
[Round "9"]
[White "Tsvetkov, Alexandar K"]
[Black "Kostro, Jerzy"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "75"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. e4 Bb7 10. Rd1 Rc8 11. e5 Ne8 12. Nb3 dxc4 13. Qxc4 Nc7 14. Bd2 Nd5 15. Rac1 h6 16. Qe2 Rc7 17. Ne1 c5 18. dxc5 Nxc5 19. Nxc5 Bxc5 20. Qg4 Kh8 21. Nd3 f5 22. Qh5 Bd4 23. Rxc7 Qxc7 24. Rc1 Qe7 25. Rc4 Bc5 26. Nxc5 bxc5 27. Bxh6 gxh6 28. Qxh6+ Kg8 29. Rh4 Qg7 30. Qxe6+ Qf7 31. Qh6 Qg7 32. Qd6 Nb6 33. Qe6+ Qf7 34. Qh6 Qg7 35. Bxb7 Re8 36. f4 Rd8 37. Qe6+ Qf7 38. Rh8+ 1-0

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.18"]
[Round "8"]
[White "Parma, Bruno"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "121"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d6 3. f4 Nf6 4. Nc3 Qc7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. g4 Nbd7 9. Bd2 0-0-0 10. 0-0-0 Be7 11. Kb1 d5 12. e5 Ne8 13. f5 Rf8 14. Ne2 Qb6 15. Qb3 Nc7 16. Qxb6 Nxb6 17. Nf4 Nd7 18. Bd3 Rh8 19. Rdf1 Rdf8 20. h4 Kd8 21. Nh5 Rfg8 22. Bf4 Ne8 23. Be3 f6 24. fxe6 Nf8 25. exf6 Nxf6 26. Nxf6 gxf6 27. Bf5 h5 28. Rfg1 hxg4 29. Bf4 Ng6 30. Bg3 Bf8 31. Bxg4 Bh6 32. Bf2 Bf4 33. c3 Ke7 34. Bf5 Nf8 35. Bh3 Kd6 36. Re1 Ng6 37. e7 f5 38. Bxf5 Nxe7 39. Re6+ Kd7 40. Bh3 Kd8 41. Rhe1 Rh7 42. Rf6 Bh2 43. a4 a5 44. Ka2 Rgg7 45. Re2 Kc7 46. Be1 Bd6 47. Rg2 Rxg2 48. Bxg2 Ng8 49. Rg6 Ne7 50. Rg5 Bf4 51. Rg4 Bd6 52. Bf1 Nf5 53. Bd3 Rh5 54. Rg5 Rxg5 55. hxg5 Ng7 56. g6 Kd7 57. Bf1 Bf8 58. Bh3+ Ne6 59. Bg3 Bh6 60. Bf4 Bf8 61. Be5 1-0

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.17"]
[Round "7"]
[White "Pietrusiak, Bogdan"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "114"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d3 5. Bxd3 d6 6. 0-0 Be7 7. Re1 Nf6 8. Nbd2 0-0 9. Nf1 Ne5 10. Nxe5 dxe5 11. Bg5 Ng4 12. Bxe7 Qxe7 13. h3 Nf6 14. Bc4 g6 15. Ne3 c6 16. Qf3 Be6 17. Rad1 Rad8 18. Bxe6 Qxe6 19. b3 Kg7 20. Ng4 Nxg4 21. Qxg4 Qxg4 22. hxg4 Kf6 23. f3 Kg5 24. Kf2 h5 25. gxh5 Kxh5 26. g3 Kg5 27. Ke3 Kf6 28. Rh1 Ke6 29. Rxd8 Rxd8 30. Ke2 a5 31. a4 b5 32. Ra1 Ra8 33. Ke3 g5 34. f4 g4 35. fxe5 Kxe5 36. Rf1 Ke6 37. Rf5 Rb8 38. Kf4 bxa4 39. bxa4 Rb3 40. Rxa5 Rxc3 41. Kxg4 Ra3 42. Kf4 c5 43. Ra6+ Kd7 44. Ra7+ Ke6 45. Ra6+ Kd7 46. Ra7+ Ke6 47. a5 c4 48. a6 c3 49. Ke3 c2+ 50. Kd2 Rxg3 51. Kxc2 Ra3 52. Ra8 Ke5 53. Kb2 Ra5 54. a7 Kf6 55. e5+ Kg7 56. Kc3 Ra6 57. Kd4 Ra1 1/2-1/2

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.15"]
[Round "6"]
[White "Tsvetkov, Alexandar K"]
[Black "Novopashin, Arkady"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "54"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. a3 e5 6. Rb1 a5 7. d3 Nge7 8. Nf3 0-0 9. 0-0 f5 10. Ne1 d6 11. Nc2 Be6 12. b4 cxb4 13. axb4 d5 14. b5 Nd4 15. Ne3 dxc4 16. Nxc4 e4 17. Na4 Rc8 18. Nab6 Rc5 19. Bd2 Nxb5 20. Bxa5 Nc6 21. Na4 Nxa5 22. Nxc5 Bxc4 23. dxc4 Qxd1 24. Rbxd1 Nc3 25. Rd7 Rf7 26. Rd8+ Rf8 27. Rd7 Rf7 1/2-1/2

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.14"]
[Round "5"]
[White "Balcerowski, Witold"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "D66"]
[PlyCount "111"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 h6 7. Bf4 0-0 8. Rc1 c6 9. Bd3 Nh5 10. Be5 Nxe5 11. Nxe5 Nf6 12. 0-0 Nd7 13. Nf3 Bd6 14. e4 dxc4 15. Bxc4 e5 16. d5 Nb6 17. Bb3 cxd5 18. Nxd5 Nxd5 19. Qxd5 Qe7 20. Rfd1 Rd8 21. h3 Be6 22. Qb5 Bxb3 23. Qxb3 Rac8 24. Rxc8 Rxc8 25. Qd5 Rc6 26. g3 g6 27. Kg2 Kg7 28. Rd3 Qe6 29. Qxe6 fxe6 30. Rc3 Rxc3 31. bxc3 Kf6 32. Kf1 b5 33. Ke2 b4 34. c4 Bc5 35. Ne1 Ke7 36. Nd3 Kd6 37. Kd2 a5 38. Kc2 a4 39. f3 Bd4 40. Nxb4 Kc5 41. Na6+ Kxc4 42. Nc7 Bf2 43. g4 Kd4 44. Nxe6+ Ke3 45. Nf8 g5 46. Nd7 Bg3 47. Nf6 Kxf3 48. Kc3 Kg2 49. Kb4 Kxh3 50. Kxa4 Bf4 51. Kb5 h5 52. Nxh5 Kxg4 53. Nf6+ Kf3 54. Kc6 g4 55. Nxg4 Kxg4 56. Kd5 0-1

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.13"]
[Round "4"]
[White "Tsvetkov, Alexandar K"]
[Black "Witkowski, Stefan"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "124"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. b3 e5 7. Ba3 Be7 8. Rc1 Nba6 9. Nf3 f6 10. 0-0 b5 11. Bb2 Bb7 12. e3 0-0 13. d4 cxd4 14. exd4 e4 15. Ne1 f5 16. Nc2 Bg5 17. Ra1 Bf6 18. Qe2 b4 19. Na4 Nd5 20. Rfe1 Rc8 21. Ne3 Nxe3 22. fxe3 Qd5 23. Rac1 Qa5 24. Bf1 Be7 25. Qb5 Qxb5 26. Bxb5 Rxc1 27. Rxc1 Rc8 28. Bc4+ Kh8 29. Be6 Rf8 30. d5 Bd6 31. Rf1 Nc7 32. Bxf5 Bxd5 33. Bd7 Rd8 34. Bg4 Be7 35. Rd1 Bg5 36. Kf2 Rf8+ 37. Ke2 h5 38. Bxh5 Bc6 39. Re1 Bb5+ 40. Kd1 Rd8+ 41. Kc1 Rd3 42. Nc5 Bxe3+ 43. Rxe3 Rxe3 44. Kd2 Nd5 45. Bd4 Rc3 46. Bxc3 e3+ 47. Kc2 Nxc3 48. Nd3 Nxa2 49. Nf4 Nc3 50. Ng2 e2 51. Kd2 Ne4+ 52. Ke3 Nc5 53. Bf7 a5 54. Bd5 g6 55. Kd2 Nd3 56. Be4 Nc5 57. Bd5 g5 58. h4 gxh4 59. gxh4 a4 60. bxa4 Nxa4 61. Nf4 Nc3 62. Bb3 Kg7 1/2-1/2

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.11"]
[Round "3"]
[White "Doda, Zbigniew"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "A88"]
[PlyCount "92"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. d4 0-0 7. Nc3 c6 8. Re1 Na6 9. b3 Nh5 10. e3 Qe8 11. Ba3 h6 12. e4 fxe4 13. Nxe4 Qf7 14. Re3 g5 15. Qd2 Bf5 16. Rae1 Qg6 17. Bb2 Rf7 18. d5 Raf8 19. Nd4 cxd5 20. cxd5 Nc7 21. Nxf5 Qxf5 22. Rf3 Qg6 23. Rxf7 Qxf7 24. Bxg7 Nxg7 25. Rc1 Nce8 26. Qa5 Kh8 27. Rc4 a6 28. Qb6 Nf6 29. Nxf6 Qxf6 30. Rc1 Rb8 31. Qc7 Qf8 32. Re1 Nf5 33. Bh3 Nd4 34. Rxe7 Re8 35. Rxe8 Qxe8 36. Qc8 Qxc8 37. Bxc8 Ne2+ 38. Kf1 Nc3 39. Bxb7 Nxa2 40. Bxa6 Nb4 41. Bc4 Kg7 42. Ke2 Kf6 43. Ke3 Ke5 44. f4+ gxf4+ 45. gxf4+ Kf5 46. Kf3 h5 1-0

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.10"]
[Round "2"]
[White "Tsvetkov, Alexandar K"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "152"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 0-0 7. Nf3 e5 8. Bg5 h6 9. Bd2 Nh5 10. Qc1 Nf4 11. Bxf4 exf4 12. Qxf4 f5 13. Qd2 g5 14. h3 a6 15. exf5 Bxf5 16. a4 Nd7 17. 0-0 Nf6 18. Nh2 Qe8 19. Rae1 Ne4 20. Nxe4 Qxe4 21. Rd1 Qc2 22. Ng4 Qxa4 23. Ne3 Qb4 24. Nxf5 Rxf5 25. Qd3 Raf8 26. Bg4 Rf4 27. b3 Qc3 28. g3 Qxd3 29. Rxd3 Re4 30. Kg2 Bd4 31. Rf3 Rxf3 32. Kxf3 Re8 33. Bd7 Rf8+ 34. Ke2 Be5 35. Rd1 Kg7 36. Rd3 Rb8 37. Rf3 b5 38. cxb5 axb5 39. Kd3 Bf6 40. Re3 Be5 41. Re4 Rf8 42. Ke2 b4 43. h4 Kg6 44. Bb5 Kh5 45. Kf1 Kg6 46. Bd3 Kf6 47. Kg2 Ke7 48. Rg4 Bd4 49. f3 Bf6 50. Re4+ Be5 51. Be2 Kd7 52. Kh3 Kd8 53. Kg4 Rg8 54. h5 Ke7 55. Bd3 Kd7 56. Re2 Ra8 57. f4 gxf4 58. gxf4 Rg8+ 59. Bg6 Bd4 60. Ra2 c4 61. bxc4 b3 62. Ra5 Rb8 63. Rb5 Rxb5 64. cxb5 Ke7 65. Bd3 Kf6 66. Kf3 b2 67. Ke4 Bb6 68. Bb1 Bc5 69. Kf3 Bb6 70. Ke2 Bg1 71. Bd3 Ba7 72. Kd2 Bd4 73. Bb1 Bg1 74. Bc2 Ba7 75. Kc3 b1Q 76. Bxb1 Bg1 1/2-1/2

[Event "Rubinstein Memorial-02"]
[Site "Polanica Zdroj"]
[Date "1964.08.09"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "75"]
[EventDate "1964.08.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Bg5 f6 7. Be3 Nbc6 8. Nb3 Ng6 9. h4 Be7 10. h5 Nge5 11. f4 Nf7 12. Qf3 d6 13. 0-0-0 Bd7 14. f5 Nfe5 15. Qg3 0-0 16. fxe6 Bxe6 17. Nd5 Rc8 18. Kb1 Rf7 19. Bb6 Qf8 20. Nf4 Bd7 21. Nd4 Bd8 22. Bxd8 Qxd8 23. Nf5 Bxf5 24. exf5 Ne7 25. Bd3 Qa5 26. Be4 Nc4 27. Qc3 Qxc3 28. bxc3 Rc5 29. Rd4 h6 30. Re1 Rf8 31. Bd3 Ne5 32. Ne6 Nxd3 33. Rxd3 Rb5+ 34. Kc1 Rc8 35. Rxd6 Rd5 36. Rd1 Rxd1+ 37. Rxd1 Kf7 38. Kd2 1-0

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.07.03"]
[Round "15"]
[White "Tsvetkov, Alexandar K"]
[Black "Golovko, Nikolay Grigorievic"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "90"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bb4 4. Qf3 0-0 5. Nge2 d6 6. d3 Bg4 7. Qg3 Bxe2 8. Kxe2 c6 9. Bh6 Ne8 10. Bg5 Qd7 11. Qh3 Nc7 12. Qxd7 Nxd7 13. Bb3 Nc5 14. Nd1 d5 15. c3 Nxb3 16. axb3 Bd6 17. exd5 cxd5 18. Be3 Ne6 19. f3 Rfe8 20. Nf2 f5 21. Ra5 d4 22. Bd2 b6 23. Ra2 a5 24. Kd1 dxc3 25. bxc3 Bc5 26. Nh3 Rad8 27. Re1 Rd5 28. f4 Red8 29. Kc1 Kf7 30. b4 axb4 31. cxb4 Bd6 32. Ra7+ Kf8 33. fxe5 Rxe5 34. Rf1 Nd4 35. Kd1 Nc6 36. d4 Nxd4 37. Ng5 Bb8 38. Rb7 Nb3 39. Rf2 Re7 40. Rxf5+ Ke8 41. Rxe7+ Kxe7 42. Nf3 Bxh2 43. Kc2 Rxd2+ 44. Kxb3 Rxg2 45. Kc4 Rf2 0-1

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.29"]
[Round "11"]
[White "Tsvetkov, Alexandar K"]
[Black "Filipowicz, Andrzej"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "83"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. d3 Nc6 4. Nd2 g6 5. Ngf3 Bg7 6. g3 0-0 7. Bg2 Rb8 8. a4 a6 9. 0-0 b5 10. axb5 axb5 11. Re1 d6 12. Nf1 b4 13. d4 bxc3 14. bxc3 Na5 15. dxc5 Ne8 16. e5 Nb3 17. Rb1 Be6 18. exd6 exd6 19. Bg5 Qc8 20. Be7 Nxc5 21. Nd4 Rxb1 22. Qxb1 Bd7 23. Bxf8 Kxf8 24. Rc1 Na4 25. Qb4 Qc5 26. Nb3 Qe5 27. Nd4 Nxc3 28. Qxc3 Qxd4 29. Qa5 Bh6 30. Re1 Qc5 31. Qd8 Be6 32. Rb1 Qc8 33. Qh4 Kg7 34. Qd4+ Kg8 35. Ne3 Bg7 36. Qa7 Qc5 37. Qe7 Qc8 38. Nd5 Qd7 39. Qh4 h6 40. Rb7 g5 41. Rxd7 gxh4 42. Rd8 1-0

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.28"]
[Round "10"]
[White "Seifert, Milan"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "105"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be2 Nf6 6. 0-0 0-0 7. e5 Ne8 8. d5 d6 9. e6 fxe6 10. dxe6 Nc6 11. Re1 Nf6 12. Bc4 a6 13. Bg5 b5 14. Bxf6 Bxf6 15. Bd5 Bb7 16. Ne4 Qc7 17. c3 Bg7 18. Neg5 Nd8 19. h4 Rf5 20. Bb3 h6 21. Nf7 Nxf7 22. exf7+ Kf8 23. Bc2 Rf6 24. h5 g5 25. Bg6 Rd8 26. Re3 e5 27. a4 Re6 28. axb5 axb5 29. Qb3 Re7 30. Qxb5 Bd5 31. Qd3 Be6 32. c4 Qb8 33. Rb1 d5 34. cxd5 Rxd5 35. Qa6 Bf6 36. Qc6 Rd8 37. Qxc5 Rc8 38. Qa3 Kg7 39. Qd3 Ba2 40. Rbe1 Bc4 41. Qb1 Rd8 42. b3 Rb7 43. Qf5 Bd5 44. Nxe5 Qd6 45. Ng4 Bd4 46. Re8 Bxf7 47. Rxd8 Qxd8 48. Bxf7 Rxf7 49. Qg6+ Kf8 50. Qxh6+ Kg8 51. Qe6 Kf8 52. h6 Bc5 53. h7 1-0

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.27"]
[Round "9"]
[White "Tsvetkov, Alexandar K"]
[Black "Ozsvath, Andras"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "74"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. Bxf6 exf6 6. dxc5 0-0 7. e3 Qa5 8. Bd3 Nc6 9. 0-0 Qxc5 10. c3 f5 11. Nb3 Qe7 12. Bc4 d6 13. Qd2 Be6 14. Bd5 Rad8 15. Rad1 Qf6 16. Rfe1 Rfe8 17. e4 f4 18. Nfd4 Bxd5 19. exd5 Ne5 20. Qe2 Re7 21. Nf3 Rde8 22. Kf1 g5 23. Nxe5 Rxe5 24. Qd3 g4 25. Rxe5 Qxe5 26. Kg1 Qh5 27. Nd2 f3 28. Nf1 Be5 29. Kh1 Bf4 30. Qd4 Qh6 31. Qxa7 Re5 32. Qxb7 fxg2+ 33. Kxg2 Qh3+ 34. Kg1 g3 35. hxg3 Rh5 36. f3 Bxg3 37. Qc8+ Qxc8 0-1

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.26"]
[Round "8"]
[White "Tzend, Donoy"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "97"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Nf3 c6 5. d3 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. a3 Nc5 9. b4 Ne6 10. b5 Bd7 11. a4 Ne8 12. d4 exd4 13. Nxd4 Bf6 14. Be3 Nc5 15. Rc1 Rc8 16. Ne4 Nxe4 17. Bxe4 g6 18. Bg2 Ng7 19. Qd2 Qc7 20. Rfd1 Rfd8 21. a5 c5 22. Nf3 Be6 23. Bg5 Ne8 24. e4 Bg4 25. Re1 Bxf3 26. Bxf6 Nxf6 27. Bxf3 Re8 28. Bg2 Rcd8 29. h3 Nh5 30. Rb1 Qe7 31. Re3 Ng7 32. Qd5 Ne6 33. e5 b6 34. axb6 dxe5 35. Qxe5 axb6 36. Bd5 Qg5 37. Rbe1 Qxe5 38. Rxe5 Nc7 39. Rxe8+ Rxe8 40. Rxe8+ Nxe8 41. f4 Nc7 42. Bf3 Kf8 43. Kf2 Ke7 44. Ke3 Kd6 45. Bg4 f6 46. Bf3 Ne6 47. Bd5 Nd4 48. Be4 Ke7 49. Bd5 1/2-1/2

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.25"]
[Round "7"]
[White "Tsvetkov, Alexandar K"]
[Black "Kadrev, Zdravko Minchev"]
[Result "1/2-1/2"]
[ECO "D67"]
[PlyCount "29"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 N5f6 12. Ng3 Qb4+ 13. Qd2 Qxd2+ 14. Kxd2 b6 15. Rhd1 1/2-1/2

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.20"]
[Round "2"]
[White "Hennings, Artur"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "46"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. Nbd2 c5 8. Nc4 Qe7 9. a4 Nd7 10. a5 Nf8 11. Ne3 Be6 12. Nd2 Ng6 13. Ndc4 Qd7 14. g4 0-0-0 15. Nf5 Bf8 16. Be3 f6 17. h4 Nf4 18. Bxf4 exf4 19. h5 Rg8 20. Rg1 g6 21. hxg6 hxg6 22. Nh4 Bxc4 23. dxc4 Qh7 0-1

[Event "Warsaw Pact Armed Forces"]
[Site "Moscow"]
[Date "1964.06.19"]
[Round "1"]
[White "Tsvetkov, Alexandar K"]
[Black "Savon, Vladimir A"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "81"]
[EventDate "1964.06.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. e3 b6 6. Bd3 Bb7 7. 0-0 0-0 8. c3 d5 9. Ne5 Nfd7 10. Ng4 f6 11. Bh6 Bxh6 12. Nxh6+ Kg7 13. Nf5+ gxf5 14. Bxf5 Qe8 15. Qg4+ Kh8 16. Qh3 Rf7 17. Bg6 Nf8 18. Bxf7 Qxf7 19. f4 Nbd7 20. Rf3 Ba6 21. g4 Ne6 22. Rg3 Rg8 23. Nf3 Bd3 24. Nh4 Nc7 25. Rd1 c4 26. f5 Nf8 27. Ng2 Ne8 28. Nf4 Nd6 29. Nxd3 cxd3 30. Rxd3 e6 31. Rd1 Ne4 32. Rg2 Ng5 33. Qh6 exf5 34. gxf5 Qe7 35. Kh1 Nd7 36. h4 Qe4 37. hxg5 Qf3 38. Rdd2 Rxg5 39. Kg1 Qxe3+ 40. Kh1 Qf3 41. Kg1 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.26"]
[Round "19"]
[White "Tsvetkov, Alexandar K"]
[Black "Chipev, Teodor Antonov"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "32"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Nf6 8. Nc3 0-0 9. Be2 Re8 10. f3 d6 11. 0-0 Be6 12. Rad1 d5 13. exd5 Nxd5 14. Nxd5 Qxd5 15. Qxd5 Bxd5 16. Rxd5 Rxe2 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.24"]
[Round "18"]
[White "Radulov, Ivan"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "68"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Bc5 8. Be3 d6 9. Qe2 b5 10. Rae1 Bb7 11. Nb3 Nbd7 12. Bd2 Bb6 13. Kh1 Bc6 14. f4 Qb7 15. Be3 b4 16. Bxb6 Qxb6 17. Nd1 e5 18. Ne3 0-0 19. Nf5 Bb7 20. Nd2 Qc7 21. Qf2 g6 22. fxe5 dxe5 23. Nh6+ Kg7 24. Qh4 Qd8 25. Qh3 Nc5 26. Nc4 Ncxe4 27. Bxe4 Nxe4 28. Nxf7 Qd4 29. Qh6+ Kg8 30. Ne3 Qc5 31. Ng4 Qd5 32. Qh3 Rxf7 33. Nh6+ Kg7 34. Rxf7+ Qxf7 0-1

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.23"]
[Round "17"]
[White "Tsvetkov, Alexandar K"]
[Black "Daskalov, Georgi Ilchev"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "59"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Bc4 d6 4. Nf3 Nf6 5. Qe2 0-0 6. Nc3 c6 7. 0-0 b5 8. Bd3 a6 9. a4 b4 10. Nd1 a5 11. Ne3 d5 12. exd5 cxd5 13. c4 Bb7 14. c5 Nfd7 15. Bb5 e5 16. Nxe5 Nxe5 17. dxe5 Bxe5 18. Ng4 Bg7 19. Bh6 Nc6 20. Bxg7 Kxg7 21. Qd2 Rc8 22. Rfe1 Qh4 23. Bxc6 Bxc6 24. Qd4+ f6 25. Re7+ Kh8 26. g3 Qg5 27. h4 Qf5 28. Nh6 Qh5 29. Nf7+ Kg8 30. Qxf6 1-0

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.22"]
[Round "16"]
[White "Padevsky, Nikola Bochev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C87"]
[PlyCount "60"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. c3 Nd7 8. d4 Bf6 9. Be3 0-0 10. Nbd2 Re8 11. d5 Ne7 12. c4 c5 13. a3 g6 14. b4 b6 15. bxc5 bxc5 16. Nb3 Rf8 17. Bd2 Nb6 18. Ba5 Bg4 19. Rb1 Nec8 20. Nbd2 Qc7 21. Bc6 Rb8 22. Re3 Bd8 23. h3 Bd7 24. Bxd7 Qxd7 25. Qc2 Bc7 26. Ree1 Ne7 27. Rb2 Rb7 28. Bc3 Rfb8 29. Reb1 Bd8 30. Kh1 f6 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.20"]
[Round "15"]
[White "Tsvetkov, Alexandar K"]
[Black "Orev, Petar"]
[Result "1/2-1/2"]
[ECO "D14"]
[PlyCount "62"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Rac1 Rfc8 13. a3 a6 14. Rc2 Rc7 15. Rfc1 Rac8 16. Na4 Na5 17. Ne5 Nd7 18. Nxd7 Qxd7 19. Nb6 Rxc2 20. Rxc2 Rxc2 21. Qxc2 Qc6 22. Qxc6 Nxc6 23. Kf1 Kf8 24. Ke2 Ke7 25. Kd3 Kd6 26. b4 Nb8 27. Na4 Nd7 28. Kc3 Kc6 29. Kb3 Nb8 30. Nc5 b6 31. Nd3 Nd7 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.19"]
[Round "14"]
[White "Minev, Nikolay Nikolaev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "A87"]
[PlyCount "55"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. d5 c5 8. Nc3 Nbd7 9. Qc2 Ne5 10. b3 Ne4 11. Bb2 Nxf3+ 12. Bxf3 Ng5 13. Bg2 f4 14. Ne4 Bxb2 15. Qxb2 Nxe4 16. Bxe4 Bh3 17. Bg2 Qd7 18. Rad1 Rf6 19. Rd3 Raf8 20. Bxh3 Qxh3 21. gxf4 Qh4 22. Rg3 Rxf4 23. f3 Qh5 24. Qd2 Qe5 25. e3 R4f5 26. a4 b6 27. f4 Qf6 28. Qg2 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.18"]
[Round "13"]
[White "Tsvetkov, Alexandar K"]
[Black "Stefanov, Josif Jovchev"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "46"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. h3 c6 10. Be3 Qe7 11. Qc2 Nc5 12. Rad1 Bf5 13. Qc1 Rad8 14. Rxd8 Rxd8 15. Rd1 Rxd1+ 16. Qxd1 Nfe4 17. Nxe4 Bxe4 18. Qd2 Bf8 19. Qc3 Bxf3 20. Bxf3 f5 21. Bg2 e4 22. Qd4 Qd6 23. Qxd6 Bxd6 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.15"]
[Round "12"]
[White "Kaikamdzozov, Jivko"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "D01"]
[PlyCount "62"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. Bxf6 gxf6 5. e4 dxe4 6. dxc5 Qa5 7. Qh5 Bg7 8. Bb5+ Nc6 9. Nge2 0-0 10. 0-0 Ne5 11. Nd4 Bg4 12. Qh4 Qd8 13. Be2 Qxd4 14. Bxg4 e3 15. f4 Ng6 16. Qg3 Qxc5 17. Ne4 Qd4 18. Nc3 Rad8 19. Kh1 Qb6 20. h4 Qxb2 21. Ne4 Qd4 22. Bf3 f5 23. c3 Qc4 24. Rae1 fxe4 25. Be2 Qxc3 26. h5 Qf6 27. hxg6 hxg6 28. Qxe3 Qh4+ 29. Qh3 Qxh3+ 30. gxh3 Rd4 31. Rg1 Kh7 0-1

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.14"]
[Round "11"]
[White "Tsvetkov, Alexandar K"]
[Black "Bobekov, Radko"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "71"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d3 g6 5. e4 Bg7 6. h3 0-0 7. Bg5 h6 8. Be3 Nc6 9. Qd2 Kh7 10. Be2 Nd7 11. d4 f5 12. exf5 gxf5 13. dxe5 dxe5 14. g3 e4 15. Nd4 Nxd4 16. Bxd4 Ne5 17. Bc5 Qxd2+ 18. Kxd2 Rd8+ 19. Kc2 Be6 20. g4 fxg4 21. hxg4 Bxc4 22. Bxc4 Nxc4 23. Nxe4 Re8 24. Rae1 b6 25. Bb4 Ne5 26. g5 Nf3 27. Re3 Nd4+ 28. Kb1 Nf5 29. Ree1 c5 30. Bd2 Rf8 31. Rh3 Rad8 32. gxh6 Bd4 33. Ng5+ Kh8 34. Ne6 Bxf2 35. Bc3+ Nd4 36. Rf1 1-0

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.13"]
[Round "10"]
[White "Neikirkh, Oleg"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "61"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 d6 5. e4 Be7 6. h3 0-0 7. Be3 a6 8. d4 exd4 9. Nxd4 Re8 10. Be2 Bd7 11. 0-0 Bf8 12. Qb1 Nxd4 13. Bxd4 Bc6 14. Bf3 g6 15. Qc2 Bg7 16. Rad1 b5 17. c5 b4 18. Nd5 Nxd5 19. Bxg7 Kxg7 20. exd5 Bb5 21. Rfe1 Qf6 22. c6 Re5 23. Rxe5 Qxe5 24. b3 Re8 25. Qd2 a5 26. Kh1 Ra8 27. Kg1 h5 28. Re1 Qf6 29. Kh1 Ba6 30. Kg1 Bb5 31. Re3 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.11"]
[Round "9"]
[White "Prahov, Valentin Asenov"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "83"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d6 4. d4 Qc7 5. Bf4 Nd7 6. Nbd2 e5 7. Bg3 Be7 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qh5 Bf6 11. Nc4 g6 12. Bxe5 Qe7 13. Bxf6 Nxf6 14. Qe2 Nxe4 15. 0-0-0 Kf8 16. Qe3 Ng5 17. Nb6 Qxe3+ 18. fxe3 Rb8 19. Bc4 Kg7 20. h4 Ne4 21. Nxc8 Rhxc8 22. Rd7 Rf8 23. Rf1 Nf6 24. Rd6 Ne4 25. Rd7 Nf6 26. Rd6 Ne4 27. Rb6 Rbd8 28. Rxb7 Nd6 29. Bxa6 Nxb7 30. Bxb7 Rd7 31. Bf3 f5 32. Rd1 Rfd8 33. Rxd7+ Rxd7 34. b4 cxb4 35. cxb4 Kf6 36. a4 Ke5 37. a5 Kd6 38. a6 Re7 39. Kd2 h6 40. Kd3 g5 41. hxg5 hxg5 42. g3 1-0

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.10"]
[Round "8"]
[White "Tsvetkov, Alexandar K"]
[Black "Kolarov, Atanas Stefanov"]
[Result "0-1"]
[ECO "A54"]
[PlyCount "140"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. g3 c6 6. Bg2 g6 7. h3 e4 8. Nd2 d5 9. cxd5 cxd5 10. Nf1 Nb6 11. Ne3 Be6 12. 0-0 Qd7 13. Kh2 Bd6 14. a4 h5 15. a5 Nc8 16. h4 Ne7 17. Qa4 Ng4+ 18. Kg1 Rc8 19. Nxg4 hxg4 20. Bg5 Qxa4 21. Rxa4 f5 22. a6 b6 23. e3 Nc6 24. Nb5 Bb8 25. Rc1 Na5 26. Raa1 Kd7 27. Rc3 Nc4 28. Rb1 Nd2 29. Rd1 Rxc3 30. Nxc3 Nf3+ 31. Bxf3 gxf3 32. Kf1 Rc8 33. Ke1 Bd6 34. Kd2 Bb4 35. Kc2 Rc4 36. Ra1 b5 37. Kb3 Kc6 38. Bd8 Bc8 39. h5 gxh5 40. Rh1 Bxa6 41. Rxh5 Bxc3 42. bxc3 b4 43. cxb4 Rc1 44. Rh6+ Kb7 45. Rh7+ Kc8 46. Bh4 Bc4+ 47. Kb2 Rh1 48. Rh8+ Kd7 49. Bf6 Rf1 50. Rh2 Rg1 51. Be5 Bf1 52. Kc3 Rg2 53. g4 fxg4 54. Kd2 Kc6 55. Rh1 Bc4 56. Rh2 Kb5 57. Kc3 Ka4 58. b5 Kxb5 59. Bd6 a5 60. Bc7 a4 61. Rh6 a3 62. Rb6+ Ka5 63. Rb3+ Ka6 64. Rxa3+ Kb7 65. Bf4 Rxf2 66. Ra1 Rg2 67. Rh1 f2 68. Kb4 f1Q 69. Rh7+ Kc6 70. Rh6+ Kd7 0-1

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.09"]
[Round "7"]
[White "Pantaleev, Dimitar Dimitrov"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "C85"]
[PlyCount "104"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. Qe1 Nd7 8. d4 exd4 9. Nxd4 Ne5 10. Nb3 0-0 11. Qc3 Ng6 12. f4 f5 13. e5 Be6 14. Be3 Bd5 15. N1d2 b6 16. Rad1 Qe8 17. Nf3 Rd8 18. Qe1 c5 19. Nbd2 c4 20. Nb1 Bb7 21. Rxd8 Qxd8 22. Qe2 b5 23. Rd1 Qc8 24. Nc3 Rd8 25. a4 Rxd1+ 26. Qxd1 c6 27. Ne2 Nf8 28. Ng3 g6 29. h4 Qd8 30. Qxd8 Bxd8 31. h5 Ne6 32. hxg6 hxg6 33. Ne2 Be7 34. Nc3 Kf7 35. Kf2 Nc5 36. Nd2 Ke6 37. Ke2 Nd7 38. b3 b4 39. Nd1 c3 40. Nf3 c5 41. Bf2 Nb6 42. Ne3 Nd5 43. Nxd5 Bxd5 44. Nh4 Kf7 45. Nf3 Ke6 46. Nh4 c4 47. Nxg6 cxb3 48. cxb3 Bxb3 49. Nxe7 Bc4+ 50. Kd1 b3 51. Bd4 b2 52. Kc2 Ba2 0-1

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.07"]
[Round "6"]
[White "Tsvetkov, Alexandar K"]
[Black "Spiridonov, Nikola"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "76"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 c5 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 e6 6. Nge2 Nge7 7. d4 cxd4 8. exd4 d5 9. cxd5 exd5 10. 0-0 0-0 11. Be3 Be6 12. Nf4 Qa5 13. a3 Rfd8 14. b4 Qc7 15. Rc1 Qd7 16. Re1 Rac8 17. Qd3 Nf5 18. Ncxd5 Ncxd4 19. Bxd4 Nxd4 20. Rxc8 Rxc8 21. Nxe6 fxe6 22. Nf4 Qf7 23. Qe4 b6 24. Bh3 Re8 25. Bxe6 Nxe6 26. Nxe6 Bd4 27. Qxd4 Rxe6 28. Rc1 h5 29. Rc8+ Re8 30. Rc6 Kh7 31. Kg2 Rf8 32. f4 Rc8 33. b5 Rxc6 34. bxc6 Qa2+ 35. Kf3 Qb3+ 36. Qe3 Qd1+ 37. Qe2 Qh1+ 38. Qg2 Qc1 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.06"]
[Round "5"]
[White "Pelitov, Dimitar"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "88"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be2 Nc6 6. Be3 Nf6 7. 0-0 Ng4 8. Bd2 cxd4 9. Nd5 Qd8 10. Bg5 d6 11. Bb5 f6 12. Nxd4 Bd7 13. Bh4 Nge5 14. f4 Nf7 15. Kh1 0-0 16. Bc4 Rc8 17. f5 Nce5 18. Bb3 Kh8 19. Nf4 Qe8 20. Nfe6 Rg8 21. Qe1 Bh6 22. fxg6 Rxg6 23. Qe2 Nd8 24. c3 Nxe6 25. Bxe6 Bxe6 26. Nxe6 Qd7 27. Nd4 Rcg8 28. Bg3 Qg4 29. Qxg4 Nxg4 30. Nf5 Bf8 31. Rf3 Nh6 32. Rd1 Nf7 33. c4 Rg4 34. Rf4 e6 35. Rxg4 Rxg4 36. Nxd6 Bxd6 37. Bxd6 Rxe4 38. Be7 Kg7 39. h3 Re2 40. Rf1 f5 41. Bb4 Kf6 42. Bc3+ Kg6 43. Rd1 Ne5 44. Bxe5 Rxe5 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.05"]
[Round "4"]
[White "Tsvetkov, Alexandar K"]
[Black "Milev, Zdravko"]
[Result "1/2-1/2"]
[ECO "D67"]
[PlyCount "61"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 N5f6 12. Ng3 Qb4+ 13. Qd2 Qxd2+ 14. Kxd2 b6 15. Rhd1 Bb7 16. Ke2 Rfd8 17. Rc2 Kf8 18. Rcd2 Ke7 19. h3 h6 20. Ne1 c5 21. dxc5 Nxc5 22. Rxd8 Rxd8 23. Rxd8 Kxd8 24. f3 Ba6 25. Bxa6 Nxa6 26. Nd3 Ke7 27. e4 Nb8 28. Ke3 Nc6 29. Ne2 Ne8 30. Nd4 Nxd4 31. Kxd4 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.03"]
[Round "3"]
[White "Kadrev, Zdravko Minchev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "79"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. cxd5 Nxd5 6. Bc4 Bg7 7. Nge2 0-0 8. e4 Nc7 9. Be3 Nd7 10. 0-0 e5 11. Bb3 exd4 12. Nxd4 Qe7 13. f3 Nc5 14. Qe1 Rd8 15. Rd1 Nxb3 16. Nxb3 Be6 17. Rxd8+ Qxd8 18. Qe2 Bxb3 19. axb3 Ne6 20. Rd1 Qc7 21. g3 h5 22. f4 Rd8 23. Rxd8+ Qxd8 24. e5 Qa5 25. Kg2 Bf8 26. Ne4 Be7 27. Qd2 Qxd2+ 28. Nxd2 b6 29. Kf3 f6 30. Ke4 Kf7 31. Nf3 Bc5 32. exf6 Kxf6 33. Ne5 Bxe3 34. Kxe3 c5 35. Nc6 a6 36. Nb8 Nd4 37. Nd7+ Kf5 38. Nxb6 Nxb3 39. Nc4 Nd4 40. h3 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.02"]
[Round "2"]
[White "Tsvetkov, Alexandar K"]
[Black "Bobotsov, Milko Georgiev"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "86"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 c5 7. c3 b6 8. 0-0 Bb7 9. Qc2 Nc6 10. Rfe1 Rc8 11. a3 Re8 12. Rad1 c4 13. Bf1 Na5 14. Bxf6 exf6 15. e4 dxe4 16. Nxe4 Qd5 17. Ned2 Bh6 18. Rxe8+ Rxe8 19. Re1 Rxe1 20. Nxe1 Bc6 21. Qd1 Kg7 22. Qe2 b5 23. Nc2 Qe6 24. Ne3 Nb7 25. g3 Bxe3 26. fxe3 Nd6 27. Bg2 Bxg2 28. Kxg2 f5 29. Qf3 h5 30. Qf4 f6 31. h4 a6 32. Qf3 Ne4 33. Nxe4 Qxe4 34. Kf2 Qc2+ 35. Qe2 Qe4 36. Qd1 Kf7 37. b3 Qd5 38. b4 Qe4 39. a4 Ke6 40. axb5 axb5 41. Qa1 Qc2+ 42. Kg1 Qa4 43. Qf1 Kf7 1/2-1/2

[Event "BUL-ch18"]
[Site "Sofia"]
[Date "1964.03.01"]
[Round "1"]
[White "Popov, Luben"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "D70"]
[PlyCount "113"]
[EventDate "1964.03.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. e3 Bg7 6. Bd3 Bf5 7. Be2 0-0 8. 0-0 Ne4 9. Qb3 Qb6 10. Qa3 Re8 11. cxd5 cxd5 12. Nxe4 Bxe4 13. Bd2 Nc6 14. Rac1 Bf8 15. Qb3 Qxb3 16. axb3 Rec8 17. b4 a6 18. b5 axb5 19. Bxb5 e6 20. Bxc6 bxc6 21. Ne5 c5 22. dxc5 Bxc5 23. f3 Bf5 24. Nd7 Be7 25. Bc3 Bd8 26. Nf6+ Bxf6 27. Bxf6 Bd3 28. Rxc8+ Rxc8 29. Ra1 h6 30. h4 Bb5 31. Ra5 Bc6 32. Ra7 Kf8 33. Kh2 Ke8 34. Kg3 Bd7 35. Kf4 Rb8 36. Ke5 h5 37. g4 Bb5 38. gxh5 gxh5 39. Re7+ Kf8 40. Rc7 Kg8 41. Rc2 Bd3 42. Rd2 Rb3 43. Be7 Bf1 44. Bc5 Kg7 45. Rf2 Bd3 46. Rg2+ Bg6 47. f4 Kh6 48. Kf6 Kh7 49. Bd4 Rb8 50. Rg1 Rb3 51. Rc1 Rb8 52. Rc7 Kh6 53. Be5 Rg8 54. b4 Rb8 55. Rxf7 Rxb4 56. Rd7 Rb6 57. Bd6 1-0

[Event "Baku"]
[Site "Baku"]
[Date "1964.??.??"]
[Round "?"]
[White "Tsvetkov, Alexandar K"]
[Black "Gufeld, Eduard"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "64"]
[EventDate "1964.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Bg5 c5 7. d5 e6 8. Be2 h6 9. Bf4 e5 10. Bd2 Nh5 11. Qc1 Nf4 12. Bxf4 exf4 13. Qxf4 f5 14. exf5 g5 15. Qc1 Bxf5 16. h3 Nd7 17. Qd2 a6 18. 0-0 Qe8 19. Nh2 Ne5 20. Nd1 Qg6 21. Ne3 Bd7 22. Rae1 b5 23. b3 Rf4 24. Nhg4 h5 25. Nxe5 Bxe5 26. Qd3 Qf7 27. Qd1 Rh4 28. g3 Rxh3 29. Bf3 Rf8 30. Bg2 Bd4 31. Qd2 Qg7 32. Nc2 Bc3 1/2-1/2

[Event "Baku"]
[Site "Baku"]
[Date "1964.??.??"]
[Round "?"]
[White "Yudovich, Mikhail Mikhailovic"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "75"]
[EventDate "1964.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 b4 9. axb4 Bxb4 10. 0-0 0-0 11. e5 Bxg2 12. Kxg2 Ne8 13. Ne4 Be7 14. Qf3 Nc6 15. Nxc6 dxc6 16. Rd1 Qc7 17. Bf4 Ra7 18. Ra4 Qb7 19. Be3 Ra8 20. b3 f5 21. exf6 Nxf6 22. Nxf6+ Rxf6 23. Qe4 Raf8 24. Rc4 Qb5 25. Rd7 R8f7 26. Rxc6 Qe2 27. Rc8+ Bf8 28. Rxf7 Rxf7 29. Qa8 Qh5 30. Bc5 Qf5 31. Rxf8+ Rxf8 32. Qxf8+ Qxf8 33. Bxf8 Kxf8 34. Kf3 Ke7 35. Ke4 Kd6 36. b4 e5 37. c4 Ke6 38. c5 1-0

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.26"]
[Round "19"]
[White "Chipev, Teodor Antonov"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B48"]
[PlyCount "60"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Bd3 Nc6 7. Be3 b5 8. 0-0 Nf6 9. a3 Ne5 10. Bf4 d6 11. Bg3 Be7 12. Qe2 0-0 13. Rad1 Bb7 14. Rfe1 Rac8 15. Nf3 Nxd3 16. cxd3 Rfd8 17. Rc1 Qb6 18. Rc2 Rd7 19. Rec1 Rdc7 20. Nd1 Rxc2 21. Rxc2 Rxc2 22. Qxc2 Qc6 23. Qxc6 Bxc6 24. Nd4 Bb7 25. Nc3 Kf8 26. Kf1 Ke8 27. Ke2 Kd7 28. b4 h6 29. f3 Bd8 30. Bf2 Bc7 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.24"]
[Round "18"]
[White "Tsvetkov, Alexandar K"]
[Black "Pantaleev, Dimitar Dimitrov"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "51"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 0-0 6. Nc3 Bg4 7. e5 Nfd7 8. e6 Nb6 9. exf7+ Kh8 10. Be6 Bxf3 11. Qxf3 Nc6 12. Ne2 Nb4 13. Qb3 c5 14. Nf4 Bxd4 15. c3 g5 16. cxd4 gxf4 17. d5 N4xd5 18. Bxd5 Nxd5 19. Qxd5 e5 20. Qe6 Kg7 21. g3 Rxf7 22. gxf4 exf4 23. Rg1+ Kf8 24. Bxf4 Qa5+ 25. Ke2 Qa6+ 26. Ke3 1-0

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.23"]
[Round "17"]
[White "Minev, Nikolay Nikolaev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "59"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Be7 6. Bd3 b6 7. 0-0 Ba6 8. b3 0-0 9. Bb2 Nbd7 10. e4 dxe4 11. Nxe4 Qc7 12. Qe2 Rfe8 13. Rfe1 Rad8 14. Rad1 h6 15. Bb1 Bb4 16. Nxf6+ Nxf6 17. Rf1 Bd6 18. Qc2 Kf8 19. h3 Be7 20. Ne5 c5 21. dxc5 Qxc5 22. Ng4 Bb7 23. Nxf6 Bxf6 24. Bxf6 gxf6 25. Qh7 Qh5 26. Rd3 Ke7 27. Rxd8 Rxd8 28. Be4 Rd1 29. Rxd1 Qxd1+ 30. Kh2 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.22"]
[Round "16"]
[White "Tsvetkov, Alexandar K"]
[Black "Milev, Angel"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "72"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 Nc6 4. Nc3 Be6 5. b3 g6 6. Bb2 Bg7 7. e3 f5 8. d4 exd4 9. Nb5 Bc8 10. Ne2 a6 11. Nbxd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Qf6 14. 0-0-0 Qxd4 15. Rxd4 Nf6 16. Nf4 Rb8 17. Nd5 Nxd5 18. Bxd5 Ke7 19. Re1 Kf6 20. h4 Re8 21. Kc2 Be6 22. Red1 Bxd5 23. Rxd5 Re5 24. Kc3 Rxd5 25. Rxd5 Re8 26. c5 dxc5 27. Rxc5 Re7 28. Rd5 Re6 29. Rc5 Re7 30. Rc4 Rd7 31. Rd4 Re7 32. a4 Re5 33. Rc4 Re7 34. b4 Rd7 35. Rd4 Re7 36. Kd3 h5 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.20"]
[Round "15"]
[White "Orev, Petar"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "149"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 a6 6. Nc3 Rb8 7. a4 d6 8. d3 Nf6 9. Bd2 0-0 10. Qc1 Re8 11. Bh6 Bh8 12. h3 Nd4 13. Nxd4 cxd4 14. Nd5 Nd7 15. Bg5 Nc5 16. Qc2 f6 17. Bd2 e6 18. Nf4 Nd7 19. e3 dxe3 20. fxe3 Nf8 21. b4 f5 22. Bc3 Bd7 23. Bxh8 Kxh8 24. d4 Qe7 25. b5 axb5 26. axb5 Rec8 27. Qb3 g5 28. Nd3 e5 29. Nb4 Qg7 30. Qd3 Ng6 31. Nd5 Be6 32. Nb6 Rf8 33. c5 e4 34. Qd2 d5 35. Kh2 Qh6 36. Ra3 f4 37. exf4 gxf4 38. gxf4 Rxf4 39. Rxf4 Nxf4 40. Rg3 Qf6 41. Qf2 Rf8 42. Ra3 Qg7 43. Rg3 Qe7 44. Qe3 Qf6 45. Qf2 Qd8 46. Qe3 Qf6 47. Qf2 Qh6 48. Qd2 Qh4 49. Qf2 Qf6 50. Qe3 h5 51. Qf2 h4 52. Ra3 Qg5 53. Bf1 Rg8 54. Ra8 Qg3+ 55. Qxg3 hxg3+ 56. Kg1 e3 57. Rxg8+ Kxg8 58. c6 bxc6 59. bxc6 e2 60. Bxe2 Nxe2+ 61. Kg2 Nxd4 62. c7 Nf5 63. c8Q+ Bxc8 64. Nxc8 d4 65. Nb6 Kg7 66. Nc4 Kf6 67. h4 Ke6 68. Kf3 d3 69. Nd2 Ke5 70. Nc4+ Kd5 71. Nd2 Ke5 72. Nc4+ Kd5 73. Nd2 Kd4 74. Nb1 Ke5 75. Nd2 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.19"]
[Round "14"]
[White "Tsvetkov, Alexandar K"]
[Black "Kostov Petkov, Petko"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "44"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 e5 4. Ne2 Nc6 5. c3 d6 6. d4 Nge7 7. Be3 0-0 8. d5 Nb8 9. Qd2 f5 10. f3 fxe4 11. fxe4 Bg4 12. Na3 Qd7 13. 0-0-0 Bh3 14. Ng1 Bxg2 15. Qxg2 Na6 16. Ne2 Nc5 17. g4 Qa4 18. Bxc5 dxc5 19. h4 h6 20. g5 h5 21. c4 Nc8 22. Nc3 Qd7 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.18"]
[Round "13"]
[White "Tsvetkov, Alexandar K"]
[Black "Peev, Peicho Chonev"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "96"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 Nc6 4. Nc3 e6 5. e4 Be7 6. Nge2 0-0 7. 0-0 a6 8. d3 Rb8 9. h3 b5 10. b3 b4 11. Na4 d5 12. cxd5 exd5 13. Be3 d4 14. Bf4 Rb7 15. Rc1 Nd7 16. Rc2 Na7 17. Nb2 Nb5 18. Nc4 Nc3 19. Qe1 Re8 20. g4 Nf8 21. Bg3 Be6 22. Nd2 a5 23. f4 f6 24. f5 Bf7 25. e5 Bd5 26. e6 a4 27. Bxd5 Qxd5 28. Nf4 Qc6 29. Qf2 Rd8 30. Nc4 Ra7 31. Nh5 g6 32. fxg6 Qxe6 33. Re1 Qc6 34. g5 Nxg6 35. gxf6 Bf8 36. Ne5 Nxe5 37. Bxe5 Bh6 38. Kh2 Rf7 39. Qg3+ Kh8 40. Rg2 Nd5 41. Reg1 Qe8 42. Kh1 Ne3 43. Nf4 Nxg2 44. Rxg2 axb3 45. axb3 Qd7 46. Kh2 Qf5 47. Nd5 Qg5 48. Qe1 Qf5 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.16"]
[Round "12"]
[White "Tringov, Georgi Petrov"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B88"]
[PlyCount "58"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 Qc7 9. 0-0 Nc6 10. Be3 Bd7 11. f5 Nxd4 12. Bxd4 e5 13. Bf2 Bc6 14. Qe2 b5 15. Rfd1 Qb7 16. Nd5 Nxd5 17. Bxd5 Rc8 18. c3 0-0 19. a4 b4 20. Be1 bxc3 21. Bxc3 Bg5 22. Kh1 Rfd8 23. Rd3 Bxd5 24. Rxd5 Rc5 25. Rad1 Rxd5 26. Rxd5 Be7 27. h3 Rc8 28. Qd3 h6 29. Qe2 Rc6 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.15"]
[Round "11"]
[White "Tsvetkov, Alexandar K"]
[Black "Bobotsov, Milko Georgiev"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "139"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 e6 6. a3 Nge7 7. b4 cxb4 8. axb4 d5 9. c5 e5 10. Ba3 a6 11. Na4 Be6 12. d3 0-0 13. Nf3 h6 14. 0-0 Qc7 15. Ne1 d4 16. Nb6 Rad8 17. Nc2 Nd5 18. Nxd5 Bxd5 19. b5 Bxg2 20. Kxg2 axb5 21. Rxb5 Rfe8 22. Qb1 Rd7 23. Qb3 e4 24. dxe4 Rxe4 25. Qd3 Ree7 26. Rb6 Qe5 27. Re1 f5 28. Nb4 Nxb4 29. Bxb4 Qd5+ 30. Qf3 Qxf3+ 31. Kxf3 Re4 32. Rxg6 d3 33. Bc3 dxe2 34. Bxg7 Rxg7 35. Rxg7+ Kxg7 36. Rxe2 Rc4 37. Re7+ Kf6 38. Rh7 Rc3+ 39. Kf4 Rc4+ 40. Ke3 Kg6 41. Rc7 Rc2 42. Kf3 Rc3+ 43. Kg2 Rc4 44. h4 Rc3 45. Rxb7 Rxc5 46. Rb6+ Kg7 47. h5 Rc1 48. Rg6+ Kh7 49. Rf6 Rc5 50. Rf7+ Kg8 51. Rd7 Ra5 52. Kf3 Rb5 53. Kf4 Ra5 54. Re7 Rb5 55. f3 Ra5 56. Re5 Ra7 57. Kxf5 Kg7 58. f4 Rf7+ 59. Ke4 Ra7 60. g4 Ra1 61. Kf5 Ra7 62. g5 Kf7 63. Rd5 Rb7 64. g6+ Ke7 65. Re5+ Kf8 66. Re6 Ra7 67. Kf6 Rf7+ 68. Ke5 Rb7 69. f5 Ra7 70. Rb6 1-0

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.14"]
[Round "10"]
[White "Kadrev, Zdravko Minchev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "75"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Qa5 9. f3 Rd8 10. Qd2 d5 11. exd5 Nxd4 12. Bxd4 b5 13. 0-0-0 Bb7 14. Rhe1 b4 15. Rxe7 bxc3 16. Bxc3 Qb5 17. a4 Qa6 18. d6 Rf8 19. Qf4 Bd5 20. Bxf6 Bxb3 21. cxb3 Bxf6 22. Qxf6 Rab8 23. Re3 Rb7 24. Kb1 Qb6 25. Qd4 Qxd4 26. Rxd4 Rd8 27. Re7 Rdd7 28. Rxd7 Rxd7 29. Kc2 Kf8 30. Kc3 Ke8 31. Kc4 Kd8 32. Kc5 f5 33. Rb4 Kc8 34. Kc6 Rf7 35. a5 f4 36. a6 Rf6 37. Rb7 h5 38. b4 1-0

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.12"]
[Round "9"]
[White "Tsvetkov, Alexandar K"]
[Black "Mlechev, Hristo"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "86"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be2 Be7 7. 0-0 0-0 8. Ne5 Qd8 9. Bf3 Nbd7 10. Qe2 cxd4 11. cxd4 Nb6 12. Rd1 Nbd5 13. Nc3 h6 14. g3 Bd7 15. Bd2 Rc8 16. Rac1 a6 17. Re1 Re8 18. Bh5 Rf8 19. Bf3 Re8 20. Bg2 Bd6 21. Qd3 Nb4 22. Qb1 Nbd5 23. Ne4 Rxc1 24. Qxc1 Nxe4 25. Bxe4 Bf8 26. Qb1 Bd6 27. Bh7+ Kf8 28. Qd1 Nf6 29. Bb1 Bb5 30. a4 Bd7 31. Bc3 Nd5 32. Qc2 Bxe5 33. dxe5 Nxc3 34. Qxc3 Qe7 35. Qd4 Bc6 36. Rd1 Bd5 37. Qc3 Bc6 38. Qd4 Bd5 39. Rc1 Bc6 40. Rd1 Bd5 41. Be4 Bxe4 42. Qxe4 Rd8 43. Rc1 g6 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.11"]
[Round "8"]
[White "Dimitrov Iliev, Ilia"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "34"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6 8. f3 Bc5 9. Be3 0-0 10. Nc3 Re8 11. Kf2 Nd7 12. Nde2 Bf8 13. Rad1 Ne5 14. b3 f6 15. Rd2 Be6 16. Rhd1 Bf7 17. h3 c5 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.10"]
[Round "7"]
[White "Tsvetkov, Alexandar K"]
[Black "Zahariev, Georgi"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "63"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. Qc2 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 dxc4 8. Qxc4 Nbd7 9. Nc3 h6 10. d4 Nb6 11. Qb3 Be6 12. Qc2 Qc8 13. Rd1 Bh3 14. Bh1 Qf5 15. e4 Qh5 16. Ne2 g5 17. Ne1 e5 18. f3 exd4 19. Nxd4 Rad8 20. Be3 Bc8 21. Rd2 Qg6 22. Rad1 Rfe8 23. a4 Bf8 24. Nd3 Nbd5 25. Bf2 Nb4 26. Nxb4 Bxb4 27. Rd3 a5 28. Bg2 g4 29. Nf5 Rxd3 30. Qxd3 gxf3 31. Bxf3 Kh7 32. Nh4 1-0

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.08"]
[Round "6"]
[White "Popov, Luben"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "85"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nge2 0-0 7. Ng3 Ne8 8. Bd3 g6 9. Qc2 Na6 10. a3 Nac7 11. b4 b6 12. 0-0 Ng7 13. Bd2 Bd7 14. bxc5 bxc5 15. f4 h5 16. f5 h4 17. Nh1 Nce8 18. Rf3 Nf6 19. Raf1 Nh7 20. Nd1 Rb8 21. Ne3 Bg5 22. Nf2 gxf5 23. exf5 f6 24. Ne4 Be8 25. Ng4 Bh5 26. h3 Rb7 27. Nxg5 Nxg5 28. Bxg5 Bxg4 29. hxg4 fxg5 30. f6 Ne8 31. Qd2 Nxf6 32. Rxf6 Rxf6 33. Qxg5+ Rg7 34. Qxf6 Qxf6 35. Rxf6 Rxg4 36. Rxd6 e4 37. Be2 Rg3 38. Rh6 Rxa3 39. Rxh4 e3 40. Re4 Kf7 41. d6 Ra6 42. d7 Rd6 43. Bg4 1-0

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.07"]
[Round "5"]
[White "Tsvetkov, Alexandar K"]
[Black "Neikirkh, Oleg"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "35"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 e5 5. d3 Bg7 6. Nge2 Ne7 7. Be3 Nbc6 8. 0-0 0-0 9. Qd2 Nd4 10. Nd1 Bh3 11. c3 Bxg2 12. Kxg2 Ne6 13. c4 f5 14. f3 Nd4 15. Ndc3 Ne6 16. Nd1 Nd4 17. Ndc3 Ne6 18. Nd1 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.06"]
[Round "4"]
[White "Bogdanov, Emil"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "66"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. Nxc6 bxc6 8. e5 d5 9. exf6 dxc4 10. Qf3 Qd6 11. 0-0 Qxf6 12. Qe4 Qg6 13. Qxc4 Bh3 14. Bg5 h6 15. gxh3 hxg5 16. Rad1 Rh4 17. Qd3 Qxd3 18. Rxd3 Rd8 19. Rfd1 Rxd3 20. Rxd3 e6 21. b3 Bc5 22. Kg2 Ke7 23. Ne2 f5 24. Rc3 Kd6 25. Rg3 Rh5 26. Rd3+ Kc7 27. Nd4 Rh6 28. Nf3 Be7 29. Ne5 Bf6 30. Nd7 Be7 31. Ne5 Bf6 32. Nd7 Be7 33. Ne5 Bf6 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.04"]
[Round "3"]
[White "Tsvetkov, Alexandar K"]
[Black "Popov, Vladilen"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "159"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nf3 Nc6 5. 0-0 d6 6. Nc3 a6 7. e3 Be6 8. Qe2 Rb8 9. Rd1 Qc8 10. Ng5 Bg4 11. f3 Bd7 12. Nge4 Nf6 13. Nxf6+ Bxf6 14. Nd5 Bg7 15. d4 b6 16. Qf2 Be6 17. dxc5 bxc5 18. Bf1 0-0 19. Rb1 a5 20. Bd3 a4 21. b3 Bxd5 22. cxd5 Ne5 23. Bc2 axb3 24. axb3 Ra8 25. f4 Ng4 26. Qe2 Ra2 27. Qc4 Qa8 28. Bd2 Nf6 29. e4 Ng4 30. h3 Bd4+ 31. Kg2 Nf6 32. b4 Nd7 33. Bb3 Ra7 34. bxc5 Bxc5 35. Bc3 Rc8 36. Qd3 Rb7 37. Bc4 Rcb8 38. Ra1 Ra7 39. Bb5 Ra2+ 40. Rxa2 Qxa2+ 41. Rd2 Qa7 42. e5 Nf8 43. Qc4 Qa3 44. Rc2 Bb6 45. e6 Qc5 46. Qxc5 Bxc5 47. Bc4 Ba3 48. Kf3 Rc8 49. Bb3 Rb8 50. exf7+ Kxf7 51. Ba4 h6 52. g4 Nh7 53. Bd7 Nf8 54. Bc6 Rb3 55. Ke2 Bb4 56. Kd3 Nh7 57. Bd7 Nf6 58. Be6+ Kg7 59. Kc4 Rxc3+ 60. Rxc3 Bxc3 61. Kxc3 g5 62. Kd4 Ne8 63. Bd7 Nc7 64. f5 Na6 65. Bb5 Nc5 66. Be2 Nd7 67. Bb5 Nf6 68. Be2 Kf7 69. Bf3 Ke8 70. Kc4 Kd8 71. Kb5 Kc7 72. Bg2 Nd7 73. Be4 Ne5 74. Ka5 Nd7 75. Kb5 Nf6 76. Bf3 Kb7 77. Ka5 Kc8 78. Kb5 Kc7 79. Ka5 Nd7 80. Be4 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.03"]
[Round "2"]
[White "Drumev, Avram"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "63"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 d6 7. Nf3 Bd7 8. 0-0 Rb8 9. Ne2 b5 10. h3 Nge7 11. Nh4 Nd4 12. c3 Nxe2+ 13. Qxe2 0-0 14. Be3 b4 15. c4 Qc7 16. Rad1 Rbc8 17. b3 Nc6 18. Nf3 f5 19. e5 dxe5 20. Bxc5 Rfe8 21. fxe5 Nxe5 22. Bf2 Nxf3+ 23. Bxf3 e5 24. Bd5+ Kh8 25. Qe3 a5 26. Qb6 Qxb6 27. Bxb6 a4 28. Kf2 axb3 29. axb3 Bc6 30. Bxc6 Rxc6 31. Be3 Ra8 32. Ra1 1/2-1/2

[Event "BUL-ch17"]
[Site "Sofia"]
[Date "1963.03.02"]
[Round "1"]
[White "Tsvetkov, Alexandar K"]
[Black "Radulov, Ivan"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "68"]
[EventDate "1963.03.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. Nc3 d4 4. Nce2 c5 5. Nf3 Nc6 6. d3 Bd6 7. g3 Nge7 8. Bg2 0-0 9. 0-0 Ng6 10. Bd2 e5 11. h4 f5 12. h5 Nge7 13. exf5 Bxf5 14. Ne1 Qd7 15. h6 g6 16. Kh2 Rf7 17. Ng1 Raf8 18. Bg5 Kh8 19. Qd2 Ng8 20. Nh3 Bg4 21. Nc2 Bf3 22. Ne1 e4 23. dxe4 Bxg3+ 24. Kxg3 Qg4+ 25. Kh2 Bxg2 26. Nxg2 Rf3 27. Ng1 Ne5 28. Nh4 R8f4 29. Bxf4 Qxh4+ 30. Kg2 Rxf4 31. f3 Nxc4 32. Qxf4 Qxf4 33. Rf2 Ne3+ 34. Kh1 Ng4 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.26"]
[Round "19"]
[White "Filipov, Filip"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "251"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. e3 Be7 5. Nc3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. b3 Qa5 9. Bd2 dxc4 10. bxc4 Qc7 11. Qe2 Rd8 12. Rfd1 a6 13. Be1 Kf8 14. Bc2 cxd4 15. exd4 b6 16. Ne4 Bb7 17. Bc3 Na7 18. Ne5 h6 19. Rab1 Nc8 20. Bb4 Bxb4 21. Rxb4 Qe7 22. Rb3 Nd6 23. Nxf6 gxf6 24. Ng4 f5 25. Ne5 Qg5 26. Rg3 Qf6 27. f4 Rac8 28. Rb3 b5 29. c5 Ne8 30. a4 Bd5 31. Rh3 Nc7 32. Qh5 b4 33. Qxh6+ Qxh6 34. Rxh6 Kg7 35. Rh3 a5 36. Rdd3 Rh8 37. Rdg3+ Kf6 38. Nd7+ Ke7 39. Ne5 Rxh3 40. Rxh3 Rg8 41. g3 b3 42. Bb1 b2 43. Rh7 Be4 44. Rxf7+ Kd8 45. Nd3 Kc8 46. Nxb2 Bxb1 47. Nc4 Bc2 48. Nxa5 Bxa4 49. Nc4 Bc6 50. Kf2 Kd8 51. Ne5 Be8 52. Rh7 Rf8 53. Rg7 Nd5 54. c6 Kc8 55. h4 Rh8 56. Kg1 Nc3 57. Kf2 Nd5 58. Kg1 Nc7 59. Kf2 Kd8 60. Kg1 Kc8 61. Kf2 Rf8 62. Ke3 Nd5+ 63. Kf2 Rh8 64. Kg1 Nb4 65. Re7 Nxc6 66. Rxe8+ Rxe8 67. Nxc6 Kc7 68. Ne5 Kd6 69. Kf2 Kd5 70. Nf3 Ke4 71. Ng5+ Kxd4 72. h5 Kd5 73. g4 Kd6 74. gxf5 exf5 75. h6 Ke7 76. h7 Kf6 77. Kf3 Kg7 78. Kf2 Ra8 79. Kf3 Ra3+ 80. Kf2 Ra2+ 81. Kf3 Ra3+ 82. Kf2 Ra8 83. Ke3 Ra4 84. Kf3 Kh8 85. Ke3 Rb4 86. Kf3 Rb7 87. Ke3 Rb4 88. Kf3 Rb3+ 89. Kf2 Kg7 90. Ke2 Rc3 91. Kf2 Rc8 92. Ke3 Rc4 93. Kf3 Rc1 94. Kg2 Re1 95. Kf2 Rh1 96. Kg2 Rc1 97. Kf2 Rb1 98. Kg2 Rd1 99. Kf2 Rh1 100. Kg2 Rh5 101. Kf3 Kf6 102. Kf2 Ke7 103. Kf3 Kf6 104. Kg3 Rh6 105. Kf3 Rh4 106. Kg3 Rh6 107. Kf3 Rh5 108. Kg3 Kg6 109. Kf3 Rh4 110. Kg3 Rh1 111. Kg2 Rh6 112. Kg3 Rh5 113. Kf3 Rh4 114. Kg3 Rg4+ 115. Kf3 Kg7 116. Ke3 Rh4 117. Kf3 Kh8 118. Kg3 Rh1 119. Kg2 Re1 120. Kf2 Re8 121. Kf3 Kg7 122. Kf2 Kf6 123. Kf3 Rh8 124. Kg3 Kg6 125. Kh4 Ra8 126. Kg3 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.24"]
[Round "18"]
[White "Tsvetkov, Alexandar K"]
[Black "Popov, Luben"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "86"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 b5 7. Be2 Bb7 8. 0-0 Nf6 9. Bf3 d6 10. g3 Be7 11. Bg2 Nbd7 12. Kh1 Nb6 13. f4 0-0 14. g4 Nfd7 15. g5 Rfe8 16. f5 e5 17. Nde2 f6 18. h4 fxg5 19. hxg5 Qd8 20. f6 gxf6 21. Ng3 Kh8 22. Nf5 Rg8 23. Rf3 Qe8 24. Qf1 fxg5 25. Nh6 Rf8 26. Nf7+ Kg7 27. Bxg5 Rxf7 28. Bh6+ Kg8 29. Bh3 Bf8 30. Bxf8 Nxf8 31. Qg1+ Ng6 32. Rxf7 Qxf7 33. Qxb6 Nf4 34. Rg1+ Kh8 35. Qxd6 Re8 36. Qh6 Nxh3 37. Qxh3 Qf4 38. Qg4 Qh6+ 39. Kg2 Rg8 40. Kf3 Rxg4 41. Rxg4 Qh3+ 42. Rg3 Qf1+ 43. Ke3 Qf4+ 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.22"]
[Round "17"]
[White "Stefanov, Josif Jovchev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "60"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. b3 Be7 6. Bb2 0-0 7. c4 b4 8. d4 d5 9. Nbd2 c5 10. cxd5 Nxd5 11. Qc2 Nd7 12. Nc4 Rc8 13. Rac1 Qc7 14. dxc5 Nxc5 15. Be5 Qd7 16. Rfd1 f5 17. Qb2 Bf6 18. a3 bxa3 19. Qxa3 Be7 20. Qb2 Bf6 21. Bxf6 gxf6 22. Ne1 Qe7 23. Qa3 Rc7 24. Nd3 Nxd3 25. Qxe7 Rxe7 26. Rxd3 Nb4 27. Rd6 Bxg2 28. Kxg2 Rc8 29. Ra1 Rb8 30. Na5 Kf7 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.21"]
[Round "16"]
[White "Tsvetkov, Alexandar K"]
[Black "Filchev, Rusko"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "101"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. d3 e6 7. Nbd2 Nge7 8. Re1 0-0 9. Nf1 Rb8 10. Ne3 d5 11. Ng5 d4 12. Nf1 h6 13. Nf3 e5 14. h4 Be6 15. N1h2 Qd7 16. Nd2 b5 17. h5 c4 18. Bf1 cxd3 19. cxd3 Rfc8 20. a3 a5 21. Be2 a4 22. hxg6 fxg6 23. b4 Nd8 24. f4 Rb6 25. Rf1 Nf7 26. Ndf3 Rf8 27. Bd2 Bb3 28. Qe1 Rc6 29. Qf2 Be6 30. Rac1 Bh3 31. Rfe1 Be6 32. Rxc6 Nxc6 33. Rc1 g5 34. f5 Bb3 35. Rc5 Rb8 36. Qf1 Bf8 37. Rc1 Nfd8 38. Ng4 Qd6 39. Qh3 Rb7 40. Rc5 Nf7 41. Qh5 Rb6 42. Kf2 Bg7 43. f6 Bxf6 44. Qg6+ Bg7 45. Nxh6+ Kf8 46. Qxg7+ Kxg7 47. Nf5+ Kf6 48. Nxd6 Nxd6 49. Bxg5+ Ke6 50. Bd2 Ne8 51. g4 1-0

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.19"]
[Round "15"]
[White "Orev, Petar"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "75"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 Bg7 5. d5 Nd4 6. Nbc3 e5 7. d6 Ne6 8. h4 Nf6 9. g3 b6 10. Bg2 Bb7 11. 0-0 0-0 12. a4 Ne8 13. a5 Bc6 14. axb6 axb6 15. Rxa8 Qxa8 16. Nd5 Bxd5 17. cxd5 Nd8 18. Qb3 Qa7 19. Nc3 Nxd6 20. Be3 N8b7 21. Bh3 f5 22. f3 Rf7 23. Kg2 Qa6 24. exf5 gxf5 25. g4 Nc4 26. Bc1 Nbd6 27. Qc2 f4 28. b3 Na5 29. g5 Qb7 30. h5 Bf8 31. Bb2 Be7 32. Ne4 Nb5 33. Bxe5 Qxd5 34. g6 hxg6 35. hxg6 Rf8 36. Bb2 Nxb3 37. Bxd7 Qxd7 38. Qxb3+ 1-0

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.18"]
[Round "14"]
[White "Tsvetkov, Alexandar K"]
[Black "Kolarov, Atanas Stefanov"]
[Result "1/2-1/2"]
[ECO "C73"]
[PlyCount "60"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Nc3 Ne7 8. Be3 Ng6 9. Qd2 Bg4 10. 0-0-0 Be7 11. h3 Be6 12. b3 0-0 13. h4 h5 14. dxe5 fxe5 15. Ng5 Bxg5 16. Bxg5 Qe8 17. f3 a5 18. Rdg1 c5 19. g4 hxg4 20. fxg4 Nf4 21. h5 Qf7 22. Rh2 Qd7 23. Bxf4 Rxf4 24. g5 Raf8 25. Kb2 Qe7 26. Rg3 c4 27. Rg1 cxb3 28. axb3 Rf1 29. Rxf1 Rxf1 30. Rg2 Qf8 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.17"]
[Round "13"]
[White "Karastoichev, Emil Stefanov"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "61"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 c6 6. Bd3 Ne7 7. 0-0 Bf5 8. Re1 Bxd3 9. Qxd3 h6 10. Ne2 0-0 11. Bf4 Ng6 12. Bxd6 Qxd6 13. Nd2 Nd7 14. Qg3 Qxg3 15. hxg3 Rfe8 16. f3 Kf8 17. Kf2 Re7 18. Nc3 Rae8 19. Rxe7 Rxe7 20. Re1 Rxe1 21. Kxe1 Ke7 22. Ke2 Kd6 23. Nd1 Ne7 24. g4 Nf8 25. g3 Ne6 26. c3 f5 27. gxf5 Nxf5 28. Nf1 g6 29. Nde3 Neg7 30. Nxf5+ Nxf5 31. Kf2 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.15"]
[Round "12"]
[White "Tsvetkov, Alexandar K"]
[Black "Neikirkh, Oleg"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "30"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. b4 a5 2. b5 Nf6 3. Nf3 g6 4. Bb2 Bg7 5. e3 d6 6. Be2 e5 7. d4 Nbd7 8. c4 0-0 9. Nc3 Re8 10. 0-0 exd4 11. exd4 Nf8 12. Re1 Bf5 13. Nh4 Bc8 14. Nf3 Bf5 15. Nh4 Bc8 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.14"]
[Round "11"]
[White "Minev, Nikolay Nikolaev"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "134"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be3 Be7 8. f4 d6 9. Bd3 Bd7 10. Nb3 Nc6 11. 0-0 Na5 12. Nxa5 Qxa5 13. Kh1 Rc8 14. Qe1 Bc6 15. Qg3 h5 16. Rae1 h4 17. Qh3 Bd7 18. Bd2 e5 19. f5 Qd8 20. Bg5 Nh5 21. Bxe7 Qxe7 22. Qe3 Ng3+ 23. Kg1 Nxf1 24. Rxf1 Bc6 25. Bc4 Rh5 26. f6 gxf6 27. Qf3 Rh6 28. Nd1 Bd7 29. Ne3 Be6 30. Bd5 Kd8 31. c4 Qd7 32. b4 Rc7 33. Rd1 b6 34. Bxe6 fxe6 35. c5 bxc5 36. Nc4 Ke7 37. Rxd6 Qb5 38. Rxe6+ Kxe6 39. Qg4+ Ke7 40. Qg7+ Kd8 41. Qf8+ Kd7 42. Qf7+ Kd8 43. Qf8+ Qe8 44. Qxh6 cxb4 45. Qxf6+ Qe7 46. Qh8+ Kd7 47. Nxe5+ Kd6 48. Nd3 bxa3 49. Qa8 Kd7 50. Qd5+ Ke8 51. Qh5+ Qf7 52. Qh8+ Qf8 53. Qh5+ Qf7 54. Qh8+ Ke7 55. Qxh4+ Qf6 56. Qh7+ Kd8 57. Qg8+ Kd7 58. Qd5+ Ke7 59. h4 Qd6 60. Qg5+ Kd7 61. Qf5+ Kc6 62. e5 Qd4+ 63. Nf2 Kb6 64. Qf3 Qc3 65. Qe2 Ka7 66. e6 Qc4 67. Qe3+ Qc5 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.13"]
[Round "10"]
[White "Tsvetkov, Alexandar K"]
[Black "Radulov, Ivan"]
[Result "0-1"]
[ECO "E01"]
[PlyCount "108"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 Bd6 5. c4 c6 6. Nbd2 0-0 7. Qc2 Nbd7 8. 0-0 e5 9. cxd5 cxd5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Nf3 Bd6 13. Be3 Qa5 14. Bd4 Ne4 15. a3 Be6 16. Rfc1 Rac8 17. Qd1 b6 18. Rxc8 Rxc8 19. Rc1 Qa6 20. Bf1 Rxc1 21. Qxc1 Qc4 22. Qd1 h6 23. Be5 Qc5 24. e3 Bg4 25. Bxd6 Qxd6 26. h3 Bh5 27. Bg2 Qf6 28. Qd4 Qc6 29. Qd1 Qb5 30. Qc2 Qa5 31. g4 Bg6 32. Qd1 Qb5 33. b4 Qc4 34. Ne5 Qa2 35. Nxg6 Qxf2+ 36. Kh1 Ng3+ 37. Kh2 fxg6 38. Qxd5+ Kh7 39. Qd3 Ne2 40. Qd1 Qxe3 41. Qa1 h5 42. gxh5 gxh5 43. Qd1 Nf4 44. Qc2+ Kh6 45. h4 Ng6 46. Be4 Qf4+ 47. Kg1 Qxh4 48. Kf1 Qh3+ 49. Bg2 Qg3 50. a4 Qf4+ 51. Ke2 Qxb4 52. Be4 Ne5 53. Qc1+ g5 54. Bd5 Qg4+ 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.11"]
[Round "9"]
[White "Radev Iordanov, Nikolay"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "88"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 0-0 7. Nge2 Ne8 8. Be3 g6 9. f3 Ng7 10. a3 a6 11. b4 Nd7 12. 0-0 b6 13. Rb1 f5 14. bxc5 bxc5 15. Qa4 f4 16. Bf2 g5 17. Rb2 h5 18. Rfb1 g4 19. Kh1 Nf6 20. Qc6 Bd7 21. Qb6 Qe8 22. Bxc5 dxc5 23. d6 Bd8 24. Qxc5 Rc8 25. Qa7 Ne6 26. Nd5 Nxd5 27. cxd5 Nc5 28. Bxa6 Nxa6 29. Qxa6 Bf6 30. Rb7 Rf7 31. Qa7 Rd8 32. Nc3 Rg7 33. a4 h4 34. fxg4 Bxg4 35. Rxg7+ Bxg7 36. Rb7 Qf8 37. Nb5 f3 38. Qf2 Qf4 39. gxf3 Bxf3+ 40. Kg1 Bh6 41. Rc7 Qxe4 42. Rc3 Qg4+ 43. Kf1 Bxd5 44. d7 Qd1+ 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.10"]
[Round "8"]
[White "Tsvetkov, Alexandar K"]
[Black "Padevsky, Nikola Bochev"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "104"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Nbd2 Bg7 5. Bd3 0-0 6. 0-0 Nbd7 7. Qe2 c5 8. c3 Qc7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 cxd4 12. cxd4 Nf6 13. Qh4 Bg4 14. Ne5 Be6 15. Be3 Nd5 16. Rfc1 Qb6 17. Nc4 Qd8 18. Bg5 Rc8 19. a3 Qd7 20. Ne3 f6 21. Bh6 Rxc1+ 22. Rxc1 Rc8 23. Re1 Nxe3 24. Bxe3 Bc4 25. Be4 f5 26. Bf3 e6 27. h3 a5 28. Rd1 a4 29. Rc1 b5 30. Qg3 Bxd4 31. Rd1 e5 32. Bxd4 exd4 33. Qe5 d3 34. Qc3 Re8 35. g3 Qg7 36. Qb4 Qe5 37. Kg2 Kg7 38. Rd2 h5 39. Rd1 Qf6 40. Qd2 h4 41. g4 fxg4 42. Bxg4 Bd5+ 43. Kg1 Qd4 44. Rf1 Qe4 45. Qc3+ Kh7 46. f3 Qe3+ 47. Kg2 d2 48. Qxe3 Rxe3 49. Kf2 Rb3 50. Rd1 Rxb2 51. Ke3 b4 52. Rxd2 bxa3 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.09"]
[Round "7"]
[White "Ajanski, Jordan S"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "121"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Ng3 e4 7. Nd4 Qd6 8. d3 exd3 9. 0-0 Bd7 10. Re1+ Nge7 11. Ndf5 Qf6 12. Nxe7 Bxe7 13. Bxc6 bxc6 14. Nh5 Qg6 15. cxd3 Rf8 16. Nf4 Qf7 17. d4 0-0-0 18. Nd3 Bd6 19. Qb3 Rde8 20. Rxe8+ Rxe8 21. Be3 Qg6 22. Rc1 Re4 23. Ne1 Qh5 24. g3 Qh3 25. Qd3 Kb7 26. Qb3+ Ka8 27. Qd3 Qh5 28. Rc3 Re8 29. a3 Rb8 30. b4 g5 31. Rc1 Rg8 32. Qd1 Qe8 33. Qf3 Be6 34. Qe2 h5 35. Nd3 Bg4 36. Qd2 Qe4 37. Qc2 Kb8 38. Ne1 Qxc2 39. Rxc2 Kb7 40. Rc1 h4 41. Nd3 Bf5 42. Ne1 hxg3 43. fxg3 Be4 44. Rc3 g4 45. Nd3 Bxd3 46. Rxd3 Kb6 47. Rc3 Re8 48. Kf2 Kb5 49. Kg2 a5 50. bxa5 Kxa5 51. h3 gxh3+ 52. Kxh3 Rh8+ 53. Kg2 Rg8 54. Bf2 Kb5 55. a4+ Kb6 56. Kh3 Bb4 57. Rc2 Bd6 58. g4 Rh8+ 59. Kg2 Rg8 60. Kh3 Rh8+ 61. Kg2 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.07"]
[Round "6"]
[White "Tsvetkov, Alexandar K"]
[Black "Pelitov, Dimitar"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "129"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 0-0 6. Be2 Nbd7 7. e5 dxe5 8. dxe5 Ng4 9. e6 fxe6 10. Bg5 c6 11. Qc1 e5 12. h3 Ngf6 13. 0-0 e4 14. Nd2 Nc5 15. Be3 Nd3 16. Qc2 Qc7 17. Ndxe4 Nxe4 18. Bxd3 Nxc3 19. bxc3 c5 20. Rab1 Bf5 21. Rfd1 Qc6 22. Bxf5 Rxf5 23. Qd3 b6 24. Rd2 Raf8 25. Rbd1 Re5 26. Qb1 Qe6 27. Rd5 Ref5 28. Qd3 R5f7 29. Rd7 a6 30. Rb7 Rf5 31. a4 Qc6 32. Qd7 Qf6 33. Qxe7 Qxc3 34. Qe6+ Kh8 35. Qxb6 Qxc4 36. Rdd7 Rxf2 37. Bxf2 Qc1+ 38. Rd1 Qxd1+ 39. Kh2 Be5+ 40. Bg3 Bxg3+ 41. Kxg3 Qe1+ 42. Kh2 Qe5+ 43. Kg1 Qd4+ 44. Kh2 Qe5+ 45. Kg1 Qd4+ 46. Kh2 Qf2 47. Qc7 Qf4+ 48. Qxf4 Rxf4 49. Rc7 Rxa4 50. Rxc5 Kg7 51. Rc7+ Kh6 52. Kg3 Rd4 53. h4 a5 54. Ra7 a4 55. Kh3 Rd3+ 56. Kg4 a3 57. g3 Rb3 58. Kf4 Rc3 59. g4 Rc4+ 60. Kf3 Rc3+ 61. Kg2 Re3 62. Kh2 g5 63. h5 Re2+ 64. Kg3 a2 65. Kh3 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.06"]
[Round "5"]
[White "Tringov, Georgi Petrov"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B39"]
[PlyCount "38"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Bxd4 9. Bxd4 Nxd4 10. 0-0-0 e5 11. Qg3 d6 12. f4 f6 13. Ne2 Nc6 14. Nc3 Nd4 15. Bd3 Be6 16. Kb1 Qe7 17. Rc1 a6 18. Rhf1 0-0-0 19. Qf2 Rhf8 1/2-1/2

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.05"]
[Round "4"]
[White "Tsvetkov, Alexandar K"]
[Black "Pantaleev, Dimitar Dimitrov"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "100"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 Be7 5. Bxc6 dxc6 6. d3 Qd6 7. Nbd2 Nd7 8. Nc4 Qe6 9. Bd2 c5 10. Bc3 Bf6 11. a4 b6 12. Ne3 Bb7 13. h3 g6 14. b3 Bg7 15. Ng5 Qe7 16. h4 Nf8 17. f4 f6 18. Nh3 Ne6 19. 0-0 Nd4 20. Qf2 0-0-0 21. f5 Kb8 22. Rae1 Bc8 23. Kh1 gxf5 24. Bxd4 fxe4 25. Bc3 exd3 26. cxd3 Bxh3 27. gxh3 Rxd3 28. Qc2 Rhd8 29. Nf5 Qd7 30. Re4 Bh6 31. Be1 Bf4 32. Rexf4 exf4 33. Rxf4 Rd1 34. Rf1 Qe6 35. Qf2 Re8 36. Bc3 Rxf1+ 37. Qxf1 Qxb3 38. Qf3 Qc2 39. Ng3 Qxa4 40. Qxf6 Qd1+ 41. Kg2 Qd5+ 42. Kf2 a5 43. h5 Qd6 44. Qg7 Qf4+ 45. Kg2 Re3 46. Qg4 Qxg4 47. hxg4 Rxc3 48. Ne4 Re3 49. Nf6 a4 50. g5 a3 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.03"]
[Round "3"]
[White "Tsvetkov, Alexandar K"]
[Black "Milev, Milu"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "63"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Be2 Bg4 8. 0-0 e6 9. h3 Bh5 10. g4 Bg6 11. Nc3 Nxc3 12. bxc3 Be7 13. Bf4 0-0 14. Qd2 Rc8 15. exd6 Bxd6 16. Rfd1 Qc7 17. Bxd6 Qxd6 18. Qe3 Rfd8 19. Rd2 Qd5 20. c4 Qe4 21. Rad1 Qxe3 22. fxe3 h5 23. Kf2 hxg4 24. hxg4 b6 25. d5 Na5 26. dxe6 Rxd2 27. Rxd2 fxe6 28. Rd7 Nxc4 29. Rxa7 Be4 30. Ng5 Rf8+ 31. Kg3 Bd5 32. e4 1-0

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.02"]
[Round "2"]
[White "Bobotsov, Milko Georgiev"]
[Black "Tsvetkov, Alexandar K"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "82"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 d6 5. d4 Be7 6. d5 Nb8 7. e4 0-0 8. Be2 Nbd7 9. 0-0 Nc5 10. Qc2 a5 11. Be3 b6 12. h3 Bd7 13. Nh2 Ne8 14. Bg4 Bg5 15. Bxd7 Nxd7 16. Rae1 g6 17. Qd2 Bxe3 18. Qxe3 Qe7 19. Nb5 Nc5 20. f4 exf4 21. Rxf4 f6 22. Nd4 Ng7 23. Nc6 Qd7 24. g4 Rae8 25. Qf3 f5 26. gxf5 gxf5 27. e5 dxe5 28. Rxe5 Rxe5 29. Nxe5 Qd6 30. Nc6 Re8 31. Nd4 Nd3 32. Rh4 Qf6 33. Rg4 Ne5 34. Qf4 Nxg4 35. Nxg4 Qg6 36. Nxf5 Nxf5 37. Qxf5 Re1+ 38. Kh2 Re2+ 39. Kg3 Qxf5 40. Nh6+ Kf8 41. Nxf5 Rxb2 0-1

[Event "BUL-ch16"]
[Site "Sofia"]
[Date "1962.02.01"]
[Round "1"]
[White "Tsvetkov, Alexandar K"]
[Black "Prahov, Valentin Asenov"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "62"]
[EventDate "1962.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. Nf3 d5 4. exd5 exd5 5. d4 Nc6 6. Be2 cxd4 7. Nxd4 Nf6 8. Bf4 Be6 9. 0-0 Bc5 10. Nxe6 fxe6 11. Nd2 0-0 12. Nb3 Bb6 13. Qd3 Ne4 14. Be3 Bc7 15. g3 Ne5 16. Qc2 Bb6 17. Bxb6 Qxb6 18. Nd4 Nc6 19. Rad1 e5 20. Nf3 Nf6 21. Nh4 Rad8 22. Kg2 Rf7 23. Nf5 Rfd7 24. Ne3 g6 25. h3 Kg7 26. Rfe1 d4 27. Nc4 Qc7 28. Qb1 dxc3 29. bxc3 Rxd1 30. Rxd1 Rxd1 31. Qxd1 Qd7 1/2-1/2

[Event "Sofia-Belgrade m"]
[Site "Sofia"]
[Date "1959.05.16"]
[Round "2.8"]
[White "Lukic, Arsenije"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "A46"]
[PlyCount "146"]
[EventDate "1958.05.10"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "BUL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Nc3 Nc6 6. Qd2 Be7 7. Be2 d5 8. Bxf6 gxf6 9. Na4 Qb4 10. Nxc5 Qxb2 11. 0-0 Bxc5 12. dxc5 Qa3 13. c4 Qxc5 14. cxd5 exd5 15. Rac1 Qd6 16. Rfd1 Be6 17. Qb2 Qc7 18. Bb5 Rc8 19. Nd4 Bd7 20. Ne2 a6 21. Ba4 b5 22. Bb3 Qe5 23. Qa3 Ne7 24. Qxa6 0-0 25. Nd4 Ng6 26. Qb7 Rxc1 27. Rxc1 Be6 28. Qxb5 Nh4 29. Qe2 Qg5 30. f4 Qg6 31. Qf2 Qh6 32. g3 Qg6 33. Qc2 Qg4 34. Qe2 Qxe2 35. Nxe2 Nf3+ 36. Kg2 Nd2 37. Nd4 Rb8 38. f5 Nxb3 39. axb3 Bd7 40. Rc5 Rc8 41. Ra5 Kf8 42. Kf2 Rc1 43. b4 Ke7 44. Rxd5 Rb1 45. b5 Rb2+ 46. Kg1 Rb1+ 47. Kg2 Rb2+ 48. Kh3 h5 49. e4 Kd8 50. g4 hxg4+ 51. Kg3 Ke8 52. Nc6 Bxc6 53. bxc6 Rc2 54. Rd6 Ke7 55. Rd7+ Ke8 56. Rc7 Kd8 57. Rxf7 Rxc6 58. Kxg4 Ke8 59. Ra7 Rc1 60. Kh5 Rg1 61. h4 Kf8 62. Rh7 Rg8 63. Ra7 Rg1 64. Kh6 Kg8 65. h5 Rg2 66. e5 fxe5 67. f6 Kf8 68. Kh7 e4 69. Re7 e3 70. Rxe3 Kf7 71. Re7+ Kxf6 72. Ra7 Rh2 73. h6 Rh1 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "2"]
[White "Brzozka, Stefan"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C65"]
[PlyCount "90"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. dxe5 Nxe4 8. Qd5 Nc5 9. Na3 Ne7 10. Qd2 d5 11. exd6 cxd6 12. Nd4 d5 13. Nac2 a6 14. Bd3 Qd6 15. Ne1 Bc7 16. f4 Ne4 17. Qe2 Qg6 18. Nef3 Nf5 19. Nxf5 Bxf5 20. Nh4 Qf6 21. Nxf5 Qxf5 22. Qf3 Rfe8 23. Be3 Qe6 24. Rae1 Rad8 25. Re2 Qc6 26. Kh1 Qa4 27. a3 Qc6 28. Bd4 f5 29. g4 fxg4 30. Qxg4 Nf6 31. Bxf6 Qxf6 32. Rxe8+ Rxe8 33. Qh5 Kf8 34. Bxh7 d4 35. Qc5+ Bd6 36. Qd5 Re2 37. cxd4 Qh6 38. Qf5+ Ke7 39. h3 Re3 40. Kg2 Qh4 41. Qg5+ Qxg5+ 42. fxg5 Rg3+ 43. Kf2 Rxh3 44. Be4 b6 45. g6 Bf4 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "11"]
[White "Golz, Werner"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "D25"]
[PlyCount "21"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 c5 7. Nc3 0-0 8. Qe2 Bg4 9. dxc5 Nbd7 10. h3 Bxf3 11. Qxf3 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "4"]
[White "Minev, Nikolay Nikolaev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "84"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 f5 5. Nc3 Nf6 6. Bd3 Bd6 7. Qc2 0-0 8. cxd5 cxd5 9. Nb5 Nc6 10. Nxd6 Qxd6 11. Bd2 Bd7 12. 0-0 Ne4 13. Rfc1 Rf6 14. Bb5 Rc8 15. Qa4 Qb8 16. Bb4 Be8 17. Bxc6 Rxc6 18. Qa3 Rf7 19. Rxc6 bxc6 20. Ne5 Rb7 21. Nd3 Rb5 22. f3 Nf6 23. Bd6 Qd8 24. Be7 Qc7 25. b3 Ra5 26. Qd6 Qxd6 27. Bxd6 Rb5 28. Nc5 Kf7 29. Rc1 Nd7 30. Nd3 Nb8 31. Ne5+ Kf6 32. Rc2 a5 33. Kf2 g5 34. Ke1 a4 35. bxa4 Rb1+ 36. Kf2 Nd7 37. a5 Nxe5 38. dxe5+ Kg6 39. a6 c5 40. a7 Bc6 41. Rxc5 Rb2+ 42. Kg3 Rxa2 1-0

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "6"]
[White "Padevsky, Nikola Bochev"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "51"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Qa5 3. Nc3 g6 4. d4 Bg7 5. Be2 Nc6 6. Be3 d6 7. d5 Nb8 8. 0-0 Nd7 9. Nd2 Ngf6 10. Nc4 Qc7 11. Qd2 a6 12. a4 h6 13. f4 0-0 14. Bf3 Rb8 15. e5 Ne8 16. a5 dxe5 17. fxe5 Nxe5 18. Nxe5 Bxe5 19. Bxh6 Bxh2+ 20. Kh1 Ng7 21. g4 Be5 22. Rae1 Bd7 23. d6 Qxd6 24. Nd5 Rbe8 25. Qe2 f6 26. Kg2 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "3"]
[White "Tsvetkov, Alexandar K"]
[Black "Bobekov, Radko"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "179"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. Bc4 c5 4. 0-0 Nc6 5. c3 d6 6. d3 Nf6 7. h3 0-0 8. Be3 Na5 9. Bb3 Nxb3 10. Qxb3 b6 11. Nbd2 Bb7 12. Rfe1 Rc8 13. Rad1 Rc7 14. Qc2 Qa8 15. Nh2 c4 16. f3 cxd3 17. Qxd3 d5 18. e5 Nd7 19. Bd4 Nc5 20. Qe3 Ba6 21. Nb3 Qc6 22. Rd2 Ne6 23. h4 Bc4 24. Nc1 Nxd4 25. cxd4 Rfc8 26. f4 Qe6 27. g4 f5 28. g5 a5 29. Nf3 Ba6 30. Ne2 b5 31. Red1 b4 32. Ne1 Qb6 33. Nd3 e6 34. Kf2 Bf8 35. h5 a4 36. Rh1 Rc2 37. hxg6 hxg6 38. Ne1 Rxd2 39. Qxd2 Qb5 40. Qe3 Qc4 41. b3 axb3 42. axb3 Qc7 43. Qd2 Bxe2 44. Kxe2 Qa7 45. Rh3 Qa1 46. Kf1 Rc1 47. Rd3 Qb1 48. Ke2 Rc7 49. Rh3 Ra7 50. Kf1 Ra2 51. Qd3 Qb2 52. Qe3 Qb1 53. Qd3 Qc1 54. Qe3 Qd1 55. Qd3 Qc1 56. Qe3 Qb2 57. Rg3 Ra3 58. Rh3 Ra1 59. Qd3 Qc3 60. Qxc3 bxc3 61. Ke2 Rc1 62. Nd3 Rc2+ 63. Ke3 Ba3 64. Rh1 Rg2 65. b4 Rg3+ 66. Ke2 c2 67. b5 c1Q 68. Nxc1 Rg2+ 69. Kd3 Rb2 70. Rh6 Kg7 71. Kc3 Rxb5 72. Nd3 Rb7 73. Rh1 Rc7+ 74. Kd2 Rc4 75. Ke3 Bb4 76. Rc1 Bc3 77. Ke2 Bxd4 78. Rb1 Rc2+ 79. Kd1 Rc7 80. Ke2 Ra7 81. Rb4 Bg1 82. Rb1 Ra2+ 83. Kf3 Ba7 84. Rb7+ Kf8 85. Rc7 Ra3 86. Ke2 Ra2+ 87. Kf3 Ra3 88. Ke2 d4 89. Rc6 Ke7 90. Rc7+ 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "1"]
[White "Tsvetkov, Alexandar K"]
[Black "Gerenski, Hristo"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "74"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. e3 e6 5. Nh4 Bg4 6. Be2 Bxe2 7. Qxe2 c5 8. f4 Be7 9. 0-0 0-0 10. Nf3 Nc6 11. Ne5 Rc8 12. d3 Ne8 13. Nd2 f6 14. Nxc6 Rxc6 15. e4 Nc7 16. a4 Re8 17. Kh1 Bf8 18. Rf3 g6 19. g4 Bg7 20. Rh3 e5 21. f5 Qd7 22. Qf2 Qf7 23. Rf1 a6 24. a5 Rd8 25. Qh4 h6 26. fxg6 Qe8 27. Rhf3 Rdd6 28. exd5 Nxd5 29. Ne4 Re6 30. Ba3 Qxg6 31. Bxc5 Nf4 32. b4 f5 33. Rxf4 exf4 34. gxf5 Qxf5 35. Rxf4 Qd5 36. Qg3 Rg6 37. Qf3 Qa2 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "5"]
[White "Tsvetkov, Alexandar K"]
[Black "Gurgenidze, Bukhuti"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "58"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 a5 6. a4 c6 7. 0-0 d5 8. d3 Bg4 9. Nbd2 Nbd7 10. h3 Bxf3 11. Bxf3 Qc7 12. Rc1 Ne8 13. d4 Rd8 14. e3 e5 15. Bg2 exd4 16. exd4 Nd6 17. c3 Rfe8 18. Qc2 Nf5 19. Rce1 c5 20. Rxe8+ Rxe8 21. Qd3 cxd4 22. cxd4 Qb6 23. Nf3 Nb8 24. Ne5 Nc6 25. Rd1 Nb4 26. Qf3 Qe6 27. Bc3 Nxd4 28. Bxd4 Bxe5 29. Re1 Nc2 0-1

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "7"]
[White "Tsvetkov, Alexandar K"]
[Black "Pantaleev, Dimitar Dimitrov"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "101"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. c3 Nf6 4. Qc2 Nc6 5. d4 e6 6. Be2 d5 7. e5 Nd7 8. 0-0 f6 9. exf6 Nxf6 10. Bg5 Qc7 11. Nbd2 Bd7 12. Rfe1 Bd6 13. Bh4 0-0 14. Bg3 Bxg3 15. hxg3 c4 16. Nf1 Be8 17. Qc1 Bg6 18. Ng5 Rae8 19. f4 b5 20. Bd1 Ne4 21. Nxe4 Bxe4 22. Bc2 Bf5 23. Ne3 Bxc2 24. Nxc2 Qf7 25. Qe3 Qf5 26. Re2 Rf6 27. Qf3 Rd8 28. Ne3 Qg6 29. Ng4 Rff8 30. Rae1 Rd6 31. Nf2 b4 32. Qg4 Qxg4 33. Nxg4 Kf7 34. Nh2 Rb8 35. Nf3 h6 36. g4 Rb6 37. g5 Ra6 38. gxh6 gxh6 39. cxb4 Rxa2 40. b5 Nd8 41. g4 Rb6 42. Ne5+ Kg7 43. f5 Rxb5 44. Nxc4 dxc4 45. fxe6 Nxe6 46. Rxe6 Rbxb2 47. Rc6 c3 48. Rxc3 Kf6 49. Rd3 Kg5 50. d5 Rg2+ 51. Kh1 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "8"]
[White "Tsvetkov, Alexandar K"]
[Black "Radovici, Corvin"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "42"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 0-0 6. Be2 a5 7. 0-0 Ne4 8. c4 c6 9. Nc3 Nxc3 10. Bxc3 Nd7 11. Qc2 Nf6 12. Bd3 Qc7 13. Rfc1 Rd8 14. Bb2 Be6 15. a3 Qd7 16. Ne5 Qe8 17. b4 dxc4 18. Bxc4 Bxc4 19. Nxc4 axb4 20. axb4 Nd5 21. Qb3 Nc7 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "10"]
[White "Tsvetkov, Alexandar K"]
[Black "Szilagyi, Gyorgy"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "25"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 g6 4. Be2 Bg7 5. b3 0-0 6. Bb2 c6 7. 0-0 Bg4 8. Nbd2 Nbd7 9. c4 Qc7 10. Rc1 Rad8 11. h3 Bxf3 12. Bxf3 dxc4 13. Nxc4 1/2-1/2

[Event "Sofia"]
[Site "Sofia"]
[Date "1958.??.??"]
[Round "9"]
[White "Vukcevich, Milan R"]
[Black "Tsvetkov, Alexandar K"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "22"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bc1 Nxc3 10. Bd3 c5 11. dxc5 Qa5 1/2-1/2

[Event "BUL-ch11"]
[Site "Sofia"]
[Date "1957.02.28"]
[Round "19"]
[White "Tsvetkov, Alexandar K"]
[Black "Khadshipetrov, Alexander Mateev"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "42"]
[EventDate "1957.02.02"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. d4 Nc6 6. cxd5 Nxd5 7. Bc4 cxd4 8. exd4 Be7 9. 0-0 0-0 10. Re1 a6 11. h3 Ncb4 12. Ne4 Nf6 13. a3 Nbd5 14. Ne5 Nxe4 15. Rxe4 Nf6 16. Re2 b5 17. Nc6 Qc7 18. Nxe7+ Qxe7 19. Bd3 Bb7 20. Bg5 Rfd8 21. Rc1 Qd6 1/2-1/2

