[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2007.12.30"]
[Round "7.4"]
[White "Werthmann, Nils"]
[Black "Opitz, Jonas"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1067"]
[BlackElo "1075"]
[PlyCount "68"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Potsdam USV U12"]
[BlackTeam "Vaterstetten SC U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 Nc6 7. Be3 e5 8. Qd2 Re8 9. Rfe1 exd4 10. Bxd4 Nxd4 11. Nxd4 b6 12. f3 Bb7 13. Bb5 Re7 14. Bc6 Qc8 15. Bxb7 Qxb7 16. Ncb5 d5 17. e5 Nd7 18. f4 f6 19. e6 Nf8 20. Qb4 c5 21. Qa3 cxd4 22. Nxd4 f5 23. c3 Bxd4+ 24. cxd4 Nxe6 25. Re2 Rae8 26. Rae1 Kf7 27. Qe3 Qd7 28. Qh3 Nxf4 29. Qxh7+ Kf6 30. Qh4+ Kf7 31. Qh7+ Kf6 32. Qh4+ g5 33. Qh6+ Ng6 34. Qh3 Rxe2 0-1

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2007.12.29"]
[Round "6.4"]
[White "Opitz, Jonas"]
[Black "Baumann, Oliver"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1075"]
[BlackElo "888"]
[PlyCount "47"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Vaterstetten SC U12"]
[BlackTeam "Stuttgart Wolfbusch U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 Nf6 4. 0-0 e5 5. d3 Bc5 6. Nc3 0-0 7. e4 Bg4 8. Qd2 Qd7 9. Re1 d4 10. Ne2 Bb4 11. c3 Bc5 12. b4 dxc3 13. Nxc3 Bd4 14. Nxd4 Nxd4 15. Nd5 Nf3+ 16. Bxf3 Bxf3 17. Nxf6+ gxf6 18. Qh6 Rfd8 19. Qxf6 Qh3 20. Qxf3 Rd4 21. Bb2 Rxb4 22. Bxe5 Rb5 23. Qf6 Qg4 24. Qh8# 1-0

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2007.12.29"]
[Round "5.4"]
[White "Schmid, Bernd"]
[Black "Opitz, Jonas"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "776"]
[BlackElo "1075"]
[PlyCount "76"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Unterkochen U12"]
[BlackTeam "Vaterstetten SC U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. f4 Nf6 3. Nf3 g6 4. d4 Bg7 5. Nc3 0-0 6. Bc4 Nc6 7. Be3 Bd7 8. Qd3 Re8 9. 0-0-0 e5 10. fxe5 dxe5 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. Rhf1 Re8 14. Bd4 Bg4 15. Rd2 Qe7 16. Bxf6 Bxf6 17. Nd5 Qe5 18. Nxf6+ Kg7 19. Nxg4 Qg5 20. Nf6 Red8 21. Nd5 Rac8 22. Kb1 c6 23. g3 cxd5 24. exd5 a6 25. Bb3 b5 26. h4 Qe7 27. d6 Qd7 28. Rxf7+ Qxf7 29. Bxf7 Kxf7 30. d7 Rc7 31. Qd6 Ra7 32. Qd5+ Ke7 33. Qe5+ Kf7 34. Rf2+ Kg8 35. Qe7 Raxd7 36. Rf8+ Rxf8 37. Qxd7 Rf1+ 38. Qd1 Rxd1# 0-1

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2007.12.28"]
[Round "3.4"]
[White "Kupferschmid, Gernot"]
[Black "Opitz, Jonas"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1204"]
[BlackElo "1075"]
[PlyCount "53"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen U12"]
[BlackTeam "Vaterstetten SC U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. Be3 Nc6 7. Qe2 e5 8. 0-0-0 Qe8 9. Bb5 Bd7 10. d5 Ne7 11. Nd2 Bxb5 12. Qxb5 Qxb5 13. Nxb5 c6 14. dxc6 bxc6 15. Nxd6 Rad8 16. N6c4 Ng4 17. Bc5 Rd7 18. f3 Nf6 19. Nxe5 Rb7 20. Nb3 Ne8 21. Nd7 Rxd7 22. Rxd7 Bf6 23. Bxe7 Bxe7 24. Rxe7 Nf6 25. Rxa7 Rd8 26. Rd1 Rxd1+ 27. Kxd1 1-0

[Event "GER-chT U12"]
[Site "Verden an der Aller"]
[Date "2007.12.27"]
[Round "2.4"]
[White "Opitz, Jonas"]
[Black "Birnkraut, Tim"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1075"]
[BlackElo "1007"]
[PlyCount "69"]
[EventDate "2007.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "Vaterstetten SC U12"]
[BlackTeam "Brackel SF U12"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nc6 2. g3 d5 3. Bg2 Nf6 4. 0-0 Bg4 5. d3 Qd7 6. Nc3 Bh3 7. e4 Bxg2 8. Kxg2 d4 9. Ne2 e5 10. c3 h6 11. Qa4 Bc5 12. b4 Bb6 13. b5 Ne7 14. Nxe5 Qd6 15. cxd4 c5 16. Qc4 cxd4 17. Nxf7 Qd7 18. Nxh8 Rc8 19. Qf7+ Kd8 20. Ba3 Rc7 21. Rfc1 Ne8 22. Rxc7 Bxc7 23. Rc1 Nd6 24. Qf8+ Ne8 25. Nxd4 h5 26. f4 h4 27. e5 h3+ 28. Kf3 Qd5+ 29. Ke3 Qd7 30. e6 Nd5+ 31. Kd2 Ba5+ 32. Ke2 Qc7 33. Rxc7 Ndxc7 34. Qe7+ Kc8 35. Qd7+ 1-0

[Event "DESC tt op Gr. D email"]
[Site "DESC email"]
[Date "2004.04.01"]
[Round "1"]
[White "Cremerius, Armin"]
[Black "Opitz, Jonas"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "57"]
[EventDate "2004.04.01"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]
[WhiteTeam "Longerich"]
[BlackTeam "Vaterstetten II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. c4 Bg4 5. Nc3 e6 6. h3 Bf5 7. cxd5 exd5 8. Bb5 Bb4 9. Ne5 Qd6 10. Bxc6+ bxc6 11. Qa4 0-0 12. Qxc6 Be6 13. Bd2 Rfd8 14. a3 Ba5 15. 0-0 Rab8 16. b4 Bb6 17. a4 a5 18. Nb5 Qxc6 19. Nxc6 Ne4 20. Nxd8 Nxd2 21. Nc6 Rb7 22. bxa5 Bxa5 23. Nxa5 Rb6 24. Rfc1 h5 25. Nxc7 Rb2 26. Nc6 g5 27. Nxe6 fxe6 28. a5 Rb6 29. axb6 1-0

[Event "DESC tt op Gr. D email"]
[Site "DESC email"]
[Date "2004.04.01"]
[Round "1"]
[White "Opitz, Jonas"]
[Black "Saleski, Marcel Von"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "46"]
[EventDate "2004.04.01"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bg5 Bg7 5. e3 0-0 6. Bb5 c6 7. Bd3 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. e4 Qb6 11. Qe3 Qxb2 12. Kd2 e5 13. dxe5 Nxe4+ 14. Nxe4 dxe4 15. Bxe4 Qxe5 16. Bf4 Qa5+ 17. c3 Rfe8 18. Rhe1 Nb6 19. Ke2 Nd5 20. c4 Nxe3 21. Kxe3 Bxa1 22. Rxa1 Qc3+ 23. Ke2 Rxe4+ 0-1

[Event "DESC tt op Gr. D email"]
[Site "DESC email"]
[Date "2004.04.01"]
[Round "1"]
[White "Opitz, Jonas"]
[Black "Schwarte, Joachim"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "36"]
[EventDate "2004.04.01"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]
[WhiteTeam "Vaterstetten II"]
[BlackTeam "Die Mattratten"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 g6 4. Bg5 Ne4 5. e3 Nxg5 6. Nxg5 e5 7. Bb5+ c6 8. Bd3 Qxg5 9. h4 Qxg2 10. Ke2 Bg4+ 11. Kd2 Bxd1 12. Rhxd1 Qxf2+ 13. Ne2 Bh6 14. Rf1 Qxe3+ 15. Kc3 Nd7 16. dxe5 Qd2+ 17. Kb3 Nc5+ 18. Ka3 Qa5# 0-1

[Event "DESC tt op Gr. D email"]
[Site "DESC email"]
[Date "2004.04.01"]
[Round "1"]
[White "Rusack, Burghard"]
[Black "Opitz, Jonas"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "37"]
[EventDate "2004.04.01"]
[EventType "team-tourn (corr)"]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]
[WhiteTeam "DESC III"]
[BlackTeam "Vaterstetten II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 g5 2. e4 Nf6 3. e5 Ne4 4. f3 d5 5. fxe4 dxe4 6. Nc3 Nc6 7. Be3 Bh6 8. Nxe4 Bf5 9. Ng3 Be6 10. c4 0-0 11. d5 Bc8 12. dxc6 bxc6 13. Qh5 Bg7 14. Rd1 Bg4 15. Qxg4 Qb8 16. Rd2 Bxe5 17. Qxg5+ Bg7 18. Nf5 Rd8 19. Qxg7# 1-0

