[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.06.06"]
[Round "10"]
[White "Brenig, Florian"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "A06"]
[PlyCount "69"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d3 d5 3. g3 Bg4 4. Bg2 e6 5. Nc3 Nf6 6. 0-0 Bc5 7. Bg5 h6 8. Bxf6 Qxf6 9. a3 Nd4 10. Nxd4 Bxd4 11. Nb5 Bb6 12. h3 Bh5 13. Rb1 a6 14. Nc3 Qg5 15. Kh2 c6 16. f4 Qf6 17. Bf3 Bxf3 18. Rxf3 h5 19. e4 g5 20. fxg5 Qxg5 21. exd5 cxd5 22. Qc1 Qxc1 23. Rxc1 Rg8 24. Rcf1 Rg7 25. Ne2 Bc7 26. Kg2 Ke7 27. Nf4 Bxf4 28. Rxf4 Rag8 29. R4f3 f5 30. h4 Rg4 31. Kh3 Kf6 32. c3 b5 33. b4 Rc8 34. d4 Rcg8 35. Re3 1/2-1/2

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.05.09"]
[Round "9"]
[White "Mergen, Jan T"]
[Black "Wiltschut, Jan"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "115"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Be3 Nf6 5. Nf3 Bd6 6. Nc3 Bf5 7. h3 0-0 8. Bd3 Bxd3 9. Qxd3 Re8 10. 0-0 c6 11. Bg5 Nbd7 12. Rfe1 Qc7 13. Re2 Rxe2 14. Qxe2 Re8 15. Qd3 Bf4 16. Bxf4 Qxf4 17. Qd2 Qd6 18. a3 Nb6 19. Re1 Re7 20. Rxe7 Qxe7 21. Qe1 Qd7 22. b3 Nc8 23. Qe5 Qd6 24. Qxd6 Nxd6 25. Ne5 Nf5 26. Ne2 Ne4 27. Kf1 Ned6 28. a4 f6 29. Nd3 Ne4 30. f3 Neg3+ 31. Nxg3 Nxg3+ 32. Kf2 Nf5 33. c3 a5 34. Nc5 b6 35. Nd7 b5 36. Nb8 Ne7 37. Ke3 Kf7 38. Kd3 Ke6 39. c4 bxc4+ 40. bxc4 Kd6 41. cxd5 Nxd5 42. Na6 Nf4+ 43. Kc4 Nxg2 44. Nc5 Ne3+ 45. Kd3 Nd1 46. Nb7+ Kc7 47. Nxa5 Nb2+ 48. Ke4 Nxa4 49. Kf5 Kd7 50. Nxc6 Kxc6 51. Ke6 Nc3 52. Kf7 Nd5 53. Kxg7 h5 54. Kg6 Nf4+ 55. Kxf6 Nxh3 56. Kf5 Ng1 57. Kg5 Nxf3+ 58. Kxh5 1/2-1/2

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.04.25"]
[Round "8"]
[White "Mergen, Jan T"]
[Black "Volkhausen, Daniel"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "88"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. Nc3 d6 8. h3 0-0 9. Be3 Bb7 10. Qd2 Na5 11. Bd5 b4 12. Ne2 Bxd5 13. exd5 Nxd5 14. Ng3 Nc6 15. Nf5 Bf6 16. 0-0 Re8 17. Rfe1 e4 18. N3d4 Nxd4 19. Bxd4 Bxd4 20. Nxd4 c5 21. dxe4 Nf6 22. Nf5 Nxe4 23. Qd1 Qf6 24. Qg4 d5 25. Re2 Nd6 26. Nxd6 Qxd6 27. Rae1 Qc6 28. Qf3 Kf8 29. Qd3 Rxe2 30. Rxe2 g6 31. Qf3 Re8 32. Rxe8+ Kxe8 33. Qe3+ Kd7 34. Qe5 Qe6 35. Qb8 Qd6 36. Qa7+ Ke6 37. Qb7 h5 38. Qc8+ Kf6 39. Qh8+ Ke7 40. Qa8 Qe6 41. Qb7+ Kf6 42. Qb8 Qe1+ 43. Kh2 Qe5+ 44. Kg1 Qxb8 0-1

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.02.28"]
[Round "7"]
[White "Kruemmel, Pascal"]
[Black "Mergen, Jan T"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "120"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. 0-0 d6 7. Re1 Bg4 8. Be3 Bxe3 9. Rxe3 0-0 10. d4 exd4 11. cxd4 Bxf3 12. Rxf3 Nxe4 13. Re3 Nf6 14. Nc3 Re8 15. Qb3 Rf8 16. Rd1 Na5 17. Qb5 Nxc4 18. Qxc4 Qd7 19. Qb5 Qxb5 20. Nxb5 Nd5 21. Re2 a6 22. Nc3 Nxc3 23. bxc3 Rfe8 24. Rde1 Kf8 25. g3 Rxe2 26. Rxe2 Re8 27. Rb2 b5 28. a4 bxa4 29. Ra2 Re1+ 30. Kg2 Rc1 31. Rxa4 Rxc3 32. Rxa6 Rd3 33. Ra7 Rxd4 34. Rxc7 Ke8 35. Rc8+ Ke7 36. Rg8 Rg4 37. h3 Rg6 38. h4 d5 39. f3 d4 40. g4 h5 41. g5 f6 42. f4 fxg5 43. fxg5 d3 44. Kf2 d2 45. Ke2 Rd6 46. Kd1 Kf7 47. Rc8 Ke6 48. Rf8 Ke5 49. Rf7 g6 50. Rf2 Rd4 51. Rf6 Rxh4 52. Rxg6 Rd4 53. Rh6 h4 54. g6 Kf6 55. Rh8 Kxg6 56. Rg8+ Kf5 57. Rg2 Kf4 58. Rf2+ Kg3 59. Rxd2 Rxd2+ 60. Kxd2 Kg2 0-1

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.01.24"]
[Round "6"]
[White "Mergen, Jan T"]
[Black "Neugebauer, Tobias"]
[Result "0-1"]
[ECO "C77"]
[PlyCount "80"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. Bxc6+ bxc6 7. h3 Bb7 8. 0-0 Be7 9. Re1 0-0 10. Bg5 c5 11. Nc3 Re8 12. Qd2 Nh5 13. Bxe7 Qxe7 14. Rad1 Nf4 15. Ne2 Nxe2+ 16. Qxe2 Rf8 17. Nh2 f5 18. exf5 Rxf5 19. Qe3 Raf8 20. Rd2 Qf7 21. a3 Qg6 22. g3 Rh5 23. g4 Rhf5 24. Qg3 Rf4 25. Re3 h5 26. gxh5 Qxh5 27. b3 R8f6 28. Kf1 Rg6 29. Ng4 Rgxg4 30. hxg4 Rxg4 31. Qh3 Qxh3+ 32. Rxh3 Bg2+ 33. Kg1 Bxh3+ 34. Kh2 Rh4 35. Kg3 Rh6 36. f3 Bd7 37. f4 Rh3+ 38. Kg2 exf4 39. Rf2 f3+ 40. Kg1 Rg3+ 0-1

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1998.12.06"]
[Round "5"]
[White "Mergen, Jan T"]
[Black "Lackner, Stefan"]
[Result "1/2-1/2"]
[ECO "B94"]
[PlyCount "128"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Rb1 b5 8. a3 Bb7 9. Bd3 e6 10. 0-0 Be7 11. Re1 h6 12. Bh4 0-0 13. Nf3 Qc7 14. Qe2 Rac8 15. Bg3 e5 16. Rbd1 Nc5 17. Bh4 Rfe8 18. Rc1 Nxd3 19. Qxd3 Qc4 20. Bxf6 Bxf6 21. Qxd6 Rcd8 22. Qb6 Rd7 23. h3 Red8 24. Qe3 a5 25. Nh2 Bg5 26. Qf3 Bxc1 27. Rxc1 b4 28. axb4 axb4 29. Nd1 Qxe4 30. Qxe4 Bxe4 31. Ne3 Rd2 32. Nhf1 R2d6 33. Ng3 Bb7 34. Nc4 Re6 35. c3 bxc3 36. bxc3 Rc8 37. Ne3 Rd6 38. c4 Ba6 39. Ne4 Rdc6 40. c5 Bd3 41. Nd6 Rxd6 42. Ng4 f6 43. Ne3 Rdc6 44. Rd1 Be4 45. Nc4 Rxc5 46. Nd6 Rc1 47. Rxc1 Rxc1+ 48. Kh2 Bd5 49. Kg3 g5 50. Nf5 h5 51. Ne7+ Kg7 52. Nxd5 Rd1 53. Ne7 Kf7 54. Nf5 Rd7 55. h4 Kg6 56. Ne3 Rd4 57. hxg5 Kxg5 58. f3 f5 59. Kf2 e4 60. fxe4 Rxe4 61. g3 Rxe3 62. Kxe3 Kg4 63. Kf2 f4 64. gxf4 Kxf4 1/2-1/2

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1998.11.15"]
[Round "4"]
[White "Iounoussov, Maksim"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "97"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. Bb3 d5 7. Nbd2 Bg4 8. 0-0 0-0 9. Re1 Bxf3 10. Qxf3 d4 11. Nf1 Qd7 12. Bc2 dxc3 13. bxc3 Qg4 14. Qxg4 Nxg4 15. Be3 Nxe3 16. Nxe3 Bxe3 17. fxe3 Ne7 18. d4 Ng6 19. g3 Rad8 20. Rab1 b6 21. h4 Rfe8 22. Kf2 Rd6 23. Ke2 exd4 24. exd4 f5 25. e5 c5 26. Kf3 Rdd8 27. Bxf5 Rf8 28. Ke4 Ne7 29. Be6+ Kh8 30. Rf1 cxd4 31. cxd4 Nc6 32. d5 Na5 33. d6 Nb7 34. Rf7 Nc5+ 35. Kd5 Rfe8 36. Bg4 Kg8 37. Rbf1 Nd3 38. R1f5 Nb4+ 39. Kc4 Nc6 40. e6 Rxd6 41. Rd5 Rxd5 42. Kxd5 Nb4+ 43. Kd6 Rb8 44. Rxa7 Nd3 45. e7 Nc5 46. Be6+ Nxe6 47. Kxe6 b5 48. Rd7 Rb6+ 49. Rd6 1/2-1/2

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1998.09.06"]
[Round "1"]
[White "Mergen, Jan T"]
[Black "Briskorn, Andre"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "84"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. Be3 Bd6 6. h3 Bh5 7. Be2 Ne7 8. Nh4 Bg6 9. Nxg6 hxg6 10. Bd3 Nd7 11. Qe2 c6 12. Bg5 Nf8 13. Bxe7 Qxe7 14. Qxe7+ Bxe7 15. Nd2 Ne6 16. Nf3 Bf6 17. c3 Nf4 18. Bf1 g5 19. Rg1 Kd7 20. 0-0-0 Rae8 21. Bd3 Re7 22. Nh2 g6 23. Ng4 Bg7 24. Nh2 f5 25. f3 Re3 26. Kc2 Rhe8 27. a3 Bf8 28. Nf1 Re1 29. Rxe1 Rxe1 30. Kd2 Nxd3 31. Kxd3 Bd6 32. Kd2 Rb1 33. Kc2 Re1 34. Kd2 Re8 35. Ne3 Bf4 36. Re1 Bxe3+ 37. Rxe3 f4 38. Rxe8 Kxe8 39. Ke2 Kf7 40. Kf2 Kf6 41. g3 Kf5 42. Kg2 b6 1/2-1/2

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "3"]
[White "Dec, Paul"]
[Black "Mergen, Jan T"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "106"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 Bb4 7. Qd3 Qe7 8. Bd2 0-0 9. 0-0-0 Ng4 10. Qg3 d6 11. h3 Ne5 12. f4 Nd7 13. Qf3 Bb7 14. g4 Rfe8 15. Re1 c5 16. Bg2 Nb6 17. Qd3 Bc6 18. Nd5 Bxd2+ 19. Qxd2 Bxd5 20. exd5 Qf6 21. c3 Re7 22. g5 Rxe1+ 23. Rxe1 Qd8 24. f5 Qf8 25. g6 fxg6 26. fxg6 hxg6 27. Re6 Qf7 28. Be4 Qf1+ 29. Kc2 Rf8 30. Bxg6 Qxh3 31. Qe2 Qg3 32. Qe4 Qf2+ 33. Kb3 c4+ 34. Ka3 Qc5+ 35. b4 cxb3+ 36. Kxb3 Qb5+ 37. Kc2 Rf2+ 38. Kd1 Qf1+ 39. Qe1 Qxe1+ 40. Kxe1 Rf8 41. Be4 Kf7 42. Bg6+ Kg8 43. Be4 Na4 44. c4 Nc5 45. Re7 Nxe4 46. Rxe4 Kf7 47. Ke2 Re8 48. Rxe8 Kxe8 49. Kf3 Kf7 50. Kg4 Kf6 51. Kh5 Kf5 52. a4 g5 53. a5 a6 0-1

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Fadavian, Marius"]
[Black "Mergen, Jan T"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "105"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d6 3. e4 Bg4 4. Be3 Nf6 5. Nbd2 e5 6. d5 Ne7 7. h3 Bh5 8. c3 c6 9. Qb3 Bxf3 10. gxf3 Qc7 11. 0-0-0 g6 12. h4 Bg7 13. Kb1 0-0 14. c4 a6 15. Bb6 Qd7 16. Bh3 Qe8 17. Bc7 cxd5 18. cxd5 b5 19. Bxd6 Nh5 20. Rc1 Nf4 21. Qa3 Bf6 22. Rc7 Nxh3 23. Rxh3 Rc8 24. Rxe7 Bxe7 25. Bxe7 Qd7 26. Rg3 Qc7 27. Qc5 Qxc5 28. Bxc5 Rxc5 29. b4 Rc3 30. Kb2 Rfc8 31. Nb3 Rc2+ 32. Kb1 Rxf2 33. h5 Rcc2 34. d6 Rc6 35. d7 Rd6 36. Nc5 Rf1+ 37. Kb2 Rd4 38. hxg6 hxg6 39. Rg5 Rxb4+ 40. Kc3 Rc4+ 41. Kd2 Rd4+ 42. Ke2 Rfd1 43. Rxe5 Kg7 44. Re7 Rc1 45. Nb3 Rc2+ 46. Ke3 Rd6 47. e5 Rd1 48. Nd4 Rc3+ 49. Ke4 Re1+ 50. Kf4 g5+ 51. Kf5 g4 52. d8Q gxf3 53. Ne6+ 1-0

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Finke, Tobias"]
[Black "Mergen, Jan T"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "134"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 h6 6. Be3 Bb4 7. a3 Bxc3+ 8. bxc3 d6 9. Nd2 0-0 10. d4 Re8 11. Bb3 Ng4 12. Qf3 Qf6 13. Qxf6 Nxf6 14. 0-0 Ng4 15. h3 Nxe3 16. fxe3 Be6 17. Rf3 b6 18. Raf1 Bxb3 19. cxb3 Re7 20. Nc4 Rf8 21. Rf5 exd4 22. exd4 Rxe4 23. Kf2 f6 24. Re1 Rxe1 25. Kxe1 Re8+ 26. Kd2 Ne7 27. Rf3 Nd5 28. Ne3 Nxe3 29. Rxe3 Rxe3 30. Kxe3 Kf7 31. Ke4 Ke7 32. Kd5 Kd7 33. Ke4 g6 34. g4 c6 35. h4 Ke6 36. h5 gxh5 37. gxh5 f5+ 38. Kf4 Kf6 39. c4 c5 40. dxc5 dxc5 41. b4 a6 42. Kf3 Kg5 43. b5 a5 44. Kg3 Kxh5 45. Kf4 Kg6 46. Ke5 h5 47. Kd6 h4 48. Kc6 h3 49. Kxb6 h2 50. Kc7 h1Q 51. b6 Qh7+ 52. Kc6 Qe7 53. b7 Qe6+ 54. Kxc5 Qe8 55. Kb6 Qb8 56. c5 Qd8+ 57. Ka7 Qc7 58. Ka8 Qc6 59. Ka7 Qxc5+ 60. Ka6 Qc7 61. Ka7 f4 62. Ka8 f3 63. b8Q Qxb8+ 64. Kxb8 f2 65. Kb7 f1Q 66. Kb6 Qf5 67. Ka6 Qd5 0-1

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Gorka, Christiane"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "27"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 h6 6. Be3 Bxe3 7. fxe3 d6 8. Qe2 Na5 9. Bb3 Nxb3 10. axb3 Be6 11. 0-0 0-0 12. d4 exd4 13. exd4 Re8 14. Qd3 1/2-1/2

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "5"]
[White "Hagendorf, Christian"]
[Black "Mergen, Jan T"]
[Result "1-0"]
[ECO "D64"]
[PlyCount "105"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c6 7. Rc1 0-0 8. Qc2 h6 9. Bh4 Ne8 10. Bxe7 Qxe7 11. Bd3 Nef6 12. 0-0 a6 13. a3 Re8 14. Rfd1 dxc4 15. Bxc4 e5 16. dxe5 Nxe5 17. Be2 Nxf3+ 18. Bxf3 Bg4 19. Qe2 Bxf3 20. Qxf3 Rad8 21. h3 Rxd1+ 22. Rxd1 Rd8 23. Kf1 Rxd1+ 24. Qxd1 Qd7 25. Qc2 Nd5 26. Na4 Nf6 27. Nc5 Qd5 28. a4 b6 29. Nxa6 Qa5 30. Nb8 c5 31. Nc6 Qa6+ 32. Kg1 Qa8 33. Ne5 Qa5 34. Nc4 Qa8 35. Nxb6 Qc6 36. Nc4 Nd7 37. b3 Qc7 38. Qd3 Qb7 39. Nd6 Qc7 40. Nb5 Qc6 41. Qd6 Qxd6 42. Nxd6 Kf8 43. Kf1 Ke7 44. Ne4 Ke6 45. Ke2 Kd5 46. Nc3+ Kc6 47. f4 Kb6 48. Kd3 Ka5 49. Nd5 Nb8 50. Kc4 Na6 51. e4 f6 52. e5 fxe5 53. fxe5 1-0

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "5"]
[White "Karmann, Alexander"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "91"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 Be6 10. 0-0 a6 11. d4 exd4 12. cxd4 Ba7 13. Ne3 Bxc4 14. Nxc4 0-0 15. Rc1 d5 16. exd5 Qxd5 17. Qb3 b5 18. Na5 Qxb3 19. Nxb3 Nb4 20. Rxc7 Nxa2 21. Re1 Bb6 22. Rc6 Rab8 23. Rd6 Rfd8 24. Rxd8+ Rxd8 25. Re7 Nb4 26. Rb7 Rd6 27. Rb8+ Kh7 28. Kf1 Nc2 29. Ra8 Nxd4 30. Nbxd4 Bxd4 31. Nxd4 Rxd4 32. Rxa6 Rb4 33. Ra7 f6 34. Ra2 Kg6 35. Ke2 Kf5 36. Ke3 Ke5 37. g3 Rb3+ 38. Kd2 Kd4 39. f4 g5 40. fxg5 hxg5 41. Kc2 Rf3 42. Ra6 Rf2+ 43. Kb3 Rxh2 44. Rxf6 Rh3 45. Rf3 Ke5 46. Kb4 1/2-1/2

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Georg, Wolfgang"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "112"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 h6 6. 0-0 d6 7. h3 Be6 8. Bxe6 fxe6 9. Re1 Bd4 10. Bd2 Qd7 11. a3 0-0-0 12. Rb1 d5 13. Nxd4 exd4 14. exd5 Nxd5 15. Nxd5 Qxd5 16. Qg4 Rde8 17. Qe4 Qxe4 18. Rxe4 e5 19. Rbe1 g5 20. c3 Kd7 21. b4 a6 22. f3 Rhg8 23. Kf2 Re7 24. cxd4 exd4 25. Rxe7+ Nxe7 26. Bc1 b6 27. Bb2 c5 28. bxc5 bxc5 29. Re5 Kd6 30. Re1 Ng6 31. g3 Ne5 32. Rd1 Rf8 33. Kg2 Rxf3 34. a4 Rxd3 35. Rxd3 Nxd3 36. Ba3 Kd5 37. Kf3 Ne5+ 38. Ke2 h5 39. Bc1 g4 40. hxg4 hxg4 41. Kd2 c4 42. Ke2 Nf3 43. Kf2 Ne5 44. Ke2 Ke4 45. Kd2 Kf3 46. Ba3 Kxg3 47. Bd6 Kf4 48. Bc5 Nf3+ 49. Ke2 d3+ 50. Kd1 g3 51. Bd6+ Ne5 52. Kd2 g2 53. Bc5 Nf3+ 54. Kc3 g1Q 55. Bxg1 Nxg1 56. Kxc4 d2 0-1

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Heger, Lars"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "46"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. d3 f5 6. exf5 Bxf5 7. h3 Nf6 8. 0-0 Be7 9. Nh4 Be6 10. Re1 0-0 11. Nf3 Qe8 12. Nc3 Qg6 13. Nh4 Qe8 14. Bd2 Nd5 15. Nxd5 Bxd5 16. Qg4 Bxh4 17. Qxh4 Rf6 18. Qg3 Rg6 19. Qe3 Rxg2+ 20. Kf1 Qg6 21. Ke2 Qh5+ 22. Kf1 Rf8 23. Re2 Qg6 0-1

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Jennrich, R."]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "101"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Qe2 Nf6 6. Qxe7+ Bxe7 7. Bc4 Nc6 8. c3 d5 9. Bb5 Bd7 10. d4 0-0 11. 0-0 a6 12. Ba4 b5 13. Bb3 Bg4 14. Ne5 Nxe5 15. dxe5 Nd7 16. Bxd5 Rad8 17. Re1 Rfe8 18. Bf4 Bf6 19. h3 Bxe5 20. Bxe5 Nxe5 21. hxg4 Rxd5 22. Na3 Rdd8 23. f3 Nd3 24. Rxe8+ Rxe8 25. b4 h6 26. Rd1 Re3 27. Rd2 Nxb4 28. Nxb5 axb5 29. cxb4 Re1+ 30. Kh2 Rb1 31. a3 Rb3 32. Ra2 Kh7 33. Kg3 g5 34. Kf2 Kg6 35. Ke2 f5 36. gxf5+ Kxf5 37. Kd2 Kf4 38. Kc2 Re3 39. Kd2 h5 40. Ra1 h4 41. a4 c6 42. axb5 cxb5 43. Ra5 h3 44. gxh3 Rxf3 45. Rxb5 Rxh3 46. Rc5 g4 47. b5 g3 48. b6 g2 49. b7 Rb3 50. Rc4+ Ke5 51. Rg4 1/2-1/2

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Schwede, Eike"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "71"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Bf5 6. c3 e6 7. Qe2 Be7 8. Qb5+ Qxb5 9. Bxb5+ c6 10. Be2 0-0 11. 0-0 Nd7 12. d4 c5 13. Be3 cxd4 14. Nxd4 Bg6 15. Nb3 Rfd8 16. Bf3 Nb6 17. Rfd1 Rab8 18. Bc5 Bxc5 19. Nxc5 Nc4 20. b3 Nb2 21. Rxd8+ Rxd8 22. Nxb7 Rd2 23. Nc5 Nd3 24. Nxd3 Rxd3 25. Rd1 Rxd1+ 26. Bxd1 Kf8 27. Bf3 Ke7 28. Kf1 f6 29. Ke2 Kd6 30. Ke3 Kc5 31. Be4 f5 32. Bd3 f4+ 33. Kd2 e5 34. Bxg6 hxg6 35. f3 Kd5 36. Kd3 1-0

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Steffens, Jan"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "90"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Nc3 Bg4 6. h3 Bh5 7. Be2 Bd6 8. Bg5 c6 9. 0-0 0-0 10. Re1 Nbd7 11. Nd2 Bg6 12. Bg4 Qc7 13. Bxd7 Nxd7 14. Nf3 Rfe8 15. Qd2 f6 16. Bh4 Bf4 17. Qd1 Rxe1+ 18. Nxe1 Re8 19. Nf3 Re6 20. Ne2 Bd6 21. Bg3 Bxg3 22. Nxg3 Nf8 23. c3 Qe7 24. Qd2 Kf7 25. Nh4 Qe8 26. Nxg6 Nxg6 27. Kf1 a6 28. Re1 Rxe1+ 29. Qxe1 Qxe1+ 30. Kxe1 Nf4 31. Kf1 Ke6 32. Ne2 Kf5 33. Nxf4 Kxf4 34. Ke2 Kf5 35. Kf3 h5 36. g4+ hxg4+ 37. hxg4+ Ke6 38. Ke3 g5 39. f4 Kd6 40. fxg5 fxg5 41. b3 b6 42. Kd3 a5 43. a4 Kc7 44. c4 Kb7 45. cxd5 cxd5 1/2-1/2

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Wagner, Tobias"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "26"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Rxd1 Ng4 8. Nd5 f6 9. exf6 exf6 10. Nxc7+ Ke7 11. Bf4 Nc6 12. Bd6+ Kf7 13. Bc4+ Be6 1-0

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Weidner, Jan Peter"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "128"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Nf6 6. Nf3 0-0 7. 0-0 Bg4 8. Bg5 Nbd7 9. h3 Be6 10. Re1 Qc8 11. Re3 Nh5 12. Ne5 Nhf6 13. Qf3 h6 14. Nxd7 Nxd7 15. Bf4 Bxf4 16. Qxf4 Nf6 17. Qf3 c6 18. Nd2 Qc7 19. Bf5 Bxf5 20. Qxf5 Rfe8 21. Rae1 b6 22. Nf3 Rxe3 23. Rxe3 Rd8 24. Ne5 c5 25. Ng4 Nxg4 26. Qxg4 Kf8 27. dxc5 bxc5 28. Qd1 Qf4 29. Rd3 Qe4 30. Re3 Qf4 31. Rd3 d4 32. cxd4 cxd4 33. Qc2 Qd6 34. Qa4 Qc5 35. Qd1 a5 36. Qd2 Qb4 37. Qxb4+ axb4 38. f4 Ke7 39. Kf2 Ke6 40. Kf3 f5 41. g4 g6 42. a3 bxa3 43. bxa3 Kd5 44. gxf5 gxf5 45. Ke2 Ke4 46. Kd2 Kxf4 47. Rb3 Rd6 48. Kd3 Ke5 49. Rb5+ Rd5 50. Rb3 f4 51. Kc4 Ke4 52. Rd3 f3 53. Rxf3 Kxf3 54. Kxd5 Ke3 55. a4 d3 56. Kc6 d2 57. a5 d1Q 58. a6 Qa4+ 59. Kb7 Kf3 60. a7 Kg3 61. a8Q Qxa8+ 62. Kxa8 Kxh3 63. Kb7 Kg3 64. Kc6 h5 0-1

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "6"]
[White "Paukstat, Mareike"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "78"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 h6 7. 0-0 0-0 8. Na4 Bb6 9. Nxb6 axb6 10. c3 Qe7 11. Nh4 Be6 12. Bxe6 Qxe6 13. b3 Na5 14. Be3 Qe7 15. Qf3 Kh7 16. Nf5 Qe6 17. Qg3 Rg8 18. Qh4 Kh8 19. f4 exf4 20. Rxf4 Nh7 21. Rg4 g5 22. Nxh6 gxh4 23. Rxg8+ Rxg8 24. Nxg8 Kxg8 25. Rf1 Nc6 26. Rf4 Ne5 27. d4 Ng6 28. d5 Qe5 29. Rg4 Qxc3 30. Bf2 Qc2 31. Bxh4 Qxa2 32. Bd8 Qxb3 33. Bxc7 Qd3 34. Bxd6 Qd1+ 35. Kf2 Qd2+ 36. Kf3 Qd3+ 37. Kf2 Qd2+ 38. Kf3 Qd1+ 39. Kf2 Qd2+ 1/2-1/2

[Event "NRW op U16"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Pflaum, Pascal"]
[Black "Mergen, Jan T"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 h6 9. Bd2 Re8 10. Re1 d6 11. a3 Ba5 12. b4 Bb6 13. Re2 Bg4 14. Kh1 Bxe2 15. Qxe2 Qd7 16. a4 Ng4 17. Be1 Bd4 18. Ra3 Rab8 19. b5 cxb5 20. Bxb5 c6 21. Bd3 Bxc3 22. Rxc3 Rb1 23. h3 Ne5 24. f4 Nxd3 25. Rxd3 Ra1 26. Qf2 Rxe4 27. Re3 Qe7 28. Rxe4 Qxe4 29. Kh2 Qxe1 30. Qxa7 Qh1+ 31. Kg3 Ra3+ 32. Kh4 Qe1+ 33. Kg4 Qg3+ 34. Kf5 Qg6# 0-1

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "6"]
[White "Thiele, Matthias"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "53"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nc6 7. Rb1 a6 8. b4 Be6 9. d3 Re8 10. Qc2 d5 11. b5 axb5 12. cxb5 Nb8 13. Ng5 Qd7 14. Nxe6 Qxe6 15. a4 Nbd7 16. Bd2 Rec8 17. Qa2 c6 18. a5 Ra7 19. Rfc1 Rca8 20. Na4 Qd6 21. bxc6 bxc6 22. Qc2 Ra6 23. Nb6 Nxb6 24. Rxb6 Nd7 25. Rxc6 Rxc6 26. Qxc6 Qxc6 27. Rxc6 1/2-1/2

[Event "GER-chT U15"]
[Site "Baunatal"]
[Date "1997.??.??"]
[Round "?"]
[White "Woetzel, Nils"]
[Black "Mergen, Jan T"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "41"]
[EventDate "1997.12.30"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. c4 Nb6 8. Bd3 Bc5 9. 0-0 Ba6 10. Nd2 Rb8 11. Ne4 Be7 12. Re1 0-0 13. Qh5 g6 14. Qh6 f5 15. Ng5 Bxg5 16. Bxg5 Qe8 17. Bf6 Qf7 18. b3 Rbe8 19. Re3 Bc8 20. Bxf5 gxf5 21. Rg3+ 1-0

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1996.??.??"]
[Round "3"]
[White "Mergen, Jan T"]
[Black "Granseier, Jens"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "46"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bg4 5. Be2 Bd6 6. Nc3 Ne7 7. Bd2 f6 8. Nb5 Nbc6 9. Nxd6+ Qxd6 10. c3 0-0-0 11. h3 Bh5 12. Qc1 g5 13. Qd1 Qe6 14. g4 Bg6 15. h4 Be4 16. Kf1 h6 17. Qe1 Qxg4 18. Qd1 Kb8 19. Rh2 Qf5 20. Rc1 g4 21. Ne1 g3 22. Nf3 gxh2 23. Nxh2 Qh3+ 0-1

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1996.??.??"]
[Round "4"]
[White "Mergen, Jan T"]
[Black "Hinske, Sara"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "78"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. Nc3 Bg7 4. d4 Nf6 5. Be3 0-0 6. h3 Nbd7 7. Be2 c5 8. 0-0 a6 9. dxc5 Nxc5 10. Bxc5 dxc5 11. Qxd8 Rxd8 12. Rfd1 Bd7 13. Ne5 Be8 14. Nf3 e6 15. Rab1 Bc6 16. Nd2 b5 17. Bf3 c4 18. e5 Bxf3 19. Nxf3 Nd5 20. Nxd5 Rxd5 21. Rxd5 exd5 22. Rd1 Rd8 23. b3 Kf8 24. bxc4 bxc4 25. Nd2 Ke8 26. Nf3 h6 27. g4 g5 28. c3 Ke7 29. Re1 a5 30. Nd4 Kd7 31. Kg2 Re8 32. Nf3 f6 33. exf6 Rxe1 34. Nxe1 Bxf6 35. Nf3 Bxc3 36. h4 gxh4 37. Nxh4 Ke6 38. Nf3 d4 39. Kf1 d3 0-1

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1996.??.??"]
[Round "2"]
[White "Mergen, Jan T"]
[Black "Wilczewski, Dennis"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "106"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Bc4 Nf6 5. d3 d6 6. h3 h6 7. Bd2 Be6 8. Bxe6 fxe6 9. a3 Ba5 10. b4 Bb6 11. Na4 Bd4 12. Nxd4 exd4 13. c3 dxc3 14. Bxc3 e5 15. 0-0 Qd7 16. Re1 0-0-0 17. Nb2 Rhf8 18. d4 exd4 19. Bxd4 Rde8 20. Bxf6 Rxf6 21. Qd2 Rfe6 22. f3 Ne5 23. Qd4 Kb8 24. Rad1 Rg6 25. Kh2 Qf7 26. Re3 Qf4+ 27. Kg1 Qg3 28. Kf1 Qxg2+ 29. Ke1 Nxf3+ 30. Rxf3 Qxf3 31. e5 Rxe5+ 32. Qxe5 Rg1+ 33. Kd2 Rg2+ 34. Kc1 a6 35. Qd4 Qe2 36. Qd2 Qxd2+ 37. Rxd2 Rxd2 38. Kxd2 Ka7 39. Kd3 Kb6 40. Kc3 Kb5 41. Kd4 b6 42. Nc4 g5 43. Nb2 a5 44. bxa5 Kxa5 45. Kd5 Kb5 46. a4+ Ka5 47. Kc6 h5 48. Kxc7 g4 49. hxg4 hxg4 50. Nd3 g3 51. Nf4 d5 52. Kc6 d4 53. Kd5 d3 0-1

[Event "GER-ch U18 NRW 9697"]
[Site "Germany"]
[Date "1996.??.??"]
[Round "1"]
[White "Thewes, Simon"]
[Black "Mergen, Jan T"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "142"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Be3 Nd4 7. Nxd4 exd4 8. Bf4 d5 9. exd5 Nxd5 10. Bxd5 Qxd5 11. h3 Qc6 12. Re1 b6 13. Nd2 Bb7 14. Qg4 Bd6 15. Bh6 Bh2+ 16. Kxh2 Qxh6 17. Nb3 Qd6+ 18. Qg3 Qxg3+ 19. Kxg3 c5 20. Nd2 Rfe8 21. b3 Rad8 22. Nf3 f6 23. Rxe8+ Rxe8 24. Re1 Rxe1 25. Nxe1 Kf7 26. f3 Ke6 27. Kf2 h5 28. Kg3 Kf5 29. f4 g5 30. fxg5 fxg5 31. Nf3 h4+ 32. Kf2 Kf4 33. Nh2 Bc6 34. a4 a5 35. Ng4 b5 36. axb5 Bxb5 37. Nf6 a4 38. bxa4 Bxa4 39. Nd5+ Ke5 40. c4 dxc3 41. Nxc3 Bc6 42. Na2 Kd4 43. Nc1 Kc3 44. g3 Kc2 45. Ne2 Kxd3 46. gxh4 gxh4 47. Nf4+ Kd2 48. Ne6 c4 49. Nd4 Bd7 50. Nf3+ Kd1 51. Ne5 c3 52. Nc4 Bxh3 53. Ne3+ Kd2 54. Nc4+ Kd3 55. Ne5+ Kd2 56. Nf3+ Kd1 57. Ne1 Be6 58. Nd3 c2 59. Nb2+ Kd2 60. Kf3 c1Q 61. Nd3 Qc3 62. Kf4 Qxd3 63. Ke5 Qe3+ 64. Kd6 Qe4 65. Kc5 Qd5+ 66. Kb4 Qc4+ 67. Ka5 Qb3 68. Ka6 Qb4 69. Ka7 Qb5 70. Ka8 Bd5+ 71. Ka7 Qb7# 0-1

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Dietzel, Erik"]
[Black "Mergen, Jan T"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "93"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. Nf3 Bc5 5. d3 0-0 6. Bg5 h6 7. Bh4 a6 8. a3 Nd4 9. Nd5 Be7 10. Nxe7+ Qxe7 11. Nxd4 exd4 12. Qe2 d6 13. 0-0 Be6 14. Ba2 Bxa2 15. Rxa2 Rfe8 16. f4 Qe6 17. Raa1 Qg4 18. Qe1 Nd7 19. f5 f6 20. Bg3 Rac8 21. h3 Qh5 22. Qf2 c5 23. Bxd6 Rc6 24. Bg3 Qf7 25. b3 Ne5 26. a4 Ra8 27. Qd2 Rb6 28. Kh1 Kh8 29. Rf2 Kg8 30. Raf1 Rc8 31. Bxe5 fxe5 32. f6 Rd8 33. fxg7 Qxg7 34. Rf5 Re8 35. Qf2 Qe7 36. Rf6 Rxf6 37. Qxf6 Qxf6 38. Rxf6 Kg7 39. Rf5 Re6 40. g4 Kg6 41. Kg2 b6 42. Kf3 Rf6 43. Ke2 Rxf5 44. exf5+ Kf6 45. Kf3 b5 46. axb5 axb5 47. Ke4 1-0

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Jansen, Anton"]
[Black "Mergen, Jan T"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "135"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. a3 0-0 6. Qe2 d6 7. Ng5 Nd4 8. Nxf7 Nxe2 9. Nxd8+ d5 10. Bxd5+ Nxd5 11. exd5 Rxf2 12. Nc3 Nxc3 13. bxc3 Rxc2 14. Bd2 Bf5 15. Nxb7 Bb6 16. c4 Rb8 17. Na5 Bxa5 18. Bxa5 Rc8 19. Rd1 Ra2 20. Bb4 c6 21. dxc6 Rxc6 22. c5 a5 23. Bxa5 Rxc5 24. Bb4 Rb5 25. 0-0 Rb8 26. Rxf5 Re8 27. Rf2 Rxf2 28. Kxf2 Rd8 29. Re1 Rxd3 30. Rxe5 g6 31. Re1 Rb3 32. Bc5 Rb2+ 33. Re2 Rb5 34. Be3 Rf5+ 35. Kg1 Ra5 36. Ra2 Re5 37. Bf2 Rb5 38. g3 Kf7 39. a4 Ra5 40. Be1 Ra6 41. a5 Ke6 42. Kf2 Kd5 43. h4 Ke5 44. Ke3 Kd6 45. Rb2 Kd7 46. Rb6 Ra8 47. Rb7+ Kc6 48. Rxh7 Re8+ 49. Kf2 Rf8+ 50. Kg2 Re8 51. Bc3 Re2+ 52. Kh3 Rc2 53. Bd4 Rd2 54. Bb6 Kb5 55. Rh6 g5 56. hxg5 Rd1 57. Kg4 Rc1 58. g6 Rc4+ 59. Kh3 Rc6 60. g4 Rd6 61. Kh4 Re6 62. Rh5+ Ka6 63. g7 Rg6 64. Rg5 Rh6+ 65. Rh5 Rg6 66. Bd4 Rd6 67. g8Q Rxd4 68. Qg6+ 1-0

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Koester, Sabrina"]
[Black "Mergen, Jan T"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "124"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. Bg5 Be7 6. e3 b6 7. Bd3 Ba6 8. cxd5 Bxd3 9. Qxd3 Nxd5 10. Bxe7 Ncxe7 11. 0-0 Nxc3 12. Qxc3 0-0 13. Rac1 Rc8 14. Ne5 Qd5 15. Qc4 Rfd8 16. Qxd5 Rxd5 17. Rc2 c5 18. Rfc1 g6 19. h3 Kg7 20. Nf3 Rdd8 21. dxc5 bxc5 22. Rxc5 Rxc5 23. Rxc5 Rd1+ 24. Kh2 Rf1 25. Rc7 Nd5 26. Rxa7 Rxf2 27. b3 Nxe3 28. Ne1 Re2 29. Nf3 Rxg2+ 30. Kh1 Rg3 31. Ng1 h5 32. b4 Rg2 33. b5 Rb2 34. a4 Nd5 35. Nf3 Rb3 36. Kg2 Kf6 37. Nd4 Rd3 38. Nc6 Rb3 39. Rb7 e5 40. a5 e4 41. a6 e3 42. Kf1 Rb1+ 43. Ke2 Nc3+ 44. Kxe3 Nxb5 45. Nd4 Ra1 46. Rb6+ Nd6 47. Rxd6+ Ke5 48. Rb6 Ra3+ 49. Nb3 Kd5 50. Kf4 Kc4 51. Kg5 f5 52. h4 Ra4 53. Nd2+ Kc5 54. Rxg6 Kb5 55. Kxf5 Rxh4 56. a7 Ra4 57. Rg7 Ra5 58. Ke6 Ra6+ 59. Kd5 h4 60. Nf3 Kb6 61. Rg6+ Kxa7 62. Rxa6+ Kxa6 1/2-1/2

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Fischer, F."]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "36"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. Nc3 Bg4 7. h3 Bh5 8. Re1 Nd4 9. a3 Nxf3+ 10. gxf3 Bd4 11. Nb5 Bb6 12. Qe2 a6 13. Nc3 Bd4 14. Rb1 b5 15. Bb3 Bxc3 16. bxc3 h6 17. d4 0-0 18. Rd1 Qe7 1/2-1/2

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Luedicke, Lars"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "45"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Nf6 6. Nc3 Be6 7. Bxe6 fxe6 8. Ng5 Qd7 9. Nf3 d5 10. exd5 exd5 11. Re1 Qf5 12. Nb5 Bb6 13. d3 0-0 14. Be3 Bxe3 15. Rxe3 Rf7 16. Qe1 Re8 17. Nbd4 Nxd4 18. Nxd4 Qd7 19. Rxe5 Rxe5 20. Qxe5 Re7 21. Qf5 Qxf5 22. Nxf5 Re2 23. Nd4 1/2-1/2

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Monninger, Moritz Franz"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "131"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Nc3 Nf6 6. h3 d6 7. Qe2 0-0 8. Be3 Bb6 9. Nd5 Nxd5 10. Bxd5 Ne7 11. Bb3 Kh8 12. Qd2 Bxe3 13. Qxe3 f5 14. g4 fxg4 15. hxg4 Rf6 16. g5 Rf4 17. gxh6 Ng6 18. Rg1 Qf6 19. Ng5 gxh6 20. Nf7+ Kg7 21. Rg2 Be6 22. Nxh6 Kxh6 23. Bxe6 Qxe6 24. b3 Kg7 25. 0-0-0 Kf7 26. Rdg1 Rg8 27. c3 Ke7 28. Kd2 c5 29. f3 b6 30. Ke2 Kd7 31. d4 Ne7 32. dxe5 dxe5 33. Qd3+ Kc7 34. Rxg8 Qxg8 35. Rxg8 Nxg8 36. b4 Ne7 37. bxc5 bxc5 38. Qa6 Nc6 39. Ke3 Rf6 40. Qa3 Kd6 41. Qb3 Na5 42. Qd5+ Ke7 43. Qxc5+ Ke6 44. Qxa5 Rf7 45. Qd5+ Kf6 46. Qd6+ Kg7 47. Qxe5+ Kg8 48. Qe8+ Rf8 49. Qxf8+ Kxf8 50. Kf4 Ke7 51. Ke5 a5 52. c4 a4 53. f4 a3 54. f5 Kf7 55. c5 Ke7 56. f6+ Kf7 57. c6 Ke8 58. Ke6 Kf8 59. f7 Kg7 60. Ke7 Kg6 61. f8Q Kg5 62. Qf6+ Kg4 63. c7 Kg3 64. c8R Kg4 65. Rg8+ Kh5 66. Qh8# 1-0

[Event "GER-chT U13"]
[Site "Eberstadt"]
[Date "1995.??.??"]
[Round "?"]
[White "Mergen, Jan T"]
[Black "Wolf, Antje"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "58"]
[EventDate "1995.12.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Be7 5. h3 d6 6. d3 h6 7. Be3 0-0 8. Qd2 Nh7 9. d4 exd4 10. Nxd4 Ne5 11. Qe2 Nxc4 12. Qxc4 c5 13. Nf3 Be6 14. Nd5 Nf6 15. Rd1 a6 16. Nxe7+ Qxe7 17. Qd3 Rfd8 18. c4 Rab8 19. 0-0 b5 20. b3 bxc4 21. bxc4 Rb4 22. e5 Bxc4 23. exf6 Qxf6 24. Bd4 Qf4 25. Qc3 Bxf1 26. Bxc5 Rc4 27. Rd4 Qxd4 28. Qxd4 Rxd4 29. Bxd4 Bc4 0-1

