[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.20"]
[Round "15"]
[White "Piskov, Kamen Penev"]
[Black "Bohosjan, Sarkis"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "55"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 Nge7 7. Nge2 0-0 8. Be3 Nd4 9. 0-0 a6 10. Qd2 Bh3 11. f4 Bxg2 12. Kxg2 f5 13. fxe5 dxe5 14. Nd5 Nxd5 15. cxd5 c5 16. Rac1 Qd6 17. Ng1 Rac8 18. b3 b5 19. Nh3 b4 20. Bxd4 cxd4 21. Rc4 Rxc4 22. bxc4 h6 23. Qe2 a5 24. Qc2 Rc8 25. Nf2 Qc5 26. Qb3 Kh7 27. g4 f4 28. Qd1 1/2-1/2

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.18"]
[Round "14"]
[White "Radulov, Ivan"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "65"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[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. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. b3 Bg4 10. Bb2 Qd7 11. Re1 Bh3 12. Bh1 f5 13. Rc1 Rad8 14. a3 Qe6 15. Qc2 h5 16. e3 h4 17. Ne2 hxg3 18. hxg3 Rd6 19. Nxe5 Nxe5 20. Nf4 Nxd3 21. Nxe6 Nxe1 22. Rxe1 Rxe6 23. Bg2 Bxg2 24. Kxg2 c6 25. b4 a6 26. Rh1 Nd5 27. Rh5 Rxe3 28. Rxf5 Rxf5 29. Qxf5 Re2 30. Qc8+ Kf7 31. Bxg7 Ra2 32. Bd4 Rxa3 33. Qxb7 1-0

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.17"]
[Round "13"]
[White "Piskov, Kamen Penev"]
[Black "Arnaudov, Petar"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "38"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 7. b3 Nge7 8. Bb2 Qd7 9. h4 d5 10. d3 Rd8 11. Na4 b6 12. 0-0 0-0 13. Kh2 Qc8 14. Qe1 Rd7 15. Rd1 Rfd8 16. c5 d4 17. exd4 exd4 18. cxb6 axb6 19. Rc1 Bd5 0-1

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.15"]
[Round "12"]
[White "Kozarov, Petar"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A23"]
[PlyCount "99"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[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. g3 c6 4. Nf3 e4 5. Nd4 Bc5 6. Nb3 Bb4 7. Bg2 d5 8. cxd5 cxd5 9. 0-0 0-0 10. a3 Bxc3 11. dxc3 Bd7 12. a4 Bc6 13. Qd4 Nbd7 14. Bg5 h6 15. Bxf6 Nxf6 16. Rfd1 Qe7 17. a5 a6 18. Qe3 Ng4 19. Qf4 f5 20. Nd4 Qf6 21. Bh3 h5 22. f3 Nh6 23. fxe4 g5 24. Qd2 dxe4 25. Nxc6 bxc6 26. Ra4 Rad8 27. Rd4 Nf7 28. Qe3 Rxd4 29. Qxd4 Qxd4+ 30. Rxd4 Ne5 31. Rd6 g4 32. Re6 Nd7 33. Bf1 Nb8 34. Kf2 Kf7 35. Rd6 Ke7 36. Rh6 Rd8 37. Rxh5 Kf6 38. h3 Rd2 39. b4 Nd7 40. Rh6+ Kg5 41. Rxc6 gxh3 42. Bxh3 Ne5 43. Rxa6 Rc2 44. Re6 Nc4 45. a6 Rxc3 46. b5 f4 47. gxf4+ Kxf4 48. Bg2 Ne5 49. a7 Ra3 50. b6 1-0

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.13"]
[Round "10"]
[White "Chaprazov, Ivan Vasilev"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "77"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nf3 Ng6 5. h4 h5 6. Be2 Nf6 7. Bg5 Be7 8. Nc3 d6 9. Bxf6 Bxf6 10. g3 Nf8 11. Nd2 g6 12. Bb5+ Nd7 13. Qe2 a6 14. Bxd7+ Bxd7 15. 0-0-0 b5 16. Rde1 b4 17. Nd1 a5 18. Kb1 a4 19. Ne3 Bg7 20. Rc1 f5 21. f3 f4 22. Nef1 fxg3 23. Qg2 Bh6 24. Qxg3 Qf6 25. c4 0-0 26. Re1 Kh7 27. Re2 Qf4 28. Qe1 Qf6 29. Rg2 Be8 30. Rhg1 Qe7 31. Rh1 Rb8 32. Ne3 Rf4 33. Qg3 Rf8 34. Qe1 Rf4 35. Nd1 Rf8 36. Ne3 Rf4 37. c5 dxc5 38. d6 cxd6 39. Nd5 1-0

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.11"]
[Round "9"]
[White "Piskov, Kamen Penev"]
[Black "Bahchevanski, Hristo"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "72"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[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. Be2 Nc6 4. 0-0 Nf6 5. Nc3 Be7 6. d4 cxd4 7. Nxd4 0-0 8. Kh1 a6 9. f4 d6 10. Be3 Qc7 11. Qe1 Na5 12. Rd1 b5 13. a3 Bb7 14. Bf3 Nc4 15. Bc1 Rac8 16. Rd3 d5 17. e5 Nd7 18. Bg4 Qb6 19. b4 g6 20. Qg3 Kh8 21. Qh3 Rce8 22. Qh6 Rg8 23. f5 gxf5 24. Qxh7+ Kxh7 25. Rh3+ Kg7 26. Bh6+ Kg6 27. Nxf5 Ndxe5 28. Bh5+ Kh7 29. Bf8 Ng6 30. Bxg6+ Kxg6 31. Nxe7+ Rxe7 32. Bxe7 f5 33. Bc5 Qc7 34. Ne2 Kf7 35. Bd4 Ke8 36. Nf4 e5 0-1

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.10"]
[Round "8"]
[White "Spassov, Liuben"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "62"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 Nh6 7. Nc3 c6 8. Nxh7 Bxe6 9. Nxf8 Bf7 10. Be3 Rxf8 11. Qd4 Rg8 12. 0-0-0 Nd7 13. Qd2 Ng4 14. Bg5 Ngf6 15. f3 exf3 16. Re1+ Kf8 17. Qf4 Rh8 18. Qxf3 d4 19. Ne4 Qa5 20. Bd2 Qxa2 21. Bb4+ Kg8 22. Nxf6+ Nxf6 23. Ba3 Rd8 24. Bd3 c5 25. Bxc5 Qa1+ 26. Kd2 Qxb2 27. Bf5 Rd5 28. Bxa7 Qc3+ 29. Qxc3 dxc3+ 30. Kxc3 Rxf5 31. Re7 Nd5+ 0-1

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.08"]
[Round "7"]
[White "Piskov, Kamen Penev"]
[Black "Minev, Nikolay Nikolaev"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "54"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[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. Be2 g6 4. 0-0 Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. Na3 0-0 9. Qd2 Rb8 10. Nc2 b5 11. Bh6 b4 12. Bxg7 Kxg7 13. cxb4 Nxb4 14. Nxb4 Rxb4 15. a3 Rb7 16. b4 cxb4 17. axb4 Nc6 18. b5 Rxb5 19. d4 Rb7 20. Qc3 Rc7 21. dxe5 Nxe5 22. Qd4 Qf6 23. Rfd1 Bg4 24. Qxd6 Qxd6 25. Rxd6 Bxf3 26. Bxf3 Nxf3+ 27. gxf3 Rb8 1/2-1/2

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.07"]
[Round "6"]
[White "Spiridonov, Nikola"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B79"]
[PlyCount "59"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 Nc6 4. e4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 Bd7 9. Qd2 Qa5 10. 0-0-0 0-0 11. Bb3 Rfc8 12. Kb1 Ne5 13. Bg5 Qd8 14. Qe2 a6 15. f4 Nc6 16. e5 Nxd4 17. Rxd4 Ne8 18. Nd5 Kh8 19. Nxe7 Qb6 20. Qd2 Rc5 21. Bxf7 dxe5 22. Rxd7 exf4 23. Bb3 Rxg5 24. Nd5 Rxd5 25. Qxd5 Nf6 26. Qxb7 Qxb7 27. Rxb7 g5 28. Re1 g4 29. Ree7 Rd8 30. a3 1-0

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.06"]
[Round "5"]
[White "Piskov, Kamen Penev"]
[Black "Kerchev, Zlatozar"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "68"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nf6 5. e3 0-0 6. Nge2 d6 7. 0-0 Nc6 8. d4 Bf5 9. d5 Ne7 10. h3 Qc8 11. g4 Bd7 12. f4 h5 13. fxe5 dxe5 14. g5 Nh7 15. h4 Nf5 16. Qe1 f6 17. e4 Nd4 18. Nxd4 exd4 19. Ne2 fxg5 20. hxg5 Rxf1+ 21. Qxf1 Qd8 22. Qf4 Bg4 23. Bf3 Bxf3 24. Qxf3 Qe7 25. Bf4 Rf8 26. Re1 Qxg5+ 27. Bxg5 Rxf3 28. Bf4 g5 29. Bxc7 d3 30. Nc3 Bd4+ 31. Kh1 Rf2 32. e5 Bxc3 33. bxc3 Re2 34. Rd1 d2 0-1

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.05"]
[Round "4"]
[White "Bobekov, Radko"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "C60"]
[PlyCount "66"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[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 Nge7 4. 0-0 g6 5. d4 exd4 6. Nxd4 Bg7 7. Be3 0-0 8. Nc3 a6 9. Ba4 b5 10. Bb3 Na5 11. Bg5 h6 12. Bh4 Bb7 13. Nf5 gxf5 14. exf5 Bxc3 15. bxc3 Nxb3 16. Bf6 Kh7 17. Qh5 Nxa1 18. Re1 Nd5 19. Bxd8 Raxd8 20. f6 Nxf6 21. Qf5+ Kg7 22. Rxa1 Rfe8 23. g4 Re6 24. h4 Nxg4 25. h5 Kh8 26. f3 Ne5 27. Kf2 Nxf3 28. Rd1 d6 29. Rd3 Ng5 30. Re3 Ne4+ 31. Kg1 Rg8+ 32. Kh2 Rf6 33. Qd7 Rf2+ 0-1

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.03"]
[Round "3"]
[White "Piskov, Kamen Penev"]
[Black "Daskalov, Georgi Ilchev"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "63"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 d6 6. Nge2 Nc6 7. 0-0 e5 8. d3 Bd7 9. h3 h5 10. Kh2 Be6 11. e4 Nh7 12. f4 f5 13. fxe5 dxe5 14. exf5 gxf5 15. Nd5 Rf7 16. Qe1 Ne7 17. Nef4 Bxd5 18. Nxd5 c6 19. Nxe7+ Qxe7 20. Be3 Qd6 21. c5 Qg6 22. Rd1 Re8 23. Bc1 Nf6 24. b4 f4 25. a4 Bh6 26. Rg1 Ng4+ 27. hxg4 hxg4 28. Rh1 f3 29. Qe4 Qxe4 30. dxe4 Bxc1 31. Rxc1 fxg2 32. Kxg2 1/2-1/2

[Event "BUL-ch19"]
[Site "Varna"]
[Date "1965.04.01"]
[Round "1"]
[White "Karastoichev, Emil Stefanov"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "143"]
[EventDate "1965.04.01"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nf3 Ng6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Nf6 8. h4 d6 9. h5 Ne7 10. Qd3 h6 11. Be2 Bd7 12. Nh4 c6 13. c4 b5 14. c5 dxc5 15. d6 Nc8 16. Qg3 Nxd6 17. Qxe5+ Be6 18. f3 0-0 19. g4 Nc4 20. Bxc4 Bxc4 21. Bb2 Re8 22. Qc3 Qd4 23. Qxd4 cxd4 24. Nf5 c5 25. Kf2 Re6 26. Rag1 Nh7 27. Bc1 f6 28. Bf4 Rd8 29. Rc1 Ng5 30. Bxg5 fxg5 31. Rhd1 Kf7 32. c3 d3 33. Ke3 Kf6 34. Rd2 Ra6 35. Ra1 Rd7 36. Ng3 Ke5 37. Nf1 Rf7 38. Rb2 Raf6 39. Nd2 Rb6 40. a4 Ra6 41. Rbb1 Rc7 42. axb5 Bxb5 43. c4 Rxa1 44. Rxa1 Be8 45. Ra3 Bd7 46. Rxd3 a5 47. Nb3 a4 48. Rd5+ Kf6 49. Nxc5 Be8 50. Kd4 Ra7 51. Rd6+ Ke7 52. Re6+ Kd8 53. Rb6 a3 54. Rb1 a2 55. Ra1 Ke7 56. Nb3 Ra3 57. Nc1 Rxf3 58. Rxa2 Rf4 59. Ra7+ Kf8 60. Nd3 Rxg4 61. Ne5 Rg1 62. Ng6+ Kg8 63. c5 Kh7 64. Nf8+ Kg8 65. Ng6 Kh7 66. Nf8+ Kg8 67. Ne6 Bxh5 68. Nxg7 Bg4 69. Nf5 Bxf5 70. exf5 Kf8 71. c6 Ke8 72. f6 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.03.01"]
[Round "19"]
[White "Piskov, Kamen Penev"]
[Black "Milev, Angel"]
[Result "1/2-1/2"]
[ECO "A43"]
[PlyCount "129"]
[EventDate "1961.02.05"]
[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 c5 2. d5 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 e5 6. dxe6 fxe6 7. h4 Nf6 8. Nc3 d5 9. Bg5 Qa5 10. Bd2 Qd8 11. Bg5 Nc6 12. h5 gxh5 13. Qd2 Bd7 14. Qf4 h6 15. Bh4 Qb8 16. Bxf6 Qxf4 17. Bxg7 Qb4 18. Bxh8 d4 19. 0-0-0 dxc3 20. Bxc3 Qc4 21. Kb1 0-0-0 22. Rd3 Be8 23. Ne5 Nxe5 24. Bxe5 Rxd3 25. cxd3 Qg4 26. Bf3 Qf5 27. Bf4 e5 28. Be3 b6 29. Rh4 Bf7 30. b3 Kc7 31. Kb2 Kd8 32. Ra4 a5 33. Rh4 Be8 34. Bd5 a4 35. bxa4 e4 36. Bxe4 Qe5+ 37. Kb1 Qc3 38. Bf3 Bf7 39. Rf4 Be6 40. Re4 Bd5 41. Rf4 Bxf3 42. exf3 Qxd3+ 43. Kb2 Qe2+ 44. Kb3 Kd7 45. Rf6 c4+ 46. Kc3 Qd3+ 47. Kb4 Qb1+ 48. Kxc4 Qxa2+ 49. Kd3 Qb3+ 50. Ke4 Qxa4+ 51. Bd4 Qc2+ 52. Kd5 b5 53. Rd6+ Kc7 54. Rxh6 Qc4+ 55. Ke5 Qe2+ 56. Kf4 b4 57. Rxh5 b3 58. g4 Qd3 59. Be5+ Kd7 60. Rf5 Qd2+ 61. Kg3 b2 62. Bxb2 Qxb2 63. Kg2 Ke6 64. Rh5 Qb8 65. Rf5 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.27"]
[Round "18"]
[White "Prahov, Valentin Asenov"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "110"]
[EventDate "1961.02.05"]
[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 Nf6 5. Nc3 d6 6. Be3 e5 7. Ndb5 a6 8. Na3 Be6 9. Be2 d5 10. exd5 Nxd5 11. Nxd5 Bxd5 12. 0-0 Bxa3 13. bxa3 0-0 14. a4 Be4 15. c3 Qc7 16. Qb3 Nd8 17. Rfd1 Ne6 18. Bc4 Bc2 19. Qxc2 Qxc4 20. Qb3 Rac8 21. Qxb7 Qxa4 22. Rd6 a5 23. Qd5 Rfd8 24. h3 Rxd6 25. Qxd6 Qe4 26. Qa6 Ra8 27. Qb5 a4 28. Rb1 h6 29. Qb7 Qxb7 30. Rxb7 Rc8 31. Rb4 Rxc3 32. Rxa4 f5 33. Ba7 Kf7 34. Ra5 Kf6 35. Bb8 Rc1+ 36. Kh2 Re1 37. a4 Re2 38. Rb5 e4 39. a5 Ra2 40. Ba7 g5 41. Bb6 f4 42. Rb1 Ke5 43. Rb5+ Kd6 44. Rf5 Ra3 45. Kg1 Rb3 46. Ba7 e3 47. fxe3 fxe3 48. Rf3 e2 49. Kf2 Rb2 50. g3 Ra2 51. Bb6 g4 52. hxg4 Ra4 53. Kxe2 Rxg4 54. a6 Kc6 55. a7 Ra4 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.26"]
[Round "17"]
[White "Dimitrov Krastev, Krastjo"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "B62"]
[PlyCount "152"]
[EventDate "1961.02.05"]
[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 Nf6 5. Nc3 d6 6. Bg5 e6 7. Be2 Be7 8. 0-0 0-0 9. Kh1 a6 10. Qd2 Qc7 11. Rad1 Rd8 12. Be3 Bd7 13. f4 Rac8 14. Qe1 b5 15. a3 Qb7 16. Bf3 Ne8 17. e5 Qb8 18. Bxc6 Bxc6 19. f5 dxe5 20. fxe6 f6 21. Nf5 Qb7 22. Qg3 Kh8 23. Qg4 Bf8 24. Rd3 g6 25. Nh6 Bxh6 26. Bxh6 Rxd3 27. cxd3 Rd8 28. Ne4 Bxe4 29. dxe4 Qe7 30. h4 Rd6 31. Rc1 Qxe6 32. Qxe6 Rxe6 33. Rc8 Kg8 34. Kg1 Kf7 35. Kf2 Nd6 36. Rh8 Nxe4+ 37. Ke3 Nd6 38. Rxh7+ Ke8 39. Kd3 e4+ 40. Ke2 Nc4 41. Bc1 Rc6 42. Kd1 Rd6+ 43. Ke2 Rd7 44. Rh8+ Kf7 45. Ra8 Rd6 46. g4 Rc6 47. h5 g5 48. Ra7+ Kg8 49. Re7 Nd6 50. Kd1 Kf8 51. Ra7 Nf7 52. Bd2 Nh6 53. Ra8+ Kf7 54. Ra7+ Ke6 55. Ke2 Nxg4 56. Bc3 Kf5 57. Ra8 Kf4 58. Rg8 Kf5 59. Rg7 Re6 60. Rg8 Kf4 61. Rg6 Kf5 62. Rg7 Re8 63. Ra7 Rh8 64. Rxa6 Rxh5 65. Rb6 Rh2+ 66. Ke1 e3 67. Rxb5+ Ke4 68. Kd1 f5 69. a4 Nf2+ 70. Kc2 Nd3+ 71. Kb1 g4 72. a5 g3 73. a6 g2 74. a7 g1Q+ 75. Ka2 Qg8+ 76. Ka3 Rh7 0-1

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.25"]
[Round "16"]
[White "Piskov, Kamen Penev"]
[Black "Popov, Luben"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "53"]
[EventDate "1961.02.05"]
[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. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 c6 7. Nge2 a6 8. Qd2 b5 9. Ng3 bxc4 10. Bxc4 d5 11. Be2 dxe4 12. fxe4 e5 13. d5 cxd5 14. exd5 Nfd7 15. 0-0-0 a5 16. h4 a4 17. h5 a3 18. hxg6 axb2+ 19. Kb1 hxg6 20. Bh6 Bh8 21. Bxf8 Qxf8 22. Nge4 Bg7 23. d6 Nb6 24. Qg5 N6d7 25. Qh4 Qe8 26. Qh7+ Kf8 27. Qh8+ 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.23"]
[Round "15"]
[White "Filchev, Rusko"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "B37"]
[PlyCount "50"]
[EventDate "1961.02.05"]
[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. Nf3 cxd4 4. Nxd4 g6 5. Nc3 Nc6 6. Nc2 Bg7 7. e4 d6 8. Be2 Be6 9. 0-0 Rc8 10. Bd2 Nd7 11. Rc1 0-0 12. b3 Nc5 13. f3 f5 14. b4 Nd7 15. Nd5 fxe4 16. fxe4 Nd4 17. Nxd4 Bxd4+ 18. Kh1 Rxf1+ 19. Bxf1 Be5 20. Be3 Bf7 21. Bg5 Nf6 22. Nxf6+ exf6 23. Be3 b6 24. a4 Qe7 25. Qd2 Qe8 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.22"]
[Round "14"]
[White "Piskov, Kamen Penev"]
[Black "Kadrev, Zdravko Minchev"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "136"]
[EventDate "1961.02.05"]
[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. d3 d6 5. Nc3 Nf6 6. Bg5 Be7 7. Qd2 0-0 8. 0-0-0 Kh8 9. exf5 Bxf5 10. d4 Nxd4 11. Nxd4 exd4 12. Qxd4 c6 13. Bd3 Bxd3 14. Rxd3 d5 15. Re1 Ng8 16. Rxe7 Nxe7 17. Qh4 Re8 18. Re3 d4 19. Bxe7 Qd7 20. Rh3 h6 21. Bf6 Re1+ 22. Nd1 Kh7 23. Bg5 Re6 24. Bd2 c5 25. Qg4 Qd5 26. Rg3 Rg8 27. b3 b5 28. Qf3 Qe4 29. Qxe4+ Rxe4 30. Rf3 Rge8 31. Rf7 R8e7 32. Rf5 R4e5 33. Rf3 Kg6 34. g4 Rf7 35. Rg3 c4 36. c3 dxc3 37. Rxc3 cxb3 38. axb3 h5 39. h3 hxg4 40. hxg4 Re4 41. g5 a5 42. Rc6+ Kh5 43. Bxa5 Kxg5 44. Bd2+ Kg4 45. Rg6+ Kh3 46. Be3 Rc7+ 47. Kb2 b4 48. f3 Re8 49. Rg4 Rf7 50. Rxb4 Rxf3 51. Bd2 Re2 52. Kc1 Rd3 53. Bc3 g5 54. Rd4 Rxd4 55. Bxd4 g4 56. b4 g3 57. Nc3 Re8 58. Kd2 Kg2 59. Kd3 Kf3 60. b5 g2 61. b6 Re1 62. b7 Re8 63. Nb5 Rd8 64. Kc3 Rb8 65. Nd6 Rxb7 66. Nxb7 Ke2 67. Nd6 Kf1 68. Ne4 g1Q 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.21"]
[Round "13"]
[White "Chipev, Teodor Antonov"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "B27"]
[PlyCount "45"]
[EventDate "1961.02.05"]
[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 Qa5 3. Nc3 g6 4. d4 Bg7 5. Be2 Nc6 6. Be3 Nf6 7. 0-0 Ng4 8. Bd2 cxd4 9. Nxd4 Bxd4 10. Bxg4 0-0 11. Ne2 Qb6 12. Nxd4 Qxd4 13. Bc3 Qxe4 14. Bxd7 Bxd7 15. Qxd7 Rab8 16. Rac1 Rfd8 17. Qc7 Qe6 18. a3 Rd7 19. Qf4 f6 20. Rfe1 Qf7 21. Re3 Rbd8 22. h3 a6 23. Rce1 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.19"]
[Round "12"]
[White "Piskov, Kamen Penev"]
[Black "Kostov Petkov, Petko"]
[Result "1/2-1/2"]
[ECO "A52"]
[PlyCount "71"]
[EventDate "1961.02.05"]
[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 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. a3 Bc5 7. b4 Bxg1 8. Rxg1 Qh4+ 9. g3 Qxh2 10. Rg2 Qh1 11. Qg4 0-0 12. Bb2 f6 13. Qe2 d6 14. Nd2 Qh3 15. Qf2 a5 16. b5 Ne7 17. Rh2 Qe6 18. 0-0-0 Nd7 19. c5 d5 20. exd5 Nxd5 21. Bc4 c6 22. Nf3 Qe7 23. Bxd5+ cxd5 24. Rxd5 b6 25. Rdh5 Nxc5 26. Qc2 Qe3+ 27. Kb1 Qxf3 28. Qxh7+ Kf7 29. f5 Qd1+ 30. Ka2 Qb3+ 31. Ka1 Qd1+ 32. Ka2 Qb3+ 33. Kb1 Qd3+ 34. Ka2 Qb3+ 35. Kb1 Qd1+ 36. Ka2 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.18"]
[Round "11"]
[White "Neikirkh, Oleg"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "64"]
[EventDate "1961.02.05"]
[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 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. e3 Re8 9. Bd3 c5 10. Ne2 Nc6 11. 0-0 Bd7 12. Rb1 Na5 13. g4 c4 14. Bc2 h6 15. Ng3 b6 16. Qe1 Nb7 17. Qf2 Nd6 18. Bd2 Bc6 19. Rfd1 Qd7 20. Nf5 Nxf5 21. gxf5 Qd6 22. Bc1 Re7 23. Kh1 Rae8 24. Rg1 Nd7 25. a4 f6 26. Rg4 Nf8 27. Rg1 Qd7 28. Qg2 Kh8 29. Ba3 Rf7 30. e4 Nh7 31. Bc1 dxe4 32. fxe4 Ng5 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.17"]
[Round "10"]
[White "Piskov, Kamen Penev"]
[Black "Drumev, Avram"]
[Result "1-0"]
[ECO "A70"]
[PlyCount "79"]
[EventDate "1961.02.05"]
[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 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 Qc7 10. e4 0-0 11. Be2 Nh5 12. Be3 Re8 13. Nd2 Nf6 14. 0-0 a6 15. a4 Bg4 16. f3 Bc8 17. Nc4 Nbd7 18. a5 Rb8 19. Na4 h6 20. Bf4 Bf8 21. Rad1 g5 22. Bc1 Bg7 23. Rfe1 Nh7 24. Bf1 Ne5 25. Nab6 f5 26. Nxe5 Bxe5 27. Nc4 fxe4 28. Rxe4 Nf6 29. Ree1 Bd4+ 30. Be3 Bxe3+ 31. Rxe3 Rxe3 32. Qxe3 Bf5 33. g4 Re8 34. Qc3 Nxg4 35. fxg4 Bxg4 36. Re1 Rf8 37. Qg3 Rf4 38. Qe3 Rd4 39. Qe8+ Kg7 40. Re7+ 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.15"]
[Round "9"]
[White "Milev, Zdravko"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "E46"]
[PlyCount "75"]
[EventDate "1961.02.05"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. g3 Re8 9. Bg2 c6 10. 0-0 Nbd7 11. Qc2 Nb6 12. b3 Bg4 13. f3 Bh5 14. Nf4 Bg6 15. Nxg6 hxg6 16. Ne2 Rc8 17. b4 a5 18. Rb1 axb4 19. axb4 Nc4 20. e4 Qb6 21. Kh1 Bxb4 22. e5 Nh7 23. f4 Qa5 24. f5 g5 25. Qb3 Bd2 26. Qxb7 Rc7 27. Qb3 Bxc1 28. Rfxc1 Ra7 29. Qc3 Qc7 30. Rb3 Nf8 31. Ng1 Rea8 32. Bf1 Ra4 33. Nf3 Qe7 34. Rcb1 Nd7 35. g4 Qd8 36. Bxc4 Rxc4 37. Qe3 Nf8 38. Rb7 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.13"]
[Round "7"]
[White "Minev, Nikolay Nikolaev"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "D63"]
[PlyCount "44"]
[EventDate "1961.02.05"]
[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. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Rc1 c6 8. a3 Re8 9. Bd3 Nf8 10. 0-0 Ng6 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bxe7 Qxe7 14. f4 Nf8 15. Qh5 g6 16. Qh6 f6 17. exf6 Qxf6 18. Kh1 b6 19. e4 Ba6 20. e5 Qg7 21. Qh3 Bb7 22. Rce1 Re7 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.11"]
[Round "6"]
[White "Piskov, Kamen Penev"]
[Black "Ajanski, Jordan S"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "140"]
[EventDate "1961.02.05"]
[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 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. h3 e5 7. e4 Nc6 8. Nc3 Be6 9. Ng5 h6 10. Nxe6 fxe6 11. Ne2 Nh5 12. c3 Qe7 13. Be3 Kh7 14. Kh2 Rf7 15. b4 a6 16. a4 Raf8 17. b5 Nb8 18. Rb1 axb5 19. axb5 b6 20. Ng1 Nd7 21. Ra1 Qe8 22. Bf3 Nc5 23. Rb1 Nf6 24. Qc2 Qa8 25. Ra1 Qe8 26. d4 Nb7 27. Rfb1 Na5 28. dxe5 dxe5 29. c4 Nd7 30. Kg2 Nb7 31. Ra7 Ndc5 32. Rd1 h5 33. h4 Bh6 34. Ra3 Qe7 35. Bxh6 Kxh6 36. Nh3 Nd6 37. Ng5 Rf6 38. Rda1 Nf7 39. Qc1 Kg7 40. Ra8 Nb3 41. Qa3 Qxa3 42. R1xa3 Rxa8 43. Rxa8 Nxg5 44. hxg5 Rf7 45. Be2 Nc5 46. f3 Nd7 47. Re8 Nc5 48. Rc8 Re7 49. Kf2 Nb7 50. Ke3 Nd6 51. Ra8 Nf7 52. Ra7 Nxg5 53. c5 Kf6 54. f4 Nf7 55. Ra6 bxc5 56. Rc6 exf4+ 57. gxf4 g5 58. Rxc5 gxf4+ 59. Kxf4 e5+ 60. Ke3 Kg5 61. Rc1 Nh6 62. Bf3 Ng4+ 63. Bxg4 hxg4 64. Rh1 Rf7 65. Kd3 g3 66. Kc4 g2 67. Rg1 Rf2 68. Kd5 Kf4 69. Kc6 Kxe4 70. Kxc7 Rb2 0-1

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.10"]
[Round "5"]
[White "Radulov, Ivan"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "60"]
[EventDate "1961.02.05"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bc4 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 c5 10. Be3 Qc7 11. Qd2 Rd8 12. c3 Nd7 13. 0-0-0 Nb6 14. Qf2 cxd4 15. Nxd4 Bg4 16. Rdf1 Nc4 17. Nc2 f5 18. h3 fxe4 19. Bd4 e3 20. Qe1 Bxd4 21. hxg4 Bg7 22. Nxe3 Rd3 23. Nd5 Rxd5 24. Qe6+ Kf8 25. Qxd5 Ne3 26. Qg5 Nxf1 27. f5 Bxc3 28. Kb1 Bf6 29. Qh6+ Bg7 30. Qg5 Rc8 0-1

[Event "BUL-ch15+"]
[Site "Sofia"]
[Date "1961.02.09"]
[Round "4"]
[White "Piskov, Kamen Penev"]
[Black "Padevsky, Nikola Bochev"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "84"]
[EventDate "1961.02.05"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 c5 6. e4 d6 7. h3 Nc6 8. c3 Rb8 9. Be3 b5 10. Qd2 Re8 11. Bh6 Bh8 12. Ng5 Qc7 13. f4 Bd7 14. Na3 Bg7 15. Bxg7 Kxg7 16. Rae1 h6 17. Nf3 b4 18. Nc4 Be6 19. g4 Bxc4 20. dxc4 bxc3 21. bxc3 Nd7 22. e5 Na5 23. e6 fxe6 24. Rxe6 Nf8 25. Re4 e6 26. f5 exf5 27. Rxe8 Rxe8 28. gxf5 Nxc4 29. f6+ Kh7 30. Qf4 Qf7 31. Qh4 Qd5 32. f7 Re2 33. Rf2 Rxf2 34. Qxf2 Kg7 35. Nh4 Qg5 36. Nf3 Qe3 37. Ne1 Qxf2+ 38. Kxf2 Ne5 39. Bd5 Nxf7 40. Nf3 Nd7 41. Nd2 Nf6 42. Bg2 Ne5 0-1

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.07"]
[Round "3"]
[White "Dimitrov Iliev, Ilia"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "183"]
[EventDate "1961.02.05"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 c6 6. Bh6 Bxh6 7. Qxh6 Qc7 8. Nf3 Be6 9. 0-0-0 Nbd7 10. Ng5 Nb6 11. Nxe6 fxe6 12. g3 Ng4 13. Qd2 0-0 14. f4 e5 15. Bh3 Nf6 16. Be6+ Kg7 17. dxe5 dxe5 18. f5 Rad8 19. Qg5 Rd6 20. h4 Rxe6 21. fxe6 h6 22. Qd2 Qc8 23. Qe2 h5 24. Rd3 Qxe6 25. Rhd1 Ng4 26. Rf1 Rxf1+ 27. Qxf1 Nf6 28. Qf2 Qc4 29. Qe3 Qb4 30. a3 Qa5 31. Rd1 Nc4 32. Qd3 Nd6 33. Qe3 Nc4 34. Qd3 Nd6 35. Kb1 Ng4 36. Rf1 Nf6 37. Qe2 Ng4 38. Qd2 Qa6 39. Re1 Qa5 40. Qg5 Qd8 41. Rd1 b5 42. Rd3 Qf8 43. Rd1 Qf7 44. b3 Qe6 45. Re1 a5 46. Qd2 Nf6 47. Re3 a4 48. Ka2 Nd7 49. Nd1 axb3+ 50. cxb3 Nf6 51. Qc2 c5 52. Qxc5 Nfxe4 53. Qc2 Nf6 54. Rc3 b4 55. Rc6 bxa3 56. Ne3 Qh3 57. Rc7 Qxg3 58. Rxe7+ Kf8 59. Re6 Nfe4 60. Nd5 Qg4 61. Rxe5 Qxh4 62. Qg2 Kg7 63. Re7+ Kh6 64. Re6 Qg5 65. Qxg5+ Kxg5 66. Ne7 h4 67. Rxg6+ Kh5 68. Rg8 Nb5 69. Nd5 h3 70. b4 Kh4 71. Ne3 h2 72. Nf1 Kh3 73. Rh8+ Kg2 74. Nxh2 Nec3+ 75. Kb3 a2 76. Kb2 Nd5 77. Kxa2 Nxb4+ 78. Kb3 Nd5 79. Kc4 Nbc3 80. Kd4 Kg3 81. Nf1+ Kg4 82. Rf8 Kg5 83. Nh2 Kg6 84. Ng4 Kg5 85. Ne5 Kh4 86. Rg8 Kh5 87. Kc4 Kh4 88. Nf3+ Kh5 89. Rg1 Kh6 90. Nd4 Kh5 91. Rg8 Kh4 92. Rg7 1-0

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.06"]
[Round "2"]
[White "Piskov, Kamen Penev"]
[Black "Spassov, Liuben"]
[Result "1/2-1/2"]
[ECO "A67"]
[PlyCount "144"]
[EventDate "1961.02.05"]
[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 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 0-0 10. Nf3 Nf6 11. Nd2 Na6 12. Bxa6 bxa6 13. 0-0 Re8 14. Re1 Rb8 15. h3 Rb4 16. Qf3 Bb7 17. Re2 Ba8 18. a3 Rd4 19. Rb1 c4 20. Qf2 Nd7 21. Kh2 Nc5 22. Qf3 Nd3 23. Nf1 Nxc1 24. Rxc1 f5 25. exf5 Rxf4 26. Qxf4 Rxe2 27. Qxc4 Be5+ 28. Kh1 Rxg2 29. Kxg2 Qg5+ 30. Kf2 Qxc1 31. fxg6 Qc2+ 32. Ke1 Qxb2 33. gxh7+ Kh8 34. Qc8+ Kxh7 35. Qf5+ Kg7 36. Qg5+ Kf7 37. Qf5+ Ke7 38. Qg5+ Bf6 39. Qe3+ Kd8 40. Nd1 Bh4+ 41. Nf2 Bxd5 42. Nd2 Bc6 43. Kf1 Qa1+ 44. Ke2 Bb5+ 45. Kf3 Qf6+ 46. Kg2 Bc6+ 47. Nf3 Qb2 48. Kg1 Bxf2+ 49. Qxf2 Qxa3 50. Nd4 Bd5 51. h4 Kc7 52. Kh2 Qd3 53. Qb2 Qe3 54. h5 Qg5 55. Qc3+ Kb7 56. Qb2+ Ka8 57. Qf2 Qxh5+ 58. Kg3 Qg5+ 59. Kh2 Qe5+ 60. Kg1 Be4 61. Qf8+ Kb7 62. Qf7+ Kb6 63. Qb3+ Kc7 64. Qf7+ Kc8 65. Qg8+ Kd7 66. Qf7+ Qe7 67. Qxe7+ Kxe7 68. Kf2 Kf6 69. Ke3 Ke5 70. Nb3 Kd5 71. Na5 Bf5 72. Nb7 Ke6 1/2-1/2

[Event "BUL-ch15"]
[Site "Sofia"]
[Date "1961.02.05"]
[Round "1"]
[White "Pantaleev, Dimitar Dimitrov"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "B63"]
[PlyCount "130"]
[EventDate "1961.02.05"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. Bxf6 Bxf6 10. Nxc6 bxc6 11. Qxd6 Qb6 12. Qg3 Rb8 13. b3 Qa5 14. Kb2 Rb4 15. Re1 Bd4 16. Rd1 e5 17. a3 Rb6 18. Bc4 Ba6 19. Bxa6 Rxa6 20. Ra1 c5 21. Qd3 Rd8 22. Qc4 Rg6 23. g3 Rf6 24. f4 exf4 25. gxf4 Rxf4 26. Rhf1 Qxc3+ 27. Qxc3 Bxc3+ 28. Kxc3 Rxe4 29. Rf5 Rc8 30. Raf1 Rc7 31. R1f4 Rxf4 32. Rxf4 g6 33. Kc4 f5 34. Kd5 Rd7+ 35. Ke6 Rd2 36. Rc4 Kg7 37. h4 Re2+ 38. Kd5 h6 39. b4 cxb4 40. axb4 g5 41. h5 g4 42. Rc6 Rh2 43. Ke5 Rxh5 44. Kf4 Rg5 45. Ra6 g3 46. Rxa7+ Kg6 47. Ra1 Rg4+ 48. Kf3 h5 49. Rb1 h4 50. Kg2 Rc4 51. Kh3 Kg5 52. Rb2 f4 53. b5 f3 54. b6 f2 55. Rb5+ Kf6 56. Rb1 Rb4 57. Rf1 Kg5 58. c4 Rxc4 59. b7 Rb4 60. Ra1 Rxb7 61. Ra5+ Kf4 62. Ra4+ Ke3 63. Ra3+ Kd2 64. Ra1 Rf7 65. Ra2+ Kc3 0-1

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.26"]
[Round "19"]
[White "Pantaleev, Dimitar Dimitrov"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "A56"]
[PlyCount "90"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 0-0 7. Nf3 Ne8 8. 0-0 g6 9. Bh6 Ng7 10. Nd2 Bg5 11. Bxg5 Qxg5 12. a3 f5 13. exf5 gxf5 14. f4 exf4 15. Qc2 Nd7 16. Rf2 Ne5 17. Raf1 Ng6 18. Nf3 Qf6 19. Ne1 Bd7 20. Nd3 Qd4 21. Kh1 f3 22. Rxf3 f4 23. R3f2 Nf5 24. Rxf4 Nxf4 25. Rxf4 Ne3 26. Rxd4 Nxc2 27. Rf4 Nd4 28. Bd1 Bf5 29. Nf2 Bg6 30. Rxf8+ Rxf8 31. Kg1 Re8 32. Ng4 Kg7 33. Kf2 a6 34. Ne3 b5 35. b4 cxb4 36. axb4 bxc4 37. Ba4 Rf8+ 38. Ke1 Bd3 39. Bd1 Rb8 40. Na2 Kf6 41. Kd2 Ke5 42. Nc3 Nb5 43. g4 Kd4 44. Nc2+ Bxc2 45. Ne2+ Kxd5 0-1

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.24"]
[Round "18"]
[White "Piskov, Kamen Penev"]
[Black "Khadshipetrov, Alexander Mateev"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "82"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. g3 d5 4. cxd5 cxd5 5. d4 Nc6 6. Bg2 e6 7. Nf3 Be7 8. 0-0 0-0 9. b3 Bd7 10. Bb2 Qa5 11. a3 Rfc8 12. Qd3 Qd8 13. b4 Be8 14. e3 Nd7 15. e4 Nb6 16. exd5 Nxd5 17. Nxd5 Qxd5 18. Rfd1 Rd8 19. Qe2 a6 20. Ne5 Qb5 21. Qxb5 axb5 22. Nxc6 Bxc6 23. Bxc6 bxc6 24. Rdc1 Ra6 25. Rc2 Bf6 26. Rac1 Rd6 27. Kf1 Kf8 28. Ke2 Bxd4 29. Rd1 e5 30. Bxd4 exd4 31. Ra2 Ke7 32. Kd3 Ke6 33. Re1+ Kd5 34. Re7 Rf6 35. f4 Kd6 36. Re4 c5 37. bxc5+ Kxc5 38. Rxd4 Rad6 39. Rxd6 Rxd6+ 40. Kc3 Rd1 41. Re2 Rc1+ 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.23"]
[Round "17"]
[White "Karastoichev, Emil Stefanov"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "59"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Qa5 3. Nc3 g6 4. Bc4 Bg7 5. 0-0 Nc6 6. h3 d6 7. Re1 e6 8. d4 Nxd4 9. Nxd4 cxd4 10. Nb5 Qb6 11. c3 Ne7 12. Bg5 a6 13. Nxd4 Qc7 14. Bb3 h6 15. Be3 0-0 16. Qd2 Kh7 17. c4 g5 18. Qe2 Ng6 19. g3 Bxd4 20. Bxd4 e5 21. Be3 f5 22. exf5 Bxf5 23. Qh5 Kg7 24. Rad1 Qc6 25. c5 dxc5 26. Bd5 Qc7 27. Rc1 Qd7 28. Red1 Ne7 29. Bb3 Qc8 30. Bxc5 1-0

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.22"]
[Round "16"]
[White "Piskov, Kamen Penev"]
[Black "Milev, Zdravko"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "92"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Qc7 12. Nf1 Re8 13. Ng3 g6 14. Bg5 Kg7 15. Qd2 Ng8 16. Bxe7 Qxe7 17. Nf1 f6 18. Ne3 Be6 19. d4 Rec8 20. b3 cxd4 21. cxd4 Qc7 22. Red1 Qc3 23. dxe5 dxe5 24. Qxc3 Rxc3 25. Rd6 Kf7 26. Rad1 Ne7 27. Ne1 Nac6 28. Nd5 Bxd5 29. exd5 Nd4 30. Bd3 Ra7 31. Kf1 Rc5 32. Be4 Rc8 33. g4 Ng8 34. Nd3 Ke7 35. Rb6 Nh6 36. g5 Ng8 37. Bg2 Kd7 38. gxf6 Kc7 39. Rc1+ Kxb6 40. Rxc8 Nxf6 41. Nxe5 Rc7 42. Rxc7 Kxc7 43. Nd3 Kd6 44. Nb4 a5 45. Nc6 Nxc6 46. dxc6 Ng8 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.20"]
[Round "15"]
[White "Minev, Nikolay Nikolaev"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "121"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[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. Bg5 c5 5. e3 d6 6. Nf3 Qa5 7. Qd2 h6 8. Bh4 g5 9. Bg3 Nh5 10. Be2 g4 11. Nh4 cxd4 12. exd4 Nc6 13. d5 Nd4 14. Bd3 Nb3 15. axb3 Qxa1+ 16. Nd1 Nxg3 17. fxg3 Bd7 18. 0-0 0-0-0 19. Nf5 Bxf5 20. Bxf5+ Kb8 21. Bxg4 h5 22. Be2 Bf6 23. b4 Qa4 24. b5 Rc8 25. Rf3 Rxc4 26. Bxc4 Qxc4 27. Qd3 Qxd3 28. Rxd3 Rc8 29. b6 axb6 30. Nc3 b5 31. Kf1 b4 32. Nd1 Rc2 33. b3 Kc7 34. Ne3 Ra2 35. g4 h4 36. Nf5 Rb2 37. Nh6 Bc3 38. Nxf7 Rxb3 39. Ng5 Rb1+ 40. Ke2 Be5 41. Ne6+ Kb6 42. Rd1 Rxd1 43. Kxd1 Kb5 44. g5 Kc4 45. g6 Kxd5 46. g7 Bxg7 47. Nxg7 Ke4 48. Ne6 Ke3 49. Ng7 Ke4 50. Ne6 d5 51. Kd2 b6 52. Ng5+ Kf4 53. Nf3 h3 54. Ne1 hxg2 55. Nxg2+ Ke4 56. h4 d4 57. h5 Kf5 58. h6 Kg6 59. h7 Kg7 60. Nf4 e5 61. Ng6 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.19"]
[Round "14"]
[White "Piskov, Kamen Penev"]
[Black "Pipkov, Lubomir"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "26"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nd4 5. Nxd4 exd4 6. 0-0 c6 7. Bc4 Qf6 8. e5 Qg6 9. Re1 Bc5 10. Nd2 Nh6 11. Nf3 Nf7 12. h3 h6 13. Nh4 Qh7 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.18"]
[Round "13"]
[White "Prahov, Valentin Asenov"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "79"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Qa5 3. Nc3 g6 4. Be2 Bg7 5. 0-0 Nc6 6. Nd5 d6 7. c3 e6 8. Ne3 Nf6 9. Qc2 Nh5 10. g3 0-0 11. Ne1 Nf6 12. f4 d5 13. d3 d4 14. Nc4 Qd8 15. a4 e5 16. f5 Ne8 17. Nf3 gxf5 18. exf5 Bxf5 19. Nfxe5 Nxe5 20. Rxf5 Ng6 21. Bg5 Qc7 22. Raf1 b6 23. Bf3 Rc8 24. Bd5 Nd6 25. Nxd6 Qxd6 26. Bxf7+ Kh8 27. c4 Qd7 28. Bxg6 hxg6 29. Rxf8+ Rxf8 30. Rxf8+ Bxf8 31. Qd1 Qf5 32. Qf1 Qxg5 33. Qxf8+ Kh7 34. Qf7+ Kh8 35. Qf4 Qh5 36. Qh4 Qxh4 37. gxh4 Kg7 38. Kg2 Kf6 39. Kf3 Kf5 40. b3 1-0

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.15"]
[Round "12"]
[White "Piskov, Kamen Penev"]
[Black "Chipev, Teodor Antonov"]
[Result "0-1"]
[ECO "E31"]
[PlyCount "110"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. f3 b5 8. e4 0-0 9. Qc2 Nbd7 10. dxe6 fxe6 11. 0-0-0 bxc4 12. Rxd6 Qa5 13. Bxc4 Ne5 14. Nb1 Qc7 15. Rxe6 Nxc4 16. Rxf6 Rxf6 17. Qxc4+ Be6 18. Bg3 Bxc4 19. Bxc7 Bf1 20. h4 Rc8 21. Be5 Re6 22. Bc3 Bxc3 23. Nxc3 Bxg2 24. Rh2 Bf1 25. Rf2 Bc4 26. b3 Ba6 27. Nh3 Rf8 28. Kd2 Rd6+ 29. Kc2 Rd3 30. Ng1 Rf7 31. Rh2 c4 32. b4 Rd6 33. Nd5 Rf8 34. Ne7+ Kh7 35. h5 Rd3 36. Rg2 Rf7 37. Nd5 Bb7 38. Nc3 Re7 39. Rh2 Bc6 40. Rh3 Be8 41. Nge2 Rf7 42. Ng1 Rb7 43. Nge2 Rxb4 44. Nf4 Rd8 45. Nfd5 Rb7 46. f4 Bf7 47. f5 Rdb8 48. Ne3 Rb2+ 49. Kc1 Rf2 50. e5 Rf4 51. e6 Be8 52. Rh2 Rf3 53. Ncd5 Bc6 54. Ne7 Be4 55. Nxc4 Rc3+ 0-1

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.14"]
[Round "11"]
[White "Piskov, Kamen Penev"]
[Black "Andreev, Alexi"]
[Result "1/2-1/2"]
[ECO "D86"]
[PlyCount "83"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 cxd4 9. cxd4 Nc6 10. Be3 b5 11. Bd5 Bd7 12. Bxc6 Bxc6 13. d5 Bd7 14. 0-0 0-0 15. Bd4 Qa5 16. Bxg7 Kxg7 17. a3 Rfc8 18. Qd4+ Kg8 19. Qe5 Qd8 20. Rfd1 Rc5 21. h4 f6 22. Qg3 Qf8 23. h5 Qg7 24. hxg6 Qxg6 25. Qe3 Rac8 26. Rd3 Rc4 27. Ng3 a6 28. Qa7 Rc1+ 29. Rd1 R1c7 30. Qxa6 h5 31. Rd3 Kh7 32. Nf1 Rg8 33. Rg3 Qxe4 34. Rxg8 Kxg8 35. Qa8+ Kf7 36. Rd1 Bg4 37. f3 Bxf3 38. gxf3 Qxf3 39. Rd2 Rc1 40. Rf2 Qg3+ 41. Rg2 Qe3+ 42. Rf2 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.13"]
[Round "10"]
[White "Dimitrov Krastev, Krastjo"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "E98"]
[PlyCount "108"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. exf5 gxf5 12. f3 Ng6 13. Be3 Nf6 14. Qd2 b6 15. Rae1 Bd7 16. Bd1 Rf7 17. Bc2 Qf8 18. Kh1 Re8 19. b4 Nh5 20. Ne2 f4 21. Bg1 e4 22. fxe4 f3 23. Ng3 Nh4 24. gxf3 Nxg3+ 25. hxg3 Nxf3 26. Qg2 Nxe1 27. Rxe1 Bc3 28. Rb1 Bg4 29. Nf4 Qh6+ 30. Bh2 Be5 31. Rf1 Ref8 32. Qd2 Qg7 33. a3 Rf6 34. c5 Qg5 35. Bb3 Qg7 36. Rf2 Kh8 37. cxd6 cxd6 38. Ba4 Qe7 39. Qe3 Qf7 40. Re2 Qg7 41. Re1 Qh6 42. Rf1 Qg5 43. Qd2 h5 44. Rf2 Qh6 45. Ne6 Qxd2 46. Rxd2 Rg8 47. Nd4 h4 48. Bg1 hxg3 49. Be3 Bf3+ 50. Kg1 Bxe4 51. Nc6 Rf3 52. Bd4 Bxd4+ 53. Rxd4 g2 54. Bb5 Rh3 0-1

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.11"]
[Round "9"]
[White "Piskov, Kamen Penev"]
[Black "Popov, Luben"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "82"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 Bg4 9. 0-0 0-0 10. Re1 Bxf3 11. Bxf3 a6 12. a4 Nbd7 13. Ra3 Re8 14. Qc2 Qc7 15. Be2 c4 16. Bf1 b6 17. Bd2 Qc5 18. Na2 b5 19. Bb4 Qc7 20. Bc3 Nc5 21. axb5 axb5 22. Rxa8 Rxa8 23. Nb4 Re8 24. f3 Na4 25. Ra1 Qb7 26. Nc6 Nxc3 27. bxc3 Nd7 28. Ra3 Nc5 29. g3 Nb3 30. Rxb3 Qb6+ 31. Kg2 cxb3 32. Qxb3 Qe3 33. Qxb5 Bxc3 34. Qe2 Qc1 35. Qa6 h5 36. Bd3 h4 37. Kh3 hxg3 38. Bf1 gxh2 39. Kxh2 Kg7 40. Kg2 Qf4 41. Qc4 Bf6 0-1

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.10"]
[Round "8"]
[White "Bobotsov, Milko Georgiev"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "49"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Nge2 c5 7. Be3 Nbd7 8. Qd2 Re8 9. 0-0-0 Nb6 10. b3 cxd4 11. Nxd4 Bd7 12. Kb1 a6 13. Rc1 Nc8 14. Be2 Na7 15. Rhd1 Qb8 16. Nd5 b5 17. Qa5 e5 18. Nc2 Nxd5 19. cxd5 Bf6 20. Nb4 Bd8 21. Qxa6 Bc7 22. Qa3 Qb7 23. Rc2 Bb6 24. Bxb6 Qxb6 25. Qa6 1-0

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.09"]
[Round "7"]
[White "Piskov, Kamen Penev"]
[Black "Daskalov, Georgi Ilchev"]
[Result "0-1"]
[ECO "E87"]
[PlyCount "83"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[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. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. 0-0-0 Nd7 10. Bd3 Ndf6 11. Nge2 a6 12. Bg5 b5 13. cxb5 axb5 14. Bxb5 Bd7 15. Bd3 Qb8 16. h3 Qb4 17. g4 fxe4 18. Nxe4 Qxd2+ 19. Rxd2 Nf4 20. Bxf6 Nxd3+ 21. Rxd3 Bxf6 22. Nxf6+ Rxf6 23. Nc3 Raf8 24. Rf1 h5 25. gxh5 gxh5 26. Ne4 Rg6 27. Rc3 Bxh3 28. Rh1 Bg2 29. Rxh5 Bxf3 30. Rh4 Rg2 31. Rc2 Rg1+ 32. Kd2 Rd1+ 33. Ke3 Rd4 34. Nf6+ Rxf6 35. Rxd4 exd4+ 36. Kxd4 Rf4+ 37. Ke3 Rf7 38. Kd4 Kf8 39. b4 Ke8 40. Rc1 Kd7 41. b5 Rf5 42. b6 0-1

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.07"]
[Round "6"]
[White "Radev Iordanov, Nikolay"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "113"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[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. Ng3 g6 9. 0-0 Ng7 10. a3 f5 11. f4 exf4 12. Bxf4 g5 13. Bd2 f4 14. Nf5 Nd7 15. Nh6+ Kh8 16. h4 Ne5 17. Qe2 Bd7 18. Nd1 Bf6 19. Bc3 Qe7 20. Nf2 gxh4 21. Nfg4 Nxg4 22. Nxg4 Bxc3 23. bxc3 Nh5 24. Rf2 Ng3 25. Qf3 Qg7 26. Nh2 Qxc3 27. Rb1 b6 28. Nf1 Qg7 29. Nh2 Ba4 30. Qg4 Qd4 31. Qf3 Rae8 32. Re1 a6 33. Nf1 b5 34. Nd2 Re5 35. Rb1 b4 36. axb4 cxb4 37. Rxb4 Bd1 38. Qxd1 Qxd3 39. Qg4 Re7 40. e5 dxe5 41. Qg5 Nf5 42. Qg4 Rg8 43. Qf3 Qxf3 44. Nxf3 Rc8 45. Re2 a5 46. Ra4 e4 47. Ng5 Ng3 48. Re1 Kg7 49. Rxa5 Rxc4 50. d6 Rd7 51. Rd5 Kf6 52. Red1 h6 53. Nh7+ Ke6 54. Nf8+ Kf7 55. Nxd7 Rc2 56. Ne5+ Ke6 57. R5d2 1-0

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.06"]
[Round "5"]
[White "Piskov, Kamen Penev"]
[Black "Neikirkh, Oleg"]
[Result "1/2-1/2"]
[ECO "A53"]
[PlyCount "44"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. d5 Be7 5. e4 0-0 6. Be2 Ne8 7. Bg4 Nd7 8. Nf3 g6 9. Bh6 Ng7 10. h4 f5 11. Bh3 Nf6 12. Ng5 c6 13. Qd2 Qa5 14. 0-0-0 cxd5 15. cxd5 b5 16. Kb1 b4 17. Ne2 Nfh5 18. Rc1 Bd7 19. g3 Rac8 20. Rxc8 Rxc8 21. Rc1 Rxc1+ 22. Nxc1 Qb6 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.05"]
[Round "4"]
[White "Kostov Petkov, Petko"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "119"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[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. Qxe5+ Qe7 6. Qxe7+ Bxe7 7. Bb3 0-0 8. Nf3 Ne8 9. 0-0 c6 10. Re1 Bd8 11. d4 d5 12. Bf4 Bc7 13. Ne2 Bxf4 14. Nxf4 Nd6 15. Nd2 a5 16. a4 Na6 17. c4 dxc4 18. Nxc4 Nxc4 19. Bxc4 Nb4 20. Re7 Rb8 21. Rc7 b6 22. Re1 b5 23. axb5 cxb5 24. Bf1 g5 25. Nh5 Be6 26. Nf6+ Kh8 27. Rxe6 Nd5 28. Nxd5 fxe6 29. Nc3 b4 30. Ne4 h6 31. Nc5 Rfc8 32. Re7 Rb6 33. h4 Rd6 34. Ne4 Rdc6 35. hxg5 hxg5 36. Ra7 Rc1 37. f3 Kg8 38. Nf6+ Kf8 39. Nh7+ Ke8 40. Nf6+ Kf8 41. Nd7+ Kg8 42. Nc5 g4 43. Rxa5 Rd1 44. Nd3 gxf3 45. gxf3 Rc4 46. d5 exd5 47. Rxd5 Rb1 48. Kf2 Kg7 49. Be2 Kf6 50. Ke3 Rc2 51. Rd4 b3 52. Rb4 Rh1 53. Rxb3 Rh2 54. Rb6+ Kg7 55. Nf4 Rc8 56. Bd3 Re8+ 57. Be4 Rh1 58. Rb7+ Kh8 59. Kf2 Rd1 60. Bd5 1-0

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.03"]
[Round "3"]
[White "Piskov, Kamen Penev"]
[Black "Kolarov, Atanas Stefanov"]
[Result "1/2-1/2"]
[ECO "E42"]
[PlyCount "89"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 b6 6. a3 cxd4 7. exd4 Be7 8. d5 d6 9. g3 e5 10. Bg2 Bg4 11. h3 Bf5 12. g4 Bg6 13. Ng3 Nbd7 14. g5 Ng8 15. h4 h6 16. h5 Bh7 17. g6 fxg6 18. hxg6 Bxg6 19. Qg4 Nf8 20. f4 Nf6 21. Qe2 N8d7 22. Bh3 0-0 23. Be6+ Kh8 24. f5 Bh7 25. Be3 Nc5 26. Bxc5 bxc5 27. 0-0-0 Rb8 28. Rdg1 Qb6 29. Rh2 Rb7 30. Kb1 Bd8 31. Rhg2 a6 32. Qc2 Qa5 33. Ka2 Qb6 34. Na4 Qa7 35. Bc8 Rb8 36. Be6 Rb7 37. Qd2 Qb8 38. Qc3 Re8 39. Rb1 Bb6 40. Qd2 Qc7 41. Qe2 Ba5 42. Rbg1 Qd8 43. Nf1 Ree7 44. Ng3 Rb8 45. Qd1 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.02"]
[Round "2"]
[White "Chaprazov, Ivan Vasilev"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "54"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. d3 g6 7. Nbd2 Bg7 8. h3 Bd7 9. Nf1 Rc8 10. Ne3 b5 11. d4 cxd4 12. Nxd4 Qb6 13. Nf3 0-0 14. 0-0 Qb7 15. Re1 Rfe8 16. Nd5 Na5 17. Nxf6+ Bxf6 18. e5 dxe5 19. Nxe5 Bxe5 20. Rxe5 Bc6 21. Qg4 Nc4 22. Re2 e5 23. f3 f6 24. h4 Qg7 25. a4 Bd7 26. Qe4 Bc6 27. Qg4 Bd7 1/2-1/2

[Event "BUL-ch14"]
[Site "Sofia"]
[Date "1960.02.01"]
[Round "1"]
[White "Piskov, Kamen Penev"]
[Black "Dimitrov Iliev, Ilia"]
[Result "1/2-1/2"]
[ECO "C87"]
[PlyCount "41"]
[EventDate "1960.02.01"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 Nf6 7. Re1 Be7 8. d4 0-0 9. Nbd2 exd4 10. cxd4 Bg4 11. Nf1 Nd7 12. Ne3 Bxf3 13. gxf3 Bf6 14. Nf5 b5 15. Bb3 Ne7 16. Nxe7+ Qxe7 17. Bf4 Bg5 18. Bxg5 Qxg5+ 19. Kh1 Rad8 20. Rg1 Qf6 21. Rg3 1/2-1/2

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.22"]
[Round "17"]
[White "Prahov, Valentin Asenov"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "31"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Qa5 11. Kb1 e5 12. Be3 Be6 13. Nd5 Qxd2 14. Nxf6+ Bxf6 15. Rxd2 Rfd8 16. Be2 1/2-1/2

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.20"]
[Round "16"]
[White "Piskov, Kamen Penev"]
[Black "Ajanski, Jordan S"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "86"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. c3 Nf6 4. Qc2 Qc7 5. a4 g6 6. Na3 Bg4 7. Be2 Bg7 8. h3 Bxf3 9. Bxf3 0-0 10. 0-0 Nc6 11. d3 Nd7 12. Be3 e5 13. Qd2 f5 14. Bh6 f4 15. Bxg7 Kxg7 16. Rac1 Qd8 17. Rfd1 Nf6 18. Nc2 Qe8 19. Qe2 h5 20. d4 g5 21. dxc5 dxc5 22. g4 hxg4 23. Bxg4 Ne7 24. b3 Rh8 25. Rd6 Rh4 26. Rxf6 Kxf6 27. Ne1 Rd8 28. Rd1 Rh8 29. Nf3 Rxd1+ 30. Qxd1 Qd8 31. Qf1 Qb6 32. Qc4 Qc6 33. Kg2 Nc8 34. Nh2 Ne7 35. Bf3 Ng6 36. Bg4 Nh4+ 37. Kg1 Qd6 38. Nf1 b6 39. Qe2 Rd8 40. Qa6 Qe7 41. a5 Qc7 42. Nh2 Rd6 43. axb6 axb6 1/2-1/2

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.19"]
[Round "15"]
[White "Filchev, Rusko"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "58"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. d4 Bb4 4. Qc2 c5 5. e3 Nc6 6. Nf3 d5 7. a3 Bxc3+ 8. bxc3 0-0 9. Be2 b6 10. cxd5 exd5 11. 0-0 Bg4 12. Bb5 Rc8 13. Ne5 Nxe5 14. dxe5 Nd7 15. f3 Be6 16. f4 g6 17. Rd1 Qc7 18. e4 dxe4 19. Qxe4 c4 20. Bxd7 Bxd7 21. Be3 Bf5 22. Qf3 Rcd8 23. Bd4 Bc8 24. Qf2 Qc6 25. a4 Rd5 26. Rdb1 Rfd8 27. Re1 Re8 28. Reb1 Ra5 29. Rb5 Qxb5 0-1

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.17"]
[Round "14"]
[White "Piskov, Kamen Penev"]
[Black "Bobekov, Radko"]
[Result "1/2-1/2"]
[ECO "B20"]
[PlyCount "131"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nf6 3. Nbc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nc3 Qd8 7. Bc4 e6 8. d3 a6 9. a4 Nc6 10. 0-0 Be7 11. Ne4 0-0 12. Qh5 b6 13. Bd2 Bb7 14. Rae1 Nd4 15. Re3 g6 16. Qd1 b5 17. Ba2 Qd7 18. Rh3 c4 19. Re1 Qd5 20. Bb4 Qd8 21. Bxe7 Qxe7 22. dxc4 Nf5 23. c3 Rfd8 24. Rd3 Rxd3 25. Qxd3 Rd8 26. Qc2 Qh4 27. h3 bxa4 28. c5 Bc6 29. Bc4 a5 30. Bf1 Qe7 31. Qe2 Qb7 32. Nf6+ Kg7 33. Qe5 Qb8 34. Nd7+ Qxe5 35. Nxe5 Be8 36. Nc4 Rd5 37. Re5 Rd1 38. Nxa5 Ne7 39. g3 Nc6 40. Nxc6 Bxc6 41. c4 Rb1 42. Re2 Bf3 43. Re3 Bb7 44. Ra3 Bc6 45. Rd3 Be4 46. Rd6 Rxb2 47. Ra6 Rb1 48. c6 Rb8 49. Bg2 Bxg2 50. c7 Rc8 51. Kxg2 Rxc7 52. Rxa4 e5 53. Kf3 f5 54. Ke3 Kf6 55. Kd3 Ke6 56. Ra6+ Kd7 57. Kc3 Rb7 58. c5 Rb1 59. Kc4 Rd1 60. h4 Rd2 61. f3 Rd4+ 62. Kc3 Rd5 63. Kc4 Rd4+ 64. Kc3 Rd5 65. Kb4 Rd3 66. Kc4 1/2-1/2

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.16"]
[Round "13"]
[White "Daskalov, Georgi Ilchev"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "B91"]
[PlyCount "60"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 a6 9. h3 Qc7 10. Be3 Nc6 11. Qd2 Rd8 12. Rad1 Bd7 13. Nde2 Ne5 14. b3 Bxh3 15. f3 Bxg2 16. Kxg2 b5 17. g4 e6 18. Rh1 d5 19. exd5 Nxd5 20. Nxd5 Rxd5 21. Qc1 Rxd1 22. Rxd1 Qb7 23. Ng1 Nxg4 24. Bg5 h6 25. Bf4 e5 26. Bg3 h5 27. Kh3 Bh6 28. Qb2 Re8 29. c3 Qc8 30. Re1 Nf2+ 0-1

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.14"]
[Round "12"]
[White "Piskov, Kamen Penev"]
[Black "Tringov, Georgi Petrov"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "141"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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 b5 7. Bb3 0-0 8. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Qe2 Nd7 13. Nf1 Bf6 14. Be3 g6 15. Rad1 Bg7 16. d4 Qe7 17. dxc5 dxc5 18. Qd2 Na5 19. b3 Nb7 20. Bh6 Nb6 21. Bxg7 Kxg7 22. Ne3 f6 23. h3 Be6 24. Qe2 c4 25. Nd2 cxb3 26. Bxb3 Rac8 27. c4 b4 28. Nd5 Bxd5 29. cxd5 Nc5 30. Nc4 Nxc4 31. Qxc4 Qb7 32. Qe2 Rfd8 33. Rc1 a5 34. Bc4 Rb8 35. Bb3 Qb6 36. Qd1 Qd6 37. Ba4 f5 38. f3 fxe4 39. fxe4 Rbc8 40. Bc6 Ne6 41. Qa4 Nf4 42. Qb5 Rf8 43. Rc2 Qd8 44. Rf1 Qg5 45. Rf3 Rf7 46. Kh2 Rcf8 47. Rcf2 Nh5 48. Rxf7+ Rxf7 49. Rxf7+ Kxf7 50. Qxa5 Qf4+ 51. Kg1 Ng3 52. Qa7+ Kf6 53. d6 Qc1+ 54. Kh2 Nf1+ 55. Kg1 Qe3+ 56. Qxe3 Nxe3 57. Bd5 Nc2 58. Kf2 Na3 59. Ke3 Nb5 60. Kd3 Nxd6 61. Kc2 Kg5 62. Kb3 Kf4 63. Kxb4 Nxe4 64. a4 Nf6 65. Bc6 e4 66. a5 e3 67. Bf3 Nd5+ 68. Kc5 Nc7 69. Kc6 Na6 70. Be2 Nb4+ 71. Kc5 1-0

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.13"]
[Round "11"]
[White "Ivanov, Pavlin Nikolay"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "57"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. b3 Nh5 8. Bb2 Nc6 9. Qd2 e5 10. dxe5 dxe5 11. Qxd8 Rxd8 12. Ng5 Nd4 13. Nc3 h6 14. Nge4 Bf8 15. e3 Nc2 16. Rad1 Bg4 17. Rxd8 Rxd8 18. Nd5 Bg7 19. a3 b6 20. Rc1 Nd4 21. exd4 cxd4 22. f3 Be6 23. g4 Bxd5 24. gxh5 Bxe4 25. fxe4 d3 26. Rd1 Bf8 27. b4 d2 28. Bf1 f5 29. Bc3 1-0

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.12"]
[Round "10"]
[White "Piskov, Kamen Penev"]
[Black "Bobotsov, Milko Georgiev"]
[Result "0-1"]
[ECO "E50"]
[PlyCount "140"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d6 6. Nf3 Nc6 7. Bd2 e5 8. d5 Ne7 9. a3 Bxc3 10. Bxc3 Bf5 11. Bxf5 Nxf5 12. Qc2 Nh6 13. h3 Nd7 14. g4 f5 15. g5 Nf7 16. h4 Nc5 17. 0-0-0 Qd7 18. Rdg1 Nd8 19. h5 Qa4 20. Qxa4 Nxa4 21. Be1 c6 22. Bb4 c5 23. Ba5 b6 24. b3 bxa5 25. bxa4 Rb8 26. Kc2 e4 27. Nd2 Nf7 28. Nb3 Rb6 29. Nxa5 Ne5 30. Rb1 Rfb8 31. Rb5 a6 32. Rxb6 Rxb6 33. Rb1 Rxb1 34. Kxb1 Kf8 35. Kc2 Ke8 36. Kd1 Kd7 37. Kc2 Ng4 38. Nc6 Nxf2 39. a5 g6 40. hxg6 hxg6 41. Nb8+ Kc7 42. Nc6 Nh3 43. Ne7 f4 44. exf4 Nxf4 45. Kd2 Kd8 46. Ke3 Ng2+ 47. Kf2 Nh4 48. Nc6+ Kd7 49. Ke3 Nf3 50. Kxe4 Nxg5+ 51. Kf4 Nf7 52. Nb8+ Kc8 53. Nc6 Kc7 54. Ke4 Nh6 55. Kf4 Nf5 56. Ke4 Ng3+ 57. Kf3 Nf1 58. Ke2 Nh2 59. Ne7 g5 60. Nc6 Ng4 61. Kf3 Nf6 62. Ke3 g4 63. Ne7 g3 64. Nf5 Ng4+ 65. Kf3 Ne5+ 66. Kxg3 Nxc4 67. Kf3 Nxa5 68. Ne3 Kb6 69. a4 c4 70. Ke4 Kc5 0-1

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.09"]
[Round "9"]
[White "Kviatkovsky, Sergey"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B55"]
[PlyCount "131"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+ Nbd7 7. Nf5 d5 8. exd5 a6 9. Ba4 b5 10. Bb3 Nb6 11. Ne3 Bb7 12. Nc3 Bc5 13. Nf5 g6 14. Ng3 Nbxd5 15. Nce4 Qb6 16. Nxc5 Qxc5 17. Qe2 0-0 18. Qf2 Nd7 19. Ne4 Qxf2+ 20. Kxf2 Kg7 21. Rd1 N7b6 22. c3 h6 23. Nc5 Bc6 24. Nd3 Rfe8 25. Re1 f6 26. Nc5 a5 27. a4 bxa4 28. Nxa4 Nxa4 29. Bxa4 Bxa4 30. Rxa4 Nb6 31. Ra2 a4 32. Re4 Ra6 33. Rb4 Rea8 34. Be3 Nd5 35. Rb7+ Kg8 36. Bxh6 g5 37. g3 R6a7 38. Rxa7 Rxa7 39. h4 Kh7 40. hxg5 Kg6 41. Bf8 Ra8 42. Bc5 Kxg5 43. Ke2 Kf5 44. Kd3 Rb8 45. Kc4 Nb6+ 46. Bxb6 Rxb6 47. Kd3 Ke6 48. Kc2 Ra6 49. c4 f5 50. Kc3 Ra8 51. g4 fxg4 52. fxg4 Rg8 53. Rxa4 Rxg4 54. Ra6+ Kd7 55. c5 Rd4 56. b4 Rd1 57. b5 e4 58. Ra2 e3 59. Re2 Rb1 60. Kc4 Rc1+ 61. Kb4 Rb1+ 62. Ka5 Rb3 63. Kb6 Rc3 64. Re1 Rb3 65. c6+ Kc8 66. Ra1 1-0

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.08"]
[Round "8"]
[White "Piskov, Kamen Penev"]
[Black "Filipov, Filip"]
[Result "1/2-1/2"]
[ECO "E73"]
[PlyCount "82"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 e5 6. d5 Nbd7 7. Be3 Nc5 8. f3 Nh5 9. Qd2 0-0 10. 0-0-0 a5 11. g4 Nf4 12. h4 a4 13. Nh3 a3 14. b3 Bd7 15. Nxf4 exf4 16. Bd4 Be5 17. Bxe5 dxe5 18. h5 g5 19. Kb1 Qf6 20. Rc1 Qb6 21. Ka1 Na6 22. Rhd1 Rfd8 23. Nb1 Qc5 24. Qe1 Nb4 25. Qg1 b6 26. Qxc5 bxc5 27. Rd2 Be8 28. Rcd1 Kf8 29. Nc3 Ke7 30. Bf1 f6 31. Kb1 Ra6 32. Ne2 Rb8 33. Nc1 Kd6 34. Be2 Bd7 35. Bd3 Ba4 36. Bc2 Be8 37. Ne2 Ra5 38. Nc3 Rb6 39. Bd3 Rb8 40. Be2 h6 41. Nb5+ Kd7 1/2-1/2

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.07"]
[Round "7"]
[White "Khadshipetrov, Alexander Mateev"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "65"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Rc8 12. g4 h5 13. gxh5 Nxh5 14. Bxg7 Nxg7 15. f4 Rc5 16. Be2 Qa5 17. f5 gxf5 18. Rhg1 f4 19. Qxf4 f6 20. Nd5 Rf7 21. Bh5 Bxd5 22. exd5 Rxd5 23. Bxf7+ Kxf7 24. Qc4 e6 25. Rxd5 exd5 26. Qg4 Ne6 27. Qg8+ Ke7 28. Qh7+ Ke8 29. Rg8+ Nf8 30. Qg6+ Kd7 31. Qf7+ Kc6 32. Qe8+ Kc5 33. Rxf8 1-0

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.05"]
[Round "6"]
[White "Piskov, Kamen Penev"]
[Black "Minev, Nikolay Nikolaev"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "54"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Bd2 Ng4 6. Qg3 d5 7. h3 Nf6 8. exd5 Nxd5 9. Nc3 Ncb4 10. Nxd5 Qxd5 11. Bxb4 Bxb4+ 12. c3 Bd6 13. Qxg7 Be5 14. Qh6 Be6 15. Qe3 0-0-0 16. Nf3 Bd6 17. Be2 Rhe8 18. Qxa7 Bf5 19. Qa8+ Kd7 20. Qa4+ b5 21. Qd1 Bd3 22. Nd4 Bxe2 23. Nxe2 Qxg2 24. Rf1 Qf3 25. Kd2 Qe4 26. f3 Qe3+ 27. Ke1 Kc8 0-1

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.03"]
[Round "4"]
[White "Kolarov, Atanas Stefanov"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "66"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c5 7. dxc5 dxc5 8. Ne5 Qc7 9. Nd3 Bd7 10. Nc3 Rd8 11. Bf4 Qc8 12. Nd5 Nxd5 13. cxd5 Bb5 14. Qb3 Ba6 15. Rac1 Nd7 16. Rfe1 b5 17. Nb4 Bb7 18. Nc6 Re8 19. Bh3 Kf8 20. Nb8 f5 21. Nc6 e5 22. dxe6 Qxc6 23. e4 Qxe6 24. Qxb5 Qc6 25. Qb3 Rxe4 26. Rxe4 Qxe4 27. Bd6+ Ke8 28. Qg8+ Nf8 29. Kf1 Rd8 30. Re1 Ba6+ 31. Re2 Qxe2+ 32. Kg2 Bb7+ 33. Kg1 Qd1+ 0-1

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.12.01"]
[Round "3"]
[White "Piskov, Kamen Penev"]
[Black "Padevsky, Nikola Bochev"]
[Result "0-1"]
[ECO "D84"]
[PlyCount "76"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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. Bf4 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 bxa6 10. Nf3 Qb7 11. Bg3 Qxb2 12. 0-0 Be6 13. Qa4 Rfc8 14. Rfb1 Qe2 15. Qb4 Bf8 16. Rb2 Rc2 17. Rxc2 Qxc2 18. Qb7 Qc8 19. Qb2 Qc4 20. h3 Rc8 21. Kh2 Bd5 22. Ne5 Qc2 23. Qxc2 Rxc2 24. a3 Bh6 25. Ng4 Bg7 26. Bb8 h5 27. Ne5 Rxf2 28. Rg1 Bh6 29. Nd3 Rd2 30. Nf4 Be4 31. Bxa7 h4 32. Bc5 g5 33. Bb4 Ra2 34. Nh5 Bg6 35. Rc1 Bxh5 36. Rc8+ Kh7 37. Bxe7 Bf3 38. Kg1 Bxg2 0-1

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.11.30"]
[Round "2"]
[White "Tsvetkov, Alexandar K"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "D14"]
[PlyCount "24"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Rfc1 Rfc8 1/2-1/2

[Event "BUL-ch10"]
[Site "Sofia"]
[Date "1955.11.29"]
[Round "1"]
[White "Piskov, Kamen Penev"]
[Black "Gasharov, Nikola"]
[Result "1-0"]
[ECO "D60"]
[PlyCount "129"]
[EventDate "1955.11.29"]
[EventType "tourn"]
[EventRounds "17"]
[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 c6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne2 N5f6 12. Ng3 c5 13. e4 Nb6 14. Rc1 Rd8 15. e5 Ne8 16. Bd3 cxd4 17. Bb1 d3 18. Bxd3 Bd7 19. Qe2 Bc6 20. Ne1 Nd5 21. Qh5 g6 22. Qh6 Qf8 23. Qxf8+ Kxf8 24. Be4 Nb4 25. a3 Bxe4 26. Nxe4 Nc6 27. f4 Ke7 28. Nf3 Nd4 29. Nxd4 Rxd4 30. Rfe1 Rad8 31. Kf2 b6 32. Rc3 Rd3 33. Re3 Rxc3 34. Rxc3 Rd5 35. g4 Rb5 36. b3 Rd5 37. a4 Rd1 38. Rh3 Rb1 39. Nd2 Rb2 40. Ke1 Ra2 41. Rxh7 a6 42. Ne4 Kd7 43. Rxf7+ Kc6 44. Nd2 b5 45. axb5+ axb5 46. h4 Nc7 47. Nf3 Nd5 48. Nd4+ Kc5 49. Nxe6+ Kb4 50. Rd7 Ne3 51. h5 Ng2+ 52. Kd1 Ne3+ 53. Kc1 gxh5 54. gxh5 Rc2+ 55. Kb1 Rh2 56. Rd3 Rh1+ 57. Kb2 Rh2+ 58. Kc1 Nf5 59. Nd4 Nxd4 60. Rxd4+ Kc3 61. Rd6 Rxh5 62. e6 Rh1+ 63. Rd1 Rh8 64. f5 Kxb3 65. e7 1-0

[Event "Match/Nation DDR-BUL "]
[Site "Halle/Saale"]
[Date "1954.02.28"]
[Round "2.10"]
[White "Piskov, Kamen Penev"]
[Black "Malich, Burkhard"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "89"]
[EventDate "1954.02.26"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "DDR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c5 6. dxc5 dxc5 7. Qxd8+ Kxd8 8. Be3 b6 9. 0-0-0+ Bd7 10. e5 Ne8 11. f4 Nc7 12. g3 Kc8 13. Bg2 Bc6 14. Nf3 f6 15. Nd5 Re8 16. Rd2 Nd7 17. Re1 Kb7 18. Nxc7 Kxc7 19. e6 Nf8 20. f5 Rad8 21. g4 Rxd2 22. Bxd2 Rd8 23. Bf4+ Kb7 24. Rd1 Rxd1+ 25. Kxd1 h5 26. h3 hxg4 27. hxg4 gxf5 28. gxf5 Nh7 29. Nh4 Bxg2 30. Nxg2 Kc8 31. Ke2 Ng5 32. b3 Ne4 33. Kf3 Nc3 34. Kg4 Kd8 35. Kh5 Ke8 36. Kg6 Bf8 37. a3 b5 38. Ne3 a6 39. Nd5 Ne2 40. Be3 Nd4 41. Bxd4 cxd4 42. cxb5 axb5 43. Nc7+ Kd8 44. Nxb5 d3 45. a4 1-0

[Event "Match/Nation DDR-BUL "]
[Site "Halle/Saale"]
[Date "1954.02.26"]
[Round "1.10"]
[White "Keller Hermann, Edith"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "70"]
[EventDate "1954.02.26"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "DDR"]
[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 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 0-0 7. Nf3 Na6 8. 0-0 Nc7 9. h3 a6 10. a4 b6 11. Bg5 h6 12. Be3 Rb8 13. Qd2 Kh7 14. Qc2 Bd7 15. Rab1 b5 16. axb5 axb5 17. b4 cxb4 18. Rxb4 Na6 19. Rbb1 b4 20. Nb5 Qc8 21. Nfd4 Qb7 22. Rfc1 Rfc8 23. f3 Ne8 24. Qd2 Nec7 25. Nxc7 Qxc7 26. Bd1 Nc5 27. Be2 Qb7 28. Nb5 Bxb5 29. cxb5 Bc3 30. Qd1 Qa8 31. Bd2 Na4 32. Qe1 Qa7+ 33. Kh1 Qd4 34. Bxc3 Nxc3 35. Ra1 b3 0-1

[Event "BUL-ch07+"]
[Site "Sofia"]
[Date "1952.10.14"]
[Round "7"]
[White "Popov, Vesselin"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A83"]
[PlyCount "81"]
[EventDate "1952.10.05"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 exf3 6. Nxf3 Bg7 7. Bd3 d6 8. Qd2 Nc6 9. Bh6 0-0 10. 0-0-0 Bg4 11. Rde1 e6 12. Ne2 Qd7 13. h3 Bf5 14. Bxg7 Kxg7 15. Nf4 Rae8 16. Bxf5 exf5 17. d5 Nd8 18. Ng5 Kg8 19. Nfe6 Nxe6 20. dxe6 Qe7 21. Nf7 Rxf7 22. exf7+ Qxf7 23. Rxe8+ Qxe8 24. Qd4 Kg7 25. Qxa7 Qc6 26. Qf2 Qa4 27. Kb1 Ne4 28. Qe3 c5 29. Re1 d5 30. Qd3 Qc6 31. g4 f4 32. Kc1 b5 33. c3 Kf6 34. h4 h6 35. Rf1 g5 36. hxg5+ hxg5 37. Qh3 Ke5 38. Qh8+ Kd6 39. Rh1 Kc7 40. Rh7+ Kb6 41. Qb8+ 1-0

[Event "BUL-ch07+"]
[Site "Sofia"]
[Date "1952.10.11"]
[Round "6"]
[White "Piskov, Kamen Penev"]
[Black "Milev, Zdravko"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "120"]
[EventDate "1952.10.05"]
[EventType "tourn"]
[EventRounds "7"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be6 8. g4 d5 9. exd5 Nxd5 10. Bg2 Bb4 11. 0-0 Bxc3 12. Nxc3 Nxc3 13. Qxd8+ Kxd8 14. bxc3 Kc7 15. f4 f6 16. a4 Rd8 17. Re1 Nc6 18. a5 Bd5 19. fxe5 Nxe5 20. Be3 Bxg2 21. Kxg2 Rd5 22. Kg3 Re8 23. Ra4 Re6 24. Bd4 Re7 25. Bb6+ Kd6 26. Rd4 Nc6 27. Rxe7 Nxe7 28. Rd3 Ke6 29. c4 Rd7 30. Kf3 Nc6 31. Ke4 Ne5 32. Rxd7 Nxd7 33. Bd4 Nb8 34. Bc5 Nc6 35. Bb6 Ne5 36. c5 g6 37. Bc7 Nc6 38. c3 Ne7 39. Bd6 f5+ 40. gxf5+ gxf5+ 41. Kd3 Nc6 42. Bc7 Kd7 43. Bb6 Ne5+ 44. Kd4 Ng6 45. Kd5 Nf4+ 46. Ke5 Nxh3 47. c6+ Kxc6 48. Kxf5 h6 49. c4 Ng5 50. Be3 Nf7 51. Ke4 Nd6+ 52. Kd3 Nf5 53. Bf2 Kd6 54. Ke4 Ke6 55. Be1 h5 56. Bd2 h4 57. Bg5 h3 58. Bf4 Ne7 59. Bc7 Nc6 60. Kf3 Kd7 0-1

[Event "BUL-ch07+"]
[Site "Sofia"]
[Date "1952.10.10"]
[Round "5"]
[White "Mechkarov, Stefan"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "63"]
[EventDate "1952.10.05"]
[EventType "tourn"]
[EventRounds "7"]
[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 Bc5 4. 0-0 Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7. d4 c6 8. Bc4 d6 9. Qb3 Qe7 10. Be3 Nf6 11. Nd2 Ng4 12. dxe5 Bxe3 13. exd6 Qxd6 14. Bxf7+ Ke7 15. Nf3 Nxf2 16. Rae1 Qf4 17. Rxe3 Qxe3 18. Rxf2 Qb6 19. Qc4 Qb5 20. Qd4 Rd8 21. Bd5 cxd5 22. Qxg7+ Kd6 23. Qe5+ Kc5 24. Qe7+ Rd6 25. e5 Qd7 26. b4+ Kc4 27. exd6 Qxe7 28. dxe7 Bd7 29. Ne5+ Kxc3 30. Nxd7 Re8 31. Rf7 d4 32. Nf6 1-0

[Event "BUL-ch07+"]
[Site "Sofia"]
[Date "1952.10.07"]
[Round "3"]
[White "Hinkov, Stefan"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "69"]
[EventDate "1952.10.05"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nh6 5. d4 Nf5 6. c3 0-0 7. Nbd2 Nd6 8. Ne1 c6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 e5 12. Nc2 Bh3 13. Re1 exd4 14. Nxd4 Re8 15. Bf4 Nd7 16. Bf3 Ne5 17. Be4 Ng4 18. Qd2 Qb6 19. Nb3 Rad8 20. Qc2 Rd7 21. Re2 Rde7 22. Rae1 h5 23. Bd6 Re6 24. Bc5 Qc7 25. Bd4 Nf6 26. Bf3 Rxe2 27. Rxe2 Rxe2 28. Qxe2 b6 29. Bxf6 Bxf6 30. Qe8+ Kg7 31. Qxc6 Qe5 32. Qe4 Qb5 33. Be2 Qd7 34. Nd4 Qa4 35. Nf5+ 1-0

[Event "BUL-ch07+"]
[Site "Sofia"]
[Date "1952.10.06"]
[Round "2"]
[White "Piskov, Kamen Penev"]
[Black "Filipov, Filip"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "66"]
[EventDate "1952.10.05"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 e6 6. g3 Nbd7 7. Bg2 0-0 8. 0-0 e5 9. h3 Re8 10. Be3 a5 11. d5 c5 12. Nd2 Nf8 13. Kh2 Ra6 14. Qc2 h6 15. f4 exf4 16. gxf4 Nh5 17. Nf3 f5 18. e5 dxe5 19. fxe5 Bxe5+ 20. Nxe5 Rxe5 21. Bxh6 g5 22. Bxf8 Qxf8 23. Rae1 Qg7 24. Qf2 Bd7 25. Kg1 Rg6 26. Rxe5 Qxe5 27. Re1 Qd6 28. Nb5 Bxb5 29. cxb5 Nf4 30. Qe3 Rf6 31. Kf2 Nxg2 32. Qxg5+ Rg6 33. Qd2 Qg3+ 0-1

[Event "BUL-ch07+"]
[Site "Sofia"]
[Date "1952.10.05"]
[Round "1"]
[White "Piskov, Kamen Penev"]
[Black "Bobotsov, Milko Georgiev"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "73"]
[EventDate "1952.10.05"]
[EventType "tourn"]
[EventRounds "7"]
[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. c3 d5 4. Qa4 Nf6 5. Nxe5 Bd6 6. Nxc6 bxc6 7. d3 0-0 8. Bg5 Rb8 9. Qc2 h6 10. Bxf6 Qxf6 11. Nd2 Re8 12. Be2 Qg5 13. g3 Qe7 14. 0-0 f5 15. Bh5 Rf8 16. f4 fxe4 17. dxe4 dxe4 18. Nxe4 Bf5 19. Rfe1 Bxe4 20. Qxe4 Qxe4 21. Rxe4 Rxb2 22. Rc4 g5 23. fxg5 Rff2 24. Rh4 hxg5 25. Rh3 Rxa2 26. Rxa2 Rxa2 27. Be8 Rc2 28. Rh5 Kf8 29. Bxc6 Rxc3 30. Be4 Rc5 31. Kf2 a5 32. Kf3 a4 33. Rh8+ Ke7 34. Ra8 Rc4 35. Bd5 g4+ 36. Ke3 Bc5+ 37. Ke2 0-1

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.21"]
[Round "14"]
[White "Mechkarov, Stefan"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "95"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. 0-0 e6 5. d3 Nd7 6. Nbd2 Ngf6 7. b3 Qc7 8. Bb2 Bd6 9. Qe1 Bg4 10. e4 Bxf3 11. Nxf3 dxe4 12. dxe4 Ne5 13. Rd1 Nxf3+ 14. Bxf3 e5 15. Rd3 Qe7 16. Qa5 0-0 17. Rfd1 Bc5 18. a3 Rae8 19. c4 Bb6 20. Qc3 Bd4 21. Qd2 c5 22. Re1 Rd8 23. Bxd4 Rxd4 24. Rxd4 cxd4 25. b4 Qe6 26. Qd3 Rc8 27. Rc1 Qc6 28. c5 a6 29. Rc2 Rd8 30. Bg2 Ne8 31. Bf1 Nc7 32. Qb3 Qxe4 33. Re2 Qd5 34. Qxd5 Rxd5 35. Bg2 d3 36. Rd2 Rd4 37. Bxb7 f5 38. f3 Kf7 39. Kf2 Ke6 40. Ke3 Nd5+ 41. Bxd5+ Kxd5 42. Rxd3 Kc4 43. Rxd4+ exd4+ 44. Kd2 Kd5 45. Kd3 Ke5 46. f4+ Kd5 47. Kd2 Kc6 48. Kc2 1-0

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.17"]
[Round "12"]
[White "Piskov, Kamen Penev"]
[Black "Bobotsov, Milko Georgiev"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "58"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. b3 d6 6. Bb2 Nge7 7. e3 Be6 8. Nd5 Qd7 9. a3 Nf5 10. Ne2 0-0 11. h4 Nd8 12. e4 Ne7 13. d4 f5 14. h5 fxe4 15. hxg6 Nxg6 16. Bxe4 Bf5 17. Qd3 Nc6 18. Ne3 Bxe4 19. Qxe4 exd4 20. Nxd4 Qf7 21. 0-0-0 Rae8 22. Qd5 Qxd5 23. cxd5 Nxd4 24. Bxd4 Rxf2 25. Ng4 Rf3 26. Rh3 Rxb3 27. Bxg7 Kxg7 28. Rxh7+ Kxh7 29. Nf6+ Kg7 0-1

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.16"]
[Round "11"]
[White "Bobekov, Radko"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "81"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c5 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 Qa5 9. Nc2 d6 10. Nd5 Nxd5 11. cxd5 Ne5 12. Bd2 Qa4 13. Bc3 Bf5 14. b3 Qd7 15. Nd4 Bh3 16. f4 Bxg2 17. Kxg2 Ng4 18. Qd3 Rac8 19. Rac1 Rc5 20. e4 Rfc8 21. h3 Nh6 22. Ne2 Bxc3 23. Rxc3 f5 24. Rfc1 fxe4 25. Qxe4 Qf5 26. Qxf5 Nxf5 27. Kf2 Kf7 28. g4 Ng7 29. Ke3 e6 30. b4 Rxc3+ 31. Rxc3 Rxc3+ 32. Nxc3 Ne8 33. Kd4 Nc7 34. a4 Kf6 35. dxe6 Kxe6 36. Ne4 h6 37. Ng3 Na6 38. f5+ gxf5 39. Nxf5 Nxb4 40. Nxh6 Nc6+ 41. Ke4 1/2-1/2

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.14"]
[Round "10"]
[White "Piskov, Kamen Penev"]
[Black "Filipov, Filip"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "74"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[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. g3 d6 5. Bg2 g6 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 Bg7 9. Qe3+ Qe7 10. Nb5 Qxe3 11. Bxe3 Kd8 12. Bxa7 c6 13. Bb6+ Ke7 14. Nc3 Nd7 15. Be3 Bxc3+ 16. bxc3 Ra4 17. Kd2 Rxc4 18. Rhb1 Ra4 19. Rb4 Ra5 20. Re4+ Kd8 21. Rf4 f5 22. h4 Kc7 23. Kc2 Ne5 24. Rb4 c5 25. Rbb1 b6 26. Bf4 Be6 27. a3 Nc4 28. a4 Bd7 29. Bd5 Ne5 30. Bxe5 dxe5 31. Bb3 Rha8 32. h5 Bxa4 33. Bxa4 Rxa4 34. Rxa4 Rxa4 35. hxg6 hxg6 36. Rh1 Rg4 37. Rh7+ Kc6 0-1

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.13"]
[Round "9"]
[White "Karastoichev, Emil Stefanov"]
[Black "Piskov, Kamen Penev"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "148"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Be3 Ng4 7. Bf4 e5 8. dxe5 Nxe5 9. Be2 Nbc6 10. Be3 Be6 11. Nd5 Ng4 12. Bxg4 Bxg4 13. h3 Bd7 14. Nf3 b6 15. c4 a5 16. Rc1 Rc8 17. 0-0 g5 18. Nd4 Ne7 19. f4 g4 20. f5 Nxd5 21. exd5 gxh3 22. f6 Bxf6 23. Rce1 Be5 24. Bf4 f6 25. gxh3 Ke7 26. Kh2 Qg8 27. Qf2 Rf8 28. Qh4 Ke8 29. Qh5+ Qf7 30. Qd1 Qe7 31. Kh1 Kd8 32. a3 Qg7 33. b4 axb4 34. axb4 Rfg8 35. Rg1 Qh7 36. Bxe5 Rxg1+ 37. Kxg1 fxe5 38. Nc6+ Bxc6 39. dxc6 Qg8+ 40. Kh1 Qxc4 41. Qf3 Qf4 42. Qxf4 exf4 43. Re6 h5 44. Kg2 Rg8+ 45. Kf3 Rg3+ 46. Kxf4 Rxh3 47. Rh6 Rc3 48. b5 Rc5 49. Rh8+ Ke7 50. Rh7+ Ke6 51. Rxc7 Rxb5 52. Rh7 Rc5 53. c7 Rc6 54. Ke4 d5+ 55. Kd3 Kd6 56. Rxh5 Rxc7 57. Rh6+ Kc5 58. Rh1 b5 59. Ra1 Rh7 60. Rc1+ Kd6 61. Rc8 Rc7 62. Rd8+ Kc5 63. Kc3 Rc6 64. Rh8 Kb6+ 65. Kd4 Rc4+ 66. Kxd5 Rg4 67. Rb8+ Ka5 68. Ra8+ Kb4 69. Ra1 Kc3 70. Rh1 b4 71. Rh3+ Kb2 72. Rh2+ Ka3 73. Rh8 b3 74. Ra8+ Ra4 0-1

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.12"]
[Round "8"]
[White "Piskov, Kamen Penev"]
[Black "Ganchev, Vladimir"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "49"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. d5 Nf6 5. Bg5 c6 6. e4 Bc5 7. Bxc4 b5 8. Bd3 a6 9. Nf3 Bd6 10. 0-0 h6 11. Bh4 Bg4 12. h3 Bh5 13. g4 Bg6 14. dxc6 Nxc6 15. Rc1 Nb4 16. Bb1 Rc8 17. Qe2 0-0 18. Rfd1 Qe7 19. a3 Nc6 20. Nd5 Qd8 21. Qe3 Nxd5 22. Rxd5 Qc7 23. Qd3 Rfe8 24. Rxd6 Bxe4 25. Qxe4 1-0

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.10"]
[Round "7"]
[White "Naidenov, Nikola"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "74"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e3 e5 2. b3 d6 3. Bb2 Be7 4. f4 Bf6 5. fxe5 dxe5 6. Nc3 e4 7. Qe2 Nh6 8. Qc4 0-0 9. Qxe4 Re8 10. Qd3 Nd7 11. Be2 c6 12. 0-0-0 Qa5 13. Kb1 Ne5 14. Qe4 Bd7 15. Qa4 Qc7 16. Ne4 Be7 17. Qd4 Bf8 18. Ng3 a5 19. Nf3 Neg4 20. Rhf1 a4 21. Nh5 axb3 22. axb3 f6 23. h3 c5 24. Qc3 Ne5 25. d4 Nef7 26. dxc5 Nf5 27. g4 Nxe3 28. Nxf6+ gxf6 29. Bc4 Nxd1 30. Rxd1 Be6 31. Bb5 Red8 32. Re1 Bd5 33. Qxf6 Bxf3 34. Qxf3 Qxc5 35. Bc4 Rd7 36. Qf6 Qxc4 37. bxc4 Ra6 1-0

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.09"]
[Round "6"]
[White "Piskov, Kamen Penev"]
[Black "Popov, Vesselin"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "70"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[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. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bg5 Be7 8. Bd3 b6 9. Qe2 Bb7 10. Rd1 0-0 11. 0-0 h6 12. Bh4 Qd5 13. c4 Qh5 14. d5 Rfe8 15. Rfe1 Bb4 16. Bxf6 Bxe1 17. Be5 Bb4 18. Qe4 f5 19. Qd4 Qg4 20. Bxc7 Qxd4 21. Nxd4 exd5 22. cxd5 Bxd5 23. a3 Bc5 24. Nxf5 Bb3 25. Rc1 Rac8 26. Bf4 Rcd8 27. Bf1 Rf8 28. g4 g6 29. Rc3 gxf5 30. Rxb3 fxg4 31. Bg3 Rf3 32. Bc4+ Kf8 33. Rxf3+ gxf3 34. b4 Rd1+ 35. Bf1 Be7 0-1

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.07"]
[Round "5"]
[White "Neikirkh, Oleg"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "A95"]
[PlyCount "52"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[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 c6 4. Nf3 f5 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. e3 Ne4 9. Ne2 Qe8 10. b3 Nd7 11. Nf4 Bd6 12. Bb2 g5 13. Nd3 g4 14. Nfe5 Ng5 15. Nf4 Nf6 16. a4 Bd7 17. Ba3 Bxa3 18. Rxa3 Qe7 19. c5 Be8 20. b4 Nd7 21. Nxd7 Bxd7 22. Qe2 Qe8 23. Rb1 a6 24. Rab3 Kh8 25. Nd3 Qe7 26. Nf4 Be8 1/2-1/2

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.06"]
[Round "4"]
[White "Piskov, Kamen Penev"]
[Black "Milev, Zdravko"]
[Result "1-0"]
[ECO "B72"]
[PlyCount "101"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. Nb3 b6 9. Bf3 e5 10. h4 Bb7 11. Qd2 Na6 12. 0-0-0 Nc5 13. Nxc5 dxc5 14. Nd5 Nxd5 15. exd5 f5 16. Bh6 Qf6 17. h5 Bxh6 18. Qxh6 g5 19. Qxf6 Rxf6 20. c4 h6 21. Rd2 Rd6 22. g4 Kf7 23. gxf5 Kf6 24. Be4 Bc8 25. Rh3 g4 26. Rg3 Bxf5 27. Bxf5 Kxf5 28. f3 Kf4 29. Rxg4+ Kxf3 30. Rgg2 e4 31. Rdf2+ Ke3 32. Kc2 b5 33. Kc3 b4+ 34. Kc2 a5 35. Re2+ Kd4 36. Rg6 Rxg6 37. hxg6 Rg8 38. d6 Ke5 39. d7 Ke6 40. Rd2 Rd8 41. Rd5 Kf6 42. Kd2 Kxg6 43. Ke3 Kf6 44. Kxe4 Ke6 45. Rxc5 Rxd7 46. Rxa5 Rd2 47. b3 Re2+ 48. Kd4 Rh2 49. Ra6+ Kf5 50. Kc5 h5 51. Kxb4 1-0

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.05"]
[Round "3"]
[White "Tsvetkov, Alexandar K"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "139"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BUL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. c4 e6 5. Qb3 Qb6 6. d3 dxc4 7. Qxc4 Nd7 8. Nc3 Ngf6 9. 0-0 Be7 10. a3 e5 11. Ng5 0-0 12. Be3 Qd8 13. Nf3 Be6 14. Qa4 Ng4 15. Nd1 Nxe3 16. Nxe3 Nc5 17. Qc2 Nb3 18. Rab1 Nd4 19. Nxd4 exd4 20. Nc4 Bd5 21. b4 Bxg2 22. Kxg2 Qd5+ 23. Kg1 Rac8 24. Nd2 Rfd8 25. Nf3 Qh5 26. Rfc1 Rd5 27. Qd1 Rcd8 28. Qf1 R8d6 29. Rc4 g5 30. Qg2 g4 31. Nd2 Re6 32. Re1 Qg6 33. Kf1 Qg7 34. Nb3 Rh6 35. Na5 Rdh5 36. Kg1 Rxh2 37. Qxh2 Rxh2 38. Kxh2 Qh6+ 39. Kg1 Qd2 40. Kf1 c5 41. Nxb7 cxb4 42. axb4 Bxb4 43. Rb1 a5 44. Nc5 Qa2 45. Rbc1 Bd2 46. Rd1 f5 47. Ne6 a4 48. Nxd4 a3 49. Nc2 Qb2 50. Nxa3 Bg5 51. Rc8+ Kg7 52. Rc7+ Kf6 53. Nc4 Qa2 54. Rc6+ Ke7 55. Rc5 Qa8 56. Kg1 Kf6 57. Rb1 Kg6 58. Ra5 Qe8 59. Rb6+ Kh5 60. Nd6 Qxe2 61. Nxf5 Qe1+ 62. Kg2 Qc3 63. Rc5 Qh8 64. Kh2 h6 65. d4 Qf8 66. Re6 Qh8 67. Rce5 Qf8 68. f4 gxf3 69. Kh3 Qxf5+ 70. Rxf5 1-0

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.03"]
[Round "2"]
[White "Piskov, Kamen Penev"]
[Black "Malchev, Andrej"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "81"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[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. d3 d6 5. Nc3 Be7 6. Nd5 Nxd5 7. exd5 a6 8. Bxc6+ bxc6 9. dxc6 0-0 10. c4 Qe8 11. 0-0 Qxc6 12. Re1 Bb7 13. b4 Bf6 14. Rb1 Rfe8 15. Re3 e4 16. Ne1 Bd4 17. Rg3 exd3 18. Nf3 Qe4 19. Bd2 Bf6 20. Qb3 Qf5 21. Rd1 Be4 22. Ng5 Bb7 23. Qxd3 Qxd3 24. Rxd3 h6 25. Nf3 Re4 26. Rc1 Re2 27. Nd4 Be4 28. Nxe2 Bxd3 29. Nf4 Be4 30. Nd5 Bd8 31. Re1 f5 32. f3 Bxd5 33. cxd5 Kf7 34. Rc1 Rb8 35. a4 Rb6 36. Rc4 Ke8 37. Bc3 g6 38. Bg7 h5 39. f4 c5 40. dxc6 d5 41. c7 1-0

[Event "BUL-ch05"]
[Site "Sofia"]
[Date "1950.12.02"]
[Round "1"]
[White "Petrov, Peter"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "D18"]
[PlyCount "81"]
[EventDate "1950.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[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. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 Ne4 10. Nxe4 Bxe4 11. Rd1 Qf6 12. Ne1 0-0 13. f3 Bd5 14. Nc2 Bxc4 15. Qxc4 Bd6 16. e4 Bf4 17. a5 Rfd8 18. Ne3 h5 19. Nf1 Rac8 20. Bxf4 Qxf4 21. b4 a6 22. Rac1 Nf6 23. Qc5 Rd7 24. Rc3 Rcd8 25. g3 Qb8 26. Ne3 Qd6 27. Qc4 Qe7 28. Rcd3 Ne8 29. d5 cxd5 30. exd5 exd5 31. Nxd5 Qe6 32. Qc5 Rd6 33. R1d2 Qe1+ 34. Kg2 h4 35. Qf2 Qxf2+ 36. Kxf2 Kf8 37. gxh4 Nf6 38. Nf4 Rxd3 39. Rxd3 Rxd3 40. Nxd3 Nd5 41. Nc5 1/2-1/2

[Event "Match/Nation CSR-BUL"]
[Site "Prague"]
[Date "1950.??.??"]
[Round "2"]
[White "Piskov, Kamen Penev"]
[Black "Sajtar, Jaroslav"]
[Result "1-0"]
[ECO "D75"]
[PlyCount "93"]
[EventDate "1950.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "CSR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 c5 8. dxc5 Nc6 9. a3 Nf6 10. Nc3 Qa5 11. Be3 Ng4 12. b4 Nxe3 13. fxe3 Qd8 14. Qe1 Be6 15. Rd1 Qc8 16. Nd4 Bc4 17. Qf2 Ne5 18. h3 Bh6 19. Kh2 Rb8 20. Rc1 Be6 21. Nd5 Bxd5 22. Bxd5 Qd7 23. Bg2 Qa4 24. Rc3 Nc6 25. Bd5 Nxd4 26. exd4 e6 27. Bg2 Qd7 28. Rd3 f5 29. e3 e5 30. Qa2+ Kh8 31. Qd5 Qxd5 32. Bxd5 e4 33. Rc3 g5 34. Kg2 Rf6 35. Bxe4 f4 36. g4 Re6 37. Bf5 Rxe3 38. Rxe3 fxe3 39. d5 Bg7 40. Kf3 Bb2 41. Rb1 Bxa3 42. c6 bxc6 43. dxc6 e2 44. c7 Re8 45. c8Q Rxc8 46. Bxc8 Bxb4 47. Kxe2 1-0

[Event "Match/Nation CSR-BUL"]
[Site "Prague"]
[Date "1950.??.??"]
[Round "4"]
[White "Piskov, Kamen Penev"]
[Black "Sajtar, Jaroslav"]
[Result "1/2-1/2"]
[ECO "D87"]
[PlyCount "80"]
[EventDate "1950.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "CSR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Bc4 0-0 9. Ne2 Nd7 10. 0-0 Qc7 11. Rc1 Nb6 12. Bb3 c4 13. Bc2 f5 14. e5 Nd5 15. Qd2 Be6 16. Nf4 Nxf4 17. Bxf4 Rfd8 18. Rfe1 Bd5 19. Re3 e6 20. h4 h5 21. Rg3 Kh7 22. Bd1 b5 23. Be2 Qf7 24. Kh2 Bf8 25. Bg5 Rd7 26. Bf3 a5 27. Bxd5 Rxd5 28. Qe2 Rc8 29. a4 bxa4 30. Ra1 a3 31. Bc1 Be7 32. Rh3 Qf8 33. Qa2 a4 34. Bxa3 Bxa3 35. Qxa3 Qxa3 36. Rxa3 Ra5 37. Re3 Rb8 38. Re2 Rb3 39. Rea2 Rxa3 40. Rxa3 Kh6 1/2-1/2

[Event "Match/Nation CSR-BUL"]
[Site "Prague"]
[Date "1950.??.??"]
[Round "1"]
[White "Sajtar, Jaroslav"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "E85"]
[PlyCount "145"]
[EventDate "1950.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "CSR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. Nge2 exd4 8. Nxd4 Re8 9. Qd2 a5 10. Be2 a4 11. Ndb5 b6 12. 0-0 Bd7 13. Rfd1 Bxb5 14. cxb5 a3 15. b4 Qe7 16. Rab1 Nbd7 17. Rb3 Ra7 18. Qc1 Rea8 19. Nb1 Ne5 20. Nxa3 h6 21. Bd4 g5 22. Bb2 Ng6 23. Bc4 Ne5 24. Bd5 Nxd5 25. Rxd5 Qe6 26. Nc2 Rxa2 27. Nd4 Qc8 28. Nf5 Bf8 29. Qc3 f6 30. Rd1 Qe6 31. Ne3 Qf7 32. Nd5 R2a7 33. Qc2 Kg7 34. Rc3 Rc8 35. Ra1 Rb7 36. Rc1 f5 37. Nxc7 fxe4 38. fxe4 Kg6 39. Nd5 Rxc3 40. Bxc3 Bg7 41. Qe2 Nd7 42. Bxg7 Qxg7 43. Qf2 Qf7 44. Rc6 Qe6 45. Qg3 Qxe4 46. Qxd6+ Kf7 47. h3 h5 48. Rc1 Kg7 49. Rf1 Qe5 50. Qxe5+ Nxe5 51. Re1 Nc4 52. Re6 h4 53. Rc6 Rd7 54. Nxb6 Nxb6 55. Rxb6 Rd4 56. Kf2 Rxb4 57. Rb8 Rb2+ 58. Kf3 Rb3+ 59. Kg4 Rg3+ 60. Kh5 Rxg2 61. b6 Rb2 62. Kxg5 Rb4 63. Rb7+ Kf8 64. Kf6 Ke8 65. Ke6 Kf8 66. Kd6 Rb3 67. Kc5 Rxh3 68. Rh7 Kg8 69. Rc7 Rb3 70. b7 h3 71. Rc8+ Kg7 72. b8Q Rxb8 73. Rxb8 1-0

[Event "Match/Nation CSR-BUL"]
[Site "Prague"]
[Date "1950.??.??"]
[Round "3"]
[White "Sajtar, Jaroslav"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "A44"]
[PlyCount "83"]
[EventDate "1950.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "CSR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. f4 exf4 5. Bxf4 Ne7 6. Nf3 Ng6 7. Bg3 Bg4 8. Nbd2 Be7 9. h3 Bxf3 10. Qxf3 0-0 11. Bd3 Nd7 12. 0-0 Nde5 13. Qe2 Bh4 14. Bh2 Rc8 15. Kh1 a6 16. a4 Bg5 17. Nc4 Bf6 18. Ne3 Qc7 19. Bc4 Rfe8 20. a5 Nxc4 21. Nxc4 Be5 22. Ra3 Re7 23. Bxe5 Nxe5 24. Ne3 Ng6 25. Nf5 Re5 26. Qg4 Rce8 27. Re3 Kh8 28. h4 Rg8 29. Rg3 Ree8 30. h5 Ne5 31. Qf4 Qd8 32. Ne3 Qxa5 33. h6 Qd8 34. hxg7+ Rxg7 35. Rxg7 Kxg7 36. Nf5+ Kh8 37. Qh6 Rg8 38. Qxd6 Qg5 39. Qxe5+ f6 40. Qh2 Qd2 41. g3 Qb4 42. Qe2 1-0

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.27"]
[Round "17"]
[White "Piskov, Kamen Penev"]
[Black "Hinkov, Stefan"]
[Result "1-0"]
[ECO "E40"]
[PlyCount "43"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Nge2 d5 6. a3 Bxc3+ 7. Nxc3 0-0 8. Bd3 Re8 9. 0-0 e5 10. dxe5 dxc4 11. exf6 cxd3 12. fxg7 Ne5 13. e4 Bg4 14. f3 Qd4+ 15. Rf2 Be6 16. Bf4 Nc4 17. Nb5 Qf6 18. Qc1 Rad8 19. Nxc7 Qd4 20. Nxe8 Rxe8 21. Qc3 Qd7 22. Rd1 1-0

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.23"]
[Round "16"]
[White "Kolarov, Atanas Stefanov"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "E03"]
[PlyCount "80"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Bg2 b5 8. Qc6 Rb8 9. 0-0 Bb7 10. Qc2 c5 11. Nbd2 Rc8 12. Qd1 Qb6 13. dxc5 Nxc5 14. Nb3 Rd8 15. Qe1 Nxb3 16. axb3 Ne4 17. Be3 Bc5 18. Bxc5 Nxc5 19. Qc3 0-0 20. Qe3 Nd7 21. Qxb6 Nxb6 22. Rfc1 Rc8 23. Ne5 Rxc1+ 24. Rxc1 Rc8 25. Rxc8+ Bxc8 26. b4 Kf8 27. Nc6 Ke8 28. Na7 Kd7 29. Nxc8 Kxc8 30. b3 Kc7 31. Kf1 Nd7 32. Ke1 Nf6 33. h3 Kb6 34. Kd2 Nd7 35. Kc3 Ne5 36. Kd4 Nd7 37. Kc3 Kc7 38. Kd4 Kd6 39. Bb7 Nb8 40. f4 Kc7 1/2-1/2

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.22"]
[Round "15"]
[White "Piskov, Kamen Penev"]
[Black "Malchev, Andrej"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "79"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Qc2 d6 6. a3 Bxc3+ 7. Qxc3 e5 8. dxe5 dxe5 9. Qxe5 Nc6 10. Qf4 Re8 11. Be2 Ne4 12. h4 Nc5 13. Bd2 Ne5 14. Qd4 Qe7 15. Bb4 b6 16. Bxc5 bxc5 17. Qc3 Bf5 18. Nf3 Ng4 19. h5 Rab8 20. Nh4 Bc8 21. Rd1 Rb6 22. Rd5 Nf6 23. h6 g6 24. Nf3 Qf8 25. Re5 Rxe5 26. Nxe5 Ne4 27. Qc2 f5 28. Bf3 Qe7 29. Nd3 Bb7 30. Bxe4 Bxe4 31. f3 Bb7 32. Kf2 g5 33. Qc3 Rg6 34. Ne5 Re6 35. f4 gxf4 36. exf4 Qe8 37. Qg3+ Rg6 38. Nxg6 hxg6 39. h7+ Kh8 40. Qc3+ 1-0

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.20"]
[Round "14"]
[White "Zvetkov, Aleksandar"]
[Black "Piskov, Kamen Penev"]
[Result "1/2-1/2"]
[ECO "E16"]
[PlyCount "113"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. 0-0 Ne4 9. Nxe4 Bxe4 10. Bc3 d5 11. cxd5 Qxd5 12. Ne1 Bxg2 13. Nxg2 Nd7 14. Qd3 Qb7 15. Rfe1 Rfd8 16. e4 c5 17. Qe2 cxd4 18. Bxd4 Bb4 19. Red1 e5 20. a3 Bc5 21. Bc3 Nf6 22. Rxd8+ Rxd8 23. Rd1 Re8 24. Re1 Qd7 25. Kh1 Qh3 26. Ne3 Bxe3 27. fxe3 Nxe4 28. Qf3 Nxc3 29. bxc3 e4 30. Qd1 Qc8 31. Qa4 Rd8 32. Rd1 Rxd1+ 33. Qxd1 h6 34. Qd4 Qf5 35. Kg1 Qf3 36. a4 Kh7 37. c4 f5 38. a5 h5 39. axb6 axb6 40. Qxb6 Qd1+ 41. Kg2 Qf3+ 42. Kg1 Qd1+ 43. Kg2 Qe2+ 44. Kg1 h4 45. gxh4 f4 46. exf4 Qe1+ 47. Kg2 e3 48. h5 Qe2+ 49. Kg3 Qf2+ 50. Kh3 Qf1+ 51. Kg3 Qg1+ 52. Kh3 Qf1+ 53. Kg3 Qf2+ 54. Kh3 Qf3+ 55. Kh4 Qxf4+ 56. Kh3 Qf5+ 57. Kg3 1/2-1/2

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.19"]
[Round "13"]
[White "Piskov, Kamen Penev"]
[Black "Bobekov, Radko"]
[Result "1-0"]
[ECO "E40"]
[PlyCount "55"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Nge2 d6 6. a3 Bxc3+ 7. Nxc3 e5 8. d5 Ne7 9. Bd3 0-0 10. 0-0 a5 11. b3 Bf5 12. e4 Bg6 13. f3 Nd7 14. g4 f6 15. Be3 Be8 16. b4 g5 17. c5 Rf7 18. c6 bxc6 19. dxc6 Nb6 20. Bxb6 cxb6 21. b5 Rg7 22. Bc4+ Bf7 23. Bxf7+ Kxf7 24. Ra2 Qc7 25. Rd2 Rd8 26. Qb3+ Kf8 27. Rfd1 h5 28. Qe6 1-0

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.17"]
[Round "12"]
[White "Stanchev, Zachari"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "117"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 0-0 6. f3 e5 7. d5 Nh5 8. Qd2 f5 9. 0-0-0 f4 10. Bf2 a6 11. Nb1 b5 12. c4 bxc4 13. Qa5 Nd7 14. Na3 Nb6 15. Kb1 Bd7 16. Nxc4 Nxc4 17. Bxc4 Kh8 18. Ne2 c5 19. Qxd8 Rfxd8 20. Nc3 Rdb8 21. Kc2 Bf6 22. Be1 Bb5 23. b3 Bd8 24. Na4 Nf6 25. Nb2 Ne8 26. Bc3 Bf6 27. Nd3 Rb7 28. Rb1 Rg7 29. a4 Bd7 30. Kd2 g5 31. h3 a5 32. Nb2 Bd8 33. Bd3 Kg8 34. Nc4 Bc7 35. g3 fxg3 36. Rbg1 Nf6 37. Rxg3 Nh5 38. Rgg1 Nf4 39. h4 g4 40. fxg4 Bxg4 41. Bc2 h5 42. Bd1 Kh7 43. Rg3 Rg6 44. Ne3 Rag8 45. Bxg4 hxg4 46. Rhg1 Nh3 47. Rf1 Nf4 48. Rfg1 Nh3 49. Rf1 Bd8 50. Rf7+ R8g7 51. Rxg7+ Kxg7 52. Rxg4 Rxg4 53. Nxg4 Kg6 54. Ke3 Nf4 55. Kf3 Kh5 56. Ne3 Kxh4 57. Nc4 Be7 58. Bxa5 Nd3 59. Bc7 1-0

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.16"]
[Round "11"]
[White "Piskov, Kamen Penev"]
[Black "Dimitrov Krastev, Krastjo"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "118"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 Re8 7. Nd5 Bf8 8. Nxf6+ Qxf6 9. d3 h6 10. Ne1 Bc5 11. Kh1 d6 12. Nc2 Nd4 13. Nxd4 exd4 14. e4 dxe3 15. fxe3 Qg6 16. Bf3 Re7 17. Bh5 Qe6 18. d4 Bb6 19. Qd3 Qh3 20. Be2 Bd7 21. Bd2 Rae8 22. Rf2 c6 23. Raf1 Bc7 24. Rg1 d5 25. c5 Re4 26. Bf1 Qh5 27. Be2 Qg6 28. Qb1 Bf5 29. Qf1 Bg4 30. Bd3 Qh5 31. Bxe4 dxe4 32. Rgg2 Bf3 33. Kg1 g5 34. Rxf3 exf3 35. Rf2 g4 36. Qe1 Re4 37. b4 Qd5 38. Qb1 h5 39. Qb3 Qg5 40. Qd3 Qd5 41. Qb3 Qxb3 42. axb3 a6 43. Rf1 f5 44. Rd1 Kf7 45. Kf2 Ke6 46. h4 Kd5 47. Re1 Bd8 48. Bc3 Bf6 49. Rd1 f4 50. exf4 Re2+ 51. Kf1 Rg2 52. Rd2 Rxg3 53. Rh2 Bxd4 54. Bxd4 Kxd4 55. Kf2 Rg2+ 56. Rxg2 fxg2 57. Kxg2 Ke4 58. Kg3 Kf5 59. b5 a5 0-1

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.14"]
[Round "9"]
[White "Popov, Vesselin"]
[Black "Piskov, Kamen Penev"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "55"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 Nbd7 5. Bd3 c6 6. b3 Bd6 7. Bb2 Qe7 8. Ne5 Ba3 9. Bxa3 Qxa3 10. f4 h5 11. 0-0 Qe7 12. Qf3 Nf8 13. c4 Bd7 14. c5 0-0-0 15. b4 Be8 16. a4 N6d7 17. b5 Nb8 18. Qe2 f6 19. Nef3 Nfd7 20. Rfb1 Nf8 21. Nb3 Bg6 22. Na5 Bxd3 23. Qxd3 Qd7 24. bxc6 Nxc6 25. Nxb7 Qxb7 26. Rxb7 Kxb7 27. Rb1+ Kc7 28. Qa6 1-0

[Event "BUL-ch04"]
[Site "Sofia"]
[Date "1949.12.13"]
[Round "8"]
[White "Piskov, Kamen Penev"]
[Black "Markov, Bozidar"]
[Result "0-1"]
[ECO "E47"]
[PlyCount "100"]
[EventDate "1949.12.04"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d6 6. Nge2 e5 7. 0-0 Bxc3 8. Nxc3 Qe7 9. f3 Nc6 10. a3 a5 11. Nd5 Qd8 12. Nxf6+ Qxf6 13. d5 Nb8 14. Qc2 g6 15. f4 exf4 16. Bd2 f3 17. Rxf3 Qe7 18. Raf1 Nd7 19. e4 f6 20. Bh6 Rf7 21. Qf2 b6 22. Bg5 Kg7 23. c5 bxc5 24. Qh4 Ba6 25. Bxa6 Rxa6 26. Qh6+ Kg8 27. Qh4 Ra8 28. Bxf6 Nxf6 29. Rxf6 Rxf6 30. Rxf6 Re8 31. Rf4 Qxh4 32. Rxh4 Rb8 33. e5 dxe5 34. Ra4 Rb5 35. Re4 Rxb2 36. Rxe5 Kf7 37. Re6 Rb6 38. Re4 Rd6 39. Ra4 Rxd5 40. Rxa5 Ke6 41. Kf1 Ke5 42. Ke2 Kd4 43. Kd2 Rf5 44. Ke2 c4 45. Ra8 Re5+ 46. Kd1 c3 47. Rd8+ Kc4 48. Rc8 Re7 49. Rb8 Rf7 50. Ke2 c2 0-1

