[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.25"]
[Round "7"]
[White "Benes, Matej"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1387"]
[BlackElo "1383"]
[PlyCount "89"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 Nxd4 8. Bxd4 Bxd4 9. cxd4 c6 10. Ba4 0-0 11. 0-0 d6 12. f4 d5 13. e5 Qg6 14. Bc2 Bf5 15. Na3 Be4 16. Qe2 Rad8 17. Rad1 f5 18. b4 a6 19. Rf2 Nc8 20. Qe3 Nb6 21. Bxe4 fxe4 22. Qh3 Rde8 23. Rdf1 Qe6 24. f5 Qd7 25. Qg3 Kh8 26. f6 gxf6 27. Rxf6 Rxf6 28. Rxf6 Qg7 29. Qf4 Rg8 30. g3 Nd7 31. Rf7 Rf8 32. e6 Rxf7 33. exf7 Qf8 34. Qf5 Qxb4 35. Qxd7 Kg7 36. Qe8 Qxd4+ 37. Kg2 Qd2+ 38. Kh3 Qb4 39. Qg8+ Kf6 40. f8Q+ Qxf8 41. Qxf8+ Ke5 42. Qe7+ Kd4 43. Qxb7 e3 44. Nc2+ Ke4 45. Qxc6 1-0

[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.25"]
[Round "6"]
[White "Lang, David"]
[Black "Heger, Jan"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1383"]
[BlackElo "1357"]
[PlyCount "66"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 g6 2. c3 Bg7 3. d4 Nf6 4. Qc2 b6 5. Bc4 Bb7 6. f3 d5 7. Bd3 dxe4 8. fxe4 0-0 9. Bf4 Nbd7 10. Nd2 c5 11. 0-0-0 cxd4 12. Kb1 dxc3 13. Qxc3 Nxe4 14. Bxe4 Bxe4+ 15. Nxe4 Bxc3 16. Nxc3 Qc8 17. Nf3 Nc5 18. Nd5 Qf5+ 19. Ka1 Rfe8 20. Bg3 Ne6 21. Rhe1 Rac8 22. Nc3 Red8 23. Rc1 Qa5 24. Re5 b5 25. a3 Nc5 26. Kb1 Nd3 27. Rxb5 Qxb5 28. Nxb5 Rxc1+ 29. Ka2 Rc2 30. a4 Rxb2+ 31. Ka3 Rxg2 32. Nfd4 Rxd4 33. Nxd4 f5 0-1

[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.25"]
[Round "5"]
[White "Maronczak, Jiri"]
[Black "Lang, David"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1283"]
[BlackElo "1383"]
[PlyCount "86"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. 0-0 0-0 7. Bb3 d6 8. Re1 Bg4 9. Nbd2 Qd7 10. Nf1 a6 11. Ng3 Ne7 12. h3 Nh5 13. Be3 Bxf3 14. Qxf3 Bxe3 15. Qxe3 Nf4 16. Rad1 Nfg6 17. Qf3 Kh8 18. d4 Qe8 19. Nf5 f6 20. Nxe7 Nxe7 21. Qg4 g6 22. dxe5 fxe5 23. Re3 g5 24. Rdd3 Ng6 25. g3 Kg7 26. Rf3 Qe7 27. Rxf8 Rxf8 28. Rf3 b6 29. Rxf8 Nxf8 30. h4 a5 31. hxg5 Qxg5 32. Qf3 Qf6 33. Qg4+ Ng6 34. Qe6 Qxe6 35. Bxe6 Kf6 36. Bd7 Kg5 37. Kg2 h5 38. Kf3 h4 39. Bb5 Ne7 40. Bd7 hxg3 41. fxg3 Ng6 42. Ke3 Kf6 43. Kd3 Ke7 1/2-1/2

[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.24"]
[Round "3"]
[White "Kubice, Jakub"]
[Black "Lang, David"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1414"]
[BlackElo "1383"]
[PlyCount "34"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 b6 5. Nc3 dxc4 6. Qxc4 Nf6 7. Ne5 Bd6 8. Qa4+ Ke7 9. e4 Nxe4 10. g4 Nxc3 11. bxc3 Bxe5 12. dxe5 Qd5 13. Ba3+ c5 14. Rg1 Qxe5+ 15. Kd2 Rd8+ 16. Kc1 Qe1+ 17. Kb2 Rd2+ 0-1

[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.24"]
[Round "4"]
[White "Lang, David"]
[Black "Sulc, Jakub"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1383"]
[BlackElo "1544"]
[PlyCount "40"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 c6 5. Nf3 Bd6 6. Bd3 Be6 7. 0-0 Nf6 8. Re1 0-0 9. Ne2 Nbd7 10. h3 Qc7 11. Qd2 h6 12. Nf4 Rfe8 13. Nxe6 Rxe6 14. Rxe6 fxe6 15. c3 Re8 16. Qc2 e5 17. dxe5 Nxe5 18. Nd4 Nxd3 19. Qxd3 Re1+ 20. Qf1 Bh2+ 0-1

[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.24"]
[Round "2"]
[White "Lang, David"]
[Black "Zeman, Lukas"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1383"]
[BlackElo "1395"]
[PlyCount "62"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 b6 9. b4 Bxd4 10. Bxd4 Nxd4 11. cxd4 Nc6 12. a3 Qxd4 13. Qxd4 Nxd4 14. Nc3 Ne6 15. g3 Bb7 16. Bxe6 dxe6 17. e5 a6 18. Rfd1 Rfd8 19. f4 Kf8 20. Kf2 Ke7 21. Ke3 Rxd1 22. Rxd1 Rd8 23. Rxd8 Kxd8 24. Kd4 Kd7 25. Nd1 Kc6 26. Kc4 a5 27. bxa5 bxa5 28. Nc3 Ba6+ 29. Kd4 Bb5 30. Na2 Ba6 31. Nc3 Bb5 1/2-1/2

[Event "Mlada Boleslav Region-ch U16"]
[Site "Mlada Boleslav"]
[Date "2017.06.24"]
[Round "1"]
[White "Lhotsky, Ftantisek"]
[Black "Lang, David"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1248"]
[BlackElo "1383"]
[PlyCount "152"]
[EventDate "2017.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. 0-0 Be7 6. c3 0-0 7. Nbd2 a6 8. Ba4 Bd7 9. Bc2 h6 10. h3 Nh7 11. Re1 Qc8 12. Kh2 g5 13. Rh1 f5 14. exf5 Rxf5 15. Ne4 Qf8 16. Ng3 Rf7 17. Be3 d5 18. Qe2 Re8 19. d4 e4 20. Nd2 Bd6 21. Kg1 Bxg3 22. fxg3 Nf6 23. Rf1 Ne7 24. g4 Ng6 25. Bb3 c6 26. c4 Kg7 27. g3 b5 28. cxb5 axb5 29. Bd1 Qd6 30. Kg2 Ref8 31. Nb3 Bc8 32. Nc5 Nd7 33. Nxd7 Bxd7 34. Rxf7+ Rxf7 35. Rf1 Rxf1 36. Qxf1 Qf6 37. a4 bxa4 38. Bxa4 Nf8 39. Qxf6+ Kxf6 40. b4 Ke6 41. h4 Nh7 42. Bd1 Kd6 43. Be2 Kc7 44. Kf2 Kb6 45. Kg2 Bc8 46. Kf2 Ba6 47. Bxa6 Kxa6 48. Bd2 Kb5 49. Ke2 Kc4 50. Ke3 Nf8 51. Be1 Ne6 52. Bd2 Nxd4 53. Bc1 Ne6 54. Bd2 c5 55. bxc5 Kxc5 56. Bc3 Kc4 57. Bf6 Kb3 58. Kd2 d4 59. Bxd4 Nxd4 60. Ke3 Kc3 61. hxg5 hxg5 62. Kxe4 Kc4 63. Ke5 Kd3 64. Kf6 Nf3 65. Kf5 Ke3 66. Kf6 Kf2 67. Kg6 Kxg3 68. Kf5 Kh4 69. Ke4 Kxg4 70. Ke3 Kh3 71. Kxf3 g4+ 72. Kf4 g3 73. Kg5 g2 74. Kh6 g1Q 75. Kh7 Qg5 76. Kh8 Qe7 0-1

[Event "CZE-chT U18 Extraliga final-B 1617"]
[Site "Czech Republic"]
[Date "2017.04.23"]
[Round "11.6"]
[White "Lang, David"]
[Black "Hartingerova, Martina"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1407"]
[BlackElo "1657"]
[PlyCount "84"]
[EventDate "2016.10.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bustehrad U18"]
[BlackTeam "Hostalkova U18"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 d6 2. Nf3 g6 3. d4 Bg7 4. Bf4 Nc6 5. c3 Nf6 6. Nbd2 0-0 7. h3 Nh5 8. Bh2 Qe8 9. Qc1 f5 10. Bc4+ Kh8 11. e5 f4 12. e6 Na5 13. Bd5 c6 14. Be4 Bxe6 15. 0-0 Nc4 16. Re1 Nxd2 17. Qxd2 Qd7 18. Ng5 Bg8 19. Bf3 Qf5 20. Ne4 Bh6 21. Bxh5 gxh5 22. f3 Rf7 23. Qf2 Rg7 24. Qh4 b6 25. Kh1 Be6 26. Rg1 Rag8 27. Qf2 Bd7 28. Rae1 c5 29. dxc5 bxc5 30. b3 Rg6 31. c4 Bg7 32. Qh4 Bd4 33. Nf2 e5 34. Ne4 Bxg1 35. Rxg1 Bc6 36. Qe1 a5 37. Qe2 a4 38. Nc3 axb3 39. axb3 Qd7 40. Qe1 Qb7 41. Qd1 Rb8 42. Ne2 Bxf3 0-1

[Event "CZE-chT U18 Extraliga final-B 1617"]
[Site "Czech Republic"]
[Date "2017.04.22"]
[Round "9.6"]
[White "Lang, David"]
[Black "Svanda, Adam"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1407"]
[BlackElo "1617"]
[PlyCount "94"]
[EventDate "2016.10.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bustehrad U18"]
[BlackTeam "Policka Stefanydes U18"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nf6 5. Bd3 e6 6. Bf4 Nc6 7. Nbd2 Be7 8. c3 0-0 9. Ne5 Bd7 10. 0-0 a6 11. Ndf3 b5 12. a3 Qb6 13. Qc2 g6 14. Bg5 Rfd8 15. Nxg6 hxg6 16. Bxg6 Kg7 17. Nh4 Rg8 18. Bd3 Kf8 19. Bh6+ Ke8 20. Bh7 Rh8 21. Bg7 Rxh7 22. Bxf6 Rxh4 23. Bxh4 Bxh4 24. Qh7 Be7 25. Qg8+ Bf8 26. Rfe1 Ne7 27. Qh8 Ng6 28. Qh5 Kd8 29. Qf3 Be8 30. Re2 Ra7 31. Rae1 Re7 32. b4 Qd6 33. g3 Bg7 34. h4 f5 35. h5 Nf8 36. Kf1 Nh7 37. Qh1 Bh6 38. Qh4 Ng5 39. Kg2 Kd7 40. f3 Rg7 41. Kf2 Bf7 42. f4 Ne4+ 43. Rxe4 dxe4 44. Re3 Qe7 45. Qh2 Rg4 46. Re1 Qd6 47. Re3 Bxf4 0-1

[Event "CZE-chT U18 Extraliga final-B 1617"]
[Site "Czech Republic"]
[Date "2017.04.22"]
[Round "10.6"]
[White "Zitny, Michal"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1744"]
[BlackElo "1407"]
[PlyCount "77"]
[EventDate "2016.10.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brno Lokomotiva U18"]
[BlackTeam "Bustehrad U18"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. d4 d5 2. c4 dxc4 3. Nf3 Bf5 4. Nc3 Nf6 5. e3 e6 6. Bxc4 c6 7. Qb3 Qc7 8. Bd2 Nbd7 9. 0-0 Ne4 10. Ne2 Bg4 11. Bb4 Bxb4 12. Qxb4 a5 13. Qb3 Bxf3 14. gxf3 Nd2 15. Qc3 Nxf1 16. Rxf1 Nf6 17. Kh1 Nd5 18. Qd2 b5 19. Bb3 Qe7 20. e4 Nb6 21. Qc3 Qc7 22. Rc1 a4 23. Bd1 Rc8 24. Ng3 Qd7 25. Be2 0-0 26. Nh5 f6 27. Rg1 Rf7 28. Rxg7+ Kf8 29. Qc5+ Qe7 30. Rxf7+ Kxf7 31. Qxb6 Rc7 32. Ng3 a3 33. bxa3 Ra7 34. Qxc6 Rxa3 35. Qxb5 Rxa2 36. d5 e5 37. Kg2 Ra8 38. d6 Qxd6 39. Qb7+ 1-0

[Event "CZE-chT U18 Extraliga final-B 1617"]
[Site "Czech Republic"]
[Date "2017.04.21"]
[Round "8.6"]
[White "Fojt, Petr"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1612"]
[BlackElo "1407"]
[PlyCount "77"]
[EventDate "2016.10.01"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Jicin U18"]
[BlackTeam "Bustehrad U18"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nf6 5. Bg5 Bb4 6. a3 Bxc3+ 7. bxc3 h6 8. Bh4 Qe7 9. Qc2 Bd7 10. e3 dxc4 11. Bxc4 e5 12. 0-0 0-0 13. Rfe1 Bg4 14. Nd2 Qd6 15. Ba2 Na5 16. h3 Bh5 17. g4 Bxg4 18. hxg4 Nxg4 19. Ne4 Qd7 20. f3 exd4 21. exd4 Kh8 22. Qg2 f5 23. Nc5 Qc6 24. fxg4 Qxg2+ 25. Kxg2 fxg4 26. Bd5 c6 27. Ba2 Rf3 28. Rac1 Raf8 29. Rf1 g5 30. Bg3 h5 31. Ne6 Rxf1 32. Rxf1 Rxf1 33. Kxf1 h4 34. Bc7 b6 35. Nxg5 Kg7 36. Be6 Kg6 37. Ne4 g3 38. Kg2 Nb7 39. Nd6 1-0

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.21"]
[Round "7"]
[White "Balicz, Oldrich"]
[Black "Lang, David"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1113"]
[BlackElo "1323"]
[PlyCount "82"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e3 Nc6 2. Nf3 Nf6 3. Bb5 d5 4. Nc3 Bd7 5. d3 a6 6. Bxc6 Bxc6 7. Qe2 e6 8. Bd2 Bd6 9. 0-0-0 0-0 10. h4 Re8 11. d4 Qd7 12. Rdg1 e5 13. dxe5 Bxe5 14. Ng5 h6 15. Nge4 dxe4 16. f4 Bxc3 17. Bxc3 Bb5 18. Qf2 Ng4 19. Qg3 h5 20. a3 Rad8 21. b3 Qc6 22. Kb2 Nf6 23. f5 Be2 24. Re1 Bg4 25. Qf2 Nd5 26. Bd4 a5 27. f6 g6 28. c4 Nb6 29. Qf4 Nd7 30. Ref1 Kh7 31. Qg5 Qd6 32. g3 Ne5 33. Rf4 Nd3+ 34. Kc3 Nxf4 35. gxf4 a4 36. b4 b6 37. c5 bxc5 38. bxc5 Qa6 39. Rd1 Bxd1 40. Kb2 Rb8+ 41. Ka2 Qe2+ 0-1

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.21"]
[Round "5"]
[White "Harcuba, Adam"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1519"]
[BlackElo "1323"]
[PlyCount "85"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bb4 5. d3 d5 6. Bb5 Qd6 7. Bd2 Bd7 8. exd5 Nxd5 9. Nxd5 Bxd2+ 10. Qxd2 Qxd5 11. Bc4 Qd6 12. 0-0 0-0 13. c3 Bg4 14. Qe3 Rad8 15. Rad1 Qf6 16. Bb5 Ne7 17. Rfe1 Bxf3 18. Qxf3 Qxf3 19. gxf3 f6 20. d4 Ng6 21. Bd3 Nf4 22. Bc4+ Kh8 23. dxe5 Rxd1 24. Rxd1 fxe5 25. Rd7 Rc8 26. Re7 Ng6 27. Rd7 e4 28. Be6 Nf8 29. Re7 Nxe6 30. Rxe6 exf3 31. Re3 Rf8 32. h3 Kg8 33. Re7 Rc8 34. Kh2 b6 35. Kg3 a5 36. Kxf3 c5 37. Rb7 Rc6 38. a3 h6 39. Ke4 Kh7 40. f4 Kg6 41. Ke5 Rf6 42. f5+ Rxf5+ 43. Ke4 1-0

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.21"]
[Round "6"]
[White "Lang, David"]
[Black "Stepan, Vojtech"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1323"]
[BlackElo "1294"]
[PlyCount "69"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Nxc6 bxc6 7. Bd3 h6 8. 0-0 d6 9. h3 Be6 10. Qe2 0-0 11. Be3 Bxe3 12. Qxe3 Qd7 13. e5 Nd5 14. Nxd5 Bxd5 15. c4 Be6 16. Rad1 Rfd8 17. b3 Bf5 18. Be2 Qe6 19. Bf3 Qxe5 20. Bxc6 Rac8 21. Qxa7 Qf6 22. Qe3 Qg6 23. a4 Bc2 24. Ra1 Rb8 25. Ra3 Rb6 26. Bb5 c6 27. a5 Rb7 28. Rc1 Be4 29. g3 Ra8 30. Re1 f5 31. Qf4 Rba7 32. a6 Qf6 33. g4 Qc3 34. gxf5 Qxe1+ 35. Kh2 0-1

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.20"]
[Round "3"]
[White "Kronowetter, Ales"]
[Black "Lang, David"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1253"]
[BlackElo "1323"]
[PlyCount "36"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 dxc4 4. Qa4+ Bd7 5. Qxc4 Bc6 6. b4 e6 7. Bf4 Bd6 8. Be5 0-0 9. b5 Bd5 10. Nxd5 Nxd5 11. a3 Bxe5 12. dxe5 c6 13. bxc6 Qa5+ 14. Kd1 Nxc6 15. g3 Nxe5 16. Qc2 Rfd8 17. Qb2 Ne3+ 18. Kc1 Qe1# 0-1

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.20"]
[Round "4"]
[White "Lang, David"]
[Black "Dome, Michal"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1323"]
[BlackElo "1149"]
[PlyCount "65"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 d6 6. Bb5 Bd7 7. 0-0 Be7 8. Qd3 0-0 9. Bxc6 Bxc6 10. Nxc6 bxc6 11. Bg5 Re8 12. Rad1 Rb8 13. b3 Qd7 14. f4 Qd8 15. Qe2 Nd7 16. Bxe7 Qxe7 17. Rde1 Nb6 18. Qf3 Qd7 19. Re2 d5 20. e5 Re7 21. Rfe1 Rbe8 22. a4 a5 23. Qf2 d4 24. Rd1 c5 25. Ne4 Qc6 26. Qg3 Kh8 27. Nf2 Nd5 28. Rd3 Qh6 29. Nh3 f6 30. Qf3 Nb6 31. Qc6 fxe5 32. Qxc5 Qe6 33. Qxa5 0-1

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.20"]
[Round "2"]
[White "Lang, David"]
[Black "Mezera, Matej"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1323"]
[BlackElo "1607"]
[PlyCount "82"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. g3 Nc6 8. Bb5 Bd7 9. Bxc6 bxc6 10. 0-0 0-0 11. Qf3 Rb8 12. Rab1 c5 13. Nde2 Qa5 14. Bg5 Be6 15. b3 c4 16. Bd2 Qc7 17. Nd5 Nxd5 18. exd5 Bf5 19. Bc3 cxb3 20. axb3 Bxc3 21. Qxc3 Qxc3 22. Nxc3 Bxc2 23. Ra1 Rxb3 24. Nb1 Kg7 25. Na3 Bd3 26. Rfe1 Kf6 27. Re3 Rfb8 28. Rd1 Rxa3 29. Rexd3 Rxd3 30. Rxd3 a5 31. Ra3 Ra8 32. f4 Kf5 33. Ra4 e6 34. Kf2 exd5 35. Ke3 Ke6 36. Kd4 f5 37. Ra1 a4 38. Re1+ Kd7 39. Kxd5 a3 40. Ra1 a2 41. h3 h5 0-1

[Event "Mlada Boleslav Region-ch"]
[Site "Mlada Boleslav"]
[Date "2015.06.20"]
[Round "1"]
[White "Rybova, Magdalena"]
[Black "Lang, David"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "1092"]
[BlackElo "1323"]
[PlyCount "68"]
[EventDate "2015.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Bd7 5. d3 Nf6 6. Bg5 Be7 7. Qd2 0-0 8. 0-0-0 Nd4 9. Nxd4 exd4 10. Bxd7 dxc3 11. Qxc3 Qxd7 12. h3 Nxe4 13. dxe4 Bxg5+ 14. Kb1 c6 15. Qg3 Bf6 16. f4 Qe7 17. Rhe1 Bh4 18. Qe3 Bxe1 19. Rxe1 b6 20. Qc3 c5 21. Re3 Qh4 22. g4 Rae8 23. e5 dxe5 24. fxe5 Qf2 25. a3 Qf4 26. Ka1 Qd4 27. Qe1 Rd8 28. Ka2 Qc4+ 29. Kb1 Rfe8 30. b3 Qe6 31. Qg3 Rd5 32. Rf3 Rd1+ 33. Ka2 Qxe5 34. Qh4 Qa1# 0-1

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2014.06.22"]
[Round "6"]
[White "Jezek, Stanislav1111"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1123"]
[BlackElo "1276"]
[PlyCount "119"]
[EventDate "2014.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 d6 8. h3 0-0 9. 0-0 Be6 10. Bxe6 fxe6 11. Bd2 h6 12. Nh2 d5 13. Qf3 Nd4 14. Qe3 Nxc2 15. Qg3 Nh5 16. Qg6 Nf4 17. Bxf4 exf4 18. Rac1 Nd4 19. Rcd1 c6 20. Ng4 Qg5 21. Qxg5 hxg5 22. Ne5 f3 23. gxf3 Nxf3+ 24. Nxf3 Rxf3 25. Kg2 Rff8 26. Rg1 Kh7 27. Kf1 Kh6 28. Ke2 Rad8 29. Ke3 g6 30. f3 Rd7 31. Rd2 dxe4 32. fxe4 b5 33. Rdg2 Rf6 34. Rxg5 Rg7 35. e5 Rf5 36. Rxf5 exf5 37. Re1 Re7 38. Kd4 Kh5 39. Kc5 Re6 40. d4 f4 41. d5 cxd5 42. Kxd5 Re8 43. e6 Kg5 44. Kd6 Kf6 45. Kd7 Re7+ 46. Kd6 g5 47. Re4 a5 48. h4 gxh4 49. Rxf4+ Kg5 50. Rf7 Re8 51. e7 h3 52. Rf8 h2 53. Rxe8 h1Q 54. Rg8+ Kf6 55. e8Q Qd1+ 56. Kc6 Qc1+ 57. Kb6 Qxb2 58. Rg6+ Kf5 59. Qe6+ Kf4 60. Rg4+ 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2014.06.22"]
[Round "5"]
[White "Lang, David"]
[Black "Vrbova, Eva"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1276"]
[BlackElo "1348"]
[PlyCount "78"]
[EventDate "2014.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 Bb7 10. Re1 Bc5 11. Be3 Bxe3 12. Rxe3 d4 13. Rg3 dxc3 14. bxc3 g6 15. Qg4 Nf6 16. Qa4+ Qd7 17. Qxd7+ Kxd7 18. Rd1 Ke7 19. a4 Rhd8 20. Rc1 Rac8 21. c4 Be4 22. Bf1 Bc6 23. a5 Ne4 24. Re3 Nd2 25. Be2 Ba8 26. c5 Rxc5 27. Bxa6 Rxa5 28. Be2 Ne4 29. Bf3 Nf6 30. Bxa8 Raxa8 31. g3 Rac8 32. Re2 Rd7 33. c4 Rdc7 34. Rec2 Nd7 35. Kg2 Rc5 36. Rc3 Ne5 37. R1c2 Rxc4 38. Rxc4 Rxc4 39. Re2 Nd7 0-1

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2014.06.21"]
[Round "1"]
[White "Kamenicky, Stanislav"]
[Black "Lang, David"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1000"]
[BlackElo "1276"]
[PlyCount "34"]
[EventDate "2014.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d4 exd4 6. cxd4 Nxe4 7. Nbd2 d5 8. Bb5 Bd7 9. Nxe4 dxe4 10. Bxc6 Bxc6 11. Ne5 Bb5 12. Qg4 Bb4+ 13. Bd2 Bxd2+ 14. Kxd2 Qxd4+ 15. Kc1 Qxe5 16. Rd1 Qc5+ 17. Kb1 Bd3+ 0-1

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2014.06.21"]
[Round "4"]
[White "Lang, David"]
[Black "Bazantova, Viktorie"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1276"]
[BlackElo "1191"]
[PlyCount "59"]
[EventDate "2014.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 e6 5. Nf3 Nc6 6. Bd3 Bd6 7. 0-0 Nf6 8. Nb5 0-0 9. b3 a6 10. Nxd6 Qxd6 11. a4 Nb4 12. Ba3 a5 13. c3 Qb6 14. cxb4 axb4 15. Bb2 Bd7 16. Qe2 Rac8 17. Ne5 Rfd8 18. Nxd7 Rxd7 19. Rfc1 Re8 20. Bb5 Rdd8 21. Bxe8 Rxe8 22. Qb5 Qd6 23. Qxb7 Ng4 24. Qc7 Qxc7 25. Rxc7 f5 26. a5 Ra8 27. a6 Nf6 28. a7 Ne8 29. Rb7 Nd6 30. Rb8+ 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2014.06.21"]
[Round "2"]
[White "Lang, David"]
[Black "Hanzlik, Adam"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1276"]
[BlackElo "1465"]
[PlyCount "96"]
[EventDate "2014.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. d3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 e5 7. Bg5 h6 8. Bxf6 Bxf6 9. Qd2 g5 10. h3 Be7 11. Nd5 c6 12. Ne3 f5 13. exf5 Bxf5 14. g4 Bg6 15. d4 e4 16. Nh2 Bf6 17. Nf5 Bxf5 18. gxf5 d5 19. Ng4 Qd7 20. Nxh6+ Kg7 21. Ng4 Qxf5 22. h4 Rh8 23. Nxf6 Kxf6 24. Qxg5+ Qxg5+ 25. hxg5+ Kxg5 26. f3 e3 27. f4+ Kf5 28. Rf3 Nd7 29. Rxe3 Rag8+ 30. Kf2 Rh2+ 31. Ke1 Rg1+ 32. Bf1 Kxf4 33. Re2 Rxe2+ 34. Kxe2 Nf6 35. Kf2 Rg3 36. Re1 Ng4+ 37. Ke2 Re3+ 38. Kd2 Ke4 39. Rxe3+ Nxe3 40. Bd3+ Kf4 41. Ke2 b6 42. c3 c5 43. dxc5 bxc5 44. b3 c4 45. Bg6 cxb3 46. axb3 a5 47. Bf7 Ke4 48. Bg6+ Kf4 1/2-1/2

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2014.06.21"]
[Round "3"]
[White "Skrabanek, Matej"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1414"]
[BlackElo "1276"]
[PlyCount "35"]
[EventDate "2014.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Bc4 Nf6 5. Nc3 Be7 6. 0-0 Bxf3 7. Qxf3 Nc6 8. d3 Nd4 9. Qf2 Ng4 10. Qg3 Nxc2 11. Rb1 Qd7 12. fxe5 dxe5 13. Bxf7+ Kd8 14. Bh5 Bc5+ 15. Kh1 Nge3 16. Bxe3 Nxe3 17. Qg5+ Kc8 18. Bg4 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.24"]
[Round "6"]
[White "Gasparin, Pavel"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1100"]
[BlackElo "1100"]
[PlyCount "19"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Bc4 Nf6 5. Bd5 Nxd5 6. exd5 Ne7 7. Nxe5 Bxc3 8. dxc3 Nxd5 9. Qxd5 d6 10. Qxf7# 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.24"]
[Round "7"]
[White "Lang, David"]
[Black "Hladka, Gabriela"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1100"]
[BlackElo "1100"]
[PlyCount "35"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. Nc3 Nf6 4. Nxe5 d6 5. Nxf7 Qe7 6. Nxh8 Ng4 7. Qe2 Nc6 8. g3 Nd4 9. Qd3 Nf5 10. Bh3 Nfh6 11. Nd5 Be6 12. Nxe7 Bxf2+ 13. Kf1 d5 14. Bxg4 Bxg4 15. Nxd5 0-0-0 16. Ne7+ Kb8 17. Qxd8+ Bc8 18. Qxc8# 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.24"]
[Round "5"]
[White "Lang, David"]
[Black "Plechatova, Jarmila"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "1100"]
[BlackElo "1100"]
[PlyCount "80"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. Bxc6 dxc6 6. Nxe5 Bxc3 7. bxc3 Nxe4 8. 0-0 0-0 9. d3 Nxc3 10. Qh5 h6 11. Ng4 Ne2+ 12. Kh1 Nxc1 13. Raxc1 Bxg4 14. Qxg4 Qd5 15. a3 Qa2 16. Ra1 Qxc2 17. Rfd1 Qxf2 18. Qf3 Qxf3 19. gxf3 Rad8 20. Kg2 c5 21. a4 Rfe8 22. Kg3 Re3 23. Kg4 Rd4+ 24. Kg3 c4 25. Ra3 cxd3 26. Kf2 Re2+ 27. Kf1 Re3 28. Kg2 Re2+ 29. Kg3 d2 30. Ra2 a6 31. Rc2 b5 32. axb5 axb5 33. Rb2 c5 34. f4 c4 35. Kf3 c3 36. Kxe2 cxb2 37. Ke3 Rd5 38. Ke2 g5 39. fxg5 hxg5 40. h3 f6 0-1

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.23"]
[Round "2"]
[White "Berdych, Petr"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1100"]
[BlackElo "1100"]
[PlyCount "41"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 Bxc3 6. dxc3 Nxe4 7. 0-0 d6 8. Qd5 Nf6 9. Qc4 Be6 10. Qh4 h6 11. Bg5 Bc4 12. Rfe1 a6 13. Re4 Bd5 14. Ree1 Rh7 15. Bxf6 gxf6 16. Qg4 Be6 17. Qg8+ Ke7 18. Qxh7 Bg4 19. Qxh6 Qg8 20. Qh4 b6 21. Nd2 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.23"]
[Round "1"]
[White "Lang, David"]
[Black "Havelka, Frantisek"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1100"]
[BlackElo "1250"]
[PlyCount "58"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Bc4 a6 4. a4 d6 5. Nf3 Nf6 6. e5 dxe5 7. Nxe5 Bd6 8. Nf3 0-0 9. 0-0 b6 10. Bd3 Bb7 11. Ng5 Qc7 12. Nxh7 Nxh7 13. Qh5 g6 14. Qh6 Bf4 15. Qh4 Nd7 16. Bc4 Nhf6 17. d3 Bxc1 18. Raxc1 Nh5 19. Rce1 Ne5 20. Bb3 Rad8 21. Qg5 f6 22. Bxe6+ Kg7 23. Qh4 Rd4 24. Qh3 Nf4 25. Qg3 Bxg2 26. Bd5 Bxf1 27. Re4 Nxd5 28. Rxd4 Nxc3 29. Rg4 Ne2+ 0-1

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.23"]
[Round "3"]
[White "Lang, David"]
[Black "Studzinski, David"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1100"]
[BlackElo "1100"]
[PlyCount "83"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. Ng5 Qxg5 7. 0-0 Be7 8. Nb5 Rc8 9. Nxa7 Rb8 10. d3 Qf6 11. Nb5 Qg6 12. Nc7+ Kd8 13. Nb5 Ngf6 14. Nc3 Re8 15. Ne2 Nh5 16. Bf4 Bf6 17. Ng3 Nxg3 18. Bxg3 Ke7 19. Re1 Kf8 20. Qc1 Be7 21. Re3 Bg5 22. Bxd6+ Kg8 23. Rg3 Ra8 24. Qxg5 Qxg5 25. Rxg5 e5 26. a3 Re6 27. Bc7 Rc8 28. Ba5 b6 29. Bd2 h6 30. Rg3 c4 31. dxc4 Rd6 32. Be3 Rd8 33. h3 b5 34. cxb5 Rc8 35. c3 Rb8 36. b6 Rbxb6 37. Bxb6 Rxb6 38. Rd1 Rxb2 39. Rxd7 Rb1+ 40. Kh2 Ra1 41. c4 Rxa3 42. Rxa3 1-0

[Event "Mlada Boleslav Region-ch U20"]
[Site "Mlada Boleslav"]
[Date "2012.06.23"]
[Round "4"]
[White "Stochl, Vojtech"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1100"]
[BlackElo "1100"]
[PlyCount "88"]
[EventDate "2012.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. Nxc6 Qf6 7. Nd4 Qe7 8. Nf5 Nc3+ 9. Nxe7 Nxd1 10. Kxd1 Bxe7 11. Re1 0-0 12. Rxe7 d6 13. Ke1 Bf5 14. Kf1 Bxc2 15. Re2 Bxb1 16. Rxb1 Rae8 17. Rxe8 Rxe8 18. Be3 h6 19. Re1 Rd8 20. h4 c5 21. Rd1 Rc8 22. Rxd6 b6 23. Ba6 Rc7 24. Rd8+ Kh7 25. Bd3+ g6 26. h5 a6 27. Rh8+ Kxh8 28. hxg6 fxg6 29. Bxh6 Rc6 30. Be4 Re6 31. Bd5 Rd6 32. Bf7 Rd1+ 33. Ke2 Rd6 34. Bf4 Rf6 35. Be5 Kg7 36. Bxf6+ Kxf6 37. Bb3 Ke5 38. Bc2 Kd4 39. Kd1 a5 40. Bxg6 b5 41. Be4 b4 42. Kc2 c4 43. b3 Kc5 44. bxc4 Kxc4 1-0

[Event "Feria del Orinoco op"]
[Site "Bolivar"]
[Date "2001.08.27"]
[Round "6"]
[White "Urbaez Capote, Antonio Jose"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "39"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Bb7 9. g4 b4 10. Na4 a5 11. Nb5 Na6 12. Nb6 Rb8 13. Nc4 d5 14. Bb6 Qe7 15. Nbd6+ Kd7 16. Nxf7 Nxg4 17. fxg4 Qh4+ 18. Bf2 Qf6 19. g5 Qe7 20. Nxh8 1-0

[Event "Feria del Orinoco op"]
[Site "Bolivar"]
[Date "2001.08.26"]
[Round "4"]
[White "Sanchez, Efren"]
[Black "Lang, David"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "101"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. h3 Bf5 6. Nc3 Nc6 7. Be3 e6 8. Qb3 Bb4 9. a3 Qa5 10. Rc1 Bxc3+ 11. bxc3 Qc7 12. Nf3 0-0 13. c5 Rab8 14. Nh4 Be4 15. f3 Qg3+ 16. Bf2 Qf4 17. Qd1 Bg6 18. Nxg6 hxg6 19. Bd3 b6 20. cxb6 Rxb6 21. 0-0 Ne7 22. Qe1 Nf5 23. Bxf5 gxf5 24. Qe5 Qd2 25. c4 dxc4 26. Rxc4 Qa2 27. Ra4 a6 28. Qc7 Nd5 29. Qc4 Qxc4 30. Rxc4 Rfb8 31. Rc2 Rb3 32. Ra2 Nc3 33. Raa1 Rb2 34. Kh2 Rc2 35. Rfc1 Rxf2 36. Rxc3 Rbb2 37. Rg1 Rfd2 38. Rc4 Kf8 39. Kg3 Ke7 40. Ra4 Kf6 41. Rxa6 Rxd4 42. h4 Ra2 43. Ra7 Rdd2 44. Kh3 Rd3 45. a4 Rd4 46. g4 fxg4+ 47. Rxg4 Rxg4 48. Kxg4 Rg2+ 49. Kh3 Rg1 50. a5 e5 51. a6 1/2-1/2

[Event "Feria del Orinoco op"]
[Site "Bolivar"]
[Date "2001.08.25"]
[Round "3"]
[White "Perdomo, Zoar"]
[Black "Lang, David"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "76"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Nb3 Be6 8. Be2 Nbd7 9. 0-0 Be7 10. Qd2 b5 11. a3 h6 12. Bh4 0-0 13. Bg3 Qb6 14. Kh1 Bxb3 15. cxb3 Nc5 16. Nd5 Qb7 17. Nxf6+ Bxf6 18. Qxd6 Nxb3 19. Rad1 Rfd8 20. Qb4 Nd4 21. Bd3 Rac8 22. f3 Be7 23. Qe1 f6 24. Bb1 b4 25. axb4 Bxb4 26. Qe3 Bc5 27. Ba2+ Kh8 28. Rb1 Nf5 29. Qb3 Nxg3+ 30. hxg3 Qa7 31. Qe6 Rd2 32. Bc4 Rb8 33. Qxa6 Qxa6 34. Bxa6 Rbxb2 35. Rxb2 Rxb2 36. Bc4 Rb4 37. Bd5 Ra4 38. Kh2 Ra3 1/2-1/2

[Event "Feria del Orinoco op"]
[Site "Bolivar"]
[Date "2001.08.24"]
[Round "2"]
[White "Lang, David"]
[Black "Vera Leon, Ely"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "116"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h5 7. g5 e6 8. Bd3 Bxd3 9. Qxd3 g6 10. Bd2 Qb6 11. Bc3 Qa6 12. Qe3 Ne7 13. Nd2 Nf5 14. Qf2 Nd7 15. Nb3 Rc8 16. Ne2 c5 17. f4 cxd4 18. Nexd4 Bc5 19. Nxc5 Nxc5 20. Nxf5 gxf5 21. Bd4 Ne4 22. Qg2 Qc4 23. c3 Nc5 24. Bxc5 Qxc5 25. Rh3 Qc4 26. Qf2 Qe4+ 27. Kd2 d4 28. Re1 dxc3+ 29. Rxc3 Qd5+ 30. Kc1 Rxc3+ 31. bxc3 Qc4 32. Qd2 0-0 33. Rg1 Kg7 34. Kb2 Rc8 35. Qe3 Rd8 36. Rg3 Rd1 37. Rg1 Qb5+ 38. Ka3 Rd3 39. Qc1 Qb6 40. Rd1 Qc5+ 41. Kb2 Qf2+ 42. Qc2 Qxc2+ 43. Kxc2 Rxd1 44. Kxd1 Kf8 45. Kd2 Ke7 46. Kd3 Kd7 47. a4 Kc6 48. Kd4 b6 49. c4 a6 50. Kd3 Kc5 51. Kc3 a5 52. Kd3 Kb4 53. Kd4 Kxa4 54. c5 Kb5 55. cxb6 Kxb6 56. Kc4 Kc6 57. Kb3 Kd5 58. Ka4 Ke4 0-1

[Event "Feria del Orinoco op"]
[Site "Bolivar"]
[Date "2001.08.24"]
[Round "1"]
[White "Osorio Itanare, Fernando Augus"]
[Black "Lang, David"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "55"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 b6 3. g3 Bb7 4. Bg2 Nf6 5. d3 g6 6. Nge2 Bg7 7. 0-0 0-0 8. h3 e6 9. f4 d5 10. e5 Ne8 11. Be3 Nc6 12. Bf2 f6 13. exf6 Nxf6 14. Qd2 Qd7 15. Rae1 Rae8 16. d4 Ne4 17. Nxe4 dxe4 18. Bxe4 Nxd4 19. Nxd4 Bxe4 20. Rxe4 cxd4 21. Rd1 e5 22. fxe5 Qxh3 23. Qxd4 Re6 24. Qd5 Rxf2 25. Kxf2 Qh2+ 26. Kf3 Qh5+ 27. Kg2 Qf5 28. Rf1 1-0

