[Event "GER CupT"]
[Site "Germany"]
[Date "2023.01.28"]
[Round "1.3"]
[White "Mertens, Fridolin"]
[Black "Schulte, Marius"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2134"]
[BlackElo "2118"]
[PlyCount "62"]
[EventDate "2023.01.28"]
[EventType "team-k.o."]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Grundau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Qb6 8. Nd2 c5 9. c4 Qxb2 10. Rb1 Qxd4 11. Qxd4 cxd4 12. cxd5 f6 13. Bf4 exd5 14. Rxb7 Nd7 15. exf6 Ngxf6 16. Ngf3 Bc5 17. 0-0 Bb6 18. Ng5 0-0 19. Nb3 Rfe8 20. a4 Nc5 21. Nxc5 Bxc5 22. Rc1 Bb6 23. Kf1 Ne4 24. Nxe4 Rxe4 25. g3 d3 26. Rd1 Rxa4 27. Be5 Ra2 28. Rxg7+ Kf8 29. f4 Rf2+ 30. Ke1 Re2+ 31. Kf1 Rxe5 0-1

[Event "BL2-Ost 2122"]
[Site "Germany"]
[Date "2022.07.03"]
[Round "10.4"]
[White "Schulz, Lukas"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2286"]
[BlackElo "2113"]
[PlyCount "110"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Erlangen"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. Be3 Be6 9. Nd5 Bxd5 10. exd5 Nbd7 11. c4 g6 12. Nc3 Bh6 13. Bxh6 Rxh6 14. Qd2 Rh8 15. Be2 Kf8 16. 0-0 Kg7 17. f4 exf4 18. Rxf4 Qb6+ 19. Kh1 Rae8 20. Raf1 Re5 21. Bd3 Rhe8 22. Bb1 R8e7 23. Na4 Qc7 24. Qd4 b5 25. cxb5 Nxd5 26. R4f3 axb5 27. Nc3 Nxc3 28. Rxc3 Qb6 29. Qxb6 Nxb6 30. Bd3 Nd5 31. Rb3 b4 32. Rf2 Ra7 33. Bc4 Rxa2 34. Rxf7+ Kxf7 35. Rf3+ Ke6 36. Bxa2 Re1+ 37. Kh2 Ke5 38. Rf8 Ne3 39. Re8+ Kd4 40. Rb8 Re2 41. Rxb4+ Ke5 42. Rb7 Rxg2+ 43. Kh1 d5 44. Bb3 Rg3 45. Ba4 Rxh3+ 46. Kg1 g5 47. b4 Kd4 48. b5 Rf3 49. b6 Rf1+ 50. Kh2 h4 51. Rh7 Rb1 52. b7 g4 53. Rxh4 Rb2+ 54. Kg1 Rxb7 55. Be8 Ke4 0-1

[Event "BL2-Ost 2122"]
[Site "Germany"]
[Date "2022.06.19"]
[Round "8.5"]
[White "Mueller, Matthias"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2387"]
[BlackElo "2113"]
[PlyCount "79"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Erfurt"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Qc2 Re8+ 9. Ne2 h5 10. 0-0 h4 11. h3 Nd7 12. Be3 Nf8 13. c4 Be6 14. Rad1 Rc8 15. Qd2 Ng6 16. f4 f5 17. Kh1 Qe7 18. Rf3 b5 19. b3 bxc4 20. bxc4 Rb8 21. Qc2 Ba3 22. Bc1 Bxc1 23. Nxc1 Qb4 24. Nb3 Red8 25. Bxf5 Bxf5 26. Qxf5 Qxc4 27. Rc1 Qe2 28. Qa5 Re8 29. f5 Ne7 30. Re1 Qb5 31. Qxb5 cxb5 32. Rfe3 Kf8 33. Nc5 Rbd8 34. Re4 Rd5 35. Rxh4 Red8 36. f6 gxf6 37. Rh8+ Ng8 38. Re3 Kg7 39. Rh4 Nh6 40. Ra3 1/2-1/2

[Event "BL2-Ost 2122"]
[Site "Germany"]
[Date "2022.05.01"]
[Round "4.6"]
[White "Schenk, Andreas"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "E96"]
[WhiteElo "2418"]
[BlackElo "2119"]
[PlyCount "95"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bayern Muenchen II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 c6 8. Re1 e5 9. Bf1 Qe7 10. Rb1 a5 11. a3 exd4 12. Nxd4 Nc5 13. f3 a4 14. Be3 Rd8 15. Bf2 Be6 16. Nf5 Bxf5 17. exf5 Qc7 18. Qc2 Nfd7 19. Rbd1 Be5 20. g3 Bg7 21. f4 Bf8 22. Kh1 Qa5 23. fxg6 hxg6 24. f5 Ne5 25. Bd4 Ncd7 26. fxg6 Nxg6 27. Ne4 Re8 28. Bh3 d5 29. Bc3 Qb6 30. cxd5 cxd5 31. Rxd5 Nde5 32. Bg2 Rad8 33. Rxd8 Rxd8 34. Qxa4 Bg7 35. Qa5 Qxa5 36. Bxa5 Rd3 37. Bc3 Nc4 38. Bf1 Bxc3 39. Nxc3 Re3 40. Rxe3 Nxe3 41. Kg1 Ne5 42. Be2 Kf8 43. Kf2 Nc2 44. Nb5 Ke7 45. h4 Kf6 46. b3 b6 47. Bd1 Na1 48. Ke3 1-0

[Event "BL2-Ost 2122"]
[Site "Germany"]
[Date "2022.04.30"]
[Round "3.5"]
[White "Zysk, Robert"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2404"]
[BlackElo "2119"]
[PlyCount "67"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Muenchen Zugzwang"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 Qe7 10. b3 Ng4 11. Bg5 f6 12. Bh4 g5 13. Bg3 h5 14. h4 Rd8 15. Qc1 Bh6 16. Qb2 Nf8 17. Rad1 Ng6 18. Na4 gxh4 19. Nxh4 Nxh4 20. Bxh4 Bg5 21. Bxg5 fxg5 22. f3 Nh6 23. dxe5 dxe5 24. Rxd8+ Qxd8 25. Qxe5 Nf7 26. Qg3 Qd4+ 27. Qf2 Qg7 28. Rd1 g4 29. Kh2 Qf6 30. f4 h4 31. g3 Ng5 32. Bg2 Ne6 33. gxh4 b5 34. cxb5 1-0

[Event "BL2-Ost 2122"]
[Site "Germany"]
[Date "2022.03.06"]
[Round "2.7"]
[White "Oberhofer, Cedric"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2285"]
[BlackElo "2130"]
[PlyCount "103"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Regensburg Bavaria"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. Nf3 d6 7. 0-0 Bxd2 8. Qxd2 Nbd7 9. Nc3 Qe7 10. e4 e5 11. Rfe1 Re8 12. Rad1 c6 13. b3 Nf8 14. h3 Qc7 15. d5 c5 16. Qd3 Bd7 17. Rb1 Nh5 18. a3 Qc8 19. Kh2 f5 20. exf5 Bxf5 21. Ne4 Nf6 22. Nfg5 Nxe4 23. Bxe4 Bxe4 24. Nxe4 Qc7 25. b4 axb4 26. axb4 b6 27. Re3 h6 28. bxc5 bxc5 29. Nc3 Ra6 30. Kg2 Re7 31. Ne4 Nd7 32. Rf3 Rf7 33. Rxf7 Kxf7 34. Qf3+ Nf6 35. Nxf6 gxf6 36. Qf5 Kg7 37. Qg4+ Kh7 38. Qf5+ Kg7 39. h4 Ra7 40. h5 Qf7 41. Rb6 Rd7 42. Rb8 e4 43. Qg4+ Kh7 44. Qxe4+ f5 45. Qf3 Qf6 46. Re8 Rg7 47. Re6 Qf8 48. Qe3 Rg4 49. Re8 Qf6 50. Qe7+ Qxe7 51. Rxe7+ Kg8 52. f4 1-0

[Event "BL2-Ost 2122"]
[Site "Germany"]
[Date "2022.03.05"]
[Round "1.7"]
[White "Mertens, Fridolin"]
[Black "Testor, Sebastian"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2130"]
[BlackElo "2323"]
[PlyCount "84"]
[EventDate "2022.03.05"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Passau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 cxd4 7. 0-0 Bd7 8. Re1 Nh6 9. a3 Be7 10. b4 f5 11. b5 Na5 12. Nxd4 0-0-0 13. a4 Kb8 14. Ba3 Bc5 15. Bxc5 Qxc5 16. Re2 Rc8 17. Rc2 Rc7 18. Qc1 Rhc8 19. Qg5 Qf8 20. Rc1 Nc4 21. f4 Nf7 22. Qh5 Qg8 23. Kh1 g6 24. Qf3 Qf8 25. Ra2 Qe7 26. Qf2 g5 27. g3 Nh8 28. a5 Rc5 29. Bxc4 Rxc4 30. Rac2 gxf4 31. gxf4 Ng6 32. Nd2 Ra4 33. a6 Qh4 34. Qxh4 Nxh4 35. axb7 Kxb7 36. c4 Ng6 37. N2b3 dxc4 38. Rxc4 Rcxc4 39. Rxc4 Rxc4 40. Na5+ Kb6 41. Nxc4+ Kc5 42. b6 Kxd4 0-1

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.31"]
[Round "7"]
[White "Pikalow, Michael"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "1906"]
[BlackElo "2139"]
[PlyCount "26"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 d5 5. Bg2 0-0 6. 0-0 c6 7. c4 Re8 8. cxd5 cxd5 9. d4 Nc6 10. Nc3 Bf5 11. Rc1 Ne4 12. Nxe4 Bxe4 13. Ne5 Nxe5 1/2-1/2

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.30"]
[Round "5"]
[White "Hentzgen, Thomas"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2042"]
[BlackElo "2139"]
[PlyCount "39"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 c5 6. c4 Nc6 7. 0-0 d6 8. Nc3 Rb8 9. d4 cxd4 10. Nxd4 Bd7 11. Qd2 Qa5 12. Rfd1 Qh5 13. Nd5 Nxd5 14. Nxc6 bxc6 15. cxd5 Bxb2 16. Qxb2 c5 17. Qc3 Qxe2 18. Re1 Qa6 19. Rxe7 Bf5 20. Qf6 1/2-1/2

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.30"]
[Round "6"]
[White "Mertens, Fridolin"]
[Black "Windelband, Jens"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2139"]
[BlackElo "2136"]
[PlyCount "151"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. 0-0 Bd7 8. Re1 Nge7 9. h4 a6 10. h5 Nf5 11. Bxf5 exf5 12. cxd4 h6 13. Nc3 Be6 14. a3 Rc8 15. Qd3 Be7 16. b4 0-0 17. Na4 Qb5 18. Nb2 Na7 19. Bd2 Rc7 20. a4 Qd7 21. Reb1 Rfc8 22. Qb3 Kh7 23. Nd3 g5 24. hxg6+ fxg6 25. b5 Rc4 26. Ba5 Bd8 27. Bxd8 Qxd8 28. Nc5 Qe7 29. bxa6 bxa6 30. Qb7 Rc7 31. Qxa6 Nc6 32. Nxe6 Qxe6 33. Rb7 Nxd4 34. Qxe6 Nxe6 35. Rxc7+ Rxc7 36. Rd1 Ra7 37. Rxd5 Rxa4 38. Rd6 Nf8 39. Nd4 Ra1+ 40. Kh2 Re1 41. f4 Kg7 42. g3 Kf7 43. Kg2 Kg7 44. Ra6 Kf7 45. Ra7+ Kg8 46. e6 Nxe6 47. Nxe6 Rxe6 48. Kf3 Rf6 49. g4 fxg4+ 50. Kxg4 Rf7 51. Ra5 Rb7 52. Rc5 Kg7 53. Ra5 Rb6 54. Rc5 Kf6 55. Ra5 h5+ 56. Kg3 Rb3+ 57. Kg2 Rd3 58. Rb5 Ke6 59. Rg5 Kf6 60. Ra5 h4 61. Rg5 h3+ 62. Kh2 Rf3 63. Ra5 Re3 64. Rb5 Rf3 65. Ra5 Rxf4 66. Kxh3 Rf5 67. Ra3 Kg5 68. Kg3 Rb5 69. Rc3 Ra5 70. Rb3 Rc5 71. Ra3 Kh5 72. Rb3 g5 73. Ra3 Rb5 74. Rc3 Ra5 75. Rb3 Rc5 76. Ra3 1/2-1/2

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.29"]
[Round "4"]
[White "Mertens, Fridolin"]
[Black "Goergens, Michael"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2139"]
[BlackElo "2070"]
[PlyCount "143"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Ne7 8. Nd2 Qb6 9. Bxe7 Bxe7 10. c4 Bb4 11. 0-0-0 Qa6 12. Kb1 Bxd2 13. Qxd2 dxc4 14. Rh3 Nd7 15. Qg5 g6 16. Ne2 Nb6 17. Nc3 Nd5 18. Ne4 b5 19. Nd6+ Kd7 20. Ra3 Qb6 21. Nxf7 Rhg8 22. Nd6 Raf8 23. Ne4 b4 24. Nc5+ Qxc5 25. dxc5 bxa3 26. Qh6 Rf7 27. b3 cxb3 28. axb3 Kc7 29. Qd2 Rb8 30. Ka2 Kc8 31. Rh1 a5 32. Kxa3 a4 33. bxa4 Rf4 34. Rh3 Rbb4 35. Rb3 Rxa4+ 36. Kb2 Rab4 37. Rxb4 Rxb4+ 38. Ka3 Rxh4 39. Qh6 Rg4 40. Qf8+ Kb7 41. Qf7+ Nc7 42. g3 Kb8 43. Kb3 Kb7 44. Kc3 h4 45. gxh4 Rxh4 46. Qxg6 Rf4 47. Qg3 Ra4 48. Kd2 Ra5 49. Qc3 Ra2+ 50. Ke1 Kc8 51. Kf1 Ra7 52. Qf3 Kb7 53. Kg2 Ra8 54. Qf7 Rd8 55. f4 Rd3 56. Qh7 Rd8 57. Kg3 Rf8 58. Kg4 Kc8 59. Qg7 Rf5 60. Qh8+ Kd7 61. Qh7+ Kc8 62. Kg3 Kd8 63. Qh8+ Kd7 64. Qh7+ Kc8 65. Qe7 Kb7 66. Qd7 Rf8 67. Kg4 Rg8+ 68. Kh5 Rf8 69. Kg5 Rf5+ 70. Kg4 Rf8 71. Qd6 Rf7 72. Kg3 1/2-1/2

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.29"]
[Round "3"]
[White "Post, Hugo"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2188"]
[BlackElo "2139"]
[PlyCount "65"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 e6 6. Nf3 Bd6 7. 0-0 0-0 8. Re1 Nbd7 9. Nbd2 Qc7 10. Nf1 Rb8 11. Qe2 Re8 12. Ne5 Nf8 13. h4 N6d7 14. h5 f6 15. Ng4 Bf4 16. Qf3 Bxc1 17. Raxc1 h6 18. Nfe3 Nb6 19. Nxf6+ gxf6 20. Ng4 f5 21. Nf6+ Kf7 22. Nxe8 Kxe8 23. Qxf5 Qf7 24. Qe5 Ra8 25. Re3 Kd8 26. Rf3 Qe7 27. Qh8 Nbd7 28. Bb5 Kc7 29. c4 a6 30. cxd5+ Kb6 31. Bc4 exd5 32. Qxh6+ Ka7 33. Bxd5 1-0

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.28"]
[Round "1"]
[White "Haubold, Sebastian Marcel"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1884"]
[BlackElo "2139"]
[PlyCount "44"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 a6 5. Bb3 b5 6. Qf3 e6 7. e5 c6 8. exd6 Qxd6 9. Bf4 Qb4 10. a3 Qa5 11. Qg3 b4 12. Bc7 Qf5 13. Qd6 Nd7 14. Qxc6 Ra7 15. Bb6 Ne7 16. Qd6 Rb7 17. Bc5 Nxc5 18. dxc5 bxc3 19. Ba4+ Bd7 20. c6 Qe4+ 21. Ne2 Bxc6 22. Rd1 0-0 0-1

[Event "Sachsen-Anhalt-ch"]
[Site "Magdeburg"]
[Date "2021.10.28"]
[Round "2"]
[White "Mertens, Fridolin"]
[Black "Malek, Daniel"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2139"]
[BlackElo "2368"]
[PlyCount "127"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nxc3 7. bxc3 g6 8. Bc4 Bg7 9. 0-0 0-0 10. Re1 Qc7 11. Bf1 Nc6 12. Ba3 Rd8 13. Qb3 e6 14. Rac1 b6 15. Qa4 Bb7 16. Qh4 Rd5 17. Ng5 h6 18. Ne4 Rad8 19. h3 Ra5 20. Bb4 Rxa2 21. Bc4 Raxd2 22. Nxd2 Rxd2 23. Rcd1 Qd7 24. Bb3 Nxb4 25. cxb4 Qc6 26. Qg3 Rb2 27. Rc1 Qxg2+ 28. Qxg2 Bxg2 29. Bxe6 fxe6 30. Kxg2 Bd4 31. Rxe6 Kf7 32. Rd6 Rxf2+ 33. Kh1 Bf6 34. Rc7+ Be7 35. Rxa7 b5 36. Rb6 Rf5 37. Rab7 Rf3 38. Kg2 Rb3 39. Rxb5 Ke6 40. R5b6+ Bd6 41. Rg7 Rg3+ 42. Kf2 Rg5 43. Ke3 Rg1 44. Kd4 Rd1+ 45. Kc4 Kf5 46. Kb5 Rd4 47. Ka5 g5 48. b5 h5 49. Rc6 g4 50. hxg4+ hxg4 51. b6 Rd1 52. b7 Ra1+ 53. Kb5 Rb1+ 54. Kc4 Rc1+ 55. Kd5 Rd1+ 56. Kc4 Rc1+ 57. Kb5 Rb1+ 58. Ka4 Be5 59. Rc5 Kf6 60. Rxg4 Rxb7 61. Rg2 Rb2 62. Rc6+ Kf5 63. Rg1 Bd4 64. Rd1 1/2-1/2

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2021.07.18"]
[Round "11.5"]
[White "Mertens, Fridolin"]
[Black "Noack, Marcel"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2142"]
[BlackElo "2028"]
[PlyCount "27"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Magdeburg Aufbau Elbe II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be3 Nbd7 6. Bc4 e5 7. dxe5 dxe5 8. Qd2 0-0 9. 0-0-0 Qe7 10. Nd5 Nxd5 11. exd5 e4 12. Nd4 Ne5 13. Bb3 c5 14. dxc6 1/2-1/2

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2021.07.17"]
[Round "10.5"]
[White "Seibicke, Ralf"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2119"]
[BlackElo "2142"]
[PlyCount "9"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg Rochade"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 1/2-1/2

[Event "World Corporate East D"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "6.1"]
[White "Mertens, Fridolin"]
[Black "Myshakov, Fyodor"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2143"]
[BlackElo "2292"]
[PlyCount "85"]
[EventDate "2021.02.19"]
[EventType "team (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "EMCO"]
[BlackTeam "Sberbank Trade Union"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "RUS"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Qxd5 5. Nc3 Qd8 6. Nf3 Nf6 7. Bc4 e6 8. 0-0 Be7 9. d4 0-0 10. Bf4 Nbd7 11. Bb3 Nb6 12. Bc2 Nbd5 13. Be5 b6 14. a3 Bb7 15. Qd3 g6 16. Rad1 Rc8 17. Ne2 Re8 18. Bb1 Bf8 19. h4 Bg7 20. Ng5 Qd7 21. Ng3 Bc6 22. h5 Bb5 23. Qf3 Bxf1 24. Rxf1 Qc6 25. N3e4 Rf8 26. Bxf6 Nxf6 27. Nxf6+ Kh8 28. Be4 Qb5 29. Ngxh7 Rfd8 30. hxg6 fxg6 31. Qh3 Bxf6 32. Nxf6+ Kg7 33. Qxe6 Rc7 34. Nd5 Rf7 35. Qxg6+ Kf8 36. Qh6+ Ke8 37. Re1 Kd7 38. Nc3 Qxb2 39. Qc6+ Ke7 40. Bg6+ Kf8 41. Bxf7 Kxf7 42. Qe6+ Kg7 43. Qe7+ 1-0

[Event "World Corporate East D"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "4.3"]
[White "Mertens, Fridolin"]
[Black "Oosthuizen, Joubert"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2143"]
[PlyCount "96"]
[EventDate "2021.02.19"]
[EventType "team (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "EMCO"]
[BlackTeam "Rosewood Technologies"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "RSA"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nc6 7. Rb1 Bc5 8. Ne2 0-0 9. 0-0 Bb6 10. d3 h6 11. h3 Bf5 12. c4 Rb8 13. Nc3 Qd7 14. Kh2 Rfe8 15. Nd5 Ne7 16. Nxb6 axb6 17. Bb2 Nc6 18. Re1 Rbd8 19. Qf3 Bg6 20. a3 f6 21. Re3 Qf5 22. Qxf5 Bxf5 23. Rbe1 Kf7 24. Bf3 Bg6 25. Bd5+ Kf8 26. a4 Bf7 27. Ba3+ Kg8 28. f4 Bxd5 29. cxd5 Rxd5 30. Kg2 Kf7 31. Bb2 Ra8 32. fxe5 Nxe5 33. Rf1 Nc6 34. Rf4 Re8 35. Rfe4 Rxe4 36. Rxe4 Rc5 37. c3 Rd5 38. Re3 Ne5 39. d4 Nc4 40. Re2 Ra5 41. Bc1 Rxa4 42. Bf4 Nd6 43. Kf3 Ra3 44. Re3 b5 45. Ke2 Ra2+ 46. Kf3 Ra3 47. Ke2 Ra2+ 48. Kf3 Ra3 1/2-1/2

[Event "World Corporate East D"]
[Site "Chess.com INT"]
[Date "2021.02.20"]
[Round "5.2"]
[White "Slav, Moshe"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1807"]
[BlackElo "2143"]
[PlyCount "136"]
[EventDate "2021.02.19"]
[EventType "team (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Slav Group"]
[BlackTeam "EMCO"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 Nf6 11. 0-0 Nc6 12. Nf5 Bxf5 13. exf5 h5 14. h4 g4 15. Re1 0-0 16. f3 Qb6+ 17. Kh1 Qxb2 18. Qd2 Qb4 19. Rab1 Qa5 20. Qe3 Qxf5 21. Bd3 Qa5 22. Ne4 Nd5 23. Qg5 Nc3 24. Qxa5 Nxa5 25. Nxc3 Bxc3 26. Rxe7 Rfe8 27. Bxd6 Rxe7 28. Bxe7 Re8 29. Bg5 f6 30. Bf4 Be1 31. fxg4 hxg4 32. g3 Kg7 33. Bc7 Re7 34. Bd6 Re6 35. Bc7 Re7 36. Bf4 b5 37. Kg2 Nc4 38. Kf1 Bc3 39. Bf5 Be5 40. Re1 Kf7 41. Bxg4 Bxf4 42. Rxe7+ Kxe7 43. gxf4 Ne3+ 44. Ke2 Nxg4 45. Kf3 f5 46. Ke2 Kd6 47. Kd3 Kd5 48. Kc3 Kc5 49. Kd3 b4 50. c3 a5 51. cxb4+ axb4 52. h5 Kd5 53. Kd2 Kd4 54. Kc2 Kc4 55. Kb2 Nh6 56. Kc2 Nf7 57. Kb2 Kd4 58. Kb3 Ke4 59. Kxb4 Kxf4 60. a4 Kg5 61. h6 Kxh6 62. Kc5 Nd8 63. Kd4 Kg5 64. Ke3 Kg4 65. Kf2 Kf4 66. a5 Nc6 67. a6 Na7 68. Kf1 Kf3 0-1

[Event "World Corporate East D"]
[Site "Chess.com INT"]
[Date "2021.02.19"]
[Round "3.7"]
[White "Letyagin, Ivan"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "E20"]
[BlackElo "2143"]
[PlyCount "46"]
[EventDate "2021.02.19"]
[EventType "team (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Nizhny Novgorod Lanit"]
[BlackTeam "EMCO"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. e4 Bxc3 6. Bxc3 Nxe4 7. Qf3 Bb7 8. Qg4 0-0 9. Bd3 f5 10. Qh3 Nxc3 11. bxc3 Qf6 12. Nf3 Nc6 13. 0-0 d6 14. Rfe1 Rae8 15. Re3 e5 16. dxe5 dxe5 17. Nh4 e4 18. Bc2 Ne5 19. Bb3 Kh8 20. Rd1 g5 21. Nxf5 Qxf5 22. Qh5 Qxf2+ 23. Kh1 Qf1+ 0-1

[Event "World Corporate East D"]
[Site "Chess.com INT"]
[Date "2021.02.19"]
[Round "2.7"]
[White "Mertens, Fridolin"]
[Black "Ibrahem Barakat, Ahmed"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2143"]
[BlackElo "1691"]
[PlyCount "57"]
[EventDate "2021.02.19"]
[EventType "team (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "EMCO"]
[BlackTeam "MISR Insurance"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "EGY"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. Nge2 Bg4 6. h3 Bh5 7. 0-0 Nf6 8. d3 Nd4 9. g4 Bg6 10. Ng3 Qd7 11. Nd5 Nxd5 12. exd5 0-0-0 13. a4 h5 14. c3 h4 15. cxd4 hxg3 16. dxc5 gxf2+ 17. Rxf2 f5 18. c6 Qe7 19. cxb7+ Kb8 20. gxf5 Bh5 21. Qd2 Rdg8 22. Qg5 Qf7 23. a5 g6 24. f6 Kxb7 25. a6+ Ka8 26. Qd2 Rb8 27. Qc3 Rb6 28. Be3 Rb5 29. Qc6+ 1-0

[Event "World Corporate East D"]
[Site "Chess.com INT"]
[Date "2021.02.19"]
[Round "1.4"]
[White "Samburov, Alexey"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2143"]
[PlyCount "88"]
[EventDate "2021.02.19"]
[EventType "team (rapid)"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Google"]
[BlackTeam "EMCO"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Be2 e6 7. 0-0 Be7 8. Be3 Nf6 9. Rc1 0-0 10. Re1 Qa5 11. Qb3 Qb4 12. Qc2 d5 13. exd5 exd5 14. Bd2 Qg4 15. Ne5 Qe6 16. Nxc6 Qxc6 17. Bb5 Qd6 18. Re2 Bg4 19. f3 Bh5 20. Rce1 Bd8 21. Ba4 a6 22. a3 Bc7 23. g4 Bg6 24. Qc1 Bd3 25. Rf2 Bb6 26. Be3 d4 27. Bf4 Qd8 28. Na2 Rc8 29. Qd1 Bc4 30. Nb4 Nd5 31. Nxd5 Qxd5 32. Re5 Qd8 33. Re4 f5 34. Re5 fxg4 35. fxg4 Qh4 36. Rd2 Rxf4 37. Qe1 Rxg4+ 38. Rg2 d3+ 39. Kh1 Qxe1+ 40. Rxe1 Bd5 41. Reg1 Bxg1 42. Kxg1 Rxg2+ 43. Kf1 Rc1+ 44. Bd1 Rxd1# 0-1

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2020.03.01"]
[Round "9.5"]
[White "Mertens, Fridolin"]
[Black "Kesik, Klaus Dieter"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2142"]
[BlackElo "2217"]
[PlyCount "50"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Hoyerswerda"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nc6 6. Bb5 Nge7 7. c3 Nf5 8. Bd4 Be7 9. Nf3 0-0 10. 0-0 Bd7 11. Bd3 Nfxd4 12. cxd4 b6 13. cxb6 Qxb6 14. b3 Nb4 15. Nc3 Rac8 16. Rc1 Qa5 17. Bb1 Rc7 18. a3 Qxa3 19. Nxd5 Nxd5 20. Rxc7 Nxc7 21. Qc2 g6 22. Qxc7 Rd8 23. Be4 Bb5 24. Rb1 a6 25. Qc3 Qb4 1/2-1/2

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2020.02.29"]
[Round "8.5"]
[White "Schnoor, Ekkehard"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2107"]
[BlackElo "2142"]
[PlyCount "94"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Dresden Gruen Weiss"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 dxe4 9. dxe4 e5 10. c3 h6 11. Qe2 Be6 12. a4 Nd7 13. Nc4 Nb6 14. Nfd2 Nxc4 15. Nxc4 Na5 16. Nxa5 Qxa5 17. Qb5 Qc7 18. Be3 Rfc8 19. Qf1 Rd8 20. Bh3 Bb3 21. f3 c4 22. a5 Rd6 23. Qf2 Ra6 24. Qd2 Rd8 25. Qf2 Bf8 26. Kh1 Rxa5 27. Rxa5 Qxa5 28. Bxa7 Ra8 29. Bb6 Qb5 30. Be3 Ra2 31. Re2 Ra1+ 32. Kg2 Rb1 33. Re1 Ba2 34. Rxb1 Bxb1 35. Qd2 Bd3 36. Kf2 Bc5 37. Bxc5 Qxc5+ 38. Qe3 Qb5 39. Qd2 Qb6+ 40. Kg2 Kg7 41. b4 cxb3 42. Qxd3 Qa5 43. Be6 fxe6 44. Qd7+ Kf6 45. Qe8 Qc7 46. Qf8+ Qf7 47. Qb4 Qd7 1/2-1/2

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2020.01.19"]
[Round "7.6"]
[White "Hentzgen, Thomas"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2024"]
[BlackElo "2142"]
[PlyCount "86"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Halle USV"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3 Be7 6. Be2 h6 7. 0-0 c5 8. Ne5 0-0 9. d3 Nc6 10. Nxc6 bxc6 11. Nd2 Qb6 12. c4 a5 13. Qc2 Rfb8 14. e4 Bh7 15. f5 exf5 16. exf5 a4 17. g4 axb3 18. axb3 Rxa1 19. Rxa1 Qc7 20. Rf1 Nd7 21. Rf2 Bg5 22. Nf1 d4 23. Bd1 Re8 24. Bc1 Bxc1 25. Qxc1 Re1 26. Re2 Rxe2 27. Bxe2 Qe5 28. Ng3 h5 29. gxh5 Bxf5 30. Qg5 Bxd3 31. Qd8+ Nf8 32. Bxd3 Qe3+ 33. Kg2 Qxd3 34. Qe7 Qc2+ 35. Kh3 d3 36. Ne4 d2 37. Nxd2 Qxd2 38. Qxc5 Qd7+ 39. Kg3 Ne6 40. Qb6 Qc7+ 41. Qxc7 Nxc7 42. Kf4 c5 43. Ke5 Ne6 0-1

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2020.01.18"]
[Round "6.6"]
[White "Mertens, Fridolin"]
[Black "Richter, Dustin"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2142"]
[BlackElo "2141"]
[PlyCount "120"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Sangerhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. Qf3 a6 8. 0-0-0 Be7 9. Nxc6 dxc6 10. Qg3 Qxg3 11. hxg3 b5 12. f3 0-0 13. g4 e5 14. g5 Nd7 15. g3 Nc5 16. Rd2 Ne6 17. f4 f6 18. Rdh2 fxg5 19. f5 Nd8 20. Rxh7 Nf7 21. R7h2 Bd7 22. Be2 Nh6 23. Nd1 c5 24. Nf2 Bc6 25. Bh5 Be8 26. Ng4 Nxg4 27. Bxg4 Bc6 28. Bf3 g4 29. Bg2 Rad8 30. Rh5 Be8 31. Bg5 Bxh5 32. Bxe7 Bf7 33. Bxf8 Kxf8 34. b3 Rd4 35. Rh4 c4 36. Rxg4 c3 37. Rh4 Rd2 38. Bf3 Rf2 39. Bd1 Ke7 40. Rh1 b4 41. a3 bxa3 42. Kb1 a5 43. Ka2 a4 44. Kxa3 axb3 45. cxb3 Rb2 46. Bh5 Rxb3+ 47. Ka2 Bc4 48. Rc1 Kd6 49. Bd1 Rb2+ 50. Ka1 Rd2 51. Bf3 Ra2+ 52. Kb1 Rb2+ 53. Ka1 Rb3 54. Bd1 Ra3+ 55. Kb1 Kc5 56. Bc2 Ba2+ 57. Ka1 Bb3+ 58. Kb1 Kc4 59. Rd1 Bxc2+ 60. Kxc2 Ra2+ 0-1

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2019.12.08"]
[Round "5.3"]
[White "Beyer, Christof"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "B82"]
[WhiteElo "2013"]
[BlackElo "2142"]
[PlyCount "36"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Plauen Koenig II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nf6 8. f4 d6 9. Qf3 Bd7 10. 0-0-0 Nxd4 11. Rxd4 Bc6 12. g4 d5 13. e5 Nd7 14. Bf2 Bc5 15. Rd2 Bxf2 16. Rxf2 Nc5 17. Bd3 0-0-0 18. Re1 d4 1/2-1/2

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2019.12.07"]
[Round "4.3"]
[White "Mertens, Fridolin"]
[Black "Kuraszkiewicz, Michael"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2142"]
[BlackElo "2268"]
[PlyCount "85"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Plauen Koenig"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. a4 0-0 7. Re1 Na5 8. Ba2 c5 9. c3 Nc6 10. h3 h6 11. Bd2 Nh7 12. b4 cxb4 13. cxb4 Ng5 14. Bc3 Nxf3+ 15. Qxf3 Kh8 16. b5 Nd4 17. Bxd4 exd4 18. Bd5 f5 19. Nd2 Rb8 20. Qe2 Bf6 21. Qh5 Qe8 22. Qxe8 Rxe8 23. Rac1 Rf8 24. Rc7 Bd8 25. Rc4 a6 26. Nf3 axb5 27. axb5 Ba5 28. Rb1 fxe4 29. Bxe4 Bb6 30. Nh4 Re8 31. Ng6+ Kg8 32. Nf4 Bc5 33. Rc2 Ra8 34. Re2 Rd8 35. Bd5+ Kh7 36. Re7 Bf5 37. Rxb7 Ra3 38. Bc4 Rc3 39. Rd1 Rd7 40. Rb8 Rxc4 41. dxc4 Bc2 42. Rd2 Bb3 43. Ne6 1-0

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2019.11.17"]
[Round "3.6"]
[White "Gempe, Thomas"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "E95"]
[WhiteElo "2192"]
[BlackElo "2142"]
[PlyCount "21"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Leipzig SG"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Re1 c6 9. Bf1 exd4 10. Nxd4 Re8 11. Nc2 1/2-1/2

[Event "Oberliga Ost-A 1920"]
[Site "Germany"]
[Date "2019.09.29"]
[Round "1.5"]
[White "Schultz, Andreas"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2189"]
[BlackElo "2142"]
[PlyCount "60"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Leipzig SG II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 e5 7. 0-0 Nbd7 8. Be3 c6 9. Qc2 exd4 10. Nxd4 Qe7 11. Nb3 Re8 12. Nd2 Nc5 13. f3 Na6 14. Rfe1 d5 15. cxd5 Nb4 16. Qc1 cxd5 17. Bb5 Bd7 18. a3 Bxb5 19. axb4 Qxb4 20. exd5 Rac8 21. Qb1 a6 22. Nde4 Nxe4 23. fxe4 Bxc3 24. bxc3 Qxb1 25. Raxb1 Rxc3 26. Bf2 f6 27. Bd4 Rc4 28. Rbd1 Kf7 29. e5 fxe5 30. Bxe5 Bd7 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.25"]
[Round "9"]
[White "Mertens, Fridolin"]
[Black "Neffe, Axel"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "2113"]
[BlackElo "2198"]
[PlyCount "126"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. Kh1 0-0 10. f4 exf4 11. Bxf4 Ne5 12. Nd4 Qb6 13. Nd5 Bxd5 14. exd5 g6 15. c4 Rfe8 16. b3 Ne4 17. Be3 Bg5 18. Bg1 Qd8 19. Nf3 Nc3 20. Qc2 Nxe2 21. Qxe2 Ng4 22. Qd3 Bf6 23. Rae1 Qa5 24. h3 Ne5 25. Nxe5 Bxe5 26. Re2 Re7 27. Rfe1 Rae8 28. Bf2 a6 29. a4 Qb4 30. Re4 Qa5 31. Bh4 f6 32. Bf2 Qc7 33. R4e2 Qa5 34. Re4 Rc8 35. R4e2 Rd7 36. Rf1 b5 37. cxb5 Rc3 38. Qb1 axb5 39. Be1 b4 40. Bxc3 bxc3 41. Qd3 Rc7 42. Re4 Rb7 43. Rb1 Rb4 44. Rxe5 fxe5 45. Qxc3 Qb6 46. Qc8+ Kg7 47. Qc6 Qf2 48. Qxd6 Re4 49. Qc7+ Kh6 50. Qc1+ g5 51. Qf1 Qxf1+ 52. Rxf1 Rd4 53. Rb1 e4 54. b4 e3 55. Kg1 e2 56. Kf2 Rd1 57. Kxe2 Rxb1 58. b5 Kg6 59. Kd3 Rb4 60. b6 Rxb6 61. Kc4 Kf6 62. Kc5 Ra6 63. Kb5 Rd6 0-1

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.24"]
[Round "8"]
[White "Rosmann, Ilja"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2323"]
[BlackElo "2113"]
[PlyCount "96"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Nc6 8. Nde2 Be7 9. 0-0 0-0 10. h3 b5 11. a3 Bb7 12. g4 d6 13. Ng3 Rfd8 14. g5 Ne8 15. f4 Bf8 16. h4 d5 17. e5 a5 18. h5 b4 19. axb4 axb4 20. Na4 Ba6 21. Re1 Bb5 22. b3 Bc5+ 23. Be3 Bxe3+ 24. Rxe3 Qa7 25. Qd2 Qd4 26. Rd1 Qxf4 27. g6 hxg6 28. hxg6 fxg6 29. Nb6 d4 30. Rd3 Qxd2 31. R3xd2 Ra2 32. Be4 Nc7 33. Nc4 Nd5 34. Bxg6 Bxc4 35. bxc4 Ne3 36. Re1 Nxc4 37. Rde2 Ra5 38. Be4 N6xe5 39. Rh2 g6 40. Rb1 Rb5 41. Nf1 Nd6 42. Bg2 Kg7 43. Rh3 Nec4 44. Rd3 e5 45. Nd2 Ne3 46. Rb2 Rc8 47. Ne4 Ndc4 48. Ra2 Ra5 0-1

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.23"]
[Round "7"]
[White "Mertens, Fridolin"]
[Black "Wierzbicki, Jirawat"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2113"]
[BlackElo "2160"]
[PlyCount "114"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 h6 8. a5 a6 9. c3 Nh7 10. Nbd2 Ng5 11. h3 Be6 12. Bxe6 fxe6 13. d4 exd4 14. cxd4 Bf6 15. Nxg5 Bxg5 16. Nf3 Bxc1 17. Qxc1 Rxf3 18. gxf3 Nxd4 19. Ra3 Qf6 20. f4 Rf8 21. Qd2 c5 22. e5 dxe5 23. Rxe5 Rd8 24. Qd1 Nc6 25. Qh5 Nxe5 26. fxe5 Qf7 27. Qxf7+ Kxf7 28. Rb3 Rd7 29. Rc3 Rc7 30. Rc4 Kg6 31. b4 Kf5 32. f4 g5 33. fxg5 hxg5 34. bxc5 Kxe5 35. Rg4 Kf5 36. Rc4 e5 37. Kf2 Rc6 38. Kf3 Rh6 39. Kg3 Rh4 40. Rc1 Ra4 41. Rf1+ Ke4 42. Rb1 Rxa5 43. Rxb7 Rxc5 44. Kg4 Ke3 45. Kxg5 e4+ 46. Kg4 Rb5 47. Ra7 a5 48. h4 Ke2 49. h5 e3 50. h6 Kf2 51. h7 Rb8 52. Rxa5 Rh8 53. Rf5+ Ke1 54. Re5 e2 55. Re7 Kf1 56. Rf7+ Kg2 57. Re7 Rxh7 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.22"]
[Round "6"]
[White "Rogozenco, Teodora Nana"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1974"]
[BlackElo "2113"]
[PlyCount "60"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. 0-0 b6 10. c5 e6 11. Bg5 h6 12. Be3 exd5 13. exd5 Bf5 14. f3 Re8 15. Qd2 Kh7 16. Rad1 e4 17. fxe4 Bxe4 18. Nxe4 Nxe4 19. Qc1 Nxc5 20. Rxf7 Re7 21. Rf3 Qe8 22. Bc4 Bxb2 23. Qd2 Bg7 24. d6 Ne4 25. Qd5 Nxd6 26. Bf2 Nxc4 27. Qxc4 Rd8 28. Rxd8 Qxd8 29. Bh4 Qd1+ 30. Rf1 Qd4+ 0-1

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.21"]
[Round "5"]
[White "Mertens, Fridolin"]
[Black "Schulz, Olaf"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2113"]
[BlackElo "1957"]
[PlyCount "156"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Qc7 6. Nf3 Nd7 7. Bb5 Bxc5 8. b4 Bf8 9. Bb2 a6 10. Bd3 b5 11. 0-0 Nb6 12. Nbd2 Ne7 13. Bd4 Nc6 14. c3 Nc4 15. Re1 g6 16. Nb3 Bg7 17. Bxc4 bxc4 18. Nc5 0-0 19. Qe2 Re8 20. Qe3 Bd7 21. Qg5 Nxd4 22. cxd4 Bc6 23. h4 Qe7 24. Qd2 Ra7 25. Ra2 Rb8 26. a4 Bf8 27. g3 h5 28. Rb1 Qe8 29. a5 Be7 30. Rab2 Kg7 31. Qe3 Bb5 32. Ng5 Bd8 33. Nh3 Bd7 34. Nf4 Bc8 35. Ne2 Be7 36. f3 Qd8 37. Kf2 Bd7 38. Ke1 Rb5 39. Nc3 Rb8 40. Ne2 Qe8 41. Kd2 Ba4 42. Qa3 Bb3 43. Nc1 c3+ 44. Kxc3 Bc4 45. Kd2 Qf8 46. Ne2 Rc7 47. Nf4 Rc6 48. Nd7 Qc8 49. Nxb8 Qxb8 50. Nd3 Qb5 51. Nc5 Rc8 52. Qa4 Rxc5 53. Qxb5 Rxb5 54. Kc3 Rb7 55. Kd2 Kf8 56. Kc3 Ke8 57. f4 Kd7 58. Kd2 Kc6 59. Kc3 Bd8 60. Rg1 Kb5 61. Rc1 Be7 62. Rcb1 Rb8 63. Kd2 Rc8 64. Ke3 Kc6 65. Kd2 Kb7 66. Rc2 Bb5 67. Rxc8 Kxc8 68. Kc3 Bc4 69. Rb2 Kb7 70. Rb1 Kc6 71. Rb2 Kb5 72. Rb1 Bf8 73. Rb2 Bh6 74. Rb1 Bg7 75. Rb2 Bf8 76. Rb1 Be7 77. Rb2 Ka4 78. Rb1 Kb5 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.20"]
[Round "4"]
[White "Karyah, Thomas"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1870"]
[BlackElo "2113"]
[PlyCount "88"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 h6 4. Nc3 c6 5. e4 d6 6. Nge2 Be6 7. d3 Be7 8. f4 exf4 9. Nxf4 Bg4 10. Qb3 Qb6 11. Qxb6 axb6 12. h3 Bc8 13. b3 Na6 14. 0-0 g5 15. Nfe2 Nc5 16. Na4 Nxd3 17. Nxb6 Nxc1 18. Nxc1 Rb8 19. Nxc8 Rxc8 20. Nd3 Nd7 21. Rae1 Bf6 22. Bf3 Ra8 23. Re2 h5 24. g4 h4 25. Bg2 Bd4+ 26. Kh1 Ke7 27. Ne1 f6 28. Nf3 Be5 29. Rd1 Nc5 30. Nxe5 dxe5 31. Red2 Rhd8 32. Rxd8 Rxd8 33. Rxd8 Kxd8 34. Kg1 Nd3 35. a4 c5 36. Bf3 Kc7 37. Be2 Nc1 38. Bd1 Kb6 39. Kf2 Ka5 40. Ke3 Kb4 41. Kd2 Nxb3+ 42. Kd3 Na5 43. Bc2 Nxc4 44. Bd1 Nb2+ 0-1

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.19"]
[Round "3"]
[White "Mertens, Fridolin"]
[Black "Ahmadinia, Ebrahim"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2113"]
[BlackElo "2453"]
[PlyCount "160"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 c6 6. Qd2 b5 7. Bd3 Nbd7 8. Bh6 Bxh6 9. Qxh6 e5 10. 0-0-0 a6 11. dxe5 dxe5 12. Rhf1 Qe7 13. Nd2 Bb7 14. f4 0-0-0 15. fxe5 Ng4 16. Qf4 Ngxe5 17. Be2 h5 18. h3 Kb8 19. Nf3 Ka8 20. a3 Rhf8 21. Rd2 Nxf3 22. gxf3 Nc5 23. Rfd1 Rxd2 24. Qxd2 h4 25. Bf1 g5 26. f4 gxf4 27. Qxf4 Ne6 28. Qf5 Qg5+ 29. Kb1 Qxf5 30. exf5 Ng7 31. Bd3 Bc8 32. Rf1 Nh5 33. Ne2 Rg8 34. Be4 Kb7 35. Bf3 Nf6 36. Nd4 Bd7 37. Re1 Re8 38. Rxe8 Nxe8 39. Bh5 Nd6 40. f6 Bxh3 41. Nf3 Be6 42. Nxh4 Ne4 43. Kc1 Nxf6 44. Bf3 Kc7 45. Kd2 Kd6 46. b3 a5 47. Be2 Ke5 48. Nf3+ Ke4 49. Ne1 Ke5 50. Nf3+ Kd6 51. Ng5 Nd7 52. Ke3 f6 53. Ne4+ Ke5 54. Nd2 Nb6 55. c4 b4 56. axb4 axb4 57. Bf3 c5 58. Bc6 Bf5 59. Be4 Bg4 60. Bf3 f5 61. Ne4 Bxf3 62. Nxc5 Bd1 63. Nd3+ Ke6 64. Kf4 Nc8 65. Nxb4 Ne7 66. Nd3 Kf6 67. b4 Be2 68. Nb2 Bf1 69. b5 Ng6+ 70. Ke3 Ne5 71. b6 Bg2 72. c5 Ke6 73. Na4 Bc6 74. Nb2 Kf6 75. Nd1 Kg5 76. Nc3 f4+ 77. Kd4 Nf3+ 78. Kd3 Ne5+ 79. Kd4 Nd7 80. Nb5 Bxb5 0-1

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.18"]
[Round "2"]
[White "Alten, Silvio"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1883"]
[BlackElo "2113"]
[PlyCount "116"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c4 Nf6 5. Nc3 0-0 6. h3 Nc6 7. Be3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Nd5 Rd7 12. Nxf6+ Bxf6 13. c5 Rd8 14. Bc4 Kf8 15. Ke2 Ke7 16. Rac1 Be6 17. b4 c6 18. Bxe6 Kxe6 19. Rhd1 a5 20. a3 axb4 21. axb4 Ra2+ 22. Kf3 Rxd1 23. Rxd1 Rb2 24. Rd6+ Ke7 25. Bd2 h6 26. Bxh6 Rxb4 27. Be3 Bg7 28. g4 Bf6 29. g5 Bg7 30. Bd2 Rc4 31. Rd3 Bf8 32. Rb3 Ke6 33. Be3 Bxc5 34. Bxc5 Rxc5 35. Rxb7 Rc1 36. Rc7 c5 37. Ke2 Rc3 38. Kd2 Rxh3 39. Rxc5 Rh5 40. f4 exf4 41. Kd3 Rh3+ 42. Kd4 Rg3 43. Ra5 Rg1 44. Ra6+ Ke7 45. Ra7+ Kf8 46. Ke5 f3 47. Kf6 Kg8 48. Ra8+ Kh7 49. Ra2 Rg4 50. Kxf7 Rf4+ 51. Ke6 f2 52. Ra7+ Kg8 53. Ra8+ Rf8 54. Ra1 f1Q 55. Rxf1 Rxf1 56. Ke7 Re1 57. Kf6 Rxe4 58. Kxg6 Rg4 0-1

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.17"]
[Round "1"]
[White "Mertens, Fridolin"]
[Black "Jansen, Robert"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2113"]
[BlackElo "1746"]
[PlyCount "61"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 Bb4 5. dxe5 Nxe4 6. Qd4 Bxc3+ 7. bxc3 d5 8. Bg2 0-0 9. Ne2 Be6 10. 0-0 Nd7 11. f3 Nec5 12. Ba3 b6 13. Qe3 Re8 14. f4 f5 15. Nd4 Qc8 16. g4 Nf8 17. gxf5 Bxf5 18. Nxf5 Qxf5 19. Bxc5 bxc5 20. Qxc5 Rac8 21. Rf2 Ng6 22. Raf1 Nh4 23. Qxa7 Re6 24. Kh1 Nxg2 25. Rxg2 Rg6 26. Re2 Rf8 27. Qe3 Re8 28. a4 h5 29. Qd4 Qg4 30. Ref2 Qe6 31. f5 1-0

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2019.04.07"]
[Round "9.1"]
[White "Mertens, Fridolin"]
[Black "Geue, Niklas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2116"]
[BlackElo "2016"]
[PlyCount "55"]
[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 "Loeberitz II"]
[BlackTeam "Magdeburg USC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. c3 cxd4 8. Nxd4 Nxe4 9. Bxe4 Nf6 10. Bg5 Be7 11. Bc2 Qd5 12. Nf3 0-0 13. Qxd5 Nxd5 14. Bxe7 Nxe7 15. 0-0-0 b6 16. Ne5 Bb7 17. Rd7 Nc6 18. Rxb7 Nxe5 19. Re1 Ng4 20. f3 Nf6 21. Be4 Rfb8 22. Rc7 Rc8 23. Rb7 Rcb8 24. Rc7 Rc8 25. Bxa8 Rxc7 26. Rd1 Kf8 27. Kc2 Ke7 28. f4 1/2-1/2

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2019.04.06"]
[Round "8.1"]
[White "Michel, Steffen"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2148"]
[BlackElo "2116"]
[PlyCount "94"]
[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 "Graefenhainichen"]
[BlackTeam "Loeberitz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. Nf3 c5 5. e3 Nc6 6. Bb5 e6 7. Ne5 Qb6 8. a4 a5 9. g4 Bg6 10. h4 h6 11. Nxg6 fxg6 12. Bd3 0-0-0 13. Bxg6 Qxb2 14. Nb5 cxd4 15. Bf7 e5 16. Bg3 Qb4+ 17. Kf1 dxe3 18. f3 Bc5 19. Kg2 Bb6 20. Be6+ Kb8 21. Rb1 Qe7 22. Bf5 Ka8 23. Qe2 Rhe8 24. Rb3 d4 25. Rhb1 Nd5 26. Be4 Ncb4 27. Na3 Nc3 28. Rxc3 dxc3 29. Qb5 Rd2+ 30. Kh3 Ka7 31. Nc4 Qc5 32. Qxe8 Qxc4 33. Bxe5 Nc6 34. Bg3 Rd8 35. Qh5 Qxa4 36. Rb5 Qd4 37. Qf7 Rd7 38. Qe6 Nd8 39. Qa2 Nc6 40. Qe6 Re7 41. Qb3 e2 42. Qb1 Qg1 43. Rxb6 Qxb6 44. Qe1 Rxe4 45. fxe4 Qe3 46. Kh2 Nd4 47. Qa1 Ka6 0-1

[Event "Oberliga Ost-A 1819"]
[Site "Germany"]
[Date "2019.03.24"]
[Round "9.8"]
[White "Mertens, Fridolin"]
[Black "Peters, Andreas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2110"]
[BlackElo "2258"]
[PlyCount "59"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Leipzig SG II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. c4 d5 3. exd5 exd5 4. d4 Nf6 5. Nf3 Be7 6. Bd3 0-0 7. 0-0 Bg4 8. Be3 Nc6 9. Nc3 Nb4 10. Be2 dxc4 11. Bxc4 c6 12. h3 Bh5 13. g4 Bg6 14. Ne5 Nbd5 15. Qb3 Nb6 16. f4 Nxc4 17. Qxc4 Be4 18. Nxe4 Nxe4 19. f5 Qd5 20. Qxd5 cxd5 21. Rac1 Rac8 22. Kg2 f6 23. Nd3 Bd6 24. Rxc8 Rxc8 25. Rc1 Rxc1 26. Bxc1 Kf7 27. Bf4 g6 28. Bxd6 Nxd6 29. fxg6+ hxg6 30. Nf4 1/2-1/2

[Event "Oberliga Ost-A 1819"]
[Site "Germany"]
[Date "2019.03.23"]
[Round "8.7"]
[White "Mertens, Fridolin"]
[Black "Hoffmann, Hendrik"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2110"]
[BlackElo "2265"]
[PlyCount "180"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Leipzig SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 a6 7. Re1 b5 8. e5 Ne8 9. a4 b4 10. Na2 a5 11. c3 bxc3 12. Nxc3 Nc6 13. Bf4 Nb4 14. Rc1 c6 15. Ng5 d5 16. Qd2 Nc7 17. h4 f6 18. Nf3 Bg4 19. Nh2 Bxe2 20. Rxe2 Qd7 21. Rce1 Ne6 22. exf6 Rxf6 23. Be5 Rf7 24. Ng4 Nf4 25. Bxf4 Qxg4 26. g3 Raf8 27. Be5 Bxe5 28. dxe5 Rf5 29. Nd1 Qf3 30. Re3 Qh5 31. Qe2 Qxe2 32. R1xe2 d4 33. Re4 c5 34. f4 h6 35. Nf2 g5 36. hxg5 hxg5 37. Nh3 gxf4 38. Rxf4 d3 39. Ref2 Rxf4 40. Nxf4 Rd8 41. Rd2 c4 42. Kf2 Nc6 43. e6 Nd4 44. Ke3 Rd6 45. Rd1 Nxe6 46. Nxe6 Rxe6+ 47. Kd4 Rc6 48. Kc3 e5 49. Re1 Rd6 50. Kd2 Rd5 51. Re4 Rc5 52. Re1 Kf7 53. b3 cxb3 54. Kxd3 Ke6 55. Rb1 Rd5+ 56. Ke3 Rd4 57. Rxb3 Rxa4 58. Kf3 Rb4 59. Ra3 a4 60. Ke2 Kd5 61. Rd3+ Rd4 62. Ra3 Kc5 63. Re3 Kd5 64. Ra3 Rb4 65. Kd2 Rg4 66. Re3 Re4 67. Ra3 Kc5 68. Kd3 Rg4 69. Kc2 Kb4 70. Re3 Rc4+ 71. Kb2 e4 72. g4 Kc5 73. g5 Kd4 74. Rg3 Rc7 75. g6 Rg7 76. Kc2 Ke5 77. Kd2 Kf4 78. Ra3 Rxg6 79. Rxa4 Kf3 80. Ra8 e3+ 81. Kd3 Rd6+ 82. Kc2 e2 83. Rf8+ Ke3 84. Re8+ Kf2 85. Rf8+ Ke1 86. Rc8 Rf6 87. Rh8 Kf2 88. Rh2+ Ke3 89. Rh3+ Rf3 90. Rh1 Rf1 0-1

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2019.02.24"]
[Round "6.1"]
[White "Mertens, Fridolin"]
[Black "Praczyk, Karl"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2106"]
[BlackElo "2031"]
[PlyCount "117"]
[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 "Loeberitz II"]
[BlackTeam "Coethen Germania"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 Nxe4 5. Qe2 Qe7 6. Nf4 Nf6 7. Nc3 c6 8. d4 Qxe2+ 9. Bxe2 Bf5 10. Bd3 Bxd3 11. Nxd3 Nbd7 12. Bf4 Nh5 13. Bd2 Nhf6 14. 0-0-0 Nb6 15. Bg5 Nbd5 16. Rhe1+ Be7 17. Nxd5 Nxd5 18. Re2 Kd7 19. Bxe7 Nxe7 20. Nc5+ dxc5 21. dxc5+ Nd5 22. c4 Rhe8 23. Red2 Kc7 24. cxd5 cxd5 25. Rxd5 Re7 26. R1d2 a5 27. Rd6 Rf8 28. a3 Re4 29. R6d4 Rxd4 30. Rxd4 Kc6 31. b4 axb4 32. axb4 Kb5 33. Kd2 b6 34. cxb6 Kxb6 35. Rd7 Kc6 36. Re7 Kb5 37. Kc3 g6 38. Re5+ Kb6 39. Kd4 Rd8+ 40. Rd5 Rf8 41. f4 Re8 42. Rd7 f5 43. g3 Kc6 44. Rxh7 Re4+ 45. Kc3 Re3+ 46. Kc4 Re4+ 47. Kb3 Re1 48. Rg7 Kb5 49. Rxg6 Re3+ 50. Kc2 Kxb4 51. Rf6 Kc4 52. Kd2 Ra3 53. Rxf5 Kd4 54. Re5 Ra2+ 55. Ke1 Rxh2 56. Re2 Rh1+ 57. Kf2 Kd3 58. Re5 Kd4 59. Kf3 1-0

[Event "Oberliga Ost-A 1819"]
[Site "Germany"]
[Date "2019.02.02"]
[Round "6.7"]
[White "Mertens, Fridolin"]
[Black "Mader, Joerg"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2110"]
[BlackElo "2096"]
[PlyCount "62"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Leipzig VfB"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 Nxe4 5. Qe2 Qe7 6. Nf4 Nf6 7. Nc3 c6 8. d3 g5 9. Nh3 Qxe2+ 10. Bxe2 h6 11. f4 Bxh3 12. fxg5 Bxg2 13. Rg1 Bh3 14. gxf6 Nd7 15. Be3 Rh7 16. Rg3 Be6 17. Rf3 Ne5 18. Rf4 h5 19. Rh4 Bg4 20. Bxg4 Nxg4 21. Bg5 Kd7 22. 0-0-0 Bh6 23. Rxh5 Bxg5+ 24. Rxg5 Nxf6 25. Rf1 Nd5 26. Nxd5 cxd5 27. Rxd5 Rxh2 28. Rxf7+ Kc6 29. Rd4 Rg8 30. Rc4+ Kd5 31. b3 b5 1-0

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2018.12.16"]
[Round "4.1"]
[White "Mertens, Fridolin"]
[Black "Roehr, Tobias"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2106"]
[BlackElo "2189"]
[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 "Loeberitz II"]
[BlackTeam "Magdeburg Aufbau Elbe III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Nc3 a6 7. Bd3 Nf6 8. 0-0 b5 9. Nxc6 Qxc6 10. a3 Bb7 11. Qe2 h5 12. f3 Bc5 13. e5 Ng4 14. fxg4 Bxe3+ 15. Kh1 Qc5 16. Be4 Bxe4 17. Nxe4 Qxe5 18. Qxe3 d5 19. Qf2 hxg4 20. Ng3 0-0 21. c3 f5 22. Rae1 Qf6 23. Qb6 Rae8 24. Qd6 Qh6 25. Ne2 Rf6 26. Nf4 Kh7 27. Qd7 Rh8 28. Rxe6 g3 29. h3 Rxe6 30. Qxe6 Qxe6 31. Nxe6 Re8 32. Nd4 f4 33. Kg1 g5 34. Rd1 Kg6 35. Kf1 g4 36. hxg4 Kg5 37. Nf3+ Kxg4 38. Rxd5 b4 39. Rg5# 1-0

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2018.11.25"]
[Round "3.1"]
[White "Oltmanns, Ingmar"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "1955"]
[BlackElo "2110"]
[PlyCount "108"]
[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 "Reideburg 90 Halle"]
[BlackTeam "Loeberitz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. Ne5 0-0 9. 0-0 c6 10. Rd1 Nfd7 11. Nxd7 Nxd7 12. cxd5 cxd5 13. Nc3 b5 14. a3 Nb6 15. b3 Rc8 16. Qb2 Qd7 17. Na2 Bf6 18. Nb4 Bb7 19. Nd3 Rc7 20. Bf4 Rc6 21. g4 Rfc8 22. Ra2 Qd8 23. Qb1 Nd7 24. b4 Bxd4 25. Nc5 Bxc5 26. bxc5 a6 27. a4 Rxc5 28. Be3 Rc4 29. axb5 axb5 30. h3 Bc6 31. Rb2 Qf6 32. Bd2 Nc5 33. Be1 Be8 34. e3 Na4 35. Rb3 Nc3 36. Bxc3 Rxc3 37. Rb4 Rc2 38. f4 Qc3 39. Rb3 Qc5 40. Kh2 Re2 41. Re1 Qc2 42. Rxe2 Qxe2 43. Kg3 Rc2 44. Qf1 Qc4 45. Rb1 Rc3 46. Qf3 Qd3 47. Re1 b4 48. f5 b3 49. Qf4 Qc4 50. fxe6 fxe6 51. Qd6 Qc7 52. Qxc7 Rxc7 53. Rb1 Rc3 54. Kf4 Bg6 0-1

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2018.11.11"]
[Round "2.1"]
[White "Mertens, Fridolin"]
[Black "Spreng, Simon"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2110"]
[BlackElo "2211"]
[PlyCount "82"]
[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 "Loeberitz II"]
[BlackTeam "Dessau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 a6 5. Nc3 Nd7 6. Bc4 e6 7. a4 b6 8. 0-0 Ne7 9. Be3 h6 10. Qd2 Bb7 11. Ba2 Nf6 12. d5 e5 13. Nh2 g5 14. h4 gxh4 15. f4 exf4 16. Bxf4 Ng6 17. e5 Nh5 18. exd6 Nhxf4 19. Rae1+ Kf8 20. Ne4 cxd6 21. Rxf4 Nxf4 22. Qxf4 Be5 23. Qf2 Rg8 24. Rf1 Qe7 25. Nf3 Bg3 26. Nxg3 hxg3 27. Qxb6 Re8 28. Nd4 Qe3+ 29. Kh1 Qe5 30. Nf5 Rg6 31. Qd4 Qxd4 32. Nxd4 Re4 33. c3 Rf6 34. Bc4 Rxf1+ 35. Bxf1 Bxd5 36. Nf5 Rxa4 37. Nxg3 a5 38. Kh2 Ra2 39. b4 a4 40. c4 Ba8 41. c5 dxc5 0-1

[Event "Oberliga Ost-A 1819"]
[Site "Germany"]
[Date "2018.11.10"]
[Round "2.7"]
[White "Grohmann, Alexander"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1973"]
[BlackElo "2110"]
[PlyCount "49"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Hoyerswerda"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bg7 6. Bxc6+ bxc6 7. 0-0 e6 8. d3 Ne7 9. Qe1 0-0 10. Kh1 a5 11. Na4 Ba6 12. c4 Nc8 13. Bd2 Qe7 14. Rb1 Qa7 15. b3 Bb7 16. Qh4 Nb6 17. Nxb6 Qxb6 18. f5 exf5 19. exf5 f6 20. fxg6 hxg6 21. Qe4 Kh7 22. Qh4+ Kg8 23. Qe4 Kh7 24. Qh4+ Kg8 25. Qe4 1/2-1/2

[Event "Sachsen-Anhalt Verbandsliga 18/19"]
[Site "Sachsen Anhalt"]
[Date "2018.10.21"]
[Round "1.1"]
[White "Hoffmann, Lennard"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1996"]
[BlackElo "2110"]
[PlyCount "90"]
[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 "Merseburg"]
[BlackTeam "Loeberitz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 Be7 9. f4 exf4 10. Bxf4 Nc6 11. Qe2 Nd7 12. 0-0-0 Nce5 13. g4 Rc8 14. Nd5 Bxd5 15. exd5 0-0 16. Kb1 Bf6 17. Qg2 g6 18. g5 Bg7 19. h4 Nb6 20. h5 Qc7 21. hxg6 hxg6 22. Bc1 Rfe8 23. Rh3 Nbc4 24. Rd4 b5 25. Rf4 Nb6 26. Rh1 Nxd5 27. Rfh4 Nf3 28. Rh7 Ne1 29. Qd2 Qxc2+ 30. Qxc2 Nxc2 31. Bg2 Nce3 32. Bxe3 Nxe3 33. Bb7 Rc2 34. R7h2 Rxh2 35. Rxh2 Nc4 36. Bxa6 Re1+ 37. Kc2 Re5 38. Nd4 Rxg5 39. Nxb5 Nxb2 40. Nc3 Rc5 41. Kxb2 Rxc3 42. Kb1 Be5 43. Rc2 Rf3 44. a4 Ra3 45. Bb5 Ra1# 0-1

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.13"]
[Round "7.1"]
[White "Schiffner, Kevin"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2018"]
[BlackElo "2129"]
[PlyCount "10"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Be7 5. d3 0-0 1/2-1/2

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.12"]
[Round "6.1"]
[White "Mertens, Fridolin"]
[Black "Schulte, Felix"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "2129"]
[BlackElo "2090"]
[PlyCount "52"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Nc6 7. Be2 Be7 8. Be3 Be6 9. Qd2 0-0 10. 0-0-0 a5 11. a4 Rc8 12. f3 Nb4 13. Na1 d5 14. exd5 Nfxd5 15. Nxd5 Nxd5 16. Kb1 Qc7 17. Bd3 Bb4 18. Qf2 Rfd8 19. Bd2 Bc5 20. Qg3 Nb4 21. Bxb4 Bxb4 22. c3 Rxd3 23. Rxd3 Qc4 24. Kc2 Bf5 25. Rhd1 Bxc3 26. Qg4 Bd4+ 0-1

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.12"]
[Round "5.1"]
[White "Ozeran, Volodymyr"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2094"]
[BlackElo "2129"]
[PlyCount "158"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. 0-0 c5 6. c3 Be7 7. dxc5 Bxc5 8. Nd4 Bxg2 9. Kxg2 Qb6 10. a4 b4 11. Nb3 Be7 12. cxb4 Qxb4 13. Nc3 Qb7+ 14. Kg1 Nc6 15. Nd4 0-0 16. e4 d6 17. Nxc6 Qxc6 18. Qd3 Rab8 19. f3 Nd7 20. Be3 Rxb2 21. Nb5 Ne5 22. Nxa7 Qxa4 23. Rxa4 Nxd3 24. Bd4 Rc2 25. Rd1 Nc1 26. Rb4 d5 27. Rb7 Ne2+ 28. Kh1 Nxd4 29. Rxd4 Bc5 30. Rd1 dxe4 31. fxe4 Re2 32. Nc6 Ra8 33. e5 h6 34. Rd8+ Rxd8 35. Nxd8 Rf2 36. Rb5 Bd4 37. Nc6 Be3 38. Rb3 Re2 39. Rb4 Kh7 40. Re4 Re1+ 41. Kg2 Bd2 42. Rxe1 Bxe1 43. g4 Kg6 44. Nd4 Bc3 45. Nf3 f5 46. h3 Kf7 47. Kf2 Ke7 48. Ke3 g5 49. Kd3 Bb2 50. Kc4 fxg4 51. hxg4 h5 52. gxh5 g4 53. Nd4 g3 54. Nf3 g2 55. Kd3 Bxe5 56. Ke3 Bg3 57. Ng1 Kf6 58. Kf3 Bh2 59. Kxg2 Bxg1 60. Kxg1 Kg5 61. Kf2 Kxh5 62. Ke3 Kg5 63. Ke4 Kf6 64. Kf4 e5+ 65. Ke4 Ke6 66. Ke3 Kd6 67. Ke4 Ke6 68. Ke3 Kd5 69. Kd3 e4+ 70. Ke3 Ke5 71. Ke2 Kf4 72. Kf2 e3+ 73. Ke2 Ke4 74. Ke1 Kf3 75. Kf1 Kf4 76. Ke2 Ke4 77. Ke1 Kd3 78. Kd1 e2+ 79. Ke1 Ke3 1/2-1/2

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.11"]
[Round "3.1"]
[White "Hartge, Gedeon"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2183"]
[BlackElo "2129"]
[PlyCount "73"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 Re8 6. a3 Bf8 7. Ng3 d5 8. Be2 b6 9. 0-0 c5 10. dxc5 bxc5 11. cxd5 exd5 12. Bf3 Be6 13. Nge2 g5 14. g3 h6 15. Bg2 Nc6 16. Qa4 Qb6 17. h4 Rac8 18. hxg5 hxg5 19. Qc2 Ne7 20. e4 d4 21. e5 Bf5 22. Ne4 Ng4 23. Bxg5 Nxe5 24. Nf4 N5g6 25. Qd2 Bg7 26. Nh5 Nd5 27. Rae1 Bh8 28. Nf4 Ngxf4 29. Bxf4 Re6 30. Ng5 Rxe1 31. Rxe1 Nxf4 32. Qxf4 Bg6 33. Nxf7 Bg7 34. Bd5 Bxf7 35. Bxf7+ Kh8 36. Re6 Qd8 37. Rh6+ 1-0

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.11"]
[Round "4.1"]
[White "Mertens, Fridolin"]
[Black "Goergens, Michael"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2129"]
[BlackElo "2055"]
[PlyCount "57"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. c4 e5 3. Nf3 d6 4. d4 Bg4 5. Be2 Nd7 6. Nc3 Ngf6 7. Be3 Be7 8. h3 Bh5 9. 0-0 0-0 10. Nd2 Bxe2 11. Qxe2 Qb6 12. dxe5 Qxb2 13. exf6 Bxf6 14. e5 Bxe5 15. Nce4 f5 16. Rab1 Qxa2 17. Rxb7 fxe4 18. Rxd7 a5 19. Qg4 Kh8 20. Qxe4 a4 21. Nf3 Rxf3 22. gxf3 Qb2 23. Qxc6 Rf8 24. Rf7 Rb8 25. Qxa4 h6 26. Qc6 Qc3 27. Qe4 Kg8 28. Ra7 Rf8 29. Ra8 1-0

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.10"]
[Round "2.1"]
[White "Mertens, Fridolin"]
[Black "Paul, Johannes"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2129"]
[BlackElo "2310"]
[PlyCount "82"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 d6 8. a4 Nbd7 9. Be3 b6 10. f4 Bb7 11. Qe2 Be7 12. Rae1 Nc5 13. Bf2 Nxd3 14. cxd3 0-0 15. g4 Rfe8 16. g5 Nd7 17. Qh5 g6 18. Qh4 e5 19. f5 exd4 20. Bxd4 Ne5 21. Re3 Qd8 22. f6 Bf8 23. Rh3 h5 24. Qg3 Bc8 25. Rh4 Be6 26. Ne2 Rc8 27. Nf4 Bg4 28. h3 Nf3+ 29. Rxf3 Bxf3 30. Qxf3 Re5 31. Bxe5 dxe5 32. Nd5 Qd6 33. Rxh5 Rc1+ 34. Kh2 Qc5 35. Kg3 Qg1+ 36. Kh4 Qe1+ 37. Kg4 Qg1+ 38. Kh4 Qe1+ 39. Kg4 gxh5+ 40. Kxh5 Qd1 41. Ne7+ Kh8 0-1

[Event "Sachsen-Anhalt-ch 28th"]
[Site "Magdeburg"]
[Date "2018.05.10"]
[Round "1.1"]
[White "Stein, Robert"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2235"]
[BlackElo "2129"]
[PlyCount "142"]
[EventDate "2018.05.10"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. cxd5 exd5 9. 0-0 0-0 10. Nc3 Bb7 11. Bf4 Nh5 12. Be3 Nd7 13. Qd3 c6 14. Rac1 Bd6 15. Ng5 Nhf6 16. Bf4 Qe7 17. Bxd6 Qxd6 18. e4 dxe4 19. Ncxe4 Nxe4 20. Nxe4 Qg6 21. f4 Nf6 22. Rfe1 Rad8 23. Rcd1 Bc8 24. Nxf6+ Qxf6 25. Qe4 Be6 26. Qe5 Qxe5 27. dxe5 c5 28. Be4 Bg4 29. Rd6 Rfe8 30. Kf2 Kf8 31. Rxd8 Rxd8 32. Ke3 Ke7 33. Bd3 h6 34. Rh1 Bh3 35. Rd1 Bf5 36. Rd2 Bxd3 37. Rxd3 Rc8 38. Ke4 c4 39. Rd1 cxb3 40. axb3 Rc2 41. h3 Re2+ 42. Kd4 Rh2 43. h4 Rc2 44. Rd3 Ke6 45. Ke4 Re2+ 46. Kf3 Rc2 47. Kg4 Rc6 48. h5 f6 49. exf6 Kxf6 50. Rd7 Rc3 51. b4 Rc4 52. b5 Rc5 53. Rxa7 Rxb5 54. Rc7 Rc5 55. Rb7 b5 56. Kh4 Rd5 57. g4 Rd4 58. Kg3 Rd3+ 59. Kf2 Rb3 60. Rb6+ Kf7 61. g5 hxg5 62. fxg5 Rh3 63. g6+ Ke7 64. Rxb5 Kf6 65. Kg2 Rc3 66. Rb8 Kg5 67. Rh8 Rc4 68. Rh7 Rh4 69. Rxg7 Rxh5 70. Rh7 Kxg6 71. Rxh5 Kxh5 1/2-1/2

[Event "Oberliga Ost-A 1718"]
[Site "Germany"]
[Date "2018.04.15"]
[Round "11.7"]
[White "Mertens, Fridolin"]
[Black "Boehm, Robert"]
[Result "1/2-1/2"]
[ECO "B63"]
[WhiteElo "2137"]
[BlackElo "2148"]
[PlyCount "93"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Hoyerswerda"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bxf6 gxf6 11. Be2 Nxd4 12. Qxd4 Be7 13. Bh5 Qa5 14. e5 fxe5 15. fxe5 Bg5+ 16. Kb1 Qxe5 17. Qxe5 dxe5 18. Bxf7+ Ke7 19. Bg6 Rad8 20. Be4 Bc8 21. Bf3 Rxd1+ 22. Rxd1 Be3 23. Ne4 Rd8 24. Rxd8 Kxd8 25. Nd6 Kc7 26. Nf7 b6 27. Nxe5 Bf4 28. Nf7 Bxh2 29. Nxh6 Bf4 30. Ng4 Kd6 31. Nf2 Be3 32. Nd3 a5 33. c4 Ba6 34. b3 b5 35. cxb5 Bxb5 36. Kc2 a4 37. bxa4 Bxa4+ 38. Kc3 Be8 39. Be4 e5 40. Nb4 Kc5 41. Nc2 Bc1 42. Ne1 Be3 43. Nf3 Bf7 44. a3 Bf4 45. g4 Bd5 46. Bxd5 Kxd5 47. Nxe5 1/2-1/2

[Event "Oberliga Ost-A 1718"]
[Site "Germany"]
[Date "2018.04.14"]
[Round "10.7"]
[White "Poenisch, Eckehard"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2138"]
[BlackElo "2137"]
[PlyCount "37"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Coswig TuS"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nf3 b6 6. Nbd2 Bb7 7. Bd3 cxd4 8. exd4 Be7 9. h3 a6 10. a4 0-0 11. 0-0 d6 12. Qe2 Re8 13. Rfe1 h6 14. Ne4 Nd5 15. Bh2 Bf8 16. Rad1 f5 17. Ned2 Qf6 18. Bc4 Nc7 19. Qe3 1/2-1/2

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2018.03.18"]
[Round "7.1"]
[White "Mertens, Fridolin"]
[Black "Bundrock, Thomas"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2137"]
[BlackElo "2180"]
[PlyCount "49"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz II"]
[BlackTeam "Magdeburg USC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. c4 Nb6 6. Nc3 Bg7 7. c5 N6d7 8. Bf4 c6 9. Qd2 0-0 10. Bh6 Nf6 11. h4 Bxh6 12. Qxh6 Bg4 13. 0-0-0 Nbd7 14. h5 Re8 15. hxg6 fxg6 16. Ng5 Nf8 17. Bc4+ e6 18. f3 Qc7 19. fxg4 Nxg4 20. Qh4 Ne3 21. Nce4 Nxc4 22. Nf6+ Kg7 23. Nxe8+ Rxe8 24. Rdf1 Kg8 25. Ne4 1-0

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2018.02.25"]
[Round "6.1"]
[White "Liebert, Heinz"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2178"]
[BlackElo "2137"]
[PlyCount "74"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Halle USV II"]
[BlackTeam "Loeberitz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Be7 5. Bg2 0-0 6. d4 exd4 7. Nxd4 Bb4 8. Nxc6 Bxc3+ 9. bxc3 bxc6 10. 0-0 Re8 11. Re1 Ne4 12. f3 Nf6 13. e4 Qe7 14. e5 h6 15. Bxh6 Nh7 16. Bf4 Ba6 17. Qd4 Nf8 18. Bf1 Ne6 19. Qf2 Qa3 20. Rad1 Qxc3 21. Rxd7 Nxf4 22. gxf4 Bxc4 23. Rxc7 Bd5 24. Re3 Qd4 25. Ra3 Qxf4 26. Rcxa7 Rxa7 27. Rxa7 Rxe5 28. Ra8+ Kh7 29. Ra3 Rg5+ 30. Kh1 Rf5 31. Bd3 Bxf3+ 32. Kg1 Qg5+ 33. Qg3 Qc1+ 34. Kf2 Be4+ 35. Ke2 Qf1+ 36. Kd2 Rf2+ 37. Kc3 Qxd3+ 0-1

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2018.02.04"]
[Round "5.1"]
[White "Mertens, Fridolin"]
[Black "Praczyk, Karl"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2137"]
[BlackElo "2031"]
[PlyCount "81"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz II"]
[BlackTeam "Coethen Germania"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Ne2 d5 3. e5 c5 4. d4 Nc6 5. c3 e6 6. Nd2 cxd4 7. cxd4 Qb6 8. Nf3 Bb4+ 9. Bd2 Nge7 10. a3 Bxd2+ 11. Qxd2 Na5 12. Qb4 Nb3 13. Qxb6 axb6 14. Rd1 Bd7 15. Nc3 0-0 16. Bd3 Na5 17. Nd2 Rfc8 18. 0-0 g6 19. g4 Kg7 20. f4 Nc4 21. Bxc4 dxc4 22. Nde4 Nd5 23. Nxd5 exd5 24. Nf6 Bc6 25. Rf3 h6 26. Rdf1 Ra4 27. g5 hxg5 28. fxg5 c3 29. bxc3 Rxa3 30. Nd7 Bxd7 31. Rxf7+ Kg8 32. Rxd7 Rf8 33. Rf6 Rxc3 34. e6 Ra8 35. Rxd5 Ra1+ 36. Kg2 Ra2+ 37. Rf2 Rxf2+ 38. Kxf2 Kf8 39. Rd7 Ke8 40. d5 b5 41. Rxb7 1-0

[Event "Oberliga Ost-A 1718"]
[Site "Germany"]
[Date "2018.02.03"]
[Round "6.8"]
[White "Packroff, Hermann"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2183"]
[BlackElo "2137"]
[PlyCount "79"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Naumburg"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. Bd3 b6 5. Qe2 Nc6 6. c3 Bb7 7. 0-0 Be7 8. Nbd2 cxd4 9. exd4 0-0 10. Ne4 Na5 11. Nxf6+ Bxf6 12. Be4 Bxe4 13. Qxe4 d5 14. Qe2 Nc4 15. Bf4 Rc8 16. Ne5 b5 17. a4 Bxe5 18. Bxe5 Qb6 19. axb5 Qxb5 20. Rfb1 Qb6 21. Bf4 Rc6 22. h4 a5 23. h5 h6 24. b3 Nd6 25. Bxd6 Rxd6 26. Qb2 Rc6 27. Rc1 Rb8 28. Rab1 Qc7 29. Rc2 Rcb6 30. Qa2 Rb5 31. g3 Qe7 32. Re1 Qd8 33. Rb2 Qg5 34. Qb1 Qxh5 35. Qc2 Qg5 36. Re5 Qd8 37. c4 dxc4 38. Rxb5 Rxb5 39. bxc4 Rh5 40. Qb1 1-0

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2018.01.21"]
[Round "4.1"]
[White "Schellmann, Frank"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2018"]
[BlackElo "2137"]
[PlyCount "146"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Halle Einheit"]
[BlackTeam "Loeberitz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Re1 Nh6 7. c3 0-0 8. d4 cxd4 9. cxd4 d6 10. h3 f6 11. Nc3 Nf7 12. b3 Bd7 13. Bb2 Rc8 14. Qe2 Re8 15. Rad1 Qc7 16. Qd3 Qb7 17. Rd2 c5 18. dxc5 Rxc5 19. Nd5 Bb5 20. Qb1 Rec8 21. Nd4 Ng5 22. Nxb5 Rxb5 23. Qd3 Rbc5 24. f4 Nf7 25. Bd4 R5c6 26. Ne3 Bh6 27. Rf2 e5 28. fxe5 dxe5 29. Bb2 Qb4 30. Ref1 Bxe3 31. Qxe3 Qe7 32. Rd1 Kg7 33. Rfd2 R8c7 34. Kh1 Rc2 35. Qd3 Rxd2 36. Rxd2 Qb4 37. a3 Qb7 38. Rf2 Ng5 39. Re2 Ne6 40. Qd5 Qxd5 41. exd5 Nf4 42. Rxe5 Rc2 43. Re4 Nh5 44. Re7+ Kf8 45. Bxf6 Nxf6 46. Rxa7 Rc3 47. b4 Nxd5 48. b5 h5 49. a4 Rb3 50. Rd7 Nc3 51. Rd4 Kf7 52. Kh2 Rb2 53. Rc4 Nd5 54. Kg3 g5 55. Rc5 Nf6 56. Kf3 Rb3+ 57. Ke2 Ne4 58. Rc7+ Ke6 59. h4 gxh4 60. Rh7 Rb2+ 61. Ke3 Nf6 62. Rg7 Rb4 63. Ra7 Kf5 64. Kd3 Rb2 65. Ra5 Kf4 66. Kc3 Rxg2 67. b6 Rg7 68. Rb5 Ne4+ 69. Kc2 Nd6 70. Rb4+ Kg3 71. Rb3+ Kg2 72. a5 h3 73. b7 Nxb7 0-1

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2017.12.10"]
[Round "3.1"]
[White "Mertens, Fridolin"]
[Black "Biastoch, Bennet"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2137"]
[BlackElo "2120"]
[PlyCount "84"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz II"]
[BlackTeam "Magdeburg Aufbau Elbe II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Bd3 e6 7. 0-0 Be7 8. Nc3 a6 9. Be3 Qc7 10. f4 d6 11. Kh1 b5 12. Qf3 Bb7 13. Qh3 h5 14. Rae1 e5 15. Nd5 Nxd5 16. exd5 Nd8 17. Qg3 Bf6 18. Bd4 h4 19. Qf3 Ne6 20. fxe5 dxe5 21. Bxe5 Bxe5 22. Rxe5 0-0-0 23. Rf5 h3 24. Be4 hxg2+ 25. Qxg2 Rh4 26. Rxf7 Qe5 27. Rxb7 Rdh8 28. Kg1 Rg4 29. Rf8+ Kxb7 30. dxe6+ Qxe4 31. Nc5+ Kc6 32. Nxe4 Rxg2+ 33. Kxg2 Rxf8 34. Kg3 Kd5 35. Ng5 Kd6 36. Kg4 g6 37. h4 Rc8 38. c3 Rc4+ 39. Kg3 a5 40. Nf3 b4 41. e7 Kxe7 42. Ne5 bxc3 0-1

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2017.11.12"]
[Round "2.1"]
[White "Hoffmann, Lennard"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2005"]
[BlackElo "2137"]
[PlyCount "81"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Merseburg"]
[BlackTeam "Loeberitz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 0-0-0 12. Qg3 b4 13. Nb1 e5 14. Nf5 Nc5 15. Nd2 Kb8 16. Kb1 Rc8 17. fxe5 dxe5 18. Rc1 Nh5 19. Qf3 g6 20. Ne3 f5 21. Nxf5 h6 22. Be3 gxf5 23. Bxc5 Bxc5 24. Qxh5 f4 25. Nc4 Rce8 26. Rf1 Bc8 27. c3 bxc3 28. Rxc3 Bd4 29. Rb3+ Ka7 30. Rc1 Re6 31. Na5 Qd7 32. Bc4 Rb6 33. Bd5 Rxb3 34. axb3 Kb6 35. Nc4+ Ka7 36. Nxe5 Qg7 37. Nc6+ Kb6 38. Nxd4 Qxd4 39. Rc6+ Ka5 40. Be6+ Kb4 41. Rc4+ 1-0

[Event "Sachsen-Anhalt Verbandsliga 2017/18"]
[Site "Sachsen Anhalt"]
[Date "2017.10.22"]
[Round "1.1"]
[White "Mertens, Fridolin"]
[Black "Weber, Benedikt"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2137"]
[BlackElo "2060"]
[PlyCount "52"]
[EventDate "2017.12.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz II"]
[BlackTeam "Reideburg 90 Halle"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 0-0 7. Nbd2 Re8 8. h3 d6 9. g4 Be6 10. Bc2 d5 11. Qe2 b5 12. Rg1 d4 13. Nb3 Bf8 14. Nxe5 Nxe5 15. Nxd4 c5 16. Nxe6 Rxe6 17. f4 Nxd3+ 18. Bxd3 c4 19. Bc2 Nxe4 20. Bxe4 Qh4+ 21. Kd1 Rae8 22. Bxh7+ Qxh7 23. Qf3 Bc5 24. Rh1 Rd8+ 25. Bd2 Re3 26. Qc6 Red3 0-1

[Event "Staufer op 29th"]
[Site "Schwaebisch Gmuend"]
[Date "2017.01.02"]
[Round "2"]
[White "Bogdanov, Egor"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2379"]
[BlackElo "2147"]
[PlyCount "95"]
[EventDate "2017.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Bd3 Nf6 7. 0-0 cxd4 8. cxd4 Be7 9. Nc3 Qd8 10. Bg5 0-0 11. Rc1 Nd5 12. Bxe7 Ncxe7 13. Ne5 Ng6 14. Nxg6 hxg6 15. Be4 Nf6 16. Bf3 Rb8 17. Re1 b5 18. Qd3 Qb6 19. Re5 a6 20. Ne4 Nxe4 21. Bxe4 Bb7 22. Rec5 Rfd8 23. b4 Qd6 24. Rd1 Qf4 25. Bxb7 Rxb7 26. g3 Qb8 27. Qe4 Rbd7 28. Kg2 Rd5 29. a3 Qd6 30. Rxd5 Qxd5 31. Qxd5 Rxd5 32. Kf3 Kf8 33. Ke4 Ke7 34. Rc1 Kd7 35. Rc5 Rd6 36. h4 Rb6 37. f4 Rb8 38. Rg5 Rh8 39. d5 Rh5 40. Rxh5 gxh5 41. Ke5 Ke7 42. Kd4 Kd6 43. dxe6 Kxe6 44. Kc5 Kf5 45. Kb6 Kg4 46. Kxa6 Kxg3 47. Kxb5 Kxh4 48. a4 1-0

[Event "Oberliga Ost-A 1617"]
[Site "Germany"]
[Date "2016.10.16"]
[Round "1.8"]
[White "Hentzgen, Thomas"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2061"]
[BlackElo "2151"]
[PlyCount "58"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Halle USV"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 d6 5. Nc3 Be7 6. e4 0-0 7. Nge2 Re8 8. 0-0 Nbd7 9. d5 cxd5 10. cxd5 a5 11. h3 Nc5 12. Be3 b6 13. a3 Bd7 14. b4 Na6 15. Qb3 Rb8 16. Rfc1 b5 17. Nd1 a4 18. Qd3 h6 19. Ra2 Nh7 20. g4 Bg5 21. Ng3 g6 22. Qd2 Qf6 23. Bxg5 hxg5 24. Qe3 Qf4 25. Rac2 Qxe3 26. Nxe3 Rec8 27. Bf1 Rxc2 28. Rxc2 Rb7 29. Bd3 Rc7 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2016.04.10"]
[Round "11.5"]
[White "Mertens, Fridolin"]
[Black "Pietzsch, Manuel"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2132"]
[BlackElo "2123"]
[PlyCount "122"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Leipzig SG II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Bg5 Nc6 8. Nb3 Bd7 9. 0-0 a6 10. a4 Na5 11. Nxa5 Qxa5 12. f4 Qb6+ 13. Kh1 Qxb2 14. Bxf6 Bxf6 15. e5 Qxc3 16. Rf3 Qc5 17. exf6 exf6 18. Raa3 0-0 19. Rac3 Qa5 20. Qxd6 Rfe8 21. Bf1 Bc6 22. Rfe3 Qb6 23. Qd2 Qb1 24. Kg1 Rad8 25. Qf2 Bxa4 26. f5 Rxe3 27. Qxe3 Bb5 28. Qf2 Rd1 29. Rc8+ Kg7 30. c4 Bc6 31. fxg6 hxg6 32. h4 Qe4 33. h5 Qd4 34. Rc7 Rxf1+ 35. Kxf1 Qd1+ 36. Qe1 Bxg2+ 37. Kf2 Qxe1+ 38. Kxe1 gxh5 39. Kf2 Bc6 40. Re7 Kg6 41. Kg3 f5 42. Kf4 Kf6 43. Re5 Be4 44. Re8 h4 45. Rh8 Ke6 46. Ke3 Ke5 47. Rxh4 f6 48. Rh5 a5 49. Rh8 f4+ 50. Kd2 Bc6 51. Kd3 f3 52. Ke3 a4 53. Rd8 f5 54. Rd2 f4+ 55. Kf2 Ke4 56. Rd1 a3 57. Rd2 a2 58. Rxa2 Kd4 59. Rc2 Be4 60. Rc1 b6 61. Re1 Bc6 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2016.04.09"]
[Round "10.5"]
[White "Hentzgen, Thomas"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2047"]
[BlackElo "2132"]
[PlyCount "98"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Halle Volksbank"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Nf3 Nc6 5. Bg2 0-0 6. 0-0 Bxc3 7. bxc3 d6 8. Rb1 Rb8 9. d3 h6 10. Ne1 Be6 11. e4 Qd7 12. f4 Bh3 13. fxe5 dxe5 14. Bxh6 Nxe4 15. Bxg7 Bxg2 16. Nxg2 Kxg7 17. dxe4 Qxd1 18. Rfxd1 Rbd8 19. Ne3 b6 20. Kf2 Na5 21. Ke2 Nb7 22. Rd5 Rxd5 23. cxd5 Nc5 24. Kf3 f6 25. Rd1 Rd8 26. h4 Kg6 27. Nf5 Nb7 28. Rh1 Nd6 29. Ne7+ Kh6 30. Nc6 Rg8 31. g4 Re8 32. Rh2 a5 33. Rg2 Kg6 34. Ke3 Rh8 35. Rh2 Kf7 36. Kf3 Nc4 37. h5 Re8 38. Re2 Kg7 39. Kg3 Nd6 40. Kh4 Nf7 41. Kg3 Nd6 42. Kf3 Kh6 43. a4 Kg5 44. Rc2 Nb7 45. Ra2 Nd6 46. Rc2 Nb7 47. Ra2 Nd6 48. Na7 Ra8 49. Nc6 Re8 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2016.03.13"]
[Round "9.3"]
[White "Haessler, Wolfgang"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2247"]
[BlackElo "2132"]
[PlyCount "21"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Aue Nickelhuette II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Bf4 Nf6 3. e3 d5 4. Nd2 Be7 5. Bd3 b6 6. c3 Bb7 7. Qb1 Ba6 8. Bxa6 Nxa6 9. Ngf3 c5 10. Ne5 Rc8 11. a4 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2016.02.21"]
[Round "8.3"]
[White "Mertens, Fridolin"]
[Black "Kesik, Klaus Dieter"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2132"]
[BlackElo "2181"]
[PlyCount "90"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Hoyerswerda"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bb3 Nc6 6. exd6 exd6 7. Nf3 Be7 8. h3 Na5 9. 0-0 0-0 10. d5 Bf6 11. c3 Nxb3 12. axb3 Re8 13. Be3 Bf5 14. Nd4 Bxb1 15. Rxb1 Nxd5 16. Nf5 Nxe3 17. Nxe3 g6 18. Qf3 c6 19. Rfd1 d5 20. b4 a6 21. c4 d4 22. Nc2 Bg7 23. Rd3 Re7 24. Rbd1 Rd7 25. Qe4 Qe8 26. Qxe8+ Rxe8 27. Kf1 b6 28. c5 b5 29. Ra1 Ra8 30. Ke2 Kf8 31. Ra2 Ke8 32. Rda3 Kd8 33. Kd2 Rda7 34. Rd3 a5 35. Nxd4 Kc7 36. Rxa5 Rxa5 37. bxa5 Rxa5 38. b4 Bh6+ 39. Ke2 Ra2+ 40. Kf3 Bd2 41. Rb3 Be1 42. Ne2 Ra4 43. Re3 Bxb4 44. Re7+ Kc8 45. Nd4 Bxc5 0-1

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2016.01.17"]
[Round "7.5"]
[White "Kahe, Ralph"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "2158"]
[BlackElo "2132"]
[PlyCount "60"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg Rochade"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 Nf6 3. g3 Be7 4. Bg2 0-0 5. 0-0 d5 6. Nbd2 Nbd7 7. c4 c6 8. Qc2 b6 9. cxd5 cxd5 10. Nb1 Bb7 11. Nc3 Rc8 12. Qb3 Ne4 13. Bd2 Nxd2 14. Nxd2 Nf6 15. Rfd1 Qd6 16. a3 Rfd8 17. e3 Qb8 18. Rac1 Ba6 19. Na2 Rd7 20. Qa4 Bd3 21. Bf1 Bxf1 22. Kxf1 Rdc7 23. Rc3 b5 24. Qa6 Rxc3 25. bxc3 Rc7 26. Rb1 Qc8 27. Qxc8+ Rxc8 28. Rxb5 Bxa3 29. Ra5 Bb2 30. Rxa7 h6 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2016.01.16"]
[Round "6.5"]
[White "Mertens, Fridolin"]
[Black "Selle, Thomas"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2132"]
[BlackElo "2067"]
[PlyCount "147"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Dessau"]
[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 Be6 9. 0-0 Nbd7 10. Kh1 Nc5 11. Nxc5 dxc5 12. Qxd8+ Rxd8 13. Rad1 0-0 14. a4 h6 15. f3 c4 16. Bb6 Rc8 17. a5 Bb4 18. Nd5 Bxd5 19. exd5 Bc5 20. f4 e4 21. Bxc5 Rxc5 22. Rd4 Rxd5 23. Rfd1 Rfd8 24. Rxd5 Rxd5 25. Rxd5 Nxd5 26. Bxc4 Ne3 27. Bb3 Kf8 28. Kg1 Ke7 29. Kf2 Nd1+ 30. Ke2 Nxb2 31. g4 g6 32. g5 hxg5 33. fxg5 f5 34. gxf6+ Kxf6 35. Bd5 Ke5 36. Bxb7 Na4 37. Bxa6 Kd4 38. Bb7 Nc3+ 39. Ke1 g5 40. a6 Nb5 41. Bc6 Na7 42. Bd7 Ke3 43. h3 Kf4 44. Ke2 e3 45. c4 Ke4 46. c5 Kd4 47. c6 Nb5 48. Be8 Ke4 49. Bg6+ Kf4 50. Kd3 e2 51. Kxe2 Nd4+ 52. Kd3 Nxc6 53. Kc4 Ne5+ 54. Kc5 Nxg6 55. a7 Kg3 56. a8Q Nf4 57. Kd4 Nxh3 58. Ke3 g4 59. Qb8+ Kg2 60. Qb2+ Kg3 61. Qe2 Kh4 62. Qe1+ Kg5 63. Qg3 Kf5 64. Kd4 Nf4 65. Qf2 g3 66. Qc2+ Kg4 67. Qd1+ Kh3 68. Ke4 Ng6 69. Qh1+ Kg4 70. Qf3+ Kh4 71. Qf6+ Kh5 72. Qf5+ Kh6 73. Qh3+ Kg7 74. Qxg3 1-0

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2015.12.13"]
[Round "5.3"]
[White "Mertens, Fridolin"]
[Black "Schaller, Sven"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2132"]
[BlackElo "2293"]
[PlyCount "54"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Plauen Koenig"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Be3 0-0 10. Kh1 Nbd7 11. f4 exf4 12. Bxf4 Nc5 13. Bf3 Nxb3 14. axb3 Qc7 15. Rf2 Rfd8 16. Rd2 Rac8 17. Ra4 Ne8 18. Ne2 Bf6 19. Nd4 Bd7 20. Rc4 Qb6 21. Rxc8 Bxc8 22. c3 g6 23. Be2 Qc7 24. Nf3 Qe7 25. e5 dxe5 26. Rxd8 Qxd8 27. Qxd8 Bxd8 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2015.11.15"]
[Round "4.3"]
[White "Gungl, Theo"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2131"]
[BlackElo "2132"]
[PlyCount "72"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Dresden TU II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Nf6 7. 0-0 Be7 8. dxc5 0-0 9. Nb3 Bg4 10. Be3 Rc8 11. Be2 Ne4 12. c3 Qd7 13. Qc2 Rfd8 14. Rad1 Qc7 15. Qc1 Ne5 16. Bf4 Bxf3 17. Bxf3 Bf6 18. Rfe1 Qc6 19. Bxe5 Bxe5 20. Bg4 Qf6 21. Qe3 Bf4 22. Qe2 Rb8 23. g3 Bc7 24. Bf3 Ng5 25. Bxd5 Nh3+ 26. Kg2 Qh6 27. Bxf7+ Kxf7 28. Qe7+ Kg8 29. Qxc7 Rf8 30. Re2 Qh5 31. Rde1 Nf4+ 32. gxf4 Qg4+ 33. Kh1 Qf3+ 34. Kg1 Qg4+ 35. Kf1 Qh3+ 36. Kg1 Qg4+ 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2015.10.11"]
[Round "3.5"]
[White "Nake, Matthias"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2190"]
[BlackElo "2132"]
[PlyCount "37"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Dresden Gruen Weiss"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Ne2 e6 6. 0-0 Nge7 7. Nbc3 d6 8. Rb1 0-0 9. a3 a5 10. d3 Nd4 11. Nxd4 cxd4 12. Ne2 a4 13. b4 axb3 14. Qxb3 Nc6 15. Bd2 e5 16. f4 f5 17. Ra1 Kh8 18. Rfb1 Qc7 19. Nc1 1/2-1/2

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2015.10.10"]
[Round "2.5"]
[White "Mertens, Fridolin"]
[Black "Braeuer, Felix"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2132"]
[BlackElo "2183"]
[PlyCount "57"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Bannewitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. c3 0-0 9. Re1 Bb7 10. Nbd2 Na5 11. Bc2 c5 12. Nf1 Re8 13. Ng3 Bf8 14. d4 cxd4 15. cxd4 Qc7 16. Bd3 Nc6 17. Bg5 Nd7 18. Rc1 Qb6 19. d5 Nb4 20. Bb1 a5 21. Nh4 Nc5 22. Nh5 Bc8 23. a3 Nba6 24. Qf3 Ra7 25. Qg3 Kh8 26. Nf6 Rd8 27. Nf5 Bxf5 28. exf5 Be7 29. Nxh7 1-0

[Event "Oberliga Ost-A 1516"]
[Site "Germany"]
[Date "2015.09.20"]
[Round "1.4"]
[White "Engelmann, Jakob"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2256"]
[BlackElo "2132"]
[PlyCount "85"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Sangerhausen"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 d6 5. Bg2 Be7 6. d5 Qc7 7. e4 a6 8. a4 a5 9. h3 Na6 10. Nf3 0-0 11. 0-0 h6 12. Be3 Nh7 13. Nd2 Bg5 14. f4 exf4 15. gxf4 Bf6 16. Rc1 Bxc3 17. Rxc3 f5 18. exf5 c5 19. Nf3 Bxf5 20. Nh4 Qd7 21. Bd2 Nb4 22. Nxf5 Qxf5 23. Re3 Rae8 24. Qe2 Nf6 25. Re6 Kf7 26. Re1 Nd3 27. Be4 Qxe4 28. Rxe4 Nxe1 29. Re6 Nc2 30. Bc3 Nd4 31. Bxd4 cxd4 32. f5 b6 33. Qd3 Nd7 34. Qxd4 Nc5 35. Rxd6 Re1+ 36. Kg2 Rfe8 37. Rxb6 R8e2+ 38. Kf3 Re5 39. Qxc5 Rxf5+ 40. Kg4 Ref1 41. Qe3 Rg5+ 42. Kh4 Rgf5 43. Qe6+ 1-0

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2015.04.12"]
[Round "11.4"]
[White "Mertens, Fridolin"]
[Black "Kulke, Tobias"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2098"]
[BlackElo "2122"]
[PlyCount "64"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Chemnitz USG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 f5 2. Nc3 Nf6 3. g3 e5 4. Bg2 Be7 5. d3 c6 6. e4 d6 7. Nge2 0-0 8. 0-0 Be6 9. exf5 Bxf5 10. d4 Nbd7 11. h3 Bg6 12. b3 Qc7 13. dxe5 dxe5 14. Be3 Rad8 15. Qe1 Nc5 16. Nc1 Nd3 17. Qe2 Ba3 18. Rd1 Bb2 19. Rb1 Nxc1 20. Qxb2 Rxd1+ 21. Nxd1 Bxb1 22. Qxb1 Ne2+ 23. Kh2 Rd8 24. Qc2 Nd4 25. Qc1 Qd7 26. Nc3 Qf5 27. Qa3 Qd3 28. Na4 Qd1 29. Qe7 Re8 30. Qxb7 Ne2 31. h4 Ng4+ 32. Kh3 Ng1# 0-1

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2015.04.11"]
[Round "10.4"]
[White "Beyer, Till"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2048"]
[BlackElo "2098"]
[PlyCount "39"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Leipzig SG II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 Nf6 4. Nf3 b6 5. g3 Bb7 6. Bg2 Bxc3+ 7. bxc3 d6 8. 0-0 Nbd7 9. Re1 0-0 10. Bg5 h6 11. Bxf6 Nxf6 12. Nd2 Bxg2 13. Kxg2 Qe7 14. e4 c5 15. f3 Nd7 16. Nf1 g6 17. Ne3 Nf6 18. Qd2 Kg7 19. h4 h5 20. Rad1 1/2-1/2

[Event "GER CupT sf3"]
[Site "Berlin Pankow"]
[Date "2015.03.22"]
[Round "4.3"]
[White "Mertens, Fridolin"]
[Black "Steinhagen, Bernd"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2115"]
[BlackElo "2296"]
[PlyCount "44"]
[EventDate "2015.03.21"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Pankow Rotation"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 d5 3. cxd5 exd5 4. g3 Nf6 5. Bg2 Bd6 6. b3 0-0 7. Bb2 Re8 8. 0-0 h6 9. Nc3 c6 10. d3 Bf5 11. Qc2 Qd7 12. Nd1 Ng4 13. Nd4 Bh7 14. h3 Nf6 15. Ne3 Bxg3 16. fxg3 Rxe3 17. Rf3 Qe7 18. Raf1 Nbd7 19. Bc1 Rxf3 20. Rxf3 Re8 21. Kf1 Ne5 22. Rf2 Nxd3 0-1

[Event "GER CupT sf3"]
[Site "Berlin Pankow"]
[Date "2015.03.21"]
[Round "3.4"]
[White "Mertens, Fridolin"]
[Black "Geiling, Christian"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2115"]
[BlackElo "2182"]
[PlyCount "75"]
[EventDate "2015.03.21"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Leipzig VfB"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 0-0 6. 0-0 Nc6 7. Rb1 e5 8. d3 Bg4 9. b4 Qd7 10. Re1 Bh3 11. Bh1 h6 12. b5 Nd8 13. Qc2 Nh5 14. Nd5 f5 15. c5 c6 16. bxc6 bxc6 17. Nb4 d5 18. e4 fxe4 19. dxe4 d4 20. Nd3 Nf7 21. Bd2 g5 22. Rb2 Nf4 23. Bxf4 gxf4 24. Reb1 Qg4 25. Qc4 Qh5 26. Nh4 Rae8 27. Qa4 fxg3 28. hxg3 Ng5 29. Qxc6 Be6 30. Bg2 Bc4 31. Qa4 Qf7 32. Rb7 Qe6 33. Qxa7 Bf6 34. R1b6 Qg4 35. Nb2 Be2 36. Nf5 Qh5 37. Rg7+ Kh8 38. Rxf6 1-0

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2015.03.15"]
[Round "9.4"]
[White "Mertens, Fridolin"]
[Black "Hovsepyan, Vardan"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2098"]
[BlackElo "2072"]
[PlyCount "105"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Hoyerswerda"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 0-0 7. Re1 Bb6 8. h3 Ne7 9. Nbd2 c6 10. Ba4 Ng6 11. Nf1 Nh5 12. d4 Qe7 13. Nxe5 dxe5 14. Qxh5 exd4 15. Qg5 f6 16. Bb3+ Be6 17. Qf5 Bxb3 18. axb3 Ne5 19. Rd1 Rad8 20. cxd4 Bxd4 21. Be3 Bxe3 22. Nxe3 a6 23. Nc4 Rfe8 24. Nxe5 Qxe5 25. Qxe5 fxe5 26. Kf1 Kf7 27. Ke2 Ke6 28. h4 h5 29. g3 g6 30. b4 Rd6 31. Rxd6+ Kxd6 32. Rd1+ Kc7 33. Ke3 b6 34. f4 a5 35. bxa5 bxa5 36. fxe5 Rxe5 37. Kf4 Re8 38. Rd2 Re7 39. e5 Rf7+ 40. Ke4 Rf1 41. Rd3 a4 42. Ra3 Rf2 43. Rxa4 Rxb2 44. Ra7+ Kb6 45. Rg7 Rb4+ 46. Kf3 Rb3+ 47. Kf4 Rb4+ 48. Kg5 Re4 49. Kf6 c5 50. e6 Kc6 51. Rg8 g5 52. e7 gxh4 53. gxh4 1-0

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2015.02.22"]
[Round "8.4"]
[White "Klawa, Patrick"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2204"]
[BlackElo "2098"]
[PlyCount "123"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Coswig"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 c5 6. Bg2 0-0 7. 0-0 Nc6 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 Qc7 12. Bf4 b4 13. Ne3 Ba6 14. Ng5 Bxg5 15. hxg5 Ndxe5 16. Qh5 f6 17. gxf6 gxf6 18. Ng4 Qg7 19. Bh6 Qxg4 20. Qxg4+ Nxg4 21. Bxf8 Kxf8 22. Rxe6 Nd4 23. Bxd5 Nxe6 24. Bxa8 Nd4 25. Be4 f5 26. Bd5 Nxc2 27. Rc1 Bxd3 28. Bb3 Nd4 29. Rxc5 Nf3+ 30. Kg2 Be4 31. Bd1 Nge5 32. Rxa5 Nd2+ 33. Kh3 Nd3 34. Be2 Nxf2+ 35. Kh4 Nd3 36. Kg5 Nc4 37. Ra7 Ncxb2 38. Bh5 Ne5 39. Kf6 Ng4+ 40. Ke6 Nd3 41. Rc7 Nde5 42. Bxg4 Nxg4 43. Rc8+ Kg7 44. Rb8 Ne3 45. Rxb4 Bd5+ 46. Ke5 Bxa2 47. Rd4 Bb1 48. Rb4 Be4 49. Rb3 Ng4+ 50. Kf4 Nf6 51. Ra3 Nd5+ 52. Ke5 h5 53. Ra6 Nb4 54. Rb6 Nd3+ 55. Kd4 Ne1 56. Ke3 Nf3 57. Kf4 h4 58. gxh4 Nxh4 59. Rb4 Ng6+ 60. Kg5 Ne7 61. Rxe4 fxe4 62. Kf4 1/2-1/2

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2015.01.18"]
[Round "7.3"]
[White "Mertens, Fridolin"]
[Black "Schoene, Maria"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2098"]
[BlackElo "2261"]
[PlyCount "38"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Magdeburg Aufbau Elbe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. h3 c6 7. a4 Nbd7 8. 0-0 Qc7 9. Be3 e5 10. Re1 Re8 11. Bf1 b6 12. d5 cxd5 13. exd5 a6 14. Nd2 Bb7 15. Nc4 Rac8 16. Qd2 Ba8 17. f4 exf4 18. Bxf4 Bf8 19. Rad1 Bb7 1/2-1/2

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2015.01.17"]
[Round "6.4"]
[White "Mertens, Fridolin"]
[Black "Pesztericz, Laszlo"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2098"]
[BlackElo "2098"]
[PlyCount "99"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Magdeburg Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. 0-0 0-0 8. Re1 b5 9. Bb3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 h6 13. h3 Re8 14. d4 Bf8 15. d5 Ne7 16. N3h2 Ng6 17. Ng3 Nf4 18. Qf3 g5 19. Ng4 Nxg4 20. hxg4 Ng6 21. Nf5 Nh4 22. Qe2 Bd7 23. g3 Nxf5 24. gxf5 Bg7 25. Kg2 Qf6 26. Be3 b4 27. cxb4 cxb4 28. Bd3 a5 29. Rec1 Qd8 30. Ba6 Bc8 31. Bxc8 Rxc8 32. Rxc8 Qxc8 33. Rc1 Qd7 34. Rc6 Ra8 35. Qb5 Bf8 36. Bb6 g4 37. Qe2 h5 38. Rc7 Qe8 39. f3 gxf3+ 40. Qxf3 f6 41. Kh3 Bh6 42. Be3 Bg5 43. Bxg5 fxg5 44. Qe3 Qd8 45. Qc1 Qf6 46. Kg2 Rf8 47. Ra7 g4 48. Rxa5 Qd8 49. Ra7 Qb6 50. Qg5+ 1-0

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2014.12.07"]
[Round "5.4"]
[White "Mertens, Fridolin"]
[Black "Heinz, Juergen"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2098"]
[BlackElo "2243"]
[PlyCount "88"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Aue Nickelhuette II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bd3 0-0 9. 0-0 Bg4 10. a3 Bc5 11. h3 Bh5 12. Bg5 h6 13. Bh4 g5 14. Bg3 Nc6 15. Be2 Bg6 16. Bd3 Kg7 17. Qd2 Qd7 18. Rfe1 Rac8 19. Rad1 Rfd8 20. Na4 Ba7 21. b3 Bh5 22. Bf1 Bxf3 23. gxf3 Nd4 24. Qd3 Nxc2 25. Re2 Nd4 26. Red2 Nh5 27. Kg2 Qc6 28. Qb1 b5 29. Nb2 f5 30. Nd3 fxe4 31. Nxe5 exf3+ 32. Kh2 dxe5 33. Bxe5+ Nf6 34. Bxd4 Qc7+ 35. Kh1 Bb8 36. Bxf6+ Kxf6 37. Qb2+ Kf7 38. Rd7+ Rxd7 39. Rxd7+ Qxd7 40. Qb1 Qd6 41. Qh7+ Ke8 42. Qg8+ Kd7 43. Qf7+ Kd8 44. Qg8+ Kc7 0-1

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2014.11.09"]
[Round "4.4"]
[White "Pfretzschner, Roland"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2255"]
[BlackElo "2098"]
[PlyCount "95"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Plauen Koenig"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c4 Ngf6 6. Nc3 e6 7. 0-0 Be7 8. b3 0-0 9. d4 cxd4 10. Nxd4 a6 11. Bb2 Ne8 12. Qe2 Bf6 13. Rad1 Rc8 14. Kh1 Qa5 15. Qe3 Ne5 16. f4 Nc6 17. Nxc6 Rxc6 18. Rfe1 b5 19. e5 Bh4 20. cxb5 axb5 21. Rf1 b4 22. Na4 dxe5 23. fxe5 Qb5 24. Bd4 Nc7 25. Nc5 Nd5 26. Qh3 Be7 27. Ne4 Nc3 28. Nxc3 bxc3 29. Bxc3 Qe2 30. Qf3 Qa6 31. Rf2 Bc5 32. Rfd2 Rc7 33. h3 Qa7 34. a4 Rb7 35. Bd4 Bxd4 36. Rxd4 Qb8 37. R4d3 Rb4 38. Qe3 Qb7 39. Rd8 h6 40. Rxf8+ Kxf8 41. Rd8+ Ke7 42. Qd2 Rb6 43. Rg8 Qc7 44. Qf4 Rxb3 45. Rxg7 Kf8 46. Rh7 Qb7 47. Rh8+ Ke7 48. Qf6+ 1-0

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2014.10.19"]
[Round "3.5"]
[White "Gungl, Theo"]
[Black "Mertens, Fridolin"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2054"]
[BlackElo "2098"]
[PlyCount "128"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Dresden USV TU II"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qc7 8. Bb3 b5 9. Nd5 Nxd5 10. Bxd5 Bb7 11. 0-0 g6 12. Rc1 Nb6 13. Bxb7 Qxb7 14. Re1 Bg7 15. c3 0-0 16. f4 e5 17. Nb3 h6 18. Bh4 exf4 19. Qxd6 Nc4 20. Qd5 Qxd5 21. exd5 g5 22. Bf2 Nxb2 23. Rc2 Nd3 24. Rd1 Nxf2 25. Kxf2 Rac8 26. Nd4 Bxd4+ 27. Rxd4 Rfd8 28. Rd3 Rd6 29. Kf3 Kg7 30. a4 f5 31. axb5 axb5 32. h3 Kf6 33. Rb2 Rc5 34. Rbd2 Ke7 35. Re2+ Kd7 36. Re5 Rf6 37. Re2 Ra6 38. Re5 Ra3 39. Rxf5 b4 40. Rf7+ Ke8 41. Rb7 Raxc3 42. Ke2 Rxd3 43. Kxd3 Rxd5+ 44. Ke2 Rd4 45. Rb6 Rc4 46. h4 f3+ 47. Kxf3 Rxh4 48. g3 Rc4 49. Rxh6 Kd7 50. Rb6 Kc7 51. Rb5 Kc6 52. Rb8 Kc5 53. Rb7 Rc3+ 54. Kg4 Kc4 55. Rb8 Kb3 56. Rb5 Ka4 57. Rxg5 b3 58. Re5 b2 59. Re1 Rc1 60. Re4+ Kb5 61. Re8 Kc5 62. Rb8 b1Q 63. Rxb1 Rxb1 64. Kf5 Kd6 0-1

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2014.10.18"]
[Round "2.5"]
[White "Mertens, Fridolin"]
[Black "Wappler, Marcus"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2098"]
[BlackElo "2209"]
[PlyCount "76"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Dresden Gruen Weiss"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. a4 Qa5 5. Bd3 e5 6. Bd2 Qc7 7. dxe5 dxe5 8. h3 Be6 9. Nf3 h6 10. Qe2 Bd6 11. Bc4 Qe7 12. a5 Nbd7 13. 0-0 0-0 14. Bxe6 Qxe6 15. Nh4 Rfe8 16. Nf5 Bf8 17. Rfd1 Kh7 18. Qf3 g6 19. Ne3 b5 20. Ne2 Rad8 21. g4 Nc5 22. Ng3 Rd7 23. Bb4 Red8 24. Rxd7 Rxd7 25. Rf1 Be7 26. c3 Nd3 27. Bxe7 Qxe7 28. b4 Nf4 29. Kh2 Rd2 30. Rd1 Qd8 31. Rxd2 Qxd2 32. Ng2 Kg7 33. Nxf4 exf4 34. Ne2 g5 35. Nd4 Qe1 36. Nxc6 Nxe4 37. Kg2 Nd2 38. Qd3 f3+ 0-1

[Event "Oberliga Ost-A 1415"]
[Site "Germany"]
[Date "2014.09.21"]
[Round "1.4"]
[White "Mertens, Fridolin"]
[Black "Luther, Juergen"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2098"]
[BlackElo "2162"]
[PlyCount "56"]
[EventDate "2014.09.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Halle Volksbank"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nf3 Be7 6. Bd3 0-0 7. 0-0 Nc6 8. Nc3 dxc4 9. Bxc4 Bg4 10. Be3 Rb8 11. Be2 a6 12. h3 Bh5 13. g4 Bg6 14. Ne5 Nxe5 15. dxe5 Ne4 16. f4 Nxc3 17. bxc3 Be4 18. Qb3 Qd5 19. Bc4 Qc6 20. Rfd1 Bc5 21. Kf2 b5 22. Bd5 Bxd5 23. Rxd5 Bxe3+ 24. Kxe3 Qh6 25. Rh1 Rbd8 26. c4 bxc4 27. Qxc4 Qb6+ 28. Kf3 Rxd5 1/2-1/2

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2014.04.06"]
[Round "11.4"]
[White "Hutsch, Oliver"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "2170"]
[BlackElo "2097"]
[PlyCount "129"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Dresden Gruen Weiss"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. Nc3 c6 5. Bg5 Be7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 Nbd7 9. 0-0 b5 10. Bd3 a6 11. a4 b4 12. Ne4 Bb7 13. Rc1 Nxe4 14. Bxe7 Qxe7 15. Bxe4 Rac8 16. Nd2 e5 17. Qc2 Nf6 18. Bf5 Rc7 19. Nb3 exd4 20. exd4 Bc8 21. Nc5 Qd8 22. Bxc8 Qxc8 23. Qc4 a5 24. Nb3 Qa8 25. Qc5 Rd8 26. Qb6 Nd5 27. Qxa5 Ra7 28. Qc5 Nf4 29. Rc2 Rxa4 30. g3 Ne6 31. Qxc6 Qa7 32. Rd1 Ra6 33. Qc4 Qb7 34. d5 Rad6 35. Na5 Qd7 36. Nc6 Ng5 37. Nxd8 Qh3 38. Qf4 Qh5 39. Kg2 Qxd1 40. Rd2 Qg1+ 41. Kxg1 Nh3+ 42. Kf1 Nxf4 43. Nc6 Ng6 44. Nxb4 Kf8 45. f4 Ke7 46. Ke2 Rb6 47. Rd4 Kd6 48. Kd3 Ne7 49. Kc4 Rb8 50. Rd3 Rc8+ 51. Nc6 Nxc6 52. dxc6+ Kxc6 53. b4 Ra8 54. b5+ Kc7 55. Kc5 Ra2 56. b6+ Kc8 57. h4 Rc2+ 58. Kd6 Re2 59. Rc3+ Kb8 60. Rc7 Re6+ 61. Kc5 Rf6 62. Kb5 h5 63. Ka6 g6 64. Re7 Kc8 65. Ka7 1-0

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2014.04.05"]
[Round "10.4"]
[White "Mertens, Fridolin"]
[Black "Baier, Silvio"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2097"]
[BlackElo "2262"]
[PlyCount "117"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Dresden USV II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Be6 10. d4 Bxb3 11. axb3 exd4 12. cxd4 Nb4 13. d5 c5 14. dxc6 d5 15. e5 Ne4 16. Nc3 Nxc3 17. bxc3 Nxc6 18. Qd3 Qd7 19. Bg5 Qe6 20. Bxe7 Nxe7 21. Nd4 Qg6 22. Qxg6 hxg6 23. Ra2 Rfc8 24. Rea1 Rxc3 25. Rxa6 Rac8 26. Ra8 b4 27. R1a4 Nf5 28. Rxc8+ Rxc8 29. Nxf5 gxf5 30. Rxb4 Rc1+ 31. Kh2 Rc3 32. Rd4 Rxb3 33. Rxd5 g6 34. Rd7 Rb5 35. f4 Rb3 36. h4 Re3 37. g3 Re2+ 38. Kh3 Re1 39. Kg2 Ra1 40. h5 gxh5 41. Rd6 Kg7 42. Rf6 h4 43. Rxf5 hxg3 44. Kxg3 Ra6 45. Rg5+ Kf8 46. Kg4 Ke7 47. Kf5 Rh6 48. Rg2 Rh5+ 49. Ke4 f6 50. Rg7+ Kf8 51. exf6 Rh1 52. Kf5 Rf1 53. Ra7 Rf2 54. f7 Kg7 55. Ke5 Re2+ 56. Kd6 Kf8 57. f5 Re1 58. Rb7 Re2 59. Ra7 1/2-1/2

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2014.03.16"]
[Round "9.4"]
[White "Mertens, Fridolin"]
[Black "Klawa, Patrick"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2097"]
[BlackElo "2206"]
[PlyCount "60"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Coswig"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. Be3 Re8 8. Qd2 a6 9. 0-0-0 b5 10. f3 Bb7 11. Nf5 Bf8 12. g4 b4 13. Nd5 Nxd5 14. exd5 a5 15. Rhg1 Qd7 16. Bc4 Na6 17. Bd4 f6 18. Qf4 g5 19. Qd2 Qf7 20. h4 Bxd5 21. Bxf6 Bxc4 22. Qxg5+ Qg6 23. Qf4 Be2 24. g5 Bxd1 25. h5 Qxh5 26. Qc4+ Qf7 27. Nh6+ Bxh6 28. gxh6+ Kf8 29. Bg7+ Kg8 30. Bf6+ Kf8 1/2-1/2

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2014.02.23"]
[Round "8.4"]
[White "Kyas, Juergen"]
[Black "Mertens, Fridolin"]
[Result "1/2-1/2"]
[ECO "C09"]
[WhiteElo "2205"]
[BlackElo "2097"]
[PlyCount "33"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chemnitz"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 c5 5. exd5 exd5 6. dxc5 Bxc5 7. Bb5+ Nc6 8. 0-0 Nge7 9. Nb3 Bd6 10. Be3 0-0 11. Nbd4 Bg4 12. c3 Ne5 13. Be2 Nc4 14. Bxc4 dxc4 15. Nb5 Nf5 16. Nxd6 Qxd6 17. Qxd6 1/2-1/2

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2014.01.19"]
[Round "7.4"]
[White "Mertens, Fridolin"]
[Black "Stolz, Mike"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2097"]
[BlackElo "2371"]
[PlyCount "88"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Magdeburg Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. f3 Ne5 9. Bb3 d6 10. Qd2 Bd7 11. 0-0-0 Rc8 12. Kb1 Nc4 13. Bxc4 Rxc4 14. g4 Qb8 15. Nb3 Be6 16. Bh6 Rfc8 17. h4 Bh8 18. h5 b5 19. hxg6 fxg6 20. Rc1 Rxc3 21. bxc3 Qc7 22. Be3 Qxc3 23. Qxc3 Rxc3 24. Rce1 Nd7 25. Rh3 Ne5 26. Nd4 Bd7 27. Bd2 Rc8 28. Nb3 Rf8 29. Bh6 Rxf3 30. Rh4 Nxg4 31. Rg1 Nxh6 32. Rxh6 Bg7 33. Rh2 Re3 34. Rgh1 h5 35. Rg2 Bg4 36. Nd2 Kf7 37. Rf1+ Ke6 38. Rgf2 Bc3 39. Nf3 Bf6 40. Nd2 a5 41. c4 Be2 42. Rg1 Bd3+ 43. Kc1 bxc4 44. Rxg6 Re1# 0-1

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2014.01.18"]
[Round "6.4"]
[White "Hansch, Karsten"]
[Black "Mertens, Fridolin"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2141"]
[BlackElo "2097"]
[PlyCount "81"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg Aufbau Elbe"]
[BlackTeam "Loeberitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Bg5 Rb8 12. Rfd1 Be6 13. Nd5 Nxd5 14. cxd5 Bd7 15. Qb3 b5 16. Rac1 h6 17. Bd2 Qb6 18. Bc3 Rbc8 19. Bxg7 Kxg7 20. Qb4 Rc7 21. Rxc7 Qxc7 22. Qd4+ Kh7 23. Be4 Rc8 24. Bd3 Qc5 25. Qh4 Re8 26. b4 Qc3 27. Qf4 Kg7 28. Rc1 Qb2 29. Rc7 Bc8 30. h4 Qxa2 31. Qd4+ Kg8 32. h5 g5 33. g4 f5 34. gxf5 Qd2 35. f6 Bf5 36. Rxe7 Rxe7 37. fxe7 Kf7 38. e8Q+ Kxe8 39. Qh8+ Ke7 40. Qg7+ Ke8 41. Qg8+ 1-0

[Event "Oberliga Ost-A 1314"]
[Site "Germany"]
[Date "2013.12.15"]
[Round "5.4"]
[White "Mertens, Fridolin"]
[Black "Schnabel, Ralf"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2097"]
[BlackElo "2228"]
[PlyCount "81"]
[EventDate "2013.10.13"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Loeberitz"]
[BlackTeam "Aue Nickelhuette II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 Nc6 10. Nf3 Bg4 11. Be2 d5 12. c5 Nc8 13. h3 Bxf3 14. Bxf3 e6 15. 0-0 Qh4 16. Ne2 N8e7 17. Qd2 Nf5 18. Bg5 Bh6 19. Bxh6 Nxh6 20. b4 Nf5 21. Bg4 a6 22. a4 Nfe7 23. f4 h5 24. Bf3 Nf5 25. Ra1 Qf6 26. Rfd1 h4 27. Kh2 Kg7 28. Bg4 Rh8 29. Bxf5 Qxf5 30. b5 axb5 31. axb5 Ne7 32. Qe3 Qe4 33. Qxe4 dxe4 34. Nc3 f5 35. b6 Nd5 36. Nb5 Nxf4 37. Nd6 Rxa1 38. Rxa1 e3 39. Nxb7 Ne2 40. c6 Nxd4 41. c7 1-0

