[Event "Sofia MGU op 138th"]
[Site "Sofia"]
[Date "2015.03.07"]
[Round "3"]
[White "Kosturkov, Krasimir"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1709"]
[BlackElo "1847"]
[PlyCount "77"]
[EventDate "2015.03.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Bb5+ Nc6 6. Bxc6+ bxc6 7. Nf3 Ba6 8. d3 Nf6 9. 0-0 e6 10. h3 c4 11. d4 c5 12. Be3 Qc7 13. Re1 Rd8 14. Qe2 cxd4 15. Nxd4 Bc5 16. Qf2 0-0 17. Rad1 Nd5 18. Nxd5 Rxd5 19. c3 Qa5 20. a3 Qb6 21. Rd2 Bb7 22. Kh1 e5 23. fxe5 Rxe5 24. Bf4 Rh5 25. Qg3 Rd5 26. Be5 Qg6 27. Qxg6 hxg6 28. Nf3 Rfd8 29. Red1 Rd3 30. Bd4 Bxd4 31. Nxd4 Rxd2 32. Rxd2 f5 33. Re2 Be4 34. Kg1 Kf7 35. Kf2 Rb8 36. g4 Kf6 37. h4 Ke5 38. Nc6+ Kf4 39. Nxb8 1-0

[Event "Sofia MGU op 128th"]
[Site "Sofia"]
[Date "2014.12.07"]
[Round "4"]
[White "Metev, Martin"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2009"]
[BlackElo "1873"]
[PlyCount "105"]
[EventDate "2014.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[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. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re1 Qh4 15. g3 Qh3 16. Qf3 Be6 17. Bf4 Bg4 18. Qg2 Bxf4 19. Qxh3 Bxh3 20. gxf4 Rae8 21. Nd2 Re6 22. Re3 Rg6+ 23. Rg3 Re8 24. Nf3 Re2 25. Re1 Rxe1+ 26. Nxe1 Bf5 27. Rxg6 Bxg6 28. Kf1 Bb1 29. a3 Kf8 30. Ke2 Ke7 31. Nd3 Ba2 32. Nb4 Bc4+ 33. Kf3 a5 34. Nc6+ Kf6 35. Nxa5 Bd3 36. Nc6 Be4+ 37. Ke3 Bg2 38. Ke2 Bh3 39. Ne5 Be6 40. Ke3 Kf5 41. b3 f6 42. Nd3 Bd7 43. Nc5 Bc6 44. Kf3 Be8 45. a4 bxa4 46. bxa4 Bh5+ 47. Kg3 Be8 48. a5 Bc6 49. a6 Ba8 50. a7 Bc6 51. f3 g5 52. fxg5 fxg5 53. Na6 1-0

[Event "Sofia MGU op 128th"]
[Site "Sofia"]
[Date "2014.12.07"]
[Round "5"]
[White "Nikolov, Orlin"]
[Black "Gelemerov, Yane"]
[Result "0-1"]
[ECO "C64"]
[WhiteElo "1873"]
[BlackElo "2078"]
[PlyCount "130"]
[EventDate "2014.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nd4 5. Bc4 d6 6. Nxd4 Bxd4 7. c3 Bb6 8. d4 Qe7 9. Bb3 Nf6 10. Re1 0-0 11. Na3 c6 12. Nc4 Bc7 13. Bg5 h6 14. Bh4 g6 15. Re3 Kg7 16. Bxf6+ Qxf6 17. Rf3 Qe7 18. Rg3 Kh7 19. Ne3 d5 20. Ng4 exd4 21. Rh3 Qg5 22. Rxh6+ Kg8 23. Qxd4 f6 24. exd5 Bxg4 25. d6+ Kg7 26. Rxg6+ Kxg6 27. dxc7 Rac8 28. Qe4+ Qf5 29. Qe7 Qe5 30. Qb4 Bf5 31. Qxb7 Rxc7 32. Qb4 Re7 33. h3 Rh8 34. Rd1 Rd7 35. Rf1 c5 36. Qa4 Qe4 37. g4 Qxa4 38. gxf5+ Kxf5 39. Bxa4 Rg7+ 40. Kh2 Kf4 41. Bc6 Rd8 42. b4 Rd3 43. bxc5 Rxc3 44. Bg2 Rxc5 45. Ra1 Rcg5 46. Bh1 Rd7 47. Bg2 Rd2 48. Kg1 Rc5 49. a4 Rcc2 50. Rf1 a5 51. Ba8 Kg5 52. Kg2 Kf4 53. Kg1 Re2 54. Kg2 Ke5 55. Bf3 Red2 56. Kg3 Rc3 57. Re1+ Kd6 58. Kg2 Rcc2 59. Rf1 Ra2 60. Rd1 Kc5 61. Rxd2 Rxd2 62. h4 Rd4 63. Kg3 Rxa4 64. Bd1 Rd4 65. Bb3 Rd3+ 0-1

[Event "Sofia MGU op 128th"]
[Site "Sofia"]
[Date "2014.12.06"]
[Round "3"]
[White "Nikolov, Orlin"]
[Black "Georgiev, Nikolay"]
[Result "1-0"]
[ECO "C37"]
[WhiteElo "1873"]
[BlackElo "1640"]
[PlyCount "64"]
[EventDate "2014.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 d6 5. 0-0 Be6 6. Bxe6 fxe6 7. h4 h6 8. d4 Bg7 9. c3 Nd7 10. Qb3 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Qxb7 Rb8 14. Qxa7 Nf6 15. Na3 0-0 16. Qa6 Nxe4 17. Nc4 Bg7 18. a4 Qd7 19. Nd2 Nxd2 20. Bxd2 Rxb2 21. Qc4+ Kh8 22. Qd3 Qc6 23. a5 Rb3 24. a6 Bxc3 25. Bxc3+ Qxc3 26. Qxc3+ Rxc3 27. a7 Ra8 28. Rfb1 Re3 29. Rb8+ Re8 30. Rxe8+ Rxe8 31. a8Q Rxa8 32. Rxa8+ Kg7 1-0

[Event "Sofia MGU op 128th"]
[Site "Sofia"]
[Date "2014.12.06"]
[Round "1"]
[White "Nikolov, Orlin"]
[Black "Todev, Simeon"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1873"]
[PlyCount "35"]
[EventDate "2014.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Bc4 Nc6 5. c3 Nf6 6. 0-0 Be7 7. d4 exd4 8. cxd4 Nxe4 9. Bxf7+ Kxf7 10. Ng5+ Bxg5 11. fxg5+ Kg6 12. Qxg4 Nxg5 13. Bxg5 Qxg5 14. Qe6+ Kh5 15. Rf5 Nxd4 16. Rxg5+ Kxg5 17. Qe3+ Kg6 18. Qxd4 1-0

[Event "Sofia MGU op 128th"]
[Site "Sofia"]
[Date "2014.12.06"]
[Round "2"]
[White "Orev, Petar"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2113"]
[BlackElo "1873"]
[PlyCount "33"]
[EventDate "2014.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 d5 3. cxd5 Qxd5 4. Nf3 Bg4 5. Nc3 Qa5 6. Bg2 Nc6 7. 0-0 0-0-0 8. d3 Nf6 9. Bd2 Qc5 10. Rc1 Qd6 11. Nb5 Qd7 12. Qa4 e4 13. Rxc6 exf3 14. exf3 bxc6 15. Qa6+ Kb8 16. Qxa7+ Kc8 17. Qa8# 1-0

[Event "Sofia MGU op 125th"]
[Site "Sofia"]
[Date "2014.11.16"]
[Round "5"]
[White "Nikolov, Orlin"]
[Black "Simeonov, Svetoslav"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1855"]
[BlackElo "1799"]
[PlyCount "115"]
[EventDate "2014.11.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. Bb3 a6 9. f3 b5 10. Qd2 Ne5 11. Qe2 Bb7 12. 0-0-0 Rc8 13. h4 Nc4 14. Bg5 Nh5 15. Qf2 h6 16. g4 Nf6 17. Be3 Qa5 18. Bxc4 Rxc4 19. g5 Nh5 20. gxh6 Bh8 21. Nb3 Qc7 22. Bb6 Qf4+ 23. Be3 Qf6 24. Rxd7 Bc6 25. Rd4 Rxd4 26. Nxd4 Rc8 27. Rd1 b4 28. Bg5 Qe5 29. Nce2 Bb5 30. Be3 a5 31. Nf4 Nxf4 32. Bxf4 Qxf4+ 33. Rd2 Bd7 34. h5 Bf6 35. hxg6 fxg6 36. Kb1 Bg5 37. Rd1 Kh7 38. Qg2 Rc4 39. Ne2 Qh4 40. Rh1 Qxh1+ 41. Qxh1 Bf6 42. Qd1 Be6 43. Nf4 Rd4 44. Nd3 a4 45. Qe2 Bc4 46. e5 Bg5 47. b3 axb3 48. axb3 Bb5 49. Qf2 Rd5 50. f4 Bxh6 51. Nxb4 Rd1+ 52. Kb2 Rf1 53. Qc5 Bg7 54. Qxb5 Rxf4 55. Nc6 Rf5 56. Qc5 g5 57. Qxe7 g4 58. Qh4+ 1-0

[Event "Sofia MGU op 125th"]
[Site "Sofia"]
[Date "2014.11.16"]
[Round "6"]
[White "Pamukchiev, Manush"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1855"]
[PlyCount "48"]
[EventDate "2014.11.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Nf6 6. Nc3 Be6 7. Bxe6 fxe6 8. d3 0-0 9. Na4 Bb6 10. Nxb6 axb6 11. Ng5 Qe7 12. f4 h6 13. fxe5 Nxe5 14. Nf3 Ng6 15. b3 e5 16. a4 Nh5 17. d4 Ng3 18. Re1 Rf7 19. dxe5 Nxe5 20. Ba3 Nxf3+ 21. gxf3 Qh4 22. Kg2 Nh5 23. Re3 Nf4+ 24. Kf1 Qxh3+ 0-1

[Event "Sofia MGU op 125th"]
[Site "Sofia"]
[Date "2014.11.16"]
[Round "4"]
[White "Todorov, Tsetsko"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "D21"]
[BlackElo "1855"]
[PlyCount "61"]
[EventDate "2014.11.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 b5 5. g3 Bb7 6. Bg2 Nd7 7. 0-0 Ngf6 8. a4 a6 9. b3 cxb3 10. Qxb3 Bd5 11. Qc2 b4 12. a5 c5 13. Nbd2 Rc8 14. Qa4 c4 15. Ne5 Be7 16. e4 Ba8 17. Ndxc4 0-0 18. Rd1 Nxe4 19. Qxd7 Nc3 20. Re1 Bxg2 21. Kxg2 Rxc4 22. Qxd8 Rxd8 23. Nxc4 Rxd4 24. Ne5 Bf6 25. Bb2 g6 26. Bxc3 bxc3 27. Rac1 Rd5 28. f4 Rd2+ 29. Kf3 Rxh2 30. Re2 Rh3 31. Kg2 1-0

[Event "Sofia MGU op 125th"]
[Site "Sofia"]
[Date "2014.11.15"]
[Round "2"]
[White "Gelemerov, Yane"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2102"]
[BlackElo "1855"]
[PlyCount "77"]
[EventDate "2014.11.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. 0-0 Nd4 10. fxe5 dxe5 11. Bxf7+ Ke7 12. Bb3 Bxf3 13. gxf3 Nxb3 14. cxb3 Qd4+ 15. Rf2 Rhd8 16. Qf1 Qxd3 17. Qg2 Kf8 18. Bg5 Rd7 19. Kh1 Qxb3 20. Qh3 Rxa2 21. Rxa2 Qxa2 22. Bxf6 Rd1+ 23. Kg2 gxf6 24. Qc8+ Kg7 25. Kh3 Qf7 26. Rg2+ Kh6 27. Rg4 Rd7 28. Kg3 c5 29. Qa8 f5 30. exf5 Qxf5 31. Qg8 Rd4 32. Qg7+ Kh5 33. h4 h6 34. Qg8 Rf4 35. Qe8+ Qf7 36. Qxe5+ Rf5 37. Qe2 Qb3 38. Rg7 Qb5 39. Qxb5 1-0

[Event "Sofia MGU op 125th"]
[Site "Sofia"]
[Date "2014.11.15"]
[Round "3"]
[White "Nikolov, Orlin"]
[Black "Mehmed, Elif"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1855"]
[BlackElo "1552"]
[PlyCount "27"]
[EventDate "2014.11.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 a6 6. a4 Nc6 7. Nf3 e6 8. 0-0 b6 9. Qe2 Nf6 10. Rd1 Be7 11. e5 Ng4 12. exd6 Bf6 13. Nd5 Ra7 14. h3 1-0

[Event "Sofia MGU op 125th"]
[Site "Sofia"]
[Date "2014.11.15"]
[Round "1"]
[White "Nikolov, Orlin"]
[Black "Toncheva, Nadya"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1855"]
[BlackElo "1213"]
[PlyCount "81"]
[EventDate "2014.11.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bg4 7. Be2 Nf6 8. Nc3 Qd8 9. d5 Bxf3 10. Bxf3 Ne5 11. Be2 e6 12. Qa4+ Nfd7 13. 0-0 Bc5 14. Ne4 0-0 15. Nxc5 Nxc5 16. Qd4 Qxd5 17. Qxd5 exd5 18. Bf4 Ned3 19. Bg3 Nxb2 20. Bd6 Rfc8 21. Rab1 Nc4 22. Bxc5 Rxc5 23. Rxb7 Ra5 24. Bf3 Rd8 25. Re1 Nb6 26. Ree7 Rxa2 27. g3 Ra1+ 28. Kg2 Rf8 29. h4 d4 30. Be4 g6 31. g4 Nc8 32. Red7 Nb6 33. Rxd4 Ra8 34. Bc2 Rc1 35. Bb3 Rf8 36. Rxa7 Rb1 37. Ba2 Ra1 38. Bxf7+ Rxf7 39. Rxa1 Kg7 40. Ra6 Nc8 41. Rc6 1-0

[Event "Sofia MGU op 54th"]
[Site "Sofia"]
[Date "2012.04.01"]
[Round "4"]
[White "Nikolov, Orlin"]
[Black "Kamenov, Valentin"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1838"]
[BlackElo "1979"]
[PlyCount "86"]
[EventDate "2012.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qc5 7. 0-0 b5 8. b4 Qb6 9. Bd3 Bb7 10. Bb2 Nc6 11. a3 Nf6 12. Nb3 Rd8 13. Nbxd4 a6 14. Re1 Be7 15. Nxe6 fxe6 16. Rxe6 0-0 17. Qe2 Rd7 18. c4 Qd8 19. cxb5 axb5 20. Bxb5 Rc7 21. Re1 Bd6 22. Bc4 Kh8 23. Ng5 Bc8 24. Rxf6 gxf6 25. Qh5 Ne5 26. Bb3 Rg7 27. Ne4 Bg4 28. Qh4 Bf3 29. g3 Bd1 30. Bxd1 Nd3 31. Bxf6 Rxf6 32. Re3 Be7 33. Ba4 Ra6 34. Qh5 Nf4 35. Qb5 Qa8 36. Kf1 Rxa4 37. gxf4 Ra7 38. Ng5 Qc8 39. Qe5 Bxg5 40. fxg5 Qd8 41. h4 Qd1+ 42. Kg2 Qg4+ 43. Rg3 Qc8 1-0

[Event "Sofia MGU op 54th"]
[Site "Sofia"]
[Date "2012.04.01"]
[Round "5"]
[White "Ruschukov, Boian"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2012"]
[BlackElo "1838"]
[PlyCount "105"]
[EventDate "2012.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 0-0 7. Be2 e6 8. 0-0 a6 9. a4 b6 10. Qc2 exd5 11. cxd5 Nbd7 12. Nd2 Ne5 13. h3 g5 14. Nc4 Nxc4 15. Bxc4 h6 16. g4 Nd7 17. Be2 Ne5 18. Be3 Rb8 19. Qd2 c4 20. f4 gxf4 21. Bxf4 Qh4 22. Kg2 b5 23. Bg3 Qe7 24. axb5 axb5 25. Bf4 h5 26. gxh5 Qh4 27. Rh1 f5 28. Bg5 Bh6 29. Bxh6 Rf7 30. Qg5+ Qxg5+ 31. Bxg5 b4 32. Nd1 fxe4 33. h4 Bf5 34. Ne3 c3 35. bxc3 bxc3 36. Rhb1 Rbf8 37. Rf1 Nd3 38. Bh6 Rc8 39. Nxf5 c2 40. Bxd3 exd3 41. Nxd6 Rxf1 42. Rxf1 Kh7 43. Bc1 Rd8 44. Ne4 Ra8 45. d6 Rg8+ 46. Kh3 Ra8 47. d7 d2 48. Bxd2 Ra3+ 49. Nc3 Ra8 50. Bg5 c1Q 51. Rxc1 Rf8 52. d8Q Rxd8 53. Bxd8 1-0

[Event "Sofia MGU op 54th"]
[Site "Sofia"]
[Date "2012.03.31"]
[Round "1"]
[White "Kovachev, Dimitar"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1838"]
[PlyCount "66"]
[EventDate "2012.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. h3 e6 7. Be3 cxd4 8. Nxd4 Be7 9. Nxc6 Qxc6 10. Nd2 a6 11. Qc2 b5 12. Rc1 Bb7 13. Nf3 0-0 14. Be2 Nd5 15. Bg5 Bd6 16. Nd4 Qc7 17. Bf3 Bf4 18. Bxf4 Nxf4 19. 0-0 e5 20. Bxb7 Qxb7 21. Nf3 Nxh3+ 22. Kh2 Nf4 23. Rg1 e4 24. Ng5 Nd3 25. Rcd1 f5 26. Qe2 Rf6 27. Rh1 Nf4 28. Qe3 Nd5 29. Qd4 Nf4 30. Qe3 Qc7 31. Kg1 Rg6 32. Nh3 Nxg2 33. Qd4 Ne3+ 0-1

[Event "Sofia MGU op 54th"]
[Site "Sofia"]
[Date "2012.03.31"]
[Round "3"]
[White "Stoyanov, Stefan"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1867"]
[BlackElo "1838"]
[PlyCount "118"]
[EventDate "2012.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. Qd2 0-0 9. 0-0-0 Nc6 10. Nb3 b5 11. f3 b4 12. Na4 Nd7 13. Nd4 Nxd4 14. Qxd4 Qa5 15. b3 Nc5 16. Nxc5 dxc5 17. Qb2 Bf6 18. e5 c4 19. Bxc4 Bxe5 20. Bd4 Bxd4 21. Rxd4 Qg5+ 22. Rd2 Rd8 23. Bd3 a5 24. Rhd1 Bb7 25. h4 Qe3 26. Kb1 Qb6 27. Qe5 Rd5 28. Qe4 g6 29. Qf4 Kg7 30. g4 Qd4 31. Be4 Qc3 32. Bxd5 Bxd5 33. Rd3 Qc5 34. g5 a4 35. Qd4+ Qxd4 36. Rxd4 axb3 37. cxb3 Bxf3 38. Rf1 Bd5 39. Rxb4 h6 40. gxh6+ Kg8 41. a4 e5 42. Rb5 Rd8 43. Kb2 Be6 44. Rxe5 Rd3 45. Rb5 Kh7 46. Rf4 Kxh6 47. a5 Rd2+ 48. Kc3 Ra2 49. Ra4 Rh2 50. Rd4 Ra2 51. b4 Bf5 52. Rd6 Kh5 53. Rxf5+ gxf5 54. Rf6 Kg4 55. Kc4 f4 56. Kb5 f3 57. Kb6 Re2 58. Kb7 Re7+ 59. Kb8 Re4 0-1

[Event "Sofia MGU op 37th"]
[Site "Sofia"]
[Date "2011.09.04"]
[Round "4"]
[White "Nikolov, Orlin"]
[Black "Kolev, Nikolay"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1855"]
[BlackElo "2073"]
[PlyCount "98"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 e6 7. 0-0 Nge7 8. Qe2 a6 9. a4 Ng6 10. Be3 Be7 11. Nd4 Nge5 12. Bb3 0-0 13. f4 Nxd4 14. Bxd4 Nc6 15. Be3 Qc7 16. f5 Bf6 17. Rac1 Nd4 18. Bxd4 Bxd4+ 19. Kh1 Qe7 20. a5 Bd7 21. Qd3 Bxc3 22. Rxc3 Rac8 23. Bc4 Rc5 24. f6 gxf6 25. Qg3+ Kh8 26. Qh4 Rg8 27. b4 Rcg5 28. Rh3 R8g7 29. Rf2 Rg4 30. Qh6 Rxe4 31. Bf1 f5 32. Qd2 e5 33. Rd3 Rg6 34. Rc3 Bc6 35. Bxa6 Rd4 36. Qc2 Be4 37. Bd3 Bxd3 38. Rxd3 Rxb4 39. Rd1 Rbg4 40. Qc8+ Kg7 41. Qxf5 Rf4 42. Rxf4 exf4 43. Qxf4 Qe5 44. Qb4 Re6 45. Rf1 Qe2 46. Qf4 f6 47. h3 d5 48. Qg3+ Kf7 49. Rc1 Re7 1-0

[Event "Sofia MGU op 37th"]
[Site "Sofia"]
[Date "2011.09.04"]
[Round "5"]
[White "Nikolov, Orlin"]
[Black "Popov, Ilian"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1855"]
[BlackElo "2206"]
[PlyCount "48"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. c4 d6 5. Nf3 Nc6 6. Bxd3 Nf6 7. Nc3 g6 8. h3 Bg7 9. 0-0 0-0 10. Be3 Kh8 11. Rc1 Ng8 12. Bb1 f5 13. exf5 gxf5 14. Nd5 Bxb2 15. Bg5 Nf6 16. Rc2 Ba1 17. Re2 Be5 18. Nxe5 dxe5 19. Rd2 Qa5 20. Re1 Qc5 21. g4 fxg4 22. Qc2 Rf7 23. Qc3 Nxd5 24. Qd3 Nf6 0-1

[Event "Sofia MGU op 37th"]
[Site "Sofia"]
[Date "2011.09.04"]
[Round "6"]
[White "Stoev, Tsvetoslav"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "1695"]
[BlackElo "1855"]
[PlyCount "98"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[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. h3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf4 12. d4 Ng6 13. Re1 Bb7 14. Nc3 Nh4 15. d5 Bd6 16. Qg4 Ng6 17. Bg5 f6 18. Be3 f5 19. Qd1 f4 20. Bd4 f3 21. Ne4 Nh4 22. g3 h6 23. Nxd6 cxd6 24. Kh2 Bc8 25. Re4 Ng6 26. Re3 Qd7 27. g4 Qf7 28. Re6 Bxe6 29. dxe6 Qe7 30. Bd5 Rab8 31. Bxf3 Qxe6 32. Qe2 Qxe2 33. Bxe2 Ne5 34. f4 Rxf4 35. Be3 Rff8 36. Rd1 Rbc8 37. c3 Nc4 38. Bg1 Rfe8 39. Bf3 Rcd8 40. Bb7 Re2+ 41. Kg3 Rxb2 42. Bxa6 d5 43. a4 Na3 44. Ra1 Nc2 45. Rd1 bxa4 46. Bc4 dxc4 47. Rxd8+ Kf7 48. Bc5 a3 49. Bxa3 Nxa3 0-1

[Event "Sofia MGU op 37th"]
[Site "Sofia"]
[Date "2011.09.03"]
[Round "3"]
[White "Bakalska, Aleksina"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "C31"]
[BlackElo "1855"]
[PlyCount "58"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. Nf3 dxe4 4. Nxe5 Be6 5. Nc3 Nf6 6. Be2 Bc5 7. d4 Bxd4 8. Bd2 0-0 9. Qc1 Nc6 10. Be3 Nxe5 11. fxe5 Bxe5 12. 0-0 Nd5 13. Nxd5 Bxd5 14. Qe1 c6 15. Rd1 Qe7 16. c3 Be6 17. b4 f5 18. Bc5 Qg5 19. Bxf8 Rxf8 20. Bd3 Qg6 21. Bc2 Bc4 22. Bb3 Bxb3 23. axb3 f4 24. Qe2 f3 25. Qc4+ Kh8 26. g3 Bxg3 27. Kh1 Qh5 28. Qe2 e3 29. Rde1 Bxe1 0-1

[Event "Sofia MGU op 37th"]
[Site "Sofia"]
[Date "2011.09.03"]
[Round "1"]
[White "Milchev, Nikolay"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2418"]
[BlackElo "1855"]
[PlyCount "45"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. exd5 Qxd5 5. c4 Qe6 6. d5 Qd6 7. dxc6 Qxd1+ 8. Kxd1 Nf6 9. Nxe5 Bf5 10. cxb7 Rb8 11. Be2 Rd8+ 12. Ke1 Rb8 13. Bf3 Be4 14. Bxe4 Nxe4 15. f3 Bb4+ 16. Ke2 Nc5 17. Nc6 Rxb7 18. Nxb4 Rxb4 19. b3 0-0 20. Ba3 Re8+ 21. Kd2 Rd8+ 22. Kc3 Na4+ 23. Kxb4 1-0

[Event "Sofia MGU op 37th"]
[Site "Sofia"]
[Date "2011.09.03"]
[Round "2"]
[White "Nikolov, Orlin"]
[Black "Kolev, Nikolay Bonev"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1855"]
[PlyCount "78"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. 0-0 Be6 6. Bb5 Bd7 7. Bg5 Be7 8. Bxc6 Bxc6 9. Bxe7 Nxe7 10. Qxd4 0-0 11. Nc3 Qd7 12. Rad1 Qg4 13. Rd3 Ng6 14. Nd2 a6 15. Rg3 Qe6 16. f4 f5 17. h4 Qf6 18. Qc4+ Qf7 19. Qxf7+ Rxf7 20. h5 Nf8 21. h6 g6 22. Rg5 Ne6 23. Rg3 Nd4 24. e5 dxe5 25. fxe5 Re8 26. Re3 Nxc2 27. Re2 Nd4 28. Ree1 Rfe7 29. Nc4 b5 30. Rd1 Ne6 31. Ne3 Nc5 32. Ned5 Bxd5 33. Nxd5 Rxe5 34. Nf6+ Kf7 35. Nxe8 Rxe8 36. g4 Kf6 37. gxf5 gxf5 38. b4 Rg8+ 39. Kh1 Ne4 0-1

[Event "Sofia MGU op 33rd"]
[Site "Sofia"]
[Date "2011.06.12"]
[Round "6"]
[White "Bardarov, Georgi"]
[Black "Nikolov, Orlin"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1777"]
[BlackElo "1855"]
[PlyCount "54"]
[EventDate "2011.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 b5 5. a4 c6 6. axb5 cxb5 7. b3 a5 8. bxc4 b4 9. Bd3 Bb7 10. Bb2 Nd7 11. Nbd2 Ngf6 12. e4 Qc7 13. e5 Ng8 14. 0-0 Ne7 15. Ne4 Ng6 16. Nfg5 Be7 17. Qf3 0-0 18. Qh5 h6 19. Nf6+ Nxf6 20. exf6 Bxf6 21. Nxe6 Qd6 22. Nxf8 Nf4 23. Qf5 g6 24. Nxg6 fxg6 25. Qg4 Bxg2 26. Bxg6 Bh3 27. Qf3 Bg2 1/2-1/2

[Event "Sofia MGU op 33rd"]
[Site "Sofia"]
[Date "2011.06.12"]
[Round "5"]
[White "Nikolov, Orlin"]
[Black "Dimov, Iskren"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1855"]
[PlyCount "116"]
[EventDate "2011.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 Qc7 6. Nd5 Qb8 7. Bf4 d6 8. Bc4 e6 9. Nc3 Nf6 10. 0-0 Be7 11. Qe2 e5 12. Bg5 0-0 13. Bxf6 Bxf6 14. Nd5 Be6 15. Nxf6+ gxf6 16. Bxe6 fxe6 17. Nh4 Kh8 18. Rad1 Nd4 19. Qh5 Qe8 20. Qh6 Qf7 21. f4 Ne2+ 22. Kh1 Nxf4 23. Rxd6 Rad8 24. Rfd1 Rxd6 25. Rxd6 Rc8 26. h3 Qe7 27. Rd3 Rd8 28. Rf3 Qg7 29. Qxg7+ Kxg7 30. Rc3 Rd7 31. Nf3 Ne2 32. Ra3 Ng3+ 33. Kh2 Nxe4 34. Rxa7 Kf7 35. a4 Ke7 36. b4 b5 37. Rxd7+ Kxd7 38. axb5 Kc7 39. g4 Kb6 40. h4 Kxb5 41. Kh3 Kxb4 42. g5 Kc5 43. gxf6 Nxf6 44. Nxe5 Kd5 45. Nf3 e5 46. Kg3 Ke4 47. Ng5+ Kd3 48. Kf3 e4+ 49. Kf4 e3 50. Kf5 e2 51. Nf3 Ke3 52. Ne1 Nd5 53. Kg5 Nf4 54. Kh6 Nd3 55. Nc2+ Kd2 56. Nd4 Ne5 57. Nxe2 Kxe2 58. Kxh7 Ng4 1/2-1/2

[Event "Sofia MGU op 33rd"]
[Site "Sofia"]
[Date "2011.06.12"]
[Round "4"]
[White "Nikolov, Orlin"]
[Black "Stanchev, Plamen"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "1855"]
[BlackElo "1849"]
[PlyCount "68"]
[EventDate "2011.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. exf6 Nxf6 8. Bd3 Bd6 9. 0-0 0-0 10. Re1 Re8 11. Nf1 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bg5 Bd7 15. Ne3 c6 16. c4 d4 17. Bxf6 Qxf6 18. Ng4 Bxg4 19. Qxg4 Qf4 20. Qh5 g6 21. Qh3 Qf7 22. c5 Bf6 23. Rec1 Kg7 24. Bc4 Qc7 25. Re1 Re5 26. f4 Re7 27. f5 Rae8 28. Re6 Rxe6 29. fxe6 Qe5 30. b4 d3 31. Rd1 Qd4+ 32. Kh1 Qxc4 33. Qxd3 Qxd3 34. Rxd3 Rxe6 0-1

[Event "Sofia MGU op 33rd"]
[Site "Sofia"]
[Date "2011.06.11"]
[Round "2"]
[White "Dobrev, Petko"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1893"]
[BlackElo "1855"]
[PlyCount "95"]
[EventDate "2011.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. e3 e6 4. c4 c6 5. c5 b6 6. b4 a5 7. Bd2 axb4 8. Bxb4 Nf6 9. Bd3 Bxd3 10. Qxd3 Na6 11. Ba3 bxc5 12. Bxc5 Bxc5 13. dxc5 Qa5+ 14. Nbd2 Nxc5 15. Qc2 Qb5 16. Ne5 0-0 17. f3 Ra3 18. Kf2 Rfa8 19. Rhb1 Nd3+ 20. Nxd3 Qxd3 21. Qxd3 Rxd3 22. Ke2 Rda3 23. Rc1 Rxa2 24. Rxa2 Rxa2 25. Rxc6 Kf8 26. Rc7 Ne8 27. Rd7 Nf6 28. Rb7 g6 29. Rc7 Ne8 30. Rd7 Nf6 31. Rb7 Kg7 32. Rc7 Ne8 33. Rd7 Kf6 34. Kd3 h5 35. h3 h4 36. Ke2 g5 37. Kd3 Kg6 38. Ke2 Ng7 39. Rb7 Nf5 40. Rb1 Nd6 41. Kd3 Ra3+ 42. Rb3 Rxb3+ 43. Nxb3 Nb5 44. Nc5 Kf5 45. Ke2 e5 46. e4+ dxe4 47. Nxe4 Nd4+ 48. Kf2 0-1

[Event "Sofia MGU op 33rd"]
[Site "Sofia"]
[Date "2011.06.11"]
[Round "1"]
[White "Nikolov, Orlin"]
[Black "Strateva, Margarita"]
[Result "1-0"]
[ECO "C31"]
[WhiteElo "1855"]
[PlyCount "39"]
[EventDate "2011.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. Nf3 Bg4 4. c3 dxe4 5. Qa4+ c6 6. Nxe5 Bf5 7. Bc4 Be6 8. Bxe6 fxe6 9. Qxe4 Nf6 10. Qe2 Bd6 11. 0-0 Nbd7 12. d4 Qc7 13. Nd2 Nd5 14. Qh5+ g6 15. Nxg6 N7f6 16. Qh3 Nxf4 17. Nxf4 Bxf4 18. Qxe6+ Qe7 19. Qxe7+ Kxe7 20. Rxf4 1-0

[Event "Sofia MGU op 33rd"]
[Site "Sofia"]
[Date "2011.06.11"]
[Round "3"]
[White "Petrov, Vladimir Sergeev"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "1793"]
[BlackElo "1855"]
[PlyCount "49"]
[EventDate "2011.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Qd3 Nf6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Qe7 11. 0-0-0 c6 12. Bxe5 Qxe5 13. g3 Kd8 14. Bg2 Kc7 15. Rhf1 d6 16. f4 Qe7 17. e5 Ne8 18. Rfe1 Bg4 19. exd6+ Qxd6 20. Nb5+ cxb5 21. Qc3+ Kb6 22. Rxd6+ Nxd6 23. Qd4+ Kc7 24. Re7+ Bd7 25. Qc5+ 1-0

[Event "Sofia MGU op 27th"]
[Site "Sofia"]
[Date "2011.03.13"]
[Round "6"]
[White "Nikolov, Savko"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1935"]
[BlackElo "1855"]
[PlyCount "71"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 b5 5. a4 c6 6. b3 a5 7. bxc4 b4 8. Bd3 c5 9. Bb2 Nf6 10. Nbd2 Bb7 11. 0-0 Nc6 12. Ne4 Nxe4 13. Bxe4 Qc7 14. d5 exd5 15. cxd5 Nb8 16. d6 Qc8 17. Bd5 Nc6 18. Ng5 Nd8 19. Qf3 Bxd5 20. Qxd5 Ra6 21. Qe5+ Ne6 22. Nxe6 Qxe6 23. d7+ Kxd7 24. Qb8 Kc6 25. Qb5+ Kc7 26. Be5+ Bd6 27. Qxc5+ Kb7 28. Bxd6 Qxd6 29. Qf5 Qb6 30. Qd5+ Ka7 31. Qe4 Rc8 32. Qxh7 Qf6 33. Rad1 Qc6 34. Ra1 Qc3 35. h4 b3 36. Qf5 1-0

[Event "Sofia MGU op 27th"]
[Site "Sofia"]
[Date "2011.03.13"]
[Round "4"]
[White "Vasilev, Plamen"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2100"]
[BlackElo "1855"]
[PlyCount "49"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 c5 6. c4 Nc6 7. cxd5 Nxd5 8. Nc3 cxd4 9. Nxd4 Nxd4 10. Qxd4 Nxc3 11. bxc3 Be7 12. Bxb7 0-0 13. Bf4 Qa5 14. Bxa8 Rxa8 15. e4 Bh3 16. Rfb1 Bf6 17. Qd6 h6 18. Rb8+ Rxb8 19. Qxb8+ Kh7 20. Qb3 Bxc3 21. Rc1 Bd4 22. Qd3 Bb2 23. Rb1 Bc3 24. Qe2 Bd4 25. Rd1 1-0

[Event "Sofia MGU op 27th"]
[Site "Sofia"]
[Date "2011.03.12"]
[Round "2"]
[White "Tsenukov, Angel"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2045"]
[BlackElo "1855"]
[PlyCount "67"]
[EventDate "2011.03.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Nc3 Nxd5 6. Nxd5 Qxd5 7. d4 Bd6 8. Be2 0-0 9. 0-0 b5 10. Ne5 c6 11. Bxf4 Bb7 12. Bf3 Qe6 13. Qd3 f6 14. Be4 fxe5 15. Bxh7+ Kh8 16. Bxe5 Nd7 17. Bf5 Nxe5 18. dxe5 Bc5+ 19. Kh1 Qh6 20. Rf3 Rad8 21. Qc3 Bd4 22. Qb3 Rxf5 23. Rxf5 c5 24. Qg3 Kg8 25. Rd1 Qe6 26. Qg5 Rd5 27. Rdf1 Qe8 28. c3 Bxe5 29. Qe3 Qg6 30. Rf8+ Kh7 31. Qh3+ Qh6 32. Qf5+ g6 33. Qf7+ Bg7 34. Qg8# 1-0

[Event "Sofia MGU op 22nd"]
[Site "Sofia"]
[Date "2011.01.16"]
[Round "6"]
[White "Kolev, Nikola"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "B51"]
[BlackElo "1900"]
[PlyCount "56"]
[EventDate "2011.01.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Nf6 5. e5 dxe5 6. Nxe5 Qb6 7. Qe2 e6 8. Nc3 Be7 9. Rd1 0-0 10. Nxc6 bxc6 11. Bc4 Nd5 12. Qf3 Nb4 13. Bb3 Ba6 14. a3 c4 15. axb4 cxb3 16. cxb3 Bxb4 17. d3 Be7 18. Be3 c5 19. b4 Bb7 20. Qg4 Qxb4 21. Qxb4 cxb4 22. Ne4 Bxe4 23. dxe4 a5 24. b3 Rfd8 25. Rxd8+ Rxd8 26. f3 Rd3 27. Rxa5 Rxe3 28. Ra8+ Bf8 0-1

[Event "Sofia MGU op 22nd"]
[Site "Sofia"]
[Date "2011.01.16"]
[Round "4"]
[White "Sisoev, Robert"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1615"]
[BlackElo "1900"]
[PlyCount "83"]
[EventDate "2011.01.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 dxc6 7. Bc4 Qxf3 8. gxf3 Bh3 9. Rg1 g6 10. Bf4 0-0-0 11. Rg3 Be6 12. Bxe6+ fxe6 13. Be5 Bd4 14. Bxh8 Bxh8 15. c3 Nf6 16. Nd2 Nh5 17. Rg4 Be5 18. h4 Nf4 19. Nc4 Nd3+ 20. Kf1 Bh8 21. Rd1 b5 22. Na5 Nxb2 23. Rxd8+ Kxd8 24. Nxc6+ Kd7 25. Nxa7 c6 26. Rf4 Bxc3 27. Rf7+ Kd6 28. Rxh7 Nc4 29. Nc8+ Kc5 30. Ne7 Ne5 31. f4 Ng4 32. Nxg6 Nf6 33. Re7 Nxe4 34. Rxe6 Nd6 35. h5 Kd5 36. Re7 c5 37. Ne5 Nf5 38. Rg7 c4 39. Rg6 Bd2 40. Rf6 Ke4 41. f3+ Ke3 42. Rxf5 1-0

[Event "Sofia MGU op 22nd"]
[Site "Sofia"]
[Date "2011.01.15"]
[Round "3"]
[White "Nikolov, Orlin"]
[Black "Atamer, Tundjay"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1900"]
[BlackElo "1909"]
[PlyCount "53"]
[EventDate "2011.01.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 e6 6. Nf3 Nc6 7. 0-0 Nf6 8. Qe2 a6 9. a4 Be7 10. Rd1 Qc7 11. Bf4 Ne5 12. Bxe5 dxe5 13. Rac1 Qb8 14. a5 0-0 15. Na4 Bd7 16. Nb6 Bc6 17. Nxa8 Qxa8 18. Nxe5 Bxe4 19. Nd7 b5 20. axb6 Nxd7 21. Rxd7 Bc5 22. Bxe6 Bxb6 23. Rxf7 Rxf7 24. Qxe4 Bxf2+ 25. Kh1 Qf8 26. Qf5 Kh8 27. Qxf7 1-0

[Event "Sofia MGU op 22nd"]
[Site "Sofia"]
[Date "2011.01.15"]
[Round "1"]
[White "Nikolov, Orlin"]
[Black "Dimitrov, Alexander"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1900"]
[BlackElo "2004"]
[PlyCount "92"]
[EventDate "2011.01.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. bxa5 Nd7 11. Be3 f5 12. Ng5 Nc5 13. Bxc5 dxc5 14. Bf3 Rxa5 15. Ne6 Bxe6 16. dxe6 Qc8 17. Qd7 Qxd7 18. exd7 c6 19. a4 Rd8 20. Rfd1 Kf7 21. Rab1 Ra7 22. Rb2 Ng8 23. Kf1 Nf6 24. Rbd2 Ke7 25. Ke2 Rxd7 26. Rxd7+ Nxd7 27. Rb1 Kd6 28. Kd3 Nf8 29. Bd1 Ne6 30. g3 Bf6 31. Rb6 Bd8 32. Nb5+ Kd7 33. Rxc6 bxc6 34. Nxa7 Bb6 35. Nb5 cxb5 36. axb5 Nd4 37. g4 fxg4 38. Bxg4+ Ke7 39. h4 h5 40. Bc8 Kd6 41. Bb7 Nf3 42. Bd5 Nxh4 43. Bf7 Ke7 44. Bd5 Kf6 45. Ke3 Kg5 46. Be6 Ng2+ 0-1

[Event "Sofia Baharov Memorial 18th"]
[Site "Sofia"]
[Date "2010.11.27"]
[Round "3"]
[White "Nikolov, Orlin"]
[Black "Andreev, Dobrotich"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1900"]
[BlackElo "2023"]
[PlyCount "80"]
[EventDate "2010.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 Nc6 9. 0-0 0-0 10. Be3 Nd5 11. Nxd5 exd5 12. Bd3 Bg4 13. Rc1 Bd6 14. Bb1 Bh5 15. Re1 Rc8 16. Qd3 Bg6 17. Qb3 Bxb1 18. Rxb1 Na5 19. Qd3 Nc4 20. Ng5 g6 21. Bc1 Re8 22. Rf1 Qd7 23. Nf3 Re4 24. b3 Na3 25. Bxa3 Bxa3 26. Ne5 Qf5 27. b4 Rxe5 28. Qxa3 Re2 29. Qxa7 Rcc2 30. Qxb7 Rxf2 31. Qb8+ Kg7 32. Qg3 Rxg2+ 33. Qxg2 Rxg2+ 34. Kxg2 Qg4+ 35. Kf2 Qxd4+ 36. Ke2 Qc4+ 37. Ke3 d4+ 38. Kd2 Qc3+ 39. Ke2 Qe3+ 40. Kd1 Qd3+ 0-1

[Event "Sofia Baharov Memorial 18th"]
[Site "Sofia"]
[Date "2010.11.26"]
[Round "2"]
[White "Popov, Georgi"]
[Black "Nikolov, Orlin"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2161"]
[BlackElo "1900"]
[PlyCount "30"]
[EventDate "2010.11.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. c3 c6 5. Nbd2 e6 6. Qb3 Qb6 7. h3 Nbd7 8. e3 Be7 9. Be2 0-0 10. 0-0 Ne4 11. Nxe4 Bxe4 12. Nd2 Bg6 13. c4 Rfe8 14. Rac1 Bf6 15. Rfd1 c5 1/2-1/2

[Event "Sofia MGU op 12th"]
[Site "Sofia"]
[Date "2010.07.25"]
[Round "5"]
[White "Nikolov, Orlin"]
[Black "Raykov, Stefan"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1900"]
[BlackElo "1705"]
[PlyCount "61"]
[EventDate "2010.07.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Bc4 Nf6 7. Nc3 0-0 8. 0-0 Nxe4 9. Nxe4 d5 10. Nxc6 bxc6 11. Bxb6 axb6 12. Bd3 dxe4 13. Bxe4 Bb7 14. a3 Qf6 15. c3 Rad8 16. Qc2 Qh6 17. Rad1 Rde8 18. Bf3 Re6 19. Rd7 Rg6 20. Rxc7 Ba8 21. g3 Qf4 22. Qxg6 Qxc7 23. Qc2 Re8 24. Rd1 c5 25. Bxa8 Rxa8 26. Qd3 g6 27. Qd6 Qb7 28. Qd5 Qb8 29. Rd3 Qc7 30. Qxa8+ Kg7 31. Qd5 1-0

[Event "Sofia MGU op 12th"]
[Site "Sofia"]
[Date "2010.07.25"]
[Round "4"]
[White "Petrov, Martin"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1858"]
[BlackElo "1900"]
[PlyCount "120"]
[EventDate "2010.07.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 Bg4 7. Nbd2 0-0 8. Re1 Ne7 9. Nf1 Ng6 10. h3 Be6 11. Bb3 h6 12. Bc2 Re8 13. Be3 Bd7 14. a3 Bb6 15. Ng3 d5 16. c4 Bxe3 17. fxe3 dxc4 18. dxc4 Bc6 19. Qe2 Qe7 20. Rad1 a5 21. Rf1 Qc5 22. Kh2 Rad8 23. Nd2 Qf8 24. Nf5 Re6 25. Rf2 Ne7 26. Nxe7+ Qxe7 27. Rff1 b6 28. Nb1 Nxe4 29. Bxe4 Bxe4 30. Nc3 Bb7 31. Nd5 Bxd5 32. cxd5 Rf6 33. e4 Rdd6 34. Qg4 Qd8 35. Rc1 c6 36. Rxf6 Qxf6 37. Qc8+ Kh7 38. Qg4 cxd5 39. exd5 Qf4+ 40. Qxf4 exf4 41. Rc6 Rxd5 42. Rxb6 Rd2 43. Rb5 f3 44. Rxa5 Rxg2+ 45. Kh1 Rxb2 46. Rf5 Rb3 47. a4 Kg6 48. Rf4 Ra3 49. Kg1 f6 50. Kf2 Kf7 51. Rb4 Ke6 52. Rb7 g6 53. Ra7 Ke5 54. a5 Kf4 55. Rf7 Ra2+ 56. Ke1 Ke5 57. Re7+ Kf5 58. Re3 Rxa5 59. Rxf3+ Ke6 60. Kf2 Rf5 0-1

[Event "Sofia MGU op 12th"]
[Site "Sofia"]
[Date "2010.07.24"]
[Round "1"]
[White "Nikolov, Orlin"]
[Black "Boshkilov, Nedko"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1900"]
[PlyCount "19"]
[EventDate "2010.07.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 Bd6 4. fxe5 Nxe5 5. d4 Nc6 6. Bc4 Bb4+ 7. c3 d5 8. Bxd5 Be6 9. Bxe6 fxe6 10. cxb4 1-0

[Event "Sofia MGU op 12th"]
[Site "Sofia"]
[Date "2010.07.24"]
[Round "3"]
[White "Nikolov, Orlin"]
[Black "Ruschukov, Boyan"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "1900"]
[BlackElo "1962"]
[PlyCount "49"]
[EventDate "2010.07.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BUL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 Nbd7 9. 0-0-0 h6 10. Bh4 b5 11. Bd3 Bb7 12. Rhe1 Be7 13. Qg3 Nh5 14. Nxe6 Qxc3 15. bxc3 Nxg3 16. Nc7+ Kd8 17. Bxe7+ Kxe7 18. Nxa8 Rxa8 19. hxg3 Rc8 20. e5 dxe5 21. Bf5 Rc7 22. Rxd7+ Rxd7 23. Bxd7 Kxd7 24. Rxe5 Bxg2 25. Kb2 1-0

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.05.06"]
[Round "9"]
[White "Ljangov, Petar"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2110"]
[BlackElo "1920"]
[PlyCount "56"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Be6 7. e3 a6 8. b4 Be7 9. b5 axb5 10. Bxb5 Nxc3 11. Qxc3 0-0 12. d3 e4 13. dxe4 Bf6 14. e5 Nxe5 15. Nxe5 Qd5 16. Bb2 Qxb5 17. f4 Rfd8 18. Qb4 Bh4+ 19. g3 Qd5 20. e4 Be7 21. exd5 Bxb4+ 22. axb4 Rxa1+ 23. Bxa1 Bxd5 24. 0-0 f6 25. Ng4 Bc4 26. Rc1 Bb5 27. Bc3 Rd3 28. Kf2 Re3 1-0

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.05.05"]
[Round "8"]
[White "Nikolov, Orlin"]
[Black "Bozilov, Dragan"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1920"]
[BlackElo "1866"]
[PlyCount "74"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nc3 a6 7. Be2 Bb4 8. 0-0 Nf6 9. Nxc6 bxc6 10. Bd4 e5 11. Be3 Bxc3 12. bxc3 Nxe4 13. Bf3 Nxc3 14. Qd2 Nb5 15. a4 Nd6 16. Bc5 Nb7 17. Ba3 d5 18. Rfe1 e4 19. c4 Be6 20. cxd5 cxd5 21. Rac1 Qd7 22. Bd1 Nd6 23. Qf4 Nc4 24. Rxc4 dxc4 25. Qxe4 Rd8 26. Bc2 Qd5 27. Qh4 f6 28. Be4 Qa5 29. f4 Kf7 30. f5 Bxf5 31. Bxf5 Qxf5 32. Re7+ Kg6 33. h3 Rhe8 34. Rc7 Rd1+ 35. Kh2 Qe5+ 36. Qg3+ Qxg3+ 37. Kxg3 Re3+ 0-1

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.05.05"]
[Round "7"]
[White "Nikolov, Orlin"]
[Black "Magkias, Vasilios"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1920"]
[BlackElo "1715"]
[PlyCount "51"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. dxc5 Bxc5 7. Bd3 0-0 8. 0-0 Nc6 9. Nb3 Bd6 10. Bg5 Bg4 11. h3 Bh5 12. g4 Bg6 13. Nfd4 Be4 14. Bxe4 dxe4 15. Nf5 Bc7 16. Qe2 Ne5 17. Rad1 Nf3+ 18. Kg2 Qe8 19. Bxf6 gxf6 20. Qe3 Qe5 21. Rh1 Kh8 22. Qh6 Rg8 23. Rd5 Rg6 24. Rxe5 Rxh6 25. Rxe4 Ng5 26. Re7 1-0

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.05.03"]
[Round "5"]
[White "Rusev, Jeliazko"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2258"]
[BlackElo "1920"]
[PlyCount "86"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Nbd7 5. b3 Bb4+ 6. c3 Be7 7. Nbd2 c5 8. 0-0 b6 9. Qc2 Bb7 10. Bb2 Rc8 11. Rfe1 0-0 12. Ne5 a6 13. c4 cxd4 14. Nxd7 Qxd7 15. Bxd4 b5 16. c5 b4 17. a3 e5 18. Bxe5 Rxc5 19. Qb2 bxa3 20. Rxa3 d4 21. Bg3 dxe3 22. Rxe3 Rd5 23. b4 Bd6 24. Bc4 Bxb4 25. Qxb4 Rxd2 26. Bf1 h6 27. Re7 Qd5 28. Qxb7 Qd4 29. Qf3 Rd1 30. Be5 Qc5 31. Bxf6 Qc1 32. Qxd1 Qxd1 33. Rg3 g6 34. Rxg6+ fxg6 35. Rg7+ Kh8 36. Rd7+ Rxf6 37. Rxd1 a5 38. Rd5 a4 39. Ra5 h5 40. Rxa4 Kg7 41. Ra7+ Kh8 42. Ra6 Kg7 43. h4 Rf5 1-0

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.05.02"]
[Round "4"]
[White "Nikolov, Orlin"]
[Black "Yordanov, Hristo"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1920"]
[PlyCount "135"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Nf6 7. Nc3 Bg7 8. Be2 0-0 9. 0-0 Bd7 10. f4 e6 11. Ndb5 Na5 12. Nxd6 b6 13. Bf3 Bc6 14. b4 Nb7 15. b5 Nxd6 16. bxc6 Nxc4 17. Bf2 Qxd1 18. Raxd1 Rac8 19. Rd3 e5 20. Nd5 Nxd5 21. exd5 exf4 22. Bd4 Ne3 23. Bxg7 Kxg7 24. d6 Nxf1 25. Kxf1 Rfd8 26. d7 Rc7 27. Rd6 Kf8 28. Rf6 g5 29. Bd5 Rcxd7 30. cxd7 Rxd7 31. Bb3 Kg7 32. Rc6 Re7 33. Kf2 f6 34. Rc8 h5 35. Rg8+ Kh7 36. Rd8 Kg7 37. Ba4 h4 38. h3 Kh7 39. Rd7 Rxd7 40. Bxd7 Kg7 41. Kf3 Kf7 42. Ke4 Ke7 43. Bg4 Kd6 44. Kf5 Ke7 45. Be2 Kf7 46. Bc4+ Kg7 47. Ke6 Kg6 48. Bd3+ Kg7 49. Kd6 Kf7 50. Kd7 a5 51. Kc6 Ke6 52. Kxb6 a4 53. Kb5 a3 54. Kb4 f3 55. gxf3 f5 56. Kxa3 g4 57. Bxf5+ Kxf5 58. fxg4+ Kf4 59. Kb4 Kg3 60. g5 Kxh3 61. g6 Kh2 62. g7 Kh1 63. g8B h3 64. Bd5+ Kg1 65. a4 h2 66. a5 h1Q 67. Bxh1 Kxh1 68. a6 1-0

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.05.01"]
[Round "2"]
[White "Nikolov, Orlin"]
[Black "Spassov, Liuben"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1920"]
[BlackElo "2418"]
[PlyCount "116"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. 0-0 d6 8. Nd4 Nf6 9. c4 b6 10. Nc3 0-0 11. b3 Bb7 12. Qe2 Nbd7 13. Bb2 Re8 14. Rad1 Qc7 15. Rc1 Bf8 16. Bb1 Rac8 17. Qd3 Nc5 18. Qf3 Qb8 19. Rfe1 Qa8 20. Re3 Ncd7 21. Qe2 g6 22. Re1 Bg7 23. f4 Nh5 24. Nf3 Nxf4 25. Qd2 Qb8 26. Nd1 Bxb2 27. Nxb2 Red8 28. Rf1 e5 29. Nd3 Ne6 30. Nb4 a5 31. Nd5 Bxd5 32. exd5 Nf4 33. g3 Nh5 34. Ng5 Rf8 35. Ref3 f6 36. Ne6 Rf7 37. Qh6 b5 38. Ng5 Qa7+ 39. Kh1 Rg7 40. Ne6 Re7 41. Bxg6 hxg6 42. Qxg6+ Ng7 43. Rf5 Nf8 44. Nxf8 Rxf8 45. Rh5 bxc4 46. bxc4 Qe3 47. h4 Qe2 48. Rff5 Rb7 49. Qh7+ Kf7 50. Rxf6+ Kxf6 51. Rh6+ Ke7 52. Qxg7+ Rf7 53. Re6+ Kd8 54. Qg8+ Kc7 55. Qxf7+ Kb8 56. Qf8+ Ka7 57. Qf5 e4 58. Rxe4 Rb1+ 0-1

[Event "Bobotsov Memorial 2nd"]
[Site "Sofia"]
[Date "2010.04.30"]
[Round "1"]
[White "Manov, Jordan"]
[Black "Nikolov, Orlin"]
[Result "0-1"]
[ECO "D11"]
[BlackElo "1920"]
[PlyCount "74"]
[EventDate "2010.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 c6 4. Nc3 dxc4 5. e4 Bg4 6. Bxc4 e6 7. Be3 Nf6 8. Rc1 Bb4 9. Qc2 Bh5 10. a3 Bxc3+ 11. bxc3 b5 12. Bd3 Bg6 13. 0-0 Nbd7 14. Bf4 0-0 15. Bd6 Re8 16. e5 Bxd3 17. Qxd3 Nd5 18. Ng5 Qxg5 19. g3 N7b6 20. f4 Qf5 21. Qf3 h5 22. Rf2 Nc4 23. Bc5 a5 24. Re1 a4 25. Kg2 Qg4 26. h3 Qxf3+ 27. Kxf3 Nxc3 28. g4 h4 29. g5 Nd5 30. Kg4 b4 31. axb4 a3 32. Kxh4 Reb8 33. f5 Nxb4 34. fxe6 fxe6 35. Ref1 Ne3 36. Rc1 Nd3 37. Bd6 Nxc1 0-1

[Event "Baharov Memorial op 15th"]
[Site "Sofia"]
[Date "2007.11.30"]
[Round "6"]
[White "Markaryan, Garo"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "D21"]
[BlackElo "1926"]
[PlyCount "81"]
[EventDate "2007.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 b5 5. a4 c6 6. b3 a5 7. bxc4 b4 8. Be2 Nd7 9. 0-0 Ngf6 10. Bb2 c5 11. Nbd2 Bb7 12. Nb3 Be7 13. dxc5 Nxc5 14. Nfd4 e5 15. Nb5 Qxd1 16. Bxd1 Nd3 17. Nc7+ Kd7 18. Nxa8 Nxb2 19. Nb6+ Kc7 20. c5 Ba6 21. Re1 Nd3 22. Be2 Nxe1 23. Bxa6 Bxc5 24. Nc4 Ra8 25. Nxc5 Nc2 26. Rc1 Na3 27. Nxa3 bxa3 28. Bb5 Kb6 29. Nd7+ Nxd7 30. Bxd7 Rd8 31. Bb5 Rd2 32. g3 Rb2 33. Kg2 a2 34. Ra1 Kc5 35. Be8 Kb4 36. Bxf7 Ka3 37. h4 g6 38. g4 Rd2 39. Rxa2+ Rxa2 40. Bxa2 Kxa2 41. f4 1-0

[Event "Baharov Memorial op 15th"]
[Site "Sofia"]
[Date "2007.11.30"]
[Round "5"]
[White "Nikolov, Orlin"]
[Black "Punchev, Ivan"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1926"]
[PlyCount "73"]
[EventDate "2007.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 c6 3. dxc6 Nxc6 4. g3 e5 5. Bg2 Bc5 6. d3 Qf6 7. Nf3 h6 8. 0-0 Nge7 9. Nc3 Bf5 10. Bd2 0-0 11. Rc1 Bb6 12. Be3 Rad8 13. Qb3 Na5 14. Qb5 Ng6 15. Nd5 Qd6 16. Nxb6 axb6 17. Bxb6 Nc6 18. Bxd8 Rxd8 19. Qxb7 Nb4 20. Qc7 Qf6 21. a3 Nd5 22. Qc6 Rd6 23. Qa8+ Kh7 24. e4 Nb6 25. Qa5 Bg4 26. Nd2 Be2 27. Rfe1 Bxd3 28. Re3 h5 29. Rc7 h4 30. Rf3 Nf4 31. gxf4 exf4 32. e5 Qe6 33. exd6 Qe1+ 34. Nf1 Qxa5 35. Rxd3 Qf5 36. Rd4 h3 37. Be4 1-0

[Event "Baharov Memorial op 15th"]
[Site "Sofia"]
[Date "2007.11.29"]
[Round "4"]
[White "Toshev, Vladimir"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "B84"]
[BlackElo "1926"]
[PlyCount "63"]
[EventDate "2007.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Nbd7 8. Qd2 Qc7 9. f3 b5 10. 0-0-0 b4 11. Na4 Qa5 12. b3 Bb7 13. Kb1 Be7 14. g4 0-0 15. g5 Ne8 16. h4 Nc7 17. Nb2 d5 18. a4 Nb5 19. Nxb5 axb5 20. Bxb5 Ne5 21. Qf2 Qc7 22. exd5 Bxd5 23. Rh3 Rfc8 24. Rg3 Qb7 25. f4 Nc6 26. f5 Na7 27. Bd3 Rc3 28. Bd4 Nc6 29. fxe6 fxe6 30. Bxh7+ Kxh7 31. g6+ Kg8 32. Bxg7 1-0

[Event "Baharov Memorial op 15th"]
[Site "Sofia"]
[Date "2007.11.28"]
[Round "2"]
[White "Ivanov, Stojan"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2149"]
[BlackElo "1926"]
[PlyCount "59"]
[EventDate "2007.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 a6 7. Nbd2 c5 8. c4 Ne7 9. cxd5 Nxd5 10. Nc4 b5 11. Ne3 Nxe3 12. Bxe3 Be7 13. a4 bxa4 14. Rxa4 0-0 15. Rxa6 Rxa6 16. Bxa6 Qb6 17. Qa4 cxd4 18. Nxd4 Nc5 19. Nc6 Bd8 20. Qb5 Qxa6 21. Qxc5 Re8 22. b4 Bd3 23. Rd1 Qa3 24. Qd6 Bb5 25. Nxd8 Qa8 26. Qc7 Qe4 27. Qxf7+ Kh8 28. Nxe6 Qg4 29. Rd6 Ra8 30. h3 1-0

[Event "Baharov Memorial op 15th"]
[Site "Sofia"]
[Date "2007.11.28"]
[Round "3"]
[White "Nikolov, Orlin"]
[Black "Sofranov, Velizar"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1926"]
[PlyCount "86"]
[EventDate "2007.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nf3 d6 7. Bg5 h6 8. Bd2 Be6 9. Rc1 0-0 10. Rc2 Nd7 11. a3 f5 12. h4 Nf6 13. Qc1 e4 14. dxe4 fxe4 15. Nxe4 Nxe4 16. Bxh6 Bxh6 17. Qxh6 Qf6 18. Qe3 Bf5 19. g4 Nxf2 20. gxf5 Qxf5 21. Kxf2 Qxc2 22. h5 Rae8 23. Qd3 Qxd3 24. exd3 gxh5 25. Rxh5 Ne5 26. Rg5+ Kh7 27. Rg3 Nxd3+ 28. Kg1 Nf4 29. Ng5+ Kh6 30. Bf3 Ne2+ 31. Bxe2 Rxe2 32. b4 Rf4 33. c5 dxc5 34. bxc5 Kh5 35. Nf3 Rg4 36. Kf1 Rxg3 37. Kxe2 Rg2+ 38. Ke3 Ra2 39. Ke4 Rxa3 40. Nd4 Ra4 41. Kd5 Rxd4+ 42. Kxd4 Kg6 43. Kd5 Kf6 0-1

[Event "Baharov Memorial op 15th"]
[Site "Sofia"]
[Date "2007.11.27"]
[Round "1"]
[White "Nikolov, Orlin"]
[Black "Dragieva, Stanimira"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1926"]
[PlyCount "89"]
[EventDate "2007.11.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nf3 d6 6. 0-0 0-0 7. d3 a6 8. Bg5 Be6 9. Ne4 b5 10. Nh4 d5 11. cxd5 Bxd5 12. Nxc5 Bxg2 13. Kxg2 Qd5+ 14. Ne4 Nxe4 15. dxe4 Qxe4+ 16. Nf3 Nd4 17. Be3 Rad8 18. Bxd4 Rxd4 19. Qc1 c6 20. Qe3 Qd5 21. Qxe5 Qxe5 22. Nxe5 Re4 23. Nxc6 Rxe2 24. Rab1 Rc8 25. Rfe1 Rxe1 26. Rxe1 Kf8 27. Nd4 g6 28. Re2 Rd8 29. Nc6 Rd6 30. Rc2 Ke8 31. Kf3 Rf6+ 32. Ke4 h5 33. Ne5 Rd6 34. f4 Rd1 35. Rc8+ Ke7 36. Rc7+ Ke8 37. Rxf7 Rd2 38. Ra7 Rxb2 39. Rxa6 Rxh2 40. Nxg6 Rg2 41. Kf3 Rd2 42. Ra7 Rd6 43. f5 Rd7 44. Rxd7 Kxd7 45. Ke4 1-0

[Event "Sofia Hemus op 18th "]
[Site "Sofia"]
[Date "2004.11.13"]
[Round "2.4"]
[White "Dobrev, Petko"]
[Black "Nikolov, Orlin"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2015"]
[BlackElo "1910"]
[PlyCount "134"]
[EventDate "2004.11.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. 0-0 d6 6. a3 Bg4 7. c3 0-0 8. Bg5 Ne7 9. Nbd2 Ng6 10. b4 Bb6 11. a4 a5 12. Be3 Nh5 13. Qb3 Nh4 14. Bg5 Nxf3+ 15. Nxf3 Qd7 16. Nd2 Rae8 17. Be3 Be6 18. Bxb6 cxb6 19. bxa5 bxa5 20. f3 Nf4 21. Qc2 Qd8 22. g3 Nh3+ 23. Kg2 Ng5 24. Kf2 f5 25. h4 Qb6+ 26. Ke2 Nf7 27. Qb3 Qxb3 28. Bxb3 Nd8 29. Bxe6+ Rxe6 30. exf5 Rxf5 31. g4 Rf7 32. Rab1 d5 33. Rb5 Rd7 34. Nb3 b6 35. Nd2 Nb7 36. Rfb1 Rdd6 37. c4 d4 38. Ne4 Rc6 39. Ng5 Re8 40. Rxb6 Rxb6 41. Rxb6 Nc5 42. Rb5 Nxa4 43. Rxa5 Nc3+ 44. Kd2 h6 45. Ne4 Rb8 46. Nxc3 Rb2+ 47. Kc1 dxc3 48. Ra3 Rf2 49. Rxc3 Rxf3 50. c5 Rf8 51. c6 Kf7 52. c7 Rc8 53. Rc6 Ke7 54. Kd2 Kd7 55. Rg6 Rg8 56. Ke3 Kxc7 57. Ke4 Kd7 58. Kxe5 Re8+ 59. Kd5 Re7 60. d4 Rf7 61. Kc5 Kc7 62. d5 Kd7 63. Ra6 Kc8 64. Kc6 Rf6+ 65. d6 Kb8 66. Kd7 Kb7 67. Ra4 Kb6 1-0

[Event "Sofia Hemus op 18th "]
[Site "Sofia"]
[Date "2004.11.13"]
[Round "1.3"]
[White "Nikolov, Orlin"]
[Black "Slavov, Stanislav"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1910"]
[BlackElo "2070"]
[PlyCount "72"]
[EventDate "2004.11.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BUL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 Be6 10. Nc4 f5 11. exf5 Bxf5 12. Ne3 Be6 13. Ncd5 Bg7 14. c3 0-0 15. Bd3 Bxd5 16. Nxd5 f5 17. Qh5 e4 18. Bc2 Qe8 19. Qh3 Qe5 20. Bb3 Kh8 21. Nc7 e3 22. Nxa8 exf2+ 23. Kxf2 Rxa8 24. Rhe1 Qf4+ 25. Kg1 Qd2 26. Qxf5 Rf8 27. Qd7 Ne5 28. Qe6 Qf2+ 29. Kh1 Nd3 30. Qe3 Nxe1 31. Qxf2 Rxf2 32. Rxe1 Be5 33. Rb1 b5 34. Kg1 Re2 35. Bd5 Bf4 36. Bb7 Be3+ 1-0

