[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2024.03.17"]
[Round "8.5"]
[White "Guenthner, Oliver"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2137"]
[BlackElo "2000"]
[PlyCount "97"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hockenheim"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. Be2 d4 7. exd4 cxd4 8. d3 e5 9. 0-0 Bd6 10. Re1 0-0 11. a3 a5 12. Nbd2 h6 13. h3 Re8 14. Bf1 Bf5 15. Kh1 Qc7 16. Nh4 Bh7 17. Qf3 Re6 18. Nf5 Bf8 19. Ng3 Nd7 20. Nde4 Nc5 21. Nxc5 Bxc5 22. Ne4 Be7 23. Nd2 Rd8 24. g3 f5 25. Bg2 Kh8 26. Qd1 Bf6 27. Qc2 Ree8 28. Kh2 e4 29. dxe4 f4 30. Rad1 d3 31. Qb1 Nd4 32. Qxd3 f3 33. Bf1 Be5 34. Qb1 Qc5 35. Re3 Rf8 36. Bd3 h5 37. Bxd4 Bxd4 38. Rxf3 Be5 39. Kg2 Qd4 40. Rxf8+ Rxf8 41. Nf3 Qb6 42. Qc2 Bd6 43. a4 Bc5 44. Rf1 Qf6 45. Qe2 Qc6 46. Ne5 Qe8 47. Nf3 Qc6 48. Ne5 Qe8 49. Nf3 1/2-1/2

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2024.02.25"]
[Round "7.6"]
[White "Zuse, Peter"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2207"]
[BlackElo "2000"]
[PlyCount "74"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Walldorf II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. d4 b5 5. 0-0 Bb7 6. b3 e6 7. c4 b4 8. Bb2 Be7 9. Nbd2 0-0 10. Qc2 Rb8 11. Rac1 Ne8 12. Rfd1 f5 13. e3 Rf7 14. Ne1 Bf8 15. Nd3 g5 16. Nf3 a5 17. cxd5 exd5 18. h4 h6 19. hxg5 hxg5 20. Nfe5 Nxe5 21. dxe5 Ng7 22. Nc5 Bxc5 23. Qxc5 c6 24. e4 fxe4 25. Bxe4 Qf8 26. Bg6 Re7 27. Qe3 Ne6 28. Bd4 Qg7 29. Ba7 d4 30. Rxd4 Nxd4 31. Qxd4 c5 32. Qxc5 Rd8 33. Qxa5 Red7 34. Bh5 Qh6 35. g4 Rd1+ 36. Rxd1 Rxd1+ 37. Kh2 Qc6 0-1

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2024.02.04"]
[Round "6.7"]
[White "Mueller, Erich"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2143"]
[BlackElo "2000"]
[PlyCount "74"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Ladenburg"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. f4 d5 2. Nf3 Bg4 3. e3 Nd7 4. Be2 Ngf6 5. d4 e6 6. 0-0 Be7 7. Nbd2 h6 8. Ne5 Bxe2 9. Qxe2 0-0 10. b3 c5 11. Bb2 Rc8 12. c4 Nb6 13. Rac1 cxd4 14. Bxd4 Bc5 15. Bxc5 Rxc5 16. b4 Rc7 17. c5 Nbd7 18. Ndf3 Nxe5 19. Nxe5 Qe8 20. Rfd1 Ne4 21. Nd3 Qa4 22. Qc2 Qxc2 23. Rxc2 b6 24. Nf2 Nxf2 25. Kxf2 bxc5 26. bxc5 Rfc8 27. Rdc1 Kf8 28. Ke2 Ke7 29. Kd3 Rb8 30. e4 Rb4 31. exd5 exd5 32. g3 Re4 33. Rc3 Kd7 34. Rb3 Kc6 35. Rb8 f5 36. Rd8 Rd7 37. Rc8+ Rc7 1/2-1/2

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2024.01.14"]
[Round "5.7"]
[White "Bittner, Patrick"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1948"]
[BlackElo "2000"]
[PlyCount "75"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Baden-Baden III"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. d3 Bg4 5. h3 Bh5 6. g4 Bg6 7. Ne5 Nbd7 8. Nxg6 hxg6 9. Nd2 Qc7 10. e4 e6 11. Qf3 Bc5 12. exd5 cxd5 13. Nb3 Ne5 14. Qe2 Bb6 15. d4 Nc6 16. c3 0-0 17. 0-0 Qd6 18. Kh1 Bc7 19. f4 Nd7 20. Be3 b6 21. Bg1 f5 22. g5 Kf7 23. c4 Rh8 24. Rac1 Rac8 25. cxd5 exd5 26. Qf3 Ne7 27. Rc3 Bb8 28. Re3 Rh4 29. Bh2 Nf8 30. Nc1 Ne6 31. Rfe1 Rxc1 32. Rxc1 Nxd4 33. Qf2 Rxf4 34. Bxf4 Qxf4 35. Rxe7+ Kxe7 36. Qxf4 Bxf4 37. Rd1 Ne2 38. Re1 1-0

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2023.12.03"]
[Round "4.4"]
[White "Haag, Gregor"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2323"]
[BlackElo "2000"]
[PlyCount "102"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Brombach"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 0-0 7. Bd2 Re8 8. a3 Bd6 9. Rd1 Bd7 10. Qc2 h6 11. Bc1 dxc4 12. Bxc4 a6 13. 0-0 Qe7 14. Ba2 b5 15. e4 e5 16. Nd5 Nxd5 17. Bxd5 Nxd4 18. Nxd4 exd4 19. Bxa8 Rxa8 20. b4 c5 21. Bb2 Rc8 22. bxc5 Bxc5 23. Qd2 Be6 24. Bxd4 Bxa3 25. Ba1 Bc5 26. Qa5 Bg4 27. Qxa6 Qxe4 28. Rde1 Qf5 29. Qb7 b4 30. h3 Qd7 31. Qe4 Be6 32. Rd1 Qa7 33. Qe5 Bf8 34. Rd3 Qc5 35. Qb2 Qc2 36. Qxc2 Rxc2 37. Rd8 Rc8 38. Rfd1 Rxd8 39. Rxd8 f6 40. Rb8 Kf7 41. Bd4 Be7 42. Be3 b3 43. Bd2 Bd5 44. Bc3 Bd6 45. Rb6 Ke7 46. Bd4 Kd7 47. g3 Bc7 48. Rb4 Bd6 49. Rb6 Kc7 50. f4 Ba3 51. Kf2 b2 1/2-1/2

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.26"]
[Round "6"]
[White "Maehrlein, Christoph"]
[Black "Moldenhauer, Lennart"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1986"]
[BlackElo "1569"]
[PlyCount "83"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Nc3 a6 5. a4 Nf6 6. h3 Nc6 7. Be3 0-0 8. Be2 e5 9. d5 Ne7 10. Qd2 Nxe4 11. Nxe4 f5 12. Neg5 h6 13. g3 hxg5 14. Bxg5 Qe8 15. h4 e4 16. Nd4 Nxd5 17. h5 Qe5 18. c3 c5 19. Nc2 Nxc3 20. bxc3 Qxc3 21. Ra3 Qxd2+ 22. Kxd2 Be6 23. hxg6 Bf6 24. Bh6 Bg7 25. Bxg7 Kxg7 26. Rh7+ Kxg6 27. Rxb7 Rfd8 28. Rb6 Rab8 29. Rxa6 Kf6 30. Bb5 Ke5 31. Rc3 Rdc8 32. f4+ Kf6 33. Ne3 Rh8 34. Rxd6 Rh2+ 35. Kc1 Rh1+ 36. Rd1 Rh3 37. Nd5+ Kf7 38. Nc7 Ba2 39. Rd2 Rh1+ 40. Kb2 Be6 41. Nxe6 Kxe6 42. Rxc5 1-0

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.26"]
[Round "7"]
[White "Siegert, Gregor"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2109"]
[BlackElo "1986"]
[PlyCount "43"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bc4 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Be3 Rd8 10. 0-0-0 e6 11. Bb3 Na5 12. Bf4 Qd7 13. d5 Nxb3+ 14. axb3 Nxd5 15. Nxd5 exd5 16. Qg3 f6 17. Bxc7 Rc8 18. Ba5 Qf5 19. Rd3 g6 20. Kb1 Bh6 21. Qd6 Qe5 22. Re1 1-0

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.25"]
[Round "4"]
[White "Maehrlein, Christoph"]
[Black "Hebbering, Tom Elliot"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1986"]
[BlackElo "2232"]
[PlyCount "39"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 g6 4. b3 Bg7 5. d4 dxc4 6. bxc4 c5 7. Bb2 Nc6 8. e3 Bg4 9. Be2 Qb6 10. Qb3 Rd8 11. Qxb6 axb6 12. Na3 cxd4 13. 0-0-0 Bxf3 14. Bxf3 e5 15. exd4 exd4 16. Nb5 Nge7 17. Nc7+ Kf8 18. Nd5 Nxd5 19. cxd5 Nb4 20. Ba3 1-0

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.25"]
[Round "5"]
[White "Steadman, Michael VR"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2127"]
[BlackElo "1986"]
[PlyCount "97"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bg5 a6 6. Qd2 Nc6 7. 0-0-0 Bf5 8. Nf3 e6 9. Nh4 Bg4 10. f3 Bh5 11. g4 Bg6 12. Nxg6 hxg6 13. Ne4 Nxe4 14. fxe4 Be7 15. Bf4 e5 16. dxe5 Qe6 17. Kb1 Rd8 18. Bd3 Nb4 19. b3 Nxd3 20. cxd3 c5 21. h3 b5 22. Qc3 0-0 23. Rh2 Rc8 24. Rhd2 g5 25. Bg3 c4 26. d4 b4 27. Qe3 cxb3 28. Qxb3 Qg6 29. Qe3 Rc3 30. Rd3 Rfc8 31. d5 Bc5 32. Qf3 Qb6 33. d6 Qb5 34. Qf1 Qc4 35. Rxc3 Qxc3 36. Qd3 Bb6 37. d7 Qxd3+ 38. Rxd3 Rd8 39. Rd6 Be3 40. Be1 a5 41. a3 Kf8 42. axb4 Ke7 43. bxa5 Rxd7 44. Rxd7+ Kxd7 45. Kc2 Bd4 46. Bc3 Bc5 47. Kd3 Kc6 48. Kc4 Be7 49. Bd4 1-0

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.24"]
[Round "3"]
[White "Auge, Hendrik"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1820"]
[BlackElo "1986"]
[PlyCount "192"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. Bc4 a6 6. h3 e6 7. d4 b5 8. Bd3 Bb7 9. Be3 Be7 10. 0-0 Nbd7 11. a4 b4 12. Nb1 0-0 13. Nbd2 c5 14. Nc4 Qc7 15. a5 Rfd8 16. Qe2 cxd4 17. Bxd4 Nd5 18. Qe4 N7f6 19. Qe5 Qxe5 20. Bxe5 Nd7 21. Bg3 Nc5 22. Be2 f6 23. Nfd2 e5 24. Bf3 Rac8 25. Be2 g6 26. Rfd1 Ne6 27. Nb3 Ndf4 28. Bf1 Be4 29. Rxd8+ Rxd8 30. Ne3 Bb7 31. Bc4 Kg7 32. Kf1 Rc8 33. Bxe6 Nxe6 34. f3 Nd4 35. Rd1 Nxb3 36. Rd7 Kf8 37. Rxb7 Nxa5 38. Ra7 Rc5 39. Rxa6 Nc6 40. Be1 f5 41. c3 b3 42. Rb6 Bg5 43. Bf2 Na5 44. Rb8+ Kf7 45. Nxf5 Rd5 46. Ne3 Rd2 47. Rb5 Bxe3 48. Bxe3 Rxb2 49. Rxa5 Ra2 50. Rb5 b2 51. Bc5 Ra1+ 52. Kf2 b1Q 53. Rxb1 Rxb1 54. Bb4 Rb2+ 55. Kg3 Ke6 56. h4 h5 57. Kh3 Kf5 58. Be7 Rc2 59. Bb4 Kf4 60. c4 Rxc4 61. Bd2+ Kf5 62. Bg5 Rc3 63. Kh2 Rb3 64. Kg1 e4 65. fxe4+ Kxe4 66. Kf2 Rb2+ 67. Kg3 Kf5 68. Kh3 Rb3+ 69. Kh2 Rb4 70. Kh3 Rg4 71. Be3 Ke4 72. Bh6 Kd3 73. Bg7 Ke2 74. Be5 Kf1 75. Bg3 Kg1 76. Bh2+ Kh1 77. Bg3 Re4 78. Bd6 Re2 79. g4 Kg1 80. gxh5 gxh5 81. Bg3 Kf1 82. Bf4 Rg2 83. Bd6 Rg6 84. Be5 Kf2 85. Bc7 Kf3 86. Bh2 Rc6 87. Be5 Rc1 88. Bd6 Rc3 89. Be5 Rb3 90. Bg3 Ke4 91. Kg2 Kf5 92. Kh3 Rd3 93. Kg2 Kg4 94. Bf2 Rd2 95. Kf1 Kf3 96. Be1 Rd1 0-1

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.24"]
[Round "2"]
[White "Maehrlein, Christoph"]
[Black "Eilers, Stefan"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1986"]
[BlackElo "2300"]
[PlyCount "44"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Be3 e5 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Nf6 8. c4 Qa5+ 9. Bd2 Qa4 10. d5 Nd4 11. Bd3 e4 12. c3 Qxd1+ 13. Rxd1 Bg4 14. Rb1 exd3 15. cxd4 0-0-0 16. f3 Bf5 17. g4 Rhe8+ 18. Kf2 Bxg4 19. Bg5 Bf5 20. Bxf6 gxf6 21. Re1 Rxe1 22. Kxe1 b5 0-1

[Event "Heusenstamm Sparkassen op-A 9th"]
[Site "Heusenstamm"]
[Date "2023.11.23"]
[Round "1"]
[White "Zarriess, Benjamin"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1732"]
[BlackElo "1986"]
[PlyCount "120"]
[EventDate "2023.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nb5 Qb6 6. Nf3 a6 7. Na3 Bg4 8. Be2 Nbd7 9. 0-0 0-0-0 10. Nc4 Qe6 11. Ne3 Bh5 12. c3 Qb6 13. Nc4 Qc6 14. Qb3 e6 15. Nfe5 Nxe5 16. Nxe5 Qe8 17. Bxh5 Nxh5 18. Re1 Rd5 19. Be3 f6 20. Nf3 g5 21. Rad1 Rb5 22. Qc2 Qg6 23. Qxg6 hxg6 24. Bc1 Ng7 25. Re4 Rd5 26. Rde1 Rd7 27. g3 c5 28. Kg2 cxd4 29. Rxd4 Rxd4 30. Nxd4 e5 31. Nc2 Bc5 32. Rd1 Rd8 33. Rxd8+ Kxd8 34. Be3 Be7 35. Bb6+ Kd7 36. f3 Kc6 37. Bg1 f5 38. Kf1 Ne6 39. Ke2 Nc7 40. Kd3 Nd5 41. c4 Nf6 42. a3 g4 43. fxg4 Nxg4 44. h3 e4+ 45. Ke2 Ne5 46. b3 Nf3 47. Be3 Bd6 48. Kf2 a5 49. b4 Ne5 50. Nd4+ Kd7 51. c5 Nd3+ 52. Kg2 Be7 53. Nc2 Kc6 54. Nd4+ Kd5 55. bxa5 Bxc5 56. Nc2 Bxe3 57. Nxe3+ Kd4 58. Nc2+ Kc3 59. Ne3 Kd2 60. Nf1+ Ke2 0-1

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2023.10.22"]
[Round "3.7"]
[White "Sorokovski, Joury"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1983"]
[BlackElo "2000"]
[PlyCount "79"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Emmendingen"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 a6 5. Bc4 Nf6 6. Nge2 Nc6 7. Bf4 e5 8. dxe5 Nxe5 9. Bb3 Bg4 10. h3 Bd7 11. Qxd6 Bxd6 12. Bg5 Bc6 13. 0-0 h6 14. Bxf6 gxf6 15. Nd4 Bd7 16. Nd5 0-0-0 17. Nxf6 c5 18. Nxd7 Rxd7 19. f4 Ng6 20. Nf5 Bxf4 21. Bxf7 Rxf7 22. Rxf4 Nxf4 23. Nd6+ Kc7 24. Nxf7 Rg8 25. Rf1 Nxh3+ 26. Kh2 Ng5 27. Nxh6 Rh8 28. Rf6 Ne4 29. Rg6 Rd8 30. Re6 Nd2 31. g4 Rd4 32. Re2 Nf3+ 33. Kg3 Ng5 34. Nf5 Ra4 35. a3 b5 36. Kh4 Nf3+ 37. Kh5 Rf4 38. Rf2 b4 39. Nh4 bxa3 40. bxa3 1-0

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2023.10.08"]
[Round "2.8"]
[White "Doll, Rebecca"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1896"]
[BlackElo "2000"]
[PlyCount "94"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Untergrombach"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 a6 5. a4 Nf6 6. Nf3 Bg4 7. Be2 Nc6 8. h3 Bxf3 9. Bxf3 0-0-0 10. d5 Qe5+ 11. Be3 e6 12. dxc6 Rxd1+ 13. Rxd1 bxc6 14. Bxc6 Bc5 15. Ke2 Bxe3 16. fxe3 Qc5 17. Bf3 Qb4 18. Rb1 Rd8 19. Rhd1 Rxd1 20. Kxd1 Qc4 21. Kd2 Nd5 22. Be2 Qc6 23. Bf3 Qc5 24. Nxd5 exd5 25. b4 Qd6 26. c3 f5 27. Rf1 g6 28. Be2 Kb7 29. Rf4 c6 30. Bf3 h5 31. h4 Qe5 32. Kd3 a5 33. b5 cxb5 34. Rd4 f4 35. Rxf4 bxa4 36. Rxa4 Kb6 37. Rd4 Qf5+ 38. Kd2 Qb1 39. Bxd5 Kc5 40. Be4 Qb2+ 41. Bc2 Qb7 42. Be4 Qb2+ 43. Bc2 Qa2 44. g4 Qf7 45. g5 Qf2+ 46. Kd3 Qf1+ 47. Kd2 Qf2+ 1/2-1/2

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.10.03"]
[Round "7"]
[White "Schmitt, Anatole"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2014"]
[BlackElo "2000"]
[PlyCount "50"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d3 a6 6. Qf3 Nc6 7. Bf4 e5 8. Bg3 Nd4 9. Qd1 b5 10. Bb3 Bb7 11. Nf3 Nxf3+ 12. gxf3 Be7 13. Qe2 Nd7 14. 0-0-0 Qh6+ 15. Kb1 Qh5 16. Nd5 Bd6 17. d4 0-0 18. dxe5 Nxe5 19. Qe4 Qxf3 20. Rhe1 Qxe4 21. Rxe4 Ng6 22. Bxd6 cxd6 23. Ne7+ Kh8 24. Nxg6+ fxg6 25. Re7 Bg2 1/2-1/2

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.10.02"]
[Round "5"]
[White "Ciuloi, Victor Stefan"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1845"]
[BlackElo "2000"]
[PlyCount "100"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Ne4 5. 0-0 Bd6 6. c4 c6 7. Nc3 f5 8. Bf4 Bxf4 9. gxf4 0-0 10. e3 b6 11. Ne5 Bb7 12. Nxe4 dxe4 13. f3 exf3 14. Bxf3 Qe7 15. Rc1 Rd8 16. Qb3 c5 17. d5 Rd6 18. Rfd1 Nd7 19. Nxd7 Rxd7 20. Qc3 exd5 21. Bxd5+ Bxd5 22. Rxd5 Rxd5 23. cxd5 Re8 24. Re1 Qe4 25. Qd2 Kf7 26. Kf2 Rd8 27. Rd1 Rd6 28. Qd3 Qxd3 29. Rxd3 Rh6 30. Kg3 Ke7 31. Ra3 a5 32. Rb3 Kd7 33. h4 Rg6+ 34. Kf3 a4 35. Rc3 Kd6 36. Ra3 b5 37. b3 Kxd5 38. bxa4 b4 39. Rb3 Ra6 40. Rd3+ Kc4 41. Rd2 Rxa4 42. Rc2+ Kb5 43. h5 c4 44. Rg2 Ra7 45. Rc2 b3 46. axb3 cxb3 47. Rc8 Kb4 48. Ke2 Rd7 49. Ra8 Rd5 50. Rb8+ Rb5 0-1

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.10.02"]
[Round "6"]
[White "Maehrlein, Christoph"]
[Black "Stuermer, Robin Gabriel"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2000"]
[BlackElo "2225"]
[PlyCount "60"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 Nc6 2. e4 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bc4 Nxc3 6. bxc3 e6 7. d4 Bd6 8. 0-0 0-0 9. Re1 b6 10. Bd3 h6 11. Rb1 Bb7 12. c4 Nb4 13. Be4 Bxe4 14. Rxe4 c5 15. c3 Nc6 16. Rg4 f5 17. Rh4 e5 18. dxc5 Bxc5 19. Qd5+ Qxd5 20. cxd5 Rad8 21. c4 e4 22. Nd2 Ne5 23. Kf1 Nd3 24. f3 Rde8 25. Nb3 exf3 26. Bd2 fxg2+ 27. Kxg2 Re2+ 28. Kh3 Bd6 29. Rh1 Rf6 30. Rd4 Nf2+ 0-1

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.10.01"]
[Round "3"]
[White "Backhaus, Silas"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2109"]
[BlackElo "2000"]
[PlyCount "67"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 e6 3. b3 Nf6 4. Bb2 Bd6 5. d4 Ne4 6. Bd3 f5 7. 0-0 0-0 8. c4 c6 9. Nbd2 Nd7 10. a3 g5 11. Ne5 Bxe5 12. dxe5 Ndc5 13. Nxe4 fxe4 14. Bc2 b6 15. b4 Nd7 16. b5 Bb7 17. Qg4 Nc5 18. Bd4 Qe7 19. h4 cxb5 20. cxb5 Kh8 21. hxg5 Rg8 22. f4 exf3 23. Qxf3 Qxg5 24. Rf2 a6 25. Qh3 Rg7 26. bxa6 Bxa6 27. Rb1 Bd3 28. Rxb6 Qg6 29. Bxc5 Bxc2 30. Rxe6 Qd3 31. Bd4 Rag8 32. Rc6 Qd1+ 33. Kh2 Bf5 34. Qxf5 1-0

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.10.01"]
[Round "4"]
[White "Maehrlein, Christoph"]
[Black "Scherer, Max"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2000"]
[BlackElo "2152"]
[PlyCount "134"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 g5 4. d4 h6 5. d5 Bg7 6. e4 e6 7. c4 Ne7 8. Nc3 Na6 9. h4 g4 10. Nd4 h5 11. 0-0 Ng6 12. Re1 Be5 13. Bg5 f6 14. Be3 Qe7 15. a3 Kf7 16. Rc1 c6 17. b4 Rhc8 18. Nde2 c5 19. b5 Nc7 20. Nf4 Bxf4 21. gxf4 Ne8 22. e5 Rab8 23. d6 Qf8 24. Bxb7 Rxb7 25. f5 Nxh4 26. fxe6+ dxe6 27. d7 Rd8 28. dxe8Q+ Kxe8 29. Qc2 Nf3+ 30. Kf1 f5 31. Red1 Rbd7 32. Ne2 Qe7 33. Nf4 Nxe5 34. Rxd7 Rxd7 35. Nxh5 Qh4 36. Ng3 Qh3+ 37. Ke2 Qg2 38. Rh1 Qf3+ 39. Ke1 Nd3+ 40. Kf1 Nb4 41. axb4 Rd1+ 42. Qxd1 Qxd1+ 43. Kg2 Qf3+ 44. Kg1 f4 45. Bxf4 Qxf4 46. bxc5 bxc5 47. Rh8+ Kd7 48. Rh7+ Kc8 49. Rxa7 Qxc4 50. Ra1 Qxb5 51. Rc1 Qb4 52. Ne2 Kd7 53. Kf1 Qd2 54. Ra1 Ke7 55. Ng3 Qd3+ 56. Kg1 c4 57. Nf1 c3 58. Rc1 Kd6 59. Ne3 g3 60. Rc2 Kc5 61. Kg2 gxf2 62. Kxf2 Kb4 63. Kf3 Kb3 64. Re2 Qh7 65. Rg2 Qh5+ 66. Kf4 Qh4+ 67. Kf3 Qh3+ 0-1

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.09.30"]
[Round "2"]
[White "Ehmann, Johanna"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1833"]
[BlackElo "2000"]
[PlyCount "120"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Nbd7 7. Nc4 Qc7 8. a4 Nb6 9. Ne5 e6 10. Bf4 Bd6 11. Bd3 0-0 12. 0-0 Bd7 13. Ne4 Nxe4 14. Bxe4 Be8 15. Qd3 f5 16. Bf3 Qe7 17. Qe3 h6 18. a5 Nd5 19. Bxd5 exd5 20. Nd3 Qxe3 21. fxe3 Be7 22. Be5 Bd7 23. Nf4 Kh7 24. c3 Rfe8 25. Nd3 g5 26. Rf2 Bf8 27. Raf1 c5 28. g4 Bb5 29. Rd1 Bxd3 30. Rxd3 fxg4 31. Rf7+ Kg8 32. Rxb7 c4 33. Rd2 Re7 34. Rxe7 Bxe7 35. Rf2 a6 36. Rf5 Rf8 37. Rxf8+ Kxf8 38. Bc7 Ke8 39. Kg2 Kd7 40. Be5 Ke6 41. Kg3 h5 42. Kg2 Kf5 43. Bc7 Ke4 44. Kf2 Kd3 45. Be5 Bd8 46. Bd6 Bxa5 47. Be7 Bc7 48. Bxg5 Bxh2 49. Be7 a5 50. Bd8 a4 51. Be7 Bc7 52. Bf6 Bd6 53. Be5 Be7 54. Bf4 Bh4+ 55. Kg2 Be1 56. Kf1 Bxc3 57. bxc3 a3 58. e4 Kxe4 59. Bc1 a2 60. Bb2 Kd3 0-1

[Event "Baden-ch 95th"]
[Site "Freiburg"]
[Date "2023.09.30"]
[Round "1"]
[White "Maehrlein, Christoph"]
[Black "Dobrocmyslov, Artem"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2000"]
[BlackElo "2308"]
[PlyCount "66"]
[EventDate "2023.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 a6 4. Bg2 b5 5. b3 Bb7 6. Bb2 c5 7. 0-0 Be7 8. d3 0-0 9. Nbd2 d6 10. e4 Nc6 11. d4 cxd4 12. cxb5 axb5 13. Nxd4 Qb6 14. Nc2 Rfd8 15. b4 d5 16. exd5 Nxd5 17. Bxd5 Rxd5 18. Qg4 Rg5 19. Qf4 e5 20. Qf3 Nxb4 21. Nxb4 Bxf3 22. Nxf3 Rh5 23. Nd5 Qb7 24. Nxe7+ Qxe7 25. Rfe1 f6 26. a3 Qe6 27. Nd2 Rc8 28. Rac1 Rxc1 29. Rxc1 e4 30. Re1 Qa2 31. Bc3 Qxa3 32. Nxe4 f5 33. Ra1 Qxa1+ 0-1

[Event "Oberliga Baden 2324"]
[Site "Germany"]
[Date "2023.09.17"]
[Round "1.6"]
[White "Maehrlein, Christoph"]
[Black "Duschek, Volker"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2000"]
[BlackElo "2290"]
[PlyCount "98"]
[EventDate "2023.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Pforzheim"]
[BlackTeam "Karlsruhe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 g6 3. b3 d6 4. g3 e5 5. d3 Bg7 6. Bb2 0-0 7. Bg2 c5 8. 0-0 Nc6 9. e3 Re8 10. Nbd2 h6 11. a3 Be6 12. Rc1 Bf5 13. Ne1 Qd7 14. e4 Bh3 15. f4 exf4 16. Bxh3 Qxh3 17. Rxf4 Ng4 18. Qxg4 Qxg4 19. Rxg4 Bxb2 20. Rb1 Bd4+ 21. Kf1 g5 22. Ndf3 Ne5 23. Nxe5 Bxe5 24. h4 f6 25. hxg5 fxg5 26. Nf3 Rf8 27. Kg2 Rxf3 28. Kxf3 Rf8+ 29. Kg2 Kg7 30. b4 b6 31. bxc5 bxc5 32. Rb7+ Kg6 33. Re7 h5 34. d4 Bxd4 35. e5 hxg4 36. exd6 Rf2+ 37. Kh1 Rf1+ 38. Kg2 Rg1+ 39. Kh2 Rd1 40. Rxa7 Rd2+ 41. Kh1 Be5 42. d7 Kf5 43. Ra5 Ke4 44. Rxc5 Rxd7 45. Kg2 Rd2+ 46. Kf1 Ra2 47. Ra5 Bxg3 48. Rxg5 Kf3 49. Rf5+ Bf4 0-1

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2023.05.07"]
[Round "9.6"]
[White "Maehrlein, Christoph"]
[Black "Shapiro, Vladimir"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2000"]
[BlackElo "1997"]
[PlyCount "107"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Pforzheim"]
[BlackTeam "Eppingen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 d6 3. g3 g6 4. b3 Bg7 5. Bb2 0-0 6. Bg2 e5 7. 0-0 Nc6 8. d4 exd4 9. Nxd4 Bd7 10. Re1 Re8 11. Nxc6 Bxc6 12. Bxc6 bxc6 13. Nd2 Ne4 14. Bxg7 Kxg7 15. Nf3 c5 16. Qc2 Qf6 17. h4 Nc3 18. Rac1 Nxe2+ 19. Rxe2 Qxf3 20. Rce1 Rxe2 21. Rxe2 Qf6 22. Qe4 Rb8 23. Qc6 Qd8 24. Re3 Qc8 25. Re7 a5 26. Rxc7 Qe6 27. Ra7 Re8 28. Qf3 Re7 29. Qc3+ Qf6 30. Qxf6+ Kxf6 31. Rxa5 Ke5 32. Kg2 Ke4 33. Ra6 Rd7 34. Rb6 d5 35. cxd5 Kxd5 36. a4 Ra7 37. Kf3 Kd4 38. Kf4 f5 39. Re6 c4 40. bxc4 Kxc4 41. Kg5 Kd5 42. Re3 Rxa4 43. f4 Re4 44. Ra3 Re6 45. h5 Ke4 46. h6 Re7 47. Rb3 Rc7 48. Rb8 Rc3 49. Re8+ Kd5 50. Kh4 Rc1 51. Kg5 Rh1 52. g4 fxg4 53. Kxg4 Rxh6 54. f5 1/2-1/2

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2023.03.05"]
[Round "7.5"]
[White "Maehrlein, Christoph"]
[Black "Sakkal, Ahmad"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2000"]
[BlackElo "2041"]
[PlyCount "132"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Pforzheim"]
[BlackTeam "Walldorf II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. Bc4 Nb6 6. Bb3 dxe5 7. Nxe5 e6 8. Qf3 Qxd4 9. Nxf7 Bg4 10. Be3 Qb4+ 11. c3 Bxf3 12. cxb4 Kxf7 13. gxf3 Bxb4+ 14. Nd2 Nc6 15. 0-0-0 Bxd2+ 16. Rxd2 Rad8 17. Re2 Nd5 18. Rhe1 Rhe8 19. Ba4 Ndb4 20. Kb1 a6 21. a3 b5 22. Bb3 Nd3 23. Rd1 Na5 24. Bc2 Ne5 25. Rxd8 Rxd8 26. Bf4 Nec6 27. Bxc7 Rd7 28. Bb6 Nc4 29. Be3 Nd4 30. Bxd4 Rxd4 31. Be4 Rd1+ 32. Kc2 Rh1 33. Bb7 a5 34. Bc8 e5 35. Ba6 Rxh2 36. Bxb5 Nd6 37. Bc6 Nf5 38. Bd5+ Kf6 39. Kc3 Nd4 40. Rd2 Rh4 41. Be4 h5 42. b4 axb4+ 43. axb4 Rf4 44. Ra2 Nxf3 45. Ra6+ Ke7 46. Ra7+ Kd6 47. Ra6+ Kc7 48. Ra7+ Kb6 49. Rb7+ Ka6 50. b5+ Ka5 51. Bd3 Nd4 52. Rxg7 Rf3 53. Rg5 Ne2+ 54. Kd2 Nf4 55. Be2 Rxf2 56. Rxe5 h4 57. Ke1 Rg2 58. Re4 Rg1+ 59. Kf2 Nh3+ 60. Ke3 Rg3+ 61. Kd4 Ng1 62. Bc4 Nf3+ 63. Kc5 h3 64. Re6 Rg5+ 65. Bd5 Rxd5+ 66. Kxd5 Kxb5 1/2-1/2

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2023.01.22"]
[Round "5.5"]
[White "Maehrlein, Christoph"]
[Black "Mueller, Jens"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "2000"]
[BlackElo "1934"]
[PlyCount "40"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Pforzheim"]
[BlackTeam "Weinheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxc4 10. Nxc4 Bb7 11. Nfe5 c5 12. Rd1 cxd4 13. Rxd4 Qc7 14. Bf4 Nxe5 15. Bxe5 Qc6 16. Ne3 Qxc2 17. Nxc2 Rfd8 18. Re1 Rac8 19. Rxd8+ Rxd8 20. Bc3 Nd7 1/2-1/2

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2022.12.04"]
[Round "4.5"]
[White "Kistner, Klaus"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2156"]
[BlackElo "2000"]
[PlyCount "103"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bad Mergentheim II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. 0-0 e6 5. d3 Be7 6. Nbd2 h6 7. c4 0-0 8. Ne5 Nbd7 9. Nxd7 Qxd7 10. e4 Bg6 11. Qb3 c6 12. Nf3 Bh5 13. cxd5 exd5 14. Re1 Rad8 15. e5 Nh7 16. Be3 b6 17. d4 c5 18. a4 c4 19. Qb5 Bg4 20. Qxd7 Rxd7 21. Bd2 Be6 22. h4 g5 23. hxg5 hxg5 24. Nh2 Kg7 25. Bf3 Rc8 26. Kg2 a5 27. Ng4 Bb4 28. Bc3 Be7 29. Rh1 Rh8 30. Rh6 Nf8 31. Rxh8 Kxh8 32. Bd2 Kg7 33. Rh1 Rd8 34. Ne3 Nh7 35. Rh5 Kg6 36. g4 Nf8 37. Bd1 f6 38. Bc2+ Kf7 39. Nf5 Bb4 40. Be3 Ng6 41. Rh7+ Kf8 42. exf6 Bxf5 43. Bxf5 Nh4+ 44. Kf1 Re8 45. Rh8+ Kf7 46. Rxe8 Kxe8 47. Be6 Nf3 48. Bxd5 Nh2+ 49. Ke2 Nxg4 50. Bxg5 c3 51. bxc3 Bxc3 52. f3 1-0

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2022.11.20"]
[Round "3.5"]
[White "Orsolic, Marijan"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2136"]
[BlackElo "2000"]
[PlyCount "75"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. g3 d5 3. Bg2 c6 4. Nf3 dxc4 5. 0-0 Nf6 6. a4 Nbd7 7. Na3 Qc7 8. Nxc4 Nb6 9. Qc2 a5 10. d4 Nxc4 11. Qxc4 Bd6 12. Bg5 0-0 13. Rac1 Ne4 14. Be3 Qe7 15. Ne5 Nf6 16. Nd3 Nd5 17. Bd2 f5 18. f4 Kh8 19. Ne5 Bb4 20. Bxb4 axb4 21. Bxd5 exd5 22. Qc2 Bd7 23. b3 Rac8 24. Qc5 Rfe8 25. Rc2 Rb8 26. Qb6 Be6 27. Rc5 g5 28. a5 Rg8 29. Qxb4 h5 30. Qd2 h4 31. Rc3 Rg7 32. fxg5 Rxg5 33. Qf4 Kg7 34. Nxc6 bxc6 35. Qxb8 f4 36. Qxf4 Bh3 37. Re3 Qd8 38. Qf7+ 1-0

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2022.10.16"]
[Round "2.4"]
[White "Fohler, Martin"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2000"]
[PlyCount "92"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Forst"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 e6 3. e3 Nf6 4. Nf3 c6 5. Bd3 Bd6 6. Bg3 Ne4 7. Bxd6 Nxd6 8. Nbd2 f5 9. Ne5 0-0 10. f4 Qb6 11. b3 c5 12. Ndf3 Nc6 13. c3 Ne4 14. Rc1 Qa5 15. a4 Qb6 16. 0-0 a6 17. Nxc6 bxc6 18. Ne5 Rb8 19. Bxe4 fxe4 20. Rb1 cxd4 21. cxd4 c5 22. dxc5 Qxc5 23. Qd2 Qa3 24. Qd1 a5 25. f5 Qc5 26. f6 Qxe3+ 27. Kh1 gxf6 28. Nc6 Rb7 29. Nxa5 Rg7 30. b4 d4 31. Re1 Qg5 32. Rb2 Qd5 33. Nb3 e5 34. Nc5 f5 35. a5 d3 36. Qb3 Qxb3 37. Nxb3 Rd8 38. b5 Be6 39. Nd2 Bd5 40. Nf1 f4 41. a6 e3 42. Nxe3 fxe3 43. Rxe3 d2 44. Rxd2 Bxg2+ 45. Kg1 Rxd2 46. b6 Bb7+ 0-1

[Event "Verbandsliga Nordbaden 2223"]
[Site "Germany"]
[Date "2022.09.25"]
[Round "1.5"]
[White "Zimmer, Frank"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2098"]
[BlackElo "2000"]
[PlyCount "115"]
[EventDate "2022.09.25"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Mosbach"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. Nbd2 0-0 7. 0-0 h6 8. Re1 Re8 9. Nf1 Nbd7 10. Ng3 Nc5 11. c3 Nxb3 12. axb3 Qc7 13. Nh4 Bg4 14. Qc2 dxe4 15. dxe4 Be6 16. Nhf5 Bc5 17. b4 Bf8 18. Qe2 Kh7 19. Rd1 Bb3 20. Re1 g6 21. Ne3 Be6 22. Nc4 b5 23. Na5 h5 24. Nf1 a6 25. Nd2 c5 26. bxc5 Bxc5 27. Ndb3 Bg4 28. Qc2 Bf8 29. Be3 Be6 30. f3 Nd7 31. Qf2 Rec8 32. Red1 Be7 33. Rdc1 g5 34. Kh1 Rg8 35. Rd1 Rg6 36. Rd2 Rag8 37. Rad1 g4 38. f4 g3 39. Qf1 Bg4 40. f5 Rd6 41. Rxd6 Bxd6 42. Rd2 Nf6 43. Qd3 Be7 44. h3 Rd8 45. Qc2 Rxd2 46. Bxd2 Be2 47. Bg5 Bc4 48. Qd1 Nxe4 49. Qxh5+ Kg8 50. f6 Nf2+ 51. Kg1 Qb6 52. Nd4 Bxf6 53. Nxc4 bxc4 54. Bxf6 Qxf6 55. Nf5 Nd3 56. Nxg3 Qg6 57. Qh4 Nf4 58. Kh2 1/2-1/2

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.21"]
[Round "6.60"]
[White "Linnemann, Caspar"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1731"]
[BlackElo "2061"]
[PlyCount "80"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Bb4 4. d3 Nc6 5. Bg5 h6 6. Bh4 g5 7. Bg3 d6 8. a3 Bxc3+ 9. bxc3 0-0 10. Be2 Qe7 11. 0-0 Nh7 12. Re1 h5 13. h4 g4 14. Nd2 Re8 15. Bf1 Nf8 16. Nb3 Ng6 17. Qd2 Nxh4 18. Qh6 Ng6 19. d4 h4 20. Bh2 Qf8 21. Qg5 Kg7 22. Bb5 f6 23. Qd2 a6 24. Bf1 Qh8 25. Qd3 Qh5 26. g3 Rh8 27. Qd2 Bd7 28. Re2 Nd8 29. d5 Nf7 30. Qd3 Ng5 31. Bg2 Nf3+ 32. Bxf3 gxf3 33. Rd2 Nf4 34. Qe3 Ng2 35. Qd3 hxg3 36. fxg3 Qxh2+ 37. Kf1 Bh3 38. Kf2 Ne1+ 39. Ke3 Qxg3 40. Qc4 f2+ 0-1

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.21"]
[Round "7.44"]
[White "Maehrlein, Christoph"]
[Black "Makilla, Tobias"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2061"]
[BlackElo "1924"]
[PlyCount "43"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. a3 Bb7 7. Be2 Nd7 8. 0-0 Nh6 9. h3 0-0 10. Be3 c5 11. dxc5 Nxc5 12. e5 Ne4 13. Nxe4 Bxe4 14. exd6 Bxb2 15. Ra2 Bg7 16. c4 bxc4 17. dxe7 Qxe7 18. Bxc4 Rfc8 19. Qe2 Nf5 20. Bf2 a5 21. Ng5 Nd6 22. Bd5 1-0

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.20"]
[Round "5.47"]
[White "Bahlo, Jens"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1908"]
[BlackElo "2061"]
[PlyCount "55"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 b6 5. Bd2 Nge7 6. Nc3 Ng6 7. 0-0-0 Bd6 8. g3 Bb7 9. f4 Qe7 10. Nd5 Qd8 11. Bc3 0-0 12. h4 Nge7 13. Bc4 Nxd5 14. Bxd5 Bc5 15. Qf3 Kh8 16. e5 Qe8 17. h5 h6 18. Qe4 f6 19. Nf3 f5 20. Qd3 a5 21. Nh4 Ba6 22. Qf3 Rf7 23. e6 Re7 24. exd7 Rxd7 25. Bxc6 Be2 26. Bxd7 Be3+ 27. Kb1 Bxd1 28. Rxd1 1-0

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.20"]
[Round "4.48"]
[White "Maehrlein, Christoph"]
[Black "Muedder, Melanie"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2061"]
[BlackElo "1766"]
[PlyCount "87"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. e5 Nd5 6. c4 Nc7 7. 0-0 g6 8. Re1 Bg7 9. h3 0-0 10. Nc3 Ne6 11. d3 Nd4 12. Bf4 Nxf3+ 13. Qxf3 Bf5 14. Rad1 Qd4 15. g4 Be6 16. Re4 Qd7 17. Qe3 b6 18. Bh6 Rae8 19. b3 f5 20. exf6 exf6 21. Bxg7 Kxg7 22. d4 f5 23. dxc5 Qc8 24. gxf5 Bxf5 25. Re7+ Kg8 26. cxb6 axb6 27. Re1 Rxe7 28. Qxe7 Bxh3 29. Qh4 Bg4 30. Re7 Bh5 31. Qd4 Rf7 32. Rxf7 Kxf7 33. Qf4+ Kg7 34. Kg2 Qg4+ 35. Qxg4 Bxg4 36. Na4 b5 37. cxb5 cxb5 38. Nc3 Bd7 39. b4 Kf6 40. f4 Kf5 41. Kf3 h5 42. Kg3 h4+ 43. Kxh4 Kxf4 44. Nd5+ 1/2-1/2

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.19"]
[Round "2.5"]
[White "Maehrlein, Christoph"]
[Black "Abel, Thomas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2061"]
[BlackElo "2334"]
[PlyCount "80"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. b4 cxd4 8. cxd4 Rc8 9. Be3 Nge7 10. Bd3 Nf5 11. 0-0 Be7 12. Bxf5 exf5 13. Qb3 Be6 14. Nc3 Qd8 15. Rac1 g5 16. g3 0-0 17. h4 h6 18. hxg5 hxg5 19. Kg2 g4 20. Ne1 Nxe5 21. Ne2 Nc4 22. Nd3 Bg5 23. Nef4 Qe7 24. Rh1 Rc6 25. Nc5 Bxf4 26. Bxf4 b6 27. Nd3 Bc8 28. Rce1 Re6 29. Be5 f6 30. Nf4 fxe5 31. Nxe6 Bxe6 32. Rh6 Rf6 33. Rh5 Bf7 34. Rg5+ Bg6 35. Qc3 e4 36. Qc1 e3 37. fxe3 Qe4+ 38. Kh2 Kg7 39. Rf1 Rf8 40. Kg1 Rh8 0-1

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.19"]
[Round "3.33"]
[White "Ochs, Daniel Elias"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1966"]
[BlackElo "2061"]
[PlyCount "105"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 0-0 7. Bg2 Bxc3 8. Bxc3 Ne4 9. Rc1 Nxc3 10. Rxc3 d6 11. 0-0 a5 12. d5 Nb8 13. dxe6 Qxe6 14. Nd4 Qf6 15. Qd2 c6 16. Rd1 Rd8 17. Rd3 Nd7 18. Nb3 Ne5 19. Rxd6 Rxd6 20. Qxd6 Qxd6 21. Rxd6 Kf8 22. Rd8+ Ke7 23. Rg8 Nxc4 24. Bh3 a4 25. Nc1 Nb6 26. Bxc8 Rxc8 27. Rxg7 Rd8 28. Nd3 h5 29. Rg5 Rd5 30. Rxd5 Nxd5 31. e4 Nf6 32. f3 Nd7 33. Kf2 c5 34. b3 a3 35. Ke3 b5 36. h4 Kd6 37. g4 b4 38. gxh5 Nf8 39. f4 f6 40. h6 Kc6 41. e5 Kd5 42. exf6 c4 43. Nxb4+ Kc5 44. Na6+ Kb6 45. bxc4 Kxa6 46. Kd4 Kb6 47. Kd5 Kc7 48. c5 Kd7 49. c6+ Kc7 50. f5 Kd8 51. Kd6 Nd7 52. c7+ Kc8 53. h7 1-0

[Event "Heusenstamm Sparkassen op-A 7th"]
[Site "Heusenstamm"]
[Date "2021.11.18"]
[Round "1.50"]
[White "Homberger, Jan"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "C75"]
[WhiteElo "1825"]
[BlackElo "2061"]
[PlyCount "116"]
[EventDate "2021.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 a6 5. Ba4 d6 6. 0-0 Bd7 7. d4 Ng6 8. d5 Nb8 9. Bc2 Be7 10. c4 0-0 11. Nc3 h6 12. b4 a5 13. b5 b6 14. h3 Qc8 15. Nh2 f5 16. Qh5 Nf4 17. Bxf4 exf4 18. Ne2 fxe4 19. Bxe4 Bf5 20. Bxf5 Rxf5 21. Qg4 h5 22. Qg6 Bf6 23. Nf3 Bxa1 24. Rxa1 Rf6 25. Qxh5 Nd7 26. Ng5 Nf8 27. Nd4 Qe8 28. Qxe8 Rxe8 29. Kf1 Re5 30. Ngf3 Re4 31. Re1 Rxe1+ 32. Kxe1 Rg6 33. Kf1 Kf7 34. h4 Rh6 35. Ke2 Rh5 36. Kd3 Ng6 37. Ne6 Nxh4 38. Nxh4 Rxh4 39. Nxc7 Rh8 40. Ke4 Rc8 41. Ne6 Rxc4+ 42. Kf5 Rc2 43. Ng5+ Ke7 44. Ne4 Rxa2 45. Kxf4 Rc2 46. Ke3 a4 47. Kd3 Rc1 48. Nc3 a3 49. Kd2 Rf1 50. Ke2 Rg1 51. g3 Kf6 52. Ke3 Ke5 53. f4+ Kf5 54. Kf3 Rc1 55. g4+ Kg6 56. f5+ Kf7 57. Ne4 a2 58. Nxd6+ Ke7 0-1

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2021.07.25"]
[Round "9.4"]
[White "Welz, Thomas"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2170"]
[BlackElo "2067"]
[PlyCount "93"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Eppingen II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. Ne5 Bb7 9. Qf3 Qe7 10. Qg3 f6 11. Nf3 f5 12. axb5 Bxc3 13. Bxc3 cxb5 14. Rxa5 Nd7 15. Rxa8+ Bxa8 16. d5 e5 17. d6 Qxd6 18. Qxg7 Bxf3 19. gxf3 Qf6 20. Rg1 Qxg7 21. Rxg7 Ne7 22. Bb4 Nd5 23. Bd2 Nc5 24. Rg5 Rf8 25. Rh5 Rf7 26. e4 Nf4 27. Bxf4 exf4 28. Kd2 Rd7+ 29. Kc2 Nb3 30. Kc3 Nd2 31. Be2 Nxf3 32. Rxf5 Nd4 33. Bh5+ Kd8 34. Rxf4 Nc6 35. Rf8+ Kc7 36. Rf7 Rxf7 37. Bxf7 Kd6 38. Be8 Ne5 39. Bxb5 Kc5 40. f4 Nd3 41. Bxc4 Nxf4 42. b4+ Kc6 43. Kd4 Ng6 44. e5 Ne7 45. Ke4 Kd7 46. Kf4 Nc6 47. Bb5 1-0

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2021.07.04"]
[Round "8.5"]
[White "Guenthner, Oliver"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2173"]
[BlackElo "2067"]
[PlyCount "87"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Hockenheim II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. c3 d6 8. h3 0-0 9. 0-0 Na5 10. Bc2 c5 11. Re1 Re8 12. Nbd2 Nc6 13. Nf1 Bf8 14. Ng3 g6 15. Be3 h6 16. Qd2 Kh7 17. d4 Qc7 18. Rad1 Bb7 19. d5 Ne7 20. Nh2 Bg7 21. f4 Nd7 22. Nf3 Ng8 23. Rf1 exf4 24. Bxf4 Ne5 25. Nxe5 Bxe5 26. Qf2 f6 27. Ne2 Kg7 28. Rd3 Rf8 29. Rf3 Qe7 30. Qg3 Rae8 31. Nc1 Bxf4 32. Rxf4 g5 33. R4f2 Bc8 34. Qf3 Qf7 35. Ne2 f5 36. exf5 Nf6 37. Qg3 Qxd5 38. Nf4 Qc6 39. Ne6+ Bxe6 40. fxe6 d5 41. Qd3 Ne4 42. Rxf8 Rxf8 43. Rxf8 Kxf8 44. Qf3+ 1-0

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2020.03.08"]
[Round "7.4"]
[White "Farmani Anosheh, Yasha"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2171"]
[BlackElo "2067"]
[PlyCount "85"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Ladenburg"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Qc2 Ne4 6. Bg2 f5 7. 0-0 Bd6 8. Nc3 0-0 9. Bf4 Bxf4 10. gxf4 b6 11. Ne5 Bb7 12. Nxe4 dxe4 13. Rfd1 Nd7 14. f3 e3 15. Nxd7 Qxd7 16. Qd3 Ba6 17. b3 b5 18. c5 Bb7 19. Qxe3 a5 20. a3 Qf7 21. b4 a4 22. Qf2 Rad8 23. e3 Qf6 24. Kf1 Rf7 25. Ke2 Rfd7 26. Qg3 Kh8 27. Kf2 Bc8 28. h4 g6 29. h5 Rg7 30. Qg5 Rf8 31. Qxf6 Rxf6 32. Rh1 Bd7 33. hxg6 Rgxg6 34. Rag1 Kg7 35. Bf1 Rxg1 36. Rxg1+ Rg6 37. Rxg6+ hxg6 38. e4 Kf6 39. Ke3 Be8 40. Bd3 Ke7 41. Bb1 Bf7 42. Ba2 Kd7 43. d5 1-0

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2020.02.16"]
[Round "6.7"]
[White "Arlt, Reinhard"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2152"]
[BlackElo "2067"]
[PlyCount "45"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Karlsruhe II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qf6 6. d4 exd4 7. Bg5 Qg6 8. Qxd4 f6 9. Bf4 Bg4 10. Nbd2 c5 11. Qd5 c6 12. Qb3 Qf7 13. Qb6 Rd8 14. Rfe1 Rd7 15. e5 Be7 16. h3 Be6 17. Ne4 fxe5 18. Bxe5 Qg6 19. Bg3 Nf6 20. Ne5 Qf5 21. Nxf6+ gxf6 22. Nxd7 Bxd7 23. Bd6 1-0

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2020.02.02"]
[Round "5.7"]
[White "Maehrlein, Christoph"]
[Black "Schlager, Thomas"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2067"]
[BlackElo "2211"]
[PlyCount "94"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Pforzheim"]
[BlackTeam "Karlsruhe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. Nc3 Nf6 3. d4 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Nf3 c6 9. Qc2 Re8 10. 0-0 h6 11. Bxf6 Nxf6 12. Ne5 Ng4 13. Bh7+ Kf8 14. Nxf7 Kxf7 15. Bg6+ Kg8 16. Bxe8 Qxe8 17. h3 Nf6 18. Rae1 Bd6 19. f4 Qh5 20. e4 dxe4 21. Nxe4 Nxe4 22. Rxe4 Bf5 23. Qb3+ Qf7 24. Re3 Qxb3 25. Rxb3 b6 26. a3 Be6 27. Rc3 Bd5 28. f5 Re8 29. Rc2 Re4 30. f6 g5 31. f7+ Kg7 32. Rcf2 Rf4 33. f8Q+ Rxf8 34. Rxf8 Bxf8 35. g3 Bd6 36. Kf2 h5 37. Rc1 h4 38. g4 Kf6 39. b4 Bg3+ 40. Kf1 Ke6 41. Rc2 Kd6 42. Kg1 Be4 43. Rd2 Kd5 44. Rd1 Kc4 45. Kf1 Bd3+ 46. Kg2 Kxd4 47. Kf3 c5 0-1

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2020.01.12"]
[Round "4.7"]
[White "Kraeft, Klaus"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "E11"]
[BlackElo "2067"]
[PlyCount "36"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Lindenhof"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e6 2. d4 d5 3. cxd5 exd5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Nf6 7. Nc3 0-0 8. e3 b6 9. b4 Bb7 10. Be2 Nbd7 11. Rb1 Ne4 12. Qc2 f5 13. 0-0 c6 14. g3 Qe7 15. a4 a5 16. bxa5 Rxa5 17. Ne5 Nxe5 18. dxe5 Rc5 0-1

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2019.12.01"]
[Round "3.6"]
[White "Steinmacher, Josef"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2031"]
[BlackElo "2067"]
[PlyCount "148"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Bad Mergentheim II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 e6 3. e3 c6 4. c4 Bd6 5. Nc3 f5 6. Bd3 Nf6 7. 0-0 0-0 8. Qb3 Ne4 9. cxd5 exd5 10. Nxd5 cxd5 11. Qxd5+ Kh8 12. Bxe4 fxe4 13. Qxe4 Nc6 14. Bd2 Bf5 15. Qh4 Qxh4 16. Nxh4 Be4 17. g3 g5 18. Ng2 Rf7 19. Bc3 Kg8 20. Rad1 Bf3 21. Rd2 Raf8 22. Re1 Be4 23. f4 h6 24. d5 Nb4 25. a3 Nd3 26. Red1 Nc5 27. b4 Na4 28. Bd4 Rc8 29. Ne1 Nc3 30. Ra1 Nxd5 31. Rad1 gxf4 32. exf4 Bxf4 33. gxf4 Nxf4 34. Kf2 Nd5+ 35. Kg3 Kh7 36. Rf2 Rg8+ 37. Kh4 Nf4 38. Bxa7 Rg5 39. Rd4 Ng6+ 40. Kh3 Bf5+ 41. Rxf5 Rgxf5 42. Bb8 Rh5+ 43. Kg2 Nh4+ 44. Kg1 Rg5+ 45. Bg3 Nf5 46. Rd3 Nxg3 47. hxg3 Rgf5 48. Kg2 Rf2+ 49. Kh3 Rf1 50. Re3 Kg6 51. Nd3 R7f5 52. a4 Ra1 53. a5 Ra2 54. Re6+ Rf6 55. Re7 Ra3 56. Ne5+ Kf5 57. Ng4 Re6 58. Rxb7 h5 59. Rb5+ Kg6 60. Ne5+ Kf6 61. Nd7+ Ke7 62. Nc5 Ree3 63. Rb7+ Kf6 64. Kh4 Kg6 65. Rb6+ Kf5 66. Nd7 Rxg3 67. Rf6+ Ke4 68. Nc5+ Ke5 69. Re6+ Kf5 70. Rf6+ Kxf6 71. Ne4+ Kg6 72. Nxg3 Ra4 73. a6 Rxb4+ 74. Kh3 Ra4 0-1

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.24"]
[Round "7"]
[White "Maehrlein, Christoph"]
[Black "Englert, Jon"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2053"]
[BlackElo "2117"]
[PlyCount "34"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e4 Bg7 5. Be2 e6 6. d3 Nge7 7. Bg5 h6 8. Be3 Nd4 9. Qd2 Nec6 10. Rb1 Nxf3+ 11. Bxf3 d6 12. 0-0 e5 13. a3 Be6 14. b4 b6 15. Bd1 g5 16. Nd5 Rc8 17. f3 f6 1/2-1/2

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.24"]
[Round "6"]
[White "Schmitt, Carsten1"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1901"]
[BlackElo "2053"]
[PlyCount "70"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 c6 4. Nf3 dxc4 5. 0-0 b5 6. Qc2 Bb7 7. b3 cxb3 8. axb3 Nf6 9. Bb2 c5 10. d4 Nbd7 11. Qd3 Qb6 12. Nc3 a6 13. e4 cxd4 14. Nxd4 Bc5 15. Rad1 0-0 16. Nc2 Be7 17. Qe2 Rfd8 18. e5 Bxg2 19. Kxg2 Qc6+ 20. Kg1 Ne8 21. Rfe1 Rac8 22. Qg4 Qc7 23. Nd5 exd5 24. e6 f5 25. Qxf5 Ndf6 26. Nd4 Nd6 27. Qf3 Rf8 28. Rc1 Qb6 29. Rxc8 Rxc8 30. g4 Rf8 31. g5 Nfe4 32. Qh5 Nf5 33. g6 hxg6 34. Qxg6 Nxd4 35. Re3 Qxe6 0-1

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.23"]
[Round "4"]
[White "Lotz, Ralf"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1882"]
[BlackElo "2053"]
[PlyCount "64"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 c5 4. e3 Nc6 5. Bb2 d4 6. exd4 cxd4 7. d3 e5 8. Nbd2 Be7 9. Be2 Nf6 10. 0-0 0-0 11. a3 a5 12. Ne1 Bf5 13. f3 Bg6 14. f4 exf4 15. Rxf4 Bd6 16. Rf1 Qc7 17. g3 Rfe8 18. Ng2 Re7 19. Nf3 Rae8 20. Re1 Ng4 21. Nxd4 Bc5 22. Bxg4 Rxe1+ 23. Nxe1 Nxd4 24. Kg2 Rxe1 25. Qxe1 Qc6+ 26. Kh3 h5 27. Bd1 Bf5+ 28. g4 hxg4+ 29. Kg3 Nf3 30. Qh1 Qd6+ 31. Kg2 Qxd3 32. Qf1 Nh4+ 0-1

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.23"]
[Round "5"]
[White "Maehrlein, Christoph"]
[Black "Barzen, Pascal"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2053"]
[BlackElo "2312"]
[PlyCount "122"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. d3 d6 6. a3 Ba7 7. Nf3 Nf6 8. 0-0 h6 9. Nd5 0-0 10. b4 Nxd5 11. cxd5 Ne7 12. e4 f5 13. exf5 Bxf5 14. Nh4 Bd7 15. Be4 Bh3 16. Ng2 Qe8 17. Bb2 c6 18. dxc6 bxc6 19. d4 d5 20. Bf3 e4 21. Bg4 Bxg4 22. Qxg4 Nf5 23. Rad1 Nd6 24. Nf4 Nc4 25. Bc1 Qc8 26. Qh5 Qf5 27. Qxf5 Rxf5 28. Ng2 Rf3 29. Ne3 Nd6 30. Rfe1 Kf7 31. Ng4 Nc4 32. Ne3 Nxe3 33. Rxe3 Rxe3 34. Bxe3 Ke6 35. Rc1 Kd7 36. Kg2 Bb6 37. Rb1 h5 38. h3 Bc7 39. g4 g6 40. Rf1 a5 41. Rb1 axb4 42. axb4 Rb8 43. f3 Bd6 44. Bd2 Ra8 45. Rb2 Ra3 46. gxh5 Rxf3 47. h6 Rg3+ 48. Kf1 Rxh3 49. b5 cxb5 50. Rxb5 e3 51. Ba5 Rxh6 52. Rxd5 Ke6 53. Rg5 Bf4 54. d5+ Kd7 55. Rg4 g5 56. Be1 Rh3 57. Kg2 Rh2+ 58. Kf3 Rh1 59. Bg3 Rh3 60. Kg2 Rxg3+ 61. Rxg3 e2 0-1

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.22"]
[Round "3"]
[White "Maehrlein, Christoph"]
[Black "Farmani Anosheh, Yasha"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2053"]
[BlackElo "2182"]
[PlyCount "64"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 0-0 5. Bd3 d5 6. cxd5 exd5 7. Nf3 Re8 8. Qb3 Bd6 9. 0-0 b6 10. Nb5 Bf8 11. Ne5 c5 12. Qc2 c4 13. Bf5 a6 14. Nc3 b5 15. g4 b4 16. Ne2 g6 17. Bxc8 Qxc8 18. g5 Ne4 19. Ng3 Nxg3 20. hxg3 Nc6 21. f4 Nxe5 22. dxe5 Qh3 23. Qg2 Qxg2+ 24. Kxg2 c3 25. Rd1 Rec8 26. Kf3 a5 27. bxc3 bxc3 28. a4 Rab8 29. Ke2 c2 30. Rh1 Rb1 31. Bd2 Rcb8 32. Bc3 Rxh1 0-1

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.22"]
[Round "2"]
[White "Zuferi, Enis"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2290"]
[BlackElo "2053"]
[PlyCount "57"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 dxc4 5. e4 b5 6. Be2 Bb7 7. e5 Bxc3+ 8. bxc3 Ne7 9. a4 Nd5 10. Qc2 a6 11. 0-0 h6 12. Bd2 Nb6 13. Rfb1 Bc6 14. axb5 axb5 15. Rxa8 Nxa8 16. Bc1 0-0 17. Nd2 Nb6 18. Ne4 N8d7 19. Bf3 Nd5 20. Ra1 N7b6 21. Ng3 b4 22. Qe4 Ne7 23. Qg4 Bxf3 24. gxf3 Nf5 25. cxb4 Qxd4 26. Nxf5 Qxg4+ 27. fxg4 exf5 28. gxf5 Rd8 29. Be3 1/2-1/2

[Event "Heusenstamm Sparkassen op-A 6th"]
[Site "Heusenstamm"]
[Date "2019.11.21"]
[Round "1"]
[White "Maehrlein, Christoph"]
[Black "Tojcic, Josip"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2053"]
[BlackElo "1773"]
[PlyCount "57"]
[EventDate "2019.11.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 Nf6 3. Qa4+ Qd7 4. Qxd7+ Nbxd7 5. Nc3 Nb6 6. e4 g6 7. f3 a6 8. d4 Bg7 9. Bf4 Nfd7 10. 0-0-0 c6 11. dxc6 bxc6 12. Be3 0-0 13. Bd3 Rb8 14. Nge2 e5 15. b3 exd4 16. Bxd4 Bh6+ 17. f4 Rd8 18. Kc2 c5 19. Bf2 Bb7 20. Rhg1 Rbc8 21. Bc4 Nxc4 22. bxc4 Bf8 23. Bh4 f6 24. e5 Be7 25. Nd5 Kf7 26. Nec3 Bc6 27. e6+ Kxe6 28. Rge1+ Ne5 29. fxe5 1-0

[Event "Verbandsliga Nordbaden 1920"]
[Site "Baden"]
[Date "2019.11.10"]
[Round "2.7"]
[White "Schleissinger, Patrick"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "2067"]
[PlyCount "124"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Buchen II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. 0-0 0-0 7. Be3 Bxe3 8. fxe3 d5 9. exd5 Nxd5 10. Qe1 Nb6 11. Bb5 Qe7 12. Bxc6 bxc6 13. e4 Ba6 14. Qe3 Rfd8 15. Rd1 Na4 16. Rd2 Nc5 17. d4 exd4 18. Rxd4 Rxd4 19. Nxd4 Qxe4 20. Qxe4 Nxe4 21. Nxc6 Bb7 22. Na5 Rd8 23. Na3 Ba8 24. N5c4 a6 25. Nc2 g6 26. N2e3 Kg7 27. Rd1 Rxd1+ 28. Nxd1 Bd5 29. Nde3 Be6 30. a3 f5 31. Na5 f4 32. Nc2 c5 33. Kf1 g5 34. h3 h5 35. Ke2 g4 36. hxg4 hxg4 37. Ne1 Kf6 38. c4 Kg5 39. b4 Ng3+ 40. Kf2 Ne4+ 41. Ke2 Nd6 42. bxc5 Nxc4 43. Nxc4 Bxc4+ 44. Kf2 g3+ 45. Kf3 Bb5 46. Ke4 Bc6+ 47. Kd3 Kf5 48. Ke2 Bb5+ 49. Kd2 Ke4 50. Nf3 Kd5 51. Ng5 Bf1 52. c6 Kxc6 53. Ne6 f3 54. Nd4+ Kd5 55. Nxf3 Bxg2 56. Ng1 Bf1 57. Nf3 Ke4 58. Ng1 Bb5 59. Nh3 Kf3 60. Ke1 g2 61. Ng5+ Kg3 62. Ne4+ Kh2 0-1

[Event "Alsace-Baden"]
[Site "Selestat"]
[Date "2019.09.22"]
[Round "1.14"]
[White "Florijan, Rodolphe"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1937"]
[BlackElo "2067"]
[PlyCount "53"]
[EventDate "2019.09.22"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "FRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]
[WhiteTeam "Alsace"]
[BlackTeam "Baden"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 e6 3. e3 c6 4. Bd3 f5 5. c4 Nf6 6. Nbd2 Bd6 7. b3 Qe7 8. Bb2 0-0 9. 0-0 Ne4 10. Ne5 b6 11. f3 Nf6 12. e4 dxe4 13. fxe4 Bxe5 14. dxe5 Qc5+ 15. Kh1 Ng4 16. Qe2 Nd7 17. exf5 Ndxe5 18. Ne4 Qe7 19. f6 gxf6 20. Bxe5 Nxe5 21. Nxf6+ Rxf6 22. Qxe5 Rxf1+ 23. Rxf1 Qg7 24. Qd6 Bd7 25. h3 Rc8 26. Rf3 e5 27. Kh2 1-0

[Event "Baden-ch"]
[Site "Niefern"]
[Date "2019.07.28"]
[Round "7"]
[White "Maehrlein, Christoph"]
[Black "Schrems, Hermann"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2075"]
[BlackElo "2060"]
[PlyCount "97"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. e4 Nge7 7. d3 d6 8. 0-0 0-0 9. Bg5 h6 10. Be3 Nd4 11. Qd2 Kh7 12. Bxd4 cxd4 13. Nb5 Nc6 14. b4 a6 15. Na3 e5 16. Nc2 b5 17. a4 bxc4 18. dxc4 Be6 19. Qd3 Rb8 20. Rab1 Qc7 21. Nd2 Rfc8 22. f4 f5 23. Rfc1 Qf7 24. b5 Na5 25. Nb4 axb5 26. cxb5 exf4 27. Nc6 Nxc6 28. Rxc6 fxe4 29. Bxe4 Rxc6 30. bxc6 Rxb1+ 31. Qxb1 fxg3 32. hxg3 d5 33. Bd3 Be5 34. Kg2 Kg7 35. Qe1 Bc7 36. Nf3 Qf6 37. a5 Bg4 38. Nxd4 Be5 39. Be2 Bc8 40. Nf3 Bc3 41. Qg1 d4 42. Bb5 Qf5 43. Qf1 Bxa5 44. Qe2 Bb6 45. Qe7+ Qf7 46. Qxf7+ Kxf7 47. Ne5+ Kf6 48. Nd7+ Bxd7 49. cxd7 1/2-1/2

[Event "Baden-ch"]
[Site "Niefern"]
[Date "2019.07.27"]
[Round "6"]
[White "Buecker, Stefan"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2290"]
[BlackElo "2075"]
[PlyCount "71"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 a6 5. Bc4 e6 6. 0-0 Ne7 7. a4 b6 8. Re1 h6 9. h3 Bb7 10. Bf4 0-0 11. Qd2 Kh7 12. Rad1 Nd7 13. Qc1 Rc8 14. Ba2 Qe8 15. Nh2 Ra8 16. f3 g5 17. Bg3 e5 18. Ne2 f5 19. exf5 Nxf5 20. Bf2 e4 21. Nc3 Nf6 22. fxe4 Nxe4 23. Nxe4 Bxe4 24. Bd5 Bxd5 25. Rxe8 Raxe8 26. c4 Be4 27. d5 Be5 28. Nf1 Bf4 29. Qc3 Be5 30. Qb3 Nh4 31. Ne3 Nxg2 32. Nxg2 Rf3 33. Qb4 Rxh3 34. Re1 Bh2+ 35. Kh1 Bg3+ 36. Kg1 1/2-1/2

[Event "Baden-ch"]
[Site "Niefern"]
[Date "2019.07.26"]
[Round "4"]
[White "Maehrlein, Christoph"]
[Black "Leibbrand, Udo Manfred"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2075"]
[BlackElo "2036"]
[PlyCount "70"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 a6 6. 0-0 Nc6 7. Nc3 Rb8 8. e4 Be7 9. b3 Bb4 10. Ne2 cxb3 11. Qxb3 Be7 12. Qe3 0-0 13. Bb2 Na5 14. Rac1 b5 15. Ne5 Nd7 16. Rfd1 Nxe5 17. dxe5 Qe8 18. Rxc7 Rb7 19. Rxb7 Bxb7 20. Bc3 Nc4 21. Qa7 Qc8 22. Bd4 Qc7 23. Rc1 Ra8 24. Qb6 Qd7 25. Rxc4 bxc4 26. Nc3 Bc6 27. Be3 Qb7 28. a4 Qxb6 29. Bxb6 Bb4 30. Na2 Bd2 31. Bf1 c3 32. Ba5 Bxa4 33. Bxc3 Bxc3 34. Nxc3 Bc6 35. f3 a5 0-1

[Event "Baden-ch"]
[Site "Niefern"]
[Date "2019.07.26"]
[Round "3"]
[White "Trifan, Andrei Ioan"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2247"]
[BlackElo "2075"]
[PlyCount "63"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. e5 c5 8. Be4 Rb8 9. Ng5 cxd4 10. e6 Nc5 11. exf7+ Kf8 12. fxg8Q+ Kxg8 13. b4 Nxe4 14. Ncxe4 h6 15. Nf3 Bf5 16. Ng3 d3 17. Nxf5 Bxa1 18. N5h4 Qc7 19. Qxd3 Qc3+ 20. Ke2 Qxd3+ 21. Kxd3 Bf6 22. Nxg6 Rh7 23. h4 e6 24. Re1 Re8 25. g4 Rc7 26. Bd2 Kf7 27. h5 Rec8 28. g5 Bg7 29. f5 exf5 30. gxh6 Bc3 31. Ng5+ Kf6 32. Re6# 1-0

[Event "Baden-ch"]
[Site "Niefern"]
[Date "2019.07.25"]
[Round "2"]
[White "Maehrlein, Christoph"]
[Black "Kaufmann, Helmut"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2075"]
[BlackElo "1984"]
[PlyCount "96"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 c6 5. e4 d6 6. Nge2 Be6 7. d3 Ne7 8. Bg5 f6 9. Be3 0-0 10. 0-0 Na6 11. Qb3 b6 12. Qc2 Nc7 13. Rfd1 Qc8 14. Rac1 Rb8 15. b3 c5 16. Nd5 Ncxd5 17. cxd5 Bd7 18. Qd2 Qa6 19. f4 Kh8 20. Bf1 Qb7 21. Rb1 Qc8 22. Bg2 Bh3 23. Bh1 h5 24. Rdc1 Qd7 25. Nc3 Bh6 26. Nd1 Qe8 27. Nf2 Bd7 28. Bf3 Rg8 29. fxe5 Bxe3 30. Qxe3 Kg7 31. exf6+ Kxf6 32. Qf4+ Kg7 33. Qxd6 Rf8 34. Bg2 Ng8 35. e5 Bf5 36. e6 Rd8 37. Qe5+ Kh7 38. Ne4 Bxe4 39. dxe4 Qe7 40. Rf1 Nf6 41. Rbd1 Rd6 42. Qb2 Rdd8 43. e5 Ng4 44. Qe2 Qg5 45. Rxf8 Rxf8 46. d6 Rf2 47. Qxf2 Nxf2 48. Kxf2 Qf5+ 1-0

[Event "Baden-ch"]
[Site "Niefern"]
[Date "2019.07.24"]
[Round "1"]
[White "Ehmann, Thilo"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2291"]
[BlackElo "2075"]
[PlyCount "85"]
[EventDate "2019.07.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bd3 a6 5. 0-0 Nd7 6. Re1 e5 7. Bf1 Ne7 8. c4 0-0 9. Nc3 Nc6 10. Bg5 f6 11. Be3 exd4 12. Nxd4 Nde5 13. Nxc6 bxc6 14. h3 Be6 15. c5 Qb8 16. f4 Nd7 17. Qa4 Qb7 18. Bc4 Bf7 19. Bxf7+ Rxf7 20. Rad1 dxc5 21. Qc4 Nf8 22. Bxc5 Re8 23. b3 Ne6 24. Be3 f5 25. e5 g5 26. g3 gxf4 27. gxf4 Bh6 28. Kh2 Kh8 29. Rg1 c5 30. Rd5 Nd4 31. Rg3 Nb5 32. Rxc5 Rg7 33. Rxg7 Bxg7 34. Qd5 Qxd5 35. Nxd5 Bf8 36. Rc6 Rd8 37. Nf6 Be7 38. a4 Nd4 39. Rxc7 Bxf6 40. exf6 Nxb3 41. Rb7 Nd2 42. f7 Ne4 43. Bd4+ 1-0

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2019.05.05"]
[Round "9.4"]
[White "Maehrlein, Christoph"]
[Black "Oden, Edgar"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2075"]
[BlackElo "2008"]
[PlyCount "66"]
[EventDate "2018.10.14"]
[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 "Pforzheim"]
[BlackTeam "Bad Mergentheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 0-0 8. Bd3 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. f3 Nh5 12. Bxe7 Qxe7 13. e4 dxe4 14. fxe4 Bg4 15. Rf2 Nf6 16. Raf1 Bh5 17. Nf4 Bg6 18. Nxg6 fxg6 19. Qb3+ Kh8 20. e5 Ng4 21. Rf3 Ne6 22. Ne2 Rad8 23. Bc4 Nxd4 24. Nxd4 Qxe5 25. Rf4 Ne3 26. Ne6 Nxf1 27. Rxf1 Rd7 28. Qh3 Rde7 29. Kh1 b5 30. Nf4 Qf5 31. Bd3 Qxh3 32. Nxh3 Re3 33. Nf4 g5 0-1

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2019.03.31"]
[Round "8.4"]
[White "Gehrig, Matthias"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2078"]
[BlackElo "2075"]
[PlyCount "63"]
[EventDate "2018.10.14"]
[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 "Buchen II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 g6 5. Be3 Bg7 6. Qd2 a6 7. h3 Nf6 8. Nf3 b5 9. a3 Bb7 10. Be2 0-0 11. 0-0 Nbd7 12. Bf4 Qc6 13. Rfd1 Nb6 14. Ne1 Nbd5 15. Bf3 Rfd8 16. Be5 Qb6 17. Ne2 Nd7 18. Bxg7 Kxg7 19. Nd3 N5f6 20. Qe3 Bxf3 21. Qxf3 c5 22. dxc5 Nxc5 23. Qe3 Ncd7 24. Qf3 Rac8 25. Nc3 e5 26. Re1 e4 27. Nxe4 Rxc2 28. Nc3 Nc5 29. Nxc5 Qxc5 30. Re2 Rdd2 31. Rxd2 Rxd2 32. Qxf6+ 1-0

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2019.03.10"]
[Round "7.4"]
[White "Maehrlein, Christoph"]
[Black "Nadj, Christian"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2075"]
[BlackElo "2203"]
[PlyCount "82"]
[EventDate "2018.10.14"]
[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 "Pforzheim"]
[BlackTeam "Karlsruhe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. b3 Nf6 5. Bb2 c6 6. Nxe7 Qxe7 7. Nf3 d6 8. c5 e4 9. cxd6 Qxd6 10. Ne5 0-0 11. Nc4 Qe6 12. g3 Nbd7 13. Bg2 b6 14. 0-0 Ba6 15. Rc1 Rad8 16. Qc2 c5 17. d3 Bb7 18. dxe4 Bxe4 19. Bxe4 Nxe4 20. f3 Nd6 21. Nxd6 Qxd6 22. Rcd1 Qe6 23. e4 Ne5 24. f4 Nc6 25. Qe2 f6 26. f5 Qe7 27. Kg2 Rfe8 28. Kf3 Kf8 29. g4 Ne5+ 30. Bxe5 Qxe5 31. Rfe1 g5 32. fxg6 hxg6 33. Qe3 g5 34. Kg2 Rxd1 35. Rxd1 Qxe4+ 36. Qxe4 Rxe4 37. Kf3 Re7 38. Rd5 Kf7 39. h4 gxh4 40. Rh5 Kg6 41. Rxh4 Rh7 0-1

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2019.02.17"]
[Round "6.3"]
[White "Maehrlein, Christoph"]
[Black "Hamid, Emran"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2075"]
[BlackElo "2172"]
[PlyCount "127"]
[EventDate "2018.10.14"]
[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 "Pforzheim"]
[BlackTeam "Eppingen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 c5 3. e4 Nc6 4. Nge2 e6 5. d4 cxd4 6. Nxd4 Bb4 7. f3 0-0 8. Be3 d5 9. cxd5 exd5 10. Nxc6 bxc6 11. Be2 dxe4 12. 0-0 Bxc3 13. bxc3 Qe7 14. Qd4 Rd8 15. Qc5 Qxc5 16. Bxc5 Be6 17. Bd4 Nd7 18. fxe4 c5 19. Be3 Rab8 20. a4 Rb3 21. Rfc1 h6 22. Bd1 Rb2 23. Rcb1 Rdb8 24. Rxb2 Rxb2 25. a5 a6 26. Bf2 Rb5 27. Be2 c4 28. Bd4 Ne5 29. Bb6 Rb2 30. Kf1 Bg4 31. Bxg4 Nxg4 32. h3 Ne5 33. Bd4 Rb5 34. Ra4 Kf8 35. Kf2 Ke7 36. Ke3 Ke6 37. Bb6 Rb2 38. Bc7 Rxg2 39. Kd4 g5 40. Bxe5 Rd2+ 41. Kxc4 Kxe5 42. Kc5 h5 43. Rd4 Rb2 44. c4 g4 45. Rd5+ Kxe4 46. Rxh5 g3 47. Rg5 g2 48. Kd6 Rd2+ 49. Kc6 f5 50. c5 f4 51. Kb7 f3 52. c6 Rb2+ 53. Ka7 Rc2 54. Kb7 f2 55. Rxg2 f1Q 56. Rxc2 Qb1+ 57. Kc8 Qxc2 58. c7 Ke5 59. Kb7 Qb3+ 60. Ka7 Qc4 61. Kb7 Qb5+ 62. Ka7 Qc6 63. Kb8 Qb5+ 64. Ka7 1/2-1/2

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2019.01.27"]
[Round "5.4"]
[White "Maehrlein, Christoph"]
[Black "Elis, Volker"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2075"]
[BlackElo "2200"]
[PlyCount "62"]
[EventDate "2018.10.14"]
[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 "Pforzheim"]
[BlackTeam "Heidelberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Be2 0-0 6. Bg5 Na6 7. Qd2 e5 8. d5 Qe8 9. f3 Nd7 10. Nh3 Ndc5 11. Nf2 f5 12. exf5 gxf5 13. 0-0 Qg6 14. Be3 Nd7 15. f4 exf4 16. Bxf4 Ne5 17. Nb5 Bd7 18. Rac1 c6 19. Nd4 c5 20. Nf3 Bf6 21. Nd3 Rae8 22. a3 Kh8 23. b4 b6 24. Bg3 Rg8 25. Nf4 Qh6 26. b5 Nb8 27. Qc2 Bc8 28. Nxe5 Bxe5 29. Qd3 Bd4+ 30. Kh1 Re3 31. Qd2 Rexg3 0-1

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2019.01.13"]
[Round "4.3"]
[White "Maehrlein, Christoph"]
[Black "Jaeschke, Benno"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2075"]
[BlackElo "2121"]
[PlyCount "162"]
[EventDate "2018.10.14"]
[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 "Pforzheim"]
[BlackTeam "Sandhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nc6 3. e4 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 Be6 7. d3 Qd7 8. Nd5 Nd8 9. 0-0 c6 10. Ne3 Bh3 11. Bxh3 Qxh3 12. f4 Nf6 13. c5 dxc5 14. fxe5 Ng4 15. Nxg4 Qxg4 16. Be3 Bxe5 17. Bxc5 Bxb2 18. Rb1 Bg7 19. Rb4 b6 20. Bd6 c5 21. Rc4 Qd7 22. e5 Nb7 23. Re4 0-0-0 24. Qb3 Nxd6 25. exd6 Qxd6 26. Rxf7 Rd7 27. d4 Rhd8 28. dxc5 Qxc5+ 29. Kg2 Qc6 30. Qc4 Qxc4 31. Rxc4+ Kb7 32. Rf2 Rd2 33. a4 R8d7 34. Re4 Rc2 35. h4 Ka6 36. g4 Ka5 37. h5 gxh5 38. Rf5+ Rc5 39. Rxh5 Rxh5 40. gxh5 a6 41. Nc1 Rd2+ 42. Kf3 Rb2 43. Rg4 Bh6 44. Nd3 Rh2 45. Ne5 b5 46. Nc6+ Kb6 47. axb5 axb5 48. Nd4 Rxh5 49. Rg8 Kc5 50. Rd8 Kc4 51. Ne6 Re5 52. Nc7 b4 53. Na6 Be3 54. Rc8+ Bc5 55. Kf4 Rd5 56. Nxb4 Kxb4 57. Rb8+ Kc4 58. Rb7 h6 59. Rb1 Bb4 60. Ke4 Rd8 61. Rh1 Bd2 62. Rh5 Bg5 63. Rh1 Rd4+ 64. Kf3 Kd5 65. Re1 h5 66. Kg2 Rd2+ 67. Kf3 Rd3+ 68. Kg2 h4 69. Rh1 Ke4 70. Re1+ Kf4 71. Rf1+ Kg4 72. Rb1 Bf4 73. Rg1 Rd2+ 74. Kh1+ Kh3 75. Rg2 Rd3 76. Rh2+ Kg4 77. Rg2+ Bg3 78. Rg1 Rf3 79. Rd1 Kh3 80. Rg1 Bh2 81. Rg3+ Bxg3 0-1

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2018.12.02"]
[Round "3.4"]
[White "Farmani Anosheh, Yasha"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2147"]
[BlackElo "2075"]
[PlyCount "65"]
[EventDate "2018.10.14"]
[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 "Ladenburg"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 g6 5. Bc4 Bg7 6. Qf3 Nf6 7. Nge2 c6 8. h3 0-0 9. Bf4 Qd7 10. 0-0-0 b6 11. Rhe1 Bb7 12. g4 b5 13. Bd3 c5 14. Qe3 c4 15. Be4 b4 16. Bxb7 Qxb7 17. Na4 Nd5 18. Qf3 Nd7 19. Nc5 Nxc5 20. dxc5 Rad8 21. Qe4 c3 22. b3 Qa6 23. Rxd5 Qxa2 24. Kd1 Rxd5+ 25. Qxd5 Qa5 26. Nd4 Rd8 27. Bd6 exd6 28. Re7 Qa1+ 29. Ke2 Qa6+ 30. Kf3 Kh8 31. Kg2 Bf6 32. Rxf7 dxc5 33. Ne6 1-0

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2018.11.04"]
[Round "2.4"]
[White "Maehrlein, Christoph"]
[Black "Wuest, Hans Heiner"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2075"]
[BlackElo "2036"]
[PlyCount "76"]
[EventDate "2018.10.14"]
[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 "Pforzheim"]
[BlackTeam "Walldorf II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 c5 3. e4 Nc6 4. Nf3 e5 5. d3 d6 6. h3 Be7 7. a3 0-0 8. g3 a6 9. Bg2 Rb8 10. 0-0 b5 11. cxb5 axb5 12. b4 Bd7 13. Bb2 cxb4 14. axb4 Nxb4 15. d4 Nc6 16. d5 Na5 17. Nd2 Qb6 18. Kh2 Rfc8 19. f4 exf4 20. gxf4 Nc4 21. Nxc4 Rxc4 22. e5 dxe5 23. fxe5 Ng4+ 24. Kh1 Nf2+ 25. Rxf2 Qxf2 26. Ne2 Bg4 27. Bd4 Qh4 28. d6 Bd8 29. Ba7 Bxh3 30. Qb3 Bxg2+ 31. Kxg2 Rbc8 32. Qxb5 Rg4+ 33. Kf1 Qh1+ 34. Bg1 Qf3+ 35. Bf2 Bh4 36. Qb6 Rg2 37. d7 Rxf2+ 38. Qxf2 Qxf2# 0-1

[Event "Verbandsliga Nordbaden 1819"]
[Site "Baden"]
[Date "2018.10.14"]
[Round "1.4"]
[White "Grothe, Thomas"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2268"]
[BlackElo "2075"]
[PlyCount "57"]
[EventDate "2018.10.14"]
[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 "Ettlingen"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. Nc3 g6 3. d4 Bg7 4. Be3 Nc6 5. Nf3 Bg4 6. Bb5 a6 7. Bxc6+ bxc6 8. h3 Bxf3 9. Qxf3 Rb8 10. 0-0-0 Qc8 11. Rd3 c5 12. dxc5 Qb7 13. b3 Qb4 14. Nd5 Qa3+ 15. Kd2 Nf6 16. Nxc7+ Kf8 17. e5 Qb4+ 18. Ke2 dxe5 19. Rhd1 e4 20. Rd8+ Ne8 21. Qg3 e5 22. Qh4 f6 23. Nxa6 Qb5+ 24. c4 Qxa6 25. Rxb8 Qxa2+ 26. Rd2 Qa7 27. Rdd8 Qa2+ 28. Bd2 Ke7 29. Qxe4 1-0

[Event "Baden-Alsace"]
[Site "Karlsruhe"]
[Date "2018.09.16"]
[Round "1.22"]
[White "Maehrlein, Christoph"]
[Black "Baumgartner, Daniel"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2072"]
[BlackElo "1758"]
[PlyCount "101"]
[EventDate "2018.09.16"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Baden"]
[BlackTeam "Alsace"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "FRA"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 e6 5. Be3 a6 6. Qd2 b6 7. Nf3 h6 8. Be2 Bb7 9. 0-0 Nf6 10. d5 e5 11. h3 Nbd7 12. b4 Qe7 13. Rac1 Nxe4 14. Nxe4 f5 15. Nc3 f4 16. Qc2 fxe3 17. Qxg6+ Qf7 18. Qxf7+ Kxf7 19. fxe3 Bf6 20. Nh4 h5 21. Ne4 a5 22. b5 Rag8 23. Rf5 Kg7 24. Nxf6 Nxf6 25. Rcf1 Rf8 26. Rg5+ Kh7 27. Ng6 Kh6 28. Nxf8 Kxg5 29. h4+ Kh6 30. Rxf6+ Kg7 31. Rf5 Rxf8 32. Rxf8 Kxf8 33. Bxh5 Bc8 34. Be2 Bf5 35. g4 Be4 36. g5 Kg7 37. h5 Kh7 38. Kf2 Kg7 39. Ke1 Kf7 40. Kd2 Bb1 41. a3 Bf5 42. Bd3 Bg4 43. h6 Bh3 44. g6+ Kf6 45. Ke1 Bg4 46. g7 Kf7 47. Bg6+ Kg8 48. Kf2 Bh3 49. Kg3 Bf1 50. Kh4 Bxc4 51. Kg5 1-0

[Event "Baden-ch"]
[Site "Sasbach"]
[Date "2018.07.28"]
[Round "5"]
[White "Elms, Robert"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1851"]
[BlackElo "2099"]
[PlyCount "57"]
[EventDate "2018.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 a5 9. h3 Nb6 10. Ba2 exd4 11. Nxd4 d5 12. exd5 Nfxd5 13. Nxd5 Nxd5 14. Bxd5 cxd5 15. c3 Ra6 16. Qe2 Bd6 17. Nb5 Bb8 18. b3 Bxh3 19. gxh3 Qh4 20. Qf1 Rg6+ 21. Kh1 Rf6 22. f4 g5 23. Re2 g4 24. Nd4 Qg3 25. Qg2 Qxc3 26. Bb2 Qd3 27. Qxg4+ Rg6 28. Qf3 Qa6 29. Nf5 1-0

[Event "Baden-ch"]
[Site "Sasbach"]
[Date "2018.07.28"]
[Round "6"]
[White "Maehrlein, Christoph"]
[Black "Schneider, Michael"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2099"]
[BlackElo "2092"]
[PlyCount "94"]
[EventDate "2018.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. d4 0-0 8. 0-0 Nc6 9. e3 e5 10. d5 Na5 11. e4 c6 12. Bg5 f6 13. Be3 cxd5 14. exd5 Nac4 15. Bc5 Rf7 16. b3 Nd6 17. Re1 Bf8 18. a4 Bd7 19. Nd2 Nbc8 20. Nce4 b6 21. Ba3 Bf5 22. Nxd6 Nxd6 23. g4 Bc8 24. Rc1 Bb7 25. Rc6 Bxc6 26. dxc6 Rc7 27. Bd5+ Nf7 28. Nc4 Kg7 29. Bb2 Bb4 30. Re3 Bc5 31. Rd3 Qe7 32. h4 h6 33. h5 Rd8 34. Bxf7 Rxd3 35. Qxd3 Qxf7 36. b4 e4 37. Qxe4 Re7 38. Ne5 fxe5 39. bxc5 gxh5 40. Bxe5+ Kg8 41. c7 Re8 42. cxb6 axb6 43. gxh5 Qxh5 44. Qg2+ Qg5 45. Qxg5+ hxg5 46. Kg2 Kf7 47. Kf3 Rc8 1/2-1/2

[Event "Baden-ch"]
[Site "Sasbach"]
[Date "2018.07.27"]
[Round "3"]
[White "Hanisch, Joerg"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2097"]
[BlackElo "2099"]
[PlyCount "117"]
[EventDate "2018.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 a5 9. h3 exd4 10. Qxd4 Nc5 11. Bf4 Be6 12. Rad1 Ne8 13. Bf1 Qb6 14. b3 Rd8 15. Qe3 h6 16. Nd2 d5 17. exd5 cxd5 18. Nf3 Nf6 19. Nb5 Rd7 20. Nbd4 Nce4 21. Bb5 Rdd8 22. Nxe6 Qxe6 23. Nd4 Qb6 24. f3 g5 25. Be5 Nd6 26. Bd3 Rfe8 27. Qf2 Nd7 28. Bg3 Bf6 29. Rxe8+ Rxe8 30. Nb5 Nxb5 31. Qxb6 Nxb6 32. Bxb5 Rc8 33. Bd3 Bc3 34. Bf2 d4 35. Be4 Rc7 36. Kf1 Rd7 37. Ke2 Nd5 38. Bxd5 Rxd5 39. Kd3 b6 40. Be1 Rc5 41. Bd2 f5 42. Re1 Kf7 43. Re2 Bb2 44. Be1 Kf6 45. Re8 Re5 46. Rxe5 Kxe5 47. Bg3+ f4 48. Be1 Kd5 49. b4 b5 50. axb5 a4 51. b6 Kc6 52. Kc4 a3 53. Kb3 Kxb6 54. c4 dxc3 55. Bxc3 Bxc3 56. Kxc3 Kb5 57. Kb3 a2 58. Kxa2 Kxb4 59. Kb2 1/2-1/2

[Event "Baden-ch"]
[Site "Sasbach"]
[Date "2018.07.27"]
[Round "4"]
[White "Maehrlein, Christoph"]
[Black "Leibbrand, Udo Manfred"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2099"]
[BlackElo "2040"]
[PlyCount "83"]
[EventDate "2018.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Bb4 3. Nf3 Nf6 4. d4 b6 5. Qb3 c5 6. e3 Ne4 7. Be2 cxd4 8. exd4 Nxc3 9. bxc3 Be7 10. 0-0 Qc7 11. Ne5 Bb7 12. Bf4 d6 13. Nd3 Nd7 14. Rab1 Be4 15. f3 Bg6 16. Rbe1 0-0 17. Bg3 Rac8 18. Nf4 Bg5 19. Nxg6 hxg6 20. Bd3 e5 21. h4 Bf6 22. Bf2 d5 23. cxd5 exd4 24. cxd4 Qd6 25. Be4 Rc7 26. Rc1 Rxc1 27. Rxc1 Bxh4 28. Qc2 Bxf2+ 29. Kxf2 Nf6 30. Qc7 Rd8 31. Qxd6 Rxd6 32. Rc6 Ne8 33. Ke3 Kf8 34. Rc8 Ke7 35. Ra8 Rd7 36. d6+ Nxd6 37. g4 Rc7 38. Kd3 g5 39. Rh8 Ke6 40. Rh2 Rc1 41. Ba8 Rd1+ 42. Rd2 1/2-1/2

[Event "Baden-ch"]
[Site "Sasbach"]
[Date "2018.07.26"]
[Round "2"]
[White "Maehrlein, Christoph"]
[Black "Meier, Marlon"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2099"]
[BlackElo "1937"]
[PlyCount "129"]
[EventDate "2018.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. a3 e5 8. b4 cxb4 9. axb4 Bxb4 10. Nxe5 Bxc3 11. Nxc6 bxc6 12. dxc3 Qxd1+ 13. Kxd1 Bd7 14. Bf4 Nd5 15. Be5 0-0 16. Bd4 Rfb8 17. Kc2 a5 18. Rhd1 a4 19. e4 Nc7 20. Be5 Be6 21. c4 Rb7 22. Bxc7 Rxc7 23. Rxa4 Rb8 24. Rb4 Ra8 25. Rdb1 Kf8 26. Rb8+ Rxb8 27. Rxb8+ Ke7 28. Kc3 c5 29. e5 f6 30. Be4 h6 31. f4 fxe5 32. fxe5 Ra7 33. Rb7+ Rxb7 34. Bxb7 Bd7 35. Bd5 Ba4 36. Kd3 Bd1 37. Ke4 Bc2+ 38. Kf4 Bd3 39. h4 Bh7 40. g4 Bg6 41. g5 hxg5+ 42. hxg5 Bd3 43. Bg8 Bg6 44. Kg4 Bd3 45. Kh5 Bf5 46. Kh4 Bd3 47. Kg3 Bg6 48. Kf4 Bd3 49. Ke3 Bf5 50. Bd5 Bc2 51. Be4 Bb3 52. Bd3 Ke6 53. Kf4 Ba2 54. Bf1 Bb1 55. Bh3+ Ke7 56. Bf5 Ba2 57. Bd3 Ke6 58. Bh7 Kf7 59. Bd3 Ke6 60. Ke4 Bb3 61. Be2 Bc2+ 62. Kf4 Bb3 63. Bg4+ Ke7 64. Be2 Ke6 65. Bd3 1/2-1/2

[Event "Baden-ch"]
[Site "Sasbach"]
[Date "2018.07.25"]
[Round "1"]
[White "Trifan, Andrei Ioan"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2301"]
[BlackElo "2099"]
[PlyCount "125"]
[EventDate "2018.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 Be7 6. dxe5 dxe5 7. fxe5 Ng4 8. Bf4 g5 9. Nxg5 Ngxe5 10. Qh5 Nf6 11. Qe2 Nfg4 12. Nf3 Ng6 13. Bg3 c6 14. h3 Nf6 15. Nd2 Be6 16. 0-0-0 Qa5 17. e5 Nd5 18. Nc4 Bg5+ 19. Kb1 Nxc3+ 20. bxc3 Qxc3 21. Qe1 Qxe1 22. Rxe1 Bh4 23. Bxh4 Nxh4 24. Nd6+ Ke7 25. Re4 Ng6 26. Bd3 Bd5 27. Nf5+ Kd7 28. Re2 Rae8 29. c4 Be6 30. Rd1 Kc7 31. Rf1 Rd8 32. Kc2 Rhg8 33. Kc3 Rd7 34. Nd4 Nh4 35. g4 h5 36. Rf4 hxg4 37. Nxe6+ fxe6 38. hxg4 Rg5 39. Rh2 Ng6 40. Bxg6 Rxg6 41. c5 b5 42. Rd2 Rgg7 43. Rd6 a5 44. Kd3 Rxd6+ 45. cxd6+ Kb6 46. Rd4 Rd7 47. g5 c5 48. Rf4 Kc6 49. Ke4 b4 50. Rf8 a4 51. Rc8+ Kb6 52. Kd3 Rg7 53. Re8 Kc6 54. Rxe6 Rxg5 55. Re7 Rg3+ 56. Ke4 Rg4+ 57. Kf5 Rd4 58. Rc7+ Kb6 59. Rc8 Kb7 60. Rxc5 Kb6 61. Rc8 Kb7 62. Rc1 Rd2 63. e6 1-0

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.26"]
[Round "7"]
[White "Biriukov, Nikolai"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "E54"]
[WhiteElo "2393"]
[BlackElo "2035"]
[PlyCount "82"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. e3 Nf6 5. Nf3 c5 6. Bd3 dxc4 7. Bxc4 0-0 8. 0-0 cxd4 9. exd4 b6 10. Qe2 Bb7 11. Bg5 h6 12. Bh4 Nc6 13. Rad1 Be7 14. Ne5 Qc8 15. Ng6 Rd8 16. Nxe7+ Nxe7 17. Bxf6 gxf6 18. Bd3 f5 19. Qe3 Kg7 20. Be2 Ng6 21. Bf3 Bxf3 22. Qxf3 Qd7 23. Rfe1 Rac8 24. d5 e5 25. Ne2 Rc4 26. Ng3 Kf6 27. d6 f4 28. Ne4+ Kg7 29. g3 f5 30. Nc3 e4 31. Qh5 Rc5 32. Kh1 fxg3 33. fxg3 Qc6 34. Rf1 f4 35. Qe2 e3+ 36. Kg1 Rxd6 37. Rxd6 Qxd6 38. Ne4 Qd4 39. Nxc5 bxc5 40. Rd1 f3 41. Qd3 e2+ 0-1

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.26"]
[Round "6"]
[White "Schmitzer, Klaus"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2242"]
[BlackElo "2035"]
[PlyCount "82"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 g6 5. Nb5 Qb6 6. Bf4 Na6 7. Qe2 Bg7 8. 0-0-0 Bd7 9. Nf3 Nf6 10. Ne5 Be6 11. Nc4 Qc6 12. Na5 Qb6 13. Nc4 Qc6 14. c3 0-0 15. Nba3 Nd5 16. Bd2 Rab8 17. Na5 Qd7 18. Nb3 Nb6 19. Bf4 Nd5 20. Bd2 c6 21. Nc4 b5 22. Ne5 Qc8 23. h4 c5 24. h5 c4 25. Na1 b4 26. hxg6 hxg6 27. Qxc4 bxc3 28. Bxc3 Nxc3 29. Qxc3 Nb4 30. Kd2 Bxe5 31. dxe5 Rd8+ 32. Ke1 Qxc3+ 33. bxc3 Nxa2 34. Rxd8+ Rxd8 35. Nc2 Nxc3 36. Ne3 a5 37. f3 a4 38. Kf2 Nd1+ 39. Nxd1 Rxd1 40. Rh4 a3 41. Be2 Rc1 0-1

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.25"]
[Round "5"]
[White "Maehrlein, Christoph"]
[Black "Olesiak, Marcin"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2035"]
[BlackElo "2059"]
[PlyCount "99"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[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 Nc6 3. Nf3 f5 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. a3 a5 8. Nd5 d6 9. d4 e4 10. Nxe7+ Qxe7 11. Ng5 Bd7 12. Nh3 a4 13. e3 Na5 14. Qc2 b5 15. Nf4 Nxc4 16. Bd2 Qf7 17. Ne2 Nd5 18. Nc3 Nxc3 19. Bxc3 Be6 20. Rfe1 Nb6 21. Bb4 Bb3 22. Qc6 Nc4 23. f3 Qe8 24. Qxe8 Raxe8 25. fxe4 fxe4 26. Bc3 Bc2 27. Bh3 Re7 28. d5 Bd3 29. Bd4 Nd2 30. Bg4 Nf3+ 31. Bxf3 exf3 32. Kf2 Be4 33. Rad1 Rf5 34. Bc3 Bxd5 35. g4 Rg5 36. h4 Rge5 37. Bxe5 Rxe5 38. Rd4 c5 39. Rd2 Kf7 40. e4 Bxe4 41. Rxd6 Ke7 42. Rb6 c4 43. Kg3 Kd7 44. Ra6 g5 45. h5 Kc7 46. Rf6 b4 47. axb4 a3 48. bxa3 c3 49. Rxf3 c2 50. Rc3+ 1-0

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.25"]
[Round "4"]
[White "Maehrlein, Christoph"]
[Black "Solonar, Stefan"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "2035"]
[BlackElo "2315"]
[PlyCount "134"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 0-0 6. 0-0 d6 7. Nc3 Qe8 8. Nd5 Nxd5 9. cxd5 Qb5 10. Ng5 h6 11. Ne6 Bxe6 12. dxe6 Nc6 13. e3 Nd8 14. a4 Qc4 15. d5 c6 16. b3 Qxf1+ 17. Qxf1 Bxa1 18. e4 Bg7 19. Qd3 cxd5 20. exd5 Rc8 21. Bd2 b6 22. g4 Nb7 23. b4 a5 24. gxf5 axb4 25. f6 Rxf6 26. Bxb4 Rc1+ 27. Bf1 Rf4 28. Bd2 Rg4+ 29. Kh1 Ra1 30. Be3 Nc5 31. Qb5 Rgxa4 32. Kg2 Ra8 33. Qxb6 Rc8 34. Bb5 Rb1 35. Qa5 Kh7 36. Bc6 Ne4 37. Qa7 Bf6 38. Bd4 Bxd4 39. Qxd4 Nf6 40. Qd3 Rb4 41. Qa6 Rcb8 42. Qa7 Ng8 43. h3 Rf8 44. Qe3 Rb2 45. Ba4 Nf6 46. Qd4 Re2 47. Bd1 Re5 48. Bf3 Rf5 49. Kg3 Ng8 50. Bg4 Rxf2 51. Qxf2 Rxf2 52. Kxf2 Kg7 53. Ke3 Kf6 54. Kf4 h5 55. Bf3 g5+ 56. Kg3 Kg6 57. Be4+ Kf6 58. h4 Ke5 59. Bg6 gxh4+ 60. Kxh4 Nf6 61. Kg5 Kxd5 62. Bf5 Kc5 63. Bh3 d5 64. Kg6 d4 65. Kf7 Nd5 66. Bg2 Nf4 67. Kxe7 Nxe6 0-1

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.24"]
[Round "3"]
[White "Jahncke, Giso"]
[Black "Maehrlein, Christoph"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2352"]
[BlackElo "2035"]
[PlyCount "85"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 c6 4. Bg2 Bd6 5. 0-0 f5 6. c4 Nf6 7. Nc3 Ne4 8. Qc2 0-0 9. Rb1 Nd7 10. b4 Ndf6 11. b5 Nxc3 12. Qxc3 Bd7 13. bxc6 Bxc6 14. Nd2 Qe7 15. c5 Bc7 16. f4 Rfc8 17. Ba3 Qe8 18. Rb2 b5 19. cxb6 axb6 20. Bb4 Bb5 21. Qe3 Ne4 22. Nxe4 dxe4 23. Rc1 Bd8 24. Rbc2 Bf6 25. Qd2 Rxc2 26. Rxc2 Qd7 27. e3 Bd3 28. Rc3 Rc8 29. Bf1 Bxf1 30. Kxf1 Qb5+ 31. Qe2 Qxe2+ 32. Kxe2 Rxc3 33. Bxc3 Kf7 34. a4 Ke7 35. Bb4+ Kd7 36. Kd2 Kc6 37. Kc3 g5 38. h3 gxf4 39. gxf4 Bh4 40. Kc4 Bf2 41. Bd2 h5 42. Kb4 Bh4 43. Kc4 1/2-1/2

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.24"]
[Round "2"]
[White "Maehrlein, Christoph"]
[Black "Wolf, Ulrich Martin"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2035"]
[BlackElo "2189"]
[PlyCount "55"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 d6 7. d4 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Na6 11. Bf4 Ne8 12. b3 Qf6 13. Rac1 h6 14. Qd2 g5 15. Be3 Qg6 16. Nd4 Bd7 17. f4 Nf6 18. fxg5 Ng4 19. gxh6 Nxe3 20. hxg7 Rfe8 21. Rf4 Nxg2 22. Kxg2 Nc5 23. Rcf1 Ne4 24. Nxe4 fxe4 25. Nf5 Bxf5 26. Rxf5 Rad8 27. Qf4 Rd7 28. Rg5 1-0

[Event "Heusenstamm Sparkassen op-A 4th"]
[Site "Heusenstamm"]
[Date "2017.11.23"]
[Round "1"]
[White "Seepe, Uwe"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1662"]
[BlackElo "2035"]
[PlyCount "82"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 c6 4. Bd3 f5 5. b3 Nf6 6. 0-0 b6 7. c4 Bd6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 0-0 11. Ne5 Bb7 12. Ne1 Nbd7 13. Nxd7 Nxd7 14. cxd5 cxd5 15. Bb5 Nf6 16. Bd3 Rac8 17. Nf3 Qa3 18. Qd2 Ba6 19. Bxa6 Qxa6 20. Rfc1 Qa3 21. Rc2 Ne4 22. Qc1 Qa6 23. Ne5 Rxc2 24. Qxc2 Rc8 25. Nc6 Kf8 26. Rc1 Qb7 27. f3 Nd6 28. a4 a5 29. g4 Rc7 30. Kf2 Qc8 31. Ke2 g6 32. Kd1 fxg4 33. fxg4 Kg7 34. h3 Ne4 35. Ke1 Qe8 36. Kd1 Qf8 37. Qe2 Qa3 38. Qc2 Qd6 39. Ke1 Qg3+ 40. Ke2 Qf2+ 41. Kd3 Rxc6 0-1

[Event "Alsace-Baden"]
[Site "Strasbourg"]
[Date "2017.09.10"]
[Round "22"]
[White "Khachatryan, Michel"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2023"]
[BlackElo "2025"]
[PlyCount "41"]
[EventDate "2017.09.10"]
[EventType "team-match"]
[EventRounds "1"]
[EventCountry "FRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]
[WhiteTeam "Alsace"]
[BlackTeam "Baden"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 g6 5. d4 Bg7 6. Be2 Nc6 7. Nb5 Qd8 8. Bf4 e5 9. Nxe5 Nxe5 10. dxe5 Be6 11. Qxd8+ Kxd8 12. 0-0-0+ Kc8 13. Bg5 f6 14. Bh4 a5 15. Kb1 a4 16. Rd2 g5 17. Rhd1 Ne7 18. exf6 Bxf6 19. Bg3 Ra5 20. Nxc7 Bf5 21. Nb5 1-0

[Event "Baden-ch op"]
[Site "Walldorf"]
[Date "2017.07.29"]
[Round "6"]
[White "Engel, Berthold"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2177"]
[BlackElo "2039"]
[PlyCount "74"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 Nf6 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Be7 8. Qc2 0-0 9. Nge2 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. Ng3 f5 14. Rfe1 Qg5 15. f4 Qg6 16. Nf1 Qf6 17. Nd2 Nxd2 18. Qxd2 Bd7 19. Ne2 Re7 20. Kh1 g5 21. fxg5 Qxg5 22. Nf4 Rae8 23. Re2 Kh8 24. Rf1 Ng6 25. g3 Qg4 26. Ng2 c5 27. Ref2 cxd4 28. exd4 Qxd4 29. Bxf5 Qxd2 30. Rxd2 Rf8 31. g4 Ref7 32. Ne3 Nh4 33. Rfd1 d4 34. Rxd4 Bc6+ 35. Nd5 Nxf5 36. gxf5 Rxf5 37. Kg1 Rg8+ 0-1

[Event "Baden-ch op"]
[Site "Walldorf"]
[Date "2017.07.29"]
[Round "7"]
[White "Maehrlein, Christoph"]
[Black "Buschle, Lukas"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2039"]
[BlackElo "2071"]
[PlyCount "68"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 e5 7. d3 Nge7 8. a3 0-0 9. Rb1 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. e4 Nc7 14. b4 cxb4 15. axb4 b6 16. Be3 Nd4 17. Bxd4 exd4 18. Ne2 a4 19. Na3 b5 20. Qd2 Qd7 21. f4 Rac8 22. f5 gxf5 23. Nf4 fxe4 24. Bxe4 f5 25. Bb7 Rb8 26. Qg2 Bb3 27. Rbc1 Ne6 28. Bc6 Nxf4 29. Bxd7 Nxg2 30. Kxg2 Rf7 31. Bxf5 Bf8 32. Nc2 Bh6 33. Rce1 Rxf5 34. Rxf5 Bxc2 0-1

[Event "Baden-ch op"]
[Site "Walldorf"]
[Date "2017.07.28"]
[Round "5"]
[White "Maehrlein, Christoph"]
[Black "Hautmann, Thomas"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2039"]
[BlackElo "2087"]
[PlyCount "93"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 Nc6 7. a3 Re8 8. Rb1 e5 9. d3 d6 10. b4 cxb4 11. axb4 a5 12. b5 Nb4 13. Ba3 d5 14. Bxb4 axb4 15. Nxd5 Nxd5 16. cxd5 Bf8 17. Nd2 Bd7 18. d6 Bxd6 19. Bxb7 Rb8 20. Bc6 Bxc6 21. bxc6 Qc7 22. Qa4 Ra8 23. Qb3 Qxc6 24. Rfc1 Qb7 25. Ne4 Be7 26. Nc5 Bxc5 27. Rxc5 e4 28. Qc4 exd3 29. exd3 Qf3 30. Qd5 Qxd5 31. Rxd5 Rab8 32. Rb3 Re7 33. Rd4 Reb7 34. h4 f5 35. Kg2 Kf7 36. Kf3 Ke6 37. Kf4 h6 38. f3 g5+ 39. hxg5 hxg5+ 40. Ke3 Ke5 41. f4+ gxf4+ 42. Rxf4 Ke6 43. Rh4 Ke5 44. Rc4 Kd5 45. Kf4 Rg7 46. Kf3 Rbg8 47. Rcxb4 1/2-1/2

[Event "Baden-ch op"]
[Site "Walldorf"]
[Date "2017.07.28"]
[Round "4"]
[White "Pfatteicher, Lukas"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2201"]
[BlackElo "2039"]
[PlyCount "53"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Na6 9. Ba5 b6 10. Qd6 Ne7 11. Rd1 f6 12. Bc3 Kf7 13. f3 Qf5 14. Nh3 e5 15. f4 Qe4 16. Nf2 Qxf4 17. Nd3 Qh4+ 18. g3 Qe4 19. 0-0 Bf5 20. Bh5+ g6 21. Nxe5+ fxe5 22. Bxe5 Qe3+ 23. Kg2 Rhg8 24. Rxf5+ Nxf5 25. Qf6+ Ke8 26. Qxc6+ Kf7 27. Rd7+ 1-0

[Event "Baden-ch op"]
[Site "Walldorf"]
[Date "2017.07.27"]
[Round "2"]
[White "Feil, Stephan"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2108"]
[BlackElo "2039"]
[PlyCount "67"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nc6 4. Nf3 Bg4 5. Be2 0-0-0 6. Be3 e5 7. Nc3 Bb4 8. 0-0 Bxc3 9. bxc3 Bxf3 10. Bxf3 e4 11. Be2 f5 12. Qc1 Na5 13. Rb1 b6 14. Qa3 Qd6 15. Qa4 c6 16. g3 Ne7 17. c4 Ng6 18. c5 Qc7 19. d5 b5 20. Bxb5 Rxd5 21. Ba6+ Kd7 22. Rfd1 Ke6 23. Rxd5 cxd5 24. Bd2 Nc6 25. Rb7 Qc8 26. Rxg7 Qe8 27. Bb5 Nge5 28. Be2 Qf8 29. Bh6 Qxc5 30. Bg5 Qc3 31. Kg2 Nf3 32. Rc7 Nxg5 33. Rxc6+ Ke5 34. Rxc3 1-0

[Event "Baden-ch op"]
[Site "Walldorf"]
[Date "2017.07.26"]
[Round "1"]
[White "Maehrlein, Christoph"]
[Black "Scherer, Ralf"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2039"]
[BlackElo "2191"]
[PlyCount "50"]
[EventDate "2017.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 e5 5. Be3 exd4 6. Bxd4 Nf6 7. Nd5 0-0 8. Nxf6+ Bxf6 9. Ne2 Re8 10. Bxf6 Qxf6 11. Nc3 Bd7 12. Be2 Bc6 13. 0-0 Nd7 14. Bf3 Nc5 15. Qd2 a5 16. b3 Re7 17. Rab1 b6 18. Bd1 Ne6 19. Bc2 Nf4 20. g3 Qxc3 21. Qxf4 Qxc2 22. Qf6 Re6 23. Qd4 Qxa2 24. c5 dxc5 25. Qc4 Qd2 0-1

[Event "Verbandsliga Nordbaden 1617"]
[Site "Baden"]
[Date "2017.05.14"]
[Round "9.5"]
[White "Martin, Stefan"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2208"]
[BlackElo "2074"]
[PlyCount "114"]
[EventDate "2016.10.09"]
[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 "Viernheim II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Bd6 5. Bd3 f5 6. 0-0 Nf6 7. b3 Qe7 8. Bb2 0-0 9. Qc1 b6 10. Ba3 Bb7 11. Bxd6 Qxd6 12. Qa3 c5 13. Nbd2 Ne4 14. dxc5 bxc5 15. Rfd1 Qe7 16. Rac1 Nd7 17. cxd5 exd5 18. Bb5 Ndf6 19. h3 a6 20. Be2 Rae8 21. Nf1 g5 22. Ne1 g4 23. f3 gxh3 24. fxe4 Nxe4 25. Bf3 Qh4 26. Qb2 h2+ 27. Nxh2 Re6 28. Bxe4 fxe4 29. Rc2 Rh6 30. g3 Qg5 31. Qc1 d4 32. Rg2 d3 33. Qd2 Bc8 34. g4 Rh3 35. Nxd3 exd3 36. Qxd3 Rxe3 37. Qc4+ Be6 38. Qc1 Qe5 39. Nf1 Re4 40. Ng3 Rxg4 41. Re1 Qd4+ 42. Qe3 Bd5 43. Rf2 Rxf2 44. Kxf2 Rf4+ 45. Kg1 Rf3 46. Qxd4 Rxg3+ 47. Kf2 Rf3+ 48. Ke2 cxd4 49. Rc1 Re3+ 50. Kd2 h5 51. Rc5 Bf3 52. Ra5 Be2 53. Rd5 Re4 54. a4 h4 55. b4 d3 56. b5 Rxa4 57. b6 Rb4 0-1

[Event "Verbandsliga Nordbaden 1617"]
[Site "Baden"]
[Date "2017.04.02"]
[Round "8.4"]
[White "Steinmacher, Josef"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2053"]
[BlackElo "2074"]
[PlyCount "136"]
[EventDate "2016.10.09"]
[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 "Bad Mergentheim II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 e6 3. e3 Bd6 4. Bd3 f5 5. c4 c6 6. 0-0 Nf6 7. b3 Qe7 8. Bb2 b6 9. Nbd2 0-0 10. Rc1 Ne4 11. Ne5 Bxe5 12. dxe5 Bb7 13. Nb1 Nd7 14. f3 Nec5 15. Be2 Rad8 16. b4 Na6 17. cxd5 exd5 18. b5 cxb5 19. Qd4 Nac5 20. Bxb5 Ne6 21. Qd2 Ndc5 22. Bd4 f4 23. Rfe1 fxe3 24. Qxe3 Rf4 25. Rcd1 Rxd4 26. Rxd4 Nxd4 27. Qxd4 Ne6 28. Qf2 Qb4 29. Bf1 Rc8 30. Bd3 g6 31. h4 Nf4 32. Bf1 Ne6 33. Bd3 d4 34. h5 Nf4 35. Bf1 Nxh5 36. Rd1 Rd8 37. Qh4 Re8 38. Qxd4 Qxd4+ 39. Rxd4 Rxe5 40. Rd7 Bc6 41. Rc7 Rc5 42. Nd2 Bd5 43. Rxa7 Rc2 44. Nb3 Ng3 45. Bd3 Rc3 46. Bb5 Nf5 47. Rd7 Ne3 48. Nd4 Bxa2 49. Rb7 Rc1+ 50. Kf2 Nd5 51. Ra7 Nc3 52. Bd7 Bd5 53. Ne6 Rc2+ 54. Ke3 Re2+ 55. Kd3 Bxe6 56. Bxe6+ Rxe6 57. Kxc3 Re2 58. Kd4 Rxg2 59. Rb7 Re2 60. Rxb6 Kf7 61. f4 h5 62. f5 g5 63. Rh6 h4 64. Rg6 Rg2 65. Ke5 h3 66. Rh6 Re2+ 67. Kd4 g4 68. Rh4 h2 0-1

[Event "Verbandsliga Nordbaden 1617"]
[Site "Baden"]
[Date "2017.03.12"]
[Round "7.5"]
[White "De Silva, Joel Niels"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2047"]
[BlackElo "2074"]
[PlyCount "41"]
[EventDate "2016.10.09"]
[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 "Hockenheim II"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Nd2 b6 4. g3 Bb7 5. Bg2 Nf6 6. Ne2 Be7 7. 0-0 c5 8. e5 Ng4 9. Nf3 Nc6 10. Bf4 g5 11. Bd2 Ngxe5 12. Nxe5 Nxe5 13. f4 gxf4 14. Nxf4 Ng6 15. Bc3 0-0 16. Qh5 Bd6 17. Qh6 d4 18. Nh5 Be5 19. Bd2 Qe7 20. Bxb7 Qxb7 21. Rf6 1-0

[Event "Verbandsliga Nordbaden 1617"]
[Site "Baden"]
[Date "2017.02.12"]
[Round "6.5"]
[White "Maehrlein, Christoph"]
[Black "Bay, Nicolai"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2074"]
[BlackElo "1977"]
[PlyCount "107"]
[EventDate "2016.10.09"]
[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 "Pforzheim"]
[BlackTeam "Eppingen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. Nf3 Nc6 7. 0-0 e5 8. Be3 Re8 9. d5 Ne7 10. c5 Ng4 11. cxd6 cxd6 12. Bg5 f5 13. Nd2 Nf6 14. exf5 Bxf5 15. g4 Bd7 16. Nde4 Nxe4 17. Nxe4 Qb6 18. Qd2 Nc8 19. Be3 Qd8 20. Rac1 b5 21. Rc2 Rf8 22. Qc1 h5 23. Bh6 hxg4 24. Bxg7 Kxg7 25. Rc7 Rf7 26. Ng5 Re7 27. Bxb5 Bf5 28. Rc3 Nb6 29. Bc6 Rc8 30. Qe3 Kg8 31. f3 gxf3 32. Qxf3 Rg7 33. Qg2 Qe7 34. a4 Nd7 35. Ne6 Bxe6 36. dxe6 Nf6 37. Rcf3 Rxc6 38. Rxf6 Rc7 39. Qf3 Rc8 40. Qg4 Rc7 41. Rf7 Qe8 42. R7f6 Qe7 43. Qf3 Rc8 44. Qd5 Re8 45. R1f3 Rc8 46. Qd3 Rc7 47. Qb3 Rc8 48. Kg2 Kh7 49. Rf7 Qg5+ 50. Rg3 Qd2+ 51. Rf2 Qd4 52. Rh3+ Kg8 53. e7+ d5 54. Rh8+ 1-0

[Event "Verbandsliga Nordbaden 1617"]
[Site "Baden"]
[Date "2017.01.29"]
[Round "5.4"]
[White "Richter, Georg"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2176"]
[BlackElo "2074"]
[PlyCount "81"]
[EventDate "2016.10.09"]
[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 "Heidelberg"]
[BlackTeam "Pforzheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 c6 6. 0-0 Bg4 7. b4 Qc7 8. a4 e6 9. b5 Nbd7 10. a5 Bb4 11. a6 Bxc3 12. axb7 Qxb7 13. dxc3 c5 14. c4 0-0 15. Bb2 a6 16. Qd6 axb5 17. Rxa8 Rxa8 18. cxb5 Qb8 19. Qxb8+ Rxb8 20. c4 Kf8 21. h3 Bf5 22. Ra1 Be4 23. Ne5 Ra8 24. Rxa8+ Bxa8 25. Nc6 Ne8 26. Na5 Ke7 27. Ba3 Kd6 28. Nb3 Nc7 29. f4 Be4 30. Kf2 Na8 31. Ke3 Bxg2 32. Nxc5 Nxc5 33. Kd4 f6 34. Bxc5+ Kc7 35. Bf8 Nb6 36. Bxg7 Nd7 37. c5 Bxh3 38. Bf3 e5+ 39. fxe5 fxe5+ 40. Bxe5+ Nxe5 41. b6+ 1-0

[Event "Verbandsliga Nordbaden 1617"]
[Site "Baden"]
[Date "2016.12.11"]
[Round "4.4"]
[White "Maehrlein, Christoph"]
[Black "Khalil, Alaa El Din"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2074"]
[PlyCount "101"]
[EventDate "2016.10.09"]
[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 "Pforzheim"]
[BlackTeam "Karlsruhe II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nb6 7. Bb3 Nc6 8. Nf3 Nd4 9. Nxd4 Qxd4 10. d3 Bg4 11. Ne2 Qe5 12. f3 Be6 13. Bc2 g6 14. Bd2 f6 15. d4 Qd6 16. 0-0 Nd5 17. Nc3 f5 18. Re1 Bg7 19. Nxd5 Bxd5 20. Ba4+ Kf7 21. Bc3 e6 22. Qd2 a6 23. Bb4 Qb6 24. Bc5 Qd8 25. Bb4 Bc6 26. Bb3 Qxd4+ 27. Qxd4 Bxd4+ 28. Kh1 Rhe8 29. Re2 Rad8 30. Rd1 Bf6 31. Rc1 Rd7 32. Ba5 Bd5 33. Rd1 Rc8 34. Bb6 Rg8 35. Ba4 Rd6 36. Bc7 Rdd8 37. Bxd8 Bxd8 38. Bd7 Bb6 39. Rxd5 exd5 40. Be6+ Kg7 41. Bxg8 Kxg8 42. Re7 f4 43. g3 Be3 44. Rxb7 d4 45. Kg2 g5 46. Kf1 d3 47. Rd7 d2 48. Ke2 Bg1 49. gxf4 Bxh2 50. fxg5 Bf4 51. Rxd2 1-0

[Event "Heusenstamm Sparkassen op-A 3rd"]
[Site "Heusenstamm"]
[Date "2016.11.27"]
[Round "4"]
[White "Bernhart, Joseph"]
[Black "Maehrlein, Christoph"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1945"]
[BlackElo "2074"]
[PlyCount "100"]
[EventDate "2016.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. e3 e6 4. c3 Bd6 5. Bg3 f5 6. Nd2 Nf6 7. Ngf3 b6 8. Ne5 Bb7 9. Bh4 0-0 10. Bd3 Nbd7 11. f4 Qe8 12. Qe2 a6 13. h3 c5 14. g4 Ne4 15. gxf5 exf5 16. Rg1 Ndf6 17. Qg2 g6 18. Ndf3 Ra7 19. Bg5 Nxg5 20. Qxg5 Ne4 21. Qh6 Rf6 22. h4 Bf8 23. Qh5 Kh8 24. Nxg6+ Rxg6 25. Qxf5 Rxg1+ 26. Nxg1 Bg7 27. h5 Bc8 28. Qxd5 Nf6 29. Qf3 Re7 30. Kd2 Bb7 31. Qh3 Qxh5 32. Qxh5 Nxh5 33. Ne2 Bf6 34. Rf1 Bh4 35. b4 Nf6 36. bxc5 bxc5 37. Bf5 Ne4+ 38. Kd3 c4+ 39. Kc2 Nd6 40. Bh3 Rxe3 41. Bg4 Be4+ 42. Kd2 Rd3+ 43. Kc1 Nb5 44. Be6 Nxc3 45. Ng1 Nxa2+ 46. Kb2 Rd2+ 47. Ka3 Be7+ 48. Ka4 Bb4 49. Bxc4 Bc6+ 50. Kb3 a5 0-1

[Event "Heusenstamm Sparkassen op-A 3rd"]
[Site "Heusenstamm"]
[Date "2016.11.27"]
[Round "5"]
[White "Maehrlein, Christoph"]
[Black "Jordake, Michael"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2074"]
[BlackElo "1802"]
[PlyCount "57"]
[EventDate "2016.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 c6 4. Bg2 Be7 5. d4 d5 6. Nf3 Nbd7 7. b3 Rb8 8. 0-0 0-0 9. Bf4 Ra8 10. Qc2 Nh5 11. Bd2 f5 12. Ne1 Nhf6 13. Nd3 Ne4 14. f3 Nxd2 15. Qxd2 Bg5 16. e3 dxc4 17. bxc4 Nb6 18. Ne5 Bf6 19. Qe2 Qd6 20. c5 Qc7 21. cxb6 axb6 22. f4 Be7 23. Rfc1 Qd6 24. a4 Qd8 25. Qc4 Rf6 26. Rd1 Qe8 27. e4 c5 28. d5 Kh8 29. d6 1-0

[Event "Heusenstamm Sparkassen op-A 3rd"]
[Site "Heusenstamm"]
[Date "2016.11.27"]
[Round "7"]
[White "Maehrlein, Christoph"]
[Black "Khudovekov, Maxim"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2074"]
[BlackElo "1908"]
[PlyCount "61"]
[EventDate "2016.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 c6 8. Qd3 Na6 9. a3 Qe8 10. e4 e5 11. dxe5 dxe5 12. Nh4 Nc5 13. Qc2 f4 14. gxf4 exf4 15. Bxf4 Nfxe4 16. Bg3 Nxg3 17. hxg3 g5 18. Rae1 Qh5 19. Bf3 Rxf3 20. Nxf3 Qxf3 21. Re8+ Bf8 22. Re3 Qf7 23. Re5 Bh3 24. Rxg5+ Kh8 25. Qd1 Bxf1 26. Qxf1 Ne6 27. Re5 Nd4 28. Re4 Nf3+ 29. Kg2 Nd2 30. Qd3 Nxe4 31. Nxe4 0-1

[Event "Heusenstamm Sparkassen op-A 3rd"]
[Site "Heusenstamm"]
[Date "2016.11.27"]
[Round "3"]
[White "Maehrlein, Christoph"]
[Black "Schubert, Wolfgang"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2074"]
[BlackElo "1845"]
[PlyCount "141"]
[EventDate "2016.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Qxd5 5. Nc3 Qd8 6. Bc4 e6 7. d4 Nf6 8. Nf3 Be7 9. 0-0 0-0 10. Qe2 Re8 11. Rd1 a6 12. Bb3 Nc6 13. d5 exd5 14. Nxd5 Bd6 15. Nxf6+ gxf6 16. Be3 Qe7 17. Qd3 Bc7 18. Bc2 f5 19. Bg5 Qf8 20. Qd2 Qg7 21. Ba4 Be6 22. Rac1 Rac8 23. Bxc6 bxc6 24. b3 Bd5 25. Nh4 f6 26. Bf4 Qg4 27. Bxc7 Rxc7 28. g3 Rg7 29. Qh6 f4 30. Rd4 Qe6 31. Rxd5 Qxd5 32. Qxf4 Rge7 33. Ng2 Re6 34. Ne3 Qg5 35. Qc4 Kh8 36. Qc3 h5 37. h4 Qg6 38. Ng2 Qf5 39. Nf4 Rd6 40. Qf3 Qg4 41. Kg2 Kh7 42. Qc3 Rg8 43. Qb4 Rgd8 44. Rxc6 Qd7 45. Rc5 Rd4 46. Qc3 Qb7+ 47. Qf3 Qxf3+ 48. Kxf3 Rd2 49. Rxh5+ Kg8 50. Ra5 R8d6 51. g4 Rc2 52. Nd5 Rb2 53. h5 Kf7 54. Kg3 Rc6 55. Ne3 Rd2 56. Rf5 Kg7 57. Ra5 Re6 58. Rc5 Rd7 59. Nf5+ Kh7 60. Rc8 Rf7 61. Nh4 Rd7 62. Ng6 Rd3+ 63. f3 Red6 64. Rc7+ Kg8 65. Re7 Rd7 66. Re8+ Kg7 67. Re6 R3d6 68. Re4 Rd4 69. Re8 Rd8 70. Re7+ Kg8 71. h6 1-0

[Event "Heusenstamm Sparkassen op-A 3rd"]
[Site "Heusenstamm"]
[Date "2016.11.27"]
[Round "6"]
[White "Schmitzer, Klaus"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2285"]
[BlackElo "2074"]
[PlyCount "81"]
[EventDate "2016.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. h3 Nc6 6. Nf3 Bf5 7. d3 Ne5 8. Bb5+ Ned7 9. 0-0 c6 10. Bc4 e6 11. Qe2 Be7 12. Bd2 Qc7 13. Nd4 Bg6 14. Bxe6 0-0 15. Bb3 Rfe8 16. Qf3 Ne5 17. Qd1 Bh5 18. Nde2 Bc5 19. Bf4 Bd6 20. Qd2 Qd7 21. Bxe5 Bxe5 22. Nf4 Qf5 23. Nxh5 Qxh5 24. Rae1 Rad8 25. f4 Bd4+ 26. Kh1 Qh4 27. Ne4 Ng4 28. Rf3 Kf8 29. c3 Bb6 30. Re2 h6 31. d4 f5 32. Ng3 Rxe2 33. Qxe2 Re8 34. Qc4 Re1+ 35. Nf1 Qf6 36. hxg4 fxg4 37. Re3 Rxf1+ 38. Qxf1 Qh4+ 39. Kg1 g3 40. Qf3 Qh2+ 41. Kf1 1-0

[Event "Heusenstamm Sparkassen op-A 3rd"]
[Site "Heusenstamm"]
[Date "2016.11.25"]
[Round "2"]
[White "Paskalutsa, Vladimir"]
[Black "Maehrlein, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1868"]
[BlackElo "2074"]
[PlyCount "109"]
[EventDate "2016.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. h3 e6 8. Nh4 Bg6 9. Nxg6 hxg6 10. Bd3 Qc7 11. Qf3 Nbd7 12. Ne2 e5 13. c3 0-0-0 14. 0-0 Bd6 15. b4 Rh4 16. Ng3 exd4 17. Bg5 Ne5 18. Qe2 Rhh8 19. Be4 Nxe4 20. Nxe4 d3 21. Qe3 f6 22. Nxf6 gxf6 23. Bxf6 Kb8 24. f4 Nf7 25. Bxd8 Rxd8 26. Rad1 c5 27. Rxd3 cxb4 28. cxb4 Bxb4 29. Rxd8+ Nxd8 30. Qe8 Qb6+ 31. Kh1 Qf6 32. Qe4 Bd6 33. g4 g5 34. f5 Qb2 35. Qg2 Qxg2+ 36. Kxg2 Nf7 37. Kf3 Kc7 38. Ke4 Kd7 39. Kd5 b5 40. Re1 Nd8 41. f6 b4 42. h4 Nf7 43. Re6 Bc5 44. hxg5 Nxg5 45. Re5 Nf7 46. Rh5 Be3 47. Ke4 Bg5 48. Kf5 a5 49. Rxg5 Nxg5 50. Kxg5 Ke8 51. Kh6 Kf7 52. g5 a4 53. g6+ Kg8 54. f7+ Kf8 55. g7+ 1-0

