[Event "Mecklenburg VP Verbandsliga 2223"]
[Site "Mecklenburg VP"]
[Date "2023.04.23"]
[Round "8.2"]
[White "Schinke, Andreas"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "2053"]
[BlackElo "1811"]
[PlyCount "49"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Wismar ASV Gruen-Weiss"]
[BlackTeam "Makkabi Rostock"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. a4 Be7 8. 0-0 0-0 9. Qe2 Qc7 10. Rd1 b6 11. f3 Nc6 12. Nxc6 Qxc6 13. Be3 Bb7 14. Bb3 Rac8 15. Rd2 Nd7 16. Na2 Nc5 17. Nc1 Rfd8 18. c3 Nxb3 19. Nxb3 d5 20. e5 Qc4 21. Nd4 Qxe2 22. Rxe2 Bc5 23. Nb3 Bxe3+ 24. Rxe3 a5 25. Kf2 1/2-1/2

[Event "Mecklenburg VP Verbandsliga 2223"]
[Site "Mecklenburg VP"]
[Date "2023.03.19"]
[Round "7.1"]
[White "Hornych, Christoph"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2171"]
[BlackElo "1811"]
[PlyCount "69"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwerin SF II"]
[BlackTeam "Makkabi Rostock"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. a4 Nbd7 8. 0-0 Nc5 9. Qe2 Be7 10. Bg5 Nfxe4 11. Nxe4 Bxg5 12. Nxg5 Qxg5 13. b4 d5 14. Nf3 Qf5 15. bxc5 dxc4 16. Qxc4 Bd7 17. Rfe1 Bc6 18. Ne5 Bd5 19. Qd3 Qg5 20. g3 0-0 21. c4 Bc6 22. f4 Qf6 23. Nxc6 bxc6 24. Qe4 Rab8 25. Rab1 Rb2 26. Rxb2 Qxb2 27. Rb1 Qa2 28. a5 h6 29. Rc1 Rd8 30. f5 exf5 31. Qxf5 g6 32. Qe4 Rd2 33. Rf1 f5 34. Qxc6 Qxc4 35. Qxg6+ 1-0

[Event "Mecklenburg VP Verbandsliga 2223"]
[Site "Mecklenburg VP"]
[Date "2023.01.15"]
[Round "5.2"]
[White "Petrow, Jonas"]
[Black "Busch, Martin"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "1811"]
[BlackElo "2117"]
[PlyCount "111"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Makkabi Rostock"]
[BlackTeam "Think Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Nc6 8. Be2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Qxd4 c6 12. Qc4 b5 13. Qb3 Re8 14. 0-0 Nxe4 15. Nxe4 Rxe4 16. Bf3 Qxd5 17. Qxd5 cxd5 18. Bxe4 dxe4 19. Re1 Be6 20. Rxe4 Rc8 21. a4 Bf5 22. Rb4 bxa4 23. Rbxa4 Rc2 24. Be3 Bxb2 25. Rd1 Kg7 26. Rxa7 h5 27. Ra2 Bf6 28. Rxc2 Bxc2 29. Rc1 Bf5 30. f3 Be6 31. Rc5 Bb2 32. Kf2 Bf6 33. h3 h4 34. Ra5 Bd7 35. Ke2 Be6 36. Ra4 Bd7 37. Rb4 Be6 38. Kf2 Bd7 39. Bd4 g5 40. f4 g4 41. hxg4 Bxd4+ 42. Rxd4 Bxg4 43. Rd5 f5 44. Rd6 Kh7 45. Ke3 h3 46. gxh3 Bxh3 47. Kd4 Kg7 48. Ke5 Bg4 49. Rb6 Kf7 50. Rb7+ Kf8 51. Kf6 Ke8 52. Rb3 Kd7 53. Re3 Kd8 54. Re5 Bh3 55. Rxf5 Bxf5 56. Kxf5 1-0

[Event "Mecklenburg VP Verbandsliga 2223"]
[Site "Mecklenburg VP"]
[Date "2022.12.11"]
[Round "4.2"]
[White "Knoop, Sascha"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1790"]
[BlackElo "1811"]
[PlyCount "73"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Mecklenburger Springer SC"]
[BlackTeam "Makkabi Rostock"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Ne4 6. Bd3 Nd7 7. 0-0 f5 8. Ba3 Bxa3 9. Nxa3 Qf6 10. b4 0-0 11. b5 c5 12. Rc1 b6 13. Bb1 Bb7 14. cxd5 exd5 15. Qb3 c4 16. Qb4 Kh8 17. Nd2 Rac8 18. Nxe4 fxe4 19. Qa4 Ra8 20. f3 Qg5 21. Rce1 Rxf3 22. Rxf3 exf3 23. Qc2 Nf6 24. Qf2 Qxg2+ 25. Qxg2 fxg2 26. Kxg2 Re8 27. Bf5 Bc8 28. Bc2 Bd7 29. Kf3 Rf8 30. Ke2 Ng4 31. Rg1 Rf2+ 32. Ke1 Rf3 33. Kd2 Rf2+ 34. Ke1 Rxh2 35. e4 Ne3 36. Bb1 dxe4 37. Rg5 0-1

[Event "Mecklenburg VP Verbandsliga 2223"]
[Site "Mecklenburg VP"]
[Date "2022.11.27"]
[Round "3.1"]
[White "Kilp, Gunnar"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1811"]
[PlyCount "139"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Torgelow Droegeheide II"]
[BlackTeam "Makkabi Rostock"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Nc6 5. e3 Qb6 6. b3 cxd4 7. exd4 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Be7 11. Nbd2 0-0 12. Ne5 Rac8 13. Bg5 Qc7 14. Nxc6 Qxc6 15. Rac1 h6 16. Bh4 Rc7 17. c4 dxc4 18. Rxc4 Qd7 19. Rfc1 Rfc8 20. Bg3 Rxc4 21. Rxc4 Rxc4 22. bxc4 Qa4 23. Qb3 Qb4 24. Nf3 Ne4 25. Bf4 Ng5 26. Bxg5 Qxb3 27. axb3 hxg5 28. h3 f6 29. Kf1 Kf7 30. Ke2 Ke8 31. Kd3 Kd7 32. Nd2 Kc6 33. Nf1 a6 34. Ne3 Bd8 35. d5+ Kd6 36. dxe6 Kxe6 37. Kd4 Bb6+ 38. c5 Bd8 39. Nc4 Bc7 40. g4 g6 41. b4 Bd8 42. Nd6 b6 43. Nc4 b5 44. Ne3 Bc7 45. Ke4 Be5 46. f3 Bb2 47. f4 gxf4 48. Kxf4 Bc3 49. Nc2 Kd5 50. h4 Be5+ 51. Kf3 f5 52. gxf5 gxf5 53. Ne3+ Ke6 54. h5 Bc3 55. Nc2 Kf6 56. c6 Ke6 57. h6 Kd6 58. Ke3 Kxc6 59. Nd4+ Kd6 60. Nxf5+ Kd5 61. Kf4 Kc4 62. Ng7 Kxb4 63. Kf5 a5 64. Kg6 a4 65. h7 a3 66. h8Q a2 67. Qf8+ Kb3 68. Qf7+ Ka3 69. Qf1 a1Q 70. Qxb5 1/2-1/2

[Event "Mecklenburg VP Verbandsliga 2223"]
[Site "Mecklenburg VP"]
[Date "2022.10.23"]
[Round "1.2"]
[White "Petrow, Jonas"]
[Black "Seiler, Dirk"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "1811"]
[BlackElo "2128"]
[PlyCount "70"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Makkabi Rostock"]
[BlackTeam "Guestrow/Teterow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 0-0 11. Kg2 Na6 12. Re1 Nd7 13. Bf4 Qb8 14. Qe2 Rc8 15. e5 dxe5 16. Nxe5 Nxe5 17. Bxe5 Bxe5 18. Qxe5 Qxe5 19. Rxe5 Kf8 20. b3 Nb4 21. Re4 Rd8 22. Rc4 Ra5 23. Rd1 Nxa2 24. Nxa2 Rxa2 25. Rxc5 Rb2 26. Rd3 Rb8 27. Rcc3 Ke8 28. h4 h5 29. Kf3 Kd7 30. Ke3 Rb4 31. Kf3 Rb6 32. Kg2 Ra6 33. Rf3 f6 34. Rc4 Rb6 35. Rcc3 Ra6 1/2-1/2

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2022.05.01"]
[Round "9.1"]
[White "Schreiber, Kevin"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2017"]
[BlackElo "1811"]
[PlyCount "62"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Mecklenburger Springer SC"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Qc2 e5 5. d3 Be6 6. Nf3 Nbd7 7. 0-0 h6 8. b3 Bd6 9. Bb2 0-0 10. e4 Qe7 11. Nc3 d4 12. Ne2 Nh5 13. h3 c5 14. Bc1 Kh7 15. Nh4 g6 16. Qd2 Nf4 17. gxf4 Qxh4 18. fxe5 Bc7 19. f4 Bxh3 20. Bxh3 Qxh3 21. Rf2 Nxe5 22. fxe5 Bxe5 23. Nf4 Qg3+ 24. Rg2 Qe3+ 25. Kf1 f5 26. Qd1 fxe4 27. Bxe3 dxe3 28. Rc1 Rad8 29. Qe2 Bxf4 30. Rd1 Bg3+ 31. Kg1 Bf2+ 1-0

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2022.04.03"]
[Round "8.2"]
[White "Hueneburg, Christian"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2162"]
[BlackElo "1811"]
[PlyCount "42"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwerin SF III"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. 0-0 Be6 10. f4 exf4 11. Bxf4 Nc6 12. Nd5 Nxe4 13. Nxe7+ Qxe7 14. Bd3 Bxb3 15. axb3 d5 16. Qf3 f5 17. Rae1 Ne5 18. Qd1 Rad8 19. Be2 Qc5+ 20. Kh1 Ng6 21. Bg3 f4 0-1

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2022.03.20"]
[Round "7.1"]
[White "Petrow, Jonas"]
[Black "Fleischer, Matthias"]
[Result "0-1"]
[ECO "E86"]
[WhiteElo "1811"]
[BlackElo "1898"]
[PlyCount "118"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Schwerin SV Einheit"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 0-0 7. Qd2 Re8 8. Nge2 e5 9. d5 c5 10. a3 a6 11. b4 b6 12. Nc1 Nbd7 13. Nd3 Nh5 14. g4 Nf4 15. Rc1 g5 16. Be2 Nf8 17. bxc5 bxc5 18. Bxf4 exf4 19. Na4 Bd7 20. Bd1 Bd4 21. Rb1 Rb8 22. Rxb8 Qxb8 23. Kf1 Ng6 24. Bc2 Qc7 25. Ke2 Rb8 26. Nc3 Be3 27. Qe1 Bd4 28. Qd2 f6 29. Rb1 Rxb1 30. Nxb1 Qb6 31. Nc3 Be3 32. Qe1 Ne5 33. Nxe5 fxe5 34. Qb1 Qc7 35. Kd3 Be8 36. Qb2 Bd4 37. Qb3 Qa5 38. Bd1 Qc7 39. Bc2 Kg7 40. Na4 Qa5 41. Nc3 Kf6 42. Bd1 h5 43. h3 hxg4 44. hxg4 Bd7 45. Qb2 Ke7 46. Qb3 Kd8 47. Qb8+ Ke7 48. Qb3 Kf6 49. Qb2 Qd8 50. Qh2 Qa5 51. Qb2 Be8 52. Bb3 Bxc3 53. Qxc3 Qxa3 54. Bd1 Qa2 55. Qb3 Qa1 56. Be2 Ba4 57. Qc3 Qa2 58. Bf1 Qf2 59. Qd2 Qxf3+ 0-1

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2022.03.06"]
[Round "6.1"]
[White "Stork, Michael"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1975"]
[BlackElo "1811"]
[PlyCount "126"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Waren Malchow"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2 Bb4 9. Rc1 Nxc3 10. bxc3 Ba3 11. Rb1 b6 12. Bd3 Ba6 13. 0-0 Bxd3 14. Qxd3 0-0 15. Bf4 Rfe8 16. e4 Bf8 17. e5 c5 18. Ng5 g6 19. Bd2 cxd4 20. cxd4 Qxa2 21. Qf3 f5 22. exf6 Kh8 23. Bc3 Qd5 24. Qf4 Qf5 25. Qxf5 exf5 26. d5 Rec8 27. Ba1 h6 28. Ne6 Kg8 29. Rbc1 Kf7 30. Nc7 Rab8 31. Na6 Rxc1 32. Rxc1 Re8 33. Kf1 Bd6 34. Rc6 Be5 35. Bxe5 Rxe5 36. Nc7 Nxf6 37. f4 Re4 38. g3 Rd4 39. Rd6 Rc4 40. Nb5 Ra4 41. Nc3 Ra3 42. Nb5 Ra5 43. Nc3 Rc5 44. Rc6 Rxc6 45. dxc6 Ke7 46. Nb5 a6 47. Nc7 a5 48. Nb5 Nd5 49. Ke2 Nb4 50. c7 Kd7 51. c8Q+ Kxc8 52. Nd6+ Kd7 53. Nf7 Ke6 54. Ne5 g5 55. Nc4 gxf4 56. Nxb6 fxg3 57. hxg3 Kf6 58. Kf3 Kg5 59. Na4 h5 60. Nc5 Nd5 61. Ne6+ Kf6 62. Nc5 Nc3 63. Ke3 Kg5 0-1

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2021.11.21"]
[Round "3.1"]
[White "Petrow, Jonas"]
[Black "Devantier, Detlef"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1811"]
[PlyCount "102"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Wittenberge"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Ng6 6. Nf3 Bb4+ 7. Nc3 d6 8. g3 0-0 9. Bg2 Bg4 10. 0-0 Bxc3 11. bxc3 Nc6 12. Be3 Na5 13. c5 b6 14. cxd6 cxd6 15. Qd3 Qc7 16. h3 Bxf3 17. Bxf3 Rac8 18. Bd4 Nc4 19. Bg4 Rcd8 20. Be2 Rc8 21. h4 Ne7 22. h5 f5 23. h6 g6 24. Bf3 Qd7 25. Rae1 Rfe8 26. Rf2 fxe4 27. Bxe4 d5 28. Bf6 Rc5 29. Bg2 Kf7 30. Bxe7 Rxe7 31. Rxe7+ Kxe7 32. f5 gxf5 33. Rxf5 Nd6 34. Re5+ Kf6 35. Rxd5 Rxd5 36. Qxd5 Qe6 37. Qd3 Nf5 38. Be4 Nxg3 39. Bxh7 Ne2+ 40. Kf2 Nf4 41. Qd8+ Qe7 42. Qxe7+ Kxe7 43. Be4 Kf6 44. Ke3 Ne6 45. Kd3 Nc5+ 46. Kd4 Nxe4 47. Kxe4 Kg6 48. Kd5 Kxh6 49. Kc6 Kg5 50. Kb7 Kf5 51. Kxa7 Ke5 1-0

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2021.11.07"]
[Round "2.2"]
[White "Petrow, Jonas"]
[Black "Wiemer, Juergen"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1811"]
[BlackElo "1998"]
[PlyCount "85"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Ludwigslust"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 c6 6. e3 dxc4 7. Bxc4 Nd5 8. Bg3 Nd7 9. 0-0 0-0 10. e4 Nxc3 11. bxc3 Nf6 12. Re1 Nh5 13. Be5 f6 14. Ng5 fxg5 15. Qxh5 Bf6 16. Bxf6 Qxf6 17. Qe2 b5 18. e5 Qf7 19. Bb3 h5 20. Bc2 Bd7 21. Qd3 Qf5 22. Qxf5 exf5 23. e6 Be8 24. Bb3 Rf6 25. a4 Rb8 26. axb5 Rxb5 27. Bc4 Rb7 28. Ra5 Kh7 29. Rea1 Re7 30. Rxa7 Rfxe6 31. Bxe6 Rxe6 32. c4 f4 33. Rd1 Bg6 34. d5 cxd5 35. cxd5 Rd6 36. Re7 Bf5 37. f3 Kg6 38. Rc7 Bd7 39. Kf2 Kf6 40. Rc5 g4 41. Re1 g5 42. g3 fxg3+ 43. Kxg3 1-0

[Event "Mecklenburg VP LL2 West 2122"]
[Site "Mecklenburg VP"]
[Date "2021.10.24"]
[Round "1.2"]
[White "Buss, Stephan"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1984"]
[BlackElo "1811"]
[PlyCount "80"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kuehlungsborn SV Empor"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nf3 Ne7 8. Qd2 0-0 9. a4 d5 10. Nd1 Nxf3+ 11. Bxf3 d4 12. Bh6 e5 13. h4 f5 14. Bxg7 Kxg7 15. h5 f4 16. b3 g5 17. Nb2 h6 18. Qe2 Qd7 19. gxf4 Rxf4 20. Kd2 Qe6 21. Rag1 Bd7 22. Bg2 Raf8 23. f3 Qf6 24. Rh2 Bg4 25. Rf1 Bxf3 26. Bxf3 Rxf3 27. Rxf3 Qxf3 28. Nc4 Qf4+ 29. Kd1 b6 30. Rh1 Rf6 31. Nd2 Qf2 32. Qg4 Kf7 33. Nc4 Qf4 34. Qe2 Ke6 35. Nd2 Qg3 36. Kc1 Rf2 37. Qe1 Qf4 38. Rg1 Nc6 39. Qd1 Ke7 40. Rg4 Rxd2 0-1

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "5.1"]
[White "Kolb, Tobias"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2285"]
[BlackElo "1811"]
[PlyCount "53"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 b6 7. Qd2 Nge7 8. Bh6 0-0 9. h4 d5 10. h5 dxe4 11. Bxg7 Kxg7 12. hxg6 fxg6 13. Qh6+ Kf7 14. Qxh7+ Ke8 15. Nxe4 Nd4 16. 0-0-0 Bb7 17. Nh3 Qd7 18. Nf4 Qa4 19. Kb1 Qxc2+ 20. Ka1 Rd8 21. Nxg6 Nxg6 22. Qxg6+ Kd7 23. Rh7+ Kc8 24. Rdh1 Rxf2 25. Nxf2 Bxg2 26. Qf7 Qb1+ 27. Kxb1 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "6.1"]
[White "Petrow, Jonas"]
[Black "Mark, Philipp"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1811"]
[BlackElo "1702"]
[PlyCount "159"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Windischeschenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 d6 12. Rad1 Nd7 13. Qc2 Be4 14. Qd2 Qe7 15. Ne1 Bxg2 16. Nxg2 Rad8 17. Rfe1 e5 18. dxe5 dxe5 19. Ne3 Nc5 20. Qc2 g6 21. Nd5 Qf7 22. Nxf6+ Qxf6 23. Qc3 Rde8 24. Rd5 Ne4 25. Qe3 Rf7 26. f3 c6 27. Rd3 Nc5 28. Rd2 f4 29. gxf4 Qxf4 30. Qxf4 exf4 31. Kf2 Rfe7 32. Bf6 Rf7 33. Bd4 Ne6 34. Bc3 Ng7 35. e4 fxe3+ 36. Rxe3 Rfe7 37. Rxe7 Rxe7 38. Rd6 c5 39. Rd8+ Kf7 40. Rh8 h5 41. Rh7 Kg8 42. Rxg7+ Rxg7 43. Bxg7 Kxg7 44. Ke3 Kf6 45. Ke4 Ke6 46. Kf4 Kf6 47. h4 a6 48. a3 a5 49. a4 Ke6 50. Kg5 Kf7 51. f4 Kg7 52. f5 gxf5 53. Kxf5 Kh6 54. Kf6 Kh7 55. Kg5 b5 56. Kxh5 bxa4 57. bxa4 Kg7 58. Kg5 Kf7 59. Kf5 Ke7 60. Ke5 Kf7 61. Kd5 Kg6 62. Kxc5 Kh5 63. Kb5 Kxh4 64. Kxa5 Kg4 65. Kb6 Kf5 66. c5 Ke6 67. Kb7 Kd7 68. c6+ Kd8 69. c7+ Kd7 70. c8Q+ Kd6 71. Qc6+ Ke5 72. a5 Kf4 73. a6 Ke3 74. a7 Kd2 75. a8Q Ke3 76. Qd8 Kf4 77. Qe6 Kg3 78. Qf8 Kh4 79. Qg6 Kh3 80. Qh8# 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "4.1"]
[White "Petrow, Jonas"]
[Black "Mehlhorn, David"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1811"]
[BlackElo "1511"]
[PlyCount "37"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Aschheim/Feldkirchen/Kirchheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 c5 2. d5 Nf6 3. Nc3 e6 4. e4 exd5 5. exd5 d6 6. Bg5 Be7 7. Nf3 Nxd5 8. Nxd5 Bxg5 9. Nxg5 Qxg5 10. Nc7+ Kd8 11. Nxa8 Re8+ 12. Be2 Qxg2 13. Qxd6+ Nd7 14. Qc7+ Ke7 15. 0-0-0 Qxf2 16. Qd6+ Kd8 17. Bb5 Qe3+ 18. Kb1 Qe7 19. Qc7# 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "2.1"]
[White "Petrow, Jonas"]
[Black "Poggemann, Alexander"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1811"]
[BlackElo "1813"]
[PlyCount "49"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Hemer II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 g6 4. e3 Bg7 5. Bd3 Nxg5 6. hxg5 c5 7. c3 d5 8. Nd2 Nc6 9. Rc1 Bd7 10. dxc5 Qa5 11. a3 Qxc5 12. b4 Qb6 13. c4 Ne5 14. Be2 dxc4 15. Nxc4 Qe6 16. Nf3 Nxf3+ 17. Bxf3 Rd8 18. Bxb7 Bb5 19. Qc2 0-0 20. a4 Bxc4 21. Qxc4 Qd7 22. Bf3 Qxa4 23. Qh4 h5 24. Kf1 Qxb4 25. Qxb4 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "3.1"]
[White "Runte, Moritz"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2133"]
[BlackElo "1811"]
[PlyCount "81"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Hemer"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. 0-0 Be6 10. h3 Nbd7 11. f4 exf4 12. gxf4 Qb6+ 13. Kh2 Rac8 14. b3 Nc5 15. Bb2 Bd7 16. Nd5 Nxd5 17. exd5 Bf5 18. Nd4 Be4 19. Bxe4 Nxe4 20. Nf5 Bf6 21. Bxf6 Nxf6 22. Ne7+ Kh8 23. Nxc8 Rxc8 24. c4 Re8 25. Qd2 Qd8 26. Rae1 Ne4 27. Qd4 f5 28. Rg1 Qe7 29. Rg5 Qf7 30. Rg2 h6 31. Reg1 Re7 32. Rxg7 Qxg7 33. Rxg7 Rxg7 34. b4 Kh7 35. c5 dxc5 36. bxc5 Rc7 37. Qe5 Rf7 38. c6 Nd2 39. Qe6 Kg7 40. Qxf7+ Kxf7 41. cxb7 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "7.1"]
[White "Schindler, Tobias"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1998"]
[BlackElo "1811"]
[PlyCount "151"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Kelheim"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Bf5 5. cxd5 cxd5 6. Qb3 Qb6 7. Qxb6 axb6 8. Nc3 e6 9. 0-0 Be7 10. d3 h6 11. Be3 Bc5 12. Bf4 0-0 13. h3 Nc6 14. Rfe1 Bh7 15. g4 Rfe8 16. Ne5 Nb4 17. Rec1 Nc6 18. Nb5 Nxe5 19. Bxe5 Nd7 20. Bg3 Ra5 21. a4 e5 22. Bxd5 Nf6 23. Bxb7 e4 24. d4 Bb4 25. e3 Kf8 26. b3 g5 27. Rc6 Kg7 28. Be5 Re6 29. Rc7 Kg6 30. Rac1 h5 31. Bxf6 Kxf6 32. d5 Re5 33. R1c6+ Kg7 34. d6 hxg4 35. hxg4 Rd5 36. Rxb6 Bxd6 37. Nxd6 Rd1+ 38. Kg2 Rb1 39. Rb4 Re5 40. Nc4 Re6 41. Bd5 Rf6 42. Rbb7 Bg6 43. Ne5 Rb2 44. Rxf7+ Bxf7 45. Rxf7+ Rxf7 46. Nxf7 Kf6 47. Bc4 Ra2 48. Nd6 Ke5 49. Nb7 Ra3 50. a5 Ra1 51. a6 Ra3 52. Nd8 Ra1 53. b4 Kd6 54. b5 Kc5 55. Bf1 Kb6 56. Nf7 Rc1 57. Nxg5 Rc5 58. Nxe4 Re5 59. Kf3 Re8 60. Kf4 Rh8 61. g5 Rg8 62. Kf5 Ra8 63. Nf6 Rh8 64. g6 Rh1 65. g7 Rg1 66. g8Q Rxg8 67. Nxg8 Kc5 68. a7 Kd6 69. a8Q Kd7 70. Qd5+ Ke8 71. Nf6+ Ke7 72. Qe6+ Kf8 73. Nd7+ Kg7 74. Qg6+ Kh8 75. Qh6+ Kg8 76. Bc4# 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "1.1"]
[White "Suvorov, Alexander David"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2353"]
[BlackElo "1811"]
[PlyCount "69"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 b5 10. Be2 Bb7 11. Rd1 Qc7 12. e4 e5 13. dxe5 Nxe5 14. Nd4 Neg4 15. g3 Bc5 16. h3 Rad8 17. hxg4 Bxd4 18. Rxd4 Rxd4 19. Nxb5 Qd7 20. Nxd4 Qxd4 21. Be3 Qxe4 22. Qxe4 Nxe4 23. Bxa7 Ra8 24. Be3 h6 25. a4 Kf8 26. a5 Ba6 27. Bxa6 Rxa6 28. b4 Ke7 29. Kg2 Ke6 30. Rd1 Nc3 31. Rd8 Nd5 32. Bc5 g6 33. f4 Nf6 34. Rd6+ Ke7 35. Rxc6+ 1-0

[Event "Mecklenburg VP LL2 West 2021"]
[Site "Mecklenburg VP"]
[Date "2020.10.18"]
[Round "1.2"]
[White "Knoop, Sascha"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1830"]
[BlackElo "1811"]
[PlyCount "24"]
[EventDate "2020.10.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Mecklenburger Springer SC"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 Ne4 7. Nbd2 Bd6 8. Bd3 f5 9. 0-0 Qf6 10. Rc1 g5 11. Ne5 Nxd2 12. Nxd7 Bxh2+ 0-1

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2020.03.01"]
[Round "7.3"]
[White "Wiemer, Juergen"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2012"]
[BlackElo "1811"]
[PlyCount "108"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ludwigslust"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Bg7 6. Nc3 Nh6 7. f4 0-0 8. Be2 Nc6 9. Nf3 Bg4 10. Be3 e6 11. Qd2 Bxf3 12. Bxf3 f6 13. 0-0 fxe5 14. fxe5 Nf5 15. Bf2 Bh6 16. Qd3 Qb6 17. Rfd1 Qxb2 18. Rab1 Qa3 19. Rxb7 Rab8 20. Rxb8 Rxb8 21. Nxd5 Qxd3 22. Nf6+ Kg7 23. Rxd3 Rb1+ 24. Bd1 Nfxd4 25. Ng4 Ne2+ 26. Kf1 Nc3 27. Rxc3 Rxd1+ 28. Ke2 Rc1 29. Rd3 Rc2+ 30. Kf3 Bg5 31. Rd7+ Kf8 32. Rxh7 Rxa2 33. Rc7 Ra3+ 34. Ke4 Ra4+ 35. Kf3 Rf4+ 36. Kg3 Rc4 37. h4 Rc3+ 38. Kh2 Bf4+ 39. g3 Bd2 40. Nf6 Nxe5 41. Rxc3 Bxc3 42. Bxa7 Kf7 43. Ne4 Bb2 44. Bb8 Nc4 45. Bc7 e5 46. Kg2 Ke6 47. Kf3 Bc1 48. Bd8 Nd2+ 49. Nxd2 Bxd2 50. Ke4 Be1 51. g4 Bg3 52. Bg5 Bh2 53. h5 gxh5 54. gxh5 Bf4 1/2-1/2

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2020.02.02"]
[Round "6.3"]
[White "Petrow, Jonas"]
[Black "Kornblum, Harry"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1811"]
[PlyCount "75"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Kuehlungsborn SV Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bf4 d6 6. e3 0-0 7. h3 Nbd7 8. Bd3 b6 9. Bh2 Bb7 10. Ng5 Qe8 11. Rg1 Bd8 12. Qc2 h6 13. Nf3 Rc8 14. 0-0-0 Qf7 15. Kb1 a6 16. Nd2 Be7 17. g4 Ne4 18. Ndxe4 fxe4 19. Bxe4 Bxe4 20. Qxe4 c6 21. f4 d5 22. cxd5 cxd5 23. Qd3 b5 24. Rc1 Rc4 25. Ne2 Nb6 26. b3 Rcc8 27. Rxc8 Rxc8 28. f5 Rc6 29. Nf4 exf5 30. gxf5 Bg5 31. Ne6 Qh5 32. Nxg5 hxg5 33. Qf1 Rc3 34. Qe1 b4 35. Qg3 Qe2 36. Qxg5 Qc2+ 37. Ka1 Rc7 38. Qd8+ 1-0

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2020.01.19"]
[Round "5.3"]
[White "Blume, Christian"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1882"]
[BlackElo "1811"]
[PlyCount "100"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Putlitz Pritzwalk"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. e3 Nbd7 7. Nge2 c5 8. 0-0 Rb8 9. Rb1 a6 10. a4 Ne8 11. b4 cxd4 12. exd4 e5 13. Be3 exd4 14. Bxd4 Ne5 15. c5 Bf5 16. Ra1 Nc7 17. f4 Nc6 18. Bxg7 Kxg7 19. cxd6 Ne8 20. b5 Na5 21. Qd4+ Kg8 22. Rad1 Bc2 23. Ne4 Bxd1 24. Rxd1 axb5 25. axb5 b6 26. d7 Ng7 27. Nf6+ Kh8 28. Bh3 Nb3 29. Qb2 Nc5 30. Qe5 Rb7 31. Rd5 Nge6 32. Bxe6 Nxe6 33. Ne8+ Kg8 34. Nd4 Rxd7 35. Nf6+ Qxf6 36. Qxf6 Rxd5 37. Nxe6 Rd1+ 38. Kg2 fxe6 39. Qxe6+ Kg7 40. Qxb6 Rf7 41. Qc6 Rdd7 42. Qc3+ Kg8 43. b6 Rb7 44. Qc6 Kg7 45. g4 Rb8 46. Qc3+ Kg8 47. Qb3 Rbb7 48. Kg3 h6 49. f5 gxf5 50. gxf5 Kg7 1/2-1/2

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2019.12.08"]
[Round "4.3"]
[White "Petrow, Jonas"]
[Black "Knoop, Sascha"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1811"]
[BlackElo "1837"]
[PlyCount "140"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Mecklenburger Springer SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Be2 Bb7 8. 0-0 Nbd7 9. a3 c5 10. dxc5 Bxc5 11. b4 Be7 12. Qd4 0-0 13. e4 Rc8 14. e5 Nd5 15. Nxd5 Bxd5 16. Be3 Qc7 17. Rac1 Qb8 18. Bf4 Nb6 19. Nd2 Qb7 20. Bd3 Bxg2 21. Be4 Bxe4 22. Nxe4 Nc4 23. Nd6 Bxd6 24. exd6 Qd7 25. a4 Rfd8 26. axb5 axb5 27. Ra1 Ra8 28. Qc5 Rac8 29. Ra7 Rxc5 30. Rxd7 Rg5+ 31. Bxg5 Rxd7 32. Be7 f6 33. Ra1 Nxd6 34. Rd1 Rxe7 35. Rxd6 Kf7 36. Rb6 e5 37. Rxb5 Ke6 38. Rc5 Kd6 39. Rc2 Rb7 40. Rb2 Kd5 41. Rb1 g5 42. b5 Kc5 43. Rc1+ Kxb5 44. Kg2 Rb6 45. Rc7 h5 46. Kf3 Rc6 47. Rh7 Rc4 48. Rxh5 Kc5 49. Rh8 Kd5 50. Rd8+ Ke6 51. Ra8 Kf5 52. Ra5 Rc3+ 53. Kg2 Kf4 54. Ra6 f5 55. Ra4+ e4 56. Rb4 Rd3 57. Ra4 g4 58. Rb4 Kg5 59. Ra4 Kh4 60. Ra8 e3 61. fxe3 Rxe3 62. Ra7 Re2+ 63. Kg1 Kg5 64. Rg7+ Kf4 65. Rf7 Ke4 66. Rg7 Kf3 67. h3 g3 68. Kf1 g2+ 69. Kg1 Re1+ 70. Kh2 Rh1# 0-1

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2019.11.24"]
[Round "3.3"]
[White "Hertel Mach, Frank"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1898"]
[BlackElo "1811"]
[PlyCount "52"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Waren Malchow"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. b3 Bf5 6. Bb2 e6 7. Nf3 Nc6 8. 0-0 Bd6 9. d3 0-0 10. Nbd2 Rc8 11. Re1 Nb4 12. a3 Nc2 13. e4 Nxe1 14. Nxe1 dxe4 15. dxe4 Bg4 16. f3 Bc5+ 17. Kh1 Bh5 18. Nc2 Qe7 19. Qe2 Rfd8 20. Nc4 b5 21. Ne5 Qd6 22. Bc3 Bxa3 23. Ba5 Qxe5 24. Rxa3 Qb2 25. Bxd8 Rxc2 26. Bxf6 Rc1+ 0-1

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2019.10.20"]
[Round "2.3"]
[White "Petrow, Jonas"]
[Black "Schiewer, Robert"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1811"]
[BlackElo "1913"]
[PlyCount "50"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Schwerin SF IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 a6 5. e3 Bd6 6. Bg3 c6 7. c5 Bc7 8. Bxc7 Qxc7 9. f4 Nbd7 10. Bd3 b6 11. b4 a5 12. a3 Ba6 13. b5 cxb5 14. Nxb5 Bxb5 15. cxb6 Qc3+ 16. Ke2 Bxd3+ 17. Kf3 Nxb6 18. Qc1 Rc8 19. Qxc3 Rxc3 20. Ne2 Be4+ 21. Kf2 Ng4+ 22. Kg3 Rxe3+ 23. Kxg4 Rxe2 24. Rhc1 Rxg2+ 25. Kh3 Kd7 0-1

[Event "Mecklenburg VP Landesliga West 1920"]
[Site "Mecklenburg VP"]
[Date "2019.09.29"]
[Round "1.3"]
[White "Petrow, Jonas"]
[Black "Wurst, Benedikt"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1811"]
[BlackElo "1636"]
[PlyCount "64"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Rostock SSC 07 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. g3 e6 3. Bg2 Nf6 4. c4 Be7 5. Nc3 c6 6. cxd5 exd5 7. Nf3 Bf5 8. Qb3 Qb6 9. Qxb6 axb6 10. Bf4 Nbd7 11. 0-0 b5 12. Nh4 Bg6 13. Nxg6 hxg6 14. a3 Nb6 15. Rad1 Nc4 16. Bc1 0-0 17. e4 dxe4 18. d5 Rfd8 19. dxc6 bxc6 20. Nxe4 Nxe4 21. Bxe4 Rac8 22. Rxd8+ Bxd8 23. Rd1 Bf6 24. b3 Na5 25. Bc2 c5 26. a4 bxa4 27. bxa4 c4 28. Rd5 Nb3 29. Ba3 Ra8 30. Bxb3 cxb3 31. Rb5 b2 32. Bxb2 Rxa4 1/2-1/2

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2019.04.07"]
[Round "9.4"]
[White "Petrow, Jonas"]
[Black "Peters, Hans Joachim"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1611"]
[BlackElo "1592"]
[PlyCount "87"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Neubrandenburg SG Eintracht II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. bxc3 f5 9. 0-0 0-0 10. Qb3 Nc6 11. Nd2 Na5 12. Qa4 Bxg2 13. Kxg2 d6 14. Nb3 Nxb3 15. axb3 a5 16. Qc6 Ra7 17. Re1 Qa8 18. Qxa8 Raxa8 19. d5 e5 20. e4 g6 21. Ra2 Bf6 22. f3 h5 23. Be3 Kg7 24. Rea1 Rab8 25. b4 axb4 26. Ra7 Rf7 27. cxb4 fxe4 28. fxe4 Kf8 29. Ra8 Rxa8 30. Rxa8+ Kg7 31. c5 dxc5 32. bxc5 bxc5 33. Bxc5 Be7 34. Be3 Bd6 35. Re8 Re7 36. Rb8 Rf7 37. Re8 Rf8 38. Rxf8 Bxf8 39. g4 hxg4 40. Kg3 Kf7 41. Kxg4 Be7 42. Bg5 Bc5 43. Bd8 Bb6 44. d6 1-0

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2019.03.24"]
[Round "8.3"]
[White "Petrow, Jonas"]
[Black "Vietinghoff, Klaus"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1611"]
[BlackElo "1694"]
[PlyCount "68"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Stralsund FHSG II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bf4 d5 6. e3 0-0 7. a3 c6 8. Bd3 Nbd7 9. b4 Ne4 10. Qc2 Ndf6 11. h3 Nxc3 12. Qxc3 Ne4 13. Qc2 g5 14. Be5 Bf6 15. c5 Bxe5 16. Nxe5 h5 17. Bxe4 dxe4 18. Qe2 Qe8 19. h4 g4 20. g3 a5 21. Kd2 Qd8 22. Qc4 Qd5 23. Rhb1 Rd8 24. Kc3 Kg7 25. b5 Bd7 26. bxc6 Bxc6 27. Rb6 Qxc4+ 28. Kxc4 Bd5+ 29. Kb5 Rdc8 30. Rb1 a4 31. Rb4 Bb3 32. Rxb7+ Kg8 33. Nd7 Kh8 34. Nb6 Rab8 1-0

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2019.03.10"]
[Round "7.4"]
[White "Horch, Helmut"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1760"]
[BlackElo "1611"]
[PlyCount "77"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Binz Therme Ruegen"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. e3 g6 3. Nf3 Bg7 4. c4 0-0 5. Be2 d6 6. Nc3 c5 7. d5 a6 8. 0-0 Nbd7 9. e4 Rb8 10. Qc2 Ne5 11. Nxe5 dxe5 12. Be3 Qc7 13. Rad1 Ne8 14. f4 Nd6 15. b3 Bd7 16. fxe5 Bxe5 17. Bh6 Rfc8 18. Qd3 b5 19. Qf3 Qa5 20. Rc1 bxc4 21. Bxc4 Nxc4 22. Qxf7+ Kh8 23. Qxe7 Re8 24. Qxd7 Nb6 25. Qh3 Bd4+ 26. Kh1 Bxc3 27. Rxc3 Rxe4 28. Qf3 Nd7 29. Re3 Rxe3 30. Qxe3 Kg8 31. Qe6+ Kh8 32. Qxd7 Rg8 33. Qe6 Qc3 34. Qf6+ Qxf6 35. Rxf6 Re8 36. h3 Rg8 37. d6 Rd8 38. d7 Ra8 39. Rd6 1-0

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2019.02.24"]
[Round "6.4"]
[White "Petrow, Jonas"]
[Black "Richter, Frank"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1611"]
[BlackElo "1754"]
[PlyCount "87"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Waterkant Saal SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 d5 8. cxd5 exd5 9. 0-0 0-0 10. Nc3 Nbd7 11. Rac1 c6 12. Na4 Ne4 13. Qd3 Qe7 14. a3 Rfe8 15. e3 Nd6 16. Nd2 h5 17. Nc3 a5 18. Rfe1 f5 19. h4 g5 20. hxg5 Qxg5 21. Nf3 Qg4 22. Nh4 Rf8 23. Qd1 Qxd1 24. Rexd1 Nf6 25. Na4 Nc4 26. b3 Nxa3 27. Nxb6 Rae8 28. Ng6 Rf7 29. Ra1 Rg7 30. Nf4 Nc2 31. Rxa5 Nxe3 32. fxe3 Rxe3 33. Rd3 Rexg3 34. Rxg3 Rxg3 35. Ra7 Ba6 36. Rxa6 Rxb3 37. Nc8 Ng4 38. Rxc6 Rb1+ 39. Bf1 Ne3 40. Kf2 Nxf1 41. Ne7+ Kf7 42. Nexd5 Nd2 43. Rc7+ Ke8 44. Nf6+ 1-0

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.06"]
[Round "7.3"]
[White "Petrow, Jonas"]
[Black "Schumacher, Ole"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1811"]
[BlackElo "1711"]
[PlyCount "106"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. Nc3 0-0 6. g3 Nc6 7. Bg2 d6 8. Qc2 e5 9. e3 exd4 10. Nxd4 Nxd4 11. exd4 Re8+ 12. Be3 Ng4 13. 0-0 Bxc3 14. Qxc3 Nxe3 15. fxe3 Qg5 16. Rae1 c6 17. e4 Qh5 18. Qd2 Bh3 19. Bxh3 Qxh3 20. Qf4 Qe6 21. e5 dxe5 22. Qxe5 Qxe5 23. dxe5 Re6 24. Rd1 Kf8 25. Rd6 Rxe5 26. Rfd1 Rae8 27. Rd7 R5e7 28. Kf1 f6 29. R7d2 Kf7 30. Kf2 Kg6 31. b3 b5 32. cxb5 cxb5 33. Kf3 Re1 34. Rxe1 Rxe1 35. Rd5 Re5 36. Rd2 h5 37. h4 Kf5 38. Rd3 Rc5 39. Rd2 g6 40. Rd3 Ke5 41. Rd2 Rc3+ 42. Kf2 a4 43. bxa4 bxa4 44. Kg2 Ke4 45. Rd6 Rc2+ 46. Kh3 Ke5 47. Ra6 Rxa2 48. Ra5+ Kd4 49. Ra6 Ke5 50. Ra5+ Ke6 51. Ra6+ Kf7 52. Ra7+ Kg8 53. g4 Ra3+ 0-1

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.05"]
[Round "5.1"]
[White "Petrow, Jonas"]
[Black "Lange, Jannis"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1811"]
[BlackElo "1984"]
[PlyCount "179"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. e3 0-0 6. Nf3 c5 7. Be2 cxd4 8. exd4 Nc6 9. 0-0 Bg4 10. c5 Ne4 11. Be3 Nxc3 12. bxc3 Qa5 13. Qd2 Rad8 14. Rab1 Qc7 15. Rb5 f6 16. Rfb1 Bc8 17. Bh6 Qd7 18. Bxg7 Kxg7 19. Re1 Rfe8 20. Qb2 e6 21. Nd2 Qf7 22. Nb3 Re7 23. Na5 Nxa5 24. Rxa5 a6 25. Ra3 Rde8 26. h3 e5 27. Bf3 e4 28. Bd1 Rd8 29. Rb3 Kg8 30. Rb6 f5 31. Qb4 f4 32. c6 bxc6 33. f3 e3 34. Rxc6 Re6 35. Rxe6 Bxe6 36. Qb6 Rc8 37. Ba4 Bf5 38. Qd6 Kg7 39. Qxf4 Rxc3 40. Rxe3 Rc1+ 41. Kh2 Qc7 42. Qxc7+ Rxc7 43. Bb3 Kf6 44. Re5 Bd3 45. Rxd5 Re7 46. Rd6+ Kf5 47. Kg3 Re2 48. Rd7 g5 49. Rxh7 Rd2 50. Rf7+ Kg6 51. Rc7 Bf1 52. Rc6+ Kg7 53. Rc2 Rxd4 54. Rf2 Bb5 55. f4 gxf4+ 56. Rxf4 Rd2 57. Rg4+ Kf6 58. Kh4 Bc6 59. Rf4+ Ke5 60. g3 Rd7 61. Bf7 Be4 62. Rf2 Rd8 63. g4 Rh8+ 64. Kg3 Rc8 65. Re2 Rc3+ 66. Kh4 Kf4 67. Rb2 Rc7 68. Rf2+ Bf3 69. Bh5 Ke3 70. Rb2 Rc1 71. Rb3+ Kf4 72. Rb4+ Ke5 73. Rb6 Be2 74. Kg5 Rc8 75. Bf7 Bb5 76. h4 Rc7 77. Re6+ Kd4 78. Rf6 Bd7 79. Be6 Rc5+ 80. Kh6 Rc6 81. Bxd7 Rxf6+ 82. Kg7 Rd6 83. Be8 Re6 84. Bf7 Re4 85. g5 Rxh4 86. g6 Ke5 87. Kf8 Rh8+ 88. Ke7 Rb8 89. g7 Rb7+ 90. Kf8 1-0

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.05"]
[Round "6.2"]
[White "Troemer, Axel"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1381"]
[BlackElo "1811"]
[PlyCount "25"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Rxd1 Ng4 8. h3 Nxe5 9. Nd5 Kd7 10. Nb6+ Kc6 11. Nxa8 b6 12. g3 Kb7 13. Bg2+ 1/2-1/2

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.04"]
[Round "4.3"]
[White "Petrow, Jonas"]
[Black "Jaeschke, Jonathan"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "1811"]
[BlackElo "1532"]
[PlyCount "51"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bg5 h6 8. Bd2 Bg7 9. Qc1 Qe7 10. f3 a6 11. a4 Nbd7 12. Nh3 Ne5 13. Nf2 Rb8 14. Be2 h5 15. 0-0 0-0 16. Bh6 h4 17. Bg5 h3 18. gxh3 Qc7 19. Ng4 Nh7 20. Bh6 c4 21. Bxg7 Nxg4 22. Bxf8 Qc5+ 23. Kh1 Nf2+ 24. Rxf2 Qxf2 25. Be7 Bxh3 26. Qg1 1-0

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.03"]
[Round "2.4"]
[White "Petrow, Jonas"]
[Black "Borkowski, Till Aaron"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1811"]
[BlackElo "1404"]
[PlyCount "49"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 g6 6. Bg5 Bg7 7. cxd5 exd5 8. Nc3 c6 9. 0-0 0-0 10. Qd2 Re8 11. Bh6 Ne4 12. Nxe4 dxe4 13. Ne1 Nf6 14. Bxg7 Kxg7 15. Nc2 Qb6 16. Ne3 Be6 17. b3 Rad8 18. Rfd1 Rd7 19. Nc4 Bxc4 20. bxc4 Red8 21. e3 Qc7 22. Rab1 b5 23. d5 Qe5 24. Bh3 Ng4 25. Bxg4 1-0

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.03"]
[Round "3.2"]
[White "Schulz, Daniel"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1819"]
[BlackElo "1811"]
[PlyCount "89"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 c5 7. e5 dxe5 8. dxe5 Nd5 9. Ne4 Bh6 10. g3 b6 11. Qe2 Nb4 12. Bc4 Bg4 13. 0-0 N4c6 14. c3 Qc7 15. e6 f6 16. Nf2 Bxf3 17. Qxf3 a6 18. Ng4 Bg7 19. h4 f5 20. Ne3 b5 21. Bd5 Ra7 22. h5 Nd8 23. hxg6 hxg6 24. Ng2 Rf6 25. Re1 a5 26. a4 b4 27. cxb4 axb4 28. Be3 Nxe6 29. Bf2 Ra6 30. Qb3 Qc8 31. Rac1 Kf8 32. Bxe6 Rfxe6 33. Rxc5 Rxe1+ 34. Nxe1 Qe8 35. Qc4 Rc6 36. b3 Rxc5 37. Bxc5 Nc6 38. Qd5 Qc8 39. Nd3 Bc3 40. Bb6 Qa6 41. a5 Bd4+ 42. Bxd4 Nxa5 43. Nc5 Qe2 44. Bf2 Qc2 45. Ne6+ 1-0

[Event "Mecklenburg VP-ch U18"]
[Site "Malchow"]
[Date "2019.02.02"]
[Round "1.5"]
[White "Tratzki, Mark Ulrich"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1191"]
[BlackElo "1811"]
[PlyCount "52"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e4 d6 6. Nf3 Nbd7 7. Be2 c5 8. d5 a6 9. 0-0 Rb8 10. Rb1 b5 11. b3 b4 12. Na4 Nxe4 13. Qc1 Nxg5 14. Qxg5 Nf6 15. Bd3 Bg4 16. Qe3 Bd7 17. Rfe1 Re8 18. Qg5 Ng4 19. h3 Ne5 20. Nxe5 Bxe5 21. Rxe5 dxe5 22. Qxe5 Bxa4 23. bxa4 Qd6 24. Qe3 e6 25. Be4 exd5 26. cxd5 f5 0-1

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2018.12.16"]
[Round "4.4"]
[White "Pawlowicz, Karsten"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1635"]
[BlackElo "1611"]
[PlyCount "120"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bergen Rugia"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 0-0 5. 0-0 d6 6. Nc3 Nbd7 7. e4 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 c6 12. Rad1 Be6 13. b3 h6 14. Bxf6 Bxf6 15. Rxd8+ Rxd8 16. Rd1 Kf8 17. Rxd8+ Bxd8 18. Na4 Ke7 19. Nc5 Bc8 20. Nd3 f6 21. Kf1 Ba5 22. f4 Bc3 23. Ke2 b6 24. Ke3 Kd6 25. h3 h5 26. Kf3 a5 27. Nf2 a4 28. Nd1 Be1 29. Bf1 a3 30. g4 hxg4+ 31. hxg4 exf4 32. Kxf4 g5+ 33. Kf3 Ke5 34. Ne3 Kd4 35. Bd3 Bb4 36. Ke2 b5 37. c4 bxc4 38. bxc4 Ba6 39. Bc2 Bxc4+ 40. Nxc4 Kxc4 41. Ba4 c5 42. Kd1 Kc3 43. Kc1 Kd3 44. Bc6 Ke3 45. Bd7 Kd3 46. Bf5 Kc3 47. Bg6 Ba5 48. Bf5 Bc7 49. e5 fxe5 50. Bc2 Bb6 51. Bg6 c4 52. Bf5 Be3+ 53. Kb1 Kd2 54. Be4 Bd4 55. Bf5 Bb2 56. Bg6 Ke3 57. Kc2 e4 58. Kd1 Kf3 59. Bf5 e3 60. Ke1 Bc3+ 0-1

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2018.11.25"]
[Round "3.4"]
[White "Petrow, Jonas"]
[Black "Dittschlag, Lothar"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1611"]
[BlackElo "1630"]
[PlyCount "75"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Ribnitz Damgarten"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bf4 0-0 6. e3 Nc6 7. Qc2 h6 8. a3 Bxc3+ 9. Qxc3 Ne4 10. Qc2 Bd7 11. Bd3 f5 12. h3 Rc8 13. b4 Ne7 14. c5 Qe8 15. a4 Ng6 16. 0-0 Nxf4 17. exf4 c6 18. Ne5 Rc7 19. Rfb1 a6 20. Rb2 Qc8 21. Ra3 Be8 22. Rab3 Qd8 23. b5 cxb5 24. axb5 b6 25. Bxe4 fxe4 26. c6 a5 27. g3 h5 28. Qd2 h4 29. Qe3 Qf6 30. Rd2 Qf5 31. Kh2 g6 32. Rc3 Rh7 33. g4 Qxf4+ 34. Qxf4 Rxf4 35. c7 Rxc7 36. Rxc7 Bxb5 37. Rc8+ Kg7 38. Rdc2 1-0

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2018.11.11"]
[Round "2.4"]
[White "Schmidt, Paul1"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1704"]
[BlackElo "1611"]
[PlyCount "88"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Torgelow Droegeheide II"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. a3 Be7 8. f4 d6 9. Bd3 b5 10. g4 Nc6 11. Qf3 Nxd4 12. Bxd4 e5 13. Be3 Nxg4 14. Nd5 Bh4+ 15. Kd2 Qc6 16. Bb6 Rb8 17. f5 Nf6 18. Nc7+ Ke7 19. Ba5 Bg5+ 20. Ke2 Rb7 21. Nd5+ Nxd5 22. exd5 Qc5 23. Rhg1 h6 24. Raf1 f6 25. h4 Bxh4 26. Rxg7+ Kf8 27. Bb4 Qxb4 28. axb4 Rxg7 29. c4 bxc4 30. Bxc4 Rg3 31. Qe4 Bg5 32. Kd1 h5 33. Rf3 Rg4 34. Qe2 Bd7 35. Bxa6 Rg1+ 36. Rf1 Ba4+ 37. Ke1 Rg3 38. Rf3 h4 39. Rxg3 hxg3 40. Qg2 Bf4 41. Qf3 Rh2 42. b3 Bxb3 43. Qxb3 Rh1+ 44. Ke2 g2 0-1

[Event "Mecklenburg VP LL2 Ost 1819"]
[Site "Mecklenburg VP"]
[Date "2018.10.21"]
[Round "1.4"]
[White "Rosin, Ralf"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1757"]
[BlackElo "1611"]
[PlyCount "100"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wolgast Motor"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 c6 10. Rd1 Rxd1+ 11. Kxd1 h6 12. Bxf6 Bxf6 13. Kc2 Be6 14. Rd1 Nd7 15. Na4 Be7 16. Ne1 Nc5 17. Nxc5 Bxc5 18. f3 Kg7 19. g3 Kf6 20. h3 Kg5 21. Nd3 Bd4 22. b3 Kf6 23. h4 Ke7 24. f4 f6 25. g4 g5 26. f5 Bf7 27. h5 a5 28. Ne1 a4 29. b4 b5 30. Nf3 Bf2 31. Kc3 Rc8 32. cxb5 Bxa2 33. Kb2 Bb3 34. Rc1 c5 35. b6 c4 36. b7 Rb8 37. Bxc4 Rxb7 38. Bxb3 Rxb4 39. Rc3 Bd4 40. Nxd4 exd4 41. Rc7+ Kd6 42. Rf7 Rxb3+ 43. Ka2 Ke5 44. Re7+ Kf4 45. e5 fxe5 46. f6 Kxg4 47. Rxe5 Rf3 48. Re4+ Kxh5 49. Rxd4 Rxf6 50. Rxa4 g4 0-1

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "7.3"]
[White "Elsken Sicard, Fabian"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1469"]
[BlackElo "1811"]
[PlyCount "58"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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. g4 Nf4 9. h4 f5 10. gxf5 gxf5 11. Qd2 fxe4 12. fxe4 Nd7 13. Nge2 Nc5 14. Nxf4 exf4 15. Bxf4 Nxe4 16. Nxe4 Qe7 17. 0-0-0 Qxe4 18. Bh6 Qxh1 19. Qg5 Rf7 20. Qd8+ Rf8 21. Qg5 Rf7 22. Qd8+ Bf8 23. Qg5+ Kh8 24. Bd3 Bxh6 25. Qxh6 Qg2 26. Qe3 Qf2 27. Qe8+ Rf8 28. Qh5 Qf4+ 29. Kb1 Bf5 0-1

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "2.2"]
[White "Petrow, Jonas"]
[Black "Borkowski, Till Aaron"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1811"]
[BlackElo "1404"]
[PlyCount "65"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. Bd3 Nf6 4. f4 c5 5. c3 Nc6 6. Nd2 Bd7 7. Ngf3 cxd4 8. exd4 Bd6 9. Ne5 Qc7 10. 0-0 0-0-0 11. Nxf7 Bxf4 12. Nf3 Rhf8 13. Nxd8 Kxd8 14. Bxf4 Qxf4 15. Qd2 Qd6 16. Rae1 Ng4 17. Qg5+ Nf6 18. Qxg7 Ne8 19. Qg5+ Kc8 20. Ne5 Rxf1+ 21. Rxf1 Nxe5 22. Qxe5 Qe7 23. Qh8 b6 24. Qxh7 Qg5 25. Bg6 Qe3+ 26. Kh1 Qe2 27. Qf7 Kd8 28. Qf8 a6 29. h3 Qxb2 30. Bxe8 Bxe8 31. Rf7 Qb5 32. Qe7+ Kc8 33. Qc7# 1-0

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "6.4"]
[White "Petrow, Jonas"]
[Black "Gazizov, Max"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "1811"]
[BlackElo "1543"]
[PlyCount "85"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bd3 0-0 9. 0-0 a6 10. a4 Re8 11. Bg5 Bg4 12. h3 Bxf3 13. Qxf3 Nbd7 14. Qe3 Qc7 15. Bh6 Bh8 16. Kh1 c4 17. Bc2 Rab8 18. f4 b5 19. axb5 axb5 20. Ra7 Qc8 21. Ra5 b4 22. Nb5 Nxd5 23. Qd2 Qd8 24. Ra7 Rxb5 25. Ba4 c3 26. bxc3 Bxc3 27. Qd3 Ra5 28. Rxd7 Qc8 29. exd5 Rxa4 30. Rxd6 Ra2 31. Rc6 Qd7 32. Qc4 Rd2 33. Qa6 Qxd5 34. Rg1 Ra2 35. Qb7 Kh8 36. Rc8 Qe6 37. Rc7 Kg8 38. Rc6 Qe4 39. Rc8 Re2 40. Rxe8+ Qxe8 41. Qb6 Re6 42. Qc5 Qc6 43. Qf8# 1-0

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "5.2"]
[White "Petrow, Jonas"]
[Black "Lange, Jannis"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1811"]
[BlackElo "1919"]
[PlyCount "118"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. e3 Bxa6 7. Bxa6 Rxa6 8. Nc3 d6 9. Nf3 Bg7 10. 0-0 0-0 11. Bd2 Nbd7 12. e4 Nb6 13. Qc1 Re8 14. Re1 Nfd7 15. Bh6 Bf6 16. h3 Na4 17. Nxa4 Rxa4 18. Qc2 Qa8 19. a3 Ra6 20. Bd2 Rb8 21. Bc3 Bxc3 22. Qxc3 Qb7 23. Reb1 Rb6 24. Ra2 Rb3 25. Qc2 Qa6 26. Nd2 Qd3 27. Qd1 R3b7 28. b3 Ne5 29. Qc2 Qxc2 30. Rxc2 Ra8 31. Ra1 Rba7 32. Rca2 Nd3 33. Nc4 Rb8 34. Rb1 Rab7 35. Nd2 Ne5 36. Rc2 Kg7 37. Kf1 Ra7 38. Ra1 Rba8 39. Rca2 f5 40. f3 Kf6 41. Ke2 Nd7 42. Nc4 Rb7 43. Rb2 Ne5 44. Ne3 h5 45. f4 Nd7 46. exf5 gxf5 47. Nc4 Nb6 48. Kd3 Nxd5 49. Rf1 Rg8 50. Rf3 h4 51. Ne3 Nxe3 52. Rxe3 Ra8 53. Ke2 Rxa3 54. Kf2 Rb4 55. Kf3 c4 56. Ke2 Rbxb3 57. Rexb3 Rxb3 58. Rc2 d5 59. Kd2 e5 0-1

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "1.2"]
[White "Pfennigschmidt, Lennart Ivo"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1323"]
[BlackElo "1811"]
[PlyCount "130"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d6 4. Bb5 g6 5. Nc3 Bg7 6. h3 Bd7 7. Bxc6 Bxc6 8. d4 cxd4 9. Nxd4 Bd7 10. Be3 a6 11. Qd3 Nf6 12. e5 Nh5 13. g4 Nxf4 14. Bxf4 dxe5 15. Bxe5 Bxe5 16. 0-0-0 Qc7 17. Rde1 Bc6 18. Nxc6 bxc6 19. Qc4 0-0 20. Rhf1 a5 21. Ne4 h6 22. h4 Rab8 23. c3 Rb5 24. Nc5 Bf6 25. h5 g5 26. a4 Rb6 27. Rd1 Rd8 28. Ne4 Rxd1+ 29. Kxd1 Rxb2 30. Nxf6+ exf6 31. Rxf6 Qd8+ 32. Qd4 Qxd4+ 33. cxd4 Rb4 34. Rd6 Rxa4 35. Ke2 Kg7 36. Ke3 Rc4 37. Kd3 Rc1 38. Kd2 Rg1 39. Rxc6 Rxg4 40. Ke3 a4 41. Ra6 a3 42. d5 Rg1 43. d6 Rd1 44. Ke2 Rd5 45. Rxa3 Rxd6 46. Kf3 Rd4 47. Ra6 Rh4 48. Kg3 Rxh5 49. Kg4 Rh4+ 50. Kg3 f6 51. Ra5 Rb4 52. Kh3 Kg6 53. Ra6 h5 54. Ra5 Rb3+ 55. Kg2 g4 56. Ra8 Kg5 57. Rg8+ Kh4 58. Rf8 Rf3 59. Rg8 f5 60. Rg7 f4 61. Rf7 Rg3+ 62. Kh2 f3 63. Kh1 Rg2 64. Rxf3 Rg1+ 65. Kxg1 gxf3 0-1

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "3.2"]
[White "Trams, Emma Joe"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1325"]
[BlackElo "1811"]
[PlyCount "46"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Bg5 Be7 8. 0-0 Nc6 9. Nxc6 dxc6 10. Qf3 b5 11. e5 Nd5 12. Nxd5 cxd5 13. Bxe7 Qxe7 14. c3 0-0 15. Qe2 Bb7 16. Rad1 b4 17. c4 a5 18. b3 Rac8 19. cxd5 Bxd5 20. Be4 Bxe4 21. Qxe4 Qc5 22. Rd2 Qc3 23. Rfd1 Qxd2 0-1

[Event "Mecklenburg VP-ch U16"]
[Site "Malchow"]
[Date "2018.02.07"]
[Round "4.1"]
[White "Wurst, Benedikt"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1673"]
[BlackElo "1811"]
[PlyCount "81"]
[EventDate "2018.02.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Be3 c4 7. Nbd2 b5 8. a4 Nf6 9. axb5 Qxb5 10. Nxc4 Qb8 11. Qc2 Bb7 12. Na5 Nxa5 13. Rxa5 Bd6 14. Bb5+ Kf8 15. 0-0 Bxf3 16. gxf3 Bxh2+ 17. Kg2 Qc7 18. Raa1 Nd5 19. Bd3 h5 20. Be4 h4 21. Rh1 Bf4 22. Bxd5 exd5 23. Rh3 Rh6 24. Rah1 g5 25. Qf5 Bxe3 26. fxe3 Qb6 27. Qc2 Re6 28. Re1 Rb8 29. Re2 Rbe8 30. f4 gxf4 31. Rxh4 fxe3 32. Rh8+ Kg7 33. Qh7+ Kf6 34. Qh4+ Kg7 35. Rh7+ Kg8 36. Kh1 Rg6 37. Rh8+ Kg7 38. Qh7+ Kf6 39. Rxe8 Qb5 40. R8xe3 Qa6 41. Rf3+ 1-0

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.30"]
[Round "7"]
[White "Petrow, Jonas"]
[Black "Seichter, Andreas"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "1640"]
[BlackElo "1768"]
[PlyCount "40"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 Nbd7 8. Be2 dxc4 9. Bxc4 b6 10. 0-0 Bb7 11. Be2 Ne4 12. Bxe7 Qxe7 13. Qc2 Ng5 14. Rac1 c5 15. Rfd1 Rac8 16. d5 Nxf3+ 17. Bxf3 Ne5 18. Be2 Rfd8 19. e4 exd5 20. Nxd5 Bxd5 1/2-1/2

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.29"]
[Round "6"]
[White "Dietz, Andre"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1857"]
[BlackElo "1640"]
[PlyCount "102"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Qe2 dxe4 6. dxe4 Nf6 7. e5 Nd5 8. a3 Be7 9. Bd2 0-0 10. Bg2 a6 11. Nc3 Nxc3 12. Bxc3 Qc7 13. Rd1 b5 14. b4 cxb4 15. axb4 Bb7 16. 0-0 Nxb4 17. Bxb4 Bxb4 18. Rd3 Rfd8 19. Rfd1 Rxd3 20. Qxd3 h6 21. Qd7 Qxd7 22. Rxd7 Bd5 23. Nd4 Bxg2 24. Kxg2 Rc8 25. f4 Kf8 26. f5 exf5 27. Nxf5 Rxc2+ 28. Kh3 Ke8 29. Ra7 Re2 30. Nd6+ Bxd6 31. exd6 Rd2 32. Rxa6 Kd7 33. Rb6 Rxd6 34. Rxb5 Ke6 35. g4 Rd3+ 36. Kg2 Rd5 37. Rb3 Rg5 38. Kf3 h5 39. Rb6+ Ke7 40. Rb7+ Kd6 41. gxh5 f6 42. h6 gxh6 43. Rb4 Ke5 44. Re4+ Kf5 45. h3 Rg3+ 46. Kxg3 Kxe4 47. h4 h5 48. Kg2 Ke3 49. Kg3 f5 50. Kg2 f4 51. Kg1 Ke2 0-1

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.28"]
[Round "4"]
[White "Petrow, Jonas"]
[Black "Schreiber, Nico"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1640"]
[BlackElo "1826"]
[PlyCount "105"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bd6 5. e3 Bxf4 6. exf4 Nc6 7. Nf3 0-0 8. c5 a5 9. Be2 b6 10. cxb6 cxb6 11. 0-0 Qd6 12. Ne5 Na7 13. a3 Ne4 14. Nxe4 dxe4 15. f3 Bb7 16. Nc4 Qxf4 17. fxe4 Qg5 18. Bf3 Rad8 19. Nxb6 Qe3+ 20. Rf2 Rxd4 21. Qe1 Qxe1+ 22. Rxe1 Rfd8 23. Rc2 Ba6 24. Rec1 Bd3 25. Rd2 g6 26. Rcd1 e5 27. Nd5 Bc4 28. Rxd4 exd4 29. Rxd4 Bxd5 30. Rxd5 Rxd5 31. exd5 Kf8 32. Kf2 Ke7 33. Ke3 Kd6 34. Ke4 Nc8 35. Kd4 Nb6 36. b3 h6 37. g4 f6 38. h4 f5 39. gxf5 gxf5 40. a4 Nd7 41. Bg2 Nb6 42. Bf3 Nd7 43. Bh1 Nb6 44. Bg2 Nc8 45. b4 axb4 46. Kc4 b3 47. Kxb3 Kc5 48. Kc3 Nb6 49. Kd3 Nc4 50. a5 Nxa5 51. Ke3 Nc4+ 52. Kf4 Kd6 53. Kxf5 1/2-1/2

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.28"]
[Round "5"]
[White "Raitza, Egon"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "1762"]
[BlackElo "1640"]
[PlyCount "55"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. Qd2 f5 9. 0-0-0 f4 10. Bf2 Nd7 11. g4 fxg3 12. hxg3 Nef6 13. Bh3 Nh5 14. Be6+ Kh8 15. Nh3 Ndf6 16. Ng5 Qe7 17. Bxc8 Raxc8 18. Ne6 Rf7 19. Rh3 a6 20. Rdh1 c6 21. Kb1 cxd5 22. cxd5 b5 23. Be3 Nd7 24. g4 Nhf6 25. Ng5 Rff8 26. Nxh7 Nxh7 27. Rxh7+ Kg8 28. Bh6 1-0

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.27"]
[Round "3"]
[White "Hilbert, Stephan Joerg"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1822"]
[BlackElo "1640"]
[PlyCount "60"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 e6 3. a3 d5 4. e3 Bd6 5. c4 b6 6. Nf3 0-0 7. Qc2 Nbd7 8. d3 Bb7 9. Be2 c5 10. b5 Qc7 11. Nbd2 Ne8 12. 0-0 f5 13. Rac1 Nef6 14. h3 h6 15. cxd5 Bxd5 16. d4 Rac8 17. Qb1 Qb7 18. Nc4 Bb8 19. Rfd1 Ne4 20. dxc5 Nexc5 21. Bd4 e5 22. Ncxe5 Nxe5 23. Bxe5 Be4 24. Qb2 Bxe5 25. Qxe5 Rce8 26. Qg3 Kh7 27. Rd6 Re6 28. Rcd1 Rff6 29. Rxe6 Nxe6 30. Qh4 Qf7 1-0

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.26"]
[Round "1"]
[White "Kiel, Bernd"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1970"]
[BlackElo "1640"]
[PlyCount "66"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. dxc5 Qxd1+ 7. Kxd1 e5 8. b4 e4 9. h3 Bxf3+ 10. gxf3 exf3 11. Bb5 Nge7 12. Nd2 0-0-0 13. Re1 g6 14. Kc2 Bg7 15. Rb1 Nd5 16. Bxc6 bxc6 17. Ne4 f5 18. Nd6+ Rxd6 19. cxd6 Bxc3 20. Rd1 Be5 21. b5 Kd7 22. bxc6+ Kxc6 23. Ba3 Nc3 24. Rb3 Nxd1 25. Kxd1 Rd8 26. Rxf3 Bxd6 27. Rc3+ Kd5 28. Bxd6 Kxd6 29. Ra3 Ke5+ 30. Ke2 Rd7 31. Kf3 g5 32. Ra5+ Ke6 33. Ra6+ Ke5 1/2-1/2

[Event "Rostock SSC op 16th"]
[Site "Rostock"]
[Date "2017.07.26"]
[Round "2"]
[White "Petrow, Jonas"]
[Black "Siebarth, Marco"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1640"]
[BlackElo "2024"]
[PlyCount "20"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Be7 5. Nc3 Bb7 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 d6 10. 0-0 0-0 1/2-1/2

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "5.4"]
[White "Jaeschke, Jonathan"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1206"]
[BlackElo "1649"]
[PlyCount "149"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 f5 5. e3 Nf6 6. Nge2 Be6 7. Nd5 Ne7 8. Nxf6+ gxf6 9. b3 Rb8 10. Bb2 Bg7 11. 0-0 0-0 12. Qc2 Kh8 13. d4 Rg8 14. Rad1 Qe8 15. Qd2 a6 16. Qa5 Qc8 17. f4 b6 18. Qd2 e4 19. d5 Bd7 20. Nd4 Qe8 21. Qe2 Qg6 22. Rd2 Qh6 23. Rc1 Bf8 24. Bf1 Be8 25. Qg2 Qg6 26. Qh3 Rb7 27. Kh1 Bf7 28. Qh4 Bg7 29. Be2 h5 30. Bd1 Kh7 31. Rg2 Rh8 32. a3 Kg8 33. b4 Qh7 34. Nc6 Ng6 35. Qh3 h4 36. g4 Kf8 37. gxf5 Ne7 38. Nd8 Rb8 39. Ne6+ Bxe6 40. fxe6 Rg8 41. Bc2 f5 42. Bxg7+ Rxg7 43. Rcg1 Rxg2 44. Qxg2 a5 45. b5 Ng8 46. Qg6 Qxg6 47. Rxg6 Rc8 48. Bd1 Ne7 49. Rh6 Kg7 50. Rxh4 Rh8 51. Rxh8 Kxh8 52. Kg2 Kg7 53. Kh3 Kh6 54. Kg3 Ng6 55. h4 Ne7 56. h5 Kg7 57. Kh4 Kf6 58. Be2 Ng8 59. Bf1 Nh6 60. Bh3 Ng8 61. h6 Nxh6 62. Kh5 Ng8 63. a4 Ne7 64. Kh6 Ng8+ 65. Kh7 Ne7 66. Bf1 Ng6 67. Kg8 Ke7 68. Kg7 Nf8 69. Bh3 Nxe6+ 70. dxe6 Kxe6 71. Kg6 d5 72. Bxf5+ Kd6 73. cxd5 Kxd5 74. Bxe4+ Kxe4 75. f5 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "4.5"]
[White "Petrow, Jonas"]
[Black "Borkowski, Till Aaron"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1649"]
[BlackElo "1357"]
[PlyCount "107"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bf4 e6 5. e3 b6 6. Nc3 Nbd7 7. Be2 Be7 8. 0-0 0-0 9. Qc2 h6 10. Rac1 Bb7 11. cxd5 cxd5 12. Qd2 Ne4 13. Nxe4 dxe4 14. Bc7 Qe8 15. Ne5 Nxe5 16. Bxe5 Rc8 17. Rxc8 Qxc8 18. Rc1 Qa8 19. Rc7 Bd8 20. Rc2 Re8 21. Bb5 Rf8 22. Bd6 a6 23. Bxf8 Kxf8 24. Ba4 b5 25. Bb3 Qb8 26. Qc3 Kg8 27. a4 bxa4 28. Bxa4 Bd5 29. Bc6 Qd6 30. Bxd5 Qxd5 31. Rc1 a5 32. Qc4 Be7 33. Qxd5 exd5 34. Rc8+ Kh7 35. Ra8 Bb4 36. Rd8 Kg6 37. Rxd5 Kf6 38. Kf1 Ke6 39. Rb5 f5 40. Ke2 g6 41. f3 Kf6 42. fxe4 fxe4 43. b3 h5 44. Re5 Bd6 45. Rxe4 Bxh2 46. d5 Be5 47. Ra4 Bc3 48. Rc4 Bb4 49. Kf3 Ke5 50. e4 g5 51. Ke3 g4 52. Rxb4 axb4 53. g3 Kf6 54. Kf4 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "2.5"]
[White "Petrow, Jonas"]
[Black "Noske, Janek"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1649"]
[BlackElo "1132"]
[PlyCount "83"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. f4 Bd6 5. Nf3 c5 6. c3 b6 7. 0-0 Ba6 8. Bxa6 Nxa6 9. Ne5 Bxe5 10. fxe5 Ne4 11. Qa4+ Qd7 12. Qxa6 0-0 13. Qe2 f6 14. exf6 Rxf6 15. Rxf6 Nxf6 16. Nd2 Rf8 17. Nf3 Qe7 18. Bd2 Qf7 19. Ne5 Qh5 20. Qxh5 Nxh5 21. Rf1 Rxf1+ 22. Kxf1 Kf8 23. Kf2 Ke7 24. Nc6+ Kf6 25. g4 Kg5 26. gxh5 Kxh5 27. Nxa7 g5 28. a4 Kg4 29. Kg2 h5 30. dxc5 bxc5 31. a5 h4 32. a6 h3+ 33. Kf2 Kh4 34. Nc6 g4 35. a7 g3+ 36. hxg3+ Kg4 37. a8Q h2 38. Qg8+ Kf5 39. Qf7+ Kg4 40. Qg6+ Kh3 41. Ne5 h1Q 42. Qh5# 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "6.5"]
[White "Petrow, Jonas"]
[Black "Troemer, Axel"]
[Result "0-1"]
[ECO "E85"]
[WhiteElo "1649"]
[BlackElo "1355"]
[PlyCount "72"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Nge2 e5 8. d5 Nh5 9. g4 Nhf6 10. Qd2 Nb6 11. Ng3 Ne8 12. 0-0-0 f5 13. gxf5 gxf5 14. Nh5 f4 15. Bf2 Bh6 16. Bxb6 axb6 17. Ng3 c6 18. Rg1 Kh8 19. Nh1 cxd5 20. Nxd5 Rxa2 21. Kb1 Ra8 22. Nf2 Be6 23. Nd3 Bxd5 24. cxd5 Nf6 25. Bh3 Nd7 26. Qb4 Nc5 27. Nxc5 bxc5 28. Qxb7 Qa5 29. Qb3 Rfb8 30. Qc4 Qa1+ 31. Kc2 Qxb2+ 32. Kd3 Rb3+ 33. Qxb3 Qxb3+ 34. Ke2 Ra2+ 35. Ke1 Qe3+ 36. Kf1 Qf2# 0-1

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "1.5"]
[White "Pusch, Lucas"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1140"]
[BlackElo "1649"]
[PlyCount "95"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 Be7 6. Nge2 0-0 7. 0-0 d5 8. Nf4 d4 9. Nce2 Qc7 10. c3 Rb8 11. b3 dxc3 12. Nxc3 Nd4 13. Bb2 b6 14. Nfe2 Ba6 15. Rc1 Qd7 16. Nxd4 Qxd4 17. Nd5 Qxb2 18. Nxe7+ Kh8 19. Rc2 Qa3 20. Nc6 Rbc8 21. Ne5 Qb4 22. Rd2 Qd4 23. Nf3 Qd7 24. Qc2 Rfd8 25. Ne5 Qc7 26. f4 Ng8 27. Rc1 f6 28. Nf3 Qd7 29. Rcd1 Ne7 30. Bh3 Nc6 31. Qc3 Nd4 32. Kf2 Rc6 33. Ke3 Rd6 34. Bf1 Bb7 35. a4 Nxf3 36. Kxf3 f5 37. Ke3 fxe4 38. d4 Rc8 39. dxc5 Rxd2 40. Rxd2 Qe7 41. Bg2 Rxc5 42. Qb4 e5 43. Bxe4 Bxe4 44. Qxe4 h6 45. fxe5 Qg5+ 46. Kd3 Rxe5 47. Qf4 Qd8+ 48. Kc2 1/2-1/2

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "3.3"]
[White "Schulz, Daniel"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1819"]
[BlackElo "1649"]
[PlyCount "43"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 Qxd5 5. Nf3 Nc6 6. Be2 Nf6 7. 0-0 Be7 8. Be3 c4 9. Nbd2 b5 10. a4 Ba6 11. axb5 Bxb5 12. b3 cxb3 13. c4 Qd6 14. cxb5 Nb4 15. Qxb3 0-0 16. Rfc1 Rfb8 17. Ne5 a5 18. Nc6 Rc8 19. Nc4 Qc7 20. Nb6 Qxb6 21. Nxe7+ Kh8 22. Nxc8 1-0

[Event "Mecklenburg VP-ch Youth"]
[Site "Malchow"]
[Date "2017.02.16"]
[Round "7.7"]
[White "Wolfgramm, Egon"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1160"]
[BlackElo "1649"]
[PlyCount "38"]
[EventDate "2017.02.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bd3 d6 6. Nbd2 Nbd7 7. h3 Qe8 8. 0-0 e5 9. Bh2 e4 10. Bxe4 Nxe4 11. Nxe4 Qxe4 12. Ng5 Qe7 13. f4 Qxe3+ 14. Kh1 Qxd4 15. Qc1 Qxb2 16. Qxb2 Bxb2 17. Rab1 Bg7 18. g4 b6 19. f5 Bb7+ 0-1

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "1.4"]
[White "Elsken Sicard, Fabian"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1077"]
[BlackElo "1437"]
[PlyCount "92"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 b6 5. Bf4 Bb7 6. e3 Be7 7. Be2 0-0 8. 0-0 d5 9. b3 Nbd7 10. Ng5 Qb8 11. Nxe6 Rc8 12. Nb5 Ne8 13. Bg4 fxg4 14. Qxg4 Ndf6 15. Qg3 Nh5 16. Qf3 Nxf4 17. Qxf4 c6 18. Qxb8 Raxb8 19. Nxa7 Rc7 20. Nxc7 Nxc7 21. Nxc6 Bxc6 22. Rfc1 Ne6 23. cxd5 Bxd5 24. f3 Bb7 25. Rd1 Bf6 26. Rac1 Rd8 27. Rc4 h6 28. f4 Nc5 29. Rdc1 Ne4 30. Rb4 Rd6 31. Rc7 Bd5 32. Rc8+ Kh7 33. Rb8 Bd8 34. Rc8 Bh4 35. Rb5 Bf2+ 36. Kf1 Bxe3 37. Rb4 Bxf4 38. Rf8 Bxh2 39. Rb5 Nf6 40. Kf2 Bf4 41. g3 Ne4+ 42. Kg1 Bxg3 43. Rf5 Nf6 44. Kf1 g6 45. Rbxd5 Nxd5 46. Rf3 Rf6 0-1

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "3.3"]
[White "Lange, Jannis"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1738"]
[BlackElo "1437"]
[PlyCount "99"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. a3 Be7 8. Be2 0-0 9. Qd2 b5 10. Bf4 e5 11. Nf5 Bxa3 12. bxa3 exf4 13. Ne7+ Kh8 14. Ned5 Qc6 15. Bf3 Bb7 16. 0-0 Nxd5 17. Nxd5 Qc5 18. Nxf4 Qe5 19. Nd5 d6 20. Rad1 Nd7 21. Qc3 Rac8 22. Qd3 Rc6 23. Nb4 Rc3 24. Qxd6 Qxd6 25. Rxd6 Ne5 26. Rb6 Bc8 27. Nxa6 Rxa3 28. Nc7 Nxf3+ 29. gxf3 Rxf3 30. Nxb5 Bh3 31. Re1 Rf4 32. Re3 Bg4 33. Kg2 g5 34. Nc3 f5 35. f3 Bh5 36. Nd5 Rh4 37. exf5 Rxf5 38. Rb8+ Kg7 39. Re7+ Bf7 40. Ne3 Rff4 41. Ng4 h5 42. Ne5 Rf5 43. Rbb7 Rhf4 44. Rxf7+ Rxf7 45. Nxf7 Rxf7 46. Rxf7+ Kxf7 47. Kg3 Kf6 48. f4 gxf4+ 49. Kxf4 Ke6 50. Kg5 1-0

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "4.5"]
[White "Petrow, Jonas"]
[Black "Borkowski, Till Aaron"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1437"]
[BlackElo "1247"]
[PlyCount "101"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bd6 5. Bg5 Nbd7 6. e3 0-0 7. cxd5 exd5 8. Nxd5 Re8 9. a3 c6 10. Nc3 Qc7 11. Bd3 h6 12. Bh4 a6 13. Qc2 Kh8 14. Bg3 b5 15. Bxd6 Qxd6 16. 0-0 c5 17. h3 Bb7 18. Be2 Ne4 19. dxc5 Qxc5 20. Rac1 Qf5 21. Nd4 Qg5 22. Bf3 Nd6 23. Bxb7 Nxb7 24. Rfd1 Ne5 25. b3 Rac8 26. Qe2 Qf6 27. Rc2 Nc5 28. Nd5 Qd8 29. Nc3 Qd7 30. Ndxb5 Qe6 31. Nd6 Qxb3 32. Nxe8 Rxe8 33. Nd5 Ned3 34. Nf4 Nxf4 35. Qc4 Nfe6 36. a4 Qxa4 37. Qxa4 Nxa4 38. Rc6 Nac5 39. Rc1 g6 40. R6xc5 Nxc5 41. Rxc5 Ra8 42. Ra5 Kg7 43. Kf1 Kf6 44. Ke2 Ke6 45. Kd3 f5 46. Kd4 Rd8+ 47. Kc3 Rc8+ 48. Kd3 Rd8+ 49. Ke2 Rd6 50. f3 Kf6 51. f4 1/2-1/2

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "2.3"]
[White "Petrow, Jonas"]
[Black "Stadach, Pepe"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1437"]
[BlackElo "1240"]
[PlyCount "56"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. Bg5 Be7 6. e3 0-0 7. Bd3 b6 8. 0-0 Bb7 9. Qc2 Nb4 10. Qe2 Nxd3 11. Qxd3 c5 12. dxc5 bxc5 13. cxd5 Nxd5 14. Bxe7 Qxe7 15. Rac1 Rac8 16. b3 Rfd8 17. Qe2 Rc6 18. Ne5 Rcd6 19. Ne4 Ba6 20. Nc4 R6d7 21. Rfe1 Nb4 22. Rc3 f5 23. Ng3 Rd2 24. Qxd2 Rxd2 25. Nxd2 Nxa2 26. Rc2 Nb4 27. Rc3 Qd6 28. Nf3 Bb7 1/2-1/2

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "7.3"]
[White "Petrow, Jonas"]
[Black "Wurst, Benedikt"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1437"]
[BlackElo "1648"]
[PlyCount "60"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 h6 7. Bh4 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. a3 0-0 12. 0-0 N7f6 13. Qc2 Bd7 14. Bd3 Rac8 15. Ne5 c5 16. dxc5 Rxc5 17. Nxd7 Qxd7 18. Qd2 Nxc3 19. bxc3 Rd5 20. Rab1 b6 21. Bh7+ Nxh7 22. Qc2 Nf6 23. Rb4 Rc8 24. Rc1 Rdc5 25. c4 Qc6 26. Qd3 a5 27. Rb2 Rxc4 28. Rd1 Rc1 29. h3 Rxd1+ 30. Qxd1 Qc1 0-1

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "6.4"]
[White "Petrow, Jonas"]
[Black "Yevtushenko, Yaroslav"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "1437"]
[BlackElo "2116"]
[PlyCount "65"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 d6 4. Nc3 g6 5. e4 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 Nc6 9. h3 Qc7 10. f4 Nxd4 11. Bxd4 e5 12. fxe5 dxe5 13. Be3 b6 14. Bg5 Qc6 15. Kh1 Rb8 16. Bb5 Qe6 17. Qf3 Nd7 18. b3 Bb7 19. Rad1 Nc5 20. Bc4 Qe8 21. Rd6 b5 22. Bxb5 Bxe4 23. Qe2 Qc8 24. Bd7 Bxg2+ 25. Qxg2 Nxd7 26. Rc6 Qb7 27. Nd5 Kh8 28. Rc7 Qa6 29. Rxd7 f6 30. Be3 Rbd8 31. Rxa7 Qb5 32. c4 Qb4 33. Nxb4 1-0

[Event "Mecklenburg VP U14"]
[Site "Malchow"]
[Date "2016.02.02"]
[Round "5.5"]
[White "Toemer, Axel"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1120"]
[BlackElo "1437"]
[PlyCount "82"]
[EventDate "2016.02.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. Nf3 Nc6 4. d4 d5 5. e5 Qb6 6. Be3 Qxb2 7. Nbd2 Qxc3 8. Bb5 Bd7 9. Bxc6 Bxc6 10. 0-0 c4 11. Nb1 Qa5 12. Qc2 Ne7 13. Nc3 Nf5 14. Rab1 Be7 15. Ne2 0-0 16. Ng3 Nxe3 17. fxe3 f5 18. exf6 Bxf6 19. Nh5 Ba4 20. Qc1 b5 21. Nxf6+ Rxf6 22. Qa3 Qc7 23. Qb2 a5 24. Qe2 b4 25. Ng5 Qe7 26. Qh5 Bc2 27. Rbc1 Bg6 28. Qg4 Bf5 29. Qh4 Rh6 30. Qf4 Rg6 31. Nf3 Rg4 32. Qe5 Re4 33. Qg3 Rxe3 34. Rce1 Rxe1 35. Rxe1 Rc8 36. Nh4 Be4 37. Rc1 c3 38. Nf3 Qf6 39. Ne5 Qe7 40. Qf2 a4 41. Qe2 Qb7 0-1

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.02.04"]
[Round "7.2"]
[White "Petrow, Jonas"]
[Black "Schumacher, Ole"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1262"]
[BlackElo "1354"]
[PlyCount "74"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 d6 6. Be3 cxd4 7. Nxd4 Ng4 8. Bg5 Qb6 9. Be3 Nxe3 10. fxe3 Nc6 11. Ndb5 a6 12. Nd5 Qa5+ 13. Qd2 axb5 14. cxb5 Ne5 15. b4 Qd8 16. b6 0-0 17. Nc7 Ra3 18. Rc1 Qd7 19. Bb5 Qg4 20. Nd5 Qh4+ 21. g3 Qxe4 22. Nxe7+ Kh8 23. Rf1 Bh3 24. Rf2 Qh1+ 25. Bf1 Bxf1 26. Rxf1 Nf3+ 27. Ke2 Qxh2+ 28. Rf2 Qxf2+ 29. Kxf2 Nxd2 30. Rc7 Rb8 31. Nc8 Rc3 32. Nxd6 Ne4+ 33. Nxe4 Rxc7 34. bxc7 Rc8 35. Ke2 Rxc7 36. Kd3 Kg8 37. Nd6 Rd7 0-1

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.02.03"]
[Round "6.1"]
[White "Petrow, Jonas"]
[Black "Schulz, Daniel"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1262"]
[BlackElo "1397"]
[PlyCount "54"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bc5 7. d4 Bb6 8. Ba3 Nd7 9. e4 c5 10. d5 Qf6 11. Qd2 exd5 12. exd5 0-0 13. Ne2 Ne5 14. 0-0 Bh3 15. Nf4 Bxg2 16. Kxg2 Nc4 17. Qc1 Rfe8 18. Nd3 Qf5 19. Rd1 Qxd5+ 20. Kg1 Qf5 21. Bb2 Rad8 22. Nxc5 Qxc5 23. Qc2 Rxd1+ 24. Rxd1 Nxb2 25. Qxb2 h6 26. Rd7 Re1+ 27. Kg2 Qc6+ 0-1

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.02.03"]
[Round "5.2"]
[White "Schulte, Felix"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1124"]
[BlackElo "1262"]
[PlyCount "64"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bf4 Nf6 6. Bd3 Qa5+ 7. Nc3 e5 8. Bd2 exd4 9. Nd5 Qd8 10. Bg5 Be7 11. Bxf6 Bxf6 12. 0-0 0-0 13. Re1 d6 14. Qh5 h6 15. f4 Nc6 16. Bc4 b5 17. Bb3 Be6 18. Rad1 Rc8 19. f5 Bxd5 20. Bxd5 Nb4 21. Bb3 Nxc2 22. Re2 Ne3 23. Rde1 Rc5 24. Rf2 Re5 25. Bc2 Qa5 26. Ree2 Qxa2 27. h3 d5 28. Rf3 dxe4 29. Rfxe3 dxe3 30. Rxe3 Qxb2 31. Bxe4 Qd4 32. Qf3 Bg5 0-1

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.02.02"]
[Round "4.4"]
[White "Petrow, Jonas"]
[Black "Warda, Leonardo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1262"]
[BlackElo "1164"]
[PlyCount "95"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. f4 Bd7 5. Nf3 Be7 6. 0-0 a6 7. Nbd2 b5 8. Ne5 Nc6 9. Ndf3 Ne4 10. Nxd7 Qxd7 11. Ne5 Nxe5 12. fxe5 c5 13. Qg4 0-0 14. Bxe4 dxe4 15. Qxe4 c4 16. Bd2 Qd5 17. Qxd5 exd5 18. Ba5 Bg5 19. Rae1 Rfe8 20. e4 dxe4 21. Rxe4 Bf6 22. Rf5 Bd8 23. Bb4 g6 24. Rf2 Bb6 25. c3 a5 26. Bd6 Ba7 27. Kf1 Bb8 28. Bc5 Ba7 29. Bd6 Bb8 30. Bxb8 Raxb8 31. Rf6 Re6 32. Ref4 Rf8 33. Rxe6 fxe6 34. Rxf8+ Kxf8 35. Kf2 Ke7 36. Ke3 Kd7 37. g3 Kc6 38. Ke4 h6 39. h3 b4 40. h4 h5 41. a3 bxc3 42. bxc3 a4 43. Kf4 Kd5 44. Ke3 Kc6 45. Ke4 Kd7 46. d5 exd5+ 47. Kxd5 Ke7 48. e6 1-0

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.02.01"]
[Round "3.3"]
[White "Langer, Moritz"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "D92"]
[WhiteElo "1670"]
[BlackElo "1262"]
[PlyCount "124"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Nf3 c6 7. c5 Bf5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. 0-0 Nh5 11. b4 Nxf4 12. exf4 Qc7 13. g3 b5 14. Rae1 Rae8 15. Re2 a5 16. a3 axb4 17. axb4 Qa7 18. Ra2 Qb7 19. Ne5 f6 20. Nxd7 Qxd7 21. Rfa1 Rb8 22. Kg2 Rfc8 23. Qe2 Kf7 24. Qd3 Rc7 25. Ra6 Rbb7 26. h4 h5 27. Ra8 e6 28. R1a2 f5 29. Nb1 Ra7 30. Nd2 Rxa2 31. Rxa2 Ra7 32. Rb2 Ra4 33. Nf3 Qa7 34. Qe3 Bf6 35. Ng5+ Bxg5 36. fxg5 Qd7 37. Re2 Qe7 38. Rb2 Qc7 39. Kf3 Qb8 40. Rb3 Qc7 41. Qc3 Ke7 42. Qe3 Kf7 43. Qf4 Qxf4+ 44. Kxf4 Ke7 45. Ke3 Kd7 46. Kd3 Ke7 47. Rb2 Kd7 48. Kc3 Ra3+ 49. Kd2 Rf3 50. Ke2 Ra3 51. Kd2 e5 52. dxe5 Ke6 53. Kc1 d4 54. Rd2 Kxe5 55. Re2+ Kd5 56. Re8 Kc4 57. Re6 Kc3 58. Kb1 d3 59. Rxc6 d2 60. Rd6 Rb3+ 61. Ka2 Kc2 62. c6 Rc3 0-1

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.02.01"]
[Round "2.3"]
[White "Petrow, Jonas"]
[Black "Lange, Jannis"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1262"]
[BlackElo "1660"]
[PlyCount "58"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. Bd3 Nf6 4. f4 c5 5. c3 Nc6 6. Nf3 Bd6 7. 0-0 Qb6 8. Nbd2 Bd7 9. Ne5 cxd4 10. cxd4 Bxe5 11. fxe5 Nxe5 12. dxe5 Qxe3+ 13. Kh1 Qxe5 14. Nf3 Qd6 15. Re1 Ng4 16. Qe2 Qb6 17. Rf1 0-0 18. h3 Nf6 19. Be3 Qd6 20. Rac1 Rac8 21. Bd4 Nh5 22. Bxh7+ Kh8 23. Qe3 Ng3+ 24. Kg1 Kxh7 25. Qg5 Ne2+ 26. Kh1 f6 27. Bxf6 Rxf6 28. Qh5+ Kg8 29. Ng5 Ng3+ 0-1

[Event "Mecklenburg VP-ch U14"]
[Site "Malchow"]
[Date "2015.01.31"]
[Round "1.8"]
[White "Stobbe, Virginie Josephine"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "824"]
[BlackElo "1262"]
[PlyCount "80"]
[EventDate "2015.01.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. Bc4 a6 5. d3 b5 6. Bb3 Qc7 7. Be3 Nf6 8. Qe2 Bb7 9. 0-0 Be7 10. g3 0-0 11. Rad1 Rad8 12. Rfe1 d5 13. exd5 exd5 14. Bf4 Qd7 15. Be5 Qf5 16. a3 d4 17. Ne4 Nxe5 18. Nh4 Qd7 19. c3 Nxe4 20. dxe4 d3 21. Qe3 c4 22. Ba2 a5 23. Qf4 Qe6 24. b3 Rc8 25. Nf5 h6 26. b4 Bg5 27. Nd4 Bxf4 28. Nxe6 fxe6 29. gxf4 Nf3+ 30. Kf1 Nxe1 31. Kxe1 a4 32. f3 Rxf4 33. Kf2 Rcf8 34. Ke3 e5 35. Rf1 R8f6 36. h3 Rg6 37. h4 Rg2 38. Re1 Rxa2 39. h5 Rb2 40. Rb1 Re2# 0-1

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.13"]
[Round "5.4"]
[White "Petrow, Jonas"]
[Black "Utecht, Hauke"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1194"]
[BlackElo "1632"]
[PlyCount "25"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Stade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. f4 c5 5. c3 Bd6 6. Nf3 Nc6 7. 0-0 0-0 8. Ne5 Qc7 9. Nd2 Bd7 10. Ndf3 a6 11. Qc2 b5 12. Ng5 h6 13. Bh7+ 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.13"]
[Round "6.4"]
[White "Stuelcken, Philipp"]
[Black "Petrow, Jonas"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1366"]
[BlackElo "1194"]
[PlyCount "70"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Luebeck"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 g6 3. Bc4 Bg7 4. Ne2 Nf6 5. Nbc3 c6 6. Be3 b5 7. Bd3 Nbd7 8. Ng3 a5 9. a4 b4 10. Nce2 Ba6 11. Bxa6 Rxa6 12. 0-0 Qc7 13. Qd2 c5 14. c3 0-0 15. Bh6 Rb6 16. Bxg7 Kxg7 17. Rab1 c4 18. f4 e5 19. fxe5 dxe5 20. Kh1 Qc6 21. cxb4 Rxb4 22. Nc3 Re8 23. Qd1 exd4 24. Qxd4 Nc5 25. e5 Ng8 26. e6+ f6 27. Nce4 Nxe6 28. Qa7+ Re7 29. Qxa5 Rxa4 30. Qc3 Rd7 31. Nxf6 Rd4 32. Nxg8 Kxg8 33. Rf6 Rd6 34. Qe5 Qd7 35. Rbf1 Raa6 1/2-1/2

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.12"]
[Round "4.4"]
[White "Palzer, Luca"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1163"]
[BlackElo "1194"]
[PlyCount "95"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Hamburg Eppendorf"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 Nbd7 6. Be3 c6 7. a4 0-0 8. 0-0 b6 9. Qe2 Bb7 10. Rfe1 c5 11. d5 Qc7 12. Nb5 Qb8 13. Bd2 Ng4 14. Bc3 Nde5 15. Nxe5 Nxe5 16. Bb3 Qc8 17. f4 Nd7 18. Bxg7 Kxg7 19. Qf3 Kg8 20. c4 a6 21. Nc3 Qc7 22. Bc2 f6 23. Re3 Rf7 24. Rf1 Raf8 25. Bd1 g5 26. Qg3 Rg7 27. Bg4 gxf4 28. Qxf4 Ne5 29. Be6+ Nf7 30. Rff3 Bc8 31. Rg3 Rxg3 32. Rxg3+ Kh8 33. Rh3 Bxe6 34. dxe6 Ng5 35. Rh5 Rg8 36. Kh1 Rg7 37. Nd5 Qd8 38. Qf5 Qe8 39. Rh6 Qg8 40. Nf4 a5 41. b3 Qf8 42. h4 Qg8 43. hxg5 Rxg5 44. Qh3 Rg3 45. Qh2 Qg7 46. Rh3 Rg4 47. Rh4 Rg3 48. Nh5 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.12"]
[Round "3.4"]
[White "Petrow, Jonas"]
[Black "Sinnhoefer, Jonas"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1194"]
[BlackElo "1226"]
[PlyCount "95"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Delmenhorst"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. e3 Bf5 3. Bd3 Bxd3 4. Qxd3 c6 5. f4 Nf6 6. Nf3 Nbd7 7. 0-0 e6 8. Nbd2 Bd6 9. Ne5 Ng8 10. c4 Ne7 11. c5 Nxe5 12. fxe5 Bc7 13. Rf2 0-0 14. Qf1 Nf5 15. Qd3 f6 16. exf6 Rxf6 17. e4 Nh4 18. Nf3 Nxf3+ 19. Rxf3 Rxf3 20. Qxf3 Qh4 21. g3 dxe4 22. Qe2 Bxg3 23. hxg3 Qxg3+ 24. Qg2 Qd3 25. Qd2 Qf3 26. Qe3 Qg4+ 27. Kf2 Rf8+ 28. Ke1 Rf3 29. Qg5 Qxg5 30. Bxg5 Rg3 31. Bc1 Rd3 32. Ke2 Rxd4 33. Be3 Rd5 34. Rf1 e5 35. Rf5 g6 36. Rf6 Rd7 37. Re6 Kf7 38. Rxe5 Re7 39. Rg5 h6 40. Rg4 g5 41. Rg3 Kg6 42. Rg4 Re6 43. b3 Kh5 44. Rg1 Kh4 45. Bf2+ Kh5 46. Be3 Kh4 47. Bf2+ Kh5 48. Be3 1/2-1/2

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.11"]
[Round "2.4"]
[White "Lellek, Lewin Louis"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1478"]
[BlackElo "1194"]
[PlyCount "46"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg Aufbau Elbe"]
[BlackTeam "Rostock Makkabi"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. c4 Nbd7 9. Nc3 Ne5 10. Bd2 b6 11. Kh1 Bb7 12. f4 Nxd3 13. Qxd3 Rc8 14. b3 Be7 15. Rad1 0-0 16. e5 dxe5 17. fxe5 Nd7 18. Qg3 Kh8 19. Bg5 Qd8 20. Bxe7 Qxe7 21. Rf4 Rcd8 22. Nf3 Nc5 23. Rh4 Rg8 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.11"]
[Round "1.4"]
[White "Petrow, Jonas"]
[Black "Goeths, Carl"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1194"]
[BlackElo "1051"]
[PlyCount "77"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Schwerin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. e3 Bf5 3. Bd3 Bxd3 4. Qxd3 Nf6 5. f4 e6 6. Nf3 Nc6 7. 0-0 Be7 8. Nbd2 0-0 9. Ne5 Nxe5 10. fxe5 Nd7 11. Nb3 c5 12. Qe2 f6 13. exf6 Rxf6 14. Rxf6 Bxf6 15. dxc5 Be7 16. Qg4 Kf7 17. Qh5+ Kg8 18. Qg4 Nf8 19. Bd2 Rc8 20. Bb4 b6 21. Nd4 Qd7 22. c6 Qe8 23. Nxe6 Ng6 24. Bxe7 Qxe7 25. c7 Qd7 26. Qh3 Rxc7 27. Nxc7 Qxc7 28. Qe6+ Qf7 29. Qxf7+ Kxf7 30. Kf2 Ne5 31. Rd1 Ke6 32. Rd4 g6 33. e4 Ng4+ 34. Kg3 Ne3 35. c3 Ke5 36. Kf3 Nf1 37. Rxd5+ Ke6 38. h3 a5 39. Kf2 1-0

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.14"]
[Round "11"]
[White "Ziegenfuss, Larissa"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1316"]
[BlackElo "1220"]
[PlyCount "100"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nbd2 Qc7 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 d6 9. h3 a6 10. Nf1 b5 11. Be3 Re8 12. N1d2 d5 13. c3 dxe4 14. dxe4 Bb7 15. Qc2 Red8 16. Nh2 Ne5 17. Bf4 Qd6 18. Rad1 Qd3 19. Qc1 Nc4 20. Nb3 Nxb2 21. Qxb2 Qxd1 22. Rxd1 Rxd1+ 23. Nf1 Rd7 24. Qe2 Rad8 25. Bg5 Rc8 26. Qe3 c4 27. Nd4 Bc5 28. e5 Bxg2 29. Kxg2 Nd5 30. Qd2 Nxc3 31. Qxc3 Rxd4 32. Be3 Rd3 33. Qc2 Ba3 34. Nd2 Rcd8 35. Kf1 c3 36. Nb3 Rd1+ 37. Kg2 R1d3 38. Bb6 R8d7 39. Nc5 Bxc5 40. Bxc5 a5 41. Be3 Rxe3 42. Kf1 Rd2 43. Qc1 Red3 44. Kg2 c2 45. Qb2 h6 46. Qc1 Re2 47. Qf1 Rdd2 48. Kf3 Rxf2+ 49. Qxf2 Rxf2+ 50. Kxf2 c1Q 0-1

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.13"]
[Round "10"]
[White "Petrow, Jonas"]
[Black "Lesny, Florian"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1220"]
[BlackElo "1456"]
[PlyCount "74"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. f4 Nbd7 5. Nf3 c5 6. c3 Be7 7. 0-0 0-0 8. Nbd2 b6 9. Ne5 Nxe5 10. fxe5 Nd7 11. b3 f6 12. Qh5 f5 13. Rf3 g6 14. Qh3 Rf7 15. Rf1 Rb8 16. c4 Bb7 17. cxd5 Bxd5 18. Bc4 Bxc4 19. bxc4 Nf8 20. Nb3 Rc8 21. Bb2 cxd4 22. exd4 Rxc4 23. Qd3 Rc8 24. Rad1 Bg5 25. d5 exd5 26. Qxd5 Qxd5 27. Rxd5 Re7 28. Rd6 Rc2 29. Ba3 Rxa2 30. Bb4 Rxe5 31. Rfd1 Re8 32. Nd4 Be7 33. Nc6 Bxd6 34. Rxd6 Ree2 35. g3 Ra1+ 36. Rd1 Rxd1+ 37. Be1 Rdxe1# 0-1

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.12"]
[Round "8"]
[White "Petrow, Jonas"]
[Black "Fricke, Edna Marlene"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1220"]
[BlackElo "1081"]
[PlyCount "89"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. Bd3 Bxd3 4. Qxd3 c6 5. f4 e6 6. Nf3 Nf6 7. 0-0 Be7 8. Nbd2 0-0 9. Ne5 Nbd7 10. Ndf3 Nxe5 11. Nxe5 Bd6 12. Bd2 Bxe5 13. fxe5 Ne4 14. Bb4 Re8 15. Rf3 b6 16. Raf1 c5 17. Be1 Re7 18. Bh4 f6 19. exf6 gxf6 20. Bxf6 Nxf6 21. Rxf6 Re8 22. g3 Qe7 23. Qe2 Rf8 24. Qg4+ Kh8 25. Qxe6 Qxe6 26. Rxe6 Rxf1+ 27. Kxf1 Rf8+ 28. Ke2 Rb8 29. Re7 cxd4 30. exd4 a5 31. Rd7 Re8+ 32. Kd2 Re4 33. Rxd5 Kg7 34. c3 a4 35. Rd7+ Kf6 36. Rxh7 Ke6 37. Rh6+ Kd5 38. Rxb6 Rh4 39. gxh4 Ke4 40. h5 Kd5 41. h6 a3 42. bxa3 Ke4 43. h7 Kd5 44. h8Q Kc4 45. Qg8# 1-0

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.11"]
[Round "7"]
[White "Kukulina, Sonja"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1162"]
[BlackElo "1220"]
[PlyCount "71"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. f3 Be7 8. Be2 b5 9. a3 Bb7 10. Qd2 0-0 11. 0-0-0 d5 12. Bd3 Nbd7 13. h4 Nb6 14. h5 Nc4 15. Bxc4 bxc4 16. h6 g6 17. g4 Rab8 18. e5 Nd7 19. f4 Ba8 20. f5 Qc5 21. Nb1 Qb6 22. Qc3 Qb7 23. fxg6 fxg6 24. Nxe6 Rf3 25. Rdf1 Rg3 26. Rhg1 Rxg1 27. Rxg1 Qc6 28. Nf4 Rf8 29. g5 Rf5 30. e6 Ne5 31. Bd4 Rxf4 32. Bxe5 d4 33. Bxd4 Bf8 34. Bg7 Be7 35. Qe5 Bd6 36. Rd1 1-0

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.11"]
[Round "6"]
[White "Petrow, Jonas"]
[Black "Reuker, Ronja"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1220"]
[BlackElo "945"]
[PlyCount "62"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bd2 0-0 6. a3 Bxc3 7. Bxc3 d6 8. e3 Nbd7 9. Bd3 Ne4 10. Bxe4 fxe4 11. Nd2 d5 12. cxd5 exd5 13. Bb4 Rf5 14. Rc1 c6 15. Qg4 Qf6 16. Rf1 Rg5 17. Qe2 Rxg2 18. h4 Qxh4 19. Bd6 Rg6 20. Bg3 Qh3 21. Kd1 Nf6 22. Kc2 Qd7 23. Rh1 a5 24. Nb3 b6 25. a4 Ba6 26. Qd2 Ne8 27. Bf4 Bd3+ 28. Kd1 Qg4+ 29. f3 Qxf3+ 30. Ke1 Qxh1+ 31. Kf2 Rg2# 0-1

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.10"]
[Round "5"]
[White "Rosenhain, Rachela"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1579"]
[BlackElo "1220"]
[PlyCount "41"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e5 9. Qd3 Be7 10. 0-0-0 Ng4 11. Bxe7 Qxe7 12. Qe2 0-0 13. h3 Nf6 14. g4 Qc7 15. Nh2 Rac8 16. g5 Nd7 17. h4 b5 18. h5 Nb6 19. h6 g6 20. Qf3 b4 21. Qf6 1-0

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.09"]
[Round "3"]
[White "Albert, Eske"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "893"]
[BlackElo "1220"]
[PlyCount "48"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Qd3 0-0 10. 0-0-0 Nc6 11. Kb1 Rac8 12. Nd5 Nxd5 13. exd5 Nxd4 14. c4 b5 15. Qxd4 Bxd4 16. Rxd4 Qf5+ 17. Ka1 Qxg5 18. a3 bxc4 19. g3 c3 20. bxc3 Rxc3 21. Kb2 Rfc8 22. Rb4 Qd2+ 23. Kb1 Qc2+ 24. Ka1 Rxa3# 0-1

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.09"]
[Round "4"]
[White "Petrow, Jonas"]
[Black "Wastian, Mareike"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1220"]
[BlackElo "1355"]
[PlyCount "76"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. Bd3 c5 4. c3 Nf6 5. f4 Nc6 6. Nf3 Be7 7. 0-0 b6 8. Nbd2 Bb7 9. Ne5 Qc8 10. Ndf3 Qc7 11. Ng5 Nd8 12. Bb5+ Kf8 13. Bd3 h6 14. Ngf3 Ke8 15. g4 Nc6 16. Rf2 Bd6 17. Rg2 Ke7 18. g5 Nd7 19. gxh6 gxh6 20. Qe1 Rhg8 21. Qf2 Raf8 22. Kh1 Qc8 23. Bd2 Rxg2 24. Qxg2 Rg8 25. Qf2 Nf6 26. Rg1 Qf8 27. Be1 Rg7 28. Qf1 Ke8 29. Bb5 cxd4 30. Nxc6 dxe3 31. Na5+ Ke7 32. Nxb7 Bxf4 33. Bg3 Bxg3 34. Rxg3 Ne4 35. Rxg7 Qxg7 36. Qg2 Qf6 37. Kg1 Qf5 38. Nd4 Qh5 1/2-1/2

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.08"]
[Round "1"]
[White "Gheng, Dominik"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1628"]
[BlackElo "1220"]
[PlyCount "63"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 0-0 6. f3 d5 7. e5 Ne8 8. h4 c6 9. g4 b5 10. h5 a5 11. hxg6 fxg6 12. Qh2 Kf7 13. Bd3 Na6 14. Qxh7 Ke6 15. Qxg6+ Kd7 16. Bf5+ Kc7 17. Bxc8 Qxc8 18. Rh7 Qd7 19. Bh6 Bxh6 20. Qxh6 Rg8 21. Qh4 Ng7 22. Qh6 e6 23. 0-0-0 Raf8 24. Nh3 Kb8 25. f4 Nc7 26. Rg1 Rf7 27. Rh8 Rff8 28. Rxg8 Rxg8 29. Qh7 Qf7 30. f5 Qf8 31. f6 Nge8 32. f7 1-0

[Event "GER-ch U12"]
[Site "Magdeburg"]
[Date "2014.06.08"]
[Round "2"]
[White "Petrow, Jonas"]
[Black "Ning, Felix"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "1220"]
[BlackElo "1491"]
[PlyCount "78"]
[EventDate "2014.06.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c5 5. e3 Nc6 6. Nf3 h6 7. Bxf6 gxf6 8. dxc5 dxc4 9. Qxd8+ Kxd8 10. Ne4 f5 11. Nd6 Rh7 12. Rd1 Bd7 13. Nxb7+ Kc7 14. Nd6 Rb8 15. Bxc4 Rxb2 16. Bb3 Na5 17. Ne5 Nxb3 18. Nxd7 Bxd6 19. axb3 Be7 20. 0-0 Rxb3 21. Ne5 f6 22. Nf3 Bxc5 23. Rc1 Kb6 24. Nd2 Rd3 25. Nc4+ Kb5 26. Nb2 Rb3 27. Nc4 Rc7 28. Nd2 Rb4 29. Nf3 a5 30. Nd4+ Kb6 31. Nxe6 Rc6 32. Nd8 Rc8 33. Nf7 h5 34. Nd6 Rd8 35. Nxf5 a4 36. Rc2 a3 37. Rfc1 Rd5 38. Ng3 Rb2 39. Ne4 Rxc2 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2014.02.04"]
[Round "7"]
[White "Petrow, Jonas"]
[Black "Lange, Jannis"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1172"]
[BlackElo "1205"]
[PlyCount "49"]
[EventDate "2014.02.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 0-0 8. a3 Be7 9. Bd3 Nc6 10. Be3 f5 11. 0-0 f4 12. d5 fxe3 13. dxc6 exf2+ 14. Kh1 bxc6 15. Rxf2 Bc5 16. Rf1 Qe8 17. e5 Nd5 18. Nxd5 cxd5 19. Qc2 Bb6 20. Bxh7+ Kh8 21. Bg6 Qe7 22. Qd3 a5 23. Ng5 Rxf1+ 24. Rxf1 Kg8 25. Qh3 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2014.02.04"]
[Round "6"]
[White "Wurst, Benedikt"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1230"]
[BlackElo "1172"]
[PlyCount "90"]
[EventDate "2014.02.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c6 6. 0-0 d5 7. cxd5 cxd5 8. d4 Nc6 9. e3 b6 10. Ne5 Bb7 11. Qb3 e6 12. Qb5 Nxe5 13. dxe5 Nd7 14. f4 Nc5 15. Rd1 Rc8 16. Qf1 Ba6 17. Qf2 Qe7 18. Bf1 Bxf1 19. Qxf1 Rc6 20. Bd2 Rfc8 21. Be1 Bf8 22. Bf2 Qb7 23. Nb1 Ne4 24. b3 Rc2 25. Be1 Bc5 26. Qd3 b5 27. Nd2 Rc3 28. Qf1 Bxe3+ 29. Kg2 Nxd2 30. Bxd2 Rc2 31. Qe1 Qb6 32. Kh3 d4 33. Bxe3 dxe3 34. Rd6 Qc5 35. b4 Qc3 36. Rd7 Qc6 37. Rxa7 Qg2+ 38. Kg4 Qxh2 39. Qh1 h5+ 40. Kg5 Qxg3+ 41. Kf6 Qxf4+ 42. Ke7 Qg5+ 43. Kd6 Qd8+ 44. Rd7 Rd2+ 45. Qd5 Rxd5# 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2014.02.03"]
[Round "5"]
[White "Gazizov, Max"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1246"]
[BlackElo "1172"]
[PlyCount "104"]
[EventDate "2014.02.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. Bd3 Bg4 7. 0-0 a6 8. h3 Be6 9. c5 Nc6 10. Rb1 Nb4 11. Be2 Bf5 12. Ra1 Nc2 13. Bd3 Bxd3 14. Qxd3 Nxa1 15. Bd2 Nb3 16. axb3 Qd7 17. Ne5 Qf5 18. Qxf5 gxf5 19. g4 Ne4 20. Nxe4 fxe4 21. g5 f6 22. gxf6 exf6 23. Ng4 h5 24. Nh2 b6 25. cxb6 cxb6 26. Rc1 Rac8 27. Bc3 a5 28. Kg2 b5 29. Ra1 b4 30. Be1 Ra8 31. Kg3 Rfc8 32. Kh4 f5 33. Kxh5 Bf6 34. Kg6 Rf8 35. Nf1 Ra6 36. Ng3 Be7+ 37. Kh5 Kf7 38. Nxf5 Rh8+ 39. Kg4 Rg6+ 40. Kf4 Rf6 41. Rxa5 Bd6+ 42. Kg5 Rg8+ 43. Kh4 Rxf5 44. Ra7+ Be7+ 45. Rxe7+ Kxe7 46. Bxb4+ Kf6 47. Bd6 Rxf2 48. Be5+ Kf5 49. Kh5 Rf3 50. h4 Rh3 51. b4 Rg5+ 52. Kh6 Rxh4# 0-1

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2014.02.03"]
[Round "4"]
[White "Petrow, Jonas"]
[Black "Stadach, Pepe"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1172"]
[BlackElo "1142"]
[PlyCount "97"]
[EventDate "2014.02.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 Nc6 4. f4 e6 5. Nd2 Bd6 6. c3 Bd7 7. Ngf3 Qe7 8. 0-0 0-0 9. Ne5 Rfe8 10. Ndf3 g6 11. Bd2 Rad8 12. Be1 Qf8 13. Bh4 Be7 14. Ng5 Nxe5 15. fxe5 Ne4 16. Rxf7 Qh6 17. Rxh7 Qf8 18. Nxe4 Kxh7 19. Nf6+ Bxf6 20. exf6 Rb8 21. Bxg6+ Kxg6 22. Qg4+ Kh7 23. Qh5+ Qh6 24. Qf7+ Kh8 25. Qxd7 Qxe3+ 26. Kh1 Qh6 27. f7 Rf8 28. Be7 Rxf7 29. Qxc7 Re8 30. Qe5+ Qg7 31. Qh5+ Kg8 32. Bg5 Qh7 33. Qe2 Qf5 34. Bh4 Ref8 35. h3 Qf4 36. Qe1 Qe4 37. Kh2 Qxe1 38. Rxe1 Re8 39. g4 b5 40. a3 Rc7 41. Bg3 Rc4 42. h4 a5 43. Bd6 Kf7 44. Kg3 Rc6 45. Bc5 Kg6 46. h5+ Kg5 47. Re5+ Kh6 48. Kh4 Rc7 49. g5+ 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2014.02.02"]
[Round "3"]
[White "Eulitz, Charlotte"]
[Black "Petrow, Jonas"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1146"]
[BlackElo "1172"]
[PlyCount "79"]
[EventDate "2014.02.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[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 Nf6 5. Nc3 a6 6. f3 Bd7 7. Be3 Nc6 8. Qd2 b5 9. Nd5 e6 10. Nxf6+ gxf6 11. Nxc6 Bxc6 12. Bh6 Rg8 13. Bxf8 Rxf8 14. Bd3 Rg8 15. g3 Ke7 16. Qh6 Rh8 17. Qh4 a5 18. f4 Kd7 19. Rf1 Qe7 20. 0-0-0 b4 21. e5 d5 22. Qxf6 Qf8 23. f5 Qe7 24. fxe6+ fxe6 25. Qf7 h5 26. Rf6 Rh7 27. Bxh7 Rh8 28. Bg8 Qxf7 29. Bxf7 Kc7 30. Rxe6 Bd7 31. Re7 Kd8 32. Rxd7+ Kxd7 33. Rxd5+ Ke7 34. e6 Ra8 35. Rxh5 a4 36. h4 Rd8 37. Rf5 Rd4 38. h5 Rg4 39. h6 Rxg3 40. h7 1-0

[Event "Mecklenburg VP-ch U12"]
[Site "Malchow"]
[Date "2014.02.01"]
[Round "1"]
[White "Klatt, Rico"]
[Black "Petrow, Jonas"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "834"]
[BlackElo "1172"]
[PlyCount "98"]
[EventDate "2014.02.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nf3 Nf6 4. Nc3 e6 5. e5 dxe5 6. Nxe5 Bd6 7. Ng4 0-0 8. d3 Nc6 9. Bg5 Be7 10. Qf3 Nd4 11. Qd1 Nxc2+ 12. Qxc2 Nxg4 13. Bxe7 Qxe7 14. Qd1 Nf6 15. 0-0 Rd8 16. Re1 a6 17. a4 b6 18. Qf3 Bb7 19. Qg3 Rd4 20. h3 Nh5 21. Qe5 Nf4 22. Ne4 Nxd3 23. Bxd3 Rxd3 24. Red1 Rad8 25. Rxd3 Rxd3 26. Qb8+ Rd8 27. Qg3 Bxe4 28. Qg4 f5 29. Qg3 Bc2 30. h4 Rd3 31. Qg5 Qxg5 32. hxg5 Rd1+ 33. Rxd1 Bxd1 34. Kh2 Bxa4 35. Kh3 Kf7 36. g4 Kg6 37. gxf5+ Kxf5 38. Kh4 Kf4 39. Kh5 Bb5 40. g6 h6 41. b3 Be2+ 42. Kh4 c4 43. bxc4 a5 44. Kh3 Kf3 45. Kh4 a4 46. Kh5 a3 47. Kh4 a2 48. c5 a1Q 49. cxb6 Qh1# 0-1

