[Event "DSOL 07 Liga Gr-A 1st"]
[Site "Playchess.com INT"]
[Date "2020.08.12"]
[Round "2.1"]
[White "Wittenberg, Andreas"]
[Black "Arnz, Tom Niklas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1817"]
[BlackElo "1660"]
[PlyCount "45"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Hamburger SK IX"]
[BlackTeam "Lennep SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Bd6 6. 0-0 0-0 7. Bg5 Bg4 8. Nbd2 c6 9. c3 Nbd7 10. Qc2 h6 11. Bh4 Re8 12. Rfe1 Qc7 13. Bg3 Bxg3 14. hxg3 Rxe1+ 15. Rxe1 Re8 16. Rxe8+ Nxe8 17. Nh4 Nd6 18. Ndf3 g5 19. Nf5 Bxf5 20. Bxf5 Nxf5 21. Qxf5 Qd6 22. Nh2 Nf6 23. Ng4 1/2-1/2

[Event "DSOL 07 Liga Gr-A 1st"]
[Site "Playchess.com INT"]
[Date "2020.07.21"]
[Round "5.1"]
[White "Neis, Michael"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1645"]
[BlackElo "1817"]
[PlyCount "53"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Rheinfelden"]
[BlackTeam "Hamburger SK IX"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Nbd7 5. c4 Be7 6. Bd3 0-0 7. 0-0 Nh5 8. Qc2 f5 9. cxd5 Nxf4 10. exf4 exd5 11. Bxf5 Nf6 12. Nc3 c6 13. Rfe1 Qd6 14. Bxc8 Raxc8 15. Qb3 b6 16. Qa4 Qd7 17. Ne5 Qc7 18. Nxc6 Bd6 19. Ne5 Rfe8 20. Nb5 Qb8 21. Nxd6 Qxd6 22. Qxa7 Ra8 23. Qf7+ Kh8 24. Qxe8+ Nxe8 25. Nf7+ Kg8 26. Nxd6 Nxd6 27. Re6 1-0

[Event "DSOL 07 Liga Gr-A 1st"]
[Site "Playchess.com INT"]
[Date "2020.07.07"]
[Round "3.1"]
[White "Hilbert, Stephan Joerg"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1674"]
[BlackElo "1817"]
[PlyCount "49"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Thuering Foederverein"]
[BlackTeam "Hamburger SK IX"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b4 e6 2. Bb2 Nf6 3. a3 c5 4. bxc5 Bxc5 5. d4 Be7 6. Nd2 d5 7. g3 Nc6 8. e3 0-0 9. Bg2 Bd7 10. Ngf3 Rc8 11. 0-0 Na5 12. Re1 Ba4 13. Nb3 Nc4 14. Bc1 Ne4 15. Nfd2 Nexd2 16. Bxd2 Nxd2 17. Qxd2 Qc7 18. Rec1 Qc3 19. Qd1 Bxa3 20. Rxa3 Qb4 21. Rca1 Bxb3 22. Rxb3 Qc4 23. Bf1 Qxc2 24. Qxc2 Rxc2 25. Rxb7 1-0

[Event "BL2-West 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "9.5"]
[White "Fromme, Ernst"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2142"]
[BlackElo "2221"]
[PlyCount "29"]
[EventDate "2018.11.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. d3 d5 6. c4 e6 7. cxd5 Nxd5 8. Ne5 Bd6 9. Nc4 Be7 10. Bd2 0-0 11. Nc3 Nc6 12. Ne3 Nf6 13. Qa4 Qd7 14. Ne4 Rfd8 15. Rfe1 1/2-1/2

[Event "BL2-West 1819"]
[Site "Germany"]
[Date "2019.02.03"]
[Round "6.7"]
[White "Wittenberg, Andreas"]
[Black "Kotter, Ralf"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2221"]
[BlackElo "2372"]
[PlyCount "108"]
[EventDate "2018.11.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Dortmund Hansa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. c4 cxd4 5. Nxd4 d5 6. cxd5 Qxd5 7. Nf3 Qxd1+ 8. Kxd1 Bc5 9. e3 Nc6 10. a3 Bd7 11. Bd3 Ng4 12. Ke1 Nge5 13. Be2 0-0-0 14. b4 Be7 15. Bb2 Bf6 16. Nxe5 Nxe5 17. f4 Nd3+ 18. Bxd3 Bxb2 19. Ra2 Bc6 20. e4 Rxd3 21. Rxb2 Bxe4 22. Ke2 Rhd8 23. Rc1+ Kb8 24. Rc3 Bf5 25. Rd2 Bg4+ 26. Ke1 R3d5 27. Rxd5 exd5 28. Re3 Rd7 29. Nc3 a6 30. Kd2 Kc7 31. Re5 Kc6 32. Rg5 f5 33. h3 Bxh3 34. Rh5 Bg4 35. Rxh7 d4 36. Na4 Re7 37. Nc5 a5 38. Nd3 axb4 39. Ne5+ Kd5 40. axb4 b5 41. Rh8 Ra7 42. Rd8+ Ke4 43. Rxd4+ Kxd4 44. Nc6+ Kc4 45. Nxa7 Kxb4 46. Nc6+ Kc5 47. Nd8 Kc4 48. Ne6 g6 49. Nf8 Bh5 50. Nd7 Kb3 51. Nc5+ Ka3 52. Kc2 Be2 53. Ne6 b4 54. Nd4 Bc4 0-1

[Event "BL2-West 1819"]
[Site "Germany"]
[Date "2019.01.20"]
[Round "5.5"]
[White "Schroeder, Kevin"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2332"]
[BlackElo "2221"]
[PlyCount "113"]
[EventDate "2018.11.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Solingen II"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. g3 c5 3. Nf3 b6 4. d5 d6 5. Bg2 Bb7 6. Nc3 Nf6 7. Nh4 e5 8. Bg5 Nbd7 9. Bh3 Qc7 10. e4 Ba6 11. Qf3 h6 12. Bxf6 Nxf6 13. a4 Nh7 14. Bf1 Bxf1 15. Kxf1 Qd7 16. Qf5 g6 17. Qxd7+ Kxd7 18. a5 Be7 19. Nf3 b5 20. Nxb5 Rhb8 21. c4 a6 22. Nc3 Rxb2 23. Na4 Rab8 24. Nxb2 Rxb2 25. Kg2 Nf6 26. Rhb1 Rxb1 27. Rxb1 Bd8 28. Rb7+ Ke8 29. Ra7 Bxa5 30. Rxa6 Bc7 31. Nd2 Kd7 32. Ra8 Bd8 33. f3 Ne8 34. Nb1 Nc7 35. Rb8 Na6 36. Rb7+ Nc7 37. Nc3 Kc8 38. Rb6 Kd7 39. Rc6 Ne8 40. Nb5 Be7 41. Ra6 Nf6 42. Ra7+ Kd8 43. Ra8+ Kd7 44. Na7 Ne8 45. Nc6 Bf6 46. Nb8+ Kd8 47. Na6+ Ke7 48. Ra7+ Kf8 49. Rd7 Be7 50. Nb8 Bf6 51. Nc6 Bg5 52. Na7 f5 53. Nc8 fxe4 54. fxe4 Nf6 55. Rxd6 Nxe4 56. Rxg6 Nd2 57. Nd6 1-0

[Event "Ruhrgebiet Regionalliga 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.12.16"]
[Round "5.2"]
[White "Villwock, Martin"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2152"]
[BlackElo "2171"]
[PlyCount "109"]
[EventDate "2018.09.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Essen Katernberg II"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Qe2 e5 3. f4 d6 4. Nf3 Nc6 5. Qf2 Nf6 6. Nc3 Ng4 7. Qg3 Nd4 8. Nxd4 exd4 9. Nd1 Be7 10. Qd3 c5 11. Be2 0-0 12. c3 Bf6 13. h3 Nh6 14. 0-0 Qb6 15. c4 Be7 16. g4 f6 17. Qg3 Nf7 18. d3 Bd7 19. Nf2 Kh8 20. h4 g6 21. b3 f5 22. h5 fxe4 23. hxg6 e3 24. Qh3 exf2+ 25. Rxf2 h6 26. gxf7 Rxf7 27. f5 Rh7 28. f6 Bf8 29. Qg3 Re8 30. Bd2 Qd8 31. Raf1 Bc6 32. Bf3 Qd7 33. Rh2 Bxf3 34. Qxf3 Qf7 35. Qf5 Re5 36. Qf3 Re8 37. Re2 Rxe2 38. Qxe2 Qd7 39. Qf3 Kg8 40. Re1 Rf7 41. Re2 Bg7 42. g5 hxg5 43. Bxg5 Bf8 44. Rg2 Kh8 45. Qg3 Rh7 46. Bf4 Qe6 47. Bg5 Rh3 48. Rh2 Rxh2 49. Kxh2 Kg8 50. Bh6+ Kf7 51. Bxf8 Qe2+ 52. Kh3 Qh5+ 53. Qh4 Qf3+ 54. Qg3 Qh5+ 55. Qh4 1/2-1/2

[Event "BL2-West 1819"]
[Site "Germany"]
[Date "2018.11.11"]
[Round "2.6"]
[White "Goebel, Constantin"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2214"]
[BlackElo "2221"]
[PlyCount "81"]
[EventDate "2018.11.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Mainz Schott"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. Bd2 Nxd2 8. Qxd2 f6 9. a3 Ba5 10. b4 Bb6 11. Bb5 Bd7 12. 0-0 0-0 13. Rae1 f5 14. Nxd5 exd5 15. e6 Bxe6 16. Rxe6 Ne7 17. Rfe1 Ng6 18. Be8 Nh4 19. Ng5 h6 20. Nf7 Rxf7 21. Bxf7+ Kxf7 22. Re7+ Qxe7 23. Rxe7+ Kxe7 24. Qe2+ Kf8 25. Qh5 Re8 26. Kf1 Bxd4 27. Qxh4 Bf6 28. Qf4 Re5 29. Qf3 Ke7 30. Qc3 Kd7 31. Qc5 b6 32. Qb5+ Kc8 33. Qc6 Kb8 34. a4 Re4 35. a5 bxa5 36. bxa5 Kc8 37. a6 d4 38. Qb7+ Kd7 39. Qxa7 Re6 40. Qb7 Rb6 41. Qxb6 1-0

[Event "Ruhrgebiet Regionalliga 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.10.28"]
[Round "3.2"]
[White "Schlehoefer, Ralf"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2195"]
[BlackElo "2171"]
[PlyCount "54"]
[EventDate "2018.09.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wattenscheid SV II"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 Bb4+ 3. Nd2 f5 4. a3 Be7 5. e4 fxe4 6. Nxe4 Nf6 7. Nc3 0-0 8. Nf3 b6 9. Bd3 Bb7 10. 0-0 a6 11. Bg5 Ng4 12. Bxe7 Qxe7 13. d5 e5 14. h3 Nf6 15. Re1 d6 16. Nd4 Qf7 17. Ne6 Re8 18. f4 exf4 19. Ne4 Rxe6 20. dxe6 Qxe6 21. Nxf6+ Qxf6 22. Re8+ Kf7 23. Qh5+ g6 24. Qxh7+ Kxe8 25. Re1+ Kf8 26. Qh6+ Kf7 27. Qh7+ Kf8 1/2-1/2

[Event "BL2-West 1819"]
[Site "Germany"]
[Date "2018.10.21"]
[Round "1.7"]
[White "Wittenberg, Andreas"]
[Black "Klein, Felix"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2221"]
[BlackElo "2329"]
[PlyCount "82"]
[EventDate "2018.11.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Aachen SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 e6 3. c4 dxc4 4. e3 c5 5. Bxc4 Nf6 6. 0-0 a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Ne5 Ke7 10. Rd1 Nbd7 11. Nd3 Bd6 12. a4 b6 13. b3 Bb7 14. Ba3 Ne4 15. f3 Bxa3 16. Nxa3 Nd6 17. e4 Rac8 18. Rd2 Rhd8 19. Rad1 g5 20. Nb4 Nc5 21. e5 Nxc4 22. bxc4 Rxd2 23. Rxd2 Nxa4 24. Kf2 Rd8 25. Rxd8 Kxd8 26. Ke3 Kd7 27. Kd4 Nc5 28. Nbc2 g4 29. fxg4 Bxg2 30. Ne3 Be4 31. g5 Kc6 32. Ng4 b5 33. cxb5+ axb5 34. Nf6 Bf5 35. Ne8 Na4 36. Nd6 b4 37. Nac4 b3 38. Na5+ Kd7 39. Nxb3 Bg6 40. Nc5+ Nxc5 41. Kxc5 Ke7 1/2-1/2

[Event "Ruhrgebiet Regionalliga 1819"]
[Site "Nordrheinwestfalen"]
[Date "2018.09.30"]
[Round "2.2"]
[White "Wittenberg, Andreas"]
[Black "Sohlmann, Jan Henning"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2171"]
[BlackElo "2185"]
[PlyCount "109"]
[EventDate "2018.09.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord III"]
[BlackTeam "Welper SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. b3 c5 6. Bb2 cxd4 7. Nxd4 d5 8. c4 dxc4 9. bxc4 0-0 10. 0-0 Nbd7 11. Nd2 Nc5 12. Qc2 Bd7 13. N2b3 Ba4 14. Rfd1 Qb6 15. Rab1 e5 16. Nb5 Nxb3 17. Rd6 Nc5 18. Qc1 Nd3 19. exd3 Qc5 20. d4 exd4 21. Bxd4 Qf5 22. Rb4 Ng4 23. Rd5 Qc2 24. Qxc2 Bxc2 25. Bxg7 Kxg7 26. Nc7 Rab8 27. Rd7 Bf5 28. Re7 b6 29. h3 Nf6 30. g4 Bc8 31. c5 Ng8 32. Re8 Bd7 33. Rxb8 Rxb8 34. c6 Bxc6 35. Bxc6 Rc8 36. Ne8+ Kf8 37. Ba4 Rxe8 38. Bxe8 Kxe8 39. Ra4 a5 40. Rd4 Ke7 41. g5 Ke6 42. Re4+ Kd6 43. Rf4 Ke6 44. Rf3 b5 45. Kf1 b4 46. Ke2 f5 47. Re3+ Kd6 48. Kd3 Ne7 49. Kc4 Nc6 50. f4 a4 51. Rd3+ Ke6 52. Kb5 Ne7 53. Re3+ Kd6 54. Rxe7 Kxe7 55. Kxa4 1-0

[Event "Oberliga NRW 1718"]
[Site "Germany"]
[Date "2018.04.29"]
[Round "9.8"]
[White "Nent, Alexander"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2062"]
[BlackElo "2171"]
[PlyCount "37"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Dinslaken"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 d5 6. Ne5 Nbd7 7. d4 Bd6 8. Nxd7 Qxd7 9. Nc3 c6 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 0-0 13. c5 Be7 14. Be3 Ba6 15. Re1 Rfd8 16. Rc1 b5 17. b4 Bb7 18. Qc2 g6 19. Qb2 1/2-1/2

[Event "Oberliga NRW 1718"]
[Site "Germany"]
[Date "2018.04.08"]
[Round "8.8"]
[White "Wittenberg, Andreas"]
[Black "Cuijpers, Frans Andre"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2174"]
[BlackElo "2393"]
[PlyCount "47"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Muenster"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 Be7 7. b3 0-0 8. 0-0 b6 9. Bb2 Bb7 10. Qe2 Rc8 11. Rac1 h6 12. e4 dxe4 13. Nxe4 c5 14. Ne5 cxd4 15. Bxd4 Bxe4 16. Bxe4 Nc5 17. Bxc5 Bxc5 18. Bb7 Rc7 19. Rcd1 Qb8 20. Bf3 Qc8 21. Rd2 Nd7 22. Rfd1 Nxe5 23. Qxe5 Be7 24. Be4 1/2-1/2

[Event "Ruhrgebiet Verbandsliga Gruppe 1 1718"]
[Site "Germany"]
[Date "2018.02.25"]
[Round "7.1"]
[White "Wittenberg, Andreas"]
[Black "Mohrholz, Uwe"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2174"]
[BlackElo "2000"]
[PlyCount "38"]
[EventDate "2017.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord IV"]
[BlackTeam "Bottrop SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. b3 Bd6 7. Bb2 Ne4 8. Nxe4 dxe4 9. Nd2 Nf6 10. g3 Bb4 11. Bg2 Qa5 12. a3 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 b6 15. b4 Bb7 16. a4 0-0 17. Ke2 Rfc8 18. f3 a5 19. bxa5 exf3+ 1/2-1/2

[Event "BL2-West 1617"]
[Site "Germany"]
[Date "2017.05.08"]
[Round "9.2"]
[White "Timman, Jan H"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2565"]
[BlackElo "2216"]
[PlyCount "47"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz"]
[BlackTeam "Muelheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc6 7. 0-0 Be7 8. d4 0-0 9. Nxd5 Qxd5 10. Be3 Qh5 11. dxc5 Bxc5 12. g4 Qxg4 13. Bxc5 Rd8 14. Qc2 e5 15. Qc3 Qh5 16. Kh1 Be6 17. Qe3 f6 18. Rfd1 Re8 19. b4 Ne7 20. Bxe7 Rxe7 21. Rd6 Qf7 22. a4 a6 23. Nd2 Kh8 24. Ne4 1-0

[Event "BL2-West 1617"]
[Site "Germany"]
[Date "2017.02.19"]
[Round "6.4"]
[White "Wittenberg, Andreas"]
[Black "Klyuner, Vyacheslav"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2212"]
[BlackElo "2439"]
[PlyCount "88"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Wuerselen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Qc2 b6 8. Rd1 Bb7 9. cxd5 exd5 10. Nc3 c6 11. Bf4 Rc8 12. Rac1 Re8 13. a3 Nf8 14. Bg5 Ne4 15. Bxe7 Qxe7 16. e3 Nd6 17. Ne5 f6 18. Nd3 Ne6 19. Ne2 Ng5 20. Nef4 Nc4 21. a4 Rcd8 22. b3 Na5 23. b4 Nc4 24. b5 Na5 25. Qa2 Ne4 26. Rc2 cxb5 27. axb5 g5 28. Ne2 Qd7 29. Rb1 Kg7 30. Nc3 Nxc3 31. Rxc3 Rc8 32. Ra3 Qd6 33. Rxa5 bxa5 34. Qxa5 Rc7 35. Nc5 Bc8 36. b6 axb6 37. Rxb6 Rc6 38. Qa7+ Re7 39. Qxe7+ Qxe7 40. Rxc6 Qd8 41. Bxd5 Qxd5 42. Rxc8 Qf3 43. Rb8 Qd1+ 44. Kg2 g4 1/2-1/2

[Event "Ruhrgebiet Regionalliga 1617"]
[Site "Germany"]
[Date "2017.02.05"]
[Round "6.2"]
[White "Dewenter, Ulf"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2122"]
[BlackElo "2184"]
[PlyCount "77"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Borbeck Weisse Dame"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bd3 Nb4 6. 0-0 Be7 7. Re1 0-0 8. exd5 Nxd3 9. Qxd3 exd5 10. Bg5 c6 11. a4 Be6 12. Ne5 Nh5 13. Bxe7 Qxe7 14. a5 Qd6 15. Qf3 Nf6 16. Ne2 Ne4 17. Ng3 f6 18. Nd3 Ng5 19. Qf4 Qxf4 20. Nxf4 Bd7 21. f3 Rae8 22. Kf2 Nf7 23. Rxe8 Rxe8 24. b4 Nd6 25. Re1 Rxe1 26. Kxe1 Kf7 27. c3 g5 28. Nd3 Kg6 29. Kd2 h5 30. Nf1 Nc4+ 31. Ke2 Bf5 32. Ne3 Nxe3 33. Kxe3 Bxd3 34. Kxd3 Kf5 35. Ke3 b5 36. g3 a6 37. h3 Kg6 38. g4 h4 39. Kd3 1/2-1/2

[Event "Ruhrgebiet Regionalliga 1617"]
[Site "Germany"]
[Date "2017.01.15"]
[Round "5.1"]
[White "Buchenthal, Dieter"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2081"]
[BlackElo "2184"]
[PlyCount "38"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wattenscheid SV II"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. e3 Nf6 3. Nc3 c6 4. Nf3 Qc7 5. Be2 Be7 6. 0-0 0-0 7. d4 d6 8. Qc2 Bg4 9. Nh4 Re8 10. f3 Be6 11. f4 Bg4 12. fxe5 dxe5 13. Nf5 Nbd7 14. Nxg7 Kxg7 15. Bxg4 Nxg4 16. Rxf7+ Kxf7 17. Qxh7+ Kf8 18. Qh8+ Kf7 19. Qh7+ Kf8 1/2-1/2

[Event "BL2-West 1617"]
[Site "Germany"]
[Date "2016.11.20"]
[Round "2.7"]
[White "Wittenberg, Andreas"]
[Black "Weber, Ulrich"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "2208"]
[BlackElo "2375"]
[PlyCount "69"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Hofheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 Nbd7 8. c4 a6 9. Nc3 Rb8 10. a4 b6 11. Qd2 Bb7 12. d5 b5 13. axb5 axb5 14. cxb5 Nxd5 15. Nxd5 Bxb2 16. Nxe7+ Qxe7 17. Qxb2 Bxf3 18. Bxf3 Rxb5 19. Ra7 Qf6 20. Qxf6 Nxf6 21. Ra6 Rd8 22. Rd1 Rxb3 23. Rdxd6 Rxd6 24. Rxd6 Kg7 25. Rc6 Rc3 26. Rc7 g5 27. h3 h5 28. e3 Rc2 29. Kf1 g4 30. hxg4 Nxg4 31. Be2 Rc1+ 32. Kg2 Rc2 33. Kf1 Rc1+ 34. Kg2 Rc2 35. Kf1 1/2-1/2

[Event "Ruhrgebiet Regionalliga 1617"]
[Site "Germany"]
[Date "2016.09.11"]
[Round "1.1"]
[White "Kartsev, Soel"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2163"]
[BlackElo "2184"]
[PlyCount "77"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Sodingen/Castrop SK"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Qe2 e5 3. Nc3 Nc6 4. d3 Bc5 5. Be3 Nd4 6. Qd2 Nf6 7. Nf3 Nxf3+ 8. gxf3 Bxe3 9. fxe3 d5 10. exd5 Nxd5 11. 0-0-0 Nf6 12. d4 exd4 13. exd4 0-0 14. Rg1 Bf5 15. Qg5 Bg6 16. f4 Nh5 17. f5 Qxg5+ 18. Rxg5 h6 19. fxg6 hxg5 20. Bc4 Rfd8 21. Ne4 Kf8 22. Nxg5 fxg6 23. Ne6+ Ke7 24. Re1 Kd7 25. Nxd8 Rxd8 26. Be6+ Ke7 27. Bd5+ Kf6 28. Re6+ Kf5 29. Re5+ Kf6 30. Bxb7 Rxd4 31. Ra5 Rh4 32. Rxa7 Rxh2 33. a4 Nf4 34. a5 g5 35. Ra8 Ne2+ 36. Kb1 Nd4 37. a6 Nb5 38. Bc6 Nd4 39. a7 1-0

[Event "BL2-West 1516"]
[Site "Germany"]
[Date "2016.04.24"]
[Round "2.5"]
[White "Van den Doel, Erik"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2557"]
[BlackElo "2205"]
[PlyCount "97"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz"]
[BlackTeam "Muelheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 a5 7. a4 Be7 8. Bb5 Na7 9. Bd3 c5 10. Nxc5 Nxc5 11. dxc5 Bxc5 12. 0-0 Nc6 13. c3 h6 14. Qe2 0-0 15. Bf4 Bd7 16. Bc2 f5 17. exf6 Qxf6 18. Bg3 Be8 19. Ne5 Nxe5 20. Bxe5 Qg5 21. Bg3 Rf6 22. Kh1 Bg6 23. h4 Qh5 24. Qxh5 Bxh5 25. f3 Bg6 26. Bxg6 Rxg6 27. Be5 h5 28. Kh2 Ra6 29. Rae1 Bd6 30. Kh3 Bxe5 31. Rxe5 Rh6 32. c4 dxc4 33. Rc1 Rb6 34. Rxc4 Rxb2 35. Rxa5 Rg6 36. g3 Rf6 37. Rc8+ Rf8 38. Rxf8+ Kxf8 39. Rxh5 Rb3 40. f4 Ra3 41. a5 Kf7 42. Rb5 Kf6 43. h5 Ra1 44. g4 Ra4 45. g5+ Kf7 46. Rxb7+ Kf8 47. Rb8+ Kf7 48. g6+ Ke7 49. h6 1-0

[Event "BL2-West 1516"]
[Site "Germany"]
[Date "2016.03.13"]
[Round "8.7"]
[White "Wittenberg, Andreas"]
[Black "Meyer, Kai Christian"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2205"]
[BlackElo "2178"]
[PlyCount "93"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Bd3 Bg7 6. Qc2 0-0 7. Nbd2 Nbd7 8. 0-0 Qc7 9. b3 dxc4 10. Nxc4 Nd5 11. a3 N5b6 12. Bb2 Nxc4 13. bxc4 e5 14. Rfd1 exd4 15. Bxd4 Bxd4 16. exd4 Rd8 17. Re1 Nf8 18. Rad1 Qf4 19. Re4 Qf6 20. h3 Bxh3 21. Qb3 b6 22. d5 cxd5 23. cxd5 Nd7 24. Qb4 a5 25. Qd2 Bf5 26. Rf4 Ne5 27. Bxf5 gxf5 28. Qc3 Re8 29. Nh4 Qg5 30. Rxf5 Qxh4 31. Rxe5 Qf4 32. Rde1 Rxe5 33. Rxe5 b5 34. Re3 f6 35. Qc6 Rd8 36. Qxb5 Qd4 37. Re8+ Rxe8 38. Qxe8+ Kg7 39. Qe7+ Kg8 40. Qd8+ Kf7 41. Qd7+ Kf8 42. Qd6+ Kf7 43. g3 h5 44. Qe6+ Kg6 45. d6 h4 46. gxh4 Kh5 47. Kg2 1-0

[Event "BL2-West 1516"]
[Site "Germany"]
[Date "2016.02.21"]
[Round "7.7"]
[White "Wittenberg, Andreas"]
[Black "Gupta, Milon"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2205"]
[BlackElo "2275"]
[PlyCount "56"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Solingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 a6 5. Qc2 Bg4 6. Ne5 Bh5 7. Bd3 Bg6 8. Nxg6 hxg6 9. Nd2 e6 10. Nf3 Nbd7 11. Bd2 Bd6 12. Qb3 dxc4 13. Qxc4 c5 14. a4 cxd4 15. Qxd4 Qe7 16. Qc4 Nd5 17. a5 Nb4 18. Bb1 Rh5 19. h3 Nc6 20. 0-0 Kf8 21. Bc3 Nde5 22. Nxe5 Nxe5 23. Qe2 Rc8 24. Ra4 Kg8 25. Rd1 Nc6 26. Be4 Rc5 27. Bxc6 R5xc6 28. Rad4 Qe8 1-0

[Event "Ruhrgebiet Regionalliga 1516"]
[Site "Germany"]
[Date "2016.02.07"]
[Round "6.1"]
[White "Fluechter, Gregor"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2197"]
[BlackElo "2151"]
[PlyCount "40"]
[EventDate "2015.09.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Brackel SF"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nge2 dxe4 5. Nxe4 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. c3 0-0 9. g3 b6 10. Bg2 Bb7 11. 0-0 g6 12. Nxf6+ Qxf6 13. Qa4 e5 14. dxe5 Qxe5 15. Nd4 Na5 16. Rfe1 Qf6 17. Bxb7 Nxb7 18. Qc6 Qxc6 19. Nxc6 Nd8 20. Nxd8 Rfxd8 1/2-1/2

[Event "BL2-West 1516"]
[Site "Germany"]
[Date "2016.01.31"]
[Round "6.7"]
[White "Braga, Fernando Alberto"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2412"]
[BlackElo "2205"]
[PlyCount "84"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Aachen DJK"]
[BlackTeam "Muelheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 e6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 Nf6 6. Nc3 Be7 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nf6 10. d4 cxd4 11. Nxd4 0-0 12. Be3 Bb4 13. Ndb5 Bxc3 14. Nxc3 Qxd1 15. Raxd1 e5 16. f4 Nc6 17. Nd5 Ne8 18. Rc1 Kh8 19. Red1 f6 20. b4 Rf7 21. b5 Nd8 22. Bh3 Bxd5 23. Rxd5 Nc7 24. Rd2 Nxb5 25. fxe5 fxe5 26. Rd5 Nd4 27. Bxd4 exd4 28. e5 Re7 29. Rc8 Rxc8 30. Bxc8 Nc6 31. e6 Kg8 32. Bd7 Nd8 33. Rd6 Nb7 34. Rxd4 Nc5 35. Rd6 g6 36. g4 g5 37. h3 Kg7 38. Rd5 h6 39. Bc8 Nxe6 40. Bxe6 Rxe6 41. Rd7+ Kf6 42. Rxa7 Re2 1/2-1/2

[Event "Ruhrgebiet Regionalliga 1516"]
[Site "Germany"]
[Date "2016.01.17"]
[Round "5.2"]
[White "Torres Kuckel, Rafael"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2125"]
[BlackElo "2151"]
[PlyCount "44"]
[EventDate "2015.09.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Ahlen SV"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. c4 d5 3. exd5 exd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. d4 Bb4 7. Bd2 0-0 8. Nf3 c5 9. Be2 Nc6 10. dxc5 Nxc3 11. Bxc3 Bxc3+ 12. bxc3 Qa5 13. 0-0 Qxc5 14. Qb3 b6 15. Rfd1 Be6 16. Qb5 Qxb5 17. Bxb5 Na5 18. Nd4 Bd5 19. Nf5 Be6 20. Nd4 Bg4 21. f3 Bh5 22. Nb3 Rfc8 1/2-1/2

[Event "Ruhrgebiet Regionalliga 1516"]
[Site "Germany"]
[Date "2015.12.06"]
[Round "4.2"]
[White "Wittenberg, Andreas"]
[Black "Frohne, Gerd"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2151"]
[BlackElo "2109"]
[PlyCount "149"]
[EventDate "2015.09.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord III"]
[BlackTeam "Gladbeck SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 d5 3. c4 c6 4. e3 Nf6 5. Nbd2 Nbd7 6. b3 Bd6 7. Bb2 0-0 8. Bd3 Qe7 9. Ne5 c5 10. 0-0 cxd4 11. exd4 Ba3 12. Bxa3 Qxa3 13. f4 a5 14. Qc1 Qxc1 15. Raxc1 Nb8 16. f5 Na6 17. a3 exf5 18. Bxf5 Bxf5 19. Rxf5 Rac8 20. Nd3 Rfd8 21. c5 Nc7 22. Nf3 Re8 23. Re5 Ng4 24. Rxe8+ Rxe8 25. h3 Nh6 26. Kf2 Re4 27. c6 b6 28. g4 f6 29. Nb2 b5 30. Nd3 Re6 31. a4 bxa4 32. bxa4 Nf7 33. Rc5 Nd8 34. Rxa5 Nxc6 35. Rc5 Rd6 36. Ke3 Kf7 37. Rxc6 Rxc6 38. Nfe5+ fxe5 39. Nxe5+ Ke6 40. Nxc6 g5 41. Nb4 Kd6 42. Nd3 Kc6 43. Nc5 Kb6 44. Kd3 Ka5 45. Kc3 Ne8 46. Kb3 Nf6 47. Ka3 Ng8 48. Nb3+ Kb6 49. Kb4 Nf6 50. Nc5 h6 51. a5+ Kc6 52. Nd3 Ne4 53. Ne5+ Kb7 54. Kb5 Nf2 55. a6+ Ka7 56. Nc6+ Ka8 57. Ne7 Nxh3 58. Nxd5 Ka7 59. Nf6 Nf4 60. d5 h5 61. gxh5 g4 62. Nxg4 Nxh5 63. Ne5 Nf6 64. Nc6+ Ka8 65. Ne7 Ne4 66. Nc8 Kb8 67. Kb6 Nf6 68. Ne7 Nd7+ 69. Kb5 Ka7 70. d6 Nf8 71. Nc6+ Ka8 72. Ne5 Ne6 73. d7 Nc7+ 74. Kc6 Ne6 75. Kb6 1-0

[Event "BL2-West 1516"]
[Site "Germany"]
[Date "2015.11.15"]
[Round "3.7"]
[White "Wittenberg, Andreas"]
[Black "Meessen, Rudolf"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2205"]
[BlackElo "2226"]
[PlyCount "84"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Aachen SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 d5 3. c4 c6 4. e3 Nd7 5. Nbd2 f5 6. Bd3 Nh6 7. b3 Bd6 8. Bb2 0-0 9. Qc2 Qe7 10. h3 Nf6 11. Ne5 Ne4 12. 0-0 Nf7 13. Nxf7 Rxf7 14. f4 g5 15. Bxe4 fxe4 16. fxg5 Qxg5 17. Rxf7 Kxf7 18. Nf1 Bd7 19. Qe2 Rg8 20. Nh2 Ke7 21. Ng4 Be8 22. Rf1 Bh5 23. Qf2 Bxg4 24. hxg4 Kd7 25. Qf7+ Be7 26. Rf4 Rg7 27. Qh5 Qxh5 28. gxh5 Bg5 29. Rf8 Bxe3+ 30. Kf1 h6 31. Rb8 Kc7 32. Re8 Rf7+ 33. Ke2 Bg1 34. Bc1 Bxd4 35. Rxe6 Rf2+ 36. Ke1 Kd7 37. Rxh6 e3 38. Rh7+ Kd6 39. Bxe3 Bxe3 40. Rxb7 Rxg2 41. cxd5 cxd5 42. h6 d4 0-1

[Event "Ruhrgebiet Regionalliga 1516"]
[Site "Germany"]
[Date "2015.10.18"]
[Round "2.3"]
[White "Buchenthal, Dieter"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2073"]
[BlackElo "2151"]
[PlyCount "66"]
[EventDate "2015.09.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wattenscheid SV II"]
[BlackTeam "Muelheim Nord III"]
[WhiteTeamCountry "GE2"]
[BlackTeamCountry "GER"]

1. e3 d5 2. f4 Nf6 3. b3 d4 4. Bb5+ c6 5. Bd3 dxe3 6. dxe3 g6 7. Bb2 Bg7 8. Nd2 0-0 9. Ngf3 Nd5 10. Bxg7 Kxg7 11. Nf1 Qb6 12. Qc1 Rd8 13. a3 Nd7 14. e4 N5f6 15. b4 Ng4 16. Qd2 Ndf6 17. Qe2 Nh5 18. g3 a5 19. Rb1 axb4 20. h3 Ngf6 21. axb4 Ra4 22. Qf2 Qc7 23. Nh4 e5 24. f5 Rd4 25. Nd2 Rdxb4 26. Rxb4 Rxb4 27. 0-0 Qb6 28. Qxb6 Rxb6 29. Kf2 Rb4 30. Kf3 b5 31. Ra1 c5 32. Ra8 Bd7 33. Nf1 c4 0-1

[Event "Oberliga NRW 1415"]
[Site "Germany"]
[Date "2015.04.26"]
[Round "9.4"]
[White "Wittenberg, Andreas"]
[Black "Plukkel, Sjoerd"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2167"]
[BlackElo "2298"]
[PlyCount "68"]
[EventDate "2014.09.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. d5 exd5 8. Nh4 Ne4 9. cxd5 Bxh4 10. Bxe4 Bf6 11. Nc3 d6 12. Qc2 h6 13. Be3 Nd7 14. Rfd1 Nc5 15. Bf3 a5 16. Rac1 Bc8 17. a3 Bd7 18. b4 axb4 19. axb4 Ra3 20. Bd4 Bxd4 21. Rxd4 Nb3 22. Qb2 Qa8 23. Nb1 Nxd4 24. Nxa3 Nxf3+ 25. exf3 Qxd5 26. Rxc7 Bh3 27. Qe2 Qb3 28. Nc2 Ra8 29. Ne1 Ra1 30. Re7 d5 31. Qe5 Rxe1+ 32. Qxe1 Qxf3 33. Re8+ Kh7 34. Qb1+ f5 0-1

[Event "Oberliga NRW 1415"]
[Site "Germany"]
[Date "2015.01.11"]
[Round "5.4"]
[White "Goossens, Etienne"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2177"]
[BlackElo "2167"]
[PlyCount "81"]
[EventDate "2014.09.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Wuerselen"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 Bb4+ 3. Nd2 f5 4. g3 Nf6 5. Bg2 0-0 6. Ngf3 d5 7. 0-0 c6 8. Qc2 Qe7 9. Ne5 Bd6 10. Ndf3 Ne4 11. Nd3 b6 12. Bf4 Bxf4 13. Nxf4 Bb7 14. Ne5 Nd7 15. Nxd7 Qxd7 16. e3 Rac8 17. Rfd1 Qe7 18. Qa4 Ra8 19. Rac1 Rfe8 20. Rc2 Qd7 21. cxd5 exd5 22. Rdc1 Qd6 23. Qb3 Kh8 24. Nd3 Nf6 25. a4 Nd7 26. a5 Rab8 27. a6 Ba8 28. Qc3 c5 29. dxc5 bxc5 30. Nxc5 Nxc5 31. Qxc5 Qxa6 32. Qd4 Bb7 33. Rc7 Rg8 34. Bh3 Bc8 35. Rxa7 Qb6 36. Rxc8 Qxd4 37. Rxg8+ Kxg8 38. exd4 g6 39. Bg2 Rxb2 40. Bxd5+ Kh8 41. Be6 1-0

[Event "Oberliga NRW 1415"]
[Site "Germany"]
[Date "2014.12.14"]
[Round "4.3"]
[White "Wacker, Peter"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2281"]
[BlackElo "2167"]
[PlyCount "68"]
[EventDate "2014.09.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Koeln SF"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 e5 7. f4 exf4 8. exf4 Qf6 9. Nf3 Ne7 10. 0-0 0-0 11. Ng5 Bf5 12. g4 Bxd3 13. Qxd3 g6 14. Qh3 Qg7 15. f5 gxf5 16. gxf5 f6 17. Kh1 fxg5 18. Bxg5 Kh8 19. Bh6 Qf6 20. Bxf8 Qxf8 21. f6 Ng6 22. Rab1 b6 23. Rbe1 Na6 24. Qd7 Rd8 25. Qxa7 Nb8 26. Qxb6 Nd7 27. Qc7 Nxf6 28. Re6 Rd7 29. Qxd7 Qa8+ 30. Kg1 Nxd7 31. Rxd6 Qe8 32. Kg2 Qe4+ 33. Kg3 Qh4+ 34. Kg2 Qg4+ 0-1

[Event "Oberliga NRW 1415"]
[Site "Germany"]
[Date "2014.11.16"]
[Round "3.4"]
[White "Gallinnis, Norbert"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2222"]
[BlackElo "2167"]
[PlyCount "191"]
[EventDate "2014.09.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz II"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. a3 Be7 7. Bd3 Nxc3 8. bxc3 Na5 9. 0-0 c5 10. Be3 c4 11. Be2 Bd7 12. a4 Qc7 13. Nd2 0-0-0 14. f4 Rhg8 15. Rf2 Kb8 16. g4 g6 17. Nf1 h5 18. gxh5 gxh5+ 19. Rg2 Rxg2+ 20. Kxg2 Rg8+ 21. Kh1 h4 22. Bf3 Bc6 23. Bf2 Qd7 24. Ne3 b6 25. Qe1 Bxa4 26. Bxh4 Bc6 27. Bg3 Nb7 28. f5 a5 29. f6 Bf8 30. h4 a4 31. h5 b5 32. Bf4 Rh8 33. Kg2 Ka7 34. Kf2 Qe8 35. Ke2 Kb6 36. Kd2 Na5 37. Kc1 Bh6 38. Bxh6 Rxh6 39. Qg3 Rh7 40. Kb2 Qf8 41. Qe1 Qh6 42. Qd2 Bd7 43. Rg1 Qf8 44. Ng2 Nc6 45. Nf4 Ka5 46. Ne2 Kb6 47. Nc1 Kc7 48. Na2 Kd8 49. Rg3 Be8 50. Qg2 b4 51. cxb4 Nxb4 52. Qd2 Nc6 53. Bd1 Bd7 54. Ra3 Qh6 55. Qf2 Na5 56. Nc3 Qf8 57. Na2 Qh6 58. Kb1 Kc7 59. Qe1 Nc6 60. Rg3 Rh8 61. Qf2 Rb8+ 62. Ka1 Na5 63. Qe3 Qh7 64. Qa3 Nc6 65. Qd6+ Kc8 66. Rg7 Qe4 67. Rg8+ Nd8 68. Rxd8+ Kxd8 69. Qxb8+ Bc8 70. Qd6+ Bd7 71. Qb6+ Kc8 72. Qc5+ Kb7 73. Nc3 Qe3 74. Qb4+ Kc8 75. Ne2 Kc7 76. Qc3 Qg5 77. Qa5+ Kc8 78. Qc5+ Kb7 79. Qe7 Kc7 80. Qc5+ Kb7 81. Kb2 Qxh5 82. Nc3 Qh4 83. Nb5 Bxb5 84. Qxb5+ Kc7 85. Qa5+ Kb7 86. c3 Qh7 87. Bc2 Qg8 88. Qxa4 Kb6 89. Qb4+ Ka6 90. Ba4 Qg2+ 91. Ka3 Qg1 92. Bb5+ Ka7 93. Qa5+ Kb8 94. Qb6+ Kc8 95. Ba6+ Kd7 96. Qd6+ 1-0

[Event "Oberliga NRW 1415"]
[Site "Germany"]
[Date "2014.10.05"]
[Round "2.4"]
[White "Wittenberg, Andreas"]
[Black "Bouaraba, Max"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2167"]
[BlackElo "2192"]
[PlyCount "80"]
[EventDate "2014.09.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Plettenberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 c6 5. b3 Ne4 6. Bg2 Bb4+ 7. Nbd2 dxc4 8. bxc4 Bc3 9. Rb1 Nxd2 10. Bxd2 Bxd4 11. Bb4 Bf6 12. Qc2 Nd7 13. 0-0 c5 14. Bd2 0-0 15. Rfd1 Qc7 16. Qa4 Nb6 17. Qb3 Bd7 18. Ba5 Bc6 19. Qe3 Qe7 20. Bxb6 axb6 21. Rxb6 Rxa2 22. Rdb1 Qd6 23. Ne1 Bd8 24. R6b3 Bxg2 25. Kxg2 b6 26. Nf3 Qc6 27. Kg1 Bc7 28. Rb5 Rd8 29. Ne5 Qd6 30. Nf3 Rda8 31. Qe4 f5 32. Qe3 e5 33. R5b2 Rxb2 34. Rxb2 Qd1+ 35. Kg2 Ra1 36. Nd2 Qh1+ 37. Kh3 Qc6 38. Qc3 Rg1 39. Qe3 Qg2+ 40. Kh4 Bd8+ 0-1

[Event "Oberliga NRW 1415"]
[Site "Germany"]
[Date "2014.09.14"]
[Round "1.5"]
[White "Wittenberg, Andreas"]
[Black "Thiel, Thomas"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2167"]
[BlackElo "2296"]
[PlyCount "57"]
[EventDate "2014.09.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Wattenscheid"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. e3 Qb6 5. c4 b4 6. Bd3 g6 7. e4 d6 8. h3 Bg7 9. Be3 0-0 10. Qc1 Re8 11. Nbd2 e6 12. 0-0 Ba6 13. Qc2 exd5 14. exd5 Nbd7 15. a3 b3 16. Nxb3 Rab8 17. Nc1 Qxb2 18. Ra2 Qb6 19. Bd2 Qc7 20. Nb3 Nxd5 21. cxd5 Bxd3 22. Qxd3 c4 23. Rc2 Qb7 24. Rxc4 Qxb3 25. Qxb3 Rxb3 26. Rc7 Ne5 27. Nxe5 Bxe5 28. Rxa7 Rd3 29. Be3 1/2-1/2

[Event "Oberliga NRW 1314"]
[Site "Germany"]
[Date "2014.04.27"]
[Round "9.4"]
[White "Wittenberg, Andreas"]
[Black "Hubert, Ralf"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2149"]
[BlackElo "2242"]
[PlyCount "29"]
[EventDate "2013.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Solingen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c6 7. Bb2 a5 8. a4 Na6 9. Nbd2 d5 10. Ne5 Bf5 11. Ndf3 Be4 12. Bh3 Bf5 13. Bg2 Be4 14. Bh3 Bf5 15. Bg2 1/2-1/2

[Event "Oberliga NRW 1314"]
[Site "Germany"]
[Date "2014.04.06"]
[Round "8.2"]
[White "Van der Weide, Karel"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2397"]
[BlackElo "2149"]
[PlyCount "147"]
[EventDate "2013.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muenster"]
[BlackTeam "Muelheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. Bb5 Qd7 6. Nf3 b6 7. 0-0 Bb7 8. Re1 0-0-0 9. a3 Qf7 10. b4 h6 11. exf6 Qxf6 12. Bb2 Nge7 13. Qe2 Rd6 14. Rad1 g5 15. Ba6 Ng6 16. Bxb7+ Kxb7 17. Nb5 Nf4 18. Nxd6+ cxd6 19. Qe3 h5 20. g3 Nh3+ 21. Kg2 g4 22. Ng1 Ng5 23. Bc1 Ne4 24. f3 gxf3+ 25. Qxf3 Qg6 26. Rf1 Nd8 27. Ne2 Bg7 28. Rde1 Bh6 29. Bxh6 Qxh6 30. Qf4 Qg6 31. h4 Rg8 32. Rf3 Rg7 33. Ref1 Rc7 34. c3 Nf7 35. Qc1 Qh7 36. Nf4 Qh6 37. Qe1 Nd8 38. Re3 Qh7 39. b5 Kb8 40. Rff3 Kb7 41. Re2 Rc4 42. Nh3 Qc7 43. Rxe4 dxe4 44. Qxe4+ d5 45. Qe3 Qh7 46. Qg5 Rc8 47. Nf2 Kc7 48. Nd3 Nb7 49. Qe5+ Kd7 50. Nf4 Qc2+ 51. Kg1 Qd1+ 52. Kg2 Qc2+ 53. Kh3 Qe4 54. Qxe4 dxe4 55. Re3 Nd6 56. Nxh5 Nf5 57. Rxe4 Rxc3 58. d5 exd5 59. Re5 Ne3 60. Nf4 d4 61. Ne2 Rc5 62. Re4 Nc2 63. Nxd4 Rc4 64. h5 Rxd4 65. Rxd4+ Nxd4 66. h6 Ne6 67. Kg4 Nf8 68. Kf5 Ke7 69. Ke5 Ng6+ 70. Kd5 Kd7 71. h7 Nh8 72. Ke5 Ke7 73. Kd5 Kd7 74. Ke5 1/2-1/2

[Event "Oberliga NRW 1314"]
[Site "Germany"]
[Date "2014.03.09"]
[Round "7.2"]
[White "Wittenberg, Andreas"]
[Black "Sielecki, Christof"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2149"]
[BlackElo "2385"]
[PlyCount "66"]
[EventDate "2013.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Dinslaken"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 c5 3. c4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. g3 Qc7 7. Qa4 Bc5 8. Nf3 0-0 9. Bg2 Be7 10. Nb5 Qc6 11. 0-0 d6 12. Be3 Bd7 13. Rfd1 Qc8 14. Qa3 Ne8 15. Rac1 Nc6 16. Nbd4 h6 17. Nxc6 Bxc6 18. Bf4 Qc7 19. Qb3 e5 20. Be3 Nf6 21. Bb6 Qb8 22. Nh4 g6 23. Qd3 e4 24. Qe3 Nd7 25. Bd4 Bg5 26. Qc3 Bxc1 27. Qxc1 Kh7 28. Bh3 Nc5 29. Nf5 g5 30. Ne7 Bd7 31. Bxc5 Bxh3 32. Rxd6 Rd8 33. Rf6 Kg7 0-1

[Event "Oberliga NRW 1314"]
[Site "Germany"]
[Date "2014.02.02"]
[Round "6.3"]
[White "Wittenberg, Andreas"]
[Black "Malykin, Vitaly"]
[Result "1/2-1/2"]
[ECO "A93"]
[WhiteElo "2149"]
[BlackElo "2321"]
[PlyCount "56"]
[EventDate "2013.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Koeln Porz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. 0-0 Be7 6. c4 0-0 7. b3 Nc6 8. Bb2 Ne4 9. Ne5 Nxe5 10. dxe5 Bc5 11. Bd4 Bxd4 12. Qxd4 c5 13. Qd3 Qc7 14. f4 Rd8 15. Rd1 b6 16. Nc3 Bb7 17. e3 dxc4 18. Qxc4 Nxc3 19. Qxc3 Bxg2 20. Kxg2 Qc6+ 21. Kf2 Rd5 22. Rd3 Rad8 23. Rad1 Kf7 24. a4 a6 25. Rxd5 Rxd5 26. Rxd5 Qxd5 27. Qc4 Qd2+ 28. Kf3 Qd5+ 1/2-1/2

[Event "Oberliga NRW 1314"]
[Site "Germany"]
[Date "2013.10.06"]
[Round "2.4"]
[White "Wittenberg, Andreas"]
[Black "Jens, Jelmer"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2149"]
[BlackElo "2376"]
[PlyCount "43"]
[EventDate "2013.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Erkenschwick"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Ne5 Nc6 10. Nxc6 bxc6 11. Bxc6 Bh3 12. Bg2 Bxg2 13. Kxg2 Ne4 14. dxc5 Qa5 15. Qc2 Nxc3 16. Bb2 Rfc8 17. Nb1 Rxc5 18. Nxc3 Bxc3 19. Bxc3 Rxc3 20. Qe4 Re8 21. a4 Qc5 22. Rfd1 1/2-1/2

[Event "Oberliga NRW 1314"]
[Site "Germany"]
[Date "2013.09.15"]
[Round "1.5"]
[White "Wittenberg, Andreas"]
[Black "Wisskirchen, Andreas"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2149"]
[BlackElo "2185"]
[PlyCount "63"]
[EventDate "2013.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muelheim II"]
[BlackTeam "Koeln SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c6 7. Bb2 Qc7 8. Nbd2 Nbd7 9. e4 Re8 10. Re1 e5 11. Nc4 Bf8 12. Ba3 b5 13. dxe5 bxc4 14. exf6 Nxf6 15. Qd4 Nh5 16. Rad1 cxb3 17. axb3 c5 18. Qd3 Bb7 19. Bb2 Bg7 20. Bxg7 Nxg7 21. Qxd6 Qxd6 22. Rxd6 Bxe4 23. Ne5 Bxg2 24. Kxg2 Re6 25. Rxe6 Nxe6 26. Re3 a5 27. Rc3 a4 28. bxa4 Rxa4 29. Nd7 Ra7 30. Nxc5 Rc7 31. Ne4 Rxc3 32. Nxc3 1/2-1/2

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2013.04.28"]
[Round "9.6"]
[White "Wittenberg, Andreas"]
[Black "Pauly, Carlo"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2107"]
[BlackElo "2093"]
[PlyCount "81"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Koeln Porz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e5 5. Nc2 Nc6 6. Nc3 d6 7. g3 Be7 8. Bg2 a6 9. 0-0 Bd7 10. b3 0-0 11. Ba3 Qb8 12. Qd3 b5 13. Rfd1 bxc4 14. Qxc4 Qb6 15. Ne3 Rac8 16. Ncd5 Nxd5 17. Nxd5 Qa7 18. Qd3 Bd8 19. Bxd6 Re8 20. Rac1 Nd4 21. Rxc8 Bxc8 22. e3 Bf5 23. Be4 Bxe4 24. Qxe4 f5 25. Qd3 Nf3+ 26. Kg2 Qf7 27. e4 fxe4 28. Qxe4 Ng5 29. Qe3 Qe6 30. h4 Qh3+ 31. Kg1 Qg4 32. Rd3 Ne4 33. Nc7 Bxc7 34. Bxc7 Nxf2 35. Qxf2 Rf8 36. Qd2 h6 37. Bxe5 g5 38. hxg5 hxg5 39. Rd8 Qf5 40. Rxf8+ Kxf8 41. Qf2 1-0

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2013.04.07"]
[Round "8.5"]
[White "Wittenberg, Andreas"]
[Black "Schiffer, Kai Uwe"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2107"]
[BlackElo "2232"]
[PlyCount "77"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Duisburg PSV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. g3 Bg7 5. Bg2 0-0 6. b3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bb2 e4 10. Nfd2 Bf5 11. Nc3 Re8 12. h3 h5 13. Nf1 g5 14. Ne3 Bg6 15. 0-0-0 Na6 16. a3 c6 17. Rd6 Nc5 18. b4 Ne6 19. Na4 Rad8 20. Rhd1 Rxd6 21. Rxd6 Re7 22. c5 Ne8 23. Bxg7 Kxg7 24. Rd2 f5 25. Nc4 h4 26. Nc3 Kf6 27. e3 Bf7 28. Bf1 Nf8 29. Rd8 Bxc4 30. Bxc4 hxg3 31. fxg3 Ng6 32. Bf1 Ng7 33. b5 Ne6 34. Rd6 Ne5 35. bxc6 bxc6 36. g4 Rd7 37. gxf5 Kxf5 38. Nxe4 Nxc5 39. Ng3# 1-0

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2013.03.10"]
[Round "7.5"]
[White "Wittenberg, Andreas"]
[Black "Linker, Walter"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2107"]
[BlackElo "2026"]
[PlyCount "65"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Dortmund Hansa II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. d5 d6 8. Nc3 e5 9. Ne1 a5 10. Nd3 Nfd7 11. f4 f6 12. e4 Na6 13. Be3 Rb8 14. Qh5 Nb4 15. Nxb4 axb4 16. Nb5 Nc5 17. Bxc5 bxc5 18. Bh3 g6 19. Qe2 c6 20. Na7 Qb6 21. Nxc6 Bxc6 22. dxc6 Qxc6 23. Be6+ Kg7 24. Qc2 Qb6 25. Rf3 Ra8 26. a4 bxa3 27. Rb3 Qc7 28. Bd5 Rab8 29. Rbxa3 Kh8 30. Ra7 Qd8 31. Qa4 Rxb2 32. Rd7 Qe8 33. Qa7 1-0

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2013.02.17"]
[Round "6.5"]
[White "Franke, Johannes"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2309"]
[BlackElo "2107"]
[PlyCount "69"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Bochum Wattenscheid II"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Be7 7. g3 b6 8. Bg2 Nc6 9. 0-0 Bb7 10. c4 Nb4 11. Ne1 Nb8 12. a3 N4a6 13. Nc2 0-0 14. Ne3 Nc7 15. Qg4 f5 16. exf6 Bxf6 17. Qe2 Nc6 18. Nf3 Nd4 19. Nxd4 Bxd4 20. Kh1 Qd6 21. Ng4 Rae8 22. Be3 e5 23. fxe5 Bxe5 24. Rxf8+ Qxf8 25. Rf1 Qe7 26. Qf2 Bd6 27. Bf4 Bxf4 28. Qxf4 Ne6 29. Qe5 dxc4 30. dxc4 Bxg2+ 31. Kxg2 Nd4 32. Qd5+ Qe6 33. Ne3 Qxd5+ 34. Nxd5 Re4 35. Nc3 1/2-1/2

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2013.01.20"]
[Round "5.7"]
[White "Wittenberg, Andreas"]
[Black "Valkyser, Martin"]
[Result "1/2-1/2"]
[ECO "A44"]
[WhiteElo "2107"]
[BlackElo "2180"]
[PlyCount "121"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Katernberg II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 e5 5. e4 Be7 6. h3 Nbd7 7. Be2 Nf8 8. Be3 Ng6 9. Qd2 a6 10. a4 b6 11. 0-0 0-0 12. Rfe1 Bd7 13. Rab1 b5 14. axb5 axb5 15. b4 c4 16. Ra1 Qc7 17. Nh2 Qb7 18. Ng4 Rfb8 19. Nxf6+ Bxf6 20. Bg4 Be8 21. Reb1 Ra6 22. Qc1 Rba8 23. g3 Bd8 24. Rxa6 Rxa6 25. Ra1 Ne7 26. Rxa6 Qxa6 27. f4 exf4 28. gxf4 Ng6 29. Bd4 Bb6 30. Qe3 Bxd4 31. Qxd4 Nxf4 32. e5 h5 33. Qxf4 hxg4 34. Kh2 Qa1 35. Qe3 dxe5 36. Qxe5 Bd7 37. hxg4 Bxg4 38. Qe3 Qa3 39. Qe8+ Kh7 40. Nxb5 Qh3+ 41. Kg1 Bf3 42. Kf2 Qg2+ 43. Ke1 Bxd5 44. Qe5 Bf3 45. Nd4 Be4 46. c3 Qg1+ 47. Kd2 Qf2+ 48. Ne2 Bd3 49. b5 g6 50. Qe3 Qh2 51. Ke1 Bxe2 52. Qxe2 Qg1+ 53. Qf1 Qe3+ 54. Kd1 Qxc3 55. Qxf7+ Kh6 56. Qf4+ Kg7 57. Qc7+ Kh6 58. Qh2+ Kg7 59. Qc7+ Kh6 60. Qh2+ Kg7 61. Qc7+ 1/2-1/2

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2012.12.16"]
[Round "4.6"]
[White "Wittenberg, Andreas"]
[Black "Krings, Christoph"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2107"]
[BlackElo "2121"]
[PlyCount "109"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Erkenschwick"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. b4 c6 8. Qb3 Qe8 9. Bb2 Qh5 10. Nbd2 Nbd7 11. Rfe1 d5 12. a4 Ne4 13. Rad1 Ndf6 14. Ne5 Nxd2 15. Rxd2 Ng4 16. h3 Nxe5 17. dxe5 f4 18. Rd3 Kh8 19. Kh2 Bd7 20. Rf3 fxg3+ 21. fxg3 Be8 22. cxd5 exd5 23. Rxf8+ Bxf8 24. e4 d4 25. Bxd4 Rd8 26. Rf1 Bg6 27. e6 Qg5 28. Qc3 Kg8 29. Bxa7 Qd2 30. Qc4 Be7 31. Bc5 Re8 32. a5 h6 33. Rf2 Qg5 34. h4 Qe5 35. Bxe7 Rxe7 36. a6 bxa6 37. Qxc6 Rxe6 38. Qa8+ Kh7 39. Rf4 Qd6 40. Rf8 Bh5 41. Rd8 Qxb4 42. Rh8+ Kg6 43. Qd5 Bg4 44. h5+ Kf7 45. Rc8 Qb5 46. Rc5 Qb6 47. Rc2 Qe3 48. Rc7+ Kg8 49. Rc6 Kf7 50. Qd7+ Kf6 51. Rc7 Kg5 52. Qd5+ Kf6 53. Qd7 Kg5 54. Qxg7+ Kxh5 55. Rd7 1-0

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2012.11.18"]
[Round "3.6"]
[White "Dischinger, Frank"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2117"]
[BlackElo "2107"]
[PlyCount "97"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Aachen"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Nc3 d5 3. Nf3 d4 4. Ne2 c5 5. Ng3 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Ne5 Bd6 9. Nxc6 bxc6 10. d3 Qh4 11. Qh5 Qxh5 12. Nxh5 g6 13. Ng3 Bxg3 14. hxg3 h5 15. b3 Nf6 16. a4 Kd7 17. Ba3 Kd6 18. c3 dxc3 19. Rc1 e5 20. Rxc3 Nd7 21. Kd2 Rab8 22. Rhc1 Rhc8 23. Kc2 Rb6 24. Rd1 Ke6 25. Bxc5 Nxc5 26. Rxc5 Rcb8 27. Rb1 Kd6 28. Ra5 R8b7 29. b4 Ke6 30. Kc3 Kd6 31. f4 f6 32. Rc5 Rh7 33. Rh1 Rhb7 34. Rb1 Rh7 35. Rc4 Rhb7 36. d4 exf4 37. gxf4 a5 38. g3 Rb8 39. Rb2 R8b7 40. d5 cxd5 41. exd5 axb4+ 42. Rcxb4 Rc7+ 43. Kd4 Rxb4+ 44. Rxb4 Rc1 45. Rb6+ Ke7 46. Re6+ Kf7 47. a5 Rg1 48. Rb6 Rxg3 49. Rb7+ 1-0

[Event "Oberliga NRW 1213"]
[Site "Germany"]
[Date "2012.09.16"]
[Round "1.5"]
[White "Wittenberg, Andreas"]
[Black "Balster, Stefan"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2107"]
[BlackElo "2259"]
[PlyCount "33"]
[EventDate "2012.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qc2 Bb7 9. 0-0 c5 10. dxc5 Bxc5 11. Bg5 Rc8 12. Qd2 0-0 13. Nc3 Nb6 14. Qxd8 Rfxd8 15. Rac1 h6 16. Bxf6 gxf6 17. Rfd1 1/2-1/2

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2012.04.29"]
[Round "9.6"]
[White "Wagenknecht, Uwe"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2215"]
[BlackElo "2112"]
[PlyCount "163"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Bielefeld"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 d5 2. Bb2 Nf6 3. Nf3 Bf5 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. d3 c5 8. Nh4 Nc6 9. Nxf5 exf5 10. e3 Qd6 11. c4 dxc4 12. dxc4 Rad8 13. Nc3 Qe6 14. Qb1 Rd7 15. Bh3 Ng4 16. Nd5 Nce5 17. f3 Nh6 18. e4 f6 19. Bc1 Nef7 20. exf5 Qc6 21. Qe4 Bd8 22. g4 Ng5 23. Bxg5 fxg5 24. Rad1 Rdf7 25. Bg2 Re8 26. Qd3 Bf6 27. Nxf6+ Qxf6 28. Rfe1 Rfe7 29. Qd2 Nf7 30. Rxe7 Qxe7 31. f4 gxf4 32. Qxf4 Qe2 33. Qf3 Qc2 34. Qd3 Qxa2 35. Bxb7 Ng5 36. h4 Nf7 37. Qg3 Qc2 38. Re1 Rxe1+ 39. Qxe1 Kf8 40. Qe3 Qd1+ 41. Kf2 Qd6 42. Kg2 Ne5 43. Kh3 Nd3 44. g5 Nf4+ 45. Kg4 Nd3 46. Bd5 Ne5+ 47. Kh3 a6 48. Kg2 Ng4 49. Qg3 Ne5 50. h5 h6 51. gxh6 gxh6 52. Qg8+ Ke7 53. Qg7+ Kd8 54. f6 Nd7 55. Qxh6 Nxf6 56. Qg5 Kc7 57. h6 Kb6 58. Qg6 Qd8 59. Qg5 Qf8 60. Qg7 Qd8 61. h7 Nxh7 62. Qxh7 Qg5+ 63. Kf3 Qf6+ 64. Kg4 Qd4+ 65. Kg5 Qe3+ 66. Kf6 Qxb3 67. Qb7+ Ka5 68. Ke6 Qe3+ 69. Kd6 Qf4+ 70. Kxc5 Qf8+ 71. Kc6 Qf6+ 72. Kc7 Qe5+ 73. Kd8 Qh8+ 74. Ke7 Qh4+ 75. Ke6 Qg4+ 76. Ke5 Qg5+ 77. Ke4 Qg4+ 78. Kd3 Qd1+ 79. Kc3 Qc1+ 80. Kb3 Qb1+ 81. Ka3 Qb3+ 82. Qxb3 1/2-1/2

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2012.03.25"]
[Round "8.6"]
[White "Wittenberg, Andreas"]
[Black "Vogelmann, Peter"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "2112"]
[BlackElo "2175"]
[PlyCount "100"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Langenfeld"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 Qc7 8. c4 a6 9. Nc3 cxd4 10. Nxd4 Nc6 11. Rc1 Nxd4 12. Qxd4 Be6 13. Rfd1 Rfe8 14. Na4 Nh5 15. Qe4 Bxb2 16. Nxb2 Rab8 17. Nd3 Bf5 18. Qd4 Bxd3 19. Rxd3 Nf6 20. c5 Rbd8 21. Qf4 Qb8 22. cxd6 Rxd6 23. Rxd6 Qxd6 24. Bxb7 Qa3 25. Qd2 a5 26. Rc7 Kg7 27. Bc6 Rb8 28. Bf3 Rb5 29. Rc8 Rc5 30. Ra8 Qc1+ 31. Qxc1 Rxc1+ 32. Kg2 Rc5 33. Rb8 g5 34. b4 axb4 35. Rxb4 h5 36. h3 Rc2 37. a4 Ra2 38. e3 Kg6 39. Be4+ Nxe4 40. Rxe4 e5 41. Rb4 f6 42. Kf3 Kh6 43. Rb6 Kg6 44. Ra6 g4+ 45. hxg4 hxg4+ 46. Kg2 Kf5 47. a5 Ra4 48. Ra8 Ke4 49. a6 f5 50. a7 Ra1 1/2-1/2

[Event "BEL-chT 1112"]
[Site "Belgium"]
[Date "2012.03.18"]
[Round "10.5"]
[White "Wittenberg, Andreas"]
[Black "Claesen, Pieter"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2148"]
[BlackElo "2368"]
[PlyCount "61"]
[EventDate "2011.10.09"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Eynatten"]
[BlackTeam "Fontaine"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 e6 7. Bd3 Nbd7 8. 0-0 Be7 9. Bd2 0-0 10. Qxb6 axb6 11. a4 Rfd8 12. cxd5 exd5 13. h3 Bxf3 14. gxf3 Nf8 15. b3 Ng6 16. Rfd1 Nh4 17. f4 Re8 18. Bc1 Bb4 19. Ne2 Ne4 20. Ba3 Bxa3 21. Rxa3 f5 22. Kf1 Re6 23. Rda1 Nf3 24. Ng1 Nfd2+ 25. Ke2 Rg6 26. Bxe4 Nxe4 27. Kf1 Nd2+ 28. Ke2 Ne4 29. Kf1 Nd2+ 30. Ke2 Ne4 31. Kf1 1/2-1/2

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2012.03.04"]
[Round "7.6"]
[White "Wunsch, Axel"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2080"]
[BlackElo "2112"]
[PlyCount "71"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Elberfeld"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 e6 5. Nf3 Be7 6. Be2 0-0 7. 0-0 c5 8. Nh4 Nc6 9. Nxf5 exf5 10. Bf3 Qd7 11. Qe1 Rfe8 12. Qg3 g6 13. d3 Rad8 14. Nd2 Nb4 15. Rfc1 Qe6 16. Nf1 Bf8 17. a3 Nc6 18. Re1 Bg7 19. Rab1 Qd7 20. Nd2 Re6 21. h3 Rde8 22. Qf2 b5 23. g4 d4 24. e4 fxe4 25. Nxe4 Nxe4 26. Bxe4 a5 27. Re2 R6e7 28. Qf3 Nd8 29. Rbe1 Kh8 30. Bc1 Bh6 31. g5 Bg7 32. f5 Be5 33. f6 Re6 34. Bd5 Bd6 35. Bxe6 Nxe6 36. Rxe6 1-0

[Event "BEL-chT 1112"]
[Site "Belgium"]
[Date "2012.02.12"]
[Round "8.7"]
[White "Wittenberg, Andreas"]
[Black "Laurent, Bruno"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2148"]
[BlackElo "2372"]
[PlyCount "68"]
[EventDate "2011.10.09"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Eynatten"]
[BlackTeam "Charleroi CREC"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 cxd4 8. Nxd4 d5 9. c4 e5 10. Nb5 a6 11. N5c3 d4 12. Nd5 Nxd5 13. Bxd5 Nc6 14. e3 Nb4 15. Bf3 dxe3 16. Nc3 exf2+ 17. Kg2 Nd3 18. Ba3 Re8 19. Bd5 Bf5 20. Ne4 Qxd5 21. cxd5 Bxe4+ 22. Kh3 Rad8 23. d6 b5 24. Qd2 f5 25. Rxf2 g5 26. Re2 Bh6 27. Qc3 Bg7 28. Rf1 g4+ 29. Kh4 Re6 30. Rxe4 Rh6+ 31. Kg5 Rg6+ 32. Kh5 Rh6+ 33. Kg5 Rg6+ 34. Kh5 Rh6+ 1/2-1/2

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2012.02.05"]
[Round "6.5"]
[White "Balster, Stefan"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2252"]
[BlackElo "2112"]
[PlyCount "75"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 4. g3 Nc6 5. Bg2 e5 6. a3 Nge7 7. Rb1 0-0 8. 0-0 d6 9. b4 Rb8 10. d3 b6 11. e3 Qd7 12. b5 Nd8 13. d4 f5 14. dxe5 dxe5 15. Qxd7 Bxd7 16. Rd1 Be6 17. Nd5 Nxd5 18. cxd5 Bd7 19. e4 Nf7 20. Ng5 Nd6 21. a4 h6 22. Ne6 Bxe6 23. dxe6 Nxe4 24. Bb2 Rfe8 25. Rd7 Rxe6 26. Rxa7 Rd8 27. Re1 Rd2 28. Bxe4 fxe4 29. Bc3 Rc2 30. Re3 Bf6 31. Be1 Rc4 32. a5 bxa5 33. Bxa5 Rc1+ 34. Kg2 Rb1 35. b6 Re8 36. Rxe4 Bd8 37. Ra8 Kf7 38. b7 1/2-1/2

[Event "BEL-chT 1112"]
[Site "Belgium"]
[Date "2012.01.29"]
[Round "7.7"]
[White "Ismaili, Afrim"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2162"]
[BlackElo "2148"]
[PlyCount "41"]
[EventDate "2011.10.09"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Bruges"]
[BlackTeam "Eynatten"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 e6 2. e4 d5 3. Nc3 Nc6 4. e5 f6 5. Bb5 Bd7 6. Nf3 Bb4 7. 0-0 Bxc3 8. bxc3 Nge7 9. exf6 gxf6 10. Re1 0-0 11. Bh6 Rf7 12. Bd3 Kh8 13. Rb1 Na5 14. Nh4 Ng8 15. Qh5 Nxh6 16. Qxh6 Rg7 17. Ng6+ Kg8 18. Nf4 Qf8 19. Qh4 Qf7 20. Nh5 Rg5 21. Nxf6+ 1-0

[Event "BEL-chT 1112"]
[Site "Belgium"]
[Date "2012.01.15"]
[Round "6.8"]
[White "Ahn, Martin"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2290"]
[BlackElo "2148"]
[PlyCount "154"]
[EventDate "2011.10.09"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Eynatten"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. Bd2 Nxd2 8. Qxd2 Bd7 9. a3 Ba5 10. 0-0 f6 11. Rae1 0-0 12. Qe3 f5 13. b4 Bb6 14. Ne2 a5 15. c3 axb4 16. axb4 Na7 17. Ra1 Qe7 18. Ra2 Nb5 19. Rfa1 Rxa2 20. Rxa2 c6 21. Bxb5 cxb5 22. Qg5 Qxg5 23. Nxg5 h6 24. Nf3 g5 25. h4 g4 26. Nh2 Rc8 27. Ra3 Bd8 28. g3 Rc6 29. Ra8 Rc8 30. Rxc8 Bxc8 31. Nf4 Bd7 32. Kg2 Be7 33. f3 gxf3+ 34. Nxf3 Kf7 35. Kh3 Be8 36. Nh2 Bf8 37. g4 fxg4+ 38. Nxg4 Ke7 39. Nf6 Bf7 40. Kg4 Bg7 41. N6h5 Bf8 42. Nf6 Bg7 43. N4h5 Bh8 44. Kg3 Kd8 45. Kf4 Ke7 46. Kg4 Kd8 47. Nf4 Ke7 48. N6h5 Kd7 49. Nd3 b6 50. Nhf4 Bg7 51. Nf2 Ke7 52. Nd1 Be8 53. Ne3 Bd7 54. Nc2 Bf8 55. Na3 Be8 56. Nh5 Bg6 57. Nxb5 Bd3 58. Nd6 Be2+ 59. Kg3 Bxh5 60. Nc8+ Kd7 61. Nxb6+ Kc6 62. Na4 Be2 63. Nb2 h5 64. Kf2 Bb5 65. Nd1 Bh6 66. Ne3 Bd3 67. Kf3 Kb5 68. Ng2 Be4+ 69. Kg3 Bxg2 70. Kxg2 Bd2 71. Kf3 Bxc3 72. Kf4 Bd2+ 73. Kf3 Kxb4 74. Ke2 Kc3 75. Kd1 Bf4 76. Ke2 Kxd4 77. Kf3 Kxe5 0-1

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2012.01.08"]
[Round "5.6"]
[White "Langhanke, Guenther"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2021"]
[BlackElo "2112"]
[PlyCount "79"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Rheine Klein Berlin"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Nc3 d5 3. f4 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. g3 Be7 8. Bg2 h5 9. b3 h4 10. Bb2 h3 11. Bf1 Qd5 12. Bc4 Qe4+ 13. Be2 b6 14. 0-0 Bb7 15. Bb5+ Kf8 16. d4 Qe3+ 17. Kh1 Ng4 18. Qe2 Rd8 19. Rae1 Qxe2 20. Rxe2 Bf6 21. c3 a6 22. Bd3 c5 23. Be4 Bxe4 24. Rxe4 cxd4 25. Nxd4 Bxd4 26. cxd4 Rh5 27. Kg1 Rc8 28. Ba3+ Kg8 29. Rc1 Rxc1+ 30. Bxc1 Rd5 31. Bb2 g6 32. Re2 Rd8 33. Kf1 Rc8 34. Ke1 Kf8 35. Ba3+ Kg8 36. Kd2 Kg7 37. Bb2 Kf8 38. Ba3+ Kg7 39. Bb2 Kf8 40. Ba3+ 1/2-1/2

[Event "BEL-chT 1112"]
[Site "Belgium"]
[Date "2011.11.20"]
[Round "4.6"]
[White "Veltkamp, Gerben"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2207"]
[BlackElo "2148"]
[PlyCount "126"]
[EventDate "2011.10.09"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Borgerhout"]
[BlackTeam "Eynatten"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. b3 d5 2. Bb2 Bf5 3. Nf3 e6 4. d3 Nf6 5. g3 Be7 6. Bg2 c5 7. Nbd2 Nc6 8. Nh4 Bg6 9. Nxg6 hxg6 10. e4 d4 11. f4 e5 12. Nc4 Bd6 13. Qf3 b5 14. Nxd6+ Qxd6 15. a4 b4 16. Bc1 0-0-0 17. g4 Nd7 18. f5 gxf5 19. exf5 e4 20. Qf4 Qxf4 21. Bxf4 Nce5 22. Bxe4 Nxg4 23. Kd2 Nf2 24. Rhf1 Nxe4+ 25. dxe4 Nf6 26. Rae1 Rde8 27. Kd3 Kd7 28. Re2 Rh3+ 29. Bg3 Ng4 30. Kc4 Kc6 31. Kd3 Nxh2 32. Rxh2 Rxg3+ 33. Kd2 Rxe4 34. f6 g5 35. Rff2 Kd6 36. Rh8 Rf4 37. Re2 Rxf6 38. Rd8+ Kc7 39. Rd5 Kc6 40. Rd8 Re6 41. Rf2 f6 42. Rf5 Rc3 43. Rg8 Rd6 44. Rc8+ Kb6 45. Rb8+ Kc7 46. Rb5 Rc6 47. a5 a6 48. Rb6 Rxb6 49. axb6+ Kxb6 50. Rxf6+ Kb5 51. Rg6 a5 52. Rxg5 a4 53. bxa4+ Kxa4 54. Rg8 b3 55. cxb3+ Kxb3 56. Rb8+ Kc4 57. Rc8 Rh3 58. Ra8 Rh2+ 59. Kd1 Kb3 60. Rd8 Kc3 61. Ra8 d3 62. Ra3+ Kd4 63. Ra8 c4 0-1

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2011.10.09"]
[Round "2.6"]
[White "Joergens, Markus"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2065"]
[BlackElo "2112"]
[PlyCount "80"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Oberhausen"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d6 5. Bg2 e5 6. Bxb4 axb4 7. dxe5 dxe5 8. Qxd8+ Kxd8 9. Nf3 Nc6 10. 0-0 Be6 11. Rd1+ Ke7 12. Nbd2 Nf6 13. Ne1 e4 14. Nc2 Rhd8 15. a3 bxa3 16. Nxa3 Bf5 17. Nb3 Ne5 18. h3 Rxd1+ 19. Rxd1 Ra4 20. Nc5 Rb4 21. g4 Bg6 22. g5 Nfd7 23. Nxe4 Rxb2 24. f4 Ra2 25. Nb5 Nxc4 26. Nxc7 Rxe2 27. Nd5+ Ke8 28. Ng3 Ne3 29. Nxe3 Rxe3 30. Kf2 Rb3 31. Re1+ Kf8 32. f5 Rb2+ 33. Re2 Rxe2+ 34. Kxe2 Nc5 35. fxg6 hxg6 36. Ne4 Ne6 37. h4 Nd4+ 38. Kf2 Nf5 39. Ng3 Nxh4 40. Bxb7 f6 1/2-1/2

[Event "NRW Class1 1112"]
[Site "Germany"]
[Date "2011.09.18"]
[Round "1.7"]
[White "Essing, Arnold"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2179"]
[BlackElo "2112"]
[PlyCount "39"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Neuenkirchen"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. 0-0 Bd6 6. b3 Qe7 7. c4 c6 8. Nc3 Nbd7 9. Na4 0-0 10. Nb2 b6 11. Bg5 Bb7 12. Nd3 dxc4 13. bxc4 c5 14. e3 h6 15. Bf4 Rfd8 16. Qb3 Rac8 17. Rfd1 Bxf3 18. Bxf3 e5 19. dxe5 Nxe5 20. Bxe5 1/2-1/2

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.31"]
[Round "9"]
[White "Evers, Leo"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2101"]
[BlackElo "2166"]
[PlyCount "126"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. g3 Nc6 6. Bg2 e5 7. d5 Bxd2+ 8. Nfxd2 Nb8 9. Nc3 Na6 10. 0-0 Nc5 11. a3 a4 12. Nde4 Nxe4 13. Bxe4 Bh3 14. Bc2 Bxf1 15. Bxa4+ Kf8 16. Qxf1 h5 17. Qh3 g6 18. b4 Kg7 19. Bc2 f5 20. e4 Qg5 21. f4 exf4 22. exf5 fxg3 23. Qxg3 Qxg3+ 24. hxg3 gxf5 25. Nb5 Kg6 26. Nxc7 Rc8 27. Nb5 Rxc4 28. Bxf5+ Kf6 29. Nxd6 Rd4 30. Re1 Rxd5 31. Re6+ Kg7 32. Be4 Rd1+ 33. Kg2 Nh6 34. Rg6+ Kf8 35. Rf6+ Kg7 36. Rg6+ Kf8 37. Nxb7 Ng4 38. Rc6 Rd2+ 39. Kf1 Ke7 40. Rc7+ Kf6 41. Rc5 Rf2+ 42. Kg1 Re8 43. Nd6 Rd8 44. Bf5 Ra2 45. Ne4+ Ke7 46. Rc7+ Kf8 47. Bxg4 hxg4 48. Rc1 Rd4 49. Rf1+ Ke7 50. Re1 Kd7 51. b5 Rxa3 52. b6 Kc6 53. Rb1 Ra8 54. Nf6 Rb8 55. Kf2 Rxb6 56. Rxb6+ Kxb6 57. Ke3 Ra4 58. Ne4 Kc6 59. Nc3 Rb4 60. Kd3 Kd6 61. Ne4+ Ke5 62. Nc3 Rb3 63. Kc2 Rxc3+ 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.30"]
[Round "8"]
[White "Wittenberg, Andreas"]
[Black "Conrad, Joachim"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2166"]
[BlackElo "2079"]
[PlyCount "102"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. d5 e5 5. Nc3 g6 6. g3 Bg7 7. Bg2 a5 8. 0-0 0-0 9. Ne1 Nh5 10. e4 Nc5 11. Be3 b6 12. Bxc5 bxc5 13. a3 Bd7 14. b3 Rb8 15. Rb1 Qe8 16. Nd3 f5 17. f3 Bh6 18. Qe2 Nf6 19. b4 axb4 20. axb4 cxb4 21. Nxb4 Rb6 22. Nd3 fxe4 23. Nxe4 Nxe4 24. fxe4 Rxb1 25. Rxb1 Qa8 26. c5 Rb8 27. Rxb8+ Qxb8 28. c6 Qa7+ 29. Kh1 Bc8 30. Nf2 Qa1+ 31. Qf1 Qd4 32. Bf3 Be3 33. Nd1 Bh6 34. Kg2 Kg7 35. Qe2 Qa4 36. Bg4 Ba6 37. Qf3 Qc2+ 38. Kh3 Bg5 39. Be6 Bf6 40. Ne3 Qb1 41. g4 h6 42. Bf5 Qe1 43. Bxg6 Qh4+ 44. Kg2 Kxg6 45. Qf5+ Kf7 46. Qh7+ Kf8 47. Qxc7 Be7 48. Qb8+ Kf7 49. c7 Qe1 50. Qa7 Qe2+ 51. Kg3 Bc8 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.29"]
[Round "7"]
[White "Linker, Walter"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2112"]
[BlackElo "2166"]
[PlyCount "48"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Be2 Nbd7 5. 0-0 Bxf3 6. Bxf3 e5 7. c4 e4 8. Be2 c6 9. Nc3 Bc5 10. d4 exd3 11. Qxd3 dxc4 12. Qxc4 Qe7 13. Rf3 Nb6 14. Qb3 0-0 15. Kh1 Rfe8 16. h3 Rad8 17. a3 h5 18. Qc2 Ng4 19. Ne4 Qxe4 20. Qxc5 Rd5 21. Qb4 Qc2 22. hxg4 hxg4 23. Rf2 g3 24. Qe1 Qh7+ 0-1

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.28"]
[Round "6"]
[White "Wittenberg, Andreas"]
[Black "Freise, Eckhard"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2166"]
[BlackElo "2032"]
[PlyCount "90"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 a5 5. b3 d6 6. Bb2 Nh6 7. e3 Na6 8. d4 exd4 9. exd4 0-0 10. Nge2 c6 11. 0-0 Bd7 12. Qd2 Nf5 13. Rad1 Bh6 14. Qc2 Nb4 15. Qb1 Re8 16. a3 Na6 17. Rfe1 Bg7 18. Qc2 Qe7 19. Kf1 Nh6 20. Nf4 Bf5 21. Qd2 Qd7 22. Na4 Rxe1+ 23. Rxe1 Re8 24. Qxa5 g5 25. Ne2 Bd3 26. Qd2 Qf5 27. Kg1 Ng4 28. Nc1 Rxe1+ 29. Qxe1 Nc7 30. h3 Nf6 31. Nc3 Ne6 32. Qd2 Bc2 33. d5 Nc5 34. b4 Nb3 35. Nxb3 Bxb3 36. dxc6 bxc6 37. Qe2 d5 38. cxd5 cxd5 39. Qd2 h5 40. Ne2 Qb1+ 41. Qc1 Qf5 42. Nd4 Qd3 43. Bf1 Qd1 44. Qc8+ Bf8 45. Nxb3 Qxb3 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.27"]
[Round "5"]
[White "Roth, Thorsten"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A40"]
[BlackElo "2166"]
[PlyCount "65"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d6 5. Bg2 Nc6 6. Bc3 Nh6 7. e3 0-0 8. Ne2 Bd7 9. 0-0 e5 10. b3 Bxc3 11. Nbxc3 Qc8 12. Nd5 Re8 13. Nec3 Ne7 14. Nxe7+ Rxe7 15. c5 dxc5 16. Nd5 Re8 17. dxe5 Rxe5 18. Rc1 Bh3 19. Rxc5 Bxg2 20. Kxg2 Qd8 21. Qd4 Qd6 22. f4 b6 23. fxe5 Qxc5 24. Qxc5 bxc5 25. e6 fxe6 26. Nxc7 Rc8 27. Nxe6 Re8 28. Nxc5 Rxe3 29. h3 g6 30. g4 Nf7 31. Nb7 Re5 32. Kg3 Rb5 33. Rxf7 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.26"]
[Round "4"]
[White "Wittenberg, Andreas"]
[Black "Schmidt, Kai Uwe"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2166"]
[BlackElo "2050"]
[PlyCount "45"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 a5 7. Bb2 c6 8. Re1 Ne4 9. Nbd2 f5 10. c4 c5 11. Qc2 Nxd2 12. Qxd2 cxd4 13. Nxd4 Na6 14. e4 fxe4 15. Bxe4 Bxd4 16. Qxd4 e5 17. Bd5+ Kg7 18. Qe3 Nb4 19. Be4 g5 20. Rad1 Qf6 21. c5 d5 22. Bxd5 Nc2 23. Qe2 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.25"]
[Round "3"]
[White "Virnyi, Julius"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2081"]
[BlackElo "2166"]
[PlyCount "63"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 d6 5. Bg2 Nc6 6. Nf3 Nf6 7. 0-0 Bxd2 8. Qxd2 0-0 9. Nc3 Qe7 10. e4 e5 11. d5 Nb8 12. Ne1 Na6 13. Nd3 Nd7 14. f4 exf4 15. gxf4 Nac5 16. Rae1 Nxd3 17. Qxd3 Nc5 18. Qd4 Bd7 19. e5 Bf5 20. Nb5 Qd7 21. Re3 b6 22. Rfe1 dxe5 23. fxe5 Rae8 24. b3 Qd8 25. Rg3 f6 26. e6 c6 27. Rge3 cxb5 28. e7 Rxe7 29. Rxe7 Nd3 30. R1e3 Ne5 31. R3xe5 fxe5 32. Qxe5 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.24"]
[Round "2"]
[White "Wittenberg, Andreas"]
[Black "Peter, Sebastian"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2166"]
[BlackElo "1974"]
[PlyCount "49"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 Nf6 4. d4 e6 5. 0-0 Be7 6. c4 0-0 7. d5 d6 8. Nc3 e5 9. e4 c6 10. Ne1 cxd5 11. exd5 Ne8 12. f4 exf4 13. Bxf4 Nd7 14. Nf3 Rc8 15. b3 a6 16. Rc1 b5 17. cxb5 Qb6+ 18. Kh1 axb5 19. Nd4 b4 20. Nc6 Bxc6 21. dxc6 Ndf6 22. Na4 Qa7 23. Re1 d5 24. Be3 Qa8 25. Nb6 1-0

[Event "Dortmund Sparkassen op-A"]
[Site "Dortmund"]
[Date "2011.07.23"]
[Round "1"]
[White "Simon, Thomas"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1963"]
[BlackElo "2166"]
[PlyCount "53"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. c4 c5 6. d4 cxd4 7. Qxd4 Be7 8. Bg5 0-0 9. Nc3 h6 10. Bxf6 Bxf6 11. Qf4 Na6 12. Rfd1 Qe7 13. Qd6 Qxd6 14. Rxd6 Bxc3 15. bxc3 Nc5 16. Ne5 Bxg2 17. Kxg2 Rfc8 18. Rad1 Rc7 19. Nxd7 Nxd7 20. Rxd7 Rxc4 21. Rb7 a5 22. Rdd7 Rf8 23. Rxb6 Rxc3 24. Ra7 Ra3 25. Rb2 Rc8 26. Rbb7 Rf8 27. Rb2 1/2-1/2

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.17"]
[Round "9"]
[White "Schiele, Lars"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2052"]
[BlackElo "2166"]
[PlyCount "65"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Be3 Bb4 7. Qd3 Qe7 8. Be2 f6 9. a3 Nxc3 10. bxc3 Ba5 11. Bf4 Bd7 12. 0-0 0-0 13. Bg3 Be8 14. c4 Bg6 15. Qb3 Be4 16. Qxb7 dxc4 17. Qa6 Rad8 18. exf6 gxf6 19. Bxc4 Bc3 20. Rad1 Bxf3 21. gxf3 Nxd4 22. Rd3 Ne2+ 23. Kg2 Rxd3 24. Bxd3 Nd4 25. Rb1 Qc5 26. Rb7 Ba5 27. Rxa7 Bb6 28. Ra8 f5 29. Rxf8+ Qxf8 30. c3 Nb3 31. Qc4 Nc5 32. Bb1 Kf7 33. Bxf5 1-0

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.15"]
[Round "8"]
[White "Wittenberg, Andreas"]
[Black "Kohtz, Andreas"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2166"]
[BlackElo "2030"]
[PlyCount "79"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 Ne4 8. Nfd2 Nxd2 9. Qxd2 Nc6 10. e3 cxd4 11. exd4 d5 12. c3 Bf5 13. Re1 Qd7 14. Na3 Rad8 15. Nc2 e5 16. dxe5 Nxe5 17. Nb4 Be4 18. Qe2 a5 19. f3 Nxf3+ 20. Bxf3 Bxf3 21. Qxf3 axb4 22. Rab1 bxc3 23. Bxc3 Bxc3 24. Qxc3 d4 25. Qd3 Rfe8 26. Rxe8+ Rxe8 27. Rd1 Qd5 28. Qc4 Qxc4 29. bxc4 Re4 30. Kf2 f5 31. Rb1 Re7 32. Rd1 Rd7 33. Ke2 Kf7 34. Kd3 Ke6 35. Rb1 g5 36. Rb6+ Ke5 37. Rb5+ Ke6 38. Rb6+ Ke5 39. Rb5+ Ke6 40. Rb6+ 1/2-1/2

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.14"]
[Round "7"]
[White "Wittenberg, Andreas"]
[Black "Preuss, Flemming"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2166"]
[BlackElo "1991"]
[PlyCount "107"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 g6 2. g3 f5 3. Bg2 Nf6 4. Nf3 d6 5. 0-0 Bg7 6. c4 0-0 7. b4 c6 8. Bb2 Qe8 9. Qb3 Kh8 10. a4 Be6 11. Nc3 a6 12. d5 Bg8 13. Nd4 e5 14. dxe6 Bxe6 15. Rfe1 Bg8 16. e4 f4 17. gxf4 Nh5 18. Nce2 Qf7 19. Nf3 Nxf4 20. Nxf4 Qxf4 21. Bxg7+ Kxg7 22. Qc3+ Qf6 23. Qxf6+ Kxf6 24. e5+ dxe5 25. Nxe5 Rd8 26. Ng4+ Kg5 27. h3 Nd7 28. Rad1 h5 29. f4+ Kxf4 30. Rd4+ Kg5 31. h4+ Kxh4 32. Nf6+ Kg5 33. Nxg8 Rxg8 34. Rxd7 Rab8 35. c5 Rgf8 36. a5 Rf4 37. Re4 Kg4 38. Rf7 Rxe4 39. Bxe4 g5 40. Kg2 Kh4 41. Rh7 Rd8 42. Rxb7 Rd2+ 43. Kf1 Kg3 44. Bxc6 g4 45. b5 axb5 46. a6 h4 47. a7 h3 48. a8Q Kh2 49. Rh7 g3 50. Bg2 Rf2+ 51. Ke1 Rxg2 52. Qc8 Rg1+ 53. Ke2 Re1+ 54. Kxe1 1-0

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.13"]
[Round "6"]
[White "Schirmer, Werner"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2033"]
[BlackElo "2166"]
[PlyCount "41"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bg5 Be7 6. e5 Ne4 7. Bxe7 Qxe7 8. Bd3 Qb4 9. 0-0 Nxc3 10. bxc3 Qxc3 11. Rb1 h6 12. Rb3 Qa5 13. Qc1 b6 14. c3 Ba6 15. Ra3 Bxd3 16. Rxa5 Bxf1 17. Ra3 Bc4 18. Nd2 Na5 19. Nb3 Nb7 20. Nd2 Na5 21. Nb3 1/2-1/2

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.12"]
[Round "5"]
[White "Wittenberg, Andreas"]
[Black "Wenzel, Birger"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2166"]
[BlackElo "2019"]
[PlyCount "64"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. 0-0 d5 6. Nxd4 e5 7. Nf3 Nc6 8. c4 d4 9. Bg5 Be7 10. e3 h6 11. Bxf6 Bxf6 12. exd4 exd4 13. Nbd2 0-0 14. Ne4 Bf5 15. Nxf6+ Qxf6 16. Qd2 Rad8 17. Nh4 Bh7 18. Rad1 Rfe8 19. Rfe1 d3 20. Re3 Ne5 21. Rde1 g5 22. Nf3 Nxf3+ 23. Bxf3 Rxe3 24. Rxe3 Qd4 25. Bd5 b5 26. b3 b4 27. Re1 Bg6 28. Qe3 Qxe3 29. Rxe3 d2 30. Bf3 d1Q+ 31. Bxd1 Rxd1+ 32. Kg2 Rd2 0-1

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.11"]
[Round "4"]
[White "Luther, Thomas"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2515"]
[BlackElo "2166"]
[PlyCount "89"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bd3 Nb4 6. Bg5 Be7 7. e5 Nd7 8. Bxe7 Qxe7 9. 0-0 Nxd3 10. cxd3 a6 11. Rc1 b6 12. Na4 Ra7 13. Rc3 0-0 14. Qc2 c5 15. a3 Rc7 16. dxc5 bxc5 17. b4 c4 18. dxc4 dxc4 19. Rxc4 Rxc4 20. Qxc4 Bb7 21. Re1 Rc8 22. Qd3 h6 23. h3 Rc7 24. Qd6 Qxd6 25. exd6 Rc2 26. Ne5 Nxe5 27. Rxe5 Rd2 28. Nc5 Bc8 29. d7 Bxd7 30. Nxa6 Rd1+ 31. Kh2 Ra1 32. Ra5 Bc6 33. b5 Bxb5 34. Rxb5 Rxa3 35. Nc5 g6 36. Rb7 Ra5 37. Ne4 Rf5 38. f3 Kg7 39. Kg3 g5 40. Nd6 Rf4 41. Kf2 Kg6 42. g3 Rf6 43. Ke3 e5 44. Nc4 Kh5 45. Rb6 1-0

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.11"]
[Round "3"]
[White "Svane, Rasmus"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2346"]
[BlackElo "2166"]
[PlyCount "107"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. 0-0-0 Nb6 11. Kb1 Be6 12. Nf3 0-0-0 13. Rc1 Kb8 14. Na4 Nxa4 15. Qxa4 g6 16. Rc3 Bf5 17. Bxf5 gxf5 18. Ne5 Rc8 19. Ra3 a6 20. Rc1 Rc7 21. Rxc6 Rhc8 22. Rb3 Qe8 23. Rxc7 Kxc7 24. Qb4 b5 25. Rc3+ Kb7 26. Rxc8 Qxc8 27. Qd6 Qe6 28. Qd8 Nf6 29. Qf8 Ng4 30. Qxf7+ Qxf7 31. Nxf7 Kc7 32. Kc2 Nxf2 33. Nh6 Kd6 34. Nxf5+ Ke6 35. Ng3 Ng4 36. Nf1 Kf5 37. h3 Nf6 38. Nd2 Kg5 39. Nf3+ Kf5 40. Kd3 h5 41. Nd2 Ke6 42. Nb3 Kf5 43. Nc5 a5 44. Nb7 Kg5 45. Ke2 Kh4 46. Kf3 Ne4 47. Kf4 a4 48. a3 Ng3 49. Nd6 Ne2+ 50. Kf3 Nc1 51. Nxb5 Nd3 52. Nc3 Nxb2 53. Nxd5 Nc4 54. Kf4 1-0

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.10"]
[Round "2"]
[White "Wittenberg, Andreas"]
[Black "Hinrichs, Lars"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2166"]
[BlackElo "1894"]
[PlyCount "113"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 d5 6. c4 Bd6 7. cxd5 exd5 8. Nc3 a6 9. Qb3 Nbd7 10. Nh4 0-0 11. Nxd5 Nxd5 12. Bxd5 Bxd5 13. Qxd5 Re8 14. Bg5 Be7 15. Bxe7 Qxe7 16. e3 Rad8 17. Qc4 c5 18. Rfd1 cxd4 19. Qxd4 Nc5 20. Qg4 Qf6 21. Rxd8 Rxd8 22. Rd1 h6 23. Rxd8+ Qxd8 24. Nf5 Qf6 25. Nd4 a5 26. b3 Qd8 27. Qf5 Qd6 28. Kg2 Qd8 29. Qe5 Qa8+ 30. f3 Qd8 31. Qf5 Qd6 32. Kf2 Qd8 33. Ke2 Qa8 34. Qc2 Qc8 35. Nf5 Qd7 36. e4 Qe8 37. Qc4 Qd7 38. Qd5 Qb5+ 39. Ke3 Qe8 40. Qd4 f6 41. Nd6 Qe7 42. Qd5+ Kh7 43. h4 Qc7 44. Qf5+ Kg8 45. Qc8+ Qxc8 46. Nxc8 b5 47. Kd4 Nd7 48. f4 Kf8 49. Na7 a4 50. Nxb5 axb3 51. axb3 Ke7 52. Nc7 Nb8 53. Kd5 Nd7 54. b4 g6 55. b5 Kd8 56. Kd6 h5 57. Nd5 1-0

[Event "Hamburg St Pauli op-A"]
[Site "Hamburg"]
[Date "2011.07.09"]
[Round "1"]
[White "Hinrichs, Jan"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1947"]
[BlackElo "2166"]
[PlyCount "98"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. Ngf3 0-0 5. g3 d5 6. Bg2 dxc4 7. Qc2 a6 8. Qxc4 Qe7 9. a3 Ba5 10. Ne5 Nbd7 11. 0-0 Nxe5 12. dxe5 Nd7 13. b4 Bb6 14. Bb2 c5 15. Kh1 Bc7 16. f4 b5 17. Qc2 Rb8 18. bxc5 Nxc5 19. Rac1 Bb6 20. Ne4 Nxe4 21. Bxe4 Bb7 22. Bxb7 Qxb7+ 23. Qc6 Be3 24. Qxb7 Rxb7 25. Rc6 a5 26. Rf3 Ba7 27. Rb3 a4 28. Rd3 Rbb8 29. Bc3 Rfc8 30. Rxc8+ Rxc8 31. Bb4 h5 32. Kg2 Rc7 33. Kf3 Kh7 34. Rc3 Rxc3+ 35. Bxc3 Bc5 36. Bb2 Kg8 37. e4 Kf8 38. f5 g6 39. g4 hxg4+ 40. Kxg4 Kg7 41. h3 b4 42. axb4 Bxb4 43. h4 a3 44. Ba1 Bd2 45. Bd4 Bc1 46. Bc5 Bb2 47. Bxa3 Bxa3 48. h5 gxh5+ 49. Kxh5 Bb2 0-1

[Event "Bundesliga 1011"]
[Site "Germany"]
[Date "2011.04.09"]
[Round "14.8"]
[White "Wittenberg, Andreas"]
[Black "Straeter, Timo"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2189"]
[BlackElo "2325"]
[PlyCount "89"]
[EventDate "2010.10.09"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord"]
[BlackTeam "Wattenscheid"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. 0-0 Nc6 6. a3 cxd4 7. Nxd4 Be7 8. c4 0-0 9. cxd5 exd5 10. Nc3 Re8 11. b4 Bg4 12. h3 Bh5 13. Bb2 Bf8 14. g4 Bg6 15. e3 Ne5 16. Qb3 Nd3 17. Rad1 Nxb2 18. Qxb2 h5 19. Nde2 hxg4 20. Nxd5 Nxd5 21. Rxd5 Qb6 22. hxg4 a5 23. Qd4 Qe6 24. Ng3 axb4 25. axb4 Rac8 26. Rd1 Bc2 27. Rc1 Bb3 28. Rxc8 Rxc8 29. Re5 Rc1+ 30. Kh2 Qf6 31. Re8 Qh4+ 32. Bh3 Ba4 33. Ra8 Rc2 34. Qxg7+ Kxg7 35. Nf5+ Kf6 36. Nxh4 Bd6+ 37. Kg2 Bc6+ 38. Nf3 Bxb4 39. g5+ Ke7 40. Bf5 Rb2 41. e4 Bc5 42. Ne5 Rxf2+ 43. Kg3 Rb2 44. Nxc6+ bxc6 45. Rc8 1/2-1/2

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2011.04.03"]
[Round "9.7"]
[White "Schulz, Stefan"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1939"]
[BlackElo "2143"]
[PlyCount "66"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Muenster"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 f5 3. c4 Nf6 4. g3 c6 5. Bg2 d5 6. b3 Bd6 7. 0-0 Qe7 8. a4 a5 9. Ba3 Bb4 10. Bxb4 axb4 11. c5 0-0 12. Ne5 Qc7 13. Nd2 b6 14. Qc2 Ra5 15. Nd3 Na6 16. cxb6 Qxb6 17. Nf3 c5 18. dxc5 Nxc5 19. Rac1 Nfd7 20. Nfe5 Nxe5 21. Nxc5 Ba6 22. Nxa6 Rxa6 23. Qc7 Nc6 24. Qd7 Nb8 25. Qe7 Qd6 26. Qxd6 Rxd6 27. Rc7 Na6 28. Rc2 Rb8 29. Rfc1 Rbb6 30. e3 Nb8 31. Bf1 Nc6 32. Rc5 Ne5 33. Be2 Rdc6 1/2-1/2

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2011.03.13"]
[Round "8.4"]
[White "Schmidt, Bodo"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A94"]
[WhiteElo "2376"]
[BlackElo "2143"]
[PlyCount "57"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Godesberg"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. Nf3 d5 3. g3 c6 4. Bg2 f5 5. 0-0 Nf6 6. b3 Nbd7 7. c4 Bd6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 0-0 11. Nce1 dxc4 12. bxc4 e5 13. e3 exd4 14. exd4 Nb6 15. c5 Nbd5 16. Nd3 f4 17. Re1 Qc7 18. Nfe5 Bf5 19. Qb3 fxg3 20. hxg3 Rad8 21. Rab1 Bc8 22. Nc4 Kh8 23. Nd6 Rxd6 24. cxd6 Qxd6 25. Ne5 b6 26. Rbc1 Bb7 27. Qc4 g6 28. Nxc6 Rc8 29. Ne5 1-0

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2011.02.20"]
[Round "7.6"]
[White "Montignies, Rainer"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2242"]
[BlackElo "2143"]
[PlyCount "37"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Duisburg"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. e4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2 0-0 9. Qd2 a6 10. 0-0 Nxd4 11. Bxd4 Be6 12. Rad1 Rc8 13. b3 Re8 14. f4 Qa5 15. Kh1 Nd7 16. Bxg7 Kxg7 17. f5 gxf5 18. exf5 Bxf5 19. Qg5+ 1-0

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2010.12.19"]
[Round "4.7"]
[White "Kartsev, Alexandr"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2145"]
[BlackElo "2143"]
[PlyCount "121"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Castrop Rauxel"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Qb6 10. 0-0 a5 11. Qd3 Be7 12. Bd2 Nb4 13. Nxb4 axb4 14. a3 bxa3 15. bxa3 Bc6 16. Rab1 Qc7 17. Bb4 0-0 18. g4 Nh6 19. Nd2 f5 20. g5 Nf7 21. f4 Ra4 22. Rfc1 Rfa8 23. Qc3 Bxb4 24. axb4 Qb6 25. b5 Be8 26. Nb3 Nh8 27. Qc5 Qd8 28. Qd6 Qxd6 29. exd6 b6 30. Rc7 R4a7 31. Nc5 Nf7 32. Nxe6 Nxd6 33. Bf3 Ne4 34. Bxe4 fxe4 35. f5 Bd7 36. Rbc1 Bxb5 37. f6 gxf6 38. gxf6 Be8 39. f7+ Bxf7 40. Rxa7 Rxa7 41. Rc8+ Be8 42. Nc7 Ra1+ 43. Kg2 Rc1 44. Rxe8+ Kf7 45. Rc8 Rc4 46. Kg3 Rxd4 47. Rh8 Rd1 48. Rxh7+ Kf6 49. Rh6+ Ke5 50. Rxb6 Rg1+ 51. Kf2 Rg7 52. Re6+ Kf5 53. Rc6 d4 54. Rc5+ Kg4 55. Ne6 Rf7+ 56. Kg2 e3 57. Nxd4 Rf2+ 58. Kg1 Rd2 59. Nc2 Rd1+ 60. Kg2 Rd2+ 61. Kg1 1/2-1/2

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2010.11.28"]
[Round "3.7"]
[White "Wittenberg, Andreas"]
[Black "Peschlow, Patrick"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2143"]
[BlackElo "2311"]
[PlyCount "38"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Koeln Porz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. Nce5 Bd5 10. Bf4 a5 11. Nxc6 Bxc6 12. Be5 Be4 13. Rc1 c6 14. Qb3 Ra6 15. Rfd1 Qb6 16. Nd2 Bxg2 17. Kxg2 Nd5 18. Bxg7 Kxg7 19. Qxb6 Rxb6 1/2-1/2

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2010.10.24"]
[Round "2.8"]
[White "Wittenberg, Andreas"]
[Black "Nautsch, Werner"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2143"]
[BlackElo "2222"]
[PlyCount "84"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Katernberg II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nbd2 Be7 6. Bd3 0-0 7. 0-0 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Rc1 Rc8 11. Qe2 c5 12. cxd5 Nxd5 13. Rfd1 cxd4 14. Nxd4 Rxc1 15. Rxc1 Nc5 16. Bb1 Bf6 17. Ne4 Nxe4 18. Bxe4 h6 19. Qf3 Qd7 20. h3 Bxd4 21. Bxd4 f5 22. Bxd5 Qxd5 23. Rc7 Rf7 24. Rxf7 Kxf7 25. Qg3 g5 26. Qc7+ Ke8 27. f3 g4 28. Bf6 Qd7 29. Qxd7+ Kxd7 30. hxg4 fxg4 31. fxg4 a5 32. Bd4 b5 33. Bg7 a4 34. bxa4 bxa4 35. a3 Ke8 36. Bxh6 Kf7 37. Bf4 Kg6 38. Kf2 Bd5 39. Bc7 Bb3 40. Kf3 Bd5+ 41. e4 Bb3 42. Kf4 Bc4 1/2-1/2

[Event "Oberliga NRW 1011"]
[Site "Germany"]
[Date "2010.09.26"]
[Round "1.6"]
[White "Frombach, Ralf"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2224"]
[BlackElo "2143"]
[PlyCount "59"]
[EventDate "2010.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Aachen"]
[BlackTeam "Muelheim Nord II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. a3 Be7 5. e4 d6 6. Bd3 e5 7. Ne2 0-0 8. 0-0 a5 9. b3 Re8 10. Bb2 Bg4 11. Qc2 Bf8 12. f3 Bh5 13. d5 Nbd7 14. b4 c6 15. Bc3 axb4 16. axb4 Qc7 17. Nb3 Bg6 18. Na5 Rec8 19. Ra2 Nh5 20. g3 Be7 21. Kg2 Nhf6 22. Rfa1 Nb6 23. Qb3 cxd5 24. cxd5 Nfxd5 25. Bd2 Nf6 26. Be3 Bd8 27. Bxb6 Qxb6 28. Nc4 Rxc4 29. Rxa8 Rc6 30. Bb5 1-0

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.29"]
[Round "7"]
[White "Moes, Waldemar"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2036"]
[BlackElo "2143"]
[PlyCount "50"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 Nf6 5. g3 b6 6. Bg2 Bb7 7. 0-0 Bxd2 8. Qxd2 0-0 9. Nc3 d6 10. d5 e5 11. a3 a4 12. Qc2 Qe8 13. Nh4 Bc8 14. e4 Bd7 15. f4 Na6 16. fxe5 Qxe5 17. Nf3 Qh5 18. Nd4 Nc5 19. Nf5 Rae8 20. Rae1 Re5 21. Rf4 Bxf5 22. Rxf5 Qxf5 23. exf5 Rxe1+ 24. Kf2 Rfe8 25. Bf3 Rc1 0-1

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.29"]
[Round "6"]
[White "Wittenberg, Andreas"]
[Black "Titgemeyer, Sven"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2143"]
[BlackElo "2039"]
[PlyCount "61"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. b3 dxc4 7. Nxc4 Qc7 8. Bd3 b5 9. Nce5 Bd6 10. Bb2 Bb7 11. 0-0 Bxe5 12. Nxe5 Nxe5 13. dxe5 Nd7 14. Qh5 Nc5 15. Be2 0-0-0 16. Bd4 g6 17. Qg5 h6 18. Qf4 g5 19. Qf3 Na6 20. Qf6 Kb8 21. Rfc1 Qd7 22. a4 Rhg8 23. Rd1 Qe8 24. axb5 cxb5 25. Bf3 g4 26. Bxb7 Kxb7 27. Qf4 h5 28. Qe4+ Rd5 29. Qc2 b4 30. Rxa6 Kxa6 31. Ra1+ 1-0

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.28"]
[Round "5"]
[White "Koop, Thorben"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1880"]
[BlackElo "2143"]
[PlyCount "81"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. Bg5 Be7 6. e5 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 Bd7 10. 0-0 Na5 11. Nd2 Qa3 12. Nb3 b6 13. Qc1 Qxc1 14. Raxc1 Nb7 15. c4 dxc4 16. Bxc4 Bc6 17. Bd3 0-0-0 18. f3 Rd7 19. Be4 Ba4 20. c3 Nd8 21. Kf2 Nc6 22. Ke3 Ne7 23. c4 Rhd8 24. c5 Bxb3 25. axb3 Rxd4 26. cxb6 axb6 27. Ra1 Nf5+ 28. Bxf5 exf5 29. Ra8+ Kb7 30. Rxd8 Rxd8 31. Rf2 h6 32. g4 Rd5 33. Kf4 fxg4 34. fxg4 Kc8 35. Ke4 Rd7 36. b4 Kd8 37. b5 Ke7 38. Re2 Kd8 39. Rf2 Re7 40. Kd5 Kd7 41. Rxf7 1-0

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.28"]
[Round "4"]
[White "Wittenberg, Andreas"]
[Black "Stepa, Rainer"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2143"]
[BlackElo "1946"]
[PlyCount "109"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Bg2 Bxb1 6. Rxb1 dxc4 7. 0-0 Qa5 8. a4 Nbd7 9. Qc2 Nb6 10. Ra1 Qa6 11. Ne5 Nfd7 12. Nf3 e6 13. e4 Be7 14. a5 c5 15. Bf4 Nc8 16. Rfc1 cxd4 17. Qxc4 Qxc4 18. Rxc4 g5 19. Bxg5 f6 20. Bh6 e5 21. Bh3 Bd8 22. Nh4 Nd6 23. Rc2 b6 24. Be6 Nf7 25. Bg7 Rg8 26. Nf5 bxa5 27. Bd5 Rb8 28. Rc6 Rb6 29. Rc8 Rb8 30. Rac1 Rxc8 31. Rxc8 Nb6 32. Rxd8+ Nxd8 33. Bxg8 d3 34. Kf1 Na4 35. Nd6+ Kd7 36. Nc4 Ke7 37. Bd5 Ne6 38. Bxe6 Kxe6 39. g4 Nc5 40. f3 a4 41. Bh6 Kd7 42. Be3 Kc6 43. Ke1 Kb5 44. Na3+ Kb4 45. Bxc5+ Kxc5 46. Kd2 Kd4 47. Nb1 Kc4 48. Nc3 Kb3 49. Kxd3 h6 50. Nd1 a5 51. h4 Kb4 52. Kc2 Kc4 53. Ne3+ Kc5 54. Kc3 Kd6 55. Nf5+ 1-0

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.27"]
[Round "3"]
[White "Bluebaum, Johanna"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1998"]
[BlackElo "2143"]
[PlyCount "72"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 b6 5. e4 f5 6. Bd3 Bxd2+ 7. Nbxd2 Ne7 8. 0-0 0-0 9. Qc2 Bb7 10. b3 fxe4 11. Bxe4 Bxe4 12. Qxe4 Na6 13. Ne5 Nf5 14. a3 Qe7 15. Ndf3 c6 16. Rfe1 Nc7 17. Qg4 Ne8 18. Qh3 Nf6 19. g4 Nd6 20. g5 Nfe8 21. d5 cxd5 22. cxd5 Nf5 23. dxe6 dxe6 24. g6 h6 25. Nf7 Qf6 26. N3g5 Rc8 27. Rad1 Qxg6 28. Rxe6 Nf6 29. Kh1 hxg5 30. Ne5 Qh5 31. Qxh5 Nxh5 32. Rxb6 Nh4 33. Ng4 Rf4 34. h3 Rf3 35. Rb5 Rxh3+ 36. Kg1 Nf3+ 0-1

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.27"]
[Round "2"]
[White "Wittenberg, Andreas"]
[Black "Krishnasing, Ashley"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2143"]
[BlackElo "1959"]
[PlyCount "54"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 d6 7. d5 e5 8. Nc3 0-0 9. e4 Nbd7 10. Ne1 Ba6 11. b3 Ne8 12. f4 exf4 13. gxf4 Bf6 14. Bb2 g6 15. Nd3 Ng7 16. e5 dxe5 17. fxe5 Bxe5 18. Nxe5 Nxe5 19. Ne4 f5 20. Bxe5 fxe4 21. Bxe4 Qg5+ 22. Bg3 Qe3+ 23. Bf2 Qxe4 24. Qd2 Nh5 25. Rae1 Qg4+ 26. Kh1 Qf3+ 27. Kg1 Nf4 0-1

[Event "Moehnesee Cup 36th"]
[Site "Moehnesee"]
[Date "2010.08.26"]
[Round "1"]
[White "Volesky, Alexander"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1933"]
[BlackElo "2143"]
[PlyCount "94"]
[EventDate "2010.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. c4 Bb4+ 6. Nc3 Nf6 7. a3 Bxc3+ 8. bxc3 Bg4 9. Be2 dxc4 10. Bxc4 Qe7+ 11. Qe2 Bxf3 12. gxf3 0-0 13. Qxe7 Nxe7 14. Bd2 Nf5 15. 0-0-0 c6 16. h4 Rfe8 17. Bd3 Nd6 18. Rde1 Nb5 19. Kb2 h6 20. Re3 Kf8 21. Rhe1 Red8 22. Re7 Rd7 23. Rxd7 Nxd7 24. Bf4 Nb6 25. Bg3 Rd8 26. Bxb5 cxb5 27. Kb3 Rd7 28. Re5 a6 29. Rc5 Ke7 30. Rc7 Nc4 31. Rxd7+ Kxd7 32. Bf4 Nb6 33. Kc2 Ke6 34. Kd3 Kd5 35. Bc1 Nc4 36. Kc2 h5 37. Kb3 Nd6 38. Bf4 Nf5 39. Bg3 f6 40. Kb4 g5 41. hxg5 fxg5 42. Be5 h4 43. a4 bxa4 44. Kxa4 h3 45. Kb4 b5 46. Ka5 Kc4 47. Kxa6 Nxd4 0-1

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.14"]
[Round "9"]
[White "Hoolt, Sarah"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2245"]
[BlackElo "2143"]
[PlyCount "51"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Bb5 dxe4 5. Nxe4 Qd5 6. Qe2 a6 7. Bxc6+ Qxc6 8. Nf3 Nf6 9. Ng3 b6 10. Bg5 Bb4+ 11. c3 Bxc3+ 12. bxc3 Qxc3+ 13. Qd2 Qxa1+ 14. Ke2 Ne4 15. Nxe4 Qxh1 16. Qb4 f6 17. Nxf6+ gxf6 18. Bxf6 c5 19. dxc5 Rf8 20. Qxb6 Rxf6 21. Qc6+ Ke7 22. Qd6+ Kf7 23. Ne5+ Kg8 24. Qd8+ Rf8 25. Qg5+ Kh8 26. Ng6+ 1/2-1/2

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.13"]
[Round "8"]
[White "Wittenberg, Andreas"]
[Black "Provoost, Simon"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2143"]
[BlackElo "2255"]
[PlyCount "49"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 e6 2. g3 f5 3. Bg2 Nf6 4. Nf3 Be7 5. c4 0-0 6. 0-0 d6 7. b4 Qe8 8. Bb2 Nc6 9. b5 Nd8 10. Qb3 Qh5 11. Nbd2 Nf7 12. a4 e5 13. dxe5 dxe5 14. Nxe5 Nxe5 15. Bxe5 Qxe2 16. Nf3 Be6 17. Rac1 Bc5 18. Rc2 Qe4 19. Bxf6 Rxf6 20. Ng5 Qe5 21. Nxe6 Rxe6 22. Bd5 Rae8 23. Qf3 c6 24. bxc6 bxc6 25. Bxc6 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.12"]
[Round "7"]
[White "Afek, Yochanan"]
[Black "Wittenberg, Andreas"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2310"]
[BlackElo "2143"]
[PlyCount "68"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Qb6 10. 0-0 a5 11. b3 Be7 12. g4 Nh4 13. Nxh4 Bxh4 14. f4 Be7 15. Kg2 Nb4 16. Be3 Bb5 17. Nxb4 axb4 18. f5 Qa6 19. Bxb5+ Qxb5 20. Rf2 Rc8 21. Qd2 h5 22. fxe6 fxe6 23. Bg5 Qd7 24. Raf1 Qd8 25. Bxe7 Qxe7 26. g5 h4 27. Kh1 h3 28. g6 Rc3 29. a3 Qh4 30. Rf4 Qh5 31. Qf2 Qxg6 32. axb4 Rxb3 33. Rf8+ Kd7 34. Rxh8 Qe4+ 1/2-1/2

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.11"]
[Round "6"]
[White "Wittenberg, Andreas"]
[Black "Van de Braak, Joey"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2143"]
[BlackElo "1937"]
[PlyCount "105"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 Nbd7 7. Bb2 c6 8. Re1 Qc7 9. Nbd2 e5 10. e4 Re8 11. a4 exd4 12. Bxd4 Ne5 13. Qc1 Nxf3+ 14. Bxf3 Ng4 15. Bxg7 Kxg7 16. Qb2+ Ne5 17. Bg2 f6 18. h3 Be6 19. f4 Nd7 20. Nf3 Rad8 21. Kh2 Bf7 22. Qd4 a5 23. Rad1 Nb6 24. Qc3 Nc8 25. e5 fxe5 26. fxe5 Kg8 27. exd6 Nxd6 28. Ne5 Be6 29. Bd5 Bxd5 30. Rxd5 Nf7 31. Ng4 Rxe1 32. Rxd8+ Qxd8 33. Qxe1 Qd4 34. c3 Qd6 35. Qe3 Kg7 36. Nf2 Ne5 37. Ne4 Qd1 38. Nd2 Kf7 39. Kg2 h5 40. b4 axb4 41. cxb4 Qc2 42. Qb3+ Qxb3 43. Nxb3 Nd3 44. Na5 Nb2 45. Nxb7 Nxa4 46. Nd8+ Kf6 47. Nxc6 g5 48. Kf3 Kf5 49. Ke3 g4 50. h4 Nc3 51. Ne7+ Kf6 52. Kd3 Na4 53. Nd5+ 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.10"]
[Round "5"]
[White "De Jong, Migchiel"]
[Black "Wittenberg, Andreas"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2358"]
[BlackElo "2143"]
[PlyCount "61"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. Bb5 Bd7 6. Nf3 Qe7 7. Bf4 0-0-0 8. Qd2 Qf7 9. h4 Bb4 10. a3 Bxc3 11. Qxc3 Nge7 12. h5 Rhf8 13. Qd2 Nxe5 14. dxe5 Bxb5 15. exf6 Nc6 16. fxg7 Qxg7 17. 0-0-0 Qxg2 18. Ne5 Nxe5 19. Bxe5 Rxf2 20. Qc3 Qg5+ 21. Kb1 Rf7 22. h6 Bc6 23. Qd4 b6 24. Rdg1 Qe7 25. Rg7 Rdf8 26. Qd3 d4 27. Rd1 Bd5 28. Qxh7 Qe8 29. Qg6 d3 30. cxd3 c5 31. Rxf7 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.09"]
[Round "4"]
[White "Wittenberg, Andreas"]
[Black "Gawle, Ireneusz"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2143"]
[BlackElo "1951"]
[PlyCount "73"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 Nc6 8. d5 Nb4 9. c4 Bf5 10. a3 Na6 11. Nfd2 Qc8 12. Re1 Rb8 13. Nc3 Nc7 14. e4 Bh3 15. Qe2 a6 16. a4 Bxg2 17. Kxg2 e5 18. a5 Nh5 19. Na4 Bh6 20. Nb6 Qd8 21. Bc3 Ne8 22. Nf1 Neg7 23. Ne3 f5 24. exf5 gxf5 25. f3 Qg5 26. Qf1 Rf7 27. Kh1 Rbf8 28. Ng2 Nf6 29. Ra2 Qh5 30. b4 Ne4 31. fxe4 fxe4 32. Qg1 Qh3 33. bxc5 Rf3 34. cxd6 Nh5 35. Bxe5 Bf4 36. Bxf4 R8xf4 37. Nxf4 1-0

