[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.20"]
[Round "6"]
[White "Marx, Jakob"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1589"]
[BlackElo "2239"]
[PlyCount "108"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 Nxe4 7. Qe2 d5 8. cxd4 dxc4 9. dxc5 Qd3 10. Re1 f5 11. Nc3 0-0 12. Nxe4 fxe4 13. Qxe4 Bf5 14. Qh4 Rae8 15. Be3 Re4 16. Qg3 Rg4 17. Ne5 Rxg3 18. Nxd3 Rxe3 19. Rxe3 cxd3 20. Rd1 Rd8 21. Rd2 Rd5 22. f3 Rxc5 23. Kf2 g5 24. b3 Kf7 25. Ke1 Rc1+ 26. Rd1 Rc2 27. Rd2 Kf6 28. Kd1 Nb4 29. a3 Nd5 30. Rexd3 Bxd3 31. Rxd3 Rc5 32. b4 Nf4 33. Rd7 Rd5+ 34. Rxd5 Nxd5 35. Kd2 Ke5 36. g3 Kd4 37. Ke2 Kc3 38. b5 Kd4 39. Kd2 Nc3 40. b6 axb6 41. f4 gxf4 42. gxf4 Nd5 43. f5 c5 44. Kc2 b5 45. Kb2 c4 46. Kc2 Ne3+ 47. Kb2 c3+ 48. Kc1 Nxf5 49. Kc2 Ne3+ 50. Kc1 Kd3 51. h4 Nc4 52. Kd1 c2+ 53. Kc1 Nd2 54. Kb2 Nb3 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.20"]
[Round "6"]
[White "Marx, Jakob"]
[Black "Kotyk, Michael"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1589"]
[BlackElo "2239"]
[PlyCount "108"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 Nxe4 7. Qe2 d5 8. cxd4 dxc4 9. dxc5 Qd3 10. Re1 f5 11. Nc3 0-0 12. Nxe4 fxe4 13. Qxe4 Bf5 14. Qh4 Rae8 15. Be3 Re4 16. Qg3 Rg4 17. Ne5 Rxg3 18. Nxd3 Rxe3 19. Rxe3 cxd3 20. Rd1 Rd8 21. Rd2 Rd5 22. f3 Rxc5 23. Kf2 g5 24. b3 Kf7 25. Ke1 Rc1+ 26. Rd1 Rc2 27. Rd2 Kf6 28. Kd1 Nb4 29. a3 Nd5 30. Rexd3 Bxd3 31. Rxd3 Rc5 32. b4 Nf4 33. Rd7 Rd5+ 34. Rxd5 Nxd5 35. Kd2 Ke5 36. g3 Kd4 37. Ke2 Kc3 38. b5 Kd4 39. Kd2 Nc3 40. b6 axb6 41. f4 gxf4 42. gxf4 Nd5 43. f5 c5 44. Kc2 b5 45. Kb2 c4 46. Kc2 Ne3+ 47. Kb2 c3+ 48. Kc1 Nxf5 49. Kc2 Ne3+ 50. Kc1 Kd3 51. h4 Nc4 52. Kd1 c2+ 53. Kc1 Nd2 54. Kb2 Nb3 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.20"]
[Round "5"]
[White "Porth, Hartmut"]
[Black "Marx, Jakob"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1996"]
[BlackElo "1589"]
[PlyCount "47"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Ne2 b5 9. Bf4 Bb7 10. f3 0-0-0 11. c4 c6 12. Nd2 f6 13. 0-0-0 g5 14. Bg3 Ne7 15. Nb3 Ng6 16. Rxd8+ Kxd8 17. Rd1+ Ke8 18. Bf2 Ne5 19. cxb5 c4 20. bxc6 Bxc6 21. Nbd4 Nd3+ 22. Rxd3 cxd3 23. Nxc6 dxe2 24. Kd2 1/2-1/2

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.20"]
[Round "5"]
[White "Porth, Hartmut"]
[Black "Marx, Jakob"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1996"]
[BlackElo "1589"]
[PlyCount "47"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Ne2 b5 9. Bf4 Bb7 10. f3 0-0-0 11. c4 c6 12. Nd2 f6 13. 0-0-0 g5 14. Bg3 Ne7 15. Nb3 Ng6 16. Rxd8+ Kxd8 17. Rd1+ Ke8 18. Bf2 Ne5 19. cxb5 c4 20. bxc6 Bxc6 21. Nbd4 Nd3+ 22. Rxd3 cxd3 23. Nxc6 dxe2 24. Kd2 1/2-1/2

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.19"]
[Round "3"]
[White "Holmsgaard, Henrik"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2146"]
[BlackElo "1589"]
[PlyCount "82"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 d6 6. c3 0-0 7. a4 a5 8. Bg5 h6 9. Bh4 Bg4 10. h3 Bh5 11. g4 g5 12. Bg3 Bg6 13. Nbd2 Qd7 14. Kg2 Rfe8 15. Re1 Ba7 16. Nf1 Nd8 17. Ne3 Ne6 18. Nd5 Nxd5 19. Bxd5 c6 20. Bb3 Nf4+ 21. Bxf4 gxf4 22. Bc2 d5 23. exd5 Qxd5 24. Bb3 Qd6 25. d4 e4 26. Ne5 Rxe5 27. dxe5 Qxe5 28. f3 Re8 29. Bc2 Qc5 30. Rxe4 Bxe4 31. Bxe4 Qf2+ 32. Kh1 Qg3 33. Qf1 Rd8 34. Qg2 Qh4 35. g5 h5 36. g6 f5 37. Bxf5 Kg7 38. Qe2 Be3 39. Rd1 Qf2 40. Re1 Qg3 41. Rd1 Rd2 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.19"]
[Round "3"]
[White "Holmsgaard, Henrik"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2146"]
[BlackElo "1589"]
[PlyCount "82"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 d6 6. c3 0-0 7. a4 a5 8. Bg5 h6 9. Bh4 Bg4 10. h3 Bh5 11. g4 g5 12. Bg3 Bg6 13. Nbd2 Qd7 14. Kg2 Rfe8 15. Re1 Ba7 16. Nf1 Nd8 17. Ne3 Ne6 18. Nd5 Nxd5 19. Bxd5 c6 20. Bb3 Nf4+ 21. Bxf4 gxf4 22. Bc2 d5 23. exd5 Qxd5 24. Bb3 Qd6 25. d4 e4 26. Ne5 Rxe5 27. dxe5 Qxe5 28. f3 Re8 29. Bc2 Qc5 30. Rxe4 Bxe4 31. Bxe4 Qf2+ 32. Kh1 Qg3 33. Qf1 Rd8 34. Qg2 Qh4 35. g5 h5 36. g6 f5 37. Bxf5 Kg7 38. Qe2 Be3 39. Rd1 Qf2 40. Re1 Qg3 41. Rd1 Rd2 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.19"]
[Round "4"]
[White "Marx, Jakob"]
[Black "Koniahli, Malek"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1589"]
[BlackElo "2309"]
[PlyCount "80"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. c4 g6 7. Nc3 Bg7 8. Bd2 Nf6 9. 0-0 0-0 10. Rc1 Nd7 11. b3 Nc5 12. Bb1 b6 13. Nd5 e6 14. Nb4 Nxb4 15. Bxb4 a5 16. Bc3 Bxc3 17. Rxc3 e5 18. Qd2 Bg4 19. Rd1 Qe7 20. Qh6 Ne6 21. Rcd3 Bxf3 22. Rxf3 Nd4 23. Rh3 f6 24. a3 Ra7 25. b4 axb4 26. axb4 Ne2+ 27. Kf1 Nf4 28. Rf3 Qc7 29. Rc3 Ra4 30. Rdc1 Ne6 31. Rb3 Rfa8 32. Qd2 Nd4 33. Rb2 Ra1 34. Ba2 R8xa2 35. c5 Rxc1+ 36. Qxc1 Rxb2 37. Qxb2 bxc5 38. b5 Qb6 39. Qa2+ Kg7 40. Qa6 Qxb5+ 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.19"]
[Round "4"]
[White "Marx, Jakob"]
[Black "Koniahli, Malek"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1589"]
[BlackElo "2309"]
[PlyCount "80"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. c4 g6 7. Nc3 Bg7 8. Bd2 Nf6 9. 0-0 0-0 10. Rc1 Nd7 11. b3 Nc5 12. Bb1 b6 13. Nd5 e6 14. Nb4 Nxb4 15. Bxb4 a5 16. Bc3 Bxc3 17. Rxc3 e5 18. Qd2 Bg4 19. Rd1 Qe7 20. Qh6 Ne6 21. Rcd3 Bxf3 22. Rxf3 Nd4 23. Rh3 f6 24. a3 Ra7 25. b4 axb4 26. axb4 Ne2+ 27. Kf1 Nf4 28. Rf3 Qc7 29. Rc3 Ra4 30. Rdc1 Ne6 31. Rb3 Rfa8 32. Qd2 Nd4 33. Rb2 Ra1 34. Ba2 R8xa2 35. c5 Rxc1+ 36. Qxc1 Rxb2 37. Qxb2 bxc5 38. b5 Qb6 39. Qa2+ Kg7 40. Qa6 Qxb5+ 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "2"]
[White "Marx, Jakob"]
[Black "Schiller, Thomas1"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1589"]
[BlackElo "1877"]
[PlyCount "41"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. d3 Be7 5. 0-0 d6 6. c3 0-0 7. Re1 Na5 8. Bb3 Nxb3 9. Qxb3 Rb8 10. d4 d5 11. dxe5 Nxe4 12. Nbd2 Be6 13. Nd4 Bh4 14. Nxe4 dxe4 15. Nxe6 fxe6 16. Qxe6+ Kh8 17. Be3 Re8 18. Qf5 Qe7 19. Qxe4 Bf6 20. f4 a6 21. Qf3 1-0

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "2"]
[White "Marx, Jakob"]
[Black "Schiller, Thomas1"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1589"]
[BlackElo "1877"]
[PlyCount "41"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. d3 Be7 5. 0-0 d6 6. c3 0-0 7. Re1 Na5 8. Bb3 Nxb3 9. Qxb3 Rb8 10. d4 d5 11. dxe5 Nxe4 12. Nbd2 Be6 13. Nd4 Bh4 14. Nxe4 dxe4 15. Nxe6 fxe6 16. Qxe6+ Kh8 17. Be3 Re8 18. Qf5 Qe7 19. Qxe4 Bf6 20. f4 a6 21. Qf3 1-0

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "1"]
[White "Schwarzkopf, Joerg"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1863"]
[BlackElo "1589"]
[PlyCount "76"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. 0-0 Be7 6. Nbd2 c5 7. b3 0-0 8. Bb2 Nc6 9. Re1 Bg6 10. Nh4 Bh5 11. Nhf3 Qc7 12. a3 b5 13. e4 d4 14. Rf1 e5 15. Qe1 Nd7 16. Bc1 f5 17. exf5 Rxf5 18. Qe4 Raf8 19. Nh4 R5f6 20. Ndf3 h6 21. g4 Rf4 22. Bxf4 Rxf4 23. Qe2 Rxg4 24. Nf5 e4 25. dxe4 Nde5 26. Ng3 Rh4 27. Rad1 Bg5 28. Rfe1 d3 29. Rxd3 Nd4 30. Rxd4 cxd4 31. Nxh5 Nxf3+ 32. Bxf3 Qxh2+ 33. Kf1 Rxh5 34. Qxb5 Bh4 35. Qe8+ Kh7 36. Re2 Rg5 37. Ke1 Rg1+ 38. Kd2 Qf4+ 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2025.04.18"]
[Round "1"]
[White "Schwarzkopf, Joerg"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1863"]
[BlackElo "1589"]
[PlyCount "76"]
[EventDate "2025.04.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. 0-0 Be7 6. Nbd2 c5 7. b3 0-0 8. Bb2 Nc6 9. Re1 Bg6 10. Nh4 Bh5 11. Nhf3 Qc7 12. a3 b5 13. e4 d4 14. Rf1 e5 15. Qe1 Nd7 16. Bc1 f5 17. exf5 Rxf5 18. Qe4 Raf8 19. Nh4 R5f6 20. Ndf3 h6 21. g4 Rf4 22. Bxf4 Rxf4 23. Qe2 Rxg4 24. Nf5 e4 25. dxe4 Nde5 26. Ng3 Rh4 27. Rad1 Bg5 28. Rfe1 d3 29. Rxd3 Nd4 30. Rxd4 cxd4 31. Nxh5 Nxf3+ 32. Bxf3 Qxh2+ 33. Kf1 Rxh5 34. Qxb5 Bh4 35. Qe8+ Kh7 36. Re2 Rg5 37. Ke1 Rg1+ 38. Kd2 Qf4+ 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.04.01"]
[Round "7"]
[White "Yasar, Hamit"]
[Black "Marx, Jakob"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1761"]
[BlackElo "1665"]
[PlyCount "54"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nd2 0-0 5. Bd3 d6 6. Ngf3 Re8 7. Bc4 Bg4 8. h3 Bxf3 9. Nxf3 Nbd7 10. Qd2 c5 11. c3 Rc8 12. Bb3 Ne4 13. Qc2 Ndf6 14. g4 cxd4 15. exd4 d5 16. Ba4 Nd7 17. Qb3 e5 18. dxe5 Nec5 19. Qc2 Nxa4 20. Qxa4 Nxe5 21. Bxe5 Bxe5 22. 0-0-0 Bf4+ 23. Qxf4 Qa5 24. Kb1 Re2 25. Rd2 Re4 26. Qf6 Re6 27. Qd4 Ra6 1-0

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.03.31"]
[Round "5"]
[White "Gretzinger, Maximilian"]
[Black "Marx, Jakob"]
[Result "1/2-1/2"]
[ECO "E91"]
[BlackElo "1665"]
[PlyCount "120"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nfd7 7. 0-0 e5 8. d5 f5 9. h3 f4 10. b4 g5 11. Nd2 a6 12. Bg4 Nf6 13. Bxc8 Qxc8 14. f3 Qe8 15. Nb3 Qg6 16. c5 h5 17. Ba3 g4 18. hxg4 hxg4 19. fxg4 Nxg4 20. Bc1 Qh5 21. Rf3 Qh2+ 22. Kf1 Qh1+ 23. Ke2 Qxg2+ 24. Ke1 Rf6 25. Qe2 Qg1+ 26. Rf1 Qg3+ 27. Kd1 Rh6 28. Bd2 f3 29. Qe1 f2 30. Qe2 Rh2 31. Kc2 Rg2 32. Nd1 Rg1 33. Nxf2 Rg2 34. Be1 Ne3+ 35. Kb2 Nxf1 36. Qxf1 Bh6 37. Nc1 Be3 38. Ncd3 Bd4+ 39. Kb1 Bxa1 40. Kxa1 Nd7 41. Qe2 Nf6 42. Qd1 Rg1 43. Qc2 Rf8 44. cxd6 cxd6 45. Kb2 Ng4 46. Nxg4 Qxg4 47. Qc4 Rc8 48. Qb3 Qg5 49. Bf2 Rg2 50. Ka3 Rxf2 51. Nxf2 Qc1+ 52. Ka4 Rc3 53. Qxc3 Qxc3 54. Ng4 Qf3 55. Nh6+ Kf8 56. Nf5 Ke8 57. Nxd6+ Kd7 58. Nxb7 Qe2 59. Nc5+ Kd6 60. Nb7+ Ke7 1/2-1/2

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.03.31"]
[Round "6"]
[White "Marx, Jakob"]
[Black "Moghaddami, Amir"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1665"]
[PlyCount "66"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 d5 4. exd5 e4 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nc3 Qe7 8. Nge2 Bg4 9. Qd2 c5 10. Nb5 Bg5 11. Qa5 b6 12. Qa4 0-0 13. d6 Qd7 14. Bd5 Bxe2 15. Kxe2 Nc6 16. Rhd1 Rad8 17. dxc5 bxc5 18. Kf1 g6 19. Bxe4 f5 20. Bf3 Rfe8 21. Qc4+ Kg7 22. Qxc5 Rc8 23. Bxc6 Rxc6 24. Qxa7 Qxa7 25. Nxa7 Rxc2 26. Re1 Rb8 27. b3 Rb7 28. f4 Bf6 29. Rac1 Rxc1 30. Rxc1 Kf8 31. Rc8+ Bd8 32. Nc6 Rd7 33. Nxd8 Ke8 1-0

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.03.30"]
[Round "4"]
[White "Marx, Jakob"]
[Black "Trede, Rouven Peer"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1665"]
[BlackElo "1785"]
[PlyCount "48"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Bb5+ Nc6 8. 0-0 Be7 9. Nc3 Nxc3 10. bxc3 Bd7 11. Re1 Nxe5 12. Rxe5 dxe5 13. Bxd7+ Qxd7 14. Nxe5 Qb5 15. c4 Qa6 16. Qg4 Bf6 17. Bg5 Bxg5 18. Qxg5 0-0 19. Ng4 Kh8 20. h4 Qxc4 21. h5 Qd5 22. Qh4 Qxd4 23. Re1 f5 24. Ne5 Qxh4 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.03.30"]
[Round "3"]
[White "Toman, Darius"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C78"]
[BlackElo "1665"]
[PlyCount "100"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d3 d6 6. h3 0-0 7. 0-0 a6 8. Ba4 b5 9. Bb3 Qe7 10. Re1 Na5 11. Bc2 Bb6 12. Be3 Bxe3 13. Rxe3 Nh5 14. Nbd2 Nf4 15. Nf1 Qf6 16. Ng3 c6 17. Nf5 Bxf5 18. exf5 Qxf5 19. d4 Qh5 20. dxe5 Nc4 21. Re1 Nxb2 22. Qc1 Nbd3 23. Bxd3 Nxd3 24. Qd2 Nxe1 25. Rxe1 dxe5 26. Rxe5 Qg6 27. Qf4 Rfe8 28. Rg5 Qh6 29. Nh4 f6 30. Rg4 Qxf4 31. Rxf4 Re1+ 32. Kh2 Re2 33. Rd4 Rxf2 34. Rd6 c5 35. Rd7 Rxa2 36. Nf5 g6 37. Nh6+ Kf8 38. Rxh7 Rc2 39. Rh8+ Kg7 40. Rxa8 Kxh6 41. Rxa6 Rxc3 42. Rxf6 b4 43. Rb6 b3 44. Kg1 c4 45. Rb4 Rc1+ 46. Kf2 Rc2+ 47. Ke3 b2 48. Kd4 c3 49. g4 Rc1 50. g5+ Kh5 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.03.29"]
[Round "2"]
[White "Marx, Jakob"]
[Black "Braun, Julian1"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1665"]
[BlackElo "1827"]
[PlyCount "58"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bb3 Nxb3 8. Qxb3 Qxd5 9. Qxd5 Nxd5 10. 0-0 Be7 11. d3 0-0 12. Nf3 Bd6 13. Re1 Bg4 14. Nbd2 Nf4 15. d4 exd4 16. Nxd4 Rfe8 17. Ne4 Nd3 18. Re3 Nxc1 19. Rxc1 Bf4 20. Rce1 Bxe3 21. Rxe3 b4 22. Nb5 bxc3 23. bxc3 Rab8 24. h3 Bf5 25. Ng3 Rxe3 26. Nxf5 Re1+ 27. Kh2 Rxb5 28. Nd4 Rb2 29. Nf3 Ree2 0-1

[Event "Hamburg HSK Easter op"]
[Site "Hamburg"]
[Date "2024.03.29"]
[Round "1"]
[White "Streich, Justus"]
[Black "Marx, Jakob"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "1990"]
[BlackElo "1665"]
[PlyCount "55"]
[EventDate "2024.03.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Nfd7 7. g4 c5 8. Nf3 Nc6 9. d5 Nce5 10. Nxe5 Nxe5 11. f4 Nd7 12. Bd3 Qb6 13. Qd2 Qd8 14. 0-0 e6 15. Kh1 exd5 16. cxd5 Nf6 17. Qg2 h5 18. g5 Ne8 19. Rae1 f6 20. gxf6 Qxf6 21. e5 Qh4 22. e6 Nf6 23. Bf2 Qxf4 24. Bxc5 Qh6 25. Bxd6 Re8 26. Bxg6 Rf8 27. Bxf8 Kxf8 28. e7+ 1-0

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.11"]
[Round "7"]
[White "Marx, Jakob"]
[Black "Li, Wenchu"]
[Result "0-1"]
[ECO "C56"]
[BlackElo "1008"]
[PlyCount "36"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 Nxe4 5. dxe5 Bc5 6. Qd5 0-0 7. Qxe4 d6 8. 0-0 Be6 9. Bd3 f5 10. exf6 Qxf6 11. Qxh7+ Kf7 12. Nc3 Rh8 13. Qe4 Rad8 14. Bg5 d5 15. Qe2 Nd4 16. Nxd4 Qxd4 17. Be3 Qe5 18. Bxc5 Qxh2# 0-1

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "6"]
[White "Bordiehn, Johann"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "903"]
[PlyCount "76"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 Nxe4 7. cxd4 d5 8. dxc5 dxc4 9. Qxd8+ Nxd8 10. Re1 f5 11. Nc3 0-0 12. Nxe4 fxe4 13. Rxe4 Be6 14. Nd4 Bf7 15. Bf4 Bg6 16. Re2 Rxf4 17. Rd2 Bd3 18. b3 Rxd4 19. Rc1 Ne6 20. Re1 c3 21. Rdd1 Nxc5 22. Rc1 c2 23. f3 Rd6 24. Kf2 Rad8 25. Ke3 Bg6 26. Rf1 Rd1 27. Rxc2 Bxc2 28. Rf2 Re1+ 29. Kf4 Nd3+ 30. Kg3 Nxf2 31. Kxf2 Re6 32. b4 h5 33. g4 hxg4 34. fxg4 Rd2+ 35. Kf3 g5 36. a4 Bxa4 37. b5 Bxb5 38. Kg3 Re3# 0-1

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "5"]
[White "Marx, Jakob"]
[Black "Denysko, Stephan"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "942"]
[PlyCount "69"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d6 5. d5 Nb4 6. a3 Qa5 7. Bd2 Qb6 8. Qa4+ Bd7 9. Qxb4 Qc7 10. Qc4 Qb6 11. Be3 Qxb2 12. Bd4 b5 13. Qd3 Qc1+ 14. Qd1 Qxd1+ 15. Kxd1 e5 16. dxe6 Bxe6 17. Bxb5+ Kd8 18. Nd2 Be7 19. Bxg7 Bf6 20. Bxh8 Bxa1 21. Bxa1 Nf6 22. Bxf6+ Kc7 23. Ne2 Rb8 24. Ba4 Rb6 25. Bc2 Rb8 26. e5 Kd7 27. Ba4+ Kc7 28. Ne4 d5 29. Nd6 Rf8 30. Be7 Rb8 31. Kc2 Rg8 32. Ne8+ Kb8 33. Rb1+ Kc8 34. Nd6+ Kc7 35. Rb7# 1-0

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.09"]
[Round "3"]
[White "Marx, Jakob"]
[Black "Kukhtichev, Maksim"]
[Result "0-1"]
[ECO "C57"]
[BlackElo "973"]
[PlyCount "68"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bxb5 Qxd5 7. Bxc6+ Qxc6 8. 0-0 Bb7 9. Nf3 e4 10. Nd4 Qd5 11. Ne2 e3 12. f3 exd2 13. Bxd2 Bc5+ 14. Kh1 Ng4 15. Qe1 0-0 16. Nbc3 Qc6 17. Qg3 Nf6 18. Bh6 Nh5 19. Qg5 Qxh6 20. Qxc5 Rfe8 21. g4 Nf4 22. Qxc7 Nxe2 23. Qxb7 Ng3+ 24. Kg1 Nxf1 25. Rxf1 Qe3+ 26. Kh1 Rad8 27. Nd5 Qe2 28. Kg1 Qxc2 29. Qxa7 Rxd5 30. Qa6 Rd2 31. Rf2 Rxf2 32. Qf1 Rxf1+ 33. Kxf1 Rd8 34. Ke1 Rd1# 0-1

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.09"]
[Round "4"]
[White "Tiuca, Emma"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "764"]
[PlyCount "44"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. e5 dxc3 6. Nxc3 d4 7. Ne4 Bb4+ 8. Bd2 Bxd2+ 9. Nexd2 Nge7 10. Bc4 0-0 11. 0-0 Bf5 12. Ng5 h6 13. Ngf3 Ng6 14. Nb3 Ncxe5 15. Nxe5 Nxe5 16. Bb5 c6 17. Be2 d3 18. Bh5 Qg5 19. h4 Qxh4 20. Nd4 Qxd4 21. b3 Rfe8 22. Qd2 Rad8 0-1

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "2"]
[White "Kutz, Henning Jasper"]
[Black "Marx, Jakob"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "811"]
[PlyCount "134"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. 0-0 Be7 6. Bxc6+ bxc6 7. d3 0-0 8. Bg5 Be6 9. h3 h6 10. Bh4 Nd7 11. Bxe7 Qxe7 12. Re1 Rab8 13. b3 Nb6 14. d4 Rfd8 15. a4 a5 16. Qe2 exd4 17. Nxd4 Bd7 18. g3 Qe5 19. Qe3 Bxh3 20. Nxc6 Qe8 21. Nxb8 Rxb8 22. Kh2 Be6 23. Nb5 Qd7 24. Nd4 Nc8 25. Nxe6 Qxe6 26. f4 Qf6 27. e5 dxe5 28. fxe5 Qe6 29. Rad1 Ne7 30. Qa7 Qb6 31. Qxb6 cxb6 32. Rd7 Re8 33. Rb7 Nc6 34. Rxb6 Nxe5 35. Rb5 Nf3+ 36. Kg2 Nxe1+ 37. Kf2 Nxc2 38. Rxa5 Nd4 39. b4 Nc6 40. Rb5 Rd8 41. a5 Ra8 42. Ke3 Kf8 43. Ke4 Ke7 44. Rb7+ Ke6 45. Rb5 Kd6 46. Rd5+ Ke6 47. b5 Rxa5 48. bxc6 Rxd5 49. c7 Rc5 50. c8Q+ Rxc8 51. g4 Rc4+ 52. Kf3 Kf6 53. Kg3 Kg5 54. Kh3 Rc3+ 55. Kh2 Kxg4 56. Kg2 Rc2+ 57. Kf1 Kg3 58. Ke1 Kf3 59. Kd1 Rh2 60. Ke1 Ra2 61. Kd1 Ke3 62. Kc1 Kd3 63. Kb1 Rh2 64. Ka1 Kc3 65. Kb1 Rg2 66. Ka1 Kb3 67. Kb1 Rg1# 0-1

[Event "GER-ch U08"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "1"]
[White "Marx, Jakob"]
[Black "Giegerich, Lenn Valentin"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "989"]
[PlyCount "132"]
[EventDate "2022.06.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bc4 Qe7 6. 0-0 Bf5 7. d3 Nf6 8. Re1 Be6 9. Bxe6 fxe6 10. Ng5 e5 11. f4 Nc6 12. Nf3 0-0-0 13. fxe5 dxe5 14. Bd2 Qc5+ 15. Kh1 g6 16. Nc3 Ng4 17. Ne4 Qe7 18. Bg5 Qe8 19. Bxd8 Qxd8 20. Nfg5 Qd7 21. Rf1 Ne3 22. Qe2 Nxf1 23. Rxf1 Nd4 24. Qf2 Qf5 25. Kg1 Qxf2+ 26. Kxf2 Nxc2 27. Nf7 Rg8 28. Nxe5 Bg7 29. Rc1 Bxe5 30. Rxc2 Rf8+ 31. Kg1 Bd4+ 32. Nf2 Re8 33. Kf1 Re5 34. Ne4 Rf5+ 35. Ke1 Re5 36. Kd2 Kd7 37. Rc4 Bxb2 38. Rb4 Ba3 39. Rxb7 a5 40. Nc3 Bb4 41. Kc2 Rc5 42. Kb3 Rxc3+ 43. Ka4 Kc6 44. Rxb4 axb4 45. Kxb4 Rxd3 46. a4 Kb7 47. Kb5 c6+ 48. Kc4 Rd5 49. Kb4 c5+ 50. Kc4 Rg5 51. g3 Rh5 52. h4 g5 53. hxg5 Rxg5 54. Kb5 c4+ 55. Kxc4 Rxg3 56. Kb5 h5 57. a5 Ka7 58. a6 h4 59. Ka5 h3 60. Kb5 h2 61. Ka5 h1Q 62. Kb5 Qd5+ 63. Ka4 Rg4+ 64. Ka3 Qf3+ 65. Kb2 Rg2+ 66. Kc1 Qf1# 0-1

