[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.18"]
[Round "15"]
[White "Pantaleev, Dimitar Dimitrov"]
[Black "Konstantinov, Venelin"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "67"]
[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 e6 2. c4 d5 3. g3 Nf6 4. Nc3 Nbd7 5. Bg2 c6 6. cxd5 exd5 7. Nf3 Bd6 8. Bf4 Qc7 9. Qd2 0-0 10. Rc1 a6 11. 0-0 Nb6 12. b3 Bf5 13. Ne5 Qe7 14. Nd3 Nbd7 15. Bxd6 Qxd6 16. Na4 Rae8 17. Rfe1 Re7 18. f3 Rfe8 19. Nf2 h6 20. Nc3 c5 21. dxc5 Qxc5 22. e4 dxe4 23. fxe4 Qe5 24. exf5 Qxe1+ 25. Rxe1 Rxe1+ 26. Bf1 Ra1 27. Nfd1 Re5 28. Qb2 Rxd1 29. Nxd1 Rxf5 30. Bh3 Re5 31. Bxd7 Nxd7 32. Qd4 Re7 33. Qd6 Kf8 34. Nc3 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.16"]
[Round "14"]
[White "Konstantinov, Venelin"]
[Black "Tomov, Krum"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "53"]
[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 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 e5 6. Nc3 Nge7 7. d3 0-0 8. Bd2 d6 9. Qc1 f5 10. Bh6 f4 11. Bxg7 Kxg7 12. Qd2 h6 13. gxf4 Rxf4 14. e3 Rf7 15. Ne2 Bg4 16. Ne1 Qd7 17. f3 Bh3 18. Ng3 Bxg2 19. Qxg2 d5 20. Rc1 b6 21. a3 Rd8 22. Rc2 Nf5 23. Nxf5+ Rxf5 24. Kh1 d4 25. e4 Rg5 26. Qf2 Qh3 27. Rg1 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.15"]
[Round "13"]
[White "Babev, Aleksandar"]
[Black "Konstantinov, Venelin"]
[Result "1/2-1/2"]
[ECO "D46"]
[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. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. Bd3 Nbd7 7. 0-0 0-0 8. Qe2 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Rd1 Qc7 12. Bg5 Rfe8 13. Rac1 Rad8 14. Bb1 c5 15. dxc5 Bxe4 16. Bxe4 Nxe4 17. Bxe7 Rxe7 18. Qxe4 Nxc5 19. Qc2 a5 20. Rxd8+ Qxd8 21. Ne5 Qc8 22. Rd1 f6 23. Nd3 Rd7 24. Nxc5 bxc5 25. Rxd7 Qxd7 26. b3 Qd4 27. g3 g6 28. Kg2 e5 29. Qe2 Kg7 30. Qe1 a4 31. bxa4 Qxc4 32. Qd1 f5 33. a5 Qxa2 34. Qd7+ Kh6 35. Qd8 Qe2 36. Qf8+ Kh5 37. Qxc5 Qe4+ 38. f3 Qe2+ 39. Qf2 Qd3 40. Qa7 Qe2+ 41. Qf2 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.14"]
[Round "12"]
[White "Konstantinov, Venelin"]
[Black "Merdinjan, Agop"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "42"]
[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. b4 c6 2. Nf3 Qb6 3. c3 d5 4. g3 a5 5. bxa5 Rxa5 6. Bg2 Nf6 7. 0-0 e6 8. d3 Be7 9. Qc2 0-0 10. Nbd2 Ra8 11. e4 dxe4 12. dxe4 Nbd7 13. e5 Nd5 14. Re1 Nc5 15. Ne4 Nxe4 16. Rxe4 Qc5 17. c4 b5 18. Bg5 Ra4 19. Bxe7 Nxe7 20. Rc1 Bb7 21. Nd2 Rfa8 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.13"]
[Round "11"]
[White "Kerchev, Zlatozar"]
[Black "Konstantinov, Venelin"]
[Result "1/2-1/2"]
[ECO "E62"]
[PlyCount "30"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. Nc3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Nb5 Ne8 12. Bg5 f6 13. Be3 a6 14. Nc3 c6 15. Rfd1 Be6 1/2-1/2

[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 "Radev Iordanov, Nikolay"]
[Black "Konstantinov, Venelin"]
[Result "1/2-1/2"]
[ECO "D09"]
[PlyCount "80"]
[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 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6 6. Nbd2 Qd7 7. Bg2 Nge7 8. 0-0 Ng6 9. Ng5 Bf5 10. e6 fxe6 11. a3 Be7 12. Nge4 e5 13. b4 Bh3 14. b5 Nd8 15. Nf3 Bxg2 16. Kxg2 Qg4 17. Qd3 Ne6 18. Kh1 Rd8 19. Bd2 0-0 20. Bb4 Rd7 21. c5 c6 22. a4 Kh8 23. Nfd2 Qh3 24. Rg1 Rd5 25. Rac1 Rf5 26. bxc6 bxc6 27. Qa6 Rh5 28. Nf1 d3 29. e3 Nh4 30. Qxc6 Nf3 31. Rg2 d2 32. Nexd2 e4 33. Nxe4 Rd8 34. Nd6 Rf8 35. Qe4 Ne5 36. f4 Qg4 37. Qb7 Nd3 38. Qxe7 Nxc1 39. c6 Rd5 40. c7 Rd1 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.09"]
[Round "8"]
[White "Konstantinov, Venelin"]
[Black "Sidyakov, Borislav"]
[Result "1/2-1/2"]
[ECO "D36"]
[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. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. cxd5 exd5 9. Qc2 Re8 10. 0-0 Nf8 11. Ne5 Ng4 12. Bxe7 Qxe7 13. Nxg4 Bxg4 14. Bf5 Bxf5 15. Qxf5 Qd7 16. Qxd7 Nxd7 17. Rac1 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.08"]
[Round "7"]
[White "Ermenkov, Evgenij"]
[Black "Konstantinov, Venelin"]
[Result "1/2-1/2"]
[ECO "C04"]
[PlyCount "172"]
[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 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Ne4 6. c3 f5 7. exf6 Nxf6 8. Bb5 Bd6 9. Ne5 Bd7 10. Bxc6 Bxc6 11. Qe2 Bd7 12. 0-0 0-0 13. Re1 Be8 14. Nf1 Kh8 15. Bg5 a5 16. Rad1 Ra6 17. Qd2 c5 18. dxc5 Bxc5 19. Be3 b6 20. Bd4 Ra7 21. h3 Nd7 22. Nxd7 Qxd7 23. Qg5 Bg6 24. Rd2 Rc7 25. h4 Bxd4 26. Rxd4 Qf7 27. Re2 Qf6 28. Qe5 Rc6 29. h5 Qxe5 30. Rxe5 Bf7 31. Ng3 Rfc8 32. Ne2 Kg8 33. Rf4 Rc4 34. Nd4 R8c5 35. g3 b5 36. h6 gxh6 37. Kg2 b4 38. cxb4 Rxb4 39. b3 a4 40. Rg4+ Kh8 41. Rf4 axb3 42. axb3 Rc7 43. Nxe6 Rxf4 44. Nxf4 Rb7 45. Re3 d4 46. Rd3 Rxb3 47. Rxd4 Rb7 48. Rd6 Kg7 49. Nd3 Rb5 50. Nf4 Rb7 51. Ra6 Rd7 52. Rb6 Bd5+ 53. Kh3 Bf7 54. Rb5 Rd2 55. Kg2 Rd7 56. Ra5 Kg8 57. Kf3 Kg7 58. Ke4 Re7+ 59. Re5 Ra7 60. Rc5 Re7+ 61. Kf3 Rd7 62. Kg2 Kg8 63. Rc2 Kg7 64. Rb2 Bd5+ 65. Kh2 Bf7 66. Ng2 Bd5 67. Ne3 Be4 68. Rb4 Bg6 69. Ng4 Re7 70. f4 Re2+ 71. Kg1 Re1+ 72. Kf2 Rb1 73. Rxb1 Bxb1 74. Kf3 h5 75. Ne3 Kg6 76. Ng2 Bf5 77. Ke3 Kf6 78. Kd4 Bh3 79. Ne3 Bf5 80. Nd5+ Ke6 81. Nc7+ Kf6 82. Ne8+ Kg6 83. Ke5 Bc2 84. Nd6 h4 85. gxh4 Kh5 86. Nf5 Bb1 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.06"]
[Round "6"]
[White "Konstantinov, Venelin"]
[Black "Kirov, Nino"]
[Result "1-0"]
[ECO "A08"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 e5 9. exd5 Nxd5 10. Nc4 h6 11. Re1 Re8 12. a4 Nb6 13. Ne3 Na5 14. Ra3 Be6 15. b4 cxb4 16. cxb4 Nc6 17. b5 Nd4 18. Nd2 Qd7 19. Ndc4 Nd5 20. Bb2 Rad8 21. Bxd4 exd4 22. Nxd5 Bxd5 23. Bxd5 Qxd5 24. Ra2 Rxe1+ 25. Qxe1 a6 26. Re2 axb5 27. Re8+ Rxe8 28. Qxe8+ Kh7 29. Qxb5 Qf3 30. a5 Qxd3 31. Qd5 Qc3 32. Qxf7 d3 33. Qd5 h5 34. Kg2 Kh6 35. Nd6 Bd4 36. Ne4 Qb4 37. h4 Bg7 38. Ng5 Qe7 39. Qg8 Bd4 40. Nf7+ Qxf7 41. Qxf7 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.05"]
[Round "5"]
[White "Orev, Petar"]
[Black "Konstantinov, Venelin"]
[Result "1-0"]
[ECO "A15"]
[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. g3 Nf6 2. Bg2 g6 3. b4 Bg7 4. Bb2 0-0 5. c4 c6 6. Nf3 d5 7. 0-0 dxc4 8. a4 Na6 9. b5 cxb5 10. axb5 Nc5 11. Ne5 Be6 12. Na3 Nb3 13. Bxb7 Nxa1 14. Bxa1 Rb8 15. Nc6 Qc7 16. Nxb8 Qxb7 17. Nc6 Bh3 18. Re1 a6 19. Nxc4 axb5 20. N4a5 Qd7 21. d3 Re8 22. Qb3 Qd5 23. Qxd5 Nxd5 24. e4 Nc3 25. d4 b4 26. Bxc3 bxc3 27. Rc1 Kf8 28. Rxc3 Ra8 29. Rc4 Ra6 30. Rb4 Ra8 31. f4 Bd7 32. Kf2 Ke8 33. e5 Be6 34. Rb5 Bd7 35. d5 g5 36. Rb7 gxf4 37. gxf4 e6 38. d6 f6 39. Nb8 Bf8 40. Nxd7 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.04"]
[Round "4"]
[White "Konstantinov, Venelin"]
[Black "Stankov, Georgi"]
[Result "1/2-1/2"]
[ECO "A31"]
[PlyCount "152"]
[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. Nf3 Nf6 2. d4 c5 3. c4 g6 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. Nc2 Ng4 8. e3 d6 9. Nd5 Qd8 10. Bg2 Bg7 11. 0-0 0-0 12. Rb1 Nf6 13. Nf4 Qc7 14. b3 Bd7 15. Bb2 Ne5 16. Nb4 e6 17. Qe2 a5 18. Nbd3 Nxd3 19. Qxd3 Bc6 20. e4 Rfd8 21. Rfd1 b6 22. Rd2 Qb7 23. Re1 b5 24. cxb5 Bxb5 25. e5 d5 26. Qd4 Ne8 27. h4 Nd6 28. g4 a4 29. h5 Nc8 30. hxg6 hxg6 31. Nh3 Bh6 32. f4 Qb6 33. Qxb6 Nxb6 34. Bd4 Nd7 35. Rc2 Rdc8 36. Rec1 Rxc2 37. Rxc2 axb3 38. axb3 Ra3 39. Rc3 Bf8 40. f5 gxf5 41. gxf5 Bh6 42. Rg3+ Kf8 43. fxe6 fxe6 44. Rg6 Bg7 45. Rxe6 Rxb3 46. Ng5 Rg3 47. Rg6 Bxe5 48. Bxe5 Rxg2+ 49. Kxg2 Nxe5 50. Rf6+ Kg7 51. Rb6 Bc4 52. Kg3 Nd7 53. Rc6 Nf6 54. Kf4 Nh5+ 55. Ke5 Ba2 56. Nf3 d4 57. Nxd4 Kf7 58. Nf5 Bb1 59. Nh4 Kg7 60. Rb6 Bd3 61. Rb3 Bc2 62. Rb2 Bd3 63. Nf3 Kh6 64. Rh2 Bb1 65. Rh1 Bd3 66. Nd4 Kg6 67. Ne6 Bc2 68. Rg1+ Kh6 69. Rc1 Bd3 70. Rc6 Kh7 71. Rd6 Bb1 72. Ng5+ Kg7 73. Nh3 Bc2 74. Nf2 Bb1 75. Ng4 Bc2 76. Rh6 Bg6 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.03"]
[Round "3"]
[White "Konstantinov, Venelin"]
[Black "Arnaudov, Petar"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "141"]
[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 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. b3 Bd7 7. Bb2 Rc8 8. Nbd2 Qb6 9. e3 Be7 10. c4 cxd4 11. cxd5 exd5 12. Nxd4 0-0 13. Nxc6 bxc6 14. e4 Bg4 15. Qc2 Bh5 16. Rae1 Bg6 17. Qd1 Bb4 18. e5 Nd7 19. Bh3 Rcd8 20. e6 fxe6 21. Rxe6 Nf6 22. Nf3 Ne4 23. Nd4 Ng5 24. Bg2 Nxe6 25. Nxe6 Bc5 26. Qd2 Rde8 27. Nxf8 Rxf8 28. Be5 h6 29. Bf4 Kh7 30. Rc1 Re8 31. Bf1 Ba3 32. Rd1 Bb4 33. Qb2 Bc5 34. Qd2 Bb4 35. Qb2 a5 36. Be3 Bc5 37. Bxc5 Qxc5 38. Rc1 Qb6 39. Qd2 Qb4 40. Qd1 Re6 41. Bd3 Kh8 42. Bxg6 Rxg6 43. Qd3 Rf6 44. Kg2 a4 45. Rc2 axb3 46. axb3 Qb7 47. Re2 Rf8 48. Rc2 Rc8 49. Rd2 Rd8 50. Rc2 Qb6 51. Qc3 d4 52. Qxc6 Qxb3 53. Qe4 d3 54. Rd2 Qc3 55. Qe3 Rd4 56. h4 Qc6+ 57. Qf3 Qd7 58. Qe3 Rd5 59. Qf3 Qb5 60. Qe4 Rd8 61. Qf3 Qc4 62. Qe3 Qc3 63. Kh2 Qb3 64. Qe7 Qd5 65. Qe3 Kh7 66. f3 Rd7 67. Kg2 g6 68. Qe4 Qb5 69. h5 Qxh5 70. Rxd3 Ra7 71. Qd5 1/2-1/2

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.02"]
[Round "2"]
[White "Karapchanski, Dimitar Z"]
[Black "Konstantinov, Venelin"]
[Result "1-0"]
[ECO "E69"]
[PlyCount "85"]
[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 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 c6 7. d4 Nbd7 8. e4 e5 9. h3 Re8 10. d5 c5 11. Ne1 a6 12. a4 Rb8 13. Nd3 Nf8 14. Rb1 N6d7 15. Be3 f5 16. Qd2 Nf6 17. Kh2 N8d7 18. b4 cxb4 19. Rxb4 Nh5 20. Ne2 Rf8 21. f4 exf4 22. Nexf4 Nxf4 23. Bxf4 Qc7 24. c5 Ne5 25. cxd6 Qxd6 26. Nxe5 Bxe5 27. Bxe5 Qxe5 28. d6 Bd7 29. exf5 Rxf5 30. Rxf5 Bxf5 31. Rxb7 Rxb7 32. Bxb7 Qe8 33. a5 h5 34. h4 Kh7 35. Bxa6 Qc6 36. Bf1 Qa4 37. Bh3 Bxh3 38. Kxh3 g5 39. hxg5 Qg4+ 40. Kg2 h4 41. Qd3+ Kg7 42. d7 h3+ 43. Kh2 1-0

[Event "BUL-ch26"]
[Site "Sofia"]
[Date "1973.02.01"]
[Round "1"]
[White "Konstantinov, Venelin"]
[Black "Prodanov, Dimitar"]
[Result "1/2-1/2"]
[ECO "C53"]
[PlyCount "78"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 d6 6. d4 Bb6 7. h3 Nf6 8. d5 Nb8 9. Bd3 Nbd7 10. Nbd2 c6 11. c4 0-0 12. Re1 Nh5 13. Nf1 Nf4 14. Ng3 g6 15. Bc2 Nf6 16. Be3 Bxe3 17. Rxe3 c5 18. a3 a5 19. Rb1 Ra7 20. Kh2 Kh8 21. b4 axb4 22. axb4 cxb4 23. Rxb4 Nd7 24. Ne2 Nxe2 25. Qxe2 Nc5 26. Nd2 Qc7 27. Nb3 Na6 28. Ra4 Bd7 29. Ra5 b6 30. Ra3 Rc8 31. Qd2 b5 32. cxb5 Bxb5 33. Bd3 Bxd3 34. Rxd3 Nc5 35. Nxc5 Rxa3 36. Rxa3 Qxc5 37. Rf3 Kg7 38. Qg5 Qc7 39. Qf6+ Kg8 1/2-1/2

