[Event "Smoljan/Pamporovo-01"]
[Site "Smoljan"]
[Date "1977.??.??"]
[Round "?"]
[White "Bonchev, Stojko"]
[Black "Zeitlein, Michael"]
[Result "0-1"]
[ECO "A77"]
[WhiteElo "2265"]
[BlackElo "2475"]
[PlyCount "68"]
[EventDate "1977.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[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 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Nbd7 8. e4 Bg7 9. Be2 0-0 10. 0-0 Re8 11. a4 g5 12. Nc4 Nxe4 13. Nxe4 Rxe4 14. Nxd6 Rd4 15. Qb3 Nb6 16. a5 Nxd5 17. Nxc8 Rxc8 18. Qxb7 Rc7 19. Qb3 c4 20. Qg3 h6 21. f4 gxf4 22. Qf3 c3 23. bxc3 Rxc3 24. Qh5 Rc2 25. Bd1 Nf6 26. Qf5 Rxd1 27. Qxc2 Qd4+ 28. Be3 Qxe3+ 29. Kh1 Rxa1 30. Rxa1 Ne4 31. Rf1 Bc3 32. a6 Kg7 33. Qc1 Nf2+ 34. Kg1 Nh3+ 0-1

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.10"]
[Round "11"]
[White "Krstev, Krum"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "A35"]
[BlackElo "2265"]
[PlyCount "59"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. e3 g6 4. d4 cxd4 5. exd4 Bg7 6. d5 Nd4 7. Nf3 Nxf3+ 8. Qxf3 d6 9. Bd3 Nf6 10. 0-0 0-0 11. Bg5 Bd7 12. Rfe1 Rc8 13. Qe3 Re8 14. Qxa7 Ng4 15. h3 Ra8 16. Qxb7 Rb8 17. Qa7 Ra8 18. Qb7 Rb8 19. Qa6 Rxb2 20. Qa3 Nxf2 21. Bf1 Qb6 22. Be3 Bd4 23. Nb5 Bxb5 24. cxb5 Rc2 25. Bxd4 Qxd4 26. Qe3 Qxd5 27. a4 f5 28. a5 Ne4 29. Red1 Qe5 30. Qb3+ 1-0

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.08"]
[Round "10"]
[White "Bonchev, Stojko"]
[Black "Gadek, Eugeniusz"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2265"]
[PlyCount "53"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Bg4 5. Bc4 e6 6. h3 Bxf3 7. Qxf3 Nd4 8. Qd3 Ne7 9. 0-0 a6 10. a3 b5 11. Ba2 Qb6 12. Ne2 Nec6 13. Nxd4 c4 14. Qe3 Qxd4 15. d3 cxd3 16. cxd3 Be7 17. f5 exf5 18. Bd5 Qxe3+ 19. Bxe3 Rc8 20. Rac1 Kd7 21. Rxf5 f6 22. Rf2 Na5 23. Rfc2 Rxc2 24. Rxc2 Rc8 25. Be6+ Kxe6 26. Rxc8 Kd7 27. Ra8 1-0

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.07"]
[Round "9"]
[White "Semkovic, Wolfgang"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "A43"]
[BlackElo "2265"]
[PlyCount "77"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 e6 4. Bg5 d6 5. e4 Be7 6. dxe6 Bxe6 7. g3 0-0 8. Bg2 Nc6 9. Nge2 Qd7 10. 0-0 Rad8 11. Nf4 Nd4 12. Bxf6 Bxf6 13. Ncd5 Be5 14. c3 Nc6 15. Nxe6 Qxe6 16. f4 Bf6 17. Qf3 Ne7 18. Ne3 g6 19. g4 Qd7 20. g5 Bg7 21. Bh3 Qb5 22. Rf2 f5 23. gxf6 Rxf6 24. Bf1 Qc6 25. Bc4+ Kh8 26. Nd5 Nxd5 27. Bxd5 Qc7 28. Raf1 b5 29. h4 b4 30. Rg2 bxc3 31. bxc3 Rdf8 32. Qg3 Bh6 33. f5 Qg7 34. Kh1 gxf5 35. Qxg7+ Bxg7 36. Rfg1 Rg6 37. Rxg6 hxg6 38. Rxg6 fxe4 39. Rxd6 1/2-1/2

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.06"]
[Round "8"]
[White "Neumann, Klaus"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "B26"]
[BlackElo "2265"]
[PlyCount "44"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nd1 Qxd2+ 9. Bxd2 Nb4 10. Bxb4 cxb4 11. a3 bxa3 12. Rxa3 Ne7 13. Ne2 0-0 14. 0-0 Bd7 15. c3 a6 16. Ne3 Bb5 17. Rd1 Rfd8 18. f4 Bc6 19. Kf2 d5 20. e5 Nf5 21. Nxf5 gxf5 22. Nd4 Be8 1/2-1/2

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.05"]
[Round "7"]
[White "Bonchev, Stojko"]
[Black "Graul, Paul"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2265"]
[PlyCount "59"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nc6 8. a3 h6 9. Bh4 a6 10. Nge2 Re8 11. Qc2 Be6 12. 0-0 Ng4 13. Bxe7 Nxe7 14. Nf4 Qd6 15. g3 Bc8 16. b4 c6 17. Na4 Qd8 18. Nh5 g6 19. Nf4 Nf5 20. Rfe1 Kg7 21. Nc5 Ngxe3 22. fxe3 Nxe3 23. Qf2 Ng4 24. Rxe8 Qxe8 25. Re1 Qd8 26. Qe2 b6 27. Nce6+ Bxe6 28. Nxe6+ fxe6 29. Qxg4 Qf6 30. Rxe6 1-0

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.03"]
[Round "6"]
[White "Bonchev, Stojko"]
[Black "Mardarowicz, Jacek"]
[Result "0-1"]
[ECO "E59"]
[WhiteElo "2265"]
[PlyCount "104"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. Bd3 c5 7. a3 Bxc3+ 8. bxc3 Nc6 9. 0-0 dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. Qc2 Re8 13. Ng5 h6 14. Ne4 Nxe4 15. Bxe4 Ne7 16. dxe5 Qxe5 17. Rb1 Rb8 18. Bd3 Rd8 19. c4 Qd6 20. Be4 b6 21. Bb2 Bb7 22. Qc3 f6 23. Bc2 Qd2 24. Rfd1 Qxc3 25. Bxc3 Kf7 26. a4 Ba6 27. Bb3 Nc6 28. Rd5 Ne7 29. Rdd1 Ke6 30. f3 Nc6 31. Kf2 Ne5 32. Bxe5 Kxe5 33. Ke2 Rd6 34. Rxd6 Kxd6 35. Rd1+ Ke7 36. e4 Rd8 37. Rd5 Rd6 38. Ke3 Bb7 39. Rxd6 Kxd6 40. f4 Bc8 41. Bd1 Be6 42. Kd3 g5 43. g3 Bh3 44. Be2 Kc6 45. e5 fxe5 46. fxe5 Bf5+ 47. Ke3 Bc2 48. Bd3 Bxa4 49. Ke4 Kd7 50. Kf5 Ke7 51. Kg6 Be8+ 52. Kxh6 g4 0-1

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.02"]
[Round "5"]
[White "Adamski, Andrzej"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2265"]
[PlyCount "97"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Nc3 e6 8. exd6 Qxd6 9. Bc4 Be7 10. 0-0 0-0 11. Qc2 Nxc3 12. bxc3 b6 13. Qe4 Bb7 14. Bd3 g6 15. Qe3 Qd5 16. Rb1 Na5 17. Rb5 Qd8 18. Qh6 Bd5 19. Re1 Bf6 20. Ng5 Bxg5 21. Bxg5 f6 22. Bxg6 Qd7 23. Bxf6 Rxf6 24. Bxh7+ Kf7 25. Qh5+ Kf8 26. Qe5 Rf7 27. Bd3 Rg7 28. g3 Qf7 29. Rbb1 Nc4 30. Bxc4 Bxc4 31. Re4 Kg8 32. Rf4 Qg6 33. Re1 Bd5 34. h4 Rc8 35. Rf6 Qg4 36. Rxe6 Bxe6 37. Qxe6+ Qxe6 38. Rxe6 Rxc3 39. h5 Rc2 40. Kg2 Rxa2 41. d5 Rf7 42. g4 Raxf2+ 43. Kh3 Rd2 44. d6 Rd5 45. Kh4 Kg7 46. g5 Rd4+ 47. Kg3 Rf5 48. Re7+ Kf8 49. h6 1-0

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.09.01"]
[Round "4"]
[White "Bonchev, Stojko"]
[Black "Czauszev, Ismet"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2265"]
[PlyCount "30"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Ne2 Be7 6. 0-0 0-0 7. Bf4 Bd6 8. c3 Bxf4 9. Nxf4 Qd6 10. Qf3 c6 11. Nd2 Bg4 12. Qg3 Qd7 13. h3 Bf5 14. Rfe1 Bxd3 15. Nxd3 Rd8 1/2-1/2

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.08.31"]
[Round "3"]
[White "Nowak, Ignacy"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2295"]
[BlackElo "2265"]
[PlyCount "133"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. 0-0 Nc6 7. Rb1 d5 8. b3 Bf5 9. d3 d4 10. Na4 Nd7 11. a3 Qc7 12. b4 b6 13. Nh4 Bg4 14. b5 Na5 15. Bxa8 Rxa8 16. Bd2 Nb7 17. f3 Bh3 18. Ng2 h5 19. Rf2 e5 20. Nb2 Nd6 21. Qc2 f5 22. e4 dxe3 23. Nxe3 Nf6 24. Bc3 Re8 25. Re1 Qf7 26. Nbd1 f4 27. gxf4 exf4 28. Ng2 Rxe1+ 29. Nxe1 Nf5 30. Qe2 Qd7 31. Nc2 g5 32. Qd2 Qc7 33. a4 Nh4 34. Ne1 Ng6 35. Re2 g4 36. Re6 Kf7 37. Rc6 Qe7 38. Nf2 Ne5 39. Qxf4 Nxc6 40. bxc6 Ke8 41. Qe5 Qxe5 42. Bxe5 Kd8 43. Nxh3 gxh3 44. Nc2 Ne8 45. Bf4 Kc8 46. Kf2 Bc3 47. Kg3 Ng7 48. Kxh3 Nf5 49. Kg2 Ne7 50. c7 Ng6 51. Bd6 Be5 52. Bxe5 Nxe5 53. Ne1 Kxc7 54. f4 Ng4 55. Nc2 Kd6 56. h3 Nf6 57. Kg3 Ke6 58. Ne3 a6 59. Kh4 Kf7 60. Kg5 Ke6 61. Kg6 h4 62. Kg5 Ne8 63. Kxh4 Nd6 64. Kg5 b5 65. cxb5 axb5 66. axb5 Nxb5 67. Kg6 1-0

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.08.30"]
[Round "2"]
[White "Bonchev, Stojko"]
[Black "Gunev, Zlatan"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2265"]
[PlyCount "30"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Nf6 8. 0-0 Be7 9. Nc3 0-0 10. Bf4 c5 11. Nb3 c6 12. Rfe1 a5 13. a4 Be6 14. Rad1 Bxb3 15. cxb3 Rfd8 1/2-1/2

[Event "Vitrobud op"]
[Site "Sandomierz"]
[Date "1976.08.29"]
[Round "1"]
[White "Dobosz, Henryk"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "A16"]
[BlackElo "2265"]
[PlyCount "61"]
[EventDate "1976.08.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nd7 8. Nf3 0-0 9. 0-0 Rb8 10. Qa4 Nb6 11. Qa5 Bf5 12. d3 Qc8 13. Bf4 Rd8 14. c4 f6 15. e4 e5 16. exf5 exf4 17. fxg6 hxg6 18. Nh4 Kf7 19. Rfe1 Qd7 20. Be4 f5 21. Nxf5 gxf5 22. Bxf5 Qd4 23. Be6+ Ke7 24. Bg4+ Kf8 25. Re4 Qd6 26. c5 Qxd3 27. Rxf4+ Kg8 28. Be6+ Kh8 29. Rh4+ Bh6 30. Re1 Qg6 31. cxb6 1-0

[Event "Bulgaria"]
[Site "Bulgaria"]
[Date "1975.??.??"]
[Round "?"]
[White "Spassov, Liuben"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "73"]
[EventDate "1975.??.??"]
[EventType "game"]
[EventRounds "1"]
[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. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. b4 b6 7. Bb2 Bb7 8. Qb3 c6 9. cxd5 cxd5 10. b5 Nbd7 11. Be2 Ne4 12. 0-0 e6 13. Rfc1 Qf6 14. a4 g5 15. Nd1 Rfc8 16. Rxc8+ Rxc8 17. a5 Bf8 18. a6 Ba8 19. Rc1 Qd8 20. Rc2 Bd6 21. Ne1 Kg7 22. f3 Nef6 23. Ba3 Rxc2 24. Nxc2 Bb8 25. Qc3 Ne8 26. g3 h5 27. Nf2 f5 28. Nb4 Nd6 29. Nh3 Kf6 30. Nc6 Qc8 31. e4 dxe4 32. d5+ e5 33. f4 gxf4 34. gxf4 Qg8+ 35. Kf1 Nf7 36. Bxh5 Bxc6 37. Qxc6+ 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.18"]
[Round "15"]
[White "Bonchev, Stojko"]
[Black "Sidyakov, Borislav"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "94"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3 Bh5 6. g4 Bg6 7. Bd3 dxe5 8. Bxg6 hxg6 9. Nxe5 Nb4 10. Be3 Qd5 11. Ke2 N8c6 12. Nc3 Qa5 13. a3 Qa6+ 14. Ke1 Nxe5 15. axb4 Qc6 16. Kd2 e6 17. Kc1 Rd8 18. d5 Qc4 19. Bd4 Nc6 20. dxc6 Rxd4 21. cxb7 Rxd1+ 22. Rxd1 Qxb4 23. Rxa7 Bd6 24. Ra8+ Ke7 25. Rxh8 Qxb7 26. Rd3 Qa7 27. Nd1 f5 28. f3 Qa1+ 29. Kd2 Bf4+ 30. Ke2 Qc1 31. Rdd8 Qxc2+ 32. Ke1 Qg2 33. Nc3 Bg3+ 34. Kd1 Qxf3+ 35. Kc2 Bd6 36. gxf5 gxf5 37. h4 f4 38. h5 Kf7 39. h6 gxh6 40. Rxh6 Qg2+ 41. Kb3 f3 42. Ne4 f2 43. Rd7+ Be7 44. Rh7+ Kg6 45. Rdxe7 Qxe4 46. Reg7+ Kf6 47. Rf7+ Ke5 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.16"]
[Round "14"]
[White "Ermenkov, Evgenij"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "135"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. h3 d5 8. e5 Ne8 9. d4 cxd4 10. cxd4 Nc7 11. Ba4 b5 12. Bb3 a5 13. a4 bxa4 14. Bxa4 Nb4 15. Be3 Ba6 16. Ra3 Ne6 17. Qd2 Rb8 18. Ng5 Qb6 19. Nxe6 Qxe6 20. Bf4 Rb7 21. Rg3 Nc6 22. Rc1 Nd8 23. Qxa5 Rxb2 24. Rb3 Rxb3 25. Bxb3 Bc4 26. Bxc4 dxc4 27. Qc5 f6 28. exf6 Rxf6 29. Be3 Rf5 30. Qxc4 Qxc4 31. Rxc4 Rd5 32. Nc3 Rd7 33. f4 Ne6 34. Ne2 h5 35. g3 Bf6 36. Kg2 Kf7 37. Kf3 Nc7 38. Nc3 Nd5 39. Nxd5 Rxd5 40. Ke4 e6 41. Rc7+ Ke8 42. Rc4 Rb5 43. g4 hxg4 44. hxg4 Be7 45. Rc8+ Kf7 46. Rc6 Bf8 47. Ra6 Rb2 48. Ra7+ Be7 49. Bc1 Rc2 50. Kd3 Rg2 51. g5 Ke8 52. Ra8+ Kf7 53. Ra6 Rg1 54. Bd2 Rg2 55. Rc6 Rg3+ 56. Ke4 Rb3 57. Ba5 Rb1 58. Bc7 Re1+ 59. Kf3 Rf1+ 60. Ke2 Rb1 61. Be5 Rb3 62. Rc7 Ke8 63. Rc8+ Kf7 64. Rh8 Bf8 65. Rh7+ Ke8 66. Kd2 Rf3 67. Rb7 Rh3 68. Rb6 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.15"]
[Round "13"]
[White "Bonchev, Stojko"]
[Black "Kirov, Nino"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "81"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. e5 Ne4 9. Bd2 Nxd2 10. Qxd2 Qa5 11. f4 Ba6 12. a3 Bxc3 13. Qxc3 Qxc3+ 14. bxc3 c5 15. Be2 Rb8 16. 0-0-0 Rb6 17. Rd2 Ke7 18. Rhd1 Rd8 19. Rd6 Rxd6 20. Rxd6 Bb7 21. Bf3 Bxf3 22. gxf3 Rb8 23. Ra6 Rb7 24. Kc2 f6 25. h4 Kf7 26. f5 g5 27. hxg5 fxg5 28. f6 h5 29. Rd6 h4 30. Rd1 Kg6 31. Rg1 Kf5 32. Kd3 Rb8 33. Ke3 h3 34. Rg3 h2 35. Rh3 Kxe5 36. f7 Rf8 37. Rxh2 Rxf7 38. Rg2 Kf5 39. Rd2 Ke5 40. Rg2 Rf5 41. Rb2 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.14"]
[Round "12"]
[White "Orev, Petar"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "A37"]
[PlyCount "86"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 g6 3. c4 Bg7 4. Nc3 Nc6 5. a3 a5 6. d3 e5 7. Nf3 Nge7 8. 0-0 0-0 9. Ne1 d6 10. Nc2 f5 11. Bg5 h6 12. Bxe7 Nxe7 13. Qd2 Bd7 14. b4 Bc6 15. e4 f4 16. f3 axb4 17. axb4 Rxa1 18. Rxa1 cxb4 19. Nd5 Bxd5 20. cxd5 b3 21. Ne1 Qb6+ 22. Qf2 Qb4 23. Bh3 fxg3 24. hxg3 Nf5 25. Bxf5 gxf5 26. Rb1 Ra8 27. Qb2 f4 28. g4 Bf6 29. Kf1 Bh4 30. Qh2 Bg5 31. Qb2 Bh4 32. Qh2 Bg5 33. Qb2 Rc8 34. Qxb3 Qxb3 35. Rxb3 Rc1 36. Ke2 Bh4 37. Ng2 Rc2+ 38. Kf1 Bg3 39. d4 exd4 40. e5 dxe5 41. d6 Kf7 42. Rxb7+ Ke6 43. d7 Ke7 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.13"]
[Round "11"]
[White "Bonchev, Stojko"]
[Black "Stankov, Georgi"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "48"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Bb4 7. Nde2 Nf6 8. Bg2 Be7 9. 0-0 0-0 10. Nf4 Nc6 11. Re1 d6 12. a4 Rb8 13. Be3 b6 14. Nd3 Bb7 15. Qe2 Rfd8 16. Red1 Na5 17. f3 Nc4 18. Bf2 Nxb2 19. Nxb2 Qxc3 20. Nd3 d5 21. Rab1 dxe4 22. fxe4 Bc6 23. Bxb6 Rxb6 24. Rxb6 Bc5+ 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.11"]
[Round "10"]
[White "Konstantinov, Venelin"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "160"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. b3 c5 7. Bb2 cxd4 8. Bxd4 Nc6 9. Bb2 Qc7 10. Nbd2 Rd8 11. Re1 e5 12. Qc1 Bg4 13. h3 Bf5 14. g4 Be6 15. Nf1 Rac8 16. c4 d4 17. N3d2 Bh6 18. Qb1 Qd7 19. Bc1 Bg7 20. Ng3 b5 21. g5 Ne8 22. c5 Bxh3 23. Nde4 Bxg2 24. Kxg2 Ne7 25. Qd3 Nd5 26. Qf3 f5 27. gxf6 Nexf6 28. Nxf6+ Nxf6 29. Ba3 a5 30. c6 Qxc6 31. Be7 e4 32. Qf4 Nd5 33. Qh4 Nxe7 34. Qxe7 Re8 35. Qg5 e3+ 36. f3 d3 37. Rec1 Qd7 38. Rxc8 Qxc8 39. Rd1 dxe2 40. Nxe2 Qc6 41. Qd5+ Qxd5 42. Rxd5 Rc8 43. f4 Rc2 44. Kf3 a4 45. Rxb5 a3 46. Rb8+ Bf8 47. Nd4 Rxa2 48. Kxe3 h5 49. Kf3 Ra1 50. Nc2 Rf1+ 51. Kg2 Rxf4 52. Nxa3 Kg7 53. Nc4 g5 54. Rb7+ Kg8 55. Rb5 Be7 56. Re5 Kf7 57. Ne3 Kf6 58. Rb5 Re4 59. Kf3 Re6 60. b4 Kg6 61. Rb8 h4 62. Ng4 Rd6 63. Ne5+ Kf5 64. Rb5 Ke6 65. Nc4 g4+ 66. Ke4 Rd1 67. Ne3 g3 68. Rh5 Rd2 69. Rh6+ Kf7 70. Rh7+ Kf8 71. Rh6 Bg5 72. Rg6 Bxe3 73. Kxe3 Rb2 74. Kf3 Rxb4 75. Kg2 Kf7 76. Rg5 Kf6 77. Rg8 Rb2+ 78. Kg1 Kf5 79. Kh1 Kf4 80. Kg1 Kf3 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.10"]
[Round "9"]
[White "Bonchev, Stojko"]
[Black "Karapchanski, Dimitar Z"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "39"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nf6 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6 8. Qf4 g6 9. Be3 Bg7 10. 0-0-0 Qf6 11. Qxf6 Bxf6 12. Nd5 Bd8 13. Bg5 Be6 14. Bxd8 Kxd8 15. Ng5 Bxd5 16. Rxd5 Ke7 17. c3 f5 18. Bb5 Kf6 19. f4 h6 20. Nf3 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.09"]
[Round "8"]
[White "Prodanov, Dimitar"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "51"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. 0-0 g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Re1 Ng4 11. Bb3 Ne5 12. Qd2 Be6 13. Bh6 0-0 14. Bxg7 Kxg7 15. f4 Qb6+ 16. Kh1 Nd7 17. Rf1 Rad8 18. Rf3 d5 19. f5 Nf6 20. Rh3 Ng4 21. Rf1 dxe4 22. Qg5 Bxb3 23. Qxg4 Bxc2 24. Qg5 h5 25. Rxh5 Qa6 26. f6+ 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.08"]
[Round "7"]
[White "Bonchev, Stojko"]
[Black "Pantaleev, Dimitar Dimitrov"]
[Result "1/2-1/2"]
[ECO "C34"]
[PlyCount "139"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. f4 e5 3. Nf3 exf4 4. Bc4 Be6 5. Qe2 Nc6 6. d4 Bxc4 7. Qxc4 Nf6 8. Nc3 Be7 9. Bxf4 0-0 10. 0-0 Nd7 11. Rad1 Nb6 12. Qe2 Re8 13. Qf2 d5 14. Ne5 f6 15. Nxc6 bxc6 16. e5 Nc4 17. b3 fxe5 18. dxe5 Nb6 19. Kh1 Nd7 20. Na4 Rf8 21. Qg3 Qe8 22. c4 Nb6 23. Nxb6 axb6 24. cxd5 cxd5 25. Qd3 c6 26. a4 Qg6 27. Qxg6 hxg6 28. Rf3 Rf5 29. Be3 Ra6 30. Rxf5 gxf5 31. Rf1 Kf7 32. Rxf5+ Ke6 33. g4 g6 34. Rf1 Kxe5 35. Re1 Kd6 36. Bf4+ Kd7 37. Rd1 Ra8 38. Kg2 Rf8 39. Kg3 g5 40. Be3 Bd8 41. h3 Kd6 42. Bf2 c5 43. Kg2 d4 44. Bg3+ Kd5 45. Rf1 Re8 46. Rf5+ Ke4 47. Rf3 Rh8 48. Bh2 Rh7 49. Kf2 Bc7 50. Bxc7 Rxc7 51. Ke2 b5 52. axb5 Rb7 53. Rf5 Rxb5 54. Rxg5 d3+ 55. Kd2 Kd4 56. Rf5 Rxb3 57. Rf4+ Kd5 58. Ke3 c4 59. Rf5+ Kd6 60. Rf2 Kc5 61. g5 Rb6 62. Rg2 Rd6 63. g6 d2 64. Rxd2 Rxg6 65. Rh2 Rb6 66. h4 Rb3+ 67. Ke4 c3 68. Kd3 Kb4 69. Rc2 Ra3 70. h5 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.06"]
[Round "6"]
[White "Tomov, Krum"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B66"]
[PlyCount "93"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. Qe1 Be7 12. f3 Qc7 13. g4 Nd7 14. Qg3 Ne5 15. h4 0-0-0 16. Be3 d5 17. f4 Nc4 18. Bxc4 dxc4 19. Qf2 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. g5 b5 23. a3 Kb7 24. Bc5 e5 25. Bxe7 Qxe7 26. gxh6 gxh6 27. fxe5 Qxe5 28. Qxf7+ Kb6 29. Qf2+ Qc5 30. Qf4 Kb7 31. Kd2 a5 32. e5 Qg1 33. e6 Qg2+ 34. Ne2 Bf3 35. Qe3 Qxe2+ 36. Qxe2 Bxe2 37. Kxe2 Kc6 38. Ke3 Kd6 39. Kd4 Kxe6 40. a4 c3 41. Kxc3 bxa4 42. Kd4 Kd6 43. h5 Kc6 44. c4 Kd6 45. c5+ Kc7 46. Kd5 Kd7 47. c6+ 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.05"]
[Round "5"]
[White "Bonchev, Stojko"]
[Black "Babev, Aleksandar"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "106"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Qc7 7. Bg2 Nf6 8. 0-0 Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd3 Nd7 12. Na4 e5 13. Bg5 h6 14. Bd2 b5 15. Nxc5 Nxc5 16. Qe3 Bb7 17. f4 exf4 18. Qxf4 0-0 19. Qg4 Qc8 20. Qh4 Qe6 21. Rae1 Rae8 22. Bh3 Qc4 23. Bf5 Bxe4 24. b4 Qxc2 25. Qf4 Bxf5 26. Qxf5 Qxf5 27. Rxf5 Rxe1+ 28. Bxe1 Ne4 29. a4 Rb8 30. Kg2 Rb6 31. Rd5 g6 32. Rd4 f5 33. axb5 axb5 34. g4 Kf7 35. gxf5 gxf5 36. Bf2 Rc6 37. Be3 Rc2+ 38. Kg1 Ke6 39. Bxh6 Nc3 40. Rh4 Rb2 41. Bf8 Ne4 42. Rh6+ Kd5 43. Rh5 Rb1+ 44. Kg2 Ke5 45. Rh8 Rb2+ 46. Kg1 Rxb4 47. h4 Rb1+ 48. Kg2 Rb2+ 49. Kh3 Kf4 50. Rg8 Nf2+ 51. Kg2 Ng4+ 52. Kf1 Kf3 53. Ke1 Ne3 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.04"]
[Round "4"]
[White "Merdinjan, Agop"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "B88"]
[PlyCount "100"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. Bb3 e6 8. Be3 Be7 9. Qe2 0-0 10. Rg1 Nxd4 11. Bxd4 b5 12. Nxb5 Nxe4 13. Qxe4 Bxb5 14. 0-0-0 d5 15. Qe3 a5 16. a4 Bd7 17. g4 Qb8 18. f4 Bd6 19. Rdf1 Qe8 20. Bc3 Bb4 21. Bd4 Bxa4 22. Bxa4 Qxa4 23. Kb1 Rfc8 24. Rf2 Bd6 25. Rg3 Rc4 26. Rd2 Rac8 27. c3 Bc5 28. Bxc5 R8xc5 29. f5 Re4 30. Qf2 Rc8 31. h3 exf5 32. gxf5 Rce8 33. Rg1 Re3 34. Rd4 Qb5 35. Qh4 g6 36. fxg6 hxg6 37. Rdg4 Qd3+ 38. Ka1 Re2 39. Qf6 R8e6 40. Qd8+ Kg7 41. Rh4 Re8 42. Qb6 Re1+ 43. Rxe1 Rxe1+ 44. Ka2 Re4 45. Rxe4 dxe4 46. Qxa5 e3 47. Qe5+ Kh7 48. Qe7 Qd5+ 49. Kb1 Qf5+ 50. Kc1 Qf2 0-1

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.03"]
[Round "3"]
[White "Bonchev, Stojko"]
[Black "Kerchev, Zlatozar"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "33"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 Nb6 10. Be3 e6 11. 0-0-0 Rc8 12. Kb1 Be7 13. d5 Nxd5 14. Nxd5 exd5 15. Bh3 Na5 16. Qb5+ Rc6 17. Rxd5 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.02"]
[Round "2"]
[White "Arnaudov, Petar"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "79"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 d6 5. d4 Bg4 6. Be2 Bg7 7. d5 Bxf3 8. Bxf3 Ne5 9. Be2 Nf6 10. 0-0 0-0 11. e4 Ned7 12. Bg5 h6 13. Bh4 a6 14. a4 a5 15. f4 Ra6 16. Qc2 Nh7 17. Bd3 Re8 18. Rae1 g5 19. e5 Ndf8 20. fxg5 dxe5 21. Qf2 f6 22. gxh6 Bxh6 23. Ne4 Ne6 24. Qg3+ Ng7 25. Nxc5 Bf4 26. Bxh7+ Kxh7 27. Qd3+ f5 28. Nxa6 bxa6 29. c5 Qc7 30. Bf2 e4 31. Qh3+ Kg6 32. Bd4 e5 33. Be3 Nh5 34. g4 fxg4 35. Qxg4+ Kh6 36. Kh1 Qf7 37. Rg1 Rb8 38. Bxf4+ exf4 39. Rxe4 Rxb2 40. Re5 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.01"]
[Round "1"]
[White "Radev Iordanov, Nikolay"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "B66"]
[PlyCount "93"]
[EventDate "1973.02.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. f3 Qb6 12. Bc4 Rd8 13. Rhe1 Be7 14. Bb3 Qa5 15. Kb1 Nd7 16. Nd5 Qxd2 17. Rxd2 Nc5 18. Nb6 Nxb3 19. axb3 Bg5 20. g3 Ke7 21. c4 Bxf4 22. gxf4 g5 23. Nd5+ Bxd5 24. exd5 gxf4 25. Rd4 Rhg8 26. Rxf4 Rg6 27. Ka2 Rdg8 28. b4 Rg2 29. c5 Rxh2 30. cxd6+ Kxd6 31. Rxf7 Rgg2 32. dxe6 Rxb2+ 33. Ka3 Ra2+ 34. Kb3 Rab2+ 35. Kc3 Rhc2+ 36. Kd3 Rd2+ 37. Ke4 Re2+ 38. Rxe2 Rxe2+ 39. Kf4 b6 40. Rd7+ Kxe6 41. Rb7 Kd5 42. Rxb6 Re6 43. Rb8 Rf6+ 44. Kg4 h5+ 45. Kxh5 Rxf3 46. Rb6 Ra3 47. Kg5 1/2-1/2

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.24"]
[Round "19"]
[White "Bonchev, Stojko"]
[Black "Popov, Luben"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "78"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 b6 8. 0-0 Bb7 9. Qd3 d6 10. f4 Nbd7 11. Bf3 Rc8 12. b3 b5 13. Rb1 Nc5 14. Qe2 b4 15. e5 dxe5 16. fxe5 Nfd7 17. Bxb7 Qxb7 18. Nd1 Qe4 19. Qxe4 Nxe4 20. Nf3 Bc5+ 21. Be3 0-0 22. Bxc5 Ndxc5 23. Nf2 Nc3 24. Rb2 Rfd8 25. h3 a5 26. Ra1 h6 27. Kh2 Rd7 28. Re1 Rcd8 29. Re3 Kf8 30. Re1 Ke7 31. Ra1 Rc8 32. Nd2 f5 33. a3 Rxd2 34. Rxd2 Nxb3 35. Rda2 Nxa1 36. Rxa1 b3 37. Nd3 Rd8 38. Nb2 Rd2 39. Rc1 Rc2 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.22"]
[Round "18"]
[White "Merdinjan, Agop"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "25"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. Be3 0-0 9. 0-0 Nd4 10. Qd2 Rb8 11. Qf2 Nxf3+ 12. Bxf3 Nc6 13. Bg2 1/2-1/2

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.21"]
[Round "17"]
[White "Bonchev, Stojko"]
[Black "Tomov, Krum"]
[Result "1-0"]
[ECO "B61"]
[PlyCount "59"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4 Nxd4 9. Qxd4 Qa5 10. e5 dxe5 11. fxe5 e6 12. 0-0-0 Bc6 13. Bxf6 gxf6 14. Ne4 Be7 15. Nd6+ Bxd6 16. exd6 Qg5+ 17. Kb1 0-0 18. Qf2 Be4 19. Bd3 f5 20. Rhe1 Bxd3 21. Rxd3 f4 22. g3 Qc5 23. Qd2 fxg3 24. Rxg3+ Kh8 25. Rc3 Qf5 26. Rxc8 Rxc8 27. d7 Rd8 28. Qc3+ Kg8 29. Rg1+ Kf8 30. Qa3+ 1-0

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.20"]
[Round "16"]
[White "Grancharov, Georgi"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "91"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nc7 8. a4 0-0 9. d3 a6 10. Bxc6 dxc6 11. Be3 Ne6 12. Ne4 Nd4 13. Nxd4 cxd4 14. Bf4 Be6 15. Nc5 Bd5 16. a5 Qc8 17. h3 h5 18. Qd2 Kh7 19. b3 Rg8 20. Ne4 f6 21. exf6 exf6 22. Re2 g5 23. Bh2 Qf5 24. Nd6 Qg6 25. Re7 h4 26. Qe2 Kh8 27. Re1 Bf8 28. Rxb7 Bxd6 29. Bxd6 g4 30. g3 Rae8 31. Re7 Rxe7 32. Qxe7 Qf5 33. Bf4 gxh3 34. Kh2 hxg3+ 35. fxg3 Rg7 36. Qd8+ Rg8 37. Qe7 Rg7 38. Qf8+ Kh7 39. Qe8 Qg4 40. Qe2 f5 41. Qf2 Kg6 42. Bc1 Rf7 43. Qf4 Qxf4 44. gxf4 Rh7 45. Bb2 Rh4 46. Rf1 1/2-1/2

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.18"]
[Round "15"]
[White "Bonchev, Stojko"]
[Black "Spassov, Liuben"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "102"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Be3 Be7 8. Be2 0-0 9. 0-0 Qc7 10. Qe1 a6 11. a4 Bd7 12. Qg3 Kh8 13. Rad1 Rac8 14. Bd3 Nxd4 15. Bxd4 e5 16. fxe5 dxe5 17. Be3 Be6 18. Kh1 Rfd8 19. Bg5 Ng8 20. Nd5 Bxd5 21. exd5 Bxg5 22. Qxg5 Rxd5 23. Rf3 Qd8 24. Qg4 Rd4 25. Qg3 Nf6 26. Qxe5 Rxc2 27. Re1 Rd2 28. Bf5 Rd5 29. Qc3 Rd1 30. Rff1 Rxe1 31. Qxe1 Rd2 32. Qc1 Qd5 33. Qc8+ Ng8 34. Rg1 Rxb2 35. Bg4 Qd4 36. Bf3 Ra2 37. h3 b5 38. Rd1 Ra1 39. Rxa1 Qxa1+ 40. Kh2 Qxa4 41. Qb7 Qf4+ 42. Kh1 Qf6 43. Bd5 Qe7 44. Qa8 g6 45. Bb3 Qe1+ 46. Kh2 Qe5+ 47. Kh1 Qa1+ 48. Kh2 Kg7 49. Qd5 Qf6 50. g4 Ne7 51. Qd2 h6 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.17"]
[Round "14"]
[White "Kirov, Nino"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "67"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 Bf5 10. Nxc6 bxc6 11. Na4 Nd7 12. Bf4 Qa5 13. b3 Rac8 14. Rc1 Qb4 15. Be3 Rfe8 16. Qe1 Qb5 17. Qd2 e5 18. dxe5 Rxe5 19. Nc3 Qa6 20. Bd4 Re7 21. Bxg7 Kxg7 22. Rfe1 Nf6 23. e3 Ne4 24. Nxe4 Bxe4 25. Rc5 Bxg2 26. Kxg2 Re6 27. Rec1 h5 28. Ra5 Qb7 29. Qd4+ Rf6 30. Rxa7 Qb5 31. Rc2 Re8 32. a4 Qb8 33. Rxc6 Qd8 34. Raa6 1-0

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.16"]
[Round "13"]
[White "Bonchev, Stojko"]
[Black "Ajanski, Jordan S"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "136"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bc4 d6 5. c3 Ne5 6. Nxe5 dxe5 7. Qb3 Qd7 8. 0-0 a6 9. a4 Nf6 10. cxd4 exd4 11. e5 Ne4 12. e6 fxe6 13. Re1 Nc5 14. Qh3 a5 15. Ra3 c6 16. Rf3 Kd8 17. Qh5 Be7 18. Rf7 Qe8 19. Bg5 Bf6 20. g4 Rf8 21. Rxf8 Qxf8 22. Bxf6+ gxf6 23. Qxh7 Qe7 24. Qh8+ Kc7 25. g5 fxg5 26. Qxd4 Bd7 27. Nc3 Rf8 28. Bf1 Qd6 29. Qe3 Rf4 30. Rd1 Qe7 31. Qe5+ Kb6 32. Rd6 Qf8 33. Bg2 Qf5 34. Qe2 Kc7 35. Rd1 b6 36. Qd2 Qe5 37. b3 Rh4 38. h3 Qf4 39. Qc2 e5 40. Ne2 Qf6 41. Qc3 Rb4 42. Nc1 Rd4 43. Re1 Qf4 44. Ne2 Qd2 45. Qxd2 Rxd2 46. Ng3 Kd6 47. Re3 Be6 48. Ne4+ Nxe4 49. Bxe4 Rd4 50. Bg2 Rb4 51. Rg3 g4 52. Rd3+ Rd4 53. Rc3 c5 54. h4 Rf4 55. Rd3+ Ke7 56. Bb7 Rb4 57. Re3 Kf6 58. Rd3 Bxb3 59. Rd6+ Ke7 60. Rh6 Bxa4 61. h5 Bc2 62. Rh8 Rf4 63. Bd5 Rf8 64. Rh6 Rf6 65. Rh8 Kd6 66. Rd8+ Kc7 67. Re8 b5 68. Rxe5 Kd6 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.14"]
[Round "12"]
[White "Ermenkov, Evgenij"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "55"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Rhg1 Na5 11. Bb3 Nxb3+ 12. axb3 Bd7 13. g4 Bc6 14. Nxc6 Qxc6 15. f3 Nd7 16. g5 Nc5 17. Bd4 0-0 18. Qf2 Rfc8 19. Bf6 Bf8 20. Qh4 Nd7 21. f4 b5 22. Rd3 b4 23. Rh3 h6 24. gxh6 bxc3 25. Rxg7+ Bxg7 26. h7+ Kh8 27. Bxg7+ Kxg7 28. h8Q+ 1-0

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.13"]
[Round "11"]
[White "Bonchev, Stojko"]
[Black "Arnaudov, Petar"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "91"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Qc7 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Qe5 6. Be3 Qxe4 7. Nc3 Qe5 8. Be2 e6 9. Qd2 Bc5 10. Nxc6 bxc6 11. Bxc5 Qxc5 12. Ne4 Qe5 13. Nd6+ Ke7 14. 0-0-0 Nf6 15. g4 Rd8 16. f4 Qc5 17. f5 Rb8 18. fxe6 fxe6 19. Rhf1 Ba6 20. g5 Nd5 21. Ne4 Qe3 22. cxd5 Qxd2+ 23. Rxd2 cxd5 24. Bxa6 dxe4 25. Rdf2 Rb6 26. Rf7+ Kd6 27. Be2 Ke5 28. Rxg7 d5 29. Rxh7 d4 30. Rh3 Rc6+ 31. Kb1 d3 32. Bxd3 exd3 33. Re3+ Kd4 34. Rxd3+ Kxd3 35. Rd1+ Ke4 36. Rxd8 Kf5 37. h4 e5 38. Rf8+ Kg4 39. Re8 Kf5 40. h5 Kxg5 41. Rxe5+ Kf4 42. Ra5 a6 43. b4 Ke4 44. Rc5 Rb6 45. a3 Kd4 46. Kb2 1-0

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.12"]
[Round "10"]
[White "Angelov, Kosta"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "111"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Qxd4 e6 6. Bc4 Nc6 7. Qe4 d6 8. exd6 Nf6 9. Qh4 Ne5 10. Be2 Bxd6 11. Nf3 Ng6 12. Qg5 0-0 13. 0-0 e5 14. Rd1 Qb6 15. Qd2 Bc5 16. Rf1 Ng4 17. Qe1 e4 18. Ng5 e3 19. f3 N4e5 20. b4 Be7 21. Ne4 Nf4 22. Kh1 f5 23. Nc5 Qg6 24. g3 Nxe2 25. Qxe2 b6 26. Qxe3 Bd6 27. Nb3 Ba6 28. Rd1 Bb7 29. Nd4 Qh5 30. Rf1 Rae8 31. Qf2 Ng4 32. Qg2 f4 33. Kg1 fxg3 34. hxg3 Ne3 35. Bxe3 Rxe3 36. g4 Qe5 37. Nf5 Re2 38. Rf2 Re1+ 39. Rf1 Rxf5 40. gxf5 Ba6 41. Nd2 Bxf1 42. Rxe1 Bxg2 43. Rxe5 Bxe5 44. Kxg2 Bxc3 45. Nc4 Bxb4 46. a4 Bc5 47. Kg3 a6 48. Kf4 b5 49. axb5 axb5 50. Na5 Kf7 51. Ke5 h5 52. Nb7 Be7 53. Na5 Bf6+ 54. Kf4 Ke7 55. Ke4 Kd6 56. Nb3 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.11"]
[Round "9"]
[White "Bonchev, Stojko"]
[Black "Kozarov, Petar"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "90"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. e5 dxe5 4. fxe5 Nd5 5. d4 Bf5 6. Nf3 e6 7. Bd3 Bxd3 8. Qxd3 c5 9. 0-0 Be7 10. Qe4 Nc6 11. c4 Nb6 12. dxc5 Nd7 13. Nc3 0-0 14. Rb1 a6 15. Kh1 Nxc5 16. Qg4 Qd3 17. Rd1 Qf5 18. Qxf5 exf5 19. b4 Ne4 20. Nxe4 fxe4 21. b5 axb5 22. cxb5 exf3 23. bxc6 fxg2+ 24. Kxg2 Rxa2+ 25. Kh3 bxc6 26. Rd7 Bc5 27. e6 Re2 28. exf7+ Rxf7 29. Rb8+ Bf8 30. Rdd8 Ref2 31. Rbc8 R2f6 32. Bg5 Rf5 33. Bh4 c5 34. Bg3 g6 35. Bd6 Rf2 36. Rxf8+ Rxf8 37. Bxf8 Rxf8 38. Rxc5 Kg7 39. Kg3 Rf7 40. h4 Ra7 41. h5 Kh6 42. hxg6 hxg6 43. Rb5 Ra4 44. Rc5 g5 45. Rc3 Ra1 1/2-1/2

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.09"]
[Round "8"]
[White "Radulov, Ivan"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B67"]
[PlyCount "119"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nf3 0-0-0 13. g3 Kb8 14. Bh3 Na5 15. Nd4 h5 16. f5 b4 17. Nce2 e5 18. Nb3 Bc6 19. Nxa5 Qxa5 20. Bg2 Bh6 21. Qd3 Bb5 22. c4 bxc3 23. Qxc3 Qb6 24. Qb3 Qf2 25. Nc3 Qxg2 26. a4 Rd7 27. axb5 axb5 28. Rhe1 Rc8 29. Nxb5 Rb7 30. Qd3 Qf2 31. Re2 Qb6 32. Nc3 Rc6 33. Rc2 Qa5 34. Qd5 Ra7 35. Qxa5 Rxa5 36. Rd5 Ra7 37. Rb5+ Kc8 38. Rb4 Rac7 39. Re2 Rc4 40. Rxc4 Rxc4 41. Nd5 Rc1+ 42. Ka2 Rh1 43. Rc2+ Kb8 44. h4 Bg7 45. Ka3 Rd1 46. Rc3 Rd4 47. Re3 Ka7 48. Nc3 Bh6 49. Nb5+ Ka6 50. Nxd4 Bxe3 51. Ne2 Kb5 52. Kb3 d5 53. exd5 Kc5 54. Nc3 e4 55. Kc2 Kd6 56. Nxe4+ Kxd5 57. Kd3 Ba7 58. g4 Ke5 59. gxh5 Kxf5 60. Nd6+ 1-0

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.08"]
[Round "7"]
[White "Bobotsov, Milko Georgiev"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "134"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd2 c5 7. dxc5 Na6 8. cxd5 Nxd5 9. Bxa6 bxa6 10. Nd4 Nb4 11. 0-0 e5 12. Nb3 Bb7 13. e4 Rc8 14. Be3 Qh4 15. Qe2 a5 16. Nxa5 Ba6 17. Nc4 f5 18. f3 Nc6 19. b3 Nd4 20. Qd2 f4 21. Bxd4 exd4 22. Nd5 Rxc5 23. Rac1 Rfc8 24. Qxf4 Qxf4 25. Nxf4 Bh6 26. g3 Bxc4 27. Rxc4 Rxc4 28. bxc4 Rxc4 29. Rd1 Ra4 30. Rd2 Kf7 31. Kf2 Kf6 32. h4 Ra3 33. Kg2 a5 34. Rxd4 Rxa2+ 35. Kh3 Bf8 36. Rd8 Bc5 37. Nd5+ Ke6 38. Ra8 a4 39. Nc3 Ra3 40. Ra6+ Kf7 41. Nxa4 Bd4 42. Kg4 h5+ 43. Kf4 Be3+ 44. Ke5 Bg1 45. Kf4 Be3+ 46. Ke5 Bg1 47. f4 Rxg3 48. Nb6 Bxb6 49. Rxb6 Rg4 50. Rb7+ Kf8 51. f5 gxf5 52. exf5 Rxh4 53. Kf6 Kg8 54. Rg7+ Kh8 55. Rg6 Kh7 56. Rg7+ Kh8 57. Rg5 Ra4 58. Rxh5+ Kg8 59. Rg5+ Kf8 60. Rg6 Ra1 61. Rg4 Ra6+ 62. Kg5 Kf7 63. Rb4 Kf8 64. Rb8+ Kf7 65. Rb7+ Kf8 66. Rh7 Kg8 67. Re7 Kf8 1/2-1/2

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.07"]
[Round "6"]
[White "Bonchev, Stojko"]
[Black "Bohosjan, Sarkis"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "78"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d5 4. exd5 Qxd5 5. Be2 Nf6 6. Bf3 Qd8 7. Nd2 0-0 8. Ne2 Nc6 9. 0-0 e5 10. Bxc6 bxc6 11. Nb3 Ba6 12. Re1 Re8 13. Ng3 exd4 14. Rxe8+ Qxe8 15. cxd4 Bc4 16. Nf1 Nd5 17. Na5 Bxf1 18. Kxf1 c5 19. Nb3 Qb5+ 20. Kg1 c4 21. Nc5 Re8 22. h3 c3 23. Qb3 Re1+ 24. Kh2 Qxb3 25. Nxb3 c2 26. a4 Rd1 27. Bd2 Bxd4 28. Rc1 Rxc1 29. Bxc1 Bxf2 30. g4 Nb4 31. Kg2 Nd3 32. Bd2 Be1 33. Be3 a5 34. Kf1 Bb4 35. Ke2 Nxb2 36. Nd4 Nxa4 37. Nc6 Nc3+ 38. Kd3 Na2 39. Kxc2 Nc3 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.06"]
[Round "5"]
[White "Daskalov, Georgi Ilchev"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "69"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. Be3 Qa5 10. f4 Nxd4 11. Bxd4 e5 12. Bf2 Ng4 13. Nd5 Bd8 14. f5 Nxf2 15. Rxf2 Bb6 16. Nxb6 Qxb6 17. Qh5 Bd7 18. Rd1 Qe3 19. Rd3 Qxe4 20. Bd5 Qe1+ 21. Rf1 Qb4 22. f6 Qg4 23. Qxg4 Bxg4 24. fxg7 Kxg7 25. Rg3 f5 26. h3 h5 27. hxg4 hxg4 28. Rb3 Rab8 29. Bxb7 Kg6 30. Rd1 Rf6 31. Bd5 Rc8 32. c4 Rc7 33. Rb8 Kg5 34. Rg8+ Kf4 35. Kf2 1-0

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.05"]
[Round "4"]
[White "Bonchev, Stojko"]
[Black "Padevsky, Nikola Bochev"]
[Result "0-1"]
[ECO "B81"]
[PlyCount "76"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. g5 hxg5 8. Bxg5 Nc6 9. Qd2 a6 10. 0-0-0 Bd7 11. f4 Qb6 12. Be2 Nxd4 13. Qxd4 Qxd4 14. Rxd4 Nh5 15. f5 Ng3 16. Re1 Nxe2+ 17. Rxe2 Rh5 18. Nd5 Rc8 19. h4 Bb5 20. Nb6 Rc6 21. c4 e5 22. Rdd2 Bxc4 23. Nxc4 Rxc4+ 24. Rc2 Rc6 25. Rxc6 bxc6 26. Rc2 Kd7 27. Rc4 f6 28. Bd2 Rxh4 29. Ra4 Kc7 30. Ba5+ Kc8 31. Rb4 Be7 32. Rb6 Bd8 33. Rxc6+ Kb7 34. Rxd6 Bxa5 35. Rd7+ Kc6 36. Rxg7 Rxe4 37. Ra7 Rf4 38. Rxa6+ Bb6 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.03"]
[Round "3"]
[White "Artunov, Kirkor"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "98"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Bg5 Bg7 8. Nxc6 bxc6 9. e5 dxe5 10. Qxd8+ Kxd8 11. 0-0 h6 12. Rad1+ Kc7 13. Be3 e6 14. Na4 Nd5 15. Bd2 a5 16. c4 Nf4 17. Bf3 f5 18. g3 Nh3+ 19. Kh1 Ng5 20. Bg2 e4 21. h4 Nf7 22. f3 Be5 23. fxe4 Bxg3 24. h5 g5 25. exf5 exf5 26. c5 Be6 27. Nb6 Ra6 28. Bc3 Re8 29. Bh3 g4 30. Bxg4 fxg4 31. Rxf7+ Bxf7 32. Rd7+ Kb8 33. Rxf7 Bc7 34. Nd7+ Kc8 35. Nf6 Re3 36. Rh7 Ra8 37. Rxh6 Kb7 38. Rh7 Rd8 39. Kg2 Rg3+ 40. Kf2 Rxc3 41. bxc3 Rf8 42. Rh6 Be5 43. Kg2 Rxf6 44. Rxf6 Bxf6 45. Kg3 Bxc3 46. h6 Ka6 47. a4 Kb7 48. Kxg4 Kc7 49. Kf5 Kd7 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.02"]
[Round "2"]
[White "Bonchev, Stojko"]
[Black "Peev, Peicho Chonev"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "70"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be2 Be7 8. 0-0 Qc7 9. b3 b5 10. f3 0-0 11. Qd2 bxc4 12. Bxc4 Nbd7 13. Bb2 Bb7 14. Rac1 Rac8 15. Kh1 Qa5 16. Rfd1 Qh5 17. Qe2 Ra8 18. Bd3 Rfe8 19. Qf2 g6 20. Nce2 Nc5 21. Bb1 e5 22. Ng3 Qh4 23. Nde2 a5 24. Ba3 Red8 25. Bd3 Nxd3 26. Rxd3 Ba6 27. Rdc3 Nh5 28. Qe1 Bg5 29. R1c2 Bf4 30. Kg1 Bxe2 31. Qxe2 Nxg3 32. hxg3 Bxg3 33. Qd3 Qh2+ 34. Kf1 Qh1+ 35. Ke2 Qe1# 0-1

[Event "BUL-ch25"]
[Site "Sofia"]
[Date "1972.02.01"]
[Round "1"]
[White "Atanasov, Gospodin"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "63"]
[EventDate "1972.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nf3 cxd4 6. exd4 g6 7. Bd3 Bg7 8. 0-0 0-0 9. Nbd2 Nh5 10. Be3 f5 11. Nb3 Qd6 12. Re1 b6 13. Bb5 Bd7 14. Bg5 Rae8 15. Bxc6 Bxc6 16. Ne5 Bb7 17. Qe2 h6 18. Bd2 Kh7 19. a4 f4 20. f3 Rf5 21. a5 Qd8 22. Qb5 Bc8 23. axb6 axb6 24. Ra7 Bxe5 25. dxe5 Rg5 26. Nd4 Bh3 27. Re2 Rf8 28. Nc6 Bd7 29. Qxd5 Bxc6 30. Qxc6 Rf7 31. Ra8 Qd3 32. Qe8 1-0

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.16"]
[Round "19"]
[White "Ermenkov, Evgenij"]
[Black "Bonchev, Stojko"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "71"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 d5 2. e4 dxe4 3. Ng5 Nf6 4. Bc4 e6 5. Nc3 a6 6. Ngxe4 Nxe4 7. Nxe4 b5 8. Be2 Bb7 9. Bf3 Nc6 10. 0-0 Be7 11. c3 Ne5 12. Nf6+ gxf6 13. Bxb7 Rb8 14. Bf3 Nxf3+ 15. Qxf3 Bd6 16. d4 Ke7 17. Re1 Qc8 18. Be3 c6 19. Rad1 Qc7 20. h3 Rbg8 21. d5 cxd5 22. Rxd5 Rg6 23. Rf5 Rhg8 24. g4 Be5 25. Rh5 R8g7 26. b4 f5 27. Bc5+ Bd6 28. Rxf5 Rg5 29. Bd4 Rxf5 30. Qxf5 Rg6 31. Qd5 h6 32. a3 Rg5 33. Qf3 Rg6 34. h4 f5 35. Qxf5 Bh2+ 36. Kh1 1-0

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.14"]
[Round "18"]
[White "Bonchev, Stojko"]
[Black "Krustev, Plamen"]
[Result "1/2-1/2"]
[ECO "D85"]
[PlyCount "32"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Nf3 Bg7 10. Be3 0-0 11. 0-0 Nc6 12. Qa4 cxd4 13. cxd4 Rfd8 14. Rfd1 Ne5 15. Qxd7 Nxf3+ 16. gxf3 Rxd7 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.13"]
[Round "17"]
[White "Arnaudov, Petar"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "142"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b4 Bg7 5. Bb2 0-0 6. 0-0 Nbd7 7. d3 Re8 8. c4 e5 9. cxd5 Nxd5 10. Qb3 N7b6 11. e4 Nf6 12. Nxe5 Be6 13. Qc2 Qd6 14. a3 Rad8 15. d4 c6 16. Nd2 Nh5 17. Ndc4 Qb8 18. Nxb6 axb6 19. Rad1 f5 20. exf5 Bxf5 21. Qb3+ Be6 22. d5 cxd5 23. Bxd5 Rxd5 24. Rxd5 Nf6 25. Nd7 Nxd7 26. Bxg7 Kxg7 27. Qc3+ Nf6 28. Rd2 Bh3 29. Rfd1 Qe5 30. Qxe5 Rxe5 31. f3 Be6 32. Rd6 Bb3 33. Rc1 Re7 34. Rxb6 Bd5 35. Kf2 Rf7 36. Ke3 Bxf3 37. Rd6 Bc6 38. Kd4 Ne8 39. Rd8 Nc7 40. Re1 Nb5+ 41. Kc5 Nxa3 42. Re5 Kf6 43. Re2 Kg7 44. Re5 Nb5 45. Kb6 Nc3 46. Rd3 Na4+ 47. Ka7 b6+ 48. Ka6 Bg2 49. Re1 Bf1 50. Rxf1 Rxf1 51. Kb5 Ra1 52. Rd7+ Kh6 53. h4 Nc3+ 54. Kxb6 Rb1 55. Ka5 Rg1 56. Rd3 Ne4 57. b5 Nxg3 58. b6 Nf5 59. b7 Rb1 60. Ka6 Kh5 61. Rd5 Kxh4 62. Ka7 h5 63. b8Q Rxb8 64. Kxb8 Kg4 65. Kc7 h4 66. Kd7 h3 67. Rd2 Nh4 68. Ke6 Nf3 69. Rd1 h2 70. Rh1 g5 71. Kf6 Kf4 0-1

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.12"]
[Round "16"]
[White "Bonchev, Stojko"]
[Black "Spassov, Liuben"]
[Result "0-1"]
[ECO "B61"]
[PlyCount "108"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Nxd4 8. Qxd4 Qa5 9. Bd2 e5 10. Nd5 Qxd5 11. Qxd5 Nxd5 12. exd5 Be7 13. Bd3 f5 14. f3 Bd8 15. 0-0-0 Bb6 16. Bb4 Be3+ 17. Kb1 Ke7 18. c4 b6 19. Ba3 a5 20. b3 g5 21. Rde1 Bc5 22. Bc1 Rag8 23. h3 f4 24. a3 h5 25. Kb2 Bd4+ 26. Kc2 Kf7 27. Bb2 Bc5 28. Rh2 Kg7 29. Ra1 g4 30. hxg4 hxg4 31. Rah1 Rxh2 32. Rxh2 Rh8 33. Rxh8 Kxh8 34. Kd1 Kg7 35. Ke2 Kh6 36. a4 Kg5 37. Bc3 Bb4 38. Bb2 Kh4 39. Kf2 Bc5+ 40. Kf1 gxf3 41. gxf3 Kg3 42. Ke2 Bb4 43. Be4 Kg2 44. Bc1 Bh3 45. Bd2 Bxd2 46. Kxd2 Kf2 47. b4 axb4 48. Kc2 Bf1 49. Kb3 Be2 50. Kxb4 Bxf3 51. Bxf3 Kxf3 52. c5 bxc5+ 53. Kb3 Ke4 54. a5 Kxd5 0-1

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.10"]
[Round "15"]
[White "Peev, Peicho Chonev"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "73"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. e3 c5 7. Be2 cxd4 8. exd4 Nc6 9. 0-0 Bf5 10. c5 Ne4 11. Qa4 Qe8 12. Bb5 a6 13. Bxc6 bxc6 14. Nxe4 dxe4 15. Nd2 Qd7 16. Be3 Be6 17. Nc4 Bxc4 18. Qxc4 e6 19. Rfd1 Rfd8 20. Rd2 Qb7 21. Bf4 Qb5 22. Qc3 Rd5 23. a4 Qb7 24. Bd6 Rd8 25. Rad1 Bf8 26. Bxf8 Kxf8 27. h3 Qd7 28. Qa5 e5 29. Qxa6 exd4 30. Qe2 Qe7 31. b4 d3 32. Qe3 Qa7 33. f3 exf3 34. Rxd3 Rxd3 35. Rxd3 Rxd3 36. Qxd3 Qxa4 37. Qxf3 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.09"]
[Round "14"]
[White "Bonchev, Stojko"]
[Black "Kirov, Nino"]
[Result "1/2-1/2"]
[ECO "B54"]
[PlyCount "93"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Bb5 Bd7 6. c4 Nf6 7. Nc3 g6 8. Be3 Bg7 9. h3 0-0 10. 0-0 Rc8 11. Bxc6 bxc6 12. Qe2 Qa5 13. Rac1 c5 14. Nf3 Bc6 15. Bd2 Qa6 16. b3 Qb7 17. Rfe1 Nh5 18. Nh2 f5 19. exf5 Bxg2 20. Qg4 Bc6 21. fxg6 hxg6 22. Qe6+ Kh7 23. Ne4 Bxe4 24. Rxe4 Be5 25. Re2 Rf6 26. Qd5 Qxd5 27. cxd5 Rf5 28. Ng4 Bf6 29. Nxf6+ exf6 30. Re7+ Kg8 31. Rxa7 Rxd5 32. Be3 Ng7 33. Rc4 Nf5 34. Rg4 g5 35. Rga4 Re8 36. Rd7 Re7 37. Rxe7 Nxe7 38. h4 Nf5 39. hxg5 Nxe3 40. fxe3 Rxg5+ 41. Kf2 Kf7 42. Rh4 Rg8 43. Kf3 Ra8 44. Rh2 Ke6 45. Ke4 Rg8 46. Rb2 Rh8 47. Kd3 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.08"]
[Round "13"]
[White "Tsankov, Dobromir"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "80"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Qd3 c6 5. Nf3 Qa5 6. Nd2 g6 7. Nb3 Qc7 8. f3 Bg7 9. e4 e5 10. 0-0-0 0-0 11. exd5 Nxd5 12. Nxd5 cxd5 13. Be3 Nb6 14. Qd2 Nc4 15. Bxc4 dxc4 16. Qc3 b5 17. Nc5 a5 18. dxe5 b4 19. Qxc4 Be6 20. Qd4 Bxa2 21. Qd6 Rac8 22. f4 a4 23. Qxc7 Rxc7 24. Na6 Rc4 25. Rd4 Rfc8 26. Nxb4 Bb3 27. Rxc4 Rxc4 28. Rd1 Bf8 29. Rd8 Kg7 30. Rxf8 Kxf8 31. Kd2 Ke8 32. c3 Rc8 33. Bd4 Be6 34. Ke3 Ra8 35. Kf3 a3 36. bxa3 Rxa3 37. g4 Ra1 38. h3 Bc8 39. Kg3 Rd1 40. Nc2 Bb7 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.06"]
[Round "12"]
[White "Bonchev, Stojko"]
[Black "Kolarov, Atanas Stefanov"]
[Result "1/2-1/2"]
[ECO "C85"]
[PlyCount "21"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 0-0 9. Nc4 f6 10. Nh4 Nc5 11. Nf5 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.05"]
[Round "11"]
[White "Spiridonov, Nikola"]
[Black "Bonchev, Stojko"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "104"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 Nf6 3. Nbd2 g6 4. e4 dxe4 5. dxe4 Bg7 6. Bc4 0-0 7. 0-0 c5 8. c3 Nfd7 9. Qe2 Nc6 10. Rd1 Qc7 11. Bb3 Nde5 12. Nxe5 Nxe5 13. Nc4 Ng4 14. g3 b5 15. Ne3 Nxe3 16. Bxe3 c4 17. Bc2 Bb7 18. a4 a6 19. a5 Qc6 20. Qd2 Rac8 21. Bb6 b4 22. Re1 f5 23. Ba4 bxc3 24. bxc3 Qd6 25. Qxd6 exd6 26. Rac1 Bc6 27. Bxc6 Rxc6 28. exf5 Rxf5 29. Re3 Rd5 30. Re8+ Kf7 31. Ra8 Ke6 32. Rxa6 Rd3 33. Ra8 Kd5 34. Be3 Rxc3 35. Rxc3 Bxc3 36. a6 Bd4 37. Bc1 c3 38. Kf1 Rc7 39. Ke2 Kc4 40. Rd8 d5 41. Be3 Ba7 42. Bxa7 Rxa7 43. Rd6 Re7+ 44. Kd1 d4 45. Rb6 Kd3 46. Rb3 Re2 47. Ra3 Rxf2 48. Ke1 Re2+ 49. Kf1 Re8 50. a7 Kd2 51. a8Q Rxa8 52. Rxa8 c2 0-1

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.04"]
[Round "10"]
[White "Bonchev, Stojko"]
[Black "Ajanski, Jordan S"]
[Result "1/2-1/2"]
[ECO "C85"]
[PlyCount "62"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 0-0 9. Nc4 Bf6 10. Kh1 Re8 11. g4 g6 12. Rg1 Qe7 13. Bd2 Bg7 14. Bc3 f6 15. Ne3 Nf8 16. Nf5 Qf7 17. Nxg7 Qxg7 18. Bd2 Ne6 19. Nh4 Nf4 20. Qf3 Kh8 21. Rg3 Bd7 22. Rag1 Rg8 23. Ng2 Ne6 24. Qd1 g5 25. Ne3 Nf4 26. Nf5 Bxf5 27. gxf5 Qf7 28. b3 c5 29. Bxf4 gxf4 30. Rxg8+ Rxg8 31. Rxg8+ Qxg8 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.02"]
[Round "9"]
[White "Minev, Nikolay Nikolaev"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "81"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd2 c5 7. dxc5 Na6 8. cxd5 Nxd5 9. Bxa6 bxa6 10. 0-0 Rb8 11. Nd4 Rxb2 12. Qc1 Rb7 13. Nc6 Qc7 14. Nxd5 Qxc6 15. Nb4 Qa4 16. Rb1 Be6 17. c6 Rc7 18. e4 Re8 19. Bf4 Rcc8 20. c7 a5 21. Qc6 Bd7 22. Qxa4 Bxa4 23. Nd5 e6 24. Ne3 e5 25. Bg3 Rxc7 26. Nd5 Rc2 27. Rb7 Rxa2 28. Rxa7 Bb3 29. Rc1 a4 30. h3 Rc2 31. Rxc2 Bxc2 32. f3 Bb3 33. Bh4 Rb8 34. Be7 Bh6 35. Kf2 Bc1 36. Bd6 Bb2 37. Bxb8 Bd4+ 38. Ke2 Bxa7 39. Bxe5 h5 40. Kd2 Bc4 41. Nf6+ 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.03.01"]
[Round "8"]
[White "Bonchev, Stojko"]
[Black "Pelitov, Dimitar"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "93"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. Nxe5 Nxe5 9. dxe5 Be6 10. c3 Bc5 11. Nd2 Nxd2 12. Bxd2 0-0 13. Qe2 f5 14. Qh5 Qd7 15. Be3 Bxe3 16. fxe3 Qe7 17. Rad1 c6 18. Bc2 g6 19. Qh3 Rae8 20. a4 Bc8 21. axb5 axb5 22. Ra1 Qxe5 23. Ra7 Qxe3+ 24. Qxe3 Rxe3 25. Rc7 Re6 26. Ra1 Rfe8 27. Bd3 Kf8 28. Ra8 Bd7 29. Raa7 Re1+ 30. Kf2 Rd1 31. Rxd7 Rxd3 32. Rxh7 Kg8 33. Rhg7+ Kh8 34. Rxg6 Re4 35. h3 Rd2+ 36. Kg1 f4 37. Rxc6 Re1+ 38. Kh2 Re8 39. Rf6 Rf2 40. Kg1 Rxb2 41. Rxf4 Kg8 42. Rd7 Re1+ 43. Kh2 Re8 44. Rg4+ Kf8 45. Rxd5 Ke7 46. Rdd4 Kf6 47. Rb4 1-0

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.28"]
[Round "7"]
[White "Gerenski, Hristo"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "36"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. e3 d5 8. b3 b6 9. Bb2 Ba6 10. d3 Rc8 11. Qe2 Qc7 12. Rac1 Qb8 13. Nb5 Bb7 14. Rfd1 Rfd8 15. Nc3 dxc4 16. dxc4 Qa8 17. Nb5 Ne8 18. Ne1 Nb4 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.26"]
[Round "6"]
[White "Bonchev, Stojko"]
[Black "Radev Iordanov, Nikolay"]
[Result "1/2-1/2"]
[ECO "B93"]
[PlyCount "57"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bd3 Be7 9. 0-0 0-0 10. Qe1 b5 11. a4 b4 12. Nd5 Nxd5 13. exd5 Bb7 14. fxe5 dxe5 15. Nxe5 Bxd5 16. Nxd7 Qxd7 17. Qg3 f5 18. Qh3 g6 19. Bh6 Rfe8 20. Rad1 Bc5+ 21. Kh1 Qc6 22. Bxf5 Re2 23. Rxd5 Qxd5 24. Qg4 Qe5 25. Qc4+ Kh8 26. Bf4 Qe7 27. Bg5 Qe5 28. Bf4 Qe7 29. Bg5 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.25"]
[Round "5"]
[White "Bohosjan, Sarkis"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "83"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. Qe2 Nf6 6. d4 cxd4 7. cxd4 d5 8. e5 Ne4 9. 0-0 0-0 10. Nbd2 Nxd2 11. Bxd2 Qb6 12. Bc3 Bg4 13. Bxc6 Qxc6 14. Rfe1 Rac8 15. h3 Bxf3 16. Qxf3 Qe6 17. a4 Rc4 18. a5 Rfc8 19. Ra3 Qd7 20. Rb3 e6 21. h4 R8c7 22. h5 Qa4 23. Ra3 Qc2 24. hxg6 fxg6 25. Qg4 Rf7 26. Qe2 Qxe2 27. Rxe2 Bf8 28. Rb3 Bh6 29. Re1 Bg5 30. Ra1 Bh4 31. g3 Bd8 32. Kf1 h5 33. Ke2 Kg7 34. Rb4 Rxb4 35. Bxb4 a6 36. Bd6 g5 37. b4 Kg6 38. Rc1 Kf5 39. Rc8 Rd7 40. Kf3 g4+ 41. Ke3 Kg6 42. Ke2 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.24"]
[Round "4"]
[White "Bonchev, Stojko"]
[Black "Velikov, Petar"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "59"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Bd3 Nc6 8. Nxc6 dxc6 9. f4 e5 10. 0-0 Bc5+ 11. Kh1 0-0 12. Qf3 exf4 13. Bxf4 Bd6 14. e5 Bxe5 15. Ne4 Ng4 16. h3 Bxf4 17. hxg4 Be5 18. Qh3 g6 19. Qh4 Bg7 20. g5 Be6 21. Nf6+ Bxf6 22. gxf6 Qe5 23. Rae1 Qh5 24. Qxh5 gxh5 25. Re5 Rad8 26. Be4 Rd4 27. Rf4 Rfd8 28. Rxh5 Kf8 29. Rxh7 Ke8 30. Bxc6+ 1-0

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.22"]
[Round "3"]
[White "Bonchev, Stojko"]
[Black "Padevsky, Nikola Bochev"]
[Result "0-1"]
[ECO "B82"]
[PlyCount "82"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 a6 7. Bd3 Nbd7 8. 0-0 b5 9. a4 b4 10. Nce2 Bb7 11. Qe1 Nxe4 12. Ng3 Nxg3 13. Qxg3 Nf6 14. Re1 Be7 15. Bd2 Qb6 16. Be3 Qa5 17. Bf2 0-0 18. Nf5 exf5 19. Rxe7 Qd5 20. Bxf5 Rae8 21. Rxe8 Rxe8 22. Bd3 Nh5 23. Qg5 Qc6 24. Re1 Rxe1+ 25. Bxe1 f6 26. Qg4 Nxf4 27. Bf1 g5 28. Bg3 Bc8 29. Qd1 Kg7 30. Bxf4 gxf4 31. Qe1 Qc5+ 32. Qf2 a5 33. Qxc5 dxc5 34. Kf2 Bd7 35. b3 Bf5 36. Bc4 Bxc2 37. Kf3 Bg6 38. Kxf4 Bf7 39. Bxf7 Kxf7 40. Ke4 Ke6 41. g4 Kd6 0-1

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.21"]
[Round "2"]
[White "Mlechev, Hristo"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "E31"]
[PlyCount "33"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 exd5 6. cxd5 h6 7. Bh4 d6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. Nge2 Ne5 12. Qb5+ Qd7 13. Qxd7+ Nexd7 14. 0-0-0 Bxc3 15. Nxc3 a6 16. Rhe1 b5 17. e4 1/2-1/2

[Event "BUL-ch23"]
[Site "Sofia"]
[Date "1970.02.20"]
[Round "1"]
[White "Bonchev, Stojko"]
[Black "Popov, Luben"]
[Result "1/2-1/2"]
[ECO "B41"]
[PlyCount "80"]
[EventDate "1970.02.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nxc6 dxc6 9. e5 Nd7 10. f4 Nc5 11. Bc2 Qxd1+ 12. Kxd1 b5 13. Ne4 Nxe4 14. Bxe4 Bb7 15. Be3 0-0-0+ 16. Ke2 Be7 17. a4 bxc4 18. Rac1 c5 19. Bxb7+ Kxb7 20. Rxc4 Rc8 21. Rhc1 Rhd8 22. g3 Rd5 23. b4 Kb6 24. bxc5+ Kc6 25. Rb1 Bd8 26. Rcb4 Bc7 27. Rb7 Ra8 28. R7b3 h5 29. h3 Rdd8 30. Kf3 Rab8 31. Ke2 Rxb3 32. Rxb3 Rb8 33. Rxb8 Bxb8 34. Kd3 Kd5 35. g4 hxg4 36. hxg4 Ba7 37. c6 Bb8 38. Bd4 Kxc6 39. Kc4 Bc7 40. Be3 g6 1/2-1/2

[Event "WchT Students 12th final B"]
[Site "Sinaia"]
[Date "1965.08.07"]
[Round "7"]
[White "Bonchev, Stojko"]
[Black "Juan, J."]
[Result "1-0"]
[ECO "B12"]
[PlyCount "35"]
[EventDate "1965.08.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "CUB"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 dxe4 7. Be2 Nf6 8. fxe4 Nxe4 9. Qd3 Qa5 10. Bd2 Nxd2 11. Qxd2 e5 12. Nf3 exd4 13. Nxd4 0-0 14. 0-0 c5 15. Nb3 Qc7 16. Bc4 Nd7 17. Rae1 Ne5 18. Qf4 1-0

[Event "WchT Students 12th final B"]
[Site "Sinaia"]
[Date "1965.08.05"]
[Round "5"]
[White "Bonchev, Stojko"]
[Black "Nordstrom, Felix"]
[Result "1/2-1/2"]
[ECO "E39"]
[PlyCount "118"]
[EventDate "1965.08.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "SWE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 0-0 6. Bf4 Bxc5 7. Nf3 b6 8. e3 Bb7 9. a3 Nc6 10. b4 Be7 11. Bd3 Rc8 12. 0-0 a5 13. b5 Nb8 14. Rfd1 d6 15. Ng5 g6 16. Nge4 Qc7 17. Rac1 Nbd7 18. Qb2 Rfd8 19. Bb1 Nxe4 20. Bxe4 Nc5 21. Bxb7 Qxb7 22. Ne2 Bf8 23. Qa2 Rd7 24. f3 Qc7 25. Rc2 Nb7 26. Bg3 Bh6 27. Rc3 Qc5 28. Bf2 Bg7 29. e4 Qc7 30. Rcc1 Bh6 31. Rb1 Nd8 32. Rb2 Bg7 33. Rc2 Nb7 34. Nd4 Nd8 35. Qb3 Bh6 36. Nc6 Nxc6 37. bxc6 Qxc6 38. Qxb6 Rb7 39. Qxa5 Rcb8 40. g3 Bf8 41. Bd4 Rb3 42. Kg2 Ra8 43. Qg5 Qa4 44. Rdd2 Qxa3 45. Bb2 Qc5 46. Qxc5 dxc5 47. Bf6 Rb7 48. Ra2 Rc8 49. Ra6 h6 50. h4 Bg7 51. e5 Rb4 52. Ra7 Bxf6 53. exf6 Rxc4 54. Rad7 Rd4 55. R7xd4 cxd4 56. Rxd4 Kf8 57. Rd7 Kg8 58. g4 g5 59. h5 e5 1/2-1/2

[Event "WchT Students 12th final B"]
[Site "Sinaia"]
[Date "1965.08.03"]
[Round "3"]
[White "Bonchev, Stojko"]
[Black "Annabi, Semir"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "81"]
[EventDate "1965.08.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "Tunisia"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "TUN"]

1. e4 c5 2. Ne2 d6 3. g3 Nf6 4. Bg2 g6 5. c3 Bg7 6. d4 0-0 7. 0-0 e5 8. h3 Nc6 9. Be3 Qe7 10. Nd2 a6 11. f4 b5 12. fxe5 dxe5 13. dxc5 b4 14. cxb4 Nxb4 15. Nc4 Bb7 16. Nd6 Rab8 17. Nc3 Ne8 18. a3 Nc6 19. Nd5 Qe6 20. Nxe8 Qxe8 21. Bg5 f5 22. b4 h6 23. Be3 f4 24. gxf4 exf4 25. Rxf4 Rd8 26. Rc1 Kh7 27. Rxf8 Qxf8 28. Qg4 Ne5 29. Qg3 Qe8 30. Rf1 Nc4 31. Bxh6 Bd4+ 32. Be3 Rxd5 33. exd5 Bxe3+ 34. Kh1 Qe7 35. Qf3 Qe5 36. Qf7+ Kh6 37. Qf8+ Kg5 38. Qd8+ Kh6 39. Qh4+ Kg7 40. Qxc4 Qg3 41. Qc3+ 1-0

[Event "WchT Students 12th final B"]
[Site "Sinaia"]
[Date "1965.08.01"]
[Round "1"]
[White "Skrob, Ernst"]
[Black "Bonchev, Stojko"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "49"]
[EventDate "1965.08.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ROU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "BUL"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. e3 Nf6 5. Be2 Bd6 6. 0-0 Nbd7 7. d4 Bg4 8. Ne5 Bxe2 9. Qxe2 c6 10. Nd2 Qc7 11. f4 0-0 12. Rf3 Ne4 13. Nxe4 dxe4 14. Rg3 f5 15. Nxd7 Qxd7 16. Qh5 Qe8 17. Qh6 g6 18. d5 e5 19. dxc6 bxc6 20. Rd1 Rd8 21. fxe5 Ba3 22. Rxd8 Qxd8 23. Rxg6+ hxg6 24. Qxg6+ Kh8 25. Qh6+ 1/2-1/2

[Event "WchT Students 12th Group2"]
[Site "Sinaia"]
[Date "1965.07.28"]
[Round "3"]
[White "Bonchev, Stojko"]
[Black "Lambshire, Michael V"]
[Result "1/2-1/2"]
[ECO "A67"]
[PlyCount "93"]
[EventDate "1965.07.26"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "ROU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria"]
[BlackTeam "England"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 a6 10. a4 Qc7 11. Be3 0-0 12. Nf3 Nf6 13. 0-0 Ng4 14. Qe2 Nxe3 15. Qxe3 Bg4 16. Kh1 Bxf3 17. Qxf3 c4 18. Bc2 Nd7 19. e5 dxe5 20. d6 Qb6 21. f5 Qxb2 22. Be4 Nf6 23. Rab1 Qa3 24. Bxb7 Rad8 25. fxg6 hxg6 26. Bxa6 Rxd6 27. Bxc4 Rd4 28. Bb3 Rf4 29. Qb7 Rxf1+ 30. Rxf1 Qc5 31. Ne4 Nxe4 32. Qxe4 Qc3 33. Qd5 Kh7 34. a5 e4 35. a6 e3 36. Bc4 Qd4 37. Rd1 Qxd5 38. Bxd5 Rd8 39. Bf3 Rxd1+ 40. Bxd1 Bd4 41. g3 f5 42. Kg2 Kg7 43. Kf3 Kf6 44. Ke2 Ke5 45. Ba4 Ba7 46. h4 Bb6 47. Be8 1/2-1/2

