[Event "Sofia-ch U26"]
[Site "Sofia"]
[Date "2013.11.10"]
[Round "6"]
[White "Ivanov, Pencho"]
[Black "Petkov, Iskren"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "72"]
[EventDate "2013.11.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Be3 a6 7. Qf3 Be7 8. Qxf6 Bxf6 9. Nf3 Nc6 10. 0-0-0 0-0 11. Bc4 b5 12. Bb3 Na5 13. d5 Nxb3+ 14. axb3 Rd8 15. dxe6 Bxe6 16. Nd4 Bd5 17. f3 Rac8 18. Nf5 g6 19. Nh6+ Kg7 20. h4 Be6 21. Bg5 Bxg5+ 22. hxg5 Rd5 23. Rxd5 Bxd5 24. Re1 Be6 25. Kd2 c5 26. Re5 Rd8+ 27. Ke3 Rd5 28. f4 c4 29. b4 Kf8 30. Rxd5 Bxd5 31. g3 Kg7 32. Kd4 Bf3 33. Kc5 Bd1 34. c3 f6 35. Kb6 f5 36. Kxa6 Ba4 1/2-1/2

[Event "Sofia-ch U26"]
[Site "Sofia"]
[Date "2013.11.09"]
[Round "5"]
[White "Petkov, Iskren"]
[Black "Hristov, Vladimir"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1599"]
[PlyCount "36"]
[EventDate "2013.11.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 e5 4. d5 g6 5. Bg5 Bg7 6. Bb5+ c6 7. dxc6 Nxc6 8. Nc3 a6 9. Be2 Qc7 10. a4 0-0 11. Qd2 Bd7 12. Bh6 Nd4 13. Bxg7 Kxg7 14. b3 Rac8 15. Bc4 b5 16. Nd5 Nxd5 17. Bxd5 Nxc2+ 18. Kf2 Nxa1 0-1

[Event "Sofia-ch U26"]
[Site "Sofia"]
[Date "2013.11.09"]
[Round "4"]
[White "Stoyanov, Alek"]
[Black "Petkov, Iskren"]
[Result "0-1"]
[ECO "A17"]
[PlyCount "34"]
[EventDate "2013.11.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 Nc6 5. a3 Be7 6. Nd4 Nxd4 7. exd4 d5 8. g4 dxc4 9. Qf3 0-0 10. Qe3 Nd5 11. Qg3 Bd6 12. Qg2 Nf4 13. Qf3 Qf6 14. Qe3 Re8 15. g5 Qxg5 16. Qg3 Nd3+ 17. Bxd3 Bxg3 0-1

[Event "Sofia-ch U26"]
[Site "Sofia"]
[Date "2013.11.08"]
[Round "3"]
[White "Petkov, Iskren"]
[Black "Filipov, Daniel"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1879"]
[PlyCount "62"]
[EventDate "2013.11.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Nf3 Nf6 6. h3 0-0 7. Bg5 b5 8. Bd3 b4 9. Ne2 Ba6 10. Ng3 Nfd7 11. Qd2 c5 12. Bxa6 Nxa6 13. Bh6 cxd4 14. Bxg7 Kxg7 15. Qxd4+ Nf6 16. 0-0 Rc8 17. Qxa7 Nc5 18. e5 Ra8 19. exf6+ exf6 20. Qxa8 Qxa8 21. a3 Qb7 22. a4 b3 23. c3 Ra8 24. a5 Qc7 25. Ra3 Rxa5 26. Rfa1 Rxa3 27. Rxa3 Qe7 28. Nd4 Qe1+ 29. Nf1 Nd3 30. f3 Qf2+ 31. Kh2 Qxf1 0-1

[Event "Sofia-ch U26"]
[Site "Sofia"]
[Date "2013.11.07"]
[Round "2"]
[White "Peev, Martin"]
[Black "Petkov, Iskren"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1870"]
[PlyCount "65"]
[EventDate "2013.11.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. b4 e5 4. Nxe5 Qe7 5. Nd3 Bf5 6. e3 Bxd3 7. Bxd3 dxe3 8. 0-0 exf2+ 9. Rxf2 Qxb4 10. Ba3 Qb6 11. Bxf8 Kxf8 12. Nc3 Nf6 13. Qf3 Nbd7 14. Rb1 Qc6 15. Rxb7 Qxf3 16. Rxf3 c6 17. Bf1 c5 18. Nd5 Ne5 19. Ra3 a5 20. Nb6 Ra6 21. Rb8+ Ne8 22. Re3 f6 23. Nd7+ Kf7 24. Nxc5 Rc6 25. d4 Ng4 26. Reb3 Rc7 27. h3 Nh6 28. g4 g5 29. R3b7 Rg8 30. Rxc7+ Nxc7 31. Rb7 Kg6 32. Bd3+ f5 33. Rxc7 1-0

[Event "Sofia-ch U26"]
[Site "Sofia"]
[Date "2013.11.06"]
[Round "1"]
[White "Petkov, Iskren"]
[Black "Sirkova, Darena"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1951"]
[PlyCount "60"]
[EventDate "2013.11.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. Nf3 Nbd7 6. Bc4 c6 7. Ng5 0-0 8. 0-0 b5 9. Bb3 b4 10. Ne2 h6 11. Nf3 Nxe4 12. Qd3 d5 13. a3 bxa3 14. Rxa3 a5 15. c4 Ba6 16. Qc2 Rc8 17. Nd2 Nd6 18. Ba4 Nxc4 19. Nxc4 Bxc4 20. b3 Bxe2 21. Qxe2 Bxd4 22. Bxh6 Re8 23. Rc1 Qb6 24. Ra2 Nc5 25. Rb1 Ne4 26. Be3 Bxe3 27. Qxe3 Qxe3 28. fxe3 Nc3 29. Rab2 Nxb1 30. Rxb1 e5 0-1

