[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.30"]
[Round "7.8"]
[White "Wartenberg, Alexander"]
[Black "Luccone, Constantin"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1695"]
[BlackElo "1377"]
[PlyCount "57"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Brackel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. Bg5 Be6 11. Qf3 Be7 12. h3 Rb8 13. Rab1 Re8 14. Ne2 c5 15. c3 Qb6 16. b3 a5 17. Nf4 Rbd8 18. Rfe1 h6 19. Nxe6 fxe6 20. Bd2 Bd6 21. Bxh6 Rf8 22. Bg5 Rb8 23. Bg6 Ne4 24. Qh5 Nxg5 25. Qxg5 Rxf2 26. Kxf2 c4+ 27. Ke2 Qa6 28. Qh5 cxb3+ 29. Bd3 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.29"]
[Round "5.7"]
[White "Gersemann, Karl"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1520"]
[BlackElo "1695"]
[PlyCount "95"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. Bd3 Bd6 8. h3 h6 9. 0-0 0-0 10. Re1 Nc6 11. a3 a6 12. Bd2 Be6 13. Qc1 Re8 14. Bf4 Bf8 15. b3 Qd7 16. Ne5 Nxe5 17. Bxe5 Qc6 18. Ne2 Nd7 19. Bg3 Bd6 20. Bxd6 Qxd6 21. c4 c6 22. Qc2 Nf6 23. a4 Rac8 24. c5 Qd8 25. b4 Bd7 26. Nc3 Qc7 27. Qd2 Nh7 28. Rxe8+ Rxe8 29. b5 axb5 30. axb5 b6 31. cxb6 Qxb6 32. Na4 Qb8 33. b6 Nf8 34. Qb4 Ne6 35. Nc5 Nxc5 36. dxc5 Bc8 37. Ra7 Bb7 38. g3 Qc8 39. Qg4 Qxg4 40. hxg4 Rb8 41. Ba6 Bxa6 42. Rxa6 Kf8 43. Ra7 Ke8 44. Rc7 d4 45. Rxc6 d3 46. Rd6 Rd8 47. Rxd8+ Kxd8 48. Kf1 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.29"]
[Round "6.9"]
[White "Shevchenko, Igor1"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1552"]
[BlackElo "1695"]
[PlyCount "78"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Magdeburg Schachzwerge"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. a4 e6 6. Bg5 Be7 7. e3 a5 8. Bd3 0-0 9. 0-0 Na6 10. cxd5 cxd5 11. Rc1 Nb4 12. Bb1 b6 13. Qd2 Ba6 14. Rfd1 Rc8 15. Ne5 Ne8 16. Bxe7 Qxe7 17. Nb5 Nd6 18. Nxd6 Qxd6 19. Rc3 f6 20. Nd3 Bxd3 21. Bxd3 Nxd3 22. Qxd3 Qb4 23. Rb3 Qxa4 24. Rxb6 Rb8 25. Rxb8 Rxb8 26. Rb1 Qa2 27. Qc2 a4 28. Qc1 Qb3 29. Ra1 Qxb2 30. Qxb2 Rxb2 31. Kf1 Rb4 32. Ke2 Kf7 33. Ra2 Ke7 34. Kd3 Rc4 35. e4 Kd6 36. f4 Rb4 37. e5+ fxe5 38. fxe5+ Kc6 39. Rc2+ Kb6 0-1

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.28"]
[Round "4.6"]
[White "Wartenberg, Alexander"]
[Black "Kovalskyy, Alicia"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1695"]
[BlackElo "1577"]
[PlyCount "85"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Duesseldorf SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. Bg5 c6 11. Qf3 Bd6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2 Be5 15. Rab1 Rb8 16. b3 Re8 17. Rfe1 Bd7 18. Ng3 Bc3 19. Rxe8+ Rxe8 20. Kf1 Re5 21. Ne2 Ba5 22. b4 Bb6 23. Re1 Bf5 24. f4 Re4 25. Bxe4 Bxe4 26. c3 Be3 27. Ra1 Kf8 28. g3 Ke7 29. Ke1 Kd7 30. Nd4 Kc7 31. Rd1 Kb6 32. Ke2 Bxd4 33. Rxd4 Kb5 34. Ke3 f5 35. h3 h5 36. h4 a6 37. Ke2 Bb1 38. Kd2 Bxa2 39. Kc2 Bc4 40. Rd1 Ka4 41. Ra1+ Kb5 42. Re1 d4 43. Re5+ 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.28"]
[Round "3.4"]
[White "Wartenberg, Alexander"]
[Black "Vu, Hoang Bach"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1695"]
[BlackElo "1230"]
[PlyCount "93"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Lichtenberg Borussia"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 Nc6 6. Nb5 Qd8 7. c3 a6 8. Na3 e5 9. Be3 Bxa3 10. bxa3 e4 11. Nd2 0-0 12. Bg5 Re8 13. Bc4 b5 14. Bb3 Qd6 15. Bxf6 Qxf6 16. 0-0 Bb7 17. Re1 Qf4 18. Qc2 Na5 19. Re3 Nxb3 20. Qxb3 Re6 21. Rae1 Kh8 22. Qb1 Rae8 23. Nb3 Rh6 24. g3 Qg4 25. f3 Qh5 26. Qc2 Bc6 27. Nc5 f5 28. fxe4 fxe4 29. Nxa6 Rf6 30. Rf1 Rxf1+ 31. Kxf1 Rf8+ 32. Kg1 Bd7 33. Qxe4 Bh3 34. Re1 Qh6 35. Qf4 g5 36. Qe5+ Kg8 37. Qd5+ Kg7 38. Nxc7 Rf7 39. Ne6+ Kg6 40. Qe4+ Kh5 41. Qe5 Bf5 42. Kg2 Kg6 43. h4 gxh4 44. Qe3 Qxe3 45. Rxe3 h3+ 46. Kh2 Bxe6 47. Rxe6+ 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.27"]
[Round "2.1"]
[White "Li, Yunqi"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1667"]
[BlackElo "1695"]
[PlyCount "101"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Kornwestheim"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. Be2 e6 8. 0-0 Bd6 9. h3 Bf5 10. Bb2 0-0 11. Nh4 Bg6 12. Nxg6 hxg6 13. cxb5 cxb5 14. Bf3 Nbd7 15. Qe2 Qb6 16. Rac1 Rfc8 17. e4 dxe4 18. Nxe4 Nxe4 19. Bxe4 Rab8 20. Bxg6 Nf6 21. Bd3 Bf4 22. Rxc8+ Rxc8 23. Qf3 Bd6 24. d5 e5 25. Qf5 Re8 26. Re1 Qa5 27. Re2 Qb6 28. Bxe5 Bxe5 29. Rxe5 Rxe5 30. Qxe5 Qc5 31. g4 Nd7 32. Qe8+ Nf8 33. Be4 g6 34. Kg2 Kg7 35. Bf3 Qd6 36. Qc8 Kf6 37. Qc6 Ke7 38. Qxd6+ Kxd6 39. h4 a5 40. a3 Ke5 41. b4 axb4 42. axb4 Nd7 43. Kg3 Nb8 44. h5 g5 45. h6 Kf6 46. Be4 Nd7 47. Bf5 Nb8 48. d6 Nc6 49. d7 Nd8 50. f4 gxf4+ 51. Kxf4 1-0

[Event "GER-chT U12"]
[Site "Magdeburg"]
[Date "2023.12.27"]
[Round "1.6"]
[White "Wartenberg, Alexander"]
[Black "Wagner, Cosima Thien An"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "1695"]
[BlackElo "1531"]
[PlyCount "51"]
[EventDate "2023.12.26"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Tegernsee"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 0-0 11. h4 f5 12. exf5 gxf5 13. g3 b6 14. Bg2 Rb8 15. Rd1 Nc5 16. 0-0 d6 17. Bg5 Bxc3 18. Qxc3 Ne4 19. Bxe4 fxe4 20. Rd5 Rf5 21. Qd4 Be6 22. Bh6 Rf6 23. Rg5+ Kf7 24. Rg7+ Ke8 25. Rxh7 Kd7 26. Qxf6 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.06"]
[Round "8"]
[White "Junge, Julia Marie"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1372"]
[BlackElo "1669"]
[PlyCount "70"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bb4 7. f3 Qa5 8. Nde2 0-0 9. 0-0 Qc5+ 10. Kh1 Qxc4 11. a3 Bxc3 12. Nxc3 d5 13. exd5 Nxd5 14. Nxd5 Qxd5 15. Bf4 Qxd1 16. Raxd1 e5 17. Be3 Be6 18. Bc5 Rfd8 19. b4 Rxd1 20. Rxd1 Rd8 21. Rxd8+ Nxd8 22. Bxa7 b5 23. g4 Bd5 24. Kg2 e4 25. f4 e3+ 26. Kf1 Bc4+ 27. Ke1 e2 28. Be3 Kf8 29. c3 Ke7 30. h4 Ke6 31. Bd4 g6 32. Kd2 Kd5 33. Bf2 Ke4 34. Be3 Kf3 35. g5 Ne6 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.06"]
[Round "9"]
[White "Wartenberg, Alexander"]
[Black "Esser, Julian"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1669"]
[BlackElo "1708"]
[PlyCount "50"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Bb5+ Bd7 10. Bxd7+ Nxd7 11. Qxh7 cxd4 12. Qd3 Qxe5+ 13. Qe2 dxc3 14. Qxe5 Nxe5 15. Ne2 Rc8 16. Be3 Nf5 17. Bxa7 Rxg2 18. Ng3 Nh4 19. Ke2 Nef3 20. Rab1 Rc7 21. Rb4 e5 22. Bb8 Re7 23. Bd6 Rd7 24. Bc5 e4 25. Nxe4 Rg6 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "7"]
[White "Aizbalts, Martin"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1385"]
[BlackElo "1669"]
[PlyCount "56"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. Nxc6 bxc6 8. 0-0 Bxc3 9. bxc3 Nxe4 10. Qe1 0-0 11. Bd3 Nf6 12. Bg5 h6 13. Bh4 g6 14. Kh1 Kg7 15. Rb1 Qa5 16. Rb5 cxb5 17. Qe5 Qd8 18. Be4 d5 19. Bd3 a6 20. f4 Re8 21. h3 d4 22. Be4 Ra7 23. g4 Bb7 24. Bxb7 Rxb7 25. g5 Qd5+ 26. Qxd5 Nxd5 27. gxh6+ Kxh6 28. Bg5+ Kg7 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "6"]
[White "Wartenberg, Alexander"]
[Black "Frisch, Thomas"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1669"]
[PlyCount "84"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nf6 7. Bg2 Be7 8. exd5 cxd5 9. 0-0 0-0 10. d4 Nc6 11. Ne2 Re8 12. c3 Rc8 13. Qe3 Na5 14. b3 b5 15. f4 Nb7 16. Bb2 Nd6 17. Kh2 Qd7 18. Ng1 Nfe4 19. Rac1 Rb8 20. Nf3 f6 21. Nd2 Nf5 22. Qd3 Nexg3 23. Rf3 Nh5 24. Rcf1 Bd6 25. Bc1 Nxf4 26. Rxf4 g5 27. Nb1 gxf4 28. Bxf4 Bxf4+ 29. Rxf4 Qc7 30. Qf3 Re7 31. Kh1 Rg7 32. Rg4 Kh8 33. Nd2 Rbg8 34. c4 Ng3+ 35. Kg1 f5 36. Rxg7 Qxg7 37. cxd5 Qxd4+ 38. Qf2 Ne2+ 39. Kf1 Qxd2 40. Qh4 Qf4+ 41. Qf2 Qxf2+ 42. Kxf2 Nf4 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.04"]
[Round "5"]
[White "Sauer, Andreas"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1340"]
[BlackElo "1669"]
[PlyCount "98"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. f3 Nc6 6. e4 e5 7. dxe5 Nxe5 8. exd5 Bc5 9. Bb5+ Bd7 10. Bxd7+ Nexd7 11. Qe2+ Qe7 12. Bg5 0-0 13. Qxe7 Bxe7 14. 0-0-0 h6 15. Bh4 Bb4 16. Nge2 Rac8 17. Kb1 Rfe8 18. Rc1 g6 19. Rhd1 Kg7 20. a3 Ba5 21. Bf2 Bb6 22. Bxb6 Nxb6 23. d6 Red8 24. Ng3 Nc4 25. Nge4 Nxe4 26. Nxe4 f5 27. d7 Nxa3+ 28. bxa3 Rxc1+ 29. Rxc1 fxe4 30. Rc7 exf3 31. gxf3 Kf7 32. Rxb7 a5 33. Kc2 Ke7 34. Rb6 Rf8 35. Rxg6 Rxf3 36. Rxh6 Rxa3 37. Rd6 Kd8 38. h4 Rh3 39. Rd4 a4 40. Kb2 Rb3+ 41. Ka2 Rh3 42. Kb2 Rb3+ 43. Kc2 Rh3 44. Rxa4 Kxd7 45. Kd2 Ke6 46. Ke2 Kf5 47. Kf2 Rb3 48. Ra5+ Kg6 49. Kg2 Rc3 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.04"]
[Round "4"]
[White "Wartenberg, Alexander"]
[Black "Stiller, Harald"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1669"]
[BlackElo "1363"]
[PlyCount "92"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Ngf6 5. Nc3 g6 6. d4 cxd4 7. Nxd4 Bg7 8. 0-0 0-0 9. Be3 a6 10. Bxd7 Bxd7 11. Qe2 Rc8 12. Rac1 Ng4 13. Rfd1 Nxe3 14. Qxe3 Rxc4 15. Nde2 Be6 16. b3 Rc6 17. Nd4 Bxd4 18. Qxd4 Qc7 19. Ne2 Rc8 20. Rxc6 Qxc6 21. Nf4 Qc3 22. h3 Qxd4 23. Rxd4 Rc1+ 24. Kh2 Rc2 25. Rb4 Rxf2 26. Nxe6 fxe6 27. a4 b5 28. axb5 axb5 29. Rxb5 e5 30. Kg1 Rf8 31. g3 Kf7 32. Kf2 Ke6+ 33. Ke2 Rc8 34. Kd2 Ra8 35. Rb6 h5 36. Ke3 Ra2 37. b4 Ra3+ 38. Kf2 Rb3 39. Rb8 Kf7 40. b5 Rb4 41. Kf3 Rb3+ 42. Kf2 Rb4 43. Ke3 Rb3+ 44. Kf2 Rb4 45. Ke3 Rb3+ 46. Kf2 Rb4 1/2-1/2

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.03"]
[Round "3"]
[White "Loheide, Michel"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1830"]
[BlackElo "1669"]
[PlyCount "77"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Nf3 Nf6 5. Nc3 Nc6 6. Bg5 Ne4 7. Bf4 e6 8. e3 Qa5 9. Qb3 Bb4 10. Rc1 Bd7 11. Bd3 0-0 12. 0-0 Nf6 13. a3 Bxc3 14. bxc3 Rfc8 15. c4 Ne7 16. Ne5 Be8 17. Qxb7 Ng6 18. Nxg6 hxg6 19. cxd5 Rxc1 20. Qxa8 Rxf1+ 21. Bxf1 exd5 22. Be5 Qa4 23. Bxf6 gxf6 24. Qxd5 Qxa3 25. Qd8 Kf8 26. Qxf6 a5 27. h4 Qa1 28. g4 a4 29. h5 gxh5 30. gxh5 Qb1 31. h6 Qg6+ 32. Qxg6 fxg6 33. Bc4 a3 34. Ba2 Bf7 35. h7 Kg7 36. Bxf7 Kxh7 37. Ba2 Kg7 38. d5 Kf6 39. e4 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.02"]
[Round "1"]
[White "Bilenko, Yaroslav"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2062"]
[BlackElo "1669"]
[PlyCount "211"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Be6 8. Qd2 0-0 9. 0-0-0 Qe8 10. Kb1 Qa4 11. b3 Qa5 12. h4 Bf6 13. Kb2 d5 14. Ng5 Bf5 15. Bd3 d4 16. cxd4 Bxd4+ 17. c3 Bf6 18. Qc2 Bg6 19. Bxg6 hxg6 20. Ne4 Nc6 21. h5 g5 22. h6 gxf4 23. hxg7 Kxg7 24. Qe2 Qf5 25. Qf3 Rh8 26. Ng3 Qg5 27. Nh5+ Kg6 28. Nxf4+ Kg7 29. Nh5+ Kg6 30. Nf4+ Kg7 31. Nh5+ Kg6 32. Rd5 Ne5 33. Qe4+ Qf5 34. Nf4+ Kg5 35. Nh3+ Rxh3 36. Qxf5+ Kxf5 37. Rxh3 Ke6 38. Rd1 Rd8 39. Rxd8 Bxd8 40. Rh8 Kd7 41. Kc2 Ng4 42. Rh3 Ke6 43. Rf3 Ne5 44. Re3 Bg5 45. Re2 Kd6 46. g3 Ng4 47. f3 Ne3+ 48. Kd3 Nd5 49. a3 Bf6 50. Rc2 Bg7 51. c4 Ne7 52. Rh2 Bf6 53. g4 Ng6 54. Ke4 Be5 55. Rh6 Bb2 56. a4 Ke7 57. Rh5 Bc1 58. Rf5 Bd2 59. Rd5 Bc1 60. Rd1 Bf4 61. Kf5 Bd6 62. Re1+ Kf8 63. Rf1 Nf4 64. Rd1 Ng6 65. Rd4 Nh4+ 66. Ke4 Ng6 67. Rd5 b6 68. Rf5 Nh4 69. Rf6 Ke7 70. Rh6 Ng6 71. f4 Nf8 72. f5 f6 73. Kd5 a5 74. Kc6 Bf4 75. Rh1 Bd6 76. Re1+ Kd8 77. Rh1 Ke7 78. Rh3 Kd8 79. Rh8 Ke7 80. Rh6 Bf4 81. Rh1 Bd6 82. Rh8 Kf7 83. Rh5 Kg7 84. g5 fxg5 85. Rxg5+ Kf6 86. Rh5 Ke5 87. Rh6 Kxf5 88. Rxd6 cxd6 89. Kxb6 Ke6 90. Kxa5 Kd7 91. Kb6 Ne6 92. a5 Kc8 93. b4 Nc7 94. Kc6 Ne8 95. b5 Nc7 96. a6 Kb8 97. Kxd6 Kc8 98. a7 Kb7 99. Kd7 Na8 100. c5 Kxa7 101. Kc6 Kb8 102. b6 Nxb6 103. Kxb6 Kc8 104. Kc6 Kb8 105. Kd7 Kb7 106. c6+ 1-0

[Event "Kiel op 34th"]
[Site "Kiel"]
[Date "2022.08.04"]
[Round "8"]
[White "Walther, Joachim"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "1910"]
[BlackElo "1623"]
[PlyCount "45"]
[EventDate "2022.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 Bg4 6. Ne5 Bh5 7. cxd5 cxd5 8. Qb3 Nc6 9. Nxc6 bxc6 10. a5 e6 11. e3 Bd6 12. Bd3 Bg6 13. Be2 0-0 14. Qa4 Qc7 15. g3 Ne4 16. Nxe4 Bxe4 17. Rg1 Rfb8 18. Qd1 Bb4+ 19. Bd2 Bxd2+ 20. Qxd2 Qb7 21. f3 Bg6 22. Rc1 f6 23. Kf2 1/2-1/2

[Event "Kiel op 34th"]
[Site "Kiel"]
[Date "2022.07.30"]
[Round "1"]
[White "Wartenberg, Alexander"]
[Black "Boehme, Sebastian1111"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1623"]
[BlackElo "2168"]
[PlyCount "72"]
[EventDate "2022.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 7. Bc4 Nf6 8. Ne5 e6 9. Qe2 b5 10. Nxc6 Qc7 11. Bxb5 a6 12. Ba4 Bd7 13. Qc4 Rc8 14. Qxa6 Bxc6 15. Bxc6+ Qxc6 16. Qxc6+ Rxc6 17. c3 Bd6 18. b4 Kd7 19. 0-0 Ng4 20. h3 Ne5 21. a4 Nd3 22. g3 h5 23. Ba3 Rc4 24. Kg2 h4 25. a5 Ra8 26. Kf3 e5 27. Ke3 e4 28. f3 hxg3 29. fxe4 Nf2 30. Bb2 Rxe4+ 31. Kf3 Rae8 32. a6 Nxh3 33. b5 Ng5+ 34. Kg2 Re2+ 35. Kg1 Nh3+ 36. Kh1 Rh2# 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.11"]
[Round "9"]
[White "Wartenberg, Alexander"]
[Black "Aweh, Mads"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1682"]
[BlackElo "1438"]
[PlyCount "95"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Rb8 13. a4 bxa4 14. Ncb4 Nxb4 15. cxb4 0-0 16. Rxa4 a5 17. b5 Bd7 18. Nc3 Qb6 19. Be2 Rfc8 20. 0-0 Rc5 21. Qd3 Qc7 22. Rd1 Be7 23. Qb1 g6 24. Rd5 Ra8 25. Qa1 Be6 26. Rxc5 dxc5 27. Bc4 Qb6 28. Bxe6 fxe6 29. Qf1 Rd8 30. Ra1 Rd2 31. g3 Bd8 32. Rd1 Rd6 33. Rxd6 Qxd6 34. Qd1 Qd4 35. Qxd4 exd4 36. Na4 Be7 37. b3 Kf7 38. b6 e5 39. b7 Bd6 40. Nxc5 Ke7 41. Na6 Kd7 42. f4 exf4 43. gxf4 Bxf4 44. b8Q Bxb8 45. Nxb8+ Kc7 46. Na6+ Kd6 47. Kf2 Ke5 48. Kf3 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "8"]
[White "Dodul, Arthur"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "C27"]
[WhiteElo "1443"]
[BlackElo "1682"]
[PlyCount "154"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bb4 4. d3 c6 5. Bd2 0-0 6. Nf3 d5 7. exd5 cxd5 8. Bb3 Nc6 9. Qe2 Nd4 10. Qf1 Nxb3 11. axb3 Re8 12. 0-0-0 Qa5 13. Kb1 Bg4 14. h3 Bxf3 15. gxf3 d4 16. Ne4 Nxe4 17. Bxb4 Qxb4 18. fxe4 a5 19. Qe1 Qxe1 20. Rhxe1 Re6 21. Rg1 h6 22. Rg3 Rf6 23. Rdg1 g6 24. Rf1 Rf4 25. c3 Rc8 26. c4 Rc6 27. Kc2 Rcf6 28. f3 Kh7 29. Kd2 g5 30. Rf2 Kg6 31. Rf1 Kh5 32. Ke2 Rb6 33. Rc1 Rxb3 34. Rc2 Kh4 35. Rg1 Rf6 36. Rd1 Rfb6 37. Rdd2 Kh5 38. Kf2 Kg6 39. Kg3 h5 40. h4 f6 41. hxg5 fxg5 42. c5 Rc6 43. Rc4 Rb5 44. Rdc2 Rb3 45. Rd2 b6 46. cxb6 Rxc4 47. dxc4 Rxb6 48. Rc2 Kf6 49. Rh2 Kg6 50. Rc2 Kf7 51. Rh2 Rh6 52. Rh1 h4+ 53. Kg4 Kg6 54. c5 Rh8 55. c6 Rf8 56. Rf1 Rf6 57. Ra1 Rxc6 58. Rxa5 Rf6 59. Ra3 Rb6 60. b4 Rd6 61. Rd3 Kf6 62. Rd2 Rb6 63. Rb2 Rb5 64. Rb3 Kg6 65. Rb2 Rb6 66. Rb3 Rd6 67. Rd3 Rf6 68. b5 Rf4+ 69. Kh3 g4+ 70. fxg4 Rxe4 71. Kxh4 Rf4 72. b6 Rf7 73. Rb3 Rb7 74. Kg3 e4 75. Rb4 d3 76. Rxe4 Rxb6 77. Rd4 Rb3 1/2-1/2

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.09"]
[Round "7"]
[White "Wartenberg, Alexander"]
[Black "Malinowsky, Levi"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1682"]
[BlackElo "1816"]
[PlyCount "62"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Bd3 Be7 8. 0-0 b6 9. Be3 Bb7 10. Qb3 Ng4 11. g3 Nxe3 12. fxe3 d6 13. Rf3 Nd7 14. Raf1 Bf6 15. Na4 Bc6 16. R3f2 0-0 17. Nc3 Rac8 18. Qc2 Ne5 19. b3 Ng4 20. Rxf6 Nxf6 21. Qg2 Nd7 22. Qh3 Ne5 23. Bc2 Bb7 24. Rf4 b5 25. Rh4 h6 26. Nce2 bxc4 27. Nf4 cxb3 28. Bxb3 Qc1+ 29. Kg2 Bxe4+ 30. Kf2 Qd2+ 31. Nde2 Rc1 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "5"]
[White "Freude, Paul"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1415"]
[BlackElo "1682"]
[PlyCount "55"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 0-0 8. 0-0-0 Re8 9. Qf4 Nxe4 10. Bc4 Ng5 11. Nh3 Ne6 12. Qg3 f6 13. Rhe1 Qe7 14. Nf4 Qf7 15. Nd5 Ne5 16. Bxe5 fxe5 17. Nxc7 d5 18. Nxe8 dxc4 19. Nd6 Qf4+ 20. Qxf4 Nxf4 21. Rxe5 Bg4 22. Rde1 h6 23. Re8+ Rxe8 24. Rxe8+ Kh7 25. Re4 Ne2+ 26. Kd2 Bh5 27. Rxe2 Bxe2 28. Kxe2 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "6"]
[White "Wartenberg, Alexander"]
[Black "Riechenberg, Sebastian"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1682"]
[BlackElo "1668"]
[PlyCount "95"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2 Rb8 15. Nd4 Bc5 16. Nxc6 Rxb2 17. Rfb1 Rb6 18. Rxb6 axb6 19. c3 Be6 20. Nd4 Rc8 21. a4 Bd6 22. Rc1 Be5 23. Ne2 Bd7 24. Bc2 Ra8 25. Ra1 b5 26. a5 b4 27. f4 Bxc3 28. Nxc3 bxc3 29. Kf2 d4 30. Bd3 Bc6 31. g3 Kf8 32. Ke2 Ke7 33. a6 Kd6 34. Ra5 Re8+ 35. Kd1 Kc7 36. Rf5 Be4 37. Bxe4 Rxe4 38. Rxf6 d3 39. Rxf7+ Kb8 40. a7+ Ka8 41. Rc7 Re2 42. Rxc3 Kxa7 43. h4 Re3 44. g4 Re4 45. Rc7+ Kb8 46. Rf7 Kc8 47. Kd2 Rd4 48. g5 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.07"]
[Round "4"]
[White "Wartenberg, Alexander"]
[Black "Mandalka, Justus"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1682"]
[BlackElo "1402"]
[PlyCount "135"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. f3 Nxd4 11. Bxd4 a5 12. Nd5 Nxd5 13. cxd5 Rc8 14. Qd2 f5 15. Bxg7 Kxg7 16. Qd4+ Kg8 17. Bd3 Rc5 18. Rac1 Qc7 19. Rxc5 dxc5 20. Rc1 Rc8 21. Qc4 b5 22. d6+ bxc4 23. Bxc4+ e6 24. dxc7 Rxc7 25. e5 Kf7 26. Rd1 Ke7 27. f4 Rb7 28. b3 Rb6 29. g3 a4 30. Kf2 axb3 31. axb3 Rb7 32. Ra1 Bb5 33. Ra5 Bxc4 34. bxc4 Rc7 35. Ke3 Kd7 36. Kd3 Kc6 37. Ra6+ Kd7 38. Rd6+ Ke7 39. Kc3 h6 40. Rb6 Kd7 41. Kb3 Ra7 42. Rd6+ Ke7 43. Rc6 Ra5 44. Rc7+ Kf8 45. Rb7 Ra6 46. Rb5 Rc6 47. Ka4 g5 48. Ka5 gxf4 49. gxf4 Ke7 50. Rb7+ Kf8 51. Kb5 Rc8 52. Rb6 Kf7 53. Rc6 Rg8 54. Rc7+ Kg6 55. Kxc5 Kh5 56. Kd6 Kg4 57. c5 Kxf4 58. c6 Ke4 59. Rh7 f4 60. Rxh6 f3 61. Rf6 Ke3 62. c7 f2 63. Kd7 Rg7+ 64. Kc8 Rg5 65. Rxf2 Kxf2 66. Kb8 Rg8+ 67. c8Q Rxc8+ 68. Kxc8 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.06"]
[Round "3"]
[White "Martin Fernandez, Rafael"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1678"]
[BlackElo "1682"]
[PlyCount "71"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 d5 5. exd5 Nxd5 6. 0-0 Bg4 7. h3 Bh5 8. Nc3 Nxc3 9. bxc3 Bc5 10. Re1 Bd6 11. Nxe5 Nxe5 12. Qxh5 0-0 13. Rxe5 Bxe5 14. Qxe5 Re8 15. Qg3 Re1+ 16. Kh2 Qf6 17. Bb2 Rxa1 18. Bxa1 c6 19. d4 b5 20. Bd3 Qe6 21. Qh4 g6 22. c4 bxc4 23. Be4 f5 24. Bf3 Qd6+ 25. Qg3 f4 26. Qg5 Rb8 27. d5 Re8 28. dxc6 Re1 29. Bd5+ Kf8 30. Qf6+ Qxf6 31. Bxf6 Re8 32. c7 Rc8 33. Bd8 Ke8 34. Bc6+ Kf7 35. Bd7 Rxc7 36. Bxc7 1-0

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "1"]
[White "Dell, Philip"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1457"]
[BlackElo "1682"]
[PlyCount "64"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 0-0 5. e3 d6 6. Bb2 d5 7. Be2 Nc6 8. 0-0 Bg4 9. d4 Ne4 10. Nbd2 f5 11. Nxe4 fxe4 12. Nd2 Be6 13. c4 Qg5 14. Nxe4 dxe4 15. d5 Bh3 16. g3 Bxf1 17. Bxf1 Ne5 18. Be2 Nf3+ 19. Bxf3 exf3 20. h3 Bd6 21. Kh2 Be5 22. Qc2 Bxb2 23. Qxb2 Qf6 24. Qc1 c6 25. Rb1 b6 26. Qd2 Qf5 27. Rd1 cxd5 28. cxd5 Rac8 29. Qd4 Rc2 30. e4 Qc8 31. Qd3 Rxf2+ 32. Kg1 Rg2+ 0-1

[Event "GER-ch U12"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "2"]
[White "Wartenberg, Alexander"]
[Black "Albrecht, Neil"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1682"]
[BlackElo "1376"]
[PlyCount "111"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Rb8 12. Ne2 Bd6 13. Nd4 Bd7 14. Rfe1 Be7 15. Nf5 Bxf5 16. Qxf5 g6 17. Qe5 Re8 18. Qf4 Rb4 19. Qe3 d4 20. Qf3 Nd5 21. Qe4 Rb8 22. Bxe7 Nxe7 23. Bc4 c5 24. b3 Qd7 25. Qf3 Nc6 26. Bxf7+ Qxf7 27. Qxc6 Rbc8 28. Rxe8+ Qxe8 29. Qxe8+ Rxe8 30. Kf1 Kf7 31. Re1 Rc8 32. Re4 Rc7 33. Ke2 Kf6 34. Kd3 Kf5 35. f3 g5 36. Kc4 h5 37. g3 g4 38. Rf4+ Kg5 39. fxg4 hxg4 40. Rf8 Rh7 41. Rc8 Kf5 42. Kd3 Rxh2 43. Rxc5+ Kf6 44. Kxd4 Rf2 45. a4 Rg2 46. Rc3 Rd2+ 47. Ke4 Rd6 48. Rc4 Kg5 49. Rc5+ Kg6 50. Rd5 Rc6 51. c4 Rf6 52. c5 Rf3 53. Rd3 Rf1 54. c6 Rc1 55. Kd5 a5 56. Kd6 1-0

[Event "GER-chT U12"]
[Site "Naumburg Saale"]
[Date "2022.03.28"]
[Round "6.3"]
[White "Gulamzada, Elmir"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1291"]
[BlackElo "1639"]
[PlyCount "89"]
[EventDate "2022.03.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Werder Bremen"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5 6. Be2 0-0 7. 0-0 Re8 8. d3 Qd6 9. Na4 Bd4 10. c3 Be5 11. f4 Bd4+ 12. cxd4 Qxd4+ 13. Kh1 b6 14. Nc3 Bb7 15. Bf3 Ba6 16. e5 Nd5 17. Nxd5 cxd5 18. Qb3 Rad8 19. Re1 c5 20. Be3 Qxd3 21. Be2 Qxb3 22. axb3 Bxe2 23. Rxe2 d4 24. Bf2 a5 25. Rd2 h6 26. Re1 Re7 27. Rde2 Rde8 28. Kg1 Kh7 29. Kf1 g5 30. f5 Kg8 31. e6 f6 32. Bg3 Rd8 33. Rd2 Rd5 34. Rf2 Kg7 35. Bc7 Kf8 36. Bxb6 Rb7 37. Bxa5 Rxb3 38. Bd8 d3 39. Bxf6 c4 40. Bc3 Rbb5 41. f6 Rf5 42. e7+ Ke8 43. f7+ Rxf7 44. Rxf7 d2 45. Rf8+ 1-0

[Event "GER-chT U12"]
[Site "Naumburg Saale"]
[Date "2022.03.27"]
[Round "4.4"]
[White "Wartenberg, Alexander"]
[Black "Ruddat, Jarne"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1639"]
[BlackElo "1419"]
[PlyCount "87"]
[EventDate "2022.03.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Lichtenberg Borussia"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Nxd4 10. Bxd4 Bd7 11. Bf3 Bc6 12. Qc2 Nd7 13. Bxg7 Kxg7 14. b3 a5 15. a3 Qb6 16. g3 Rfc8 17. a4 h5 18. Bg2 Kh7 19. Kh1 Nc5 20. Rab1 Qd8 21. f4 Qh8 22. f5 Qg7 23. Nd5 Bxd5 24. exd5 Rf8 25. Bh3 Rae8 26. Rbe1 Na6 27. Qe4 Nc5 28. Qe3 g5 29. Bg2 f6 30. Qc3 Ra8 31. Re2 Ra7 32. Rfe1 Re8 33. Bf3 Kh6 34. Qe3 b6 35. h4 Rb7 36. Rh2 Kh7 37. hxg5 Kg8 38. Bxh5 Reb8 39. Bg6 e5 40. dxe6 Re7 41. Rh7 Qf8 42. Rxe7 Qxe7 43. gxf6 Qxf6 44. e7 1-0

[Event "GER-chT U12"]
[Site "Naumburg Saale"]
[Date "2022.03.27"]
[Round "5.3"]
[White "Wartenberg, Alexander"]
[Black "Xue, Luka"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1639"]
[BlackElo "1610"]
[PlyCount "68"]
[EventDate "2022.03.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Duesseldorf SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Bxf6 gxf6 6. Nxe4 Be7 7. Bd3 a6 8. Qd2 b5 9. c3 Bb7 10. f3 Nd7 11. Ne2 f5 12. Nf2 Rg8 13. Rg1 Bg5 14. f4 Bh6 15. g3 Nf6 16. 0-0-0 Bd5 17. Qc2 Qd6 18. c4 bxc4 19. Bxc4 Rb8 20. Bxd5 Nxd5 21. Nc3 Ne3 22. Qa4+ Ke7 23. Rd3 Rb4 24. Qa3 Nc4 25. Nd5+ exd5 26. Qc3 Bxf4+ 27. Kd1 Rxb2 28. Re1+ Kf8 29. gxf4 Rxf2 30. Rde3 Nxe3+ 31. Qxe3 Rgg2 32. Qe8+ Kg7 33. Re3 Rf1+ 34. Re1 Qxf4 0-1

[Event "GER-chT U12"]
[Site "Naumburg Saale"]
[Date "2022.03.26"]
[Round "2.4"]
[White "Wartenberg, Alexander"]
[Black "Koennecke, Maximilian"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1639"]
[PlyCount "57"]
[EventDate "2022.03.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Stassfurt Einheit"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. dxe5 fxe5 5. Bc4 Bc5 6. Ng5 Qf6 7. 0-0 Nge7 8. Nf7 Rf8 9. Bg5 Qg6 10. Bxe7 Nxe7 11. Nxe5 Qg5 12. Nf3 Qg6 13. Nc3 d6 14. Be2 Bh3 15. Ne1 0-0-0 16. Qd3 Qf6 17. Qxh3+ Kb8 18. Nd3 Ng6 19. Nxc5 dxc5 20. Qe3 Nf4 21. Bf3 g5 22. Nd5 Nxd5 23. exd5 Qxb2 24. Rab1 Qxc2 25. d6 Rxd6 26. Rxb7+ Kc8 27. Rfb1 Rxf3 28. Qe8+ Rd8 29. Rb8# 1-0

[Event "GER-chT U12"]
[Site "Naumburg Saale"]
[Date "2022.03.26"]
[Round "3.3"]
[White "Wartenberg, Alexander"]
[Black "Marinin, Georgii"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1639"]
[PlyCount "90"]
[EventDate "2022.03.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Stuttgart Wolfbusch"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Nc3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. Bg5 Be7 9. Ne5 Bxe2 10. Nxe2 Nxe5 11. dxe5 Nd7 12. Bxe7 Qxe7 13. f4 Rc8 14. c3 Nb6 15. Nd4 Nc4 16. Qe2 a6 17. Rae1 h5 18. f5 h4 19. Qg4 Nxb2 20. Qxg7 Qf8 21. Qxf8+ Rxf8 22. fxe6 fxe6 23. Rxf8+ Kxf8 24. Nxe6+ Ke7 25. Nd4 Rxc3 26. e6 Nd3 27. Nf5+ Ke8 28. Rf1 Rc1 29. Nxh4 Rxf1+ 30. Kxf1 Ke7 31. a3 Kxe6 32. Ke2 Nf4+ 33. Ke3 Ke5 34. g3 d4+ 35. Kd2 Nh3 36. Ng6+ Kd5 37. Nf4+ Nxf4 38. gxf4 Ke4 39. h4 Kxf4 40. Kd3 b5 41. Kxd4 a5 42. h5 Kg5 43. Kc5 b4 44. axb4 axb4 45. Kxb4 Kxh5 1/2-1/2

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.21"]
[Round "7.9"]
[White "Wartenberg, Alexander"]
[Black "Friedel, Thomas"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1405"]
[BlackElo "1576"]
[PlyCount "71"]
[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 d6 3. d4 exd4 4. Nxd4 Be7 5. b3 Nf6 6. Bd3 0-0 7. Bb2 Re8 8. 0-0 Nbd7 9. Nd2 Ne5 10. Qe2 Bf8 11. N4f3 Bg4 12. Bxe5 Rxe5 13. Nc4 Re8 14. Rad1 d5 15. Ncd2 Bb4 16. Qe3 Bxd2 17. Rxd2 Nxe4 18. Bxe4 Rxe4 19. Qd3 Bxf3 20. Qxf3 Qe8 21. Rxd5 Re2 22. Rc5 c6 23. h3 Rd8 24. a4 Rdd2 25. c3 Rb2 26. b4 Rbd2 27. Rc4 g6 28. Rf4 Rc2 29. Qd3 Rcd2 30. Qf3 Qe6 31. Qg3 Qe5 32. Qg4 Qe6 33. Qg3 Qe5 34. Qf3 Qd5 35. Qg3 Qe5 36. Qg4 1/2-1/2

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.21"]
[Round "6.15"]
[White "Wirtjes, Edzard"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1552"]
[BlackElo "1405"]
[PlyCount "56"]
[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. c4 c6 2. d4 d5 3. c5 e5 4. e3 exd4 5. exd4 g6 6. g3 Bg7 7. Bg2 Ne7 8. Nf3 Bg4 9. h3 Bxf3 10. Bxf3 Nf5 11. Be3 0-0 12. 0-0 Re8 13. Qd2 Qf6 14. Bg2 Nxd4 15. Nc3 Ne6 16. Rae1 d4 17. Bg5 dxc3 18. bxc3 Qxc3 19. Qd6 Qd4 20. Re2 Qxd6 21. cxd6 Nd7 22. Be7 Bf8 23. Bxf8 Kxf8 24. Rb2 Ndc5 25. Rd1 Red8 26. h4 Rd7 27. Bh3 Rad8 28. Rc2 Rxd6 0-1

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.20"]
[Round "5.23"]
[White "Burlutskaia, Maria"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1415"]
[BlackElo "1405"]
[PlyCount "40"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bc4 d5 6. Qe2 Be7 7. Bb3 0-0 8. d3 Nf6 9. h3 Bb4+ 10. c3 Ba5 11. 0-0 c5 12. Bg5 Be6 13. d4 Bb6 14. Nbd2 Re8 15. Bxf6 gxf6 16. Qd1 Kh8 17. Bc2 Rg8 18. Kh1 Qd7 19. dxc5 Bxh3 20. Ne1 Bxg2+ 0-1

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.20"]
[Round "4.12"]
[White "Wartenberg, Alexander"]
[Black "Pichl, Christoph"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1405"]
[BlackElo "1528"]
[PlyCount "94"]
[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 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bg4 5. h3 Bxf3 6. Qxf3 Nd7 7. Ng5 Ngf6 8. Qb3 e6 9. Qxb7 Nd5 10. Nf3 Nb4 11. Kd1 Bc5 12. Nd4 Rb8 13. Nxc6 Rxb7 14. Nxd8 Kxd8 15. c3 Nd5 16. d4 Bb6 17. c4 Ne7 18. c5 Bc7 19. a4 a5 20. Bb5 Nf6 21. f3 Nfd5 22. Bd2 Nf5 23. Bc3 Ke7 24. Kd2 Rd8 25. g4 Nh4 26. Rhf1 Ng2 27. Rf2 Ngf4 28. h4 f6 29. Re1 Kf7 30. Kc2 Ng6 31. h5 Ngf4 32. Ba6 Nb4+ 33. Bxb4 Rxb4 34. b3 Rbxd4 35. Bc4 Nd3 36. Bxd3 Rxd3 37. Rfe2 Be5 38. f4 Bxf4 39. Rxe6 Be5 40. Ra6 Rc3+ 41. Kb1 Rxb3+ 42. Kc2 Rc3+ 43. Kb1 Rb8+ 44. Ka2 Rc2+ 45. Ka3 Bb2+ 46. Ka2 Bc3+ 47. Ka3 Bxe1 0-1

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.19"]
[Round "2.10"]
[White "Ulrich, Helena Irene"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1537"]
[BlackElo "1405"]
[PlyCount "72"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be6 7. Be3 Be7 8. Qd2 0-0 9. 0-0-0 Qe8 10. Kb1 Qa4 11. a3 d5 12. Nd4 Bd7 13. h4 Nc6 14. Nb3 Bf5 15. Bd3 Bxd3 16. Qxd3 Rad8 17. Nc5 Qg4 18. f3 Qg6 19. Qxg6 hxg6 20. Nxb7 Rb8 21. Nc5 Ne5 22. Bd4 Nc4 23. Nb3 a5 24. a4 c6 25. Ka2 Bd6 26. Rb1 Rfe8 27. Rbe1 Bg3 28. Rxe8+ Rxe8 29. Nc5 Re2 30. b3 Nb6 31. Kb2 Rxg2 32. b4 axb4 33. cxb4 Nc4+ 34. Kc1 Bf4+ 35. Kb1 Na3+ 36. Ka1 Nxc2+ 0-1

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.19"]
[Round "3.8"]
[White "Wartenberg, Alexander"]
[Black "Akhmatovski, Maxim"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1405"]
[BlackElo "1359"]
[PlyCount "120"]
[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. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Ne2 Be7 7. N2c3 c5 8. Nb5 Nxe4 9. Bxe4 Nf6 10. Bd3 a6 11. Nc3 cxd4 12. Ne2 e5 13. Bg5 h6 14. Bh4 Qd5 15. Bxf6 Bxf6 16. f3 Qa5+ 17. c3 Be6 18. 0-0 0-0 19. cxd4 exd4 20. Nf4 Bd7 21. Qb3 Bg5 22. Ne2 Be3+ 23. Kh1 Bc6 24. Bc2 Bb5 25. Bd3 Bxd3 26. Qxd3 Rfd8 27. Rfd1 Qb6 28. b3 Rac8 29. Qe4 Qc6 30. Qg4 Qg6 31. Qh4 Rd7 32. Ng3 Rc2 33. Qh3 Rd5 34. Qh4 Bf2 35. Qf4 Rg5 36. Rdc1 Be3 37. Qb8+ Kh7 38. Rxc2 Qxc2 39. Qxb7 f5 40. Qd5 d3 41. Qc4 Rg6 42. Qxc2 dxc2 43. Ne2 Rd6 44. Nc3 c1Q+ 45. Rxc1 Bxc1 46. g3 Rd2 47. b4 Rc2 48. b5 Rxc3 49. bxa6 Ra3 50. a7 Rxa7 51. a4 Rxa4 52. f4 g5 53. g4 fxg4 54. f5 Ra2 55. h4 gxh3 56. f6 g4 57. f7 Kg7 58. f8Q+ Kxf8 59. Kg1 g3 60. Kh1 Rd2 0-1

[Event "Heusenstamm Sparkassen op-B 7th"]
[Site "Heusenstamm"]
[Date "2021.11.18"]
[Round "1.13"]
[White "Wartenberg, Alexander"]
[Black "Oezyar, Arin"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1405"]
[BlackElo "1334"]
[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. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 a6 8. Ba4 b5 9. Bb3 0-0 10. Nxc6 Qxc6 11. Bxc5 Qxc5 12. 0-0 Ng6 13. Nd2 Bb7 14. Bc2 Rfe8 15. Nb3 Qe7 16. Re1 d6 17. Nd4 Ne5 18. Nf5 Qg5 19. Re3 g6 20. Rg3 Qf4 21. Qd4 Kf8 22. Ne3 Re7 23. Rd1 Rd8 24. b3 c5 25. Qd2 Bxe4 26. Bxe4 Qxe4 27. Nd5 Red7 28. Qh6+ 1-0

[Event "GER-chT Lands U20"]
[Site "Neumuenster"]
[Date "2021.10.03"]
[Round "3.4"]
[White "Mueller, Riyanna"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1505"]
[BlackElo "1420"]
[PlyCount "103"]
[EventDate "2021.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Rheinland Pfalz"]
[BlackTeam "Hamburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. f4 Re8 15. Rae1 Bd7 16. a3 Ba5 17. b4 Bb6+ 18. Kh1 Be3 19. Na4 a5 20. Nc5 Bxc5 21. bxc5 Rxe1 22. Rxe1 Rb8 23. h3 Kf8 24. Kh2 f5 25. Kg3 f6 26. Kh4 Kf7 27. g4 fxg4 28. hxg4 Re8 29. Rb1 Rg8 30. Rb7 Ke8 31. f5 Ke7 32. Be2 Rg5 33. Ra7 Kd8 34. Bd3 Be8 35. Rxa5 h5 36. Ra4 hxg4 37. Rxg4 Rxg4+ 38. Kxg4 Kc7 39. Kh4 Kb7 40. Be2 Bd7 41. Bg4 Be8 42. Bh5 Bd7 43. Bg6 Ka6 44. Kh5 Kb5 45. Kh6 Kxc5 46. Kg7 Kb5 47. Kxf6 Ka4 48. Ke7 Bxf5 49. Bxf5 c5 50. Kd6 d4 51. Kxc5 d3 52. cxd3 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.29"]
[Round "11"]
[White "Peglau, Paul David"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1365"]
[BlackElo "1424"]
[PlyCount "76"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. 0-0 Bg7 5. Re1 0-0 6. c4 c6 7. cxd5 cxd5 8. d3 Nc6 9. a3 Bf5 10. Bg5 Ng4 11. Qc1 Qb6 12. Be3 Nxe3 13. Qxe3 Qxb2 14. Nbd2 Qxa1 15. Rxa1 Bxa1 16. d4 Bb2 17. Qb3 Bc1 18. Qxb7 Rfc8 19. Qb3 Bxd2 20. Nxd2 e6 21. e3 Na5 22. Qb5 Rc1+ 23. Bf1 Nc4 24. Nxc4 dxc4 25. Qb7 Rf8 26. Kg2 Bd3 27. Bxd3 cxd3 28. Qb2 Rfc8 29. Qd2 R1c3 30. a4 Rb3 31. Kf3 Rc2 32. Qa5 d2 33. Ke2 Rb1 34. Qxd2 Rxd2+ 35. Kxd2 Ra1 36. Kc3 Rxa4 37. Kb3 Ra6 38. f4 Rb6+ 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.28"]
[Round "9"]
[White "Wartenberg, Alexander"]
[Black "Herrmann, Arthur"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1424"]
[BlackElo "1191"]
[PlyCount "54"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Bxb5 8. cxb5 Nd7 9. 0-0 Ngf6 10. Nc3 Nc5 11. f3 0-0 12. b4 Ncd7 13. a4 Nb6 14. a5 Nc4 15. Bf2 Rc8 16. Rc1 Bh6 17. Ra1 Nd2 18. Qc2 Nxf1 19. Kxf1 Qc7 20. Nde2 a6 21. b6 Qc4 22. Rb1 d5 23. Qb2 dxe4 24. fxe4 Bg7 25. Qd2 Rfd8 26. Qe3 Ng4 27. Qg3 Nxf2 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.27"]
[Round "8"]
[White "Radeke, Timothy"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1169"]
[BlackElo "1424"]
[PlyCount "64"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Be7 6. d4 c6 7. Nc3 Nxc3 8. bxc3 0-0 9. h3 Qa5 10. Qc2 Re8 11. Be2 Bf5 12. Qb2 d5 13. 0-0 Qb6 14. Qxb6 axb6 15. cxd5 cxd5 16. Bb5 Nc6 17. Ne5 Rec8 18. Bd2 Nxe5 19. dxe5 Ba3 20. Rab1 Bxb1 21. Rxb1 Bc5 22. a4 Rc7 23. Bf4 Re7 24. Rd1 Rd8 25. Bg5 f6 26. exf6 Rf7 27. fxg7 Bxf2+ 28. Kh1 Rc8 29. Bd7 Rxd7 30. Bh6 Rc6 31. Bg5 Kxg7 32. Rf1 Rf7 0-1

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.26"]
[Round "6"]
[White "Chua, Daniel James"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "C21"]
[WhiteElo "1434"]
[BlackElo "1424"]
[PlyCount "60"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 d6 5. Nxc3 Nf6 6. Bg5 Nc6 7. Nf3 Bg4 8. 0-0 Be7 9. h3 Bh5 10. Qd3 0-0 11. Bb3 Qd7 12. Nh4 Ne5 13. Qg3 Bg6 14. Nxg6 Nxg6 15. Bxf6 Bxf6 16. f4 Bd4+ 17. Kh1 Rae8 18. f5 Ne7 19. f6 Ng6 20. fxg7 Bxg7 21. Nd5 c6 22. Nf6+ Bxf6 23. Rxf6 Qe7 24. Rxg6+ hxg6 25. Qxg6+ Kh8 26. Qh6+ Kg8 27. Qg6+ Kh8 28. Qh6+ Kg8 29. Qg6+ Kh8 30. Qh6+ Kg8 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.26"]
[Round "7"]
[White "Wartenberg, Alexander"]
[Black "Merenda, Lukas Benedikt"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1424"]
[BlackElo "1222"]
[PlyCount "140"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Nxc6 bxc6 8. Bxb6 axb6 9. Qd4 Nf6 10. e5 Nd5 11. Bc4 Bb7 12. 0-0 0-0 13. Nd2 b5 14. Bd3 Nb6 15. Qe4 g6 16. Nf3 d5 17. exd6 cxd6 18. Qe3 Kg7 19. Qd4+ f6 20. Ng5 Bc8 21. Ne4 d5 22. Nc5 Nc4 23. Rfe1 Nxb2 24. Re2 Nxd3 25. Qxd3 Re8 26. Rae1 Rxe2 27. Qxe2 Kf7 28. Ne6 Qd6 29. Nd4 Bd7 30. Qd2 Kg7 31. Qe2 Re8 32. Qd2 Re5 33. Nf3 Rxe1+ 34. Qxe1 c5 35. h3 Kf7 36. Qd2 g5 37. Qd3 Kg7 38. Nd2 Qe5 39. Nf3 Qe4 40. Qxe4 dxe4 41. Nd2 f5 42. Nb3 c4 43. Nc5 Be8 44. Ne6+ Kf6 45. Nc7 Bc6 46. Na6 f4 47. Nb4 Bb7 48. Nc2 Ke5 49. a3 e3 50. f3 h5 51. Nd4 Ba6 52. Nc6+ Kd6 53. Nd4 b4 54. axb4 Bc8 55. Nb5+ Kc6 56. Na7+ Kb7 57. Nxc8 Kxc8 58. Kf1 Kc7 59. Ke2 Kc6 60. Ke1 Kb5 61. Ke2 Ka4 62. Ke1 Kb5 63. Kd1 Ka4 64. Ke2 Kb5 65. Kd1 Kb6 66. Ke2 Kc6 67. Kd1 Kb5 68. Ke2 Kc6 69. Kd1 Kb6 70. Ke2 Kb5 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.25"]
[Round "5"]
[White "Wartenberg, Alexander"]
[Black "Shen, Tingrui"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "1424"]
[BlackElo "1508"]
[PlyCount "76"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Bxd4 Bxd4 10. Qd1 Bxc3+ 11. bxc3 Qa5 12. Qd2 d6 13. Be2 Be6 14. 0-0 Rc8 15. Qd4 f6 16. Rfb1 b6 17. Rb5 Qa4 18. Rb4 Qc6 19. a4 Kf7 20. a5 Ra8 21. axb6 axb6 22. Rab1 Rhb8 23. h3 Ra2 24. Bf1 Qc7 25. Rxb6 Rxb6 26. Rxb6 Ra1 27. Rb4 Qc5 28. f3 Rd1 29. Qxc5 dxc5 30. Ra4 Rc1 31. Kf2 Rxc3 32. Kg3 Rc1 33. Be2 Rc2 34. Bf1 h5 35. Ra5 Rc3 36. Rxc5 Rc1 37. Be2 Rc2 38. Kf2 h4 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.24"]
[Round "4"]
[White "Mandalka, Justus"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1440"]
[BlackElo "1424"]
[PlyCount "79"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bc4 Nc6 8. Be3 Bf5 9. Qd2 Qd7 10. 0-0-0 Be6 11. Bxe6 Qxe6 12. Kb1 0-0-0 13. h3 Bf6 14. Rhe1 Qc4 15. Nd4 Nxd4 16. Bxd4 Bxd4 17. cxd4 Rhe8 18. b3 Qd5 19. f3 Kd7 20. Qd3 g6 21. g4 Re6 22. Re4 Rde8 23. c4 Qa5 24. Rd2 Rxe4 25. fxe4 Rxe4 26. Qxe4 Qxd2 27. Qf3 Ke8 28. Qxb7 Qd1+ 29. Kb2 Qxd4+ 30. Ka3 Qc5+ 31. Ka4 Qb6 32. Qe4+ Kf8 33. b4 Qf2 34. a3 Qb6 35. h4 Qf2 36. h5 Kg7 37. hxg6 hxg6 38. g5 Qf5 39. Qe7 Qc2+ 40. Kb5 1/2-1/2

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.24"]
[Round "3"]
[White "Wartenberg, Alexander"]
[Black "Rodriguez Klasen, Ennio"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1424"]
[BlackElo "1341"]
[PlyCount "49"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nd7 5. Nf3 Nb6 6. Be2 Bg4 7. h3 Bxf3 8. Bxf3 e6 9. 0-0 Ne7 10. Qe2 0-0 11. Rad1 d5 12. e5 Nf5 13. Bf4 Qd7 14. Rfe1 Rac8 15. Bg4 Nh6 16. Bf3 Nf5 17. Nb5 a6 18. Nc3 c6 19. Bg4 Ne7 20. Qf3 Rc7 21. Qg3 h5 22. Be2 Nf5 23. Qh2 f6 24. exf6 Rxf6 25. Bxc7 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.23"]
[Round "1"]
[White "Wartenberg, Alexander"]
[Black "Fritzsche, David"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1424"]
[BlackElo "925"]
[PlyCount "85"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Ng8 7. Bc4 Nh6 8. Nc3 Nf5 9. Qd5 Nh6 10. Bxh6 Qe7 11. Bd2 c6 12. Qd4 b6 13. 0-0 Bb7 14. Bf4 Qh4 15. Qe3 Qg4 16. Qg3 Qxg3 17. Bxg3 Bc5 18. Rad1 b5 19. Bxf7+ Kxf7 20. Rxd7+ Be7 21. Rxb7 b4 22. Ne4 Rad8 23. Nd6+ Ke6 24. Rxe7+ Kxe7 25. Bh4+ Ke6 26. Bxd8 Rxd8 27. a3 bxa3 28. bxa3 Rb8 29. f4 h6 30. Nc4 Rf8 31. Na5 Kd5 32. Rd1+ Ke4 33. Nxc6 Rxf4 34. Rd4+ Kf5 35. Rxf4+ Kxf4 36. e6 Kf5 37. e7 Kg6 38. e8Q+ Kh7 39. Ne5 h5 40. Qxh5+ Kg8 41. c4 g6 42. Qxg6+ Kh8 43. Nf7# 1-0

[Event "GER-ch U10"]
[Site "Willingen"]
[Date "2021.08.23"]
[Round "2"]
[White "Zhang, Yibo"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "1313"]
[BlackElo "1424"]
[PlyCount "80"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Nd5 5. Qxd4 Nb6 6. c4 Nc6 7. Qe4 Be7 8. Be3 Bb4+ 9. Nbd2 Qe7 10. a3 Bxd2+ 11. Bxd2 d6 12. c5 Nd7 13. cxd6 cxd6 14. Bb5 Ncxe5 15. 0-0 Nxf3+ 16. Qxf3 0-0 17. Rfe1 Qf6 18. Qg3 Qg6 19. Qxg6 hxg6 20. Bb4 Nc5 21. Rad1 a5 22. Bc3 Rd8 23. Be5 Bd7 24. Bxd6 Bxb5 25. Bxc5 Rxd1 26. Rxd1 Rc8 27. Bd4 Ba4 28. Re1 Bc6 29. f3 a4 30. Kf2 Rd8 31. Bc3 Re8 32. Rxe8+ Bxe8 33. Kg3 f6 34. Kf4 Bc6 35. g4 Kf7 36. h4 b5 37. h5 g5+ 38. Kg3 Bd7 39. f4 gxf4+ 40. Kxf4 Be6 1/2-1/2

[Event "GER-chT U10"]
[Site "Magdeburg"]
[Date "2021.08.08"]
[Round "6.1"]
[White "Wagner, Cosima"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "970"]
[BlackElo "1424"]
[PlyCount "39"]
[EventDate "2021.08.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Tegernsee"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Be6 8. Qd2 Qd7 9. a3 0-0 10. 0-0-0 Nc6 11. Bd3 Rfb8 12. h4 b5 13. Be4 Qe8 14. Qd3 h6 15. Rdg1 Bc4 16. Qd2 Bf6 17. g4 Qxe4 18. g5 Qxf3 19. gxf6 Qxf6 20. Bxh6 1-0

[Event "GER-chT U10"]
[Site "Magdeburg"]
[Date "2021.08.07"]
[Round "4.1"]
[White "Charchulla, Moritz"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "934"]
[BlackElo "1424"]
[PlyCount "86"]
[EventDate "2021.08.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Kiel Doppelbauer"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bc4 Nxe4 7. Nde2 Nxc3 8. Nxc3 0-0 9. 0-0 d6 10. Qf3 Ne5 11. Qf4 Bxc3 12. bxc3 Nxc4 13. Qxc4 Be6 14. Qf4 Qf6 15. Qg3 Qg6 16. Qd3 Bf5 17. Qc4 c6 18. Qb4 b6 19. Rd1 d5 20. Bf4 Bxc2 21. Re1 Be4 22. f3 Bxf3 23. Bg3 Be4 24. c4 dxc4 25. Qxc4 Bd5 26. Qa4 Qf6 27. Be5 Qg5 28. Bg3 Qd2 29. Bf2 Qa5 30. Qc2 Rfe8 31. Qb2 Rxe1+ 32. Bxe1 Qb5 33. Qf2 Re8 34. Qd4 Qe2 35. Qf2 Qxf2+ 36. Bxf2 Re2 37. a3 Ra2 38. Rxa2 Bxa2 39. Kf1 f6 40. Ke2 Kf7 41. Kd3 Ke6 42. Ke4 Bd5+ 43. Kf4 Bxg2 0-1

[Event "GER-chT U10"]
[Site "Magdeburg"]
[Date "2021.08.07"]
[Round "3.1"]
[White "Wartenberg, Alexander"]
[Black "Helfer, Lucas"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1424"]
[BlackElo "761"]
[PlyCount "30"]
[EventDate "2021.08.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK"]
[BlackTeam "Muenchen SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Qe7 7. Be2 Ng8 8. Nc3 Qd8 9. 0-0 Ne7 10. Bf4 Nf5 11. Qe4 d6 12. exd6+ Be6 13. dxc7 Qc8 14. Bb5+ Ke7 15. Nb1 Qe8 1-0

[Event "GER-chT U10"]
[Site "Magdeburg"]
[Date "2021.08.06"]
[Round "2.1"]
[White "Akladius, Antonius"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "991"]
[BlackElo "1424"]
[PlyCount "50"]
[EventDate "2021.08.06"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Plauen Koenig"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c6 2. Nc3 Nf6 3. g3 d5 4. d3 e5 5. cxd5 cxd5 6. Bg2 Nc6 7. e4 d4 8. Nd5 Nxd5 9. exd5 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Ne7 12. Qg5 0-0 13. Qxe5 Re8 14. Ne2 Bg4 15. 0-0 Ng6 16. Qxd4 Bxe2 17. Rfe1 Qb6 18. Qc3 Bg4 19. Rxe8+ Rxe8 20. Re1 Rxe1+ 21. Qxe1 Qxb2 22. Qe8+ Nf8 23. d6 Qc1+ 24. Bf1 Bh3 25. f3 Qxf1# 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "1"]
[White "Heinichen, Nils"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1977"]
[BlackElo "1620"]
[PlyCount "47"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. e3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 Bb4 9. Bd2 Qc7 10. h3 Nbd7 11. Rc1 0-0-0 12. cxd5 exd5 13. Nb5 Bxd2+ 14. Qxd2 Qb8 15. Qa5 a6 16. Nc3 g5 17. Nxd5 Nxd5 18. Qxd5 Ne5 19. Bf5+ Nd7 20. 0-0 g6 21. Bxd7+ Rxd7 22. Qxg5 Rd5 23. Qxd5 Qc7 24. Qf3 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "4"]
[White "Roeder, Phillip"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1796"]
[BlackElo "1620"]
[PlyCount "93"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d5 3. e5 Ne4 4. Nxe4 dxe4 5. d4 exd3 6. Bxd3 Nc6 7. f4 Qd5 8. Nf3 Bg4 9. 0-0 0-0-0 10. Qe1 Bxf3 11. Rxf3 Nd4 12. Re3 f6 13. exf6 exf6 14. Bd2 Bc5 15. b4 Bb6 16. c4 Nf5 17. Bxf5+ Qxf5 18. c5 Bxc5 19. bxc5 Qxc5 20. Rc1 Qd4 21. Ba5 b6 22. Bc3 Qxf4 23. Re7 Qd6 24. Bb4 Qd4+ 25. Kh1 c5 26. Rxa7 Rhe8 27. Re7 Rxe7 28. Qxe7 Qxb4 29. Qxg7 Qd2 30. Qg4+ Kb7 31. Rb1 f5 32. Qf3+ Ka7 33. h3 Qxa2 34. Rb3 Qa1+ 35. Kh2 Qe5+ 36. Kg1 Rd2 37. Ra3+ Kb8 38. Qa8+ Kc7 39. Ra7+ Kd6 40. Qd8+ Kc6 41. Qxd2 Kb5 42. Qd7+ Kb4 43. Ra4+ Kb3 44. Qb5+ Kc3 45. Rc4+ Kd3 46. Qb3+ Kd2 47. Rc2+ 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "2"]
[White "Wartenberg, Alexander"]
[Black "Beyerlein, Andreas"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1620"]
[BlackElo "1923"]
[PlyCount "38"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nxe5 Qa5+ 7. Nc3 Qxe5 8. Bd3 Bb4 9. Bd2 0-0 10. 0-0 Nc6 11. f4 Qd4+ 12. Kh1 d6 13. a3 Ba5 14. b4 Bc7 15. Re1 Ng4 16. Ne2 Nf2+ 17. Kg1 Nh3+ 18. Kh1 Qg1+ 19. Nxg1 Nf2# 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "3"]
[White "Wartenberg, Alexander"]
[Black "Huettinger, Siegfried"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1620"]
[BlackElo "1425"]
[PlyCount "41"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 e6 7. Nc3 Nge7 8. Be2 0-0 9. 0-0 a6 10. Qd2 d5 11. cxd5 exd5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Bf3 Qd8 15. Nxc6 bxc6 16. Qxd8 Rxd8 17. Bxc6 Rb8 18. Rad1 Rxb2 19. Rxd8+ Bf8 20. Bh6 f5 21. Rxf8# 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "5"]
[White "Cancedda, Bastian"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1568"]
[BlackElo "1511"]
[PlyCount "61"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 d5 4. cxd5 Nxd5 5. Nxd5 Qxd5 6. e4 Qa5+ 7. Bd2 Bb4 8. Nf3 Nc6 9. g3 0-0 10. Bg2 Bg4 11. 0-0 Bxf3 12. Bxb4 Bxd1 13. Bxa5 Be2 14. Rfe1 Nxa5 15. Rxe2 Rad8 16. Rd2 Nc4 17. Rdd1 Nxb2 18. Rd2 Nxd3 19. Rad1 c5 20. Rxd3 Rxd3 21. Rxd3 b6 22. Rd7 a5 23. Rb7 c4 24. Rxb6 Rc8 25. Bf3 c3 26. Bd1 c2 27. Bxc2 f6 28. Bb3+ Kf8 29. Rb7 g6 30. Rxh7 f5 31. Rh8+ 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "4"]
[White "Foeing, Alexander"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1338"]
[BlackElo "1511"]
[PlyCount "20"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kxf2 Nxe4+ 7. Ke1 Qh4+ 8. g3 Nxg3 9. Nxh8 Nxh1+ 10. Kf1 Qf2# 0-1

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "12"]
[White "Krishnachandran, Srihari"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1748"]
[BlackElo "1511"]
[PlyCount "101"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 d6 4. d5 Na5 5. Nc3 Nxc4 6. e4 Nb6 7. Be3 Bg4 8. Be2 e6 9. dxe6 Bxe6 10. Nd4 Be7 11. 0-0 0-0 12. f4 Bd7 13. e5 dxe5 14. fxe5 Ne8 15. Bd3 Be6 16. Nxe6 fxe6 17. Rxf8+ Bxf8 18. Qc2 h6 19. Rf1 Qe7 20. Qf2 c6 21. Ne4 Nc7 22. Bc5 Qe8 23. Nd6 Bxd6 24. Bxd6 Ncd5 25. Qg3 Nc8 26. Rf8+ Qxf8 27. Bxf8 Kxf8 28. Qf3+ Kg8 29. Bg6 Nce7 30. Qf7+ Kh8 31. Qxe6 Nxg6 32. Qxg6 Rf8 33. Qd6 Ne3 34. Qxf8+ Kh7 35. e6 Nf5 36. e7 Nxe7 37. Qxe7 b5 38. Qe4+ Kg8 39. Qxc6 a6 40. Qg6 a5 41. Kf2 b4 42. Kf3 a4 43. Kf4 b3 44. axb3 axb3 45. Ke5 h5 46. Ke6 h4 47. h3 Kh8 48. Qh5+ Kg8 49. Qg5 Kh8 50. Kf7 Kh7 51. Qxg7# 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "8"]
[White "Mueller, Cosima"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1427"]
[BlackElo "1511"]
[PlyCount "42"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kf1 d5 7. Nxd8 Bg4 8. Be2 Bxe2+ 9. Qxe2 0-0 10. Nxc6 bxc6 11. exd5 Nxd5 12. g3 Bxg3+ 13. Kg2 Nf4+ 14. Kxg3 Nxe2+ 15. Kh4 Rf4+ 16. Kh3 Raf8 17. Nc3 Rf3+ 18. Kg4 R8f4+ 19. Kh5 g6+ 20. Kh6 Rh3+ 21. Kg5 Rh5# 0-1

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "13"]
[White "Reich, Elisabeth"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1595"]
[BlackElo "1511"]
[PlyCount "52"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 cxb2 6. Bxb2 Nf6 7. Qb3 Qe7 8. 0-0 d6 9. e5 dxe5 10. Na3 Na5 11. Qa4+ Nc6 12. Nxe5 Bd7 13. Nxd7 Qxd7 14. Rfe1+ Be7 15. Qb3 0-0 16. Rad1 Bd6 17. Nb5 Na5 18. Qc2 Nxc4 19. Qxc4 Rae8 20. Rxe8 Rxe8 21. g3 a6 22. Nxd6 cxd6 23. Ba3 Re6 24. Qf4 d5 25. Qb8+ Re8 26. Qxb7 Qxb7 0-1

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "10"]
[White "Skopp, Jonathan"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1594"]
[BlackElo "1511"]
[PlyCount "73"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Bf5 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 Nc6 8. a3 Bd6 9. Nb5 Nf6 10. Nxd6+ Qxd6 11. c3 0-0 12. Bg5 Qe7 13. Bd3 Bxd3 14. Qxd3 h6 15. Bh4 Rfe8 16. Ne5 Rac8 17. f4 Qf8 18. 0-0 Ne4 19. Nxc6 bxc6 20. f5 exf5 21. Rxf5 g6 22. Rf3 g5 23. Bg3 h5 24. Be5 f6 25. Bg3 h4 26. Bf2 f5 27. Rf1 f4 28. Bxh4 gxh4 29. Rxf4 Qg7 30. h3 Nf6 31. Rxf6 Re4 32. Qf3 Ra8 33. Qh5 Rc8 34. Rg6 Qxg6 35. Qxg6+ Kh8 36. Rf7 Rg8 37. Qh7# 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "2"]
[White "Slotta, Nico"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1597"]
[BlackElo "1511"]
[PlyCount "49"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nxc6 Qxc6 7. Bxc5 Qxc5 8. Nc3 Nf6 9. Bd3 0-0 10. 0-0 d5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Bxh7+ Kxh7 14. Qxd5 c6 15. Qh5+ Kg8 16. Rfe1 Be6 17. Re3 Rfe8 18. h3 Rad8 19. Kh2 Rd2 20. Rg3 Rxc2 21. b3 Rxf2 22. Qh6 g6 23. Qe3 Rf5 24. Qxa7 Rb8 25. Qxb8+ 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "1"]
[White "Wartenberg, Alexander"]
[Black "Helmer, Andreas"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1511"]
[BlackElo "1695"]
[PlyCount "166"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 dxc6 6. Qxd8+ Kxd8 7. Nc3 Be6 8. Bg5+ f6 9. Be3 Bb4 10. 0-0-0+ Kc7 11. Bd2 Bc5 12. Be3 Bxe3+ 13. fxe3 Ne7 14. Be2 Rhd8 15. Rd3 Rd7 16. Rhd1 Rad8 17. Na4 b6 18. Rxd7+ Rxd7 19. Rxd7+ Kxd7 20. Ba6 Kc7 21. Bd3 c5 22. Nc3 c4 23. Be2 Kc6 24. Kd2 b5 25. a3 Kc5 26. g3 a5 27. h4 Bd7 28. Na2 Bc6 29. b4+ cxb3 30. cxb3 Bxe4 31. Nc3 Bc6 32. Kd3 b4 33. axb4+ axb4 34. Na2 Bb5+ 35. Kd2 Bxe2 36. Kxe2 Nd5 37. Kd3 Nb6 38. e4 Nc8 39. g4 Na7 40. g5 fxg5 41. hxg5 Nb5 42. Ke3 Nd4 43. Nc1 g6 44. Nd3+ Kd6 45. Nc1 Ne6 46. Nd3 Nxg5 47. Nxb4 Ne6 48. Nd3 Nd4 49. b4 g5 50. Kf2 h5 51. Kg3 Ke6 52. Nc5+ Ke7 53. Nd3 Kf6 54. Nc5 g4 55. Kh4 Nf3+ 56. Kg3 Kg5 57. Nd3 h4+ 58. Kg2 h3+ 59. Kg3 Nd2 60. b5 Nxe4+ 61. Kh2 Kh4 62. b6 g3+ 63. Kg1 Nd6 64. Nxe5 Nb7 65. Nf3+ Kg4 66. Ne5+ Kf4 67. Ng6+ Kf3 68. Nh4+ Kg4 69. Ng6 g2 70. Kh2 Kf3 71. Nh4+ Kf2 72. Kxh3 g1Q 73. Nf5 Qg2+ 74. Kh4 Qe4+ 75. Kg5 Qe5 76. Kg6 Kf3 77. Kg5 Ke4 78. Kg6 Qxf5+ 79. Kh6 Qg4 80. Kh7 Qg5 81. Kh8 Ke5 82. Kh7 Kf6 83. Kh8 Qg7# 0-1

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "6"]
[White "Wartenberg, Alexander"]
[Black "Hierl, Johannes"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1511"]
[BlackElo "1590"]
[PlyCount "133"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Bc4 a6 6. 0-0 b5 7. Bb3 Bb7 8. Bf4 c5 9. dxc5 Nxc5 10. a3 Nxe4 11. Nxe4 Bxe4 12. Re1 Nf6 13. Bg5 Bxf3 14. Qxf3 0-0 15. Rad1 Re8 16. Bxf6 Bxf6 17. Qd5 Rf8 18. c3 Qc7 19. Bc2 Rac8 20. Be4 Rfe8 21. Qb7 Qxb7 22. Bxb7 Rc7 23. Bxa6 Rb8 24. Rd5 Rc5 25. Rxc5 dxc5 26. g3 Kf8 27. h4 Ke8 28. Re4 Kd8 29. b4 cxb4 30. cxb4 Rb6 31. Bxb5 Rxb5 32. Kg2 Bg7 33. Kf3 e6 34. a4 Rb8 35. b5 Kc7 36. Rc4+ Kb6 37. Rc6+ Kb7 38. a5 Rc8 39. a6+ Kb8 40. Rb6+ Ka7 41. Rb7+ Ka8 42. Rxf7 Bh6 43. Rxh7 Bd2 44. b6 Rb8 45. b7+ Ka7 46. Re7 Kxa6 47. Rxe6+ Kxb7 48. Rxg6 Rf8+ 49. Kg4 Kc7 50. f4 Kd7 51. h5 Ke7 52. h6 Rh8 53. Rg7+ Kf8 54. Kg5 Bc3 55. Rg6 Rg8 56. Rxg8+ Kxg8 57. Kg6 Be1 58. g4 Bg3 59. f5 Bf4 60. h7+ Kh8 61. f6 Bd6 62. f7 Bf8 63. g5 Be7 64. Kh6 Bf8+ 65. Kg6 Be7 66. Kh6 Bf8+ 67. Kg6 1/2-1/2

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "7"]
[White "Wartenberg, Alexander"]
[Black "Masa, Cagan"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1511"]
[BlackElo "1464"]
[PlyCount "93"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 c6 5. Nc3 Nf6 6. Bc4 Be7 7. Bf4 b5 8. Bb3 c5 9. Ndxb5 Ba6 10. 0-0 Qa5 11. Qd3 Nc6 12. Bxd6 Rd8 13. Nc7+ Kf8 14. Bxe7+ Kxe7 15. Qxa6 Qxc7 16. Nb5 Qc8 17. Qa3 Nd4 18. Nxd4 Rxd4 19. Qxa7+ Rd7 20. Qa3 Re8 21. e5 Ng4 22. Rfe1 Kf8 23. h3 Nxe5 24. Ba4 Nc6 25. Rxe8+ Kxe8 26. Qf3 Rd6 27. Re1+ Kf8 28. Bxc6 Rxc6 29. Qe4 Re6 30. Qxh7 Qd7 31. Rxe6 Qxe6 32. Qh8+ Ke7 33. Qxg7 Qe1+ 34. Kh2 Qe2 35. Qg5+ Kf8 36. Qxc5+ Kg7 37. Qg5+ Kf8 38. Qe3 Qxc2 39. Qb3 Qxf2 40. a4 Qf4+ 41. g3 Qf2+ 42. Kh1 Qf1+ 43. Kh2 Qe2+ 44. Kg1 Qf1+ 45. Kh2 Qf2+ 46. Kh1 Qf1+ 47. Kh2 1/2-1/2

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "11"]
[White "Wartenberg, Alexander"]
[Black "Pichl, Christoph"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1511"]
[BlackElo "1557"]
[PlyCount "43"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bf5 5. Nc3 Nf6 6. Bb5+ Nbd7 7. 0-0 e6 8. Bg5 Be7 9. Ne5 h6 10. Bxf6 gxf6 11. Nxd7 e5 12. Nb6+ Kf8 13. Nxa8 Qxa8 14. dxe5 fxe5 15. Qxd5 Rg8 16. Qxe5 Bh3 17. g3 b6 18. f3 Bh4 19. Qd6+ Kg7 20. Qd4+ Kh7 21. Qxh4 Bxf1 22. Rxf1 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "9"]
[White "Wartenberg, Alexander"]
[Black "Schoen, Fabian"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1511"]
[BlackElo "1478"]
[PlyCount "63"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Nc3 Bf5 6. Bb5 e6 7. Ne5 Qc7 8. 0-0 Bb4 9. Bf4 Nge7 10. g3 0-0 11. Nxc6 bxc6 12. Bxc7 Bxc3 13. bxc3 Rac8 14. Bd6 Rfe8 15. Bxe7 Rxe7 16. Bd3 Rb7 17. Bxf5 exf5 18. Rb1 Re7 19. Re1 Rd7 20. Qf3 g6 21. Rb2 Rcd8 22. Reb1 Kg7 23. Rb8 Rxb8 24. Rxb8 Re7 25. Qd1 h6 26. Kg2 Re4 27. Ra8 Re7 28. Kf3 Rb7 29. Qe2 Rc7 30. Qe5+ Kh7 31. Qxc7 g5 32. Qxf7# 1-0

[Event "GER-ch Net Amateur Gr-C Final"]
[Site "Playchess.com INT"]
[Date "2020.04.18"]
[Round "3"]
[White "Wartenberg, Alexander"]
[Black "Vollenberg, Joerg"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1511"]
[BlackElo "1670"]
[PlyCount "38"]
[EventDate "2020.04.18"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 Nf6 6. Bg5 Be7 7. 0-0 h6 8. Bh4 g5 9. Bg3 d6 10. e5 Nh5 11. exd6 Bxd6 12. Bxd6 Qxd6 13. Nxg5 hxg5 14. Re1 Nf4 15. Nb5 Qc6 16. f3 a6 17. Nc3 Qd6 18. Kh1 Nxd3 19. Qxd3 Qxh2# 0-1

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "2"]
[White "Fernandez, Thomas"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1620"]
[BlackElo "1485"]
[PlyCount "115"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 bxc6 5. Nc3 d6 6. d4 exd4 7. Nxd4 Bb7 8. 0-0 Be7 9. Re1 0-0 10. Nf5 d5 11. e5 Nd7 12. e6 fxe6 13. Nd4 e5 14. Ne6 Qe8 15. Nxf8 Qxf8 16. Qg4 Nf6 17. Qg3 Bd6 18. Qg5 e4 19. Bf4 Bxf4 20. Qxf4 Rc8 21. Re2 Ba6 22. Rd2 Qb4 23. Rb1 d4 24. a3 Qa5 25. b4 Qxa3 26. Nxe4 Nxe4 27. Qxe4 Bb5 28. Qxd4 Qa2 29. Rbd1 Re8 30. h3 Qe6 31. Qd7 Qxd7 32. Rxd7 Rc8 33. Re7 Kf8 34. Rdd7 c5 35. Rxc7 Rxc7 36. Rxc7 cxb4 37. Rxa7 Kg8 38. Rb7 Ba4 39. Rxb4 Bxc2 40. f4 Kf7 41. Kf2 Kf6 42. Ke3 Kf5 43. Rb5+ Ke6 44. g4 Bd1 45. f5+ Kf6 46. Kf4 g5+ 47. fxg6 hxg6 48. g5+ Ke6 49. h4 Ba4 50. Rb6+ Kf7 51. Ke5 Be8 52. Rb7+ Kg8 53. Kf6 Kf8 54. Rb8 Kg8 55. Rxe8+ Kh7 56. Re7+ Kh8 57. Kxg6 Kg8 58. Re8# 1-0

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "9"]
[White "Grave, Lukas"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1449"]
[BlackElo "1496"]
[PlyCount "16"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kxf2 Nxe4+ 7. Kg1 Qh4 8. Nxh8 Qf2# 0-1

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "7"]
[White "Kuever, Bastian"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1644"]
[BlackElo "1517"]
[PlyCount "51"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. Re1 Bd7 6. h3 Be7 7. c3 0-0 8. d4 exd4 9. cxd4 Qe8 10. Bd3 a6 11. Nbd2 b5 12. Nf1 Qd8 13. Ng3 Re8 14. Bc2 Bf8 15. Qd3 Nb4 16. Qd2 Nxc2 17. Qxc2 d5 18. e5 Ne4 19. Nxe4 dxe4 20. Qxe4 Bd6 21. Ng5 g6 22. Qf3 Re7 23. Bd2 Bxe5 24. Rxe5 Rxe5 25. Qxf7+ Kh8 26. Qxh7# 1-0

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "4"]
[White "Marcziter, Alex"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1580"]
[BlackElo "1479"]
[PlyCount "84"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kxf2 Nxe4+ 7. Kg1 Qh4 8. Qf1 Rf8 9. d3 Nf6 10. c3 d5 11. Bg5 Qh5 12. Bxf6 dxc4 13. Bxg7 Rxf7 14. Bf6 Qg6 15. dxc4 Rxf6 16. Qe2 Bg4 17. Qe3 Qf5 18. Nd2 0-0-0 19. h3 Bh5 20. Rf1 Qg6 21. Rxf6 Qxf6 22. Kh2 Qf4+ 23. Qxf4 exf4 24. Ne4 f3 25. Nf6 fxg2 26. Kxg2 Bg6 27. Re1 Rf8 28. Nd5 Bf7 29. Kg3 Bxd5 30. cxd5 Rg8+ 31. Kf4 Nd8 32. Re7 h5 33. Ke5 Rg2 34. Kd4 Rxb2 35. a4 Rh2 36. Re3 h4 37. Kc5 b6+ 38. Kb5 Kb7 39. Re8 Nf7 40. Re7 Nd6+ 41. Kb4 Rxh3 42. c4 a5# 0-1

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "5"]
[White "Roos Nazario, Lukas"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1583"]
[BlackElo "1501"]
[PlyCount "128"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 Bc5 5. d3 0-0 6. Be3 Nd4 7. 0-0 d6 8. Nd5 Nxd5 9. Bxd5 c6 10. Bc4 d5 11. exd5 cxd5 12. Bb3 Nxb3 13. axb3 Bxe3 14. fxe3 Bg4 15. Qe1 Qc7 16. c3 e4 17. dxe4 dxe4 18. Nd4 Qb6 19. Qf2 Be6 20. Qf4 Bxb3 21. Nxb3 Qxb3 22. Rfb1 Qd5 23. b3 a6 24. c4 Qe6 25. Rd1 Rad8 26. Qc7 Rxd1+ 27. Rxd1 Qc6 28. Qxc6 bxc6 29. Rd4 f5 30. Kf2 g6 31. Kg3 Kg7 32. Kf4 Kf6 33. Rd6+ Kg7 34. Rxc6 Rb8 35. Rxa6 Rxb3 36. c5 Rb5 37. c6 Rc5 38. Ra7+ Kh6 39. c7 g5+ 40. Kg3 Kg6 41. Rb7 h5 42. h3 h4+ 43. Kh2 Kf6 44. Kg1 Ke6 45. Kf2 Kd7 46. g3 Rxc7 47. Rxc7+ Kxc7 48. g4 fxg4 49. hxg4 Kd6 50. Ke2 Kd5 51. Kf2 Kc4 52. Ke2 Kc3 53. Kf2 Kd3 54. Kg2 Kxe3 55. Kg1 Kf3 56. Kf1 Kxg4 57. Ke2 h3 58. Kf2 Kf4 59. Kf1 g4 60. Kf2 g3+ 61. Kg1 e3 62. Kf1 Kf3 63. Kg1 e2 64. Kh1 e1Q# 0-1

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "6"]
[White "Wartenberg, Alexander"]
[Black "Fliegner, Thomas"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1522"]
[BlackElo "1310"]
[PlyCount "142"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Nf3 Bg4 6. Be2 Nc6 7. Bf4 e6 8. h3 Bh5 9. Nb5 Rc8 10. 0-0 a6 11. Nc3 Bd6 12. Bxd6 Qxd6 13. Re1 0-0 14. Ne5 Bxe2 15. Qxe2 b5 16. Nxc6 Rxc6 17. Qd3 Rfc8 18. Rad1 b4 19. Na4 Rxc2 20. Nc5 Rxb2 21. Nxa6 Rxa2 22. Nc5 Nd7 23. Nxd7 Qxd7 24. Qb3 Qa4 25. Qxa4 Rxa4 26. Rc1 Rca8 27. f3 g6 28. Kf2 b3 29. Ke3 b2 30. Rb1 Ra1 31. Kd2 Rxb1 32. Rxb1 Ra4 33. Kc3 Rc4+ 34. Kd3 Rb4 35. Kc3 Rb5 36. Rxb2 Rxb2 37. Kxb2 Kf8 38. Kc3 Ke7 39. g4 Kd6 40. f4 f6 41. h4 Kc6 42. Kb4 h6 43. Ka5 e5 44. fxe5 fxe5 45. dxe5 d4 46. Kb4 Kd5 47. e6 Kxe6 48. Kc4 Ke5 49. Kd3 Kd5 50. h5 g5 51. Kd2 Ke4 52. Ke2 d3+ 53. Kd2 Kd4 54. Kd1 Ke3 55. Ke1 Ke4 56. Kd2 Kf3 57. Kxd3 Kxg4 58. Ke3 Kxh5 59. Kf2 Kh4 60. Kg2 g4 61. Kh2 Kg5 62. Kg3 h5 63. Kg2 h4 64. Kh2 Kf4 65. Kg2 Ke3 66. Kh2 Kf2 67. Kh1 Kg3 68. Kg1 h3 69. Kh1 Kf3 70. Kg1 g3 71. Kh1 Kf2 1/2-1/2

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "3"]
[White "Wartenberg, Alexander"]
[Black "Schmidt, Thurid"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1470"]
[BlackElo "1252"]
[PlyCount "53"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Nxc6 Qxe4+ 7. Qe2 Qxe2+ 8. Bxe2 dxc6 9. 0-0 Nf6 10. Bg5 Be7 11. Rfe1 0-0 12. Bd3 Re8 13. Bxf6 gxf6 14. Ne4 Be6 15. Re3 Bd5 16. Rae1 Bxa2 17. b3 f5 18. Nf6+ Bxf6 19. Rxe8+ Rxe8 20. Rxe8+ Kg7 21. Ra8 a6 22. Ra7 b5 23. Rxc7 h5 24. Ra7 Kg6 25. Rxa6 h4 26. Rxa2 Kg5 27. Ra6 1-0

[Event "GER-ch Net Amateur Gr-C Vor3"]
[Site "Playchess.com INT"]
[Date "2020.04.16"]
[Round "8"]
[White "Wartenberg, Alexander"]
[Black "Stadtmueller, Max"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1506"]
[BlackElo "1657"]
[PlyCount "58"]
[EventDate "2020.04.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nc6 5. Nf3 Nf6 6. Nxf6+ Qxf6 7. Bb5 Bd7 8. 0-0 h6 9. Be3 a6 10. Ba4 Bd6 11. Re1 0-0 12. c4 Rab8 13. d5 exd5 14. cxd5 Ne5 15. Bd4 Nxf3+ 16. gxf3 Bxa4 17. Qxa4 Qh4 18. Kf1 Qxh2 19. Qc2 Qh3+ 20. Ke2 Rfe8+ 21. Kd2 Bf4+ 22. Be3 Qxf3 23. Bxf4 Qxf2+ 24. Kc3 Rxe1 25. Qxf2 Rxa1 26. Qg2 g5 27. Bxc7 Rc8 28. d6 Rc1+ 29. Kd2 Rb1 0-1

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "5"]
[White "Beck, Arno"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1255"]
[BlackElo "1407"]
[PlyCount "108"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Bg5 Be7 8. e5 dxe5 9. Qxd8+ Bxd8 10. 0-0-0 0-0 11. Bxf6 Bxf6 12. Bd3 Bg4 13. Rde1 Rfe8 14. Ne4 Bd8 15. h3 Bf5 16. g4 Bg6 17. Rhf1 Bxe4 18. Bxe4 Bg5+ 19. Kb1 c6 20. f3 Rad8 21. a3 Rd2 22. Rd1 Red8 23. Rxd2 Rxd2 24. c3 Rh2 25. Bf5 Rxh3 26. Bc8 b6 27. Bb7 c5 28. f4 Bxf4 29. Re1 Rg3 30. Bc8 g6 31. Rd1 Kf8 32. Rd8+ Ke7 33. Rd7+ Ke8 34. Rxa7 Rg1+ 35. Ka2 Kd8 36. Ba6 Rxg4 37. Bc4 h5 38. Rxf7 h4 39. Rh7 Bg5 40. Be2 Rg2 41. Bd3 Rg3 42. Bxg6 h3 43. Be4 Bf4 44. Rh8+ Ke7 45. Rh7+ Kf6 46. Rb7 h2 47. Rxb6+ Kg5 48. Rb5 Re3 49. Bg2 c4 50. Rc5 Kg4 51. Rxc4 Kg3 52. Bc6 e4 53. b4 h1Q 54. Bxe4 Rxe4 0-1

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "3"]
[White "Kilius, Anastasios"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1316"]
[BlackElo "1434"]
[PlyCount "93"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Nc6 3. b5 Nd4 4. e3 Nxb5 5. Bxb5 c6 6. Bf1 d6 7. Nf3 Bg4 8. Be2 Nf6 9. 0-0 Be7 10. h3 Bh5 11. Nh2 Bg6 12. Nc3 0-0 13. d3 Qd7 14. e4 d5 15. exd5 cxd5 16. Ng4 Qd6 17. Nxf6+ Bxf6 18. Bh5 Bf5 19. Qf3 Be6 20. Bg4 Bxg4 21. Qxg4 Rad8 22. a4 d4 23. Ne4 Qc6 24. Nxf6+ Qxf6 25. Ba3 Rfe8 26. f4 h6 27. fxe5 Qxe5 28. Qf4 Qxf4 29. Rxf4 g6 30. Raf1 f5 31. Bc5 b6 32. Bxd4 Rc8 33. c3 Re2 34. R4f2 Ree8 35. Rf3 Re2 36. R1f2 Re1+ 37. Kh2 Rce8 38. Kg3 Rc8 39. Re3 Rxe3+ 40. Bxe3 g5 41. Bd4 f4+ 42. Kf3 Re8 43. Re2 Rc8 44. Re6 Kh7 45. Re7+ Kg6 46. g4 Rf8 47. Rg7# 1-0

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "8"]
[White "Schriefer, Leo Hans"]
[Black "Wartenberg, Alexander"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1432"]
[BlackElo "1445"]
[PlyCount "133"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Bg5 h6 7. Bh4 d6 8. h3 Nd4 9. Nc3 c6 10. Nxd4 Bxd4 11. Qf3 a5 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. a4 Be6 15. Bxe6 fxe6 16. Ra2 Kh7 17. Ne2 Bb6 18. c3 Rg8 19. d4 exd4 20. Nxd4 Bxd4 21. cxd4 Rg6 22. Rb1 Rag8 23. g3 f5 24. e5 dxe5 25. dxe5 f4 26. Ra3 fxg3 27. fxg3 Rxg3+ 28. Rxg3 Rxg3+ 29. Kh2 Re3 30. b4 axb4 31. Rxb4 Rxe5 32. Rxb7+ Kg6 33. Rb6 Ra5 34. Rxc6 Kf5 35. Rc4 e5 36. Kg3 e4 37. Kf2 Kf4 38. Kg2 Ke3 39. Kf1 Kd3 40. Rb4 e3 41. Ke1 e2 42. Rb3+ Kc4 43. Rg3 Rxa4 44. Rg4+ Kb3 45. Rxa4 Kxa4 46. Kxe2 Kb4 47. Kf3 Kc5 48. Kg4 Kd6 49. Kh5 Ke7 50. Kxh6 Kf7 51. Kh5 Kg7 52. Kg5 Kh7 53. Kh5 Kg7 54. Kg5 Kh7 55. h4 Kg7 56. h5 Kh7 57. h6 Kh8 58. Kh4 Kh7 59. Kh5 Kh8 60. Kg5 Kh7 61. Kh5 Kh8 62. Kg6 Kg8 63. Kf6 Kh7 64. Kg5 Kh8 65. Kg6 Kg8 66. Kh5 Kh7 67. Kg5 1/2-1/2

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "2"]
[White "Wartenberg, Alexander"]
[Black "Grunwald, Guenther"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1499"]
[BlackElo "1462"]
[PlyCount "72"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. e5 Qe6 7. Bc4 Qg6 8. 0-0 Ne7 9. Bd3 Qb6 10. Qxb6 axb6 11. Nc3 Nc6 12. Re1 Be7 13. Bf4 0-0 14. Nd5 Bd8 15. a3 Ne7 16. Bc4 c6 17. Nxe7+ Bxe7 18. Rad1 b5 19. Bd3 g5 20. Bc1 f6 21. exf6 Bxf6 22. Re3 d5 23. Rg3 h6 24. h4 Be5 25. Re3 Bf4 26. Rf3 Bg4 27. Bxf4 Bxf3 28. gxf3 Rxf4 29. hxg5 hxg5 30. Kg2 Raf8 31. Be2 g4 32. Bd3 gxf3+ 33. Kg3 R4f6 34. Rh1 R6f7 35. Bg6 Rg7 36. Rh6 Rf6 0-1

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "7"]
[White "Wartenberg, Alexander"]
[Black "Kuever, Benjamin"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1431"]
[BlackElo "1567"]
[PlyCount "106"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Nc3 Nf6 7. Bc4 Bb4 8. Bg5 h6 9. Bh4 0-0 10. 0-0 Bxc3 11. bxc3 Bb7 12. Qd3 d5 13. exd5 cxd5 14. Bb3 Qd6 15. Bxf6 Qxf6 16. Bxd5 Bxd5 17. Qxd5 Rfd8 18. Qc4 Rac8 19. Qb3 Qc6 20. Rfe1 Qxc3 21. Qxc3 Rxc3 22. Rac1 f6 23. Red1 Rxd1+ 24. Rxd1 Rxc2 25. a4 Ra2 26. g3 Rxa4 27. Rd8+ Kf7 28. Rd7+ Kg6 29. h4 a5 30. Rb7 Rb4 31. Ra7 a4 32. Kf1 h5 33. Ke2 Kh6 34. Kd3 g5 35. hxg5+ Kxg5 36. Kc3 Rd4 37. f3 h4 38. Rg7+ Kh6 39. Rg8 hxg3 40. Rxg3 a3 41. Kb3 a2 42. Kxa2 Rd3 43. Kb2 e4 44. Kc2 Rxf3 45. Rxf3 exf3 46. Kd2 Kg5 47. Ke3 Kg4 48. Kf2 Kf4 49. Kf1 Ke4 50. Kf2 Kf4 51. Kf1 Ke3 52. Ke1 Ke4 53. Kf2 Kf4 1/2-1/2

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "4"]
[White "Wartenberg, Alexander"]
[Black "Lang, Dirk"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "1371"]
[BlackElo "1309"]
[PlyCount "53"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 Bxc3+ 7. Qxc3 Nc6 8. Nf3 Be6 9. e3 Qd7 10. Bb5 a6 11. Ba4 b5 12. Bb3 0-0 13. Bxf6 gxf6 14. 0-0 Kh8 15. Rac1 Rg8 16. Qxc6 Qxc6 17. Rxc6 Bh3 18. Nh4 f5 19. Bxd5 Raf8 20. Rxc7 Rg5 21. Rxf7 Rxf7 22. Bxf7 Kg7 23. Bd5 f4 24. Bb7 f3 25. Bxf3 Kf6 26. Rc1 Bxg2 27. Nxg2 1-0

[Event "GER-ch Net Amateur Gr-C Vor2"]
[Site "Playchess.com INT"]
[Date "2020.04.15"]
[Round "9"]
[White "Wartenberg, Alexander"]
[Black "Winkler, Andreas"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1444"]
[BlackElo "1486"]
[PlyCount "107"]
[EventDate "2020.04.15"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 e6 3. d4 d5 4. exd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. Be2 Nf6 8. 0-0 Bd6 9. Ne5 0-0 10. Nxc6 bxc6 11. Bxd6 Qxd6 12. Re1 Qf4 13. Bf3 Bb7 14. Ne2 Qg5 15. Ng3 Rfe8 16. Qe2 a5 17. Qe5 Qd2 18. Rac1 Ba6 19. Red1 Qb4 20. b3 a4 21. c3 Qa3 22. bxa4 Qxa4 23. Ra1 Bc4 24. a3 Bb3 25. Rdc1 Bc2 26. Bd1 Bxd1 27. Rxd1 Qc4 28. Rdc1 Rab8 29. Qe2 Qa4 30. Qc2 Qc4 31. a4 Ra8 32. a5 h6 33. Qa2 Qd3 34. a6 Ne4 35. Nxe4 Qxe4 36. a7 f5 37. Rcb1 Qf4 38. Qb2 Kh7 39. g3 Qd6 40. Qb7 Kg6 41. Rb2 e5 42. Rab1 exd4 43. cxd4 Kg5 44. Qxg7+ Qg6 45. Qxg6+ Kxg6 46. Rb8 f4 47. Rxe8 Rxe8 48. Rb8 Re1+ 49. Kg2 fxg3 50. Kxg3 Rg1+ 51. Kf3 Rd1 52. a8Q Rd3+ 53. Ke2 Rxd4 54. Qxc6+ 1-0

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "4"]
[White "Kuever, Bastian"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1450"]
[BlackElo "1620"]
[PlyCount "130"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. c3 cxd4 4. cxd4 Bf5 5. e3 e6 6. Qb3 Qd7 7. Bb5 Nc6 8. Nf3 f6 9. 0-0 a6 10. Bxc6 Qxc6 11. Nbd2 g5 12. Rac1 Qb5 13. Bg3 h5 14. h3 g4 15. hxg4 hxg4 16. Nh4 Bd3 17. Rc3 Qxb3 18. Nxb3 Bxf1 19. Kxf1 Bb4 20. Rc7 b5 21. Ng6 Rh1+ 22. Ke2 Re1+ 23. Kd3 Nh6 24. a3 Bf8 25. Nc5 Nf5 26. Nxe6 Nxg3 27. fxg3 Bd6 28. Rh7 Rc8 29. Rh8+ Kd7 30. Nc5+ Bxc5 31. Rxc8 Kxc8 32. dxc5 Rd1+ 33. Kc2 Rg1 34. Ne7+ Kd7 35. Nxd5 Rxg2+ 36. Kc3 Kc6 37. Nxf6 Rxg3 38. Kd4 Rg2 39. b4 Rd2+ 40. Kc3 Re2 41. Kd3 Ra2 42. Nxg4 Rxa3+ 43. Kd4 Ra4 44. Ne5+ Kc7 45. Nd3 a5 46. Kc3 axb4+ 47. Nxb4 Ra3+ 48. Kd4 Rb3 49. Nd5+ Kc6 50. e4 b4 51. Kc4 Rb1 52. Nxb4+ Kd7 53. c6+ Kc7 54. Kb5 Re1 55. Nd5+ Kd6 56. Kb6 Rb1+ 57. Ka7 Kxc6 58. Nf6 Kd6 59. Ne8+ Ke5 60. Nc7 Kxe4 61. Ka6 Kd4 62. Nb5+ Kc5 63. Nc7 Kc6 64. Nb5 Ra1+ 65. Na3 Rxa3# 0-1

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "5"]
[White "Serrer, David"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1549"]
[BlackElo "1620"]
[PlyCount "147"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. e3 0-0 7. Bd3 Nc6 8. a3 Be7 9. Nge2 h6 10. Bh4 Bg4 11. f3 Bh5 12. g4 Nxg4 13. fxg4 Bxh4+ 14. Ng3 Bg6 15. Bxg6 fxg6 16. Qd3 Qf6 17. 0-0-0 Bxg3 18. hxg3 Rae8 19. Nxd5 Qf7 20. Rdf1 Qxd5 21. Qxg6 Rxf1+ 22. Rxf1 Qc4+ 23. Kd2 Qxf1 24. Qxe8+ Kh7 25. Qe4+ g6 26. d5 Qf2+ 27. Kd3 Nd8 28. Qe7+ Nf7 29. Kd4 Qxb2+ 30. Ke4 Qc2+ 31. Kd4 Qd2+ 32. Ke4 Qg2+ 33. Kd4 Qxg3 34. Qxf7+ Kh8 35. Qxg6 Qd6 36. Qxd6 cxd6 37. Ke4 Kg7 38. Kf5 Kf7 39. a4 a6 40. e4 b5 41. axb5 axb5 42. e5 dxe5 43. Kxe5 b4 44. Kd4 b3 45. Kc3 b2 46. Kxb2 Ke7 47. Kc3 Kd6 48. Kd4 Kd7 49. Ke5 Ke7 50. d6+ Kd7 51. Kd5 Kd8 52. Ke6 Ke8 53. Kf6 Kd7 54. Kg6 Kxd6 55. Kxh6 Ke6 56. g5 Kf7 57. Kh7 Kf8 58. g6 Ke7 59. g7 Ke6 60. g8Q+ Ke5 61. Qf8 Ke4 62. Kg6 Kd5 63. Qe7 Kd4 64. Kf5 Kd5 65. Qe5+ Kc4 66. Qd6 Kc3 67. Ke4 Kc4 68. Qd4+ Kb5 69. Qc3 Kb6 70. Kd5 Kb5 71. Qc5+ Ka6 72. Qb4 Ka7 73. Kc6 Ka6 74. Qb6# 1-0

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "8"]
[White "Turba, Vincent"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1444"]
[BlackElo "1620"]
[PlyCount "68"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. e3 Bf5 7. Nd2 e6 8. c4 Nf6 9. Be2 Bb4 10. a3 Ba5 11. b4 Bc7 12. Bxc7 Qxc7 13. cxd5 cxd5 14. 0-0 0-0 15. Nf3 Rac8 16. Bd3 Bg4 17. h3 Bh5 18. Be2 Rfd8 19. Nd2 Bxe2 20. Qxe2 d4 21. Rac1 Qxc1 22. Rxc1 Rxc1+ 23. Nf1 d3 24. Qd2 Rc2 25. Qd1 Ne4 26. f3 Nc3 27. Qa1 d2 28. Nxd2 Rdxd2 29. Kh2 Rxg2+ 30. Kh1 Rh2+ 31. Kg1 Rcg2+ 32. Kf1 Rh1+ 33. Kxg2 Rxa1 34. f4 Rxa3 0-1

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "1"]
[White "Wartenberg, Alexander"]
[Black "Bernath, Markus"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1620"]
[BlackElo "1229"]
[PlyCount "54"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Nc3 d6 7. Bg5 Be7 8. Bc4 0-0 9. 0-0 h6 10. Bh4 Be6 11. Bxe6 fxe6 12. Rad1 e5 13. Qc4+ Kh8 14. Nd5 Nxd5 15. Bxe7 Nxe7 16. Qb4 b6 17. c4 Nc6 18. Qc3 Nd4 19. Rfe1 Qh4 20. g3 Qf6 21. f4 Qg6 22. fxe5 Nf3+ 23. Kh1 Nxe1 24. Rxe1 Rf2 25. exd6 cxd6 26. Rg1 Qxe4+ 27. Rg2 Qxg2# 0-1

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "3"]
[White "Wartenberg, Alexander"]
[Black "Bone, Karin"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1620"]
[BlackElo "1261"]
[PlyCount "29"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nf6 6. Nxc6 Bxe3 7. Nxd8 Kxd8 8. fxe3 Nxe4 9. Qd4 Nf6 10. Bc4 d6 11. 0-0 Bf5 12. Rxf5 Ng4 13. Qxg4 g6 14. Rxf7 Re8 15. Qd7# 1-0

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "7"]
[White "Wartenberg, Alexander"]
[Black "Li, Xiaoteng"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1620"]
[BlackElo "1620"]
[PlyCount "73"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Bg5 c5 7. Bxf6 Qxf6 8. Qxf6 gxf6 9. Nc3 Bd6 10. Bd3 Be5 11. 0-0 d6 12. Rab1 b6 13. Nd5 Kf8 14. f4 Bd4+ 15. Kh1 Bb7 16. c3 Bxd5 17. exd5 Be3 18. Rf3 Re8 19. Re1 c4 20. Bxc4 Bc5 21. Rxe8+ Kxe8 22. Bb5+ Kd8 23. Rf1 Be3 24. Re1 Bc5 25. b4 Bf2 26. Re2 Bh4 27. g3 a6 28. Bxa6 Bxg3 29. hxg3 Rg8 30. Kg2 Rg6 31. Bd3 Rh6 32. Kf3 Kd7 33. Bf5+ Kd8 34. a4 Rh1 35. Ra2 Rf1+ 36. Kg2 Rb1 37. Bxb1 1-0

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "6"]
[White "Wartenberg, Alexander"]
[Black "Vaghef, Mohammad Reza"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1620"]
[BlackElo "1415"]
[PlyCount "59"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Bb5 Bd7 8. d4 Bb4 9. Bxc6 Bxc3+ 10. bxc3 Bxc6 11. Nf3 Bxf3 12. gxf3 Qd5 13. Ke2 0-0-0 14. Be3 Rhe8 15. Rhd1 Qb5+ 16. Ke1 Qc4 17. Rd2 Qxc3 18. Rb1 e5 19. Rb3 Qa1+ 20. Rd1 Qxa2 21. Rdb1 exd4 22. R3b2 Qa5+ 23. Ke2 dxe3 24. fxe3 Qd2+ 25. Kf1 Rxe3 26. Rxb7 Qe2+ 27. Kg1 Rd1+ 28. Rxd1 Qxd1+ 29. Kg2 Qxf3+ 30. Kg1 0-1

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "2"]
[White "Weckerle, Anatol"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1108"]
[BlackElo "1620"]
[PlyCount "102"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. a3 Nc6 7. Nf3 Be7 8. d3 Be6 9. 0-0 0-0 10. b4 f6 11. e3 Qd7 12. Bb2 a5 13. b5 Na7 14. a4 c6 15. Ba3 Bxa3 16. Rxa3 cxb5 17. axb5 Nxb5 18. Nxb5 Qxb5 19. d4 Qb4 20. Ra1 exd4 21. Nxd4 Bd5 22. Rb1 Qc5 23. e4 Bf7 24. Rc1 Qd6 25. Nf5 Qxd1 26. Rfxd1 Rab8 27. Ne7+ Kh8 28. Nf5 g6 29. Ne3 Kg7 30. Rb1 Nc4 31. Nxc4 Bxc4 32. Rdc1 Bf7 33. Rc7 b5 34. Re7 b4 35. e5 fxe5 36. Rxe5 a4 37. Re4 b3 38. Rxa4 b2 39. Ra7 Rfc8 40. Ra8 Rxa8 41. Bxa8 Rc1+ 42. Rxc1 bxc1Q+ 43. Kg2 Qc8 44. Bf3 Qd7 45. h4 Bd5 46. Bxd5 Qxd5+ 47. Kh2 Kf6 48. Kg1 Qf3 49. Kh2 Kf5 50. Kh3 Qxf2 51. g4+ Kf4 0-1

[Event "GER-ch Net Amateur Gr-C Vor1"]
[Site "Playchess.com INT"]
[Date "2020.04.14"]
[Round "9"]
[White "Winkler, Andreas"]
[Black "Wartenberg, Alexander"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1532"]
[BlackElo "1620"]
[PlyCount "115"]
[EventDate "2020.04.14"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 196 Extra"]
[Source "ChessBase"]
[SourceDate "2020.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. 0-0 Bd7 6. Nc3 a6 7. Bc4 Be7 8. h3 0-0 9. Bg5 h6 10. Be3 b5 11. Bb3 Na5 12. Qd2 Nxb3 13. axb3 Bc6 14. Bxh6 gxh6 15. Qxh6 Nh7 16. Qh5 Bg5 17. Nd5 Bxd5 18. exd5 Qf6 19. Rfe1 Qg6 20. Qg4 f5 21. Qb4 Qh6 22. Re2 Rfe8 23. c4 bxc4 24. Qxc4 Qf6 25. Rxa6 Rxa6 26. Qxa6 e4 27. dxe4 fxe4 28. Nh2 Qf4 29. Qa1 e3 30. f3 Bh4 31. Ng4 Bf2+ 32. Nxf2 exf2+ 33. Kxf2 Rxe2+ 34. Kxe2 Qe5+ 35. Kf1 Qxd5 36. Qa4 Qd1+ 37. Kf2 Qc2+ 38. Kg3 Qxb2 39. Qc4+ Kg7 40. Qxc7+ Kg6 41. Qxd6+ Nf6 42. b4 Qc3 43. Kh2 Qd3 44. Qc5 Qf5 45. Qxf5+ Kxf5 46. g4+ Kg6 47. Kg3 Nd5 48. b5 Kg5 49. f4+ Kf6 50. h4 Kg6 51. h5+ Kh6 52. Kf3 Nf6 53. g5+ Kxh5 54. gxf6 Kg6 55. f7 Kxf7 56. b6 Ke7 57. b7 Kd6 58. b8Q+ 1-0

[Event "GER-ch U25-C"]
[Site "Willingen"]
[Date "2019.06.15"]
[Round "9"]
[White "Frank, Cillian"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1309"]
[BlackElo "1002"]
[PlyCount "66"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Bb5 Bg4 6. d3 Nge7 7. h3 Bxf3 8. Qxf3 0-0 9. Qg3 Re8 10. fxe5 dxe5 11. Bxc6 Nxc6 12. Bh6 Bf8 13. Nd5 Re6 14. Bg5 Rg6 15. Bxd8 Rxg3 16. Bxc7 Rxg2 17. 0-0-0 f6 18. Rdg1 Rxg1+ 19. Rxg1 Nb4 20. Nxf6+ Kh8 21. Nd7 Rc8 22. Nxf8 Rxc7 23. c3 Nxd3+ 24. Kc2 Nf4 25. Rd1 Rc8 26. Nd7 Nxh3 27. Nxe5 h6 28. Rd8+ Rxd8 29. Nf7+ Kh7 30. Nxd8 g5 31. e5 Kg7 32. e6 Kf8 33. Nxb7 g4 0-1

[Event "GER-ch U25-C"]
[Site "Willingen"]
[Date "2019.06.14"]
[Round "8"]
[White "Wartenberg, Alexander"]
[Black "Wilmink, Luca"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1002"]
[BlackElo "1283"]
[PlyCount "121"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d5 6. Nxc6 bxc6 7. exd5 Nxd5 8. Nxd5 Qxd5 9. Qxd5 cxd5 10. Bb5+ Bd7 11. Bxd7+ Kxd7 12. 0-0 g6 13. Rd1 e6 14. c4 Kd6 15. Bf4+ Kd7 16. cxd5 Bg7 17. dxe6+ Kxe6 18. Re1+ Kf5 19. Bc1 Rab8 20. Re7 Rhd8 21. g3 Rd1+ 22. Kg2 Rc8 23. Rxf7+ Bf6 24. Rxf6+ Kxf6 25. Bg5+ Kxg5 26. Rxd1 Rc2 27. Rd7 Rxb2 28. Rxa7 h5 29. Ra5+ Kh6 30. a4 Ra2 31. Ra8 Ra1 32. a5 Kg5 33. a6 Kh6 34. a7 Kg5 35. h4+ Kg4 36. f3+ Kf5 37. Rf8+ Ke5 38. a8Q Rxa8 39. Rxa8 Kf5 40. Ra5+ Kf6 41. g4 hxg4 42. fxg4 Kg7 43. h5 gxh5 44. gxh5 Kh6 45. Kh3 Kh7 46. Ra6 Kh8 47. h6 Kg8 48. h7+ Kh8 49. Kh4 Kg7 50. h8Q+ Kxh8 51. Kh5 Kg7 52. Kg5 Kf7 53. Rg6 Ke7 54. Rf6 Ke8 55. Kf5 Ke7 56. Ke5 Kd7 57. Re6 Kc7 58. Kd5 Kc8 59. Re7 Kb8 60. Kc6 Kc8 61. Re8# 1-0

[Event "GER-ch U25-C"]
[Site "Willingen"]
[Date "2019.06.13"]
[Round "7"]
[White "Chassard, Cecilia"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "915"]
[BlackElo "1002"]
[PlyCount "54"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bd4 7. Bxd4 Nxd4 8. Nxd4 exd4 9. e5 dxc3 10. exf6 Qxf6 11. bxc3 Qxc3+ 12. Kf1 0-0 13. Rc1 d6 14. Qe1 Qxe1+ 15. Rxe1 Bd7 16. Rg1 Rfe8 17. g4 Rxe1+ 18. Kxe1 g6 19. g5 hxg5 20. Rxg5 Kg7 21. h4 Kf6 22. h5 Kxg5 23. hxg6 fxg6 24. Kf1 Kf4 25. d4 Rh8 26. Bd3 Kf3 27. Bxg6 Rh1# 0-1

[Event "GER-ch U25-C"]
[Site "Willingen"]
[Date "2019.06.12"]
[Round "5"]
[White "Gattermayer, Martin"]
[Black "Wartenberg, Alexander"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1002"]
[PlyCount "73"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Qd3 Nc6 4. e4 dxe4 5. Nxe4 Nxe4 6. Qxe4 Qxd4 7. Qxd4 Nxd4 8. Bd3 Bf5 9. Bxf5 Nxf5 10. Nf3 0-0-0 11. 0-0 e6 12. Bf4 Bd6 13. Ne5 Rhf8 14. Nd3 Bxf4 15. Nxf4 Rd2 16. Rac1 Nd4 17. Rcd1 Ne2+ 18. Nxe2 Rxe2 19. Rc1 Rd8 20. Rfe1 Rdd2 21. Rxe2 Rxe2 22. Kf1 Re5 23. Rd1 c6 24. Rd4 Kc7 25. Rf4 Rf5 26. Rg4 g5 27. h4 h6 28. g3 f6 29. f4 h5 30. Rxg5 fxg5 31. hxg5 e5 32. g6 exf4 33. g7 fxg3+ 34. Kg2 Rg5 35. Kg1 Rxg7 36. Kg2 h4 37. Kg1 0-1

[Event "GER-ch U25-C"]
[Site "Willingen"]
[Date "2019.06.12"]
[Round "6"]
[White "Wartenberg, Alexander"]
[Black "Barthel, Sascha"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1002"]
[BlackElo "1297"]
[PlyCount "70"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 Bd6 4. Bc4 Nf6 5. Nc3 exd4 6. Nxd4 Be5 7. Nxc6 bxc6 8. 0-0 Bxc3 9. bxc3 Nxe4 10. Re1 d5 11. Bf1 0-0 12. Ba3 Re8 13. Qd3 Bd7 14. Rad1 Qf6 15. c4 Nxf2 16. Rxe8+ Rxe8 17. Bb2 Qf4 18. Qc3 f6 19. Re1 Rxe1 20. Qxe1 Ng4 21. g3 Qd6 22. Qe2 Qc5+ 23. Kg2 Ne3+ 24. Kh1 Ng4 25. Ba1 Nf2+ 26. Kg2 Bh3+ 27. Kg1 Ne4+ 28. Kh1 Bg4 29. Qe1 Nf2+ 30. Kg2 Bh3+ 31. Kf3 Bxf1 32. Qxf1 Ne4 33. Qe1 Qxc4 34. Kg2 Qxc2+ 35. Kh1 Qxa2 0-1

[Event "GER-ch U25-C"]
[Site "Willingen"]
[Date "2019.06.11"]
[Round "4"]
[White "Wartenberg, Alexander"]
[Black "Laux, Filip"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1002"]
[BlackElo "1155"]
[PlyCount "66"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Be2 e6 8. 0-0 Bd6 9. Ne5 Bxe5 10. dxe5 Nd5 11. c4 Nb6 12. Qxd8+ Kxd8 13. Bg5+ Ke8 14. Rfd1 N8d7 15. Bf4 h6 16. b4 c5 17. a3 Rc8 18. Rac1 Ke7 19. b5 Rhd8 20. Rd6 Bh7 21. Bd3 Bxd3 22. Rxd3 Nf8 23. Rcd1 Nxc4 24. Rxd8 Rxd8 25. Rc1 Nxa3 26. Rxc5 b6 27. Rc7+ Rd7 28. Rc1 Nxb5 29. f3 Ng6 30. Ne2 Nd4 31. Nxd4 Nxf4 32. Nc6+ Ke8 33. Kf2 Nd3+ 0-1

