[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2019.05.05"]
[Round "9.4"]
[White "Bertschik, Jonas"]
[Black "Ball, Joerg"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1686"]
[BlackElo "1914"]
[PlyCount "80"]
[EventDate "2018.09.23"]
[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 "Unna SV"]
[BlackTeam "Essen Listiger Bauer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 d5 4. e3 e6 5. Bd3 c5 6. c3 Nc6 7. 0-0 Bd6 8. Bxd6 Qxd6 9. Nbd2 0-0 10. dxc5 Qxc5 11. Nb3 Qe7 12. Nfd4 Bd7 13. Qe2 Rac8 14. Rac1 Ne5 15. Rfd1 Nc4 16. Bxc4 Rxc4 17. Nd2 Rc7 18. Nb5 Bxb5 19. Qxb5 Rfc8 20. Nb3 e5 21. Qd3 g6 22. Qd2 Qg7 23. f4 e4 24. Nd4 Qd7 25. h3 a6 26. Qf2 Ne8 27. Nb3 Qf7 28. Qd2 Nf6 29. Nd4 b5 30. a3 Nd7 31. Nb3 Nb6 32. Na5 Qe6 33. Qd4 Rd7 34. Nb3 Qd6 35. Na5 Qc7 36. Rd2 Kf7 37. Rcd1 Na4 38. Nb3 Nb6 39. Na5 Na4 40. Nb3 Nb6 1/2-1/2

[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2019.03.10"]
[Round "7.8"]
[White "Bertschik, Jonas"]
[Black "Furchtbar, Uwe"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1700"]
[BlackElo "1778"]
[PlyCount "102"]
[EventDate "2018.09.23"]
[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 "Unna SV"]
[BlackTeam "Ruettenscheid Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 d5 3. c4 Bb4+ 4. Nc3 Nf6 5. a3 Bxc3+ 6. bxc3 Ne4 7. Qc2 0-0 8. e3 c6 9. Bd3 f5 10. 0-0 Qa5 11. Bb2 Nd7 12. cxd5 exd5 13. c4 Nb6 14. cxd5 Nxd5 15. Bxe4 fxe4 16. Qxe4 Bf5 17. Qh4 Rf6 18. Ne5 Qb5 19. Bc1 a5 20. e4 Nc3 21. Bg5 Nxe4 22. Bxf6 Nxf6 23. Qf4 g6 24. g4 Nd5 25. Qf3 Be6 26. h3 Rf8 27. Qd1 Nc3 28. Qd2 Ne2+ 29. Kh2 Nf4 30. Rfb1 Qd5 31. f3 b5 32. Rc1 Qd8 33. Qf2 Bd5 34. Rab1 Qd6 35. Qe3 Ne6 36. Rf1 Rf4 37. Rbd1 a4 38. Qc3 Bb3 39. Ra1 Nxd4 40. Rfe1 Rxf3 41. Qd2 Rf6 42. Kg1 Qxe5 43. Rxe5 Nf3+ 44. Kg2 Nxd2 45. Rc1 Bd5+ 46. Kg3 Rf3+ 47. Kh4 Ne4 48. Rh1 h6 49. Re8+ Kf7 50. Rh8 Kg7 51. Rd8 g5+ 0-1

[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2019.01.20"]
[Round "5.5"]
[White "Drewes, Martin"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1934"]
[BlackElo "1700"]
[PlyCount "57"]
[EventDate "2018.09.23"]
[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 "Waltrop SV"]
[BlackTeam "Unna SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be3 d5 7. e5 c5 8. exf6 Bxf6 9. Ndb5 d4 10. Bf4 dxc3 11. Nc7+ Kf8 12. Qxd8+ Bxd8 13. Nxa8 cxb2 14. Rb1 Ba5+ 15. Bd2 Bd8 16. Bf4 Na6 17. Bxa6 bxa6 18. Rxb2 g5 19. Bd6+ Kg7 20. 0-0 Bf6 21. Rb8 Bd4 22. Re1 Rd8 23. Bc7 Rg8 24. Be5+ Bxe5 25. Rxe5 Kf6 26. Rxc5 Rd8 27. Kf1 Rd1+ 28. Ke2 Bg4+ 29. f3 1-0

[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.12.02"]
[Round "4.5"]
[White "Bertschik, Jonas"]
[Black "Schuermann, Jan"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1710"]
[BlackElo "1800"]
[PlyCount "68"]
[EventDate "2018.09.23"]
[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 "Unna SV"]
[BlackTeam "Muelheim Nord IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. e3 Nh5 7. Be5 Nd7 8. Bd3 Nhf6 9. Bf4 dxc4 10. Bxc4 Nb6 11. Bd3 Nbd5 12. Be5 c5 13. 0-0 cxd4 14. Bxd4 b6 15. Nxd5 Qxd5 16. Qe2 Bb7 17. Bc4 Qh5 18. h3 Ne4 19. Ba6 Bd5 20. Bc4 Bxc4 21. Qxc4 Rfc8 22. Qd3 Nc5 23. Qb5 Qd5 24. Rfd1 Rd8 25. Qe2 Qe4 26. b4 Nd7 27. a3 Bf6 28. Bxf6 Nxf6 29. Rxd8+ Rxd8 30. Rd1 Rc8 31. Qd2 Nd5 32. Rc1 Rd8 33. Rd1 Rc8 34. Rc1 Rd8 1/2-1/2

[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.11.04"]
[Round "3.7"]
[White "Striebeck, Roman"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1623"]
[BlackElo "1710"]
[PlyCount "83"]
[EventDate "2018.09.23"]
[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 "Welper SV II"]
[BlackTeam "Unna SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. h3 e6 5. e3 Bd6 6. Bxd6 Qxd6 7. Bd3 Bxd3 8. Qxd3 0-0 9. 0-0 Nbd7 10. Nbd2 c5 11. c4 cxd4 12. Qxd4 e5 13. Qh4 Qb4 14. cxd5 Qxh4 15. Nxh4 Nxd5 16. Rac1 Rac8 17. Nf5 Kh8 18. Nd6 Rb8 19. a3 g6 20. N2e4 f5 21. Nc5 Nxc5 22. Rxc5 Nb6 23. Rc7 Rf6 24. Rd1 Kg8 25. Nxb7 Na4 26. b3 Rb6 27. Rdd7 Rxb3 28. Rg7+ Kf8 29. Rxh7 Kg8 30. Rcg7+ Kf8 31. Rf7+ Kg8 32. Nd6 R3b6 33. Rhg7+ Kh8 34. Rxg6 Rd8 35. Rff6 Kh7 36. Rh6+ Kg7 37. Nxf5+ Kg8 38. Rhg6+ Kh7 39. Rg7+ Kh8 40. Rff7 Re6 41. Rh7+ Kg8 42. Rfg7+ 1-0

[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.10.07"]
[Round "2.6"]
[White "Aufermann, Dirk"]
[Black "Bertschik, Jonas"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "1753"]
[BlackElo "1710"]
[PlyCount "49"]
[EventDate "2018.09.23"]
[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 "Witten"]
[BlackTeam "Unna SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Be7 8. 0-0 0-0 9. Qe2 Nbd7 10. e4 Bg4 11. h3 Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Bd3 Rc8 15. Be3 Nb8 16. Rfc1 Qd7 17. Rxc8 Rxc8 18. g4 Bg6 19. Bxg6 hxg6 20. Qd1 Rc6 21. Rc1 Qc8 22. Ne1 Rxc1 23. Qxc1 Qxc1 24. Bxc1 Nc6 25. Be3 1/2-1/2

[Event "Ruhrgebiet Verbandsklasse Gruppe 3 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.09.23"]
[Round "1.6"]
[White "Zimmermann, Dirk"]
[Black "Bertschik, Jonas"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "1935"]
[BlackElo "1710"]
[PlyCount "44"]
[EventDate "2018.09.23"]
[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 "Brambauer"]
[BlackTeam "Unna SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Be7 8. 0-0 0-0 9. Qe2 Nbd7 10. e4 Bg4 11. Rd1 Qc7 12. h3 Bh5 13. Bg5 h6 14. Bh4 g5 15. Bg3 Qb6 16. d5 exd5 17. exd5 Rfe8 18. Qc2 Bg6 19. Bd3 Bxd3 20. Qxd3 cxd5 21. Nxd5 Nxd5 22. Qxd5 Nf6 1/2-1/2

[Event "Ruhrgebiet Bezirkszweite 1718 Aufstieg"]
[Site "Germany"]
[Date "2018.06.24"]
[Round "3.8"]
[White "Bertschik, Jonas"]
[Black "Thieme, Guenter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1702"]
[BlackElo "1586"]
[PlyCount "113"]
[EventDate "2018.06.10"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Unna SV"]
[BlackTeam "Borbeck Weisse Dame II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. Nbd2 Nbd7 7. Bd3 e5 8. dxe5 Nxe5 9. Nxe5 Qxe5 10. c3 0-0 11. 0-0 c6 12. Nf3 Qc7 13. Qc2 h6 14. h3 Re8 15. Rac1 Be6 16. Rfe1 Rad8 17. c4 dxc4 18. Bxc4 Bxc4 19. Qxc4 Rd7 20. b4 Qb6 21. a3 Ne4 22. Red1 Qd8 23. Qc2 Nf6 24. Rxd7 Qxd7 25. Rd1 Qe7 26. Qd3 Rc8 27. Qd6 Qxd6 28. Rxd6 Kf8 29. Nd4 Rc7 30. Nf5 Rd7 31. f3 Rxd6 32. Nxd6 Nd5 33. e4 Ne3 34. Nxb7 Nc2 35. Na5 Nxa3 36. Nxc6 Nb5 37. Kf2 Ke8 38. Ke3 Kd7 39. Nd4 Nd6 40. Kd3 f6 41. f4 Nf7 42. Nf5 g6 43. Nd4 g5 44. g3 h5 45. h4 gxh4 46. gxh4 Nh8 47. f5 Nf7 48. Ne6 Ne5+ 49. Ke3 Kc6 50. Nf4 Kb5 51. Nd5 Nc6 52. Nxf6 Kxb4 53. Nd5+ Kb3 54. f6 Ne5 55. Kf4 Nf7 56. e5 a5 57. Nb6 1-0

[Event "Ruhrgebiet Bezirksliga 17/18"]
[Site "Ruhrgebiet"]
[Date "2018.04.08"]
[Round "9.7"]
[White "Bertschik, Jonas"]
[Black "Halft, Christian"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "1670"]
[BlackElo "1646"]
[PlyCount "32"]
[EventDate "2017.09.03"]
[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 "Unna SV"]
[BlackTeam "Hamm SG Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 d5 6. Be2 c6 7. 0-0 Ne4 8. c4 Nd7 9. Nc3 Ndf6 10. Rc1 Qa5 11. Qb3 Nxc3 12. bxc3 dxc4 13. Bxc4 b5 14. Bd3 Nd5 15. Bg3 Be6 16. Qb2 Nb6 1/2-1/2

[Event "Ruhrgebiet Bezirksliga 17/18"]
[Site "Ruhrgebiet"]
[Date "2017.11.19"]
[Round "4.7"]
[White "Bertschik, Jonas"]
[Black "Krukowski, Wojtek"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1664"]
[BlackElo "1645"]
[PlyCount "77"]
[EventDate "2017.09.03"]
[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 "Unna SV"]
[BlackTeam "Hamm Koenigsspringer II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 e6 4. e3 d5 5. Bd3 Be7 6. 0-0 0-0 7. h3 Bd7 8. c4 c6 9. Nc3 Be8 10. Ne5 Nbd7 11. a3 Ne4 12. Qc2 Rc8 13. c5 Bg5 14. Bh2 Nxe5 15. Bxe5 Bg6 16. f4 Bh4 17. Bxe4 fxe4 18. b4 Qe8 19. Rab1 Bg3 20. b5 Rf5 21. bxc6 bxc6 22. Rb7 Rf7 23. Rfb1 Rxb7 24. Rxb7 Bf7 25. Rxa7 Ra8 26. Qa4 Rxa7 27. Qxa7 Be1 28. Na4 Bh4 29. Nb6 Bf6 30. Qb8 Bd8 31. a4 h5 32. a5 Qe7 33. g3 g5 34. a6 gxf4 35. Bxf4 e5 36. Bxe5 Qg5 37. Bf4 Qf5 38. Qxd8+ Kh7 39. Qd7 1-0

[Event "Ruhrgebiet Bezirksliga 17/18"]
[Site "Ruhrgebiet"]
[Date "2017.10.15"]
[Round "3.7"]
[White "Oberdorfer, Jakob"]
[Black "Bertschik, Jonas"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1339"]
[BlackElo "1664"]
[PlyCount "96"]
[EventDate "2017.09.03"]
[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 "Ahlen SV II"]
[BlackTeam "Unna SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d3 Nf6 5. 0-0 0-0 6. Nc3 Bg4 7. h3 Bh5 8. Ne2 Qd7 9. Ng3 Bg6 10. Nh4 Nc6 11. Nhf5 Na5 12. Nxe7+ Qxe7 13. Bb5 c6 14. Ba4 b5 15. Bb3 Nxb3 16. axb3 d5 17. exd5 cxd5 18. Re1 Nd7 19. d4 e4 20. Bd2 Rfc8 21. Re3 Nb6 22. f3 f5 23. c3 f4 24. Re2 fxg3 25. Bf4 Qh4 26. Qd2 h6 27. fxe4 Bxe4 28. Qe3 Re8 29. Qxg3 Qxg3 30. Bxg3 Rec8 31. Bd6 a5 32. Re3 a4 33. Rg3 axb3 34. Rf1 Nc4 35. Be5 Nxe5 36. dxe5 Re8 37. Rf6 g6 38. Rb6 Rab8 39. Ra6 Rxe5 40. Ra3 Bc2 41. Rf3 Re1+ 42. Rf1 Rxf1+ 43. Kxf1 Kf7 44. Ke2 Kf6 45. Ke3 Ke5 46. Ra6 b4 47. cxb4 Rxb4 48. Rxg6 Bxg6 0-1

[Event "Ruhrgebiet Bezirksliga 17/18"]
[Site "Ruhrgebiet"]
[Date "2017.09.17"]
[Round "2.7"]
[White "Bertschik, Jonas"]
[Black "Rudlof, Juergen"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1664"]
[BlackElo "1654"]
[PlyCount "133"]
[EventDate "2017.09.03"]
[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 "Unna SV"]
[BlackTeam "Boenen SV II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 Nbd7 7. 0-0 c5 8. c3 a6 9. a4 Rb8 10. Nbd2 cxd4 11. cxd4 Kh8 12. Bc4 Nb6 13. Bb3 h6 14. Rc1 Nbd5 15. Bh2 b5 16. axb5 Rxb5 17. Nc4 Be6 18. Ba4 Rb4 19. Nfd2 Nb6 20. Nxb6 Qxb6 21. b3 Bd5 22. Qc2 Rb8 23. f3 Kh7 24. Qc7 Rb7 25. Qxb6 R4xb6 26. Bg3 Be6 27. Bf2 h5 28. d5 Bd7 29. e4 Rb4 30. Bxd7 Nxd7 31. Rc6 a5 32. Nc4 Ne5 33. Nxa5 R7b5 34. Ra6 Nd3 35. Bh4 Bd4+ 36. Kh2 f6 37. Bg3 Bb6 38. Nc6 Rxb3 39. Nxe7 h4 40. Bxh4 Nf4 41. Bg3 Be3 42. Ra2 Rb2 43. Rxb2 Rxb2 44. Bxf4 Bxf4+ 45. Kh1 Kh6 46. Nc6 Kh5 47. Nd4 Be5 48. Ne6 g5 49. f4 gxf4 50. Nxf4+ Kg5 51. Nd3 Re2 52. Nxe5 fxe5 53. Rf8 Kh4 54. Kh2 Rxe4 55. Rd8 Re2 56. Rxd6 Rd2 57. Rd8 Kg5 58. d6 Kf6 59. d7 Ke7 60. Re8+ Kxd7 61. Rxe5 Kd6 62. Re8 Kd7 63. Re3 Kd6 64. h4 Rf2 65. Kh3 Rf8 66. g3 Kd5 67. h5 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2016.12.27"]
[Round "1"]
[White "Bertschik, Jonas"]
[Black "Tkachuk, Konstantyn"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1677"]
[BlackElo "2247"]
[PlyCount "60"]
[EventDate "2016.12.27"]
[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 g6 2. Nf3 Bg7 3. Bf4 d6 4. h3 Nd7 5. e3 e5 6. Bh2 Ne7 7. c3 0-0 8. Be2 e4 9. Nfd2 f5 10. 0-0 Nf6 11. Na3 g5 12. Qc2 Ng6 13. Nac4 Qe7 14. Na5 Kh8 15. a4 f4 16. exf4 gxf4 17. Rfe1 Bf5 18. Qb3 b6 19. Nc6 Qd7 20. Bb5 Bxh3 21. Ne5 Qf5 22. Nxg6+ Qxg6 23. g3 e3 24. Nf3 exf2+ 25. Kxf2 fxg3+ 26. Bxg3 Ng4+ 27. Ke2 Qe4+ 28. Kd2 Bh6+ 29. Kd1 Qxf3+ 30. Be2 Qxg3 0-1

[Event "Ruhrgebiet Verbandsklasse Gruppe 1 1617"]
[Site "Germany"]
[Date "2016.09.25"]
[Round "2.8"]
[White "Bertschik, Jonas"]
[Black "Rohloff, Markus"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1677"]
[BlackElo "1875"]
[PlyCount "120"]
[EventDate "2016.09.04"]
[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 "Unna SV"]
[BlackTeam "Altenessen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Nbd2 Nbd7 7. Be2 Re8 8. 0-0 e5 9. Bh2 b6 10. c3 Bb7 11. Nc4 e4 12. Nfd2 Qe7 13. Na3 a6 14. Bc4 Rad8 15. Qe2 b5 16. Bb3 c5 17. c4 b4 18. Nc2 a5 19. Ba4 Rf8 20. a3 Ra8 21. axb4 cxb4 22. Bb5 Ne8 23. Nb3 a4 24. Rxa4 Rxa4 25. Bxa4 Nb6 26. Ra1 Ba6 27. Nd2 Nxc4 28. Nxc4 d5 29. Qd2 Bxc4 30. Qxb4 Bf6 31. b3 Bd3 32. Qxe7 Bxe7 33. Ne1 Bb4 34. Nxd3 exd3 35. Rd1 d2 36. Bf4 Nf6 37. f3 Rc8 38. Kf1 Rc1 39. Ke2 Nh5 40. Bh2 Ng7 41. g4 h5 42. Bg1 hxg4 43. hxg4 f5 44. Bh2 Ne6 45. Bd7 Ng5 46. gxf5 Nxf3 47. Be6+ Kf8 48. Bxd5 Nxh2 49. fxg6 Kg7 50. Be4 Nf1 51. Bf3 Ng3+ 52. Kf2 Ne4+ 53. Kg2 Kf6 54. Rf1 Re1 55. Bd1+ Kxg6 56. Bc2 Kg5 57. Rg1 Rxe3 58. Bxe4 Rxe4 59. Kf3+ Kf5 60. Rd1 Re1 0-1

[Event "Unna op"]
[Site "Unna"]
[Date "2015.12.27"]
[Round "1"]
[White "Henrichs, Thomas"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2417"]
[BlackElo "1647"]
[PlyCount "99"]
[EventDate "2015.12.27"]
[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 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. Bf4 Nc6 8. Qd2 Nxd4 9. Qxd4 Be6 10. 0-0-0 a6 11. Kb1 b5 12. Bf3 Bg4 13. Bxg4 Nxg4 14. Nd5 Nf6 15. Nxe7+ Qxe7 16. Rhe1 Nh5 17. Bc1 Qe5 18. Qxe5 dxe5 19. Rd5 Rfe8 20. Rc5 Re7 21. Rd1 Nf6 22. Bg5 h6 23. Bxf6 gxf6 24. Rd3 Kg7 25. Rc6 Ra7 26. Rg3+ Kh7 27. Rxf6 Rd7 28. Rd3 Rxd3 29. cxd3 Kg7 30. Rc6 f6 31. Kc2 a5 32. g3 h5 33. f4 exf4 34. gxf4 Rb7 35. d4 Kf7 36. f5 Kg7 37. h4 a4 38. Kd3 Ra7 39. Kc3 Rb7 40. Kb4 Kf7 41. a3 Kg7 42. Rc5 c6 43. Rxc6 Re7 44. e5 Rd7 45. Rd6 Rc7 46. e6 Kf8 47. Rd8+ Ke7 48. Rd7+ Rxd7 49. exd7 Kxd7 50. Kxb5 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2012.12.27"]
[Round "1"]
[White "Bertschik, Jonas"]
[Black "Sicars, Thorsten"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "1537"]
[BlackElo "2149"]
[PlyCount "99"]
[EventDate "2012.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Bd2 Nbd7 10. Ne4 Be7 11. Nxf6+ gxf6 12. Nh4 Bg6 13. Nxg6 hxg6 14. Qg4 f5 15. Qg3 Nf6 16. Bc3 Nd5 17. Rfd1 Kg7 18. Qf3 Rh8 19. e4 fxe4 20. Qxe4 Rh4 21. Qf3 Rf4 22. Qe2 Bf6 23. g3 Rf5 24. f4 Qd6 25. Bd3 Rh5 26. Kg2 Rah8 27. Rh1 Rd8 28. Rad1 Rdh8 29. Be4 Rh3 30. Bf3 R3h4 31. Qe4 R4h7 32. Qe2 Rd8 33. Rd3 Rhh8 34. Qc2 Rd7 35. Rhd1 Rhd8 36. Kf2 Qf8 37. R1d2 Qh8 38. h4 Kg8 39. Qd1 Ne7 40. Bg4 c5 41. dxc5 Rxd3 42. Rxd3 Rxd3 43. Qxd3 Nc6 44. Bxf6 Qxf6 45. Qd2 e5 46. Qc3 Qe7 47. fxe5 Nxe5 48. Be2 Qf6+ 49. Kg1 a6 50. b4 1/2-1/2

[Event "Unna op"]
[Site "Unna"]
[Date "2000.??.??"]
[Round "7"]
[White "Abromeit, Guenter"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "87"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. d4 Bg4 6. f3 Nxe4 7. fxg4 Qh4+ 8. g3 Nxg3 9. Bc4+ Ke8 10. hxg3 Qxh1+ 11. Bf1 Qe4+ 12. Kf2 d5 13. Nc3 Qe6 14. Bf4 c6 15. Qf3 Qf6 16. Re1+ Kf7 17. Kg2 Bb4 18. Nxd5 cxd5 19. Qxd5+ Kf8 20. Re6 Nc6 21. Rxf6+ gxf6 22. Bh6+ Ke7 23. Bc4 Nd8 24. Bb5 Nc6 25. g5 Rad8 26. gxf6+ Kxf6 27. Bg5+ Kg7 28. Bxd8 Rxd8 29. Qg5+ Kf8 30. Bxc6 Rd6 31. Bd5 Rg6 32. Qd8+ Kg7 33. Be4 Rd6 34. Qe7+ Kg8 35. Qxh7+ Kf8 36. c3 Ba5 37. Qf5+ Ke7 38. Qxa5 Ra6 39. Qd5 Rd6 40. Qxd6+ Kxd6 41. g4 b6 42. g5 Ke6 43. c4 Kf7 44. d5 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2000.??.??"]
[Round "5"]
[White "Bertschik, Jonas"]
[Black "Nagel, Michael"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "71"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. e3 e6 4. Nc3 Bb4 5. Nf3 Ne4 6. Bd2 Bxc3 7. Bxc3 Nxc3 8. bxc3 0-0 9. cxd5 Qxd5 10. c4 Qa5+ 11. Qd2 Qxd2+ 12. Nxd2 Nc6 13. Rb1 b6 14. Bd3 e5 15. Be4 Bd7 16. dxe5 Rae8 17. f4 g6 18. 0-0 f5 19. exf6 Rxf6 20. Bd5+ Kg7 21. e4 Nb4 22. Rxb4 c5 23. Rbb1 Be6 24. Bxe6 Rexe6 25. e5 Rf7 26. g3 Rd7 27. Nf3 a6 28. Ng5 Ree7 29. Rxb6 Ra7 30. Ne6+ Kh6 31. Nxc5 Rec7 32. Rxa6 Rxa6 33. Nxa6 Rxc4 34. e6 Re4 35. Nc5 Re2 36. Rf2 1-0

[Event "Unna op"]
[Site "Unna"]
[Date "2000.??.??"]
[Round "1"]
[White "Bertschik, Jonas"]
[Black "Sparka, Juergen"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "118"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. c4 Nb6 6. Nc3 Nc6 7. Nf3 Bg4 8. Be3 g6 9. Be2 Bg7 10. d5 Bxf3 11. Bxf3 Ne5 12. c5 dxc5 13. Bxc5 0-0 14. d6 Nxf3+ 15. gxf3 exd6 16. Qxd6 Re8+ 17. Kf1 Qxd6 18. Bxd6 Rad8 19. Bg3 Nc4 20. Ne4 Nd2+ 21. Nxd2 Rxd2 22. Kg2 Bxb2 23. Rab1 f5 24. Bf4 Rc2 25. Kg3 b5 26. Be3 b4 27. Bxa7 Ra8 28. Bc5 Rxa2 29. Bxb4 Bd4 30. Be1 Bxf2+ 31. Bxf2 Rxf2 32. Rb8+ Kg7 33. Rb7+ Kf6 34. Rb6+ Ke5 35. Rb5+ Kd6 36. Rb6+ Kc5 37. Rb3 Rg2+ 38. Kh3 Kc4 39. Re3 Kd4 40. Rb3 Rad2 41. Ra3 Rge2 42. Kg3 g5 43. Ra4+ Ke3 44. Ra3+ Rd3 45. Rxd3+ Kxd3 46. Rf1 h5 47. h4 f4+ 48. Kh3 gxh4 49. Kxh4 Rg2 50. Re1 Re2 51. Rf1 Re5 52. Kh3 Ke2 53. Rg1 Kf2 54. Ra1 Re1 55. Rxe1 Kxe1 56. Kg2 Ke2 57. Kg1 Kxf3 58. Kf1 h4 59. Kg1 Ke2 0-1

[Event "Unna op"]
[Site "Unna"]
[Date "2000.??.??"]
[Round "3"]
[White "Bertschik, Jonas"]
[Black "Watzlawek, Markus"]
[Result "0-1"]
[ECO "A85"]
[BlackElo "2165"]
[PlyCount "92"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Nf3 g6 5. Bg5 Nbd7 6. e3 Bg7 7. Be2 c6 8. 0-0 0-0 9. Qd2 h6 10. Bxf6 Nxf6 11. Rad1 Qe8 12. b4 Ne4 13. Qc2 Nxc3 14. Qxc3 e5 15. dxe5 dxe5 16. Qb3 Be6 17. Qc2 e4 18. Nd4 Bf7 19. a3 Qe7 20. c5 Rad8 21. Nb3 Bd5 22. Na5 Qc7 23. Nc4 b5 24. Nb2 Qe5 25. Rd4 Qe6 26. Rd2 Be5 27. Qc1 Kh7 28. Rfd1 a6 29. a4 Qf6 30. Rc2 Bb3 31. Rxd8 Rxd8 32. Nc4 bxc4 33. Rd2 c3 34. Rxd8 Qxd8 35. Kf1 Qd2 36. Qxd2 cxd2 37. a5 d1Q+ 38. Bxd1 Bxd1 39. Ke1 Ba4 40. h3 Bc3+ 41. Ke2 Bxb4 42. f3 Bxc5 43. fxe4 fxe4 44. Kf2 Bb4 45. Kg3 c5 46. Kf4 Bc2 0-1

[Event "Unna op"]
[Site "Unna"]
[Date "2000.??.??"]
[Round "4"]
[White "Moeller, Merlin"]
[Black "Bertschik, Jonas"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "92"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nf3 d6 6. a3 0-0 7. 0-0 Be6 8. d3 Rb8 9. Bd2 Qd7 10. Rb1 Nd4 11. b4 Nxf3+ 12. Bxf3 Bb6 13. a4 a6 14. Re1 c6 15. Qc1 Bg4 16. Bh1 Bh3 17. Bg5 Ng4 18. c5 dxc5 19. Be3 cxb4 20. Bxb6 bxc3 21. Qxc3 Rfe8 22. f3 Nf6 23. Bf2 Nd5 24. Qd2 f5 25. e4 Nf6 26. Qa2+ Kh8 27. Red1 Red8 28. Ba7 Rbc8 29. Bb6 Re8 30. Bg2 f4 31. Bxh3 Qxh3 32. Qg2 Qxg2+ 33. Kxg2 fxg3 34. hxg3 Nd7 35. Ba7 b5 36. a5 c5 37. f4 Rc7 38. Bb6 Rb7 39. Rdc1 Nxb6 40. axb6 exf4 41. Rxc5 fxg3 42. Rc6 Reb8 43. Rbc1 h6 44. Rc8+ Rxc8 45. Rxc8+ Kh7 46. Rc6 b4 0-1

[Event "Unna op"]
[Site "Unna"]
[Date "2000.??.??"]
[Round "6"]
[White "Nattermueller, Mathias"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "77"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. d4 Bf5 5. 0-0 e6 6. e3 Be7 7. c4 dxc4 8. Ne1 0-0 9. Nc3 a6 10. Qe2 Na5 11. Bd2 c6 12. Rc1 b5 13. Nd1 Rc8 14. h3 Be4 15. f3 Bg6 16. Nf2 Nb7 17. a4 Qd7 18. Bh1 Rfd8 19. Rd1 Bd6 20. f4 Nd5 21. h4 Nf6 22. Bf3 h6 23. g4 Qe7 24. Ng2 Bc2 25. e4 Bxd1 26. Rxd1 Bb4 27. Bc1 Rd7 28. g5 hxg5 29. hxg5 Nh7 30. e5 c5 31. d5 exd5 32. Bxd5 Rcd8 33. Ne3 Nxg5 34. Qg4 Ne6 35. Ne4 Kf8 36. Nf5 Qe8 37. Qh5 f6 38. Qh8+ Kf7 39. Qxg7# 1-0

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.02.28"]
[Round "7"]
[White "Bertschik, Jonas"]
[Black "Tan, Stephan"]
[Result "0-1"]
[ECO "B02"]
[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 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. d4 Nc6 6. Nf3 Bg4 7. c4 Qe4+ 8. Be3 e5 9. Be2 Bb4+ 10. Kf1 exd4 11. Bxd4 0-0-0 12. Bd3 Bxf3 13. Bxe4 Bxd1 14. Bxc6 Rxd4 15. Bd5 Re8 16. g3 Be2+ 17. Kg2 Bxc4 18. Bf3 Bd5 19. a3 Bxf3+ 20. Kxf3 Rd3+ 21. Kg2 Bc5 22. Rac1 Bd4 23. Rc2 Rb3 24. Rhc1 c6 25. Rb1 Bf6 26. Rd2 Re5 27. Rc2 Reb5 28. Re1 Rxb2 29. Re8+ Kd7 30. Rxb2 Kxe8 31. Re2+ Kd7 32. Rd2+ Rd5 33. Re2 c5 34. Kf3 c4 35. Rc2 c3 36. Ke4 Rd2 37. Rc1 Rxf2 38. h4 c2 39. Kd3 Bb2 40. Rxc2 Rxc2 41. Kxc2 Bxa3 42. Kd3 h5 43. Kd4 Bd6 44. Kd3 Bxg3 45. Kd4 Bxh4 46. Ke4 a5 47. Kd4 Kc6 48. Kc4 b5+ 49. Kb3 Kc5 50. Ka3 Kc4 51. Ka2 b4 52. Kb2 a4 53. Ka2 a3 54. Ka1 b3 55. Kb1 a2+ 56. Kb2 Bf6+ 57. Kc1 b2+ 58. Kd2 b1Q 59. Ke2 Qd3+ 60. Kf2 a1Q 0-1

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1999.01.24"]
[Round "6"]
[White "Pyshchyk, Dimitrij"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "119"]
[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 Nf6 4. d3 Bc5 5. Bg5 d6 6. h3 0-0 7. Nc3 Be6 8. Nd5 Bxd5 9. Bxd5 Nd4 10. Nxd4 Bxd4 11. c3 c6 12. Bb3 Bb6 13. 0-0 h6 14. Bh4 Qe7 15. Kh1 Rad8 16. f4 exf4 17. Qf3 g5 18. Bf2 Bxf2 19. Rxf2 Rd7 20. Raf1 d5 21. exd5 Nxd5 22. g3 fxg3 23. Qxg3 Qd6 24. Qxd6 Rxd6 25. h4 Rg6 26. Bxd5 cxd5 27. Rf5 gxh4 28. Rxd5 Rg4 29. Rd7 b5 30. Rxa7 Rg5 31. Re7 f5 32. Re5 f4 33. Rg1 Rxg1+ 34. Kxg1 f3 35. Kf2 Rf4 36. Re4 Rxe4 37. dxe4 Kf7 38. Kxf3 Kf6 39. Kg4 h3 40. Kxh3 Ke5 41. Kg4 Kxe4 42. b3 Kd5 43. Kh5 Ke4 44. Kxh6 Kd3 45. a4 bxa4 46. bxa4 Kc4 47. Kg6 Kc5 48. Kf6 Kb6 49. c4 Kc5 50. a5 Kc6 51. Ke6 Kb7 52. c5 Kc6 53. a6 Kc7 54. a7 Kb7 55. Kd7 Kxa7 56. c6 Kb8 57. c7+ Kb7 58. c8Q+ Kb6 59. Qc6+ Ka5 60. Qb7 1-0

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1998.12.06"]
[Round "5"]
[White "Schulte, Stefanie"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "85"]
[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. c3 Nf6 5. d4 exd4 6. 0-0 dxc3 7. e5 Ng8 8. Qd5 Qe7 9. Nxc3 h6 10. Re1 Bb6 11. Nb5 Kd8 12. Qxf7 Qxf7 13. Bxf7 a6 14. Nc3 Nge7 15. Be3 Ba7 16. Rad1 Rf8 17. Be6 Ke8 18. Bg4 Rh8 19. a3 h5 20. Bh3 Ng6 21. Bg5 Nf8 22. Nd5 Bb8 23. Nf4 Ne6 24. Nxe6 dxe6 25. Bh4 Ba7 26. Ng5 Rh6 27. Rd3 Bd7 28. Kf1 b5 29. f4 Rb8 30. Red1 Bc8 31. g3 Bc5 32. Rc1 Bxa3 33. bxa3 Ne7 34. Rxc7 Rg6 35. Ne4 Nd5 36. Nd6+ Kf8 37. Rxc8+ Rxc8 38. Nxc8 Kf7 39. Nd6+ Kf8 40. Bxe6 Nc7 41. f5 Rg4 42. Rc3 Nxe6 43. Rc8+ 1-0

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1998.10.25"]
[Round "3"]
[White "Brillo, Sascha"]
[Black "Bertschik, Jonas"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "119"]
[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. d4 d5 2. c4 dxc4 3. Qa4+ Bd7 4. Qxc4 Nc6 5. e3 e5 6. d5 Nce7 7. e4 Ng6 8. Be3 Nf6 9. f3 Bd6 10. Qb3 b6 11. Bb5 0-0 12. Nd2 Re8 13. Ne2 a6 14. Bxd7 Nxd7 15. Rc1 Nc5 16. Qc2 Rc8 17. 0-0 c6 18. dxc6 Rxc6 19. b4 Qc8 20. bxc5 Bxc5 21. Bxc5 Rxc5 22. Qb2 Re6 23. Nb3 Rc7 24. Rxc7 Qxc7 25. Rc1 Qb7 26. Qc3 Ne7 27. Qc7 Qxc7 28. Rxc7 h6 29. Nc3 Ng6 30. Nd5 Rd6 31. Rb7 b5 32. Rb8+ Kh7 33. Rb6 Rxb6 34. Nxb6 Ne7 35. Nc5 a5 36. Nb7 Nc6 37. Kf2 Kg6 38. Ke3 Kf6 39. Nd5+ Ke6 40. Nc3 b4 41. Na4 Kd7 42. Nbc5+ Kc7 43. Nb3 Kb7 44. Kd3 Kc7 45. Kc4 Kb7 46. Kb5 f6 47. Nxa5+ Nxa5 48. Kxa5 Ka7 49. Kxb4 Ka6 50. a3 Kb7 51. Kb5 g6 52. Nc5+ Ka7 53. Nd7 f5 54. Nxe5 fxe4 55. fxe4 g5 56. Nf7 g4 57. Nxh6 g3 58. hxg3 Kb7 59. g4 Ka7 60. g5 1-0

[Event "NRW-chT U18 9899"]
[Site "Germany"]
[Date "1998.09.06"]
[Round "1"]
[White "Bertschik, Jonas"]
[Black "Neugebauer, Tobias"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "94"]
[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. c3 Qe7 5. 0-0 d6 6. Re1 Nf6 7. d4 Bb6 8. Bg5 0-0 9. b4 Bg4 10. d5 Nb8 11. a4 a5 12. Bb3 Nbd7 13. Na3 axb4 14. cxb4 Bd4 15. Ra2 Bc3 16. Re3 Bxb4 17. Qd3 Bc5 18. Re1 Bxa3 19. Rxa3 Nc5 20. Qd1 h6 21. Bxf6 Qxf6 22. Bc2 Ra7 23. h3 Bxf3 24. Rxf3 Qe7 25. Rg3 Kh8 26. Qg4 Qg5 27. Qxg5 hxg5 28. Rxg5 Nxa4 29. Rh5+ Kg8 30. Re3 Nc5 31. Rg3 Ra2 32. Bd3 Ra3 33. Rg4 Rxd3 34. Rgh4 f6 35. Rh8+ Kf7 36. R8h7 b5 37. R4h6 b4 38. g4 Nxe4 39. h4 b3 40. g5 b2 41. g6+ Ke8 42. Kg2 b1Q 43. Rxg7 Qc2 44. Re7+ Kxe7 45. Rh7+ Ke8 46. Rg7 Qxf2+ 47. Kh1 Rd1# 0-1

