[Event "Oberliga Sued W 2122"]
[Site "Germany"]
[Date "2022.06.26"]
[Round "5.5"]
[White "Alhassan, Radwan"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1650"]
[BlackElo "2118"]
[PlyCount "42"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "St Ingbert"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. dxc6 Bxc6 6. Nc3 e6 7. a3 Qh4 8. g3 Qh5 9. f3 0-0-0 10. e4 Bc5 11. Be3 Bxd4 12. Bxd4 e5 13. Nd5 Bxd5 14. exd5 Rxd5 15. Qc2 exd4 16. Rc1 c6 17. Ba6 Ne7 18. Bd3 Qxf3 19. Rf1 Re5+ 20. Be2 Qe3 21. Rf3 Qxf3 0-1

[Event "Oberliga Sued W 2122"]
[Site "Germany"]
[Date "2022.04.03"]
[Round "8.7"]
[White "Grieb, Stefan"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1898"]
[BlackElo "2114"]
[PlyCount "64"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Gau Algesheim"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 c6 7. Nc3 Qc7 8. e4 e5 9. d5 Nbd7 10. Bd2 Nc5 11. Qc2 a5 12. Rfc1 Nfd7 13. Ne1 f5 14. Nd3 Nxe4 15. Nxe4 fxe4 16. Bxe4 Nf6 17. Bg2 Bf5 18. Qb3 a4 19. Qa3 c5 20. Ne1 Qd7 21. b4 b6 22. Bc3 Ne4 23. Bb2 Ng5 24. f3 h5 25. Qe3 Bh6 26. f4 Nh3+ 27. Kh1 a3 28. Bc3 exf4 29. Qd2 Kh7 30. Bxh3 Be4+ 31. Bg2 f3 32. Nxf3 Bxd2 0-1

[Event "Oberliga Sued W 2122"]
[Site "Germany"]
[Date "2021.10.24"]
[Round "1.7"]
[White "Aubertin, Tim"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1920"]
[BlackElo "2109"]
[PlyCount "36"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Illingen Turm"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bf4 c5 3. c3 Qb6 4. Qc2 cxd4 5. cxd4 Nc6 6. e3 d6 7. Nd2 Nb4 8. Qb3 Bf5 9. Nc4 Nd3+ 10. Qxd3 Bxd3 11. Nxb6 Bxf1 12. Nxa8 Bxg2 13. Nc7+ Kd7 14. Nb5 a6 15. Nc3 Bxh1 16. f3 g5 17. Bxg5 Rg8 18. Nh3 Bg2 0-1

[Event "Oberliga Sued W 1920"]
[Site "Germany"]
[Date "2020.03.01"]
[Round "7.6"]
[White "Grewenig, Jan"]
[Black "Hauer, Andreas"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2114"]
[BlackElo "1928"]
[PlyCount "72"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Qe2 d5 5. e5 c5 6. c3 Ne7 7. f4 Qc8 8. Be3 Nec6 9. Nf3 Ba6 10. f5 Bxd3 11. Qxd3 cxd4 12. Bxd4 Qa6 13. Qc2 Nd7 14. fxe6 fxe6 15. Ng5 Nxd4 16. cxd4 Rc8 17. Nc3 b5 18. Qf2 Rc6 19. 0-0 Nxe5 20. Nxh7 Be7 21. Rae1 Rxh7 22. Rxe5 g6 23. Nxd5 exd5 24. Qf8+ Kd7 25. Qg8 Rf6 26. Rxf6 Qxf6 27. Qxh7 Kd6 28. Qxe7+ Qxe7 29. Rxe7 Kxe7 30. h4 Kf6 31. g4 g5 32. h5 a5 33. Kf2 Kg7 34. Ke3 Kf7 35. Kd3 Kf6 36. Kc3 Kg7 1/2-1/2

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "7"]
[White "Grewenig, Jan"]
[Black "Lysyj, Igor"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2305"]
[BlackElo "2600"]
[PlyCount "87"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 d6 11. Qf2 Nf6 12. Be2 dxe5 13. 0-0 Qc5 14. Be3 Ne4 15. Bxc5 Bxc5 16. Qxc5 Nxc5 17. fxe5 0-0 18. Nd2 Rfe8 19. Nf3 Rad8 20. Rad1 Rxd1 21. Rxd1 Bc8 22. h3 Kf8 23. Kf2 Nd7 24. Rd4 Nxe5 25. Nxe5 Rxe5 26. Bf3 Ke7 27. Bxc6 Be6 28. Bf3 a5 29. Re4 Rxe4 30. Bxe4 Kd6 31. Ke3 Ke5 32. h4 f5 33. Bf3 f4+ 34. Kd3 h6 35. a3 g5 36. hxg5 hxg5 37. b4 axb4 38. axb4 g4 39. Bb7 Bf5+ 40. Kc3 Be4 41. Bxe4 Kxe4 42. b5 g3 43. c5 f3 44. gxf3+ 0-1

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "22"]
[White "Grewenig, Jan"]
[Black "Potapov, Pavel"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2305"]
[BlackElo "2464"]
[PlyCount "81"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Be3 Nf6 9. Nc4 Be6 10. Nb6 Rb8 11. f3 0-0 12. Qd2 Nd7 13. Ncd5 Bxd5 14. Nxd5 Nf6 15. Nb6 Qc7 16. 0-0-0 Rfd8 17. Kb1 Nd4 18. Bxd4 exd4 19. Qxd4 d5 20. Nxd5 Nxd5 21. exd5 Bf6 22. Qc4 Qe5 23. Qb3 b5 24. g3 a5 25. f4 Qd6 26. Bxb5 Rxb5 27. Qxb5 Rb8 28. Qc6 Rxb2+ 29. Kc1 Qb8 30. d6 h6 31. Rhe1 Rb1+ 32. Kd2 Qb4+ 33. Ke2 Rb2 34. d7 Kh7 35. Kf1 Qa3 36. d8Q Bxd8 37. Rxd8 Qxa2 38. Qe4+ g6 39. Qe5 Qc4+ 40. Re2 Rb1+ 41. Kf2 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "8"]
[White "Lysyj, Igor"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2600"]
[BlackElo "2305"]
[PlyCount "42"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 Bg4 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bxf3 8. Qxf3 e5 9. d5 Na5 10. Qg3 f6 11. Bb5+ c6 12. dxc6 bxc6 13. Be2 Qc7 14. 0-0 Bc5 15. Kh1 0-0 16. f4 exf4 17. Bxf4 Qe7 18. Bd3 Rad8 19. Qh3 Qd7 20. Qxd7 Rxd7 21. Bc2 Re8 1-0

[Event "EU-ch blitz"]
[Site "Tallinn"]
[Date "2019.12.07"]
[Round "21"]
[White "Potapov, Pavel"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2464"]
[BlackElo "2305"]
[PlyCount "95"]
[EventDate "2019.12.07"]
[EventType "swiss (blitz)"]
[EventRounds "22"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. 0-0 Be7 9. Be3 Nbd7 10. Na3 0-0 11. dxc5 Bxc5 12. Bxc5 Qxc5 13. Nc2 Rfd8 14. Qc1 Ne5 15. Ncd4 Nxf3+ 16. Bxf3 Bxf3 17. Nxf3 Rd6 18. Qc2 Rad8 19. Rad1 h6 20. Rxd6 Rxd6 21. Rd1 Rxd1+ 22. Qxd1 Qd5 23. Qxd5 Nxd5 24. g3 Kf8 25. Kf1 Ke7 26. Ke2 Kd6 27. Kd3 Ne7 28. c4 Nc6 29. a3 f6 30. b4 b6 31. Nd4 Ne5+ 32. Kc3 a6 33. a4 Nc6 34. Nxc6 Kxc6 35. f4 g6 36. Kd4 Kd6 37. g4 Kc6 38. h4 Kd6 39. g5 fxg5 40. fxg5 hxg5 41. hxg5 e5+ 42. Ke4 Ke6 43. c5 bxc5 44. bxc5 a5 45. c6 Kd6 46. c7 Kxc7 47. Kxe5 Kc6 48. Ke4 1-0

[Event "EU-ch rapid"]
[Site "Tallinn"]
[Date "2019.12.05"]
[Round "2"]
[White "Grewenig, Jan"]
[Black "Mohr, Georg"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2122"]
[BlackElo "2424"]
[PlyCount "65"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "EST"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. Bb5 a6 6. Bxc6+ bxc6 7. h3 Bh5 8. g4 Bg6 9. Qe2 e6 10. Nh4 d5 11. Nxg6 hxg6 12. Bg5 Be7 13. Bxf6 Bxf6 14. 0-0-0 Qd6 15. a3 Qf4+ 16. Kb1 Kd7 17. Rd3 Qg5 18. f4 Qh4 19. Na4 Be7 20. c4 dxe4 21. Qxe4 Qf2 22. Nc5+ Bxc5 23. dxc5+ Ke7 24. Qxc6 Rhd8 25. Qxc7+ Ke8 26. Rhd1 Rdc8 27. Qe5 Rab8 28. Qxg7 Qxf4 29. Qg8+ Ke7 30. Rd7+ Kf6 31. Qxf7+ Kg5 32. Qe7+ Kh6 33. Qh4# 1-0

[Event "Oberliga Sued W 1920"]
[Site "Germany"]
[Date "2019.11.24"]
[Round "3.6"]
[White "Grewenig, Jan"]
[Black "Jenner, Meikel"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2114"]
[BlackElo "1905"]
[PlyCount "90"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. Re1 Rfc8 12. Qe2 a6 13. Rad1 b5 14. f4 b4 15. Nd5 Nxd5 16. exd5 Nxd4 17. Bxd4 Bxd4+ 18. Rxd4 Qc5 19. Qd2 a5 20. Rxe7 Bb5 21. f5 a4 22. f6 axb3 23. Kh2 Qxd4 24. Qxd4 bxc2 25. Re1 c1Q 26. Rxc1 Rxc1 27. Qxb4 Bc4 28. b3 Ba6 29. Qf4 Rf1 30. Qxd6 Bd3 31. a4 Rf5 32. g4 Rf2+ 33. Kg3 Re2 34. Qf4 Kh8 35. Qc7 Kg8 36. d6 Ree8 37. Qc1 Kh8 38. b4 Rxa4 39. d7 Rg8 40. Qc7 Raa8 41. d8Q Raxd8 42. Qxf7 Be4 43. Qc7 Bd5 44. f7 Bxf7 45. Qxf7 Rgf8 1/2-1/2

[Event "Oberliga Sued W 1920"]
[Site "Germany"]
[Date "2019.09.29"]
[Round "1.5"]
[White "Leuranguer, Yannick"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2255"]
[BlackElo "2114"]
[PlyCount "83"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Nc3 e6 12. 0-0 Be7 13. Qg4 0-0 14. Bxc6 bxc6 15. Bh6 Bf6 16. Rfd1 Kh8 17. Ne4 Qd8 18. Bg5 Bxg5 19. Nxg5 h6 20. Nf3 Nd5 21. Ne5 Rc8 22. Rac1 Ne7 23. Rc5 Qd6 24. Qe4 Kg8 25. Rdc1 Rb8 26. b3 Rfd8 27. R1c4 Rb5 28. g3 Rxc5 29. Rxc5 Qxd4 30. Qxd4 Rxd4 31. Nxc6 Nxc6 32. Rxc6 a5 33. Kf1 Rd2 34. a4 Rb2 35. Rc5 Rxb3 36. Rxa5 g5 37. Ra7 Kg7 38. a5 Ra3 39. Ke2 Kf6 40. a6 h5 41. Ra8 Kf5 42. h3 1/2-1/2

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2019.04.18"]
[Round "1"]
[White "Esipenko, Andrey"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2616"]
[BlackElo "2140"]
[PlyCount "64"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 b5 7. a4 b4 8. Nd5 e6 9. Nxf6+ Qxf6 10. Be3 Bb7 11. Qd2 d5 12. 0-0-0 e5 13. exd5 exd4 14. Bg5 Qb6 15. Re1+ Kd7 16. Bd3 Bd6 17. Bf5+ Kc7 18. Bf4 Bxd5 19. a5 Qc5 20. Re7+ Kc6 21. Bxd6 Kxd6 22. Rhe1 Ra7 23. Re8 Rxe8 24. Rxe8 Qxa5 25. Qf4+ Kc5 26. Qxb8 Rc7 27. Re5 b3 28. Qxb3 Kd6 29. Qg3 Qa1+ 30. Kd2 Qa5+ 31. Kd1 Bf3+ 32. Re2+ Kd5 1-0

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "9.7"]
[White "Grewenig, Jan"]
[Black "Dausch, Rene"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2129"]
[BlackElo "2240"]
[PlyCount "57"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Worms"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 Qb6 9. Nf5 Qxb2 10. Nxg7+ Kf8 11. Nd5 Nxd5 12. Bxd5 Kxg7 13. Rb1 Qc3+ 14. Kf2 e6 15. Rb3 Qa5 16. Bxc6 bxc6 17. Qxd6 Rd8 18. Qf4 f6 19. h4 e5 20. Qh6+ Kg8 21. h5 Qc7 22. hxg6 Qg7 23. Qxh7+ Qxh7 24. Rxh7 Rd7 25. Rxd7 Bxd7 26. Rb7 Be6 27. a3 a5 28. g3 f5 29. Re7 1-0

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2019.03.24"]
[Round "8.4"]
[White "Grewenig, Jan"]
[Black "Frede, Lennart"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2129"]
[BlackElo "2167"]
[PlyCount "91"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Gau Algesheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 h6 8. Bh4 d6 9. Qe2 Be6 10. 0-0-0 0-0 11. Kb1 Re8 12. h3 Bxb3 13. axb3 Bd4 14. f3 a5 15. Nb5 Bb6 16. Be1 a4 17. b4 d5 18. Bc3 Qe7 19. exd5 Nxd5 20. Qxe7 Ncxe7 21. Bd3 a3 22. Bd2 axb2 23. Kxb2 Rad8 24. Rhe1 c6 25. Na3 Nc8 26. Nc4 Bc7 27. Rxe8+ Rxe8 28. Ra1 b5 29. Na5 Be5+ 30. c3 Nxb4 31. Be4 Nd6 32. Bxc6 Nxc6 33. Nxc6 Nc4+ 34. Kc2 Bf6 35. Kd3 Rc8 36. Nd4 Nxd2 37. Kxd2 b4 38. Ne2 bxc3+ 39. Kc2 Kf8 40. Ra3 Re8 41. Nxc3 Bxc3 42. Kxc3 Re2 43. g3 Rh2 44. Kd4 Rxh3 45. g4 Kg8 46. Ke4 1/2-1/2

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2019.02.24"]
[Round "7.6"]
[White "Schuetz, Thomas"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1905"]
[BlackElo "2129"]
[PlyCount "63"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Winterbach Turm"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 c5 3. dxc5 Qa5+ 4. c3 Qxc5 5. Nbd2 g6 6. Nb3 Qc7 7. Qc2 Bg7 8. e4 0-0 9. h3 d5 10. exd5 Nxd5 11. Bd3 Nc6 12. a3 Nf4 13. Bxf4 Qxf4 14. Be4 Kh8 15. g3 Qd6 16. g4 f5 17. gxf5 Bxf5 18. Nfd2 Bxe4 19. Nxe4 Qf4 20. Nbd2 b5 21. 0-0-0 a5 22. Rhg1 Ne5 23. Ng5 Qf6 24. f4 Nc6 25. Rg4 b4 26. Nde4 Qf5 27. Qg2 bxc3 28. bxc3 Rac8 29. Nxh7 Kxh7 30. Rd5 e5 31. Rd6 Bf6 32. Ng3 1-0

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2019.02.03"]
[Round "6.7"]
[White "Fink, Christian"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2136"]
[BlackElo "2129"]
[PlyCount "146"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Heimbach Weis/Neuwied"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be3 Nc6 6. Qd2 Nf6 7. Nc3 e6 8. 0-0-0 Qc7 9. Bf4 Ng4 10. Rg1 Nge5 11. Bxe5 dxe5 12. Nd5 exd5 13. exd5 Nd4 14. Nxd4 exd4 15. Qxd4 Bf5 16. Bd3 Bxd3 17. Rge1+ Be7 18. Rxd3 0-0 19. d6 Bxd6 20. Qxd6 Qa5 21. Qe5 Qxa2 22. h4 Rac8 23. Ra3 Qc4 24. Rc3 Qa4 25. Rxc8 Rxc8 26. b3 Qc6 27. Re2 h6 28. Qe4 Qf6 29. Kb1 Rd8 30. Re1 Qxf2 31. Qe7 Rd2 32. Rc1 Qxg2 33. Qe8+ Kh7 34. Qxf7 Qe4 35. h5 a5 36. Qc7 a4 37. Qc3 Qd4 38. Qg3 Re2 39. Qg6+ Kg8 40. Rf1 Re5 41. Qf7+ Kh8 42. Qg6 Qd8 43. bxa4 Qe7 44. Qf7 Qb4+ 45. Qb3 Qxb3+ 46. cxb3 b5 47. Rf8+ Kh7 48. a5 b4 49. a6 Ra5 50. Rb8 Rxa6 51. Rxb4 Kg8 52. Rh4 Kf7 53. b4 Kf6 54. Rg4 Ra3 55. Kb2 Rh3 56. Rf4+ Ke5 57. Rc4 Rg3 58. Rh4 Kf5 59. b5 Ke5 60. b6 Rd3 61. b7 Rd8 62. Rg4 Kf6 63. Rg6+ Kf7 64. Kc3 Rb8 65. Rb6 Ke8 66. Kd4 Kd8 67. Ke5 Kc7 68. Rb2 Rxb7 69. Rxb7+ Kxb7 70. Kf5 Kc7 71. Kg6 Kd7 72. Kxg7 Ke7 73. Kxh6 Kf6 1/2-1/2

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2019.01.20"]
[Round "5.7"]
[White "Grewenig, Jan"]
[Black "Tresch, Lukas"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2129"]
[BlackElo "2037"]
[PlyCount "115"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Frankenthal"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 d6 11. Qf2 Nb6 12. Be2 dxe5 13. Bb2 Bg7 14. 0-0 Qe6 15. Nd2 0-0 16. Ne4 Nd7 17. Rae1 f5 18. Ng5 Qe7 19. Nf3 e4 20. Bxg7 Kxg7 21. Nd4 Bb7 22. Qe3 Rad8 23. Rc1 c5 24. Nb5 c6 25. Nc3 Rfe8 26. Na4 Bc8 27. Rfd1 Nf8 28. Nxc5 Ne6 29. Na4 Qc7 30. g3 c5 31. Rd5 Bb7 32. Rdd1 Nd4 33. Nc3 Qa5 34. Kf2 Kg8 35. Rd2 Rd7 36. Rcd1 Red8 37. Nb5 Qb6 38. b4 Nc2 39. Rxd7 Rxd7 40. Qxc5 Qxc5+ 41. bxc5 e3+ 42. Kf1 Rd2 43. Rxd2 exd2 44. Nxa7 Ne3+ 45. Kf2 d1Q 46. Bxd1 Nxd1+ 47. Ke2 Nb2 48. c6 Ba6 49. c7 Nxc4 50. c8Q+ Bxc8 51. Nxc8 Kf7 52. Kd3 Na5 53. Kc3 Kf6 54. a4 g5 55. Kb4 Nb7 56. Kb5 gxf4 57. gxf4 Ke6 58. Kb6 1-0

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2018.12.16"]
[Round "4.6"]
[White "Grewenig, Jan"]
[Black "Haenssel, Christian"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2129"]
[BlackElo "2106"]
[PlyCount "49"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Saarbruecken Gambit"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e6 8. 0-0-0 h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Be7 12. h4 0-0 13. Be2 Re8 14. e5 Nh7 15. Kb1 f6 16. g4 fxe5 17. Bxe5 Bxh4 18. f4 Bf6 19. Bxf6 Nxf6 20. g5 d4 21. Qd3 Nd5 22. gxh6 dxc3 23. Rdg1 Ra7 24. hxg7 Rxg7 25. Qh7+ 1-0

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2018.11.25"]
[Round "3.6"]
[White "Busche, Stefan"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2057"]
[BlackElo "2129"]
[PlyCount "72"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Saarbruecken SVG"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 11. Bc4 0-0 12. 0-0 g6 13. Qe2 Bg7 14. Rfd1 b5 15. Bb3 Nc5 16. c4 Bg4 17. h3 Bxf3 18. Qxf3 Ne6 19. cxb5 axb5 20. Nc3 Nd4 21. Qd3 Rb8 22. Ne2 Kh8 23. Bd5 f5 24. Nxd4 exd4 25. b3 Qh4 26. Rf1 Rbc8 27. exf5 Rxf5 28. Be6 Rc3 29. Bxf5 Rxd3 30. Bxd3 Be5 31. a4 Qf4 32. g3 Qf3 33. Rfd1 Bxg3 34. fxg3 Qxg3+ 35. Kf1 Qf3+ 36. Kg1 Qg3+ 1/2-1/2

[Event "Oberliga Sued W 1819"]
[Site "Germany"]
[Date "2018.10.21"]
[Round "1.7"]
[White "Grewenig, Jan"]
[Black "Bernhardt, Rolf"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2129"]
[BlackElo "2242"]
[PlyCount "63"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Landau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 0-0 9. 0-0-0 d6 10. h3 Be6 11. f4 Na5 12. Qf3 Nc4 13. Bd4 Bxd4 14. Nxd4 Nb6 15. g4 Nc6 16. Nde2 Bc4 17. Ng3 h6 18. Nf5 Be6 19. Ne3 Ne5 20. Qg3 Nec4 21. Bxc4 Bxc4 22. h4 Qe6 23. g5 h5 24. Qf3 g6 25. b3 Ba6 26. Ncd5 Rfc8 27. e5 Nd7 28. exd6 cxd6 29. Rhe1 Kg7 30. Nc4 Qg4 31. Qc3+ Kh7 32. Re7 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2018.04.15"]
[Round "11.5"]
[White "Helbig, Daniel"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2159"]
[BlackElo "2089"]
[PlyCount "75"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Worms"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. d3 d5 5. 0-0 g6 6. Nbd2 Bg7 7. e4 0-0 8. Re1 e5 9. exd5 Nxd5 10. Nc4 Re8 11. c3 f6 12. d4 cxd4 13. Nxd4 Re7 14. Nxc6 bxc6 15. Be3 Ba6 16. Qa4 Bb5 17. Qb3 Rb8 18. Bc5 Rd7 19. Rad1 Ba6 20. Qa4 Bb5 21. Qb3 Ba6 22. Bb4 Kh8 23. Na5 Bb7 24. Nxb7 Rbxb7 25. Qa4 Qc8 26. Ba3 f5 27. Qc4 Rb8 28. Qc5 Rb5 29. Qc4 Rb8 30. Qa4 Rbb7 31. Qc4 Rb8 32. Qe2 Qb7 33. c4 Nf6 34. Qxe5 Rxd1 35. Rxd1 Ng4 36. Qe2 h5 37. b3 Qf7 38. Bxc6 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2018.03.18"]
[Round "10.6"]
[White "Schaefer, Jochen"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2133"]
[BlackElo "2089"]
[PlyCount "137"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Heimbach Weis/Neuwied"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 c5 5. e3 Be7 6. c3 0-0 7. Bd3 b6 8. Qe2 Bb7 9. Ne5 Ne4 10. Bf4 Nxd2 11. Kxd2 Qe8 12. Qh5 f5 13. Qxe8 Rxe8 14. h4 Nc6 15. Bb5 Rac8 16. Rag1 Nxe5 17. Bxe5 Bc6 18. Ba6 Rcd8 19. g4 Bd6 20. Bxd6 Rxd6 21. Bd3 Rf8 22. f4 Rd7 23. Rh2 Re7 24. b3 Rc7 25. h5 Rf6 26. Rhg2 Rff7 27. gxf5 exf5 28. Rg5 Bd7 29. dxc5 Rxc5 30. Be2 Kf8 31. a4 Be6 32. Kd3 Rfc7 33. Rc1 Kf7 34. Kd4 Kf6 35. b4 R5c6 36. Bb5 Rd6 37. Rg2 Rd8 38. Ra2 Bf7 39. Rh2 Rc4+ 40. Kd3 Rc7 41. Ra1 Rdc8 42. Ra3 Be6 43. Ba6 Rb8 44. Kd2 Bf7 45. Rh1 Be6 46. Be2 Rbc8 47. Rc1 g6 48. hxg6 hxg6 49. a5 Rh8 50. axb6 axb6 51. Ra6 Rc6 52. Bb5 Rh2+ 53. Kd3 Rd6 54. Rg1 Bf7 55. Ra7 Rh3 56. Rc7 Re6 57. Re1 Rg3 58. Rc6 g5 59. fxg5+ Rxg5 60. Ra1 Rg3 61. Rxe6+ Kxe6 62. Rf1 Ke5 63. Bd7 Bg6 64. Rf4 Rg2 65. Bc6 Bh5 66. c4 dxc4+ 67. Kxc4 Be2+ 68. Kc3 Rh2 69. Bd7 1/2-1/2

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2018.02.25"]
[Round "9.5"]
[White "Forthoffer, Patrick"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2188"]
[BlackElo "2089"]
[PlyCount "81"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Saarbruecken Gambit"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Bg7 10. g3 Nbd7 11. Kg2 0-0 12. a4 Ne8 13. Bd2 Nc7 14. h4 h6 15. Qe2 Rb8 16. Rhb1 Kh7 17. Nb5 Nxb5 18. axb5 Qb6 19. Ra5 Ra8 20. b4 cxb4 21. Rxa8 Rxa8 22. Rxb4 Rc8 23. Be3 Qa5 24. Rb1 Qa4 25. Nd2 Bd4 26. Bxd4 Qxd4 27. Nf3 Qc5 28. Qd3 Ra8 29. h5 Ra2 30. hxg6+ fxg6 31. Qd4 Ra7 32. Ng5+ Kg8 33. Ne6 Qxd4 34. Nxd4 Kf7 35. Nc6 Ra4 36. b6 Rxe4 37. b7 Re2 38. b8Q Nxb8 39. Rxb8 Rd2 40. Rb7 Re2 41. Kf1 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2018.02.04"]
[Round "8.5"]
[White "Grewenig, Jan"]
[Black "Bauer, Bjoern Benny"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2089"]
[BlackElo "2206"]
[PlyCount "63"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Gau Algesheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. Bb3 Rb8 11. Nxc6 bxc6 12. Bxa7 Rb7 13. Be3 c5 14. 0-0 Qc7 15. Rab1 Rfb8 16. Qe2 Rb4 17. Kh1 Be6 18. Bxe6 fxe6 19. b3 Nd7 20. a3 R4b7 21. Qc4 d5 22. exd5 Qe5 23. Bd2 Nb6 24. Qxc5 Rc7 25. Qb4 Rxc3 26. Bf4 Qe2 27. Rbe1 Qxc2 28. Bxb8 Nxd5 29. Qe4 Qxe4 30. fxe4 Ne3 31. Rf3 Rxb3 32. Bf4 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2018.01.21"]
[Round "7.8"]
[White "Grewenig, Jan"]
[Black "Busch, Raimund"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2089"]
[BlackElo "2262"]
[PlyCount "93"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Remagen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bd3 Ngf6 7. 0-0 Nxe4 8. Bxe4 c5 9. c3 cxd4 10. Nxd4 Nf6 11. Bf3 0-0 12. Qe2 a6 13. Bf4 Nd5 14. Bg3 Qa5 15. Nb3 Qd8 16. c4 Nf6 17. Rfd1 Qb6 18. c5 Qb5 19. Qe3 Rd8 20. Rxd8+ Bxd8 21. Rd1 Nd5 22. Bxd5 exd5 23. Be5 Be6 24. Qg3 f6 25. Nd4 Qd7 26. Nxe6 Qxe6 27. Bd6 Be7 28. Qb3 Re8 29. g3 Bxd6 30. cxd6 Qxd6 31. Rxd5 Qe6 32. Qxb7 Qe1+ 33. Kg2 Qe4+ 34. Kh3 Qe6+ 35. g4 Re7 36. Qb3 Kf7 37. Kg3 g6 38. Rd3 Qxb3 39. Rxb3 Re6 40. Rb7+ Kg8 41. a4 Re4 42. b3 Re6 43. a5 Rc6 44. b4 Rc4 45. f3 Rc3 46. b5 Ra3 47. bxa6 1-0

[Event "GER CupT 1718 prel6"]
[Site "Bann"]
[Date "2018.01.14"]
[Round "2.4"]
[White "Weiss, Matthias"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2050"]
[BlackElo "2111"]
[PlyCount "52"]
[EventDate "2018.01.13"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schoeneck"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nxc3 9. bxc3 Ne5 10. 0-0 g6 11. Nxe5 dxe5 12. Rb1 a6 13. Be3 Qa3 14. c4 Bg7 15. Bd2 a5 16. Rb6 Qxa2 17. d6 exd6 18. Rxd6 0-0 19. c5 e4 20. Be3 Be6 21. Bb5 a4 22. Qb1 Qxb1 23. Rxb1 Be5 24. Bd4 Bxd6 25. cxd6 Rfd8 26. Be5 a3 0-1

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2017.12.10"]
[Round "6.8"]
[White "Busche, Stefan"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2046"]
[BlackElo "2089"]
[PlyCount "96"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Saarbruecken SVG"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. f4 Nc6 10. Qe1 Qc7 11. Qg3 Re8 12. Kh1 Bd7 13. Rae1 b5 14. a3 Rab8 15. Bd3 b4 16. Nxc6 Bxc6 17. axb4 Rxb4 18. Bd2 Rxb2 19. e5 Nh5 20. Qg4 g6 21. f5 Bf8 22. fxg6 hxg6 23. Ne4 dxe5 24. Nf6+ Nxf6 25. Rxf6 e4 26. Bc3 Rb7 27. Bxa6 Ra7 28. Bc4 Ba4 29. Bxe6 Rxe6 30. Rxe6 Qxc3 31. R6xe4 Bxc2 32. Re8 Ra1 33. Qe2 Rxe1+ 34. Qxe1 Qc5 35. Re5 Qc7 36. Re8 Ba4 37. Re2 Bd6 38. h3 Bg3 39. Qa1 Bc6 40. Rc2 Qd7 41. Kg1 Be5 42. Qc1 Bb7 43. Qd2 Bd4+ 44. Kh2 Be4 45. Ra2 Qc7+ 46. Kh1 Qc4 47. Qa5 Qc1+ 48. Kh2 Bg1+ 0-1

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2017.11.26"]
[Round "5.8"]
[White "Grewenig, Jan"]
[Black "Schuh, Peter"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2089"]
[BlackElo "1913"]
[PlyCount "121"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Illingen Turm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Bg5 Qb6 7. Nb3 Ng4 8. Qf3 Be6 9. Nd5 Bxd5 10. exd5 Nce5 11. Qe2 Nf6 12. 0-0-0 0-0-0 13. Be3 Qa6 14. Qxa6 bxa6 15. Bxa7 Kb7 16. Bd4 Ra8 17. Na5+ Kc7 18. h4 g6 19. Rh3 Bh6+ 20. Kb1 Rhb8 21. Rc3+ Kd7 22. Bxe5 dxe5 23. Nc6 Rb6 24. Nxe5+ Ke8 25. Nc4 Rb7 26. g3 Ne4 27. Rf3 f5 28. c3 Rc7 29. Kc2 Rd8 30. Na5 Rd6 31. Bc4 Nc5 32. Re1 Rb6 33. Re2 Ne4 34. Rd3 Kf8 35. g4 Nd6 36. Bb3 fxg4 37. Rd4 Nf5 38. Rxg4 Bg7 39. Nc6 Bf6 40. Ree4 Rd7 41. Rgf4 Kg7 42. c4 Kh6 43. Ne5 Rc7 44. Ng4+ Kg7 45. Nxf6 Rxf6 46. Kc3 Nd6 47. Kb4 Nxe4 48. Rxe4 Rxf2 49. Ka5 Rf6 50. Ba4 h6 51. b4 g5 52. hxg5 hxg5 53. c5 Rf4 54. Rxf4 gxf4 55. c6 f3 56. Bd1 f2 57. Be2 Ra7 58. Kb6 Ra8 59. Kb7 Rh8 60. c7 Kf6 61. c8Q 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2017.11.12"]
[Round "4.7"]
[White "Grewenig, Jan"]
[Black "Hoffmann, Thomas"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2089"]
[BlackElo "2032"]
[PlyCount "67"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Altenkirchen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 g6 6. Be3 Bg7 7. Nc3 Nf6 8. Be2 0-0 9. 0-0 d6 10. f3 Nd7 11. Nd5 e6 12. Nxc6 bxc6 13. Nc3 Qe7 14. Qd2 Bb7 15. Rad1 d5 16. cxd5 exd5 17. exd5 Rfe8 18. Bd4 cxd5 19. Rfe1 Bxd4+ 20. Qxd4 Qc5 21. Nxd5 Qxd4+ 22. Rxd4 Bxd5 23. Rxd5 Nb6 24. Rd2 Nc4 25. Rc2 Ne3 26. Rcc1 Nf5 27. Bd3 Rxe1+ 28. Rxe1 Nd6 29. Re5 a5 30. Rd5 Ne8 31. Rd7 Rc8 32. b3 Rc7 33. Rd8 Kf8 34. Bb5 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2017.10.22"]
[Round "3.8"]
[White "Grewenig, Jan"]
[Black "Roj, Michaela"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2089"]
[BlackElo "1936"]
[PlyCount "47"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Trier"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 d6 9. 0-0-0 0-0 10. h3 Ng6 11. g3 Qe7 12. f4 f5 13. h4 Qf7 14. Bxb6 axb6 15. exf5 Bxf5 16. h5 Nge7 17. a3 Be6 18. h6 g6 19. Ne4 Bxb3 20. Ng5 Qf5 21. cxb3 Rf6 22. Bh3 Qc5+ 23. Kb1 Nf5 24. Ne6 1-0

[Event "Oberliga Sued W 1718"]
[Site "Germany"]
[Date "2017.09.10"]
[Round "1.8"]
[White "Koehler, Patrick"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2096"]
[BlackElo "2089"]
[PlyCount "83"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Landau"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Bg7 8. Nf3 0-0 9. a4 Qxb6 10. a5 Qb4 11. Ra4 Qb7 12. Ra3 Bd7 13. Bc4 Qb4 14. Nd2 Bh6 15. Qe2 Bb5 16. Bxb5 axb5 17. 0-0 c4 18. e5 Bxd2 19. Bxd2 dxe5 20. Qxe5 Nbd7 21. Qd4 Qc5 22. Qxc5 Nxc5 23. Nxb5 Rfb8 24. Nc3 Rxb2 25. Be3 Nb3 26. a6 Rc2 27. Nb5 Nxd5 28. Rd1 Rb2 29. h4 Nxe3 30. fxe3 Nc5 31. Nc7 Ra7 32. Rd8+ Kg7 33. Rc8 Rb3 34. Ra5 Nd7 35. Nb5 Rxa6 36. Rxa6 Rxb5 37. Rxc4 Rb7 38. Ra3 h5 39. Rca4 Ne5 40. Kh2 e6 41. Kg3 Ng4 42. Kf3 1/2-1/2

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2017.05.07"]
[Round "9.7"]
[White "Schlosser, Philipp"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "D98"]
[WhiteElo "2520"]
[BlackElo "2118"]
[PlyCount "45"]
[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 "Deizisau"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. d4 Bg7 7. e4 0-0 8. Be3 Bg4 9. 0-0-0 Nc6 10. d5 Ne5 11. h3 Bxf3 12. gxf3 Qc8 13. f4 Ned7 14. Kb1 c6 15. Rc1 Qb8 16. Bg2 cxd5 17. Nxd5 Nxd5 18. Qxd5 Rd8 19. Rhd1 e6 20. Qb3 e5 21. fxe5 Qxe5 22. f4 Qh5 23. Rc7 1-0

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2017.03.19"]
[Round "7.7"]
[White "Mueller, Achim"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2148"]
[BlackElo "2118"]
[PlyCount "64"]
[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 "Schoeneck"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. e4 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. c3 Nge7 8. a4 0-0 9. Na3 h6 10. Re1 Be6 11. Rb1 a5 12. b3 f5 13. exf5 gxf5 14. Nh4 Qd7 15. Nc4 Rab8 16. f4 b5 17. axb5 Rxb5 18. Qc2 Rfb8 19. Bd2 Kh8 20. Kh1 Bg8 21. Kg1 e4 22. Bh3 d5 23. Ne3 Be6 24. dxe4 dxe4 25. Nc4 Bxc4 26. bxc4 Rxb1 27. Rxb1 Rxb1+ 28. Qxb1 Qxd2 29. Nxf5 Nxf5 30. Bxf5 Qe3+ 31. Kg2 Qf3+ 32. Kg1 Bxc3 0-1

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2017.02.19"]
[Round "6.5"]
[White "Grewenig, Jan"]
[Black "Libiszewski, Fabien"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2118"]
[BlackElo "2545"]
[PlyCount "124"]
[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 "Schwarzenbach"]
[BlackTeam "Viernheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nd5 Nf6 9. Nxe7 Qxe7 10. Bd3 h6 11. Nc4 Bg4 12. f3 Be6 13. Nb6 Rd8 14. c4 Nd7 15. Nd5 Qh4+ 16. g3 Qh3 17. Bf1 Qh5 18. Nc7+ Ke7 19. Nxe6 fxe6 20. Be3 g5 21. Bg2 Nf6 22. Qb3 Rd7 23. 0-0 Qg6 24. Rad1 Rc8 25. Qb6 Nd8 26. b3 Rc6 27. Qa5 Nf7 28. f4 gxf4 29. gxf4 Ng4 30. Ba7 b5 31. Bb6 Rb7 32. Bf2 exf4 33. Bh4+ Ke8 34. Rxf4 Ne3 35. Rd2 Ng5 36. Kh1 e5 37. Rf5 Qh5 38. Bxg5 hxg5 39. Bf3 Qh4 40. Re2 Nxf5 41. exf5 Rbc7 42. Bxc6+ Rxc6 43. Qd2 Qf4 44. Qe1 bxc4 45. Rf2 Qh4 46. bxc4 Qxc4 47. Rd2 Qc1 48. Rd1 Qf4 49. Qe2 Ke7 50. f6+ Qxf6 51. Rf1 Qg6 52. Qf3 Rc7 53. Qf8+ Ke6 54. Kg1 g4 55. Qd8 Rd7 56. Qa8 g3 57. h4 g2 58. Rf2 Qb1+ 59. Kxg2 Qb7+ 60. Qxb7 Rxb7 61. Kg3 Rg7+ 62. Kh3 e4 0-1

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2017.02.05"]
[Round "5.6"]
[White "Grewenig, Jan"]
[Black "Schenderowitsch, Michael"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2118"]
[BlackElo "2343"]
[PlyCount "109"]
[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 "Schwarzenbach"]
[BlackTeam "Schott Mainz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. c3 c5 5. exd5 Qxd5 6. Ngf3 cxd4 7. Bc4 Qc6 8. 0-0 dxc3 9. bxc3 Qc7 10. Qe2 Nf6 11. Ne5 Bd6 12. f4 0-0 13. Ne4 Nxe4 14. Qxe4 Nd7 15. Re1 Nf6 16. Qe2 Bd7 17. Bd2 Rae8 18. Bd3 Bc6 19. c4 Bc5+ 20. Kh1 Rd8 21. Rad1 Ba4 22. Rb1 Rfe8 23. Rf1 Bc6 24. Rb3 b6 25. Bb1 Be4 26. Ng4 Nxg4 27. Bxe4 f5 28. Bf3 Nf6 29. Be1 Rd6 30. Bh4 Qf7 31. Rfb1 Red8 32. Be1 Nd7 33. a4 a5 34. Rd1 Bd4 35. Rbb1 Nc5 36. Qc2 Qf6 37. Rb5 Be3 38. Rdb1 Nd7 39. g3 Bc5 40. Bc3 Bd4 41. Bxd4 Rxd4 42. c5 Nxc5 43. Rxb6 Ne4 44. Bxe4 Rxe4 45. Rb8 Rxb8 46. Rxb8+ Kf7 47. Kg2 Qa1 48. Rb5 Qe1 49. Rb2 Kg6 50. Qd3 Re3 51. Qb5 Kh6 52. Kh3 Qd1 53. Rf2 Qe1 54. Kg2 Qc3 55. Kh3 1/2-1/2

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2017.01.15"]
[Round "4.6"]
[White "Hacker, Jonas"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2382"]
[BlackElo "2118"]
[PlyCount "67"]
[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 "Eppingen"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 e6 8. 0-0-0 Be7 9. f4 Qc7 10. g4 h6 11. Bxf6 gxf6 12. Bg2 Nb6 13. Rd3 Bd7 14. b3 0-0-0 15. Kb1 Kb8 16. Bf3 Rc8 17. Rc1 Qc5 18. Qd2 Rc7 19. Nce2 h5 20. gxh5 f5 21. Ng3 fxe4 22. Nxe4 Qa3 23. c4 d5 24. Nc2 dxe4 25. Nxa3 exd3 26. c5 Bxc5 27. Qxd3 Rhc8 28. Nc4 Bb5 29. h6 Bf8 30. h7 Nxc4 31. bxc4 Bg7 32. Qd6 Ka8 33. Qxc7 Rxc7 34. Rg1 1-0

[Event "Staufer op 29th"]
[Site "Schwaebisch Gmuend"]
[Date "2017.01.04"]
[Round "5"]
[White "Grewenig, Jan"]
[Black "Pfreundt, Jakob"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2141"]
[BlackElo "2347"]
[PlyCount "100"]
[EventDate "2017.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Qe7 3. Nc3 c6 4. d4 d6 5. Be3 Nf6 6. Qd2 Qc7 7. h3 b5 8. a3 a6 9. g4 Be7 10. g5 Nfd7 11. Nh4 g6 12. f4 h6 13. fxe5 dxe5 14. d5 hxg5 15. Bxg5 Bxg5 16. Qxg5 Qd6 17. 0-0-0 c5 18. Bxb5 axb5 19. Nxb5 Qf6 20. Nf3 Qxg5+ 21. Nxg5 0-0 22. h4 Nf6 23. Rdf1 Nh5 24. Nxf7 Rxf7 25. Rxf7 Kxf7 26. Nd6+ Kg7 27. Nxc8 Nd7 28. Nd6 Ra4 29. Kd2 Ndf6 30. b4 cxb4 31. axb4 Rxb4 32. c4 Rb6 33. c5 Rxd6 34. cxd6 Nxe4+ 35. Kc2 Nxd6 36. Kb3 Kh6 37. Kb4 Ng3 38. Re1 e4 39. Kc3 Ngf5 40. Rh1 Kh5 41. Kd2 Nxh4 42. Ke3 Kg5 43. Kd4 Nhf5+ 44. Ke5 Nc4+ 45. Ke6 Nd4+ 46. Ke7 e3 47. Rg1+ Kf5 48. Rf1+ Ke5 49. Rg1 e2 50. Kf7 Nf3 0-1

[Event "Staufer op 29th"]
[Site "Schwaebisch Gmuend"]
[Date "2017.01.02"]
[Round "1"]
[White "Grewenig, Jan"]
[Black "Hahn, Markus"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2141"]
[BlackElo "2324"]
[PlyCount "74"]
[EventDate "2017.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Rd1 0-0 11. Be3 Nc6 12. Nxc6 Qxc6 13. Bd4 Nd7 14. Bxg7 Kxg7 15. Qd2 Ne5 16. Be2 Rd8 17. Qd4 f6 18. f4 Nf7 19. Kh1 b6 20. Rac1 Bb7 21. b3 Rac8 22. Bg4 Re8 23. Nd5 exd5 24. Bxc8 Rxc8 25. exd5 Qc5 26. Qd2 a5 27. Re1 Rc7 28. h3 h5 29. g4 hxg4 30. hxg4 Bc8 31. g5 fxg5 32. Qb2+ Kf8 33. Rc2 gxf4 34. Qf6 Bg4 35. Qxg6 Bf3+ 36. Kh2 Qd4 37. Rg1 Qh8+ 0-1

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2016.12.04"]
[Round "3.7"]
[White "Grewenig, Jan"]
[Black "Heinz, Timothee"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "2118"]
[BlackElo "2346"]
[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 "Schwarzenbach"]
[BlackTeam "Untergrombach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bd3 Nb4 7. Be2 c5 8. c3 Nc6 9. 0-0 g6 10. Re1 Bg7 11. Nf1 0-0 12. Ne3 f6 13. exf6 Nxf6 14. dxc5 Qe7 15. b4 Ne4 16. Nxd5 exd5 17. Qxd5+ Kh8 18. Bd3 Nxc3 19. Qc4 Qf7 20. Qxf7 Rxf7 21. Bb2 Bg4 22. Ng5 Rd7 23. Bc4 h6 24. Ne6 Bxe6 25. Rxe6 Rad8 26. g3 Rd2 27. Rae1 Rxb2 28. Re8+ Bf8 29. Rxd8 Nxd8 30. Re8 Kg7 31. Rxd8 Rxb4 32. Rd7+ Kf6 33. Rf7+ Ke5 34. Bd3 Bxc5 35. Bxg6 Nxa2 36. Rf5+ Kd6 37. Rf6+ Ke7 38. Rf7+ Ke6 39. Rh7 Rb2 40. Rxh6 Rxf2 41. Kh1 b6 42. g4 Nc3 43. h4 Ke5 44. Rh7 Ne2 0-1

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2016.11.20"]
[Round "2.7"]
[White "Hommeles, Theo"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2384"]
[BlackElo "2118"]
[PlyCount "78"]
[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 "Emmendingen"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 Nc6 7. Bc4 Qa5 8. Nb3 Qc7 9. Nd5 Nxd5 10. exd5 Nb4 11. Qe2 Bf5 12. Nd4 Be4 13. Bb3 Bxd5 14. c4 Nc6 15. Nb5 axb5 16. cxd5 Nd4 17. Qd3 Qc5 18. Bd2 Nxb3 19. Qxb3 Qc4 20. Rc1 Qxb3 21. axb3 Kd7 22. Ke2 g6 23. Bc3 Bh6 24. Bxh8 Bxc1 25. Rxc1 Rxh8 26. Ra1 Rc8 27. Ra7 Kc7 28. Kd3 Kb6 29. Ra1 Rc5 30. Kd4 Rc2 31. Re1 Rxb2 32. Rxe7 Rxf2 33. Rd7 Rd2+ 34. Kc3 Rxd5 35. Rxf7 h5 36. h4 b4+ 37. Kc4 Re5 38. Rf6 Kc6 39. Kxb4 Re4+ 0-1

[Event "BL2-Sued 1617"]
[Site "Germany"]
[Date "2016.10.16"]
[Round "1.7"]
[White "Grewenig, Jan"]
[Black "Schnadt, Florian"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2118"]
[BlackElo "2140"]
[PlyCount "39"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach"]
[BlackTeam "Schoenaich"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. c4 b6 8. Qe2 d6 9. Nc3 Be7 10. Bd2 Bb7 11. f4 Nbd7 12. Rae1 Rd8 13. Nd5 exd5 14. exd5 0-0 15. Nf5 Rfe8 16. Nxe7+ Kf8 17. Rf3 Nc5 18. Re3 Nxd3 19. Qxd3 g6 20. Qd4 1-0

[Event "Oberliga Sued W 1516"]
[Site "Germany"]
[Date "2016.04.10"]
[Round "9.7"]
[White "Stewart, Neil"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2239"]
[BlackElo "2075"]
[PlyCount "72"]
[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 "Koblenz"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. d3 a6 8. Rb1 d5 9. cxd5 Nxd5 10. Bd2 e6 11. Qb3 Nde7 12. Ne4 h6 13. Rfd1 e5 14. Bc3 Be6 15. Qa3 Bd5 16. Nc5 Nd4 17. e4 Bc6 18. Bxd4 exd4 19. Nb3 b6 20. Nbxd4 Bb7 21. Ne2 Re8 22. Qb3 c5 23. Rbc1 Nc6 24. Nf4 Rb8 25. a3 Bc8 26. Qc2 Bg4 27. Ne2 Bxf3 28. Bxf3 Qf6 29. Bg2 Qxb2 30. a4 Qa3 31. Qc4 a5 32. Qb5 Rec8 33. Rc2 Nb4 34. Rcd2 Rd8 35. d4 cxd4 36. Nxd4 Bxd4 0-1

[Event "Oberliga Sued W 1516"]
[Site "Germany"]
[Date "2016.01.17"]
[Round "5.7"]
[White "Lisanti, Marco"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2061"]
[BlackElo "2075"]
[PlyCount "62"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Schott Mainz II"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. b3 d6 7. Bb2 Nbd7 8. Nc3 g6 9. e4 Bxf1 10. Kxf1 Bg7 11. Qe2 0-0 12. Nf3 Qa5 13. Nd2 Nb6 14. Rc1 Rfb8 15. g3 c4 16. Nxc4 Nxc4 17. Qxc4 Rb4 18. Qc6 Nxe4 19. Nxe4 Bxb2 20. Rc2 Rxe4 21. Rxb2 Ra6 22. Qc8+ Kg7 23. f3 Qe1+ 24. Kg2 Re2+ 25. Rxe2 Qxe2+ 26. Kh3 Rxa2 27. Qc3+ f6 28. Kg4 h5+ 29. Kf4 g5+ 30. Kf5 Rd2 31. Qa5 Qe5# 0-1

[Event "Oberliga Sued W 1516"]
[Site "Germany"]
[Date "2015.12.13"]
[Round "4.6"]
[White "Grewenig, Jan"]
[Black "Ronge, Tim Hendrick"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2075"]
[BlackElo "1927"]
[PlyCount "75"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Heimbach Weis/Neuwied"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Bd3 0-0 11. Be3 a6 12. Nc3 f5 13. f3 Bg5 14. Qd2 Bxe3 15. Qxe3 Nd7 16. 0-0 Nc5 17. Bc2 f4 18. Qf2 a5 19. b3 Bf5 20. Bxf5 Rxf5 21. Rab1 Rf6 22. a3 Qe7 23. b4 axb4 24. axb4 Nd7 25. Ne4 Rg6 26. c5 dxc5 27. bxc5 Nf6 28. d6 Nxe4 29. fxe4 Qd7 30. Qb2 f3 31. Rxf3 Qg4 32. Rf2 Qxe4 33. Qxb7 Qxb7 34. Rxb7 Ra1+ 35. Rf1 Rxf1+ 36. Kxf1 Rf6+ 37. Ke2 Kf8 38. Rb8+ 1-0

[Event "Oberliga Sued W 1516"]
[Site "Germany"]
[Date "2015.11.15"]
[Round "3.7"]
[White "Grewenig, Jan"]
[Black "Panfilenko, Wladimir"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2075"]
[BlackElo "1887"]
[PlyCount "61"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Schwarzenbach Caissa"]
[BlackTeam "Saarbruecken Gambit"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d4 e6 8. Nd2 Ne7 9. 0-0 Ng6 10. Ndf3 Bd6 11. Qe2 Nxe5 12. Nxe5 0-0 13. Bf4 Qf6 14. Bg3 Bxe5 15. dxe5 Qg6 16. Rfd1 f5 17. exf6 Rxf6 18. Rd4 Raf8 19. Re1 Kh8 20. Rg4 Qf5 21. Be5 R6f7 22. f3 Rc8 23. Bc3 Bd7 24. Qd2 Rc4 25. Re5 Qf6 26. Rxd5 Rxc3 27. Rxd7 Rc8 28. Rgd4 Rxd7 29. Rxd7 b6 30. c3 h6 31. Rxa7 1-0

[Event "Oberliga Sued W 1516"]
[Site "Germany"]
[Date "2015.11.08"]
[Round "2.7"]
[White "Carow, Annelen"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "2114"]
[BlackElo "2075"]
[PlyCount "68"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Heidesheim"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. bxc3 Qd6 10. Rb1 b6 11. Bg2 Nge7 12. Qa4 0-0 13. 0-0 Qg6 14. Kh1 Qd3 15. Rbd1 Rad8 16. f4 b5 17. Qa6 exd4 18. cxd4 Rd6 19. Bc1 Qf5 20. Qa3 Qh5 21. Qb2 Nf5 22. d5 Rh6 23. h3 Nh4 24. f3 Rg6 25. Rf2 Rd8 26. Kh2 Nxg2 27. Rxg2 Qxf3 28. Rxg6 hxg6 29. Rd3 Rxd5 30. Rxd5 Qxd5 31. Kg3 Ne7 32. Qc2 Nf5+ 33. Kf2 c5 34. Bb2 Qg2+ 0-1

[Event "Oberliga Sued W 1516"]
[Site "Germany"]
[Date "2015.09.20"]
[Round "1.6"]
[White "Schluchter, Steffen"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2174"]
[BlackElo "2075"]
[PlyCount "95"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Worms"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 0-0 6. Be2 Nc6 7. 0-0 Qe8 8. c4 e5 9. Bh2 Ne4 10. d5 Nb8 11. Nbd2 Nxd2 12. Qxd2 f5 13. b4 a5 14. a3 Nd7 15. Rac1 b6 16. Rfd1 Qe7 17. Qc2 Ra7 18. Qb3 Kh8 19. Bf1 Bb7 20. Ne1 g5 21. Qc2 Qf7 22. Be2 axb4 23. axb4 Rfa8 24. Rd2 e4 25. Qd1 f4 26. Bg4 fxe3 27. fxe3 Ne5 28. Rf2 Qe7 29. Be6 Rf8 30. Rxf8+ Qxf8 31. Qc2 Qf6 32. c5 bxc5 33. bxc5 dxc5 34. Bxe5 Qxe5 35. Qxc5 Ra1 36. Qb5 Bf6 37. Qe8+ Kg7 38. Qf7+ Kh6 39. Bf5 Bg7 40. Bg4 Bf6 41. Bf5 Bg7 42. Bg4 Bf6 43. Rxc7 Rxe1+ 44. Kf2 Rf1+ 45. Kxf1 Ba6+ 46. Be2 Bxe2+ 47. Kf2 Qf5+ 48. Kxe2 1-0

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2015.03.15"]
[Round "8.7"]
[White "Grewenig, Jan"]
[Black "Kaster, Juergen"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2036"]
[BlackElo "2122"]
[PlyCount "69"]
[EventDate "2014.09.21"]
[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 "Schwarzenbach Caissa"]
[BlackTeam "Heimbach Weis/Neuwied"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Ne7 7. Bg5 f6 8. Bf4 Nbc6 9. Qh5+ Kf8 10. Nb5 Qe8 11. Qf3 Ng6 12. Bc7 Nge5 13. Qe2 Qg6 14. 0-0-0 Bxc7 15. Nxc7 Rb8 16. f4 Nf7 17. Kb1 f5 18. e5 Qg4 19. Qd2 g5 20. g3 b6 21. Bb5 Kg7 22. Bxc6 dxc6 23. Nd4 Nd8 24. Nb3 Rb7 25. Qd6 Rf8 26. Qe7+ Nf7 27. Ne8+ Rxe8 28. Qxe8 Rc7 29. Nd4 h6 30. Nxe6+ Bxe6 31. Qxe6 gxf4 32. gxf4 Qxf4 33. Qf6+ Kh7 34. e6 Qg5 35. Qxg5 1-0

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2015.02.22"]
[Round "7.6"]
[White "Grewenig, Jan"]
[Black "Kahler, Heinz"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2036"]
[BlackElo "2010"]
[PlyCount "105"]
[EventDate "2014.09.21"]
[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 "Schwarzenbach Caissa"]
[BlackTeam "Schott Mainz II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bd3 d6 7. 0-0 Ne7 8. Kh1 Ng6 9. f4 0-0 10. Nd2 f5 11. exf5 Bxf5 12. Bxf5 Rxf5 13. Ne4 Bb6 14. Qd3 Qd7 15. Ng3 Rf7 16. f5 Ne5 17. Qe2 Re8 18. Bf4 g6 19. Rad1 Qe7 20. Bxe5 Qxe5 21. Qc4 Qb5 22. Qg4 Ref8 23. Rf3 Qxb2 24. fxg6 Rxf3 25. gxh7+ Kh8 26. gxf3 Qxc2 27. Re1 Qxh7 28. Re6 Rg8 29. Qe4 Qxe4 30. fxe4 Rg7 31. Kg2 Kg8 32. h4 Kf7 33. Rh6 Be3 34. Rh5 Ke6 35. Kf3 Bd2 36. Nf5 Rf7 37. Ke2 Bc3 38. Kd3 Bf6 39. Rh6 Ke5 40. Nd4 c5 41. Rh5+ Kf4 42. Rf5+ Kg4 43. Ne6 d5 44. Rf4+ Kh5 45. e5 c4+ 46. Kc2 Kg6 47. Rxf6+ Rxf6 48. exf6 c6 49. Nd8 Kxf6 50. Nxc6 Kg6 51. Nxa7 Kh5 52. Nb5 Kxh4 53. a4 1-0

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2015.02.01"]
[Round "6.7"]
[White "Grewenig, Jan"]
[Black "Carow, Annelen"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2036"]
[BlackElo "2034"]
[PlyCount "76"]
[EventDate "2014.09.21"]
[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 "Schwarzenbach Caissa"]
[BlackTeam "Heidesheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Bf3 d6 7. Nc3 Be7 8. Be3 Nbd7 9. g4 Ne5 10. Be2 Qc7 11. g5 Nfd7 12. f4 Nc4 13. Bc1 b5 14. Qd3 Bb7 15. f5 Nc5 16. Qh3 e5 17. Bxc4 bxc4 18. Nde2 Nxe4 19. Rf1 Nxc3 20. Nxc3 d5 21. f6 gxf6 22. gxf6 Bf8 23. Be3 Qd7 24. Qh5 Bd6 25. 0-0-0 Bc7 26. Bc5 0-0-0 27. Be7 Qe6 28. Na4 Bd6 29. Bxd8 Rxd8 30. Qxh7 Bc6 31. Nc3 Bb4 32. Qf5 Qxf5 33. Rxf5 d4 34. Ne2 Bd6 35. Rh5 Bf3 36. Rh7 Bxe2 37. Rg1 d3 38. Rxf7 Bc5 0-1

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2015.01.18"]
[Round "5.8"]
[White "Grewenig, Jan"]
[Black "Biehler, Thomas"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2036"]
[BlackElo "2254"]
[PlyCount "107"]
[EventDate "2014.09.21"]
[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 "Schwarzenbach Caissa"]
[BlackTeam "Illingen Turm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Bc4 Nd7 7. Nf3 g6 8. 0-0 Bg7 9. Bb3 0-0 10. c4 N5b6 11. Nc3 Nf6 12. h3 Be6 13. Qe2 a5 14. a4 h6 15. Ne5 g5 16. Rd1 Nfd7 17. Bc2 Nxe5 18. dxe5 Qc7 19. f4 Rfd8 20. b3 Rxd1+ 21. Nxd1 Rd8 22. Qe4 Nd7 23. Nf2 Nf8 24. g3 f5 25. exf6 exf6 26. Qf3 b5 27. Be3 bxc4 28. bxc4 Bxc4 29. Rb1 Bd5 30. Be4 Qf7 31. Rb6 Re8 32. Bxd5 Qxd5 33. Qxd5+ cxd5 34. Bd2 f5 35. Kf1 gxf4 36. gxf4 Ne6 37. Rd6 d4 38. Rd5 Rc8 39. Nd3 Bf8 40. Rxa5 Nc5 41. Nxc5 Bxc5 42. Ke2 Kf7 43. Ra6 Rd8 44. Kd3 Bd6 45. a5 h5 46. Rb6 Ke7 47. Rb5 Ke6 48. a6 Ra8 49. Ra5 Bc7 50. Ra4 Bb6 51. Kc4 Ba7 52. Ra5 Rc8+ 53. Kd3 Rc6 54. Bb4 1/2-1/2

[Event "Staufer op-A 27th"]
[Site "Schwaebisch Gmuend"]
[Date "2015.01.05"]
[Round "7"]
[White "Stark, Lars"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2454"]
[BlackElo "2015"]
[PlyCount "49"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. a3 b6 6. e3 Bb7 7. Nge2 d6 8. d4 Qd7 9. d5 Na5 10. b3 Nf6 11. Rb1 e6 12. e4 exd5 13. exd5 0-0 14. 0-0 Bc8 15. h3 Ne8 16. Bf4 a6 17. a4 Nc7 18. Ne4 Nb7 19. Bh6 f5 20. Bxg7 Qxg7 21. Ng5 Re8 22. Nf4 Nd8 23. Re1 Rxe1+ 24. Qxe1 Qe5 25. Qxe5 1-0

[Event "Staufer op-A 27th"]
[Site "Schwaebisch Gmuend"]
[Date "2015.01.04"]
[Round "6"]
[White "Grewenig, Jan"]
[Black "Bergauz, Noam"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2015"]
[BlackElo "2264"]
[PlyCount "46"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. h4 cxd4 9. cxd4 Bb4+ 10. Kf2 Nf8 11. a3 Be7 12. b4 Bd7 13. Be3 f6 14. Bd3 a5 15. b5 Nd8 16. a4 Nf7 17. g4 Nh6 18. Kg3 f5 19. g5 Ng4 20. Bd2 h5 21. Ne2 Ng6 22. Qb3 Kf7 23. Rhc1 Rhc8 1/2-1/2

[Event "Staufer op-A 27th"]
[Site "Schwaebisch Gmuend"]
[Date "2015.01.04"]
[Round "5"]
[White "Hager, Joshua Aarash"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2189"]
[BlackElo "2015"]
[PlyCount "79"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. g3 cxd4 5. Nxd4 Bg7 6. Bg2 0-0 7. Nc3 Nc6 8. 0-0 d6 9. Nxc6 bxc6 10. Bxc6 Rb8 11. Bg2 Qa5 12. Nb5 Bb7 13. Qe1 Qa6 14. f3 d5 15. a4 dxc4 16. e4 Bc6 17. Be3 Nd7 18. Qb4 Ne5 19. Qxe7 Rb7 20. Qc5 Bxb5 21. axb5 Qxb5 22. Qxb5 Rxb5 23. Rxa7 Rxb2 24. Rc7 Rd8 25. f4 Ng4 26. Bc5 Bd4+ 27. Bxd4 Rxd4 28. e5 Ne3 29. Rf2 Rd1+ 30. Bf1 Rxf2 31. Kxf2 Nxf1 32. Rc8+ Kg7 33. Rc7 Nxh2 34. e6 Ng4+ 35. Kf3 Nh6 36. g4 c3 37. f5 Kf6 38. g5+ Kxg5 39. exf7 Nxf7 40. Rxf7 0-1

[Event "Staufer op-A 27th"]
[Site "Schwaebisch Gmuend"]
[Date "2015.01.03"]
[Round "3"]
[White "Mueller, Ralf1111"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2389"]
[BlackElo "2015"]
[PlyCount "61"]
[EventDate "2015.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Ng5 h6 8. Nh3 Qc7 9. cxd5 d6 10. 0-0 g6 11. Bf4 Bg7 12. Na3 0-0 13. Nb5 Qd7 14. Nxd6 Ba6 15. Qc2 Nh5 16. Ne4 Nxf4 17. Nxf4 Bb7 18. Rad1 Na6 19. Nc3 Nc7 20. e4 Qd6 21. Nfe2 b5 22. f4 c4 23. e5 Qb6+ 24. Kh1 b4 25. Na4 Qb5 26. Nd4 Qa5 27. Nc6 Qb5 28. Ne7+ Kh8 29. b3 cxb3 30. axb3 Qd7 31. Nc5 1-0

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2014.12.07"]
[Round "4.7"]
[White "Grewenig, Jan"]
[Black "Martin, Mike"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "2036"]
[BlackElo "2112"]
[PlyCount "28"]
[EventDate "2014.09.21"]
[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 "Schwarzenbach Caissa"]
[BlackTeam "Worms"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Nd7 10. 0-0-0 Nb6 11. Bb3 Na5 12. Bh6 Nbc4 13. Qg5 e5 14. Nde2 Bf6 0-1

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2014.11.09"]
[Round "3.7"]
[White "Busche, Stefan"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2108"]
[BlackElo "2036"]
[PlyCount "89"]
[EventDate "2014.09.21"]
[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 "Saarbruecken SVG"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 b6 3. d4 cxd4 4. cxd4 Bb7 5. Nc3 e6 6. Nf3 d6 7. Bd3 Nf6 8. 0-0 Be7 9. Re1 0-0 10. Bf4 a6 11. Qe2 b5 12. a3 Nbd7 13. Rad1 Qb6 14. e5 dxe5 15. dxe5 Nd5 16. Nxd5 Bxd5 17. Ng5 Bxg5 18. Bxg5 Qb7 19. Qg4 f5 20. exf6 Nxf6 21. Qh3 h6 22. Be3 Qf7 23. Bc5 Rfc8 24. b4 Rd8 25. Qh4 Bb3 26. Rd2 Rd5 27. Be4 Rh5 28. Qxh5 Qxh5 29. Bxa8 Bd5 30. Bxd5 exd5 31. f3 Qg5 32. Red1 Kf7 33. g3 Qf5 34. Kg2 h5 35. Bd4 Ne8 36. Bc5 Nf6 37. Bd4 Ne8 38. h4 Nd6 39. Bc5 Nc4 40. Rxd5 Qc2+ 41. Kg1 Ne5 42. Rf1 Ke6 43. Rd6+ Kf5 44. Bd4 Qe2 45. Rd5 1-0

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2014.10.19"]
[Round "2.7"]
[White "Weiskopf, Philip Michael"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1526"]
[BlackElo "2036"]
[PlyCount "46"]
[EventDate "2014.09.21"]
[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 "Mutterstadt"]
[BlackTeam "Schwarzenbach Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Re1 Qa5 12. e4 Ng4 13. Bd2 Rfb8 14. Qc2 Nge5 15. Nxe5 Nxe5 16. Nd1 Qb6 17. Bc3 Nd3 18. Re3 Nb4 19. Bxb4 cxb4 20. Rb3 Qa5 21. Qd2 Bc4 22. Re3 Bxa2 23. b3 Bxa1 0-1

[Event "Oberliga Sued W 1415"]
[Site "Germany"]
[Date "2014.09.21"]
[Round "1.7"]
[White "Grewenig, Jan"]
[Black "Stewart, Neil"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2036"]
[BlackElo "2266"]
[PlyCount "45"]
[EventDate "2014.09.21"]
[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 "Schwarzenbach Caissa"]
[BlackTeam "Koblenz SV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. Qe2 d4 4. Nd1 c5 5. g3 Nc6 6. d3 e5 7. Bg2 Bd6 8. f4 Qc7 9. Nf3 Nge7 10. f5 b5 11. f6 gxf6 12. Nh4 Rg8 13. 0-0 Ng6 14. Qh5 Nxh4 15. Qxh7 Rg6 16. Qxh4 Nb4 17. Qh8+ Bf8 18. Bd2 Qd6 19. Bf3 Nxc2 20. Rc1 Ne3 21. Nxe3 Rh6 22. Qg8 Rg6 23. Qh8 1/2-1/2

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2014.04.06"]
[Round "9.6"]
[White "Boehm, Martin"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2279"]
[BlackElo "2039"]
[PlyCount "99"]
[EventDate "2013.10.13"]
[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 "Boeblingen"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. e4 d6 6. d3 e6 7. Nc3 Nge7 8. Be3 Nd4 9. Qd2 0-0 10. Ne1 Rb8 11. Nd1 b6 12. c3 Ndc6 13. Bh6 Bb7 14. Bxg7 Kxg7 15. f4 d5 16. e5 d4 17. Nf3 dxc3 18. bxc3 Qd7 19. Nf2 Rfd8 20. Rad1 Na5 21. Qc1 Qa4 22. Qb2 Nf5 23. Rfe1 Rd7 24. Ng5 Bxg2 25. Kxg2 Rbd8 26. Kg1 h5 27. Nge4 Nc4 28. Qc1 Na3 29. Nf6 Rb7 30. Re2 Nb5 31. N2e4 Nc7 32. Kf2 Nd5 33. Rdd2 Nh6 34. Nxd5 Rxd5 35. h3 Rd8 36. Qd1 Qc6 37. Re1 b5 38. g4 hxg4 39. hxg4 Rh8 40. Kg3 Rd7 41. Qf3 Ng8 42. Qe3 Rd5 43. Ree2 a5 44. Rh2 c4 45. Rxh8 Kxh8 46. d4 Kg7 47. Rh2 b4 48. f5 exf5 49. gxf5 gxf5 50. Nf6 1-0

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2014.03.16"]
[Round "8.6"]
[White "Grewenig, Jan"]
[Black "Lutz, Klaus Juergen"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2035"]
[BlackElo "2250"]
[PlyCount "102"]
[EventDate "2013.10.13"]
[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 "Schwarzenbach"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. Bf4 d5 7. Bxb8 Bxf3 8. Bxf3 Rxb8 9. 0-0 Bb4 10. e5 Nd7 11. Ne2 f6 12. c3 Ba5 13. Nf4 fxe5 14. dxe5 Qe7 15. Bg4 Nf8 16. c4 Bb6 17. cxd5 cxd5 18. Rc1 Kf7 19. Qf3 Kg8 20. Rc3 h5 21. Bxh5 Qg5 22. Re1 Rh6 23. Rec1 Qxe5 24. g3 Rf6 25. Rc8 Rxc8 26. Rxc8 Qxb2 27. Bg6 Qxa2 28. Bc2 Qa1+ 29. Kg2 Qd4 30. Nxe6 Qxf2+ 31. Qxf2 Rxf2+ 32. Kh3 Rxc2 33. Rxf8+ Kh7 34. Rf7 Rc6 35. Rxg7+ Kh6 36. Re7 Rd6 37. Kg4 Bd8 38. Re8 Bf6 39. Kf5 Bb2 40. g4 Rd7 41. g5+ Kh5 42. Nf4+ Kh4 43. g6 Rd6 44. Rf8 Rd7 45. Ke6 Rg7 46. Rf7 a5 47. Rxg7 Bxg7 48. Nxd5 a4 49. Kf7 a3 50. Nb4 Bd4 51. g7 Bxg7 1/2-1/2

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2014.02.23"]
[Round "7.6"]
[White "Heinatz, Thomas"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2353"]
[BlackElo "2039"]
[PlyCount "67"]
[EventDate "2013.10.13"]
[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 "Schoeneck"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f4 exf4 9. Bxf4 Nc6 10. Qe2 Be7 11. h3 b5 12. 0-0-0 Qc7 13. g4 Rc8 14. g5 Nd7 15. Kb1 0-0 16. Nd5 Bxd5 17. exd5 Nce5 18. h4 Rfe8 19. h5 Nc4 20. Qg2 Nc5 21. Bc1 Nxb3 22. axb3 Ne5 23. Rh2 Qd7 24. Qh1 Ra8 25. Bh3 Qc7 26. Rf1 Bf8 27. g6 Kh8 28. gxf7 Nxf7 29. Be6 Nd8 30. h6 g6 31. Rhf2 Nxe6 32. dxe6 Qc8 33. Qd5 Qc5 34. Qxa8 1-0

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2014.02.09"]
[Round "6.5"]
[White "Dinger, Florian"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2367"]
[BlackElo "2039"]
[PlyCount "109"]
[EventDate "2013.10.13"]
[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 "Baden-Baden II"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f4 Ng4 9. Bd2 exf4 10. Bxf4 Nc6 11. Qd2 Be7 12. h3 Nge5 13. 0-0-0 0-0 14. Kb1 Re8 15. Nd5 Rc8 16. Be2 Bf8 17. g4 Ng6 18. Bg5 f6 19. Be3 Nce5 20. Nd4 Nc4 21. Bxc4 Rxc4 22. b3 Rc8 23. g5 Bf7 24. gxf6 Rxe4 25. Nc3 Re5 26. fxg7 Bxg7 27. Nde2 Rh5 28. Bd4 Ne5 29. Rdf1 Qc7 30. Nf4 Rf5 31. Rhg1 Ng6 32. Bxg7 Kxg7 33. Nfd5 Rxd5 34. Rxf7+ Qxf7 35. Nxd5 Kh8 36. Qd4+ Qg7 37. Qb6 Qd7 38. Nf4 Rg8 39. Qd4+ Ne5 40. Re1 Qg7 41. Qxd6 Nf3 42. Rd1 Qc3 43. Qd3 Qxd3 44. Rxd3 Ng5 45. h4 Rf8 46. Nh5 Nf3 47. Rd7 b5 48. Ra7 Nxh4 49. Rxa6 Kg8 50. Rb6 Rf5 51. Nf6+ Kg7 52. Ne8+ Kf8 53. Nd6 Rg5 54. Nxb5 h5 55. a4 1-0

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2014.01.19"]
[Round "5.6"]
[White "Schloetzer, Waldemar"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2296"]
[BlackElo "2042"]
[PlyCount "101"]
[EventDate "2013.10.13"]
[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 "Buchen"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 Nf6 8. c4 Qe4 9. d5 Ne7 10. f3 Qh4+ 11. g3 Qh5 12. e4 Nd7 13. Bb4 Qg5 14. Qd2 Qf6 15. Bg2 0-0 16. Ne2 c5 17. Ba3 b5 18. cxb5 a6 19. b6 Qxb6 20. 0-0 a5 21. Rab1 Qd6 22. Nc3 Ba6 23. Nb5 Qb6 24. Rfc1 Rfb8 25. Nc3 Qa7 26. Bh3 Nc8 27. Qf2 Nd6 28. Bxd7 Qxd7 29. Qxc5 Nc4 30. Qe7 Qh3 31. Rxb8+ Rxb8 32. Qa7 Qc8 33. Na4 Ra8 34. Nb6 Rxa7 35. Nxc8 Rd7 36. Rxc4 Bxc4 37. Nb6 Bb5 38. Nxd7 Bxd7 39. Kf2 f6 40. f4 exf4 41. gxf4 f5 42. e5 Bb5 43. Ke3 Kf7 44. e6+ Ke8 45. Kd4 g6 46. Kc5 Bd3 47. d6 Be4 48. d7+ Ke7 49. Kd4+ Kd8 50. Ke5 Bb1 51. Kd6 1-0

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2013.12.15"]
[Round "4.7"]
[White "Tischendorf, Michael"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2199"]
[BlackElo "2046"]
[PlyCount "55"]
[EventDate "2013.10.13"]
[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 "Hofheim"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 b6 5. e3 Bb7 6. Bd3 c5 7. 0-0 0-0 8. c3 d6 9. Qe2 Nc6 10. Rd1 Qc7 11. Bh2 e5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Nd2 Rad8 15. Nc4 Qc6 16. Qf1 e4 17. Be2 Nd5 18. Rd2 b5 19. Nd6 c4 20. Nxb7 Qxb7 21. Qd1 b4 22. Bxc4 bxc3 23. Rxd5 cxb2 24. Rb1 Rxd5 25. Bxd5 Qd7 26. Bxe4 Qxd1+ 27. Rxd1 Rc8 28. Kf1 1-0

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2013.11.24"]
[Round "3.6"]
[White "Grewenig, Jan"]
[Black "Hirneise, Jens"]
[Result "1/2-1/2"]
[ECO "B59"]
[WhiteElo "2029"]
[BlackElo "2280"]
[PlyCount "107"]
[EventDate "2013.10.13"]
[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 "Schwarzenbach"]
[BlackTeam "Schwaebisch Hall"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 a5 9. Bg5 0-0 10. Bxf6 Bxf6 11. Nd2 Nd4 12. Nd5 Be6 13. c3 Nxe2+ 14. Qxe2 Bg5 15. Ne3 Qb6 16. Ndc4 Qa6 17. Rfe1 Rac8 18. Nd2 Qb6 19. Ndf1 g6 20. Red1 Rc5 21. Rd2 Qc6 22. Rad1 Rd8 23. Nd5 Kg7 24. Rd3 Qa6 25. Qf3 Bxd5 26. Rxd5 Qc4 27. Rxc5 dxc5 28. b3 Qe6 29. Rxd8 Bxd8 30. Qd3 Bg5 31. c4 Bc1 32. Ng3 b6 33. Qc2 Bf4 34. Ne2 Qd6 35. g3 Bg5 36. Kg2 Bf6 37. Kf1 h5 38. Nc3 Bd8 39. Qd1 Qd4 40. Qxd4 exd4 41. Nd5 Kf8 42. Ke2 Ke8 43. a4 Kd7 44. f4 Ke6 45. e5 Kf5 46. Kf3 g5 47. fxg5 Bxg5 48. Nxb6 Kxe5 49. Nd7+ Kd6 50. Nb6 f5 51. Nd5 Ke5 52. Nf4 Bxf4 53. gxf4+ Kd6 54. h4 1/2-1/2

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2013.11.10"]
[Round "2.6"]
[White "Bewersdorff, Oliver"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2302"]
[BlackElo "2029"]
[PlyCount "84"]
[EventDate "2013.10.13"]
[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 "Schott Mainz"]
[BlackTeam "Schwarzenbach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. Nbd2 bxc4 6. e4 d6 7. Bxc4 Bg7 8. 0-0 0-0 9. Rb1 Ba6 10. b3 Bxc4 11. bxc4 Qa5 12. Qc2 Nbd7 13. Bb2 Rfb8 14. Bc3 Qc7 15. Nb3 Ng4 16. Ba5 Qc8 17. h3 Nge5 18. Nfd2 g5 19. Rfe1 Qa6 20. Rbc1 Ng6 21. g3 Nde5 22. Kg2 h5 23. Bc3 Nxc4 24. Bxg7 Nxd2 25. Qxd2 Kxg7 26. e5 Qa3 27. exd6 exd6 28. Qc3+ Kg8 29. Re2 Re8 30. Rce1 Rxe2 31. Rxe2 a5 32. Qc2 a4 33. Nd2 Ne5 34. Qf5 g4 35. Rxe5 dxe5 36. Qxh5 gxh3+ 37. Kxh3 Qd3 38. Qg5+ Qg6 39. Qe3 Rd8 40. Ne4 Rxd5 41. Nxc5 Qh5+ 42. Kg2 Rd1 0-1

[Event "BL2-Sued 1314"]
[Site "Germany"]
[Date "2013.10.13"]
[Round "1.6"]
[White "Grewenig, Jan"]
[Black "Sieglen, Joachim"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2025"]
[BlackElo "2267"]
[PlyCount "52"]
[EventDate "2013.10.13"]
[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 "Schwarzenbach"]
[BlackTeam "Untergrombach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. h4 Be7 9. Ne2 f6 10. a3 0-0 11. b4 cxd4 12. Nexd4 Ncxe5 13. fxe5 fxe5 14. Ne2 e4 15. Nfd4 e5 16. Nb3 Bxh4+ 17. Kd2 Be7 18. Kc2 Nf6 19. Bg5 Be6 20. Ng3 Qf2+ 21. Ne2 Ng4 22. Qc1 Bxg5 23. Qxg5 Ne3+ 24. Kd2 Nc4+ 25. Kc2 Ne3+ 26. Kd2 Nc4+ 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.06"]
[Round "7.2"]
[White "Grewenig, Jan"]
[Black "Kollars, Dmitrij"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2153"]
[BlackElo "2120"]
[PlyCount "135"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Bremen"]
[WhiteTeamCountry "SAA"]
[BlackTeamCountry "GER"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 0-0 5. g3 d5 6. Bg2 Re8 7. 0-0 c5 8. Bb2 Nc6 9. d3 Qe7 10. e3 Bf5 11. Nbd2 Ba5 12. Rb1 Bb6 13. Nh4 Be6 14. Qf3 d4 15. Nf5 Bxf5 16. Qxf5 dxe3 17. Bxc6 bxc6 18. Bxf6 Qxf6 19. Qxf6 gxf6 20. Nc4 exf2+ 21. Rxf2 Re6 22. a4 Kg7 23. a5 Bc7 24. Rb7 Be5 25. Kf1 Kg6 26. Re2 h5 27. Re4 Ree8 28. a6 Kf5 29. Rxf7 Ke6 30. Rh7 Rh8 31. Rc7 Rhc8 32. Rg7 Rg8 33. Rb7 Rgb8 34. Na5 Kd6 35. Rh4 Rxb7 36. Nxb7+ Kc7 37. Nxc5 Kb6 38. d4 Bd6 39. Rxh5 Re8 40. Kf2 Bxc5 41. Rxc5 Re6 42. h4 Kxa6 43. g4 Kb6 44. c3 a5 45. h5 a4 46. h6 Re7 47. Rh5 Rh7 48. Ke3 a3 49. Rh2 a2 50. Rxa2 Rxh6 51. Kf4 Rh3 52. Rf2 Rxc3 53. Kf5 Rc4 54. Rd2 Kb5 55. Kxf6 c5 56. Ke5 Kc6 57. d5+ Kd7 58. g5 Rg4 59. Kf6 Kd6 60. g6 Rg1 61. g7 Rf1+ 62. Kg6 Rg1+ 63. Kf7 Rf1+ 64. Kg8 Rg1 65. Rf2 Kxd5 66. Kf7 c4 67. Rf6 Rxg7+ 68. Kxg7 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.05"]
[Round "6.2"]
[White "Hoffmann, Tim"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1949"]
[BlackElo "2153"]
[PlyCount "51"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Thueringen"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SAA"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 e6 7. Be3 Nbd7 8. 0-0 Be7 9. c4 Qd6 10. h3 0-0 11. Nc3 cxd4 12. Nxd4 Qc7 13. Qc2 b6 14. Bf3 Bb7 15. Bxb7 Qxb7 16. Rad1 Rac8 17. Qe2 Ne5 18. b3 b5 19. Bd2 Ng6 20. cxb5 Nh4 21. Nf3 Nxf3+ 22. Qxf3 Qxf3 23. gxf3 axb5 24. Nxb5 Rc2 25. a3 Nd5 26. Bc1 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.04"]
[Round "5.2"]
[White "Grewenig, Jan"]
[Black "Celmer, Ole"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2153"]
[BlackElo "1890"]
[PlyCount "113"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Team Nord"]
[WhiteTeamCountry "SAA"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. Bb2 Bg7 11. Nd2 0-0 12. 0-0-0 Rab8 13. Nf3 Qb4 14. Qd2 Qxd2+ 15. Nxd2 Nb6 16. Ne4 Bc8 17. Bd3 a5 18. Rhe1 a4 19. f4 axb3 20. axb3 d5 21. exd6 Bxb2+ 22. Kxb2 cxd6 23. Nxd6 Bg4 24. Be2 Bxe2 25. Rxe2 Na4+ 26. Kc2 Nc5 27. Ne4 Nxe4 28. Rxe4 Ra8 29. Kc3 Rfb8 30. Re7 Ra3 31. Rb1 c5 32. Re5 Rc8 33. Kb2 Ra7 34. Rbe1 Kf8 35. g4 Rb7 36. h4 Rd7 37. Kc3 Kg7 38. Rd5 Rb7 39. g5 h6 40. Rb1 hxg5 41. hxg5 Re7 42. Rbd1 Re4 43. Rf1 Re3+ 44. Rd3 Re4 45. Rff3 Re1 46. Rde3 Rc1+ 47. Kb2 Rd1 48. Re5 Rd2+ 49. Kc3 Rd1 50. Rd3 Rf1 51. Rdd5 Rf3+ 52. Kc2 Rb8 53. Rd3 Rf2+ 54. Kc3 Rc8 55. Re4 Rb8 56. Re5 Rc8 57. Re4 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.04"]
[Round "4.2"]
[White "Grewenig, Jan"]
[Black "Ispirjan, Mikael"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2153"]
[BlackElo "1952"]
[PlyCount "63"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Mecklenburg Vorpommern"]
[WhiteTeamCountry "SAA"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Bc4 d5 3. Bb3 Nf6 4. exd5 cxd5 5. d4 Nc6 6. Nf3 Bg4 7. 0-0 e6 8. c3 Be7 9. Nbd2 0-0 10. Qe1 Bf5 11. Qe2 Qc7 12. Re1 Nh5 13. Nf1 Nf4 14. Bxf4 Qxf4 15. Bc2 Bxc2 16. Qxc2 b5 17. b4 Rfc8 18. Qd3 Bxb4 19. cxb4 Nxb4 20. Qe3 Qb8 21. Ng3 Nc2 22. Qg5 h6 23. Qg4 Nxa1 24. Nh5 g6 25. Ne5 Nc2 26. Nxf7 Nxd4 27. Qxg6+ Kf8 28. Qg7+ Ke7 29. Qxd4 Rc6 30. Qf6+ Kd7 31. Ne5+ Qxe5 32. Qxe5 1-0

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.03"]
[Round "3.2"]
[White "Gressmann, Moritz"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1999"]
[BlackElo "2153"]
[PlyCount "77"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Berlin"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SAA"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. 0-0 e5 6. c3 Nf6 7. Re1 Be7 8. d4 cxd4 9. cxd4 Qc7 10. dxe5 dxe5 11. Nc3 0-0 12. Be3 Rb8 13. Qc2 Be6 14. b3 Rfc8 15. Ng5 Bd7 16. Red1 h6 17. Nf3 Bg4 18. Qe2 Bb4 19. Bd2 Rd8 20. Rac1 Qa5 21. h3 Bxf3 22. Qxf3 Rd4 23. a3 Bxa3 24. Ra1 Qd8 25. Rxa3 Rxd2 26. Rxd2 Qxd2 27. Rxa7 Qd4 28. Ra4 Qd6 29. Nb1 g6 30. Na3 Kg7 31. Kh2 Qd2 32. Rc4 Rb6 33. Nc2 Nh5 34. Qe3 Qd8 35. g3 Nf6 36. Nb4 Rb5 37. Nxc6 Qd1 38. b4 Qf1 39. Rc1 1-0

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.03"]
[Round "2.2"]
[White "Grewenig, Jan"]
[Black "Kramer, Julian"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2153"]
[BlackElo "2137"]
[PlyCount "87"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Hamburg"]
[WhiteTeamCountry "SAA"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Bxf6 gxf6 13. Nxc6 bxc6 14. Be2 Qc5 15. Na4 Qe5 16. 0-0 d5 17. exd5 Bd6 18. g3 cxd5 19. Rbe1 Ke7 20. Bf3 Qg5 21. Qxg5 fxg5 22. Bxd5 Rb8 23. Re2 Rb4 24. Nc3 Bc5+ 25. Kg2 Rd8 26. Be4 Bd4 27. Nd1 Bf6 28. Nf2 h5 29. h3 h4 30. Ng4 Rf8 31. Ref2 Rxe4 32. Nxf6 Re3 33. g4 Bb7+ 34. Kh2 Kd8 35. Rd2+ Kc8 36. Rdf2 Rg3 37. Rg1 Rc3 38. Rb1 Rf7 39. Rb3 Rc5 40. Kg1 Kb8 41. Ne4 Rxf2 42. Nxc5 Rf7 43. Nxe6 Ka7 44. Nd8 1-0

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2013.10.02"]
[Round "1.2"]
[White "Baskin, Robert"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2177"]
[BlackElo "2153"]
[PlyCount "51"]
[EventDate "2013.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "Hessen"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SAA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Nxd4 10. Bxd4 Be6 11. Rc1 Qa5 12. Be3 Rfc8 13. b3 a6 14. Qd2 b5 15. Nd5 Qxd2 16. Bxd2 Bxd5 17. exd5 Ne4 18. Ba5 Rc5 19. b4 Rcc8 20. cxb5 Nc3 21. Rxc3 Rxc3 22. b6 Ra3 23. b7 Rb8 24. Bxa6 Bc3 25. Rc1 Rxa2 26. g3 1-0

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.25"]
[Round "9"]
[White "Wenninger, Philipp"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2220"]
[BlackElo "2002"]
[PlyCount "93"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e6 5. Nc3 Nf6 6. Be2 Bb4 7. 0-0 0-0 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Ne4 11. Qc2 Bxf3 12. gxf3 Ng5 13. Qe2 Qf6 14. f4 Ne4 15. Bb2 Qh6 16. Bd3 Nd6 17. c4 Ne7 18. Kh1 Ndf5 19. Rg1 f6 20. Rg2 g6 21. Rag1 Ng7 22. Bc3 Rad8 23. Be4 b6 24. a4 c5 25. a5 cxd4 26. Bxd4 Rxd4 27. exd4 Qxf4 28. axb6 axb6 29. Qe3 Qd6 30. c5 bxc5 31. dxc5 Qe5 32. Bf3 Qxe3 33. fxe3 Rc8 34. Rc2 Ngf5 35. Rc3 e5 36. Rb1 Kf7 37. Rb7 Ke6 38. Bd1 e4 39. Bb3+ Ke5 40. Rd7 Rc6 41. Ba4 Ra6 42. Bb3 Rc6 43. Kg1 h5 44. Kf2 g5 45. Rc4 Ke6 46. Rcd4+ Ke5 47. R7d5+ 1-0

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.24"]
[Round "8"]
[White "Grewenig, Jan"]
[Black "Goelz, Daniel"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2002"]
[BlackElo "2137"]
[PlyCount "71"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Ne3 Be7 11. Bxf6 Bxf6 12. Ncd5 Bg5 13. c3 0-0 14. Be2 Bxe3 15. Nxe3 Ne7 16. Bf3 Qc7 17. 0-0 g6 18. Qd2 f5 19. exf5 gxf5 20. Rad1 Rcd8 21. Bd5 Qd7 22. f4 Bxd5 23. Nxd5 Qe6 24. fxe5 dxe5 25. Qg5+ Ng6 26. Nf6+ Kh8 27. Rxd8 Qb6+ 28. Kh1 Qxd8 29. Qxf5 e4 30. g4 e3 31. g5 e2 32. Rg1 Qd1 33. Qe4 Qd2 34. Qxb7 Rxf6 35. gxf6 Qh6 36. Qg7+ 1-0

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.23"]
[Round "7"]
[White "Schreiber, Kevin"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1886"]
[BlackElo "2002"]
[PlyCount "30"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. e3 e6 5. c4 Nf6 6. Qa4 Bb4+ 7. Nc3 Bxf3 8. gxf3 dxc4 9. Bxc4 Nd5 10. Bxd5 Qxd5 11. Qxb4 Qxf3 12. Qxb7 Rb8 13. Qxb8+ Nxb8 14. 0-0 Na6 15. Rac1 g5 0-1

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.22"]
[Round "6"]
[White "Grewenig, Jan"]
[Black "Faldum, Manfred"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2002"]
[BlackElo "1865"]
[PlyCount "99"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Nxb3 11. axb3 d6 12. Bd4 Be6 13. Bxg7 Kxg7 14. Qd4+ Kg8 15. Rxa7 Rxa7 16. Qxa7 d5 17. exd5 Bxd5 18. 0-0 Bc6 19. b4 b5 20. Rd1 Qc8 21. h3 Qf5 22. Qc5 Qxc5 23. bxc5 b4 24. Nd5 Bxd5 25. Rxd5 Rc8 26. Kf1 f6 27. Ke2 e6 28. Rd4 Rxc5 29. Kd3 Rg5 30. g4 Rb5 31. Kc4 Re5 32. Kxb4 Re2 33. Kc3 Rxf2 34. b4 Rf3+ 35. Kb2 e5 36. Rd1 f5 37. g5 e4 38. b5 e3 39. b6 Rf4 40. c3 Re4 41. Rd8+ Kf7 42. b7 e2 43. b8Q e1Q 44. Rf8+ Kg7 45. Rg8+ Kf7 46. Qf8+ Ke6 47. Qf6+ Kd5 48. Rd8+ Kc5 49. Qd6+ Kb5 50. Rb8+ 1-0

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.21"]
[Round "4"]
[White "Grewenig, Jan"]
[Black "Schwedek, Tony"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2002"]
[BlackElo "1933"]
[PlyCount "79"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qb6 8. Nb3 Qc7 9. Bd3 e6 10. f4 Be7 11. Qf3 0-0 12. 0-0-0 Rb8 13. g4 b5 14. Qh3 e5 15. Nd5 Qd8 16. Nd4 Bb7 17. Nf5 Bxd5 18. exd5 g6 19. fxe5 gxf5 20. exf6 Bxf6 21. Bxf6 Qxf6 22. Bxf5 Qg5+ 23. Kb1 Nf6 24. Qg3 Rbd8 25. h4 Qg7 26. g5 Rfe8 27. Qf4 Nd7 28. Qxd6 Ne5 29. Qf6 Qf8 30. d6 Nc4 31. h5 Rxd6 32. Bxh7+ Kxh7 33. Rxd6 Nxd6 34. g6+ Kg8 35. gxf7+ Qxf7 36. Qxd6 Re6 37. Rg1+ Kh8 38. Qd8+ Kh7 39. b3 Rf6 40. Rd1 1-0

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.21"]
[Round "5"]
[White "Poetsch, Hagen"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2431"]
[BlackElo "2002"]
[PlyCount "53"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Nb3 Qc7 10. Be2 d6 11. Bg5 Nd7 12. Nd5 Qd8 13. c3 Nb6 14. Ne3 Be6 15. a4 Ne5 16. Nd4 Bc4 17. a5 Bxe2 18. Qxe2 Nbd7 19. a6 h6 20. Bh4 Nc6 21. Nb5 Nc5 22. axb7 Nxb7 23. Ra6 Qd7 24. Nd5 Kh8 25. Rfa1 Nc5 26. R6a3 Rfe8 27. Nb6 1-0

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.20"]
[Round "3"]
[White "Meiser, Michael"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1931"]
[BlackElo "2002"]
[PlyCount "66"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Na5 4. Nf3 a6 5. Be2 e6 6. d4 cxd4 7. Nxd4 b5 8. a3 Bb7 9. 0-0 Rc8 10. Bf3 d6 11. a4 b4 12. Na2 Nf6 13. Re1 d5 14. Bg5 dxe4 15. Bxe4 Bxe4 16. Bxf6 Qxf6 17. Rxe4 Bc5 18. c3 bxc3 19. bxc3 0-0 20. Qe2 Bxd4 21. cxd4 Rc4 22. Re5 Rxa4 23. Qxa6 Qd8 24. Qb5 Qxd4 25. Ree1 Ra8 26. Rad1 Qc4 27. Nc3 Qxb5 28. Nxb5 Nc4 29. g3 g6 30. Rd7 R4a5 31. Rc1 Nb6 32. Rb7 Rxb5 33. Rcc7 Nd5 0-1

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.19"]
[Round "1"]
[White "Askri, Samir"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "1785"]
[BlackElo "2002"]
[PlyCount "74"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nf3 e6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. b3 d6 8. Bb2 Nbd7 9. Nbd2 c5 10. dxc5 Nxc5 11. Nd4 Bxg2 12. Kxg2 Qc7 13. N2f3 Rfd8 14. Qc2 Rac8 15. Rac1 Qb7 16. Rfd1 Nce4 17. Qd3 Ng4 18. Rf1 Bf6 19. Kg1 Nexf2 20. Rxf2 Nxf2 21. Kxf2 e5 22. Nf5 e4 23. Qd2 Bxb2 24. Qxb2 f6 25. N3d4 Rc5 26. Ne3 Rh5 27. Rh1 Qd7 28. Nd5 e3+ 29. Kxe3 b5 30. Qa3 Re8+ 31. Kf2 bxc4 32. bxc4 Qg4 33. Qd3 Rhe5 34. e3 h5 35. h3 Qd7 36. Qg6 Rf8 37. Nf4 Rg5 1/2-1/2

[Event "GER-ch U25 op-A"]
[Site "Oberhof"]
[Date "2013.05.19"]
[Round "2"]
[White "Grewenig, Jan"]
[Black "Fischer, Maxi"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2002"]
[BlackElo "1497"]
[PlyCount "67"]
[EventDate "2013.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nc6 2. e4 e5 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Bc5 7. 0-0 0-0 8. Nc3 Re8 9. Kh1 d5 10. Bg5 Be7 11. exd5 cxd5 12. Bxf6 Bxf6 13. Nxd5 Bxb2 14. Rb1 Rb8 15. Qh5 h6 16. a3 Qd6 17. Nc3 Be6 18. Nb5 Qe5 19. Qxe5 Bxe5 20. Nxa7 Ra8 21. Bb5 Rf8 22. Nc6 Bf6 23. a4 Bc8 24. Rfe1 Bf5 25. Re2 Kh7 26. h3 Rfe8 27. Rxe8 Rxe8 28. Nd4 Re5 29. Nxf5 Rxf5 30. Bd3 g6 31. Bxf5 gxf5 32. a5 Bd4 33. a6 Bb6 34. Rxb6 1-0

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.10.03"]
[Round "7.3"]
[White "Bingert, Tim Niklas"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2030"]
[BlackElo "2090"]
[PlyCount "80"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Hessen II"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Nge2 Nf6 6. f3 d5 7. e5 Nfd7 8. a3 Be7 9. Be3 c5 10. Bb5 a6 11. Ba4 b5 12. Bb3 cxd4 13. Bxd4 Nc6 14. f4 Nxd4 15. Nxd4 Qb6 16. 0-0 0-0-0 17. Kh1 g5 18. a4 b4 19. a5 Qc7 20. Nce2 gxf4 21. c3 Nxe5 22. cxb4 Bxb4 23. Rc1 Nc4 24. Bxc4 dxc4 25. Qa4 Qc5 26. Rxf4 Kb8 27. Rxf7 e5 28. Nf3 Rhf8 29. Rxf8 Rxf8 30. Neg1 Ka7 31. Nxe5 Bd2 32. Rd1 Qf2 33. Ngf3 Rxf3 34. Nxf3 Bxf3 35. Qd7+ Bb7 36. Qg4 Bf4 37. Qg7 Qe2 38. Rb1 Be5 39. Qg5 h6 40. Qg6 Bc7 0-1

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.10.02"]
[Round "6.3"]
[White "Grewenig, Jan"]
[Black "Celmer, Ole"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2090"]
[BlackElo "1895"]
[PlyCount "67"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Mecklenburg Vorpommern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. d4 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 Be7 6. Nbd2 0-0 7. b3 c5 8. Bb2 d5 9. Ne5 Nc6 10. f4 Rc8 11. c3 Nd7 12. Qe2 f5 13. c4 Nf6 14. cxd5 Nxd5 15. e4 fxe4 16. Nxc6 Bxc6 17. Qxe4 Nf6 18. Qxe6+ Kh8 19. Rae1 Re8 20. Nc4 Bd5 21. Qh3 Bxc4 22. bxc4 cxd4 23. Re6 h6 24. Qf5 Kg8 25. Rfe1 Rc5 26. Qg6 Rc8 27. g4 Bc5 28. g5 Rxe6 29. Rxe6 hxg5 30. fxg5 Nd7 31. Qh7+ Kf8 32. Qf5+ Kg8 33. Qd5 Nf8 34. Rd6+ 1-0

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.10.01"]
[Round "4.3"]
[White "Grewenig, Jan"]
[Black "Becker, Matthias1111"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2090"]
[BlackElo "2091"]
[PlyCount "52"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Baden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. Bb2 Bg7 11. Nd2 0-0 12. 0-0-0 Rfe8 13. Nf3 Nb6 14. Qd2 c5 15. Qa5 Bb7 16. Bd3 Bxf3 17. gxf3 Bxe5 18. Ba3 d6 19. h4 Qf6 20. Be4 Rab8 21. Kc2 Qe6 22. h5 Nxc4 23. bxc4 Qxc4+ 24. Kd2 Bf4+ 25. Ke1 Rxe4+ 26. fxe4 Qxe4+ 0-1

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.10.01"]
[Round "5.3"]
[White "Zimmermann, Christian"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1980"]
[BlackElo "2090"]
[PlyCount "52"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Sachsen Anhalt"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. f4 Qb4 10. Qd3 Qxb2 11. Ncb5 Qb4 12. Nb3 Na5 13. e5 Nxc4 14. exf6 Bxf6 15. Nc7 Nxe3 16. Qxe3 d6 17. Nxa8 Be6 18. a3 Qc4 19. Qxa7 Qxc2 20. Na5 Bxa1 21. Rxa1 Bd5 22. Kf1 Qxg2+ 23. Ke1 Qh1+ 24. Kd2 Qxa1 25. Nc7 Qb2+ 26. Ke1 Qc1+ 0-1

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.09.30"]
[Round "2.3"]
[White "Kyas, Philipp"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "D08"]
[WhiteElo "2092"]
[BlackElo "2090"]
[PlyCount "74"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Niedersachsen II"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Nge7 6. Nbd2 Ng6 7. Nb3 Ncxe5 8. Nxe5 Nxe5 9. Nxd4 c5 10. Nb5 a6 11. Bf4 Qxd1+ 12. Rxd1 axb5 13. Bxe5 bxc4 14. e3 Be6 15. Be2 f6 16. Bc3 Be7 17. Bh5+ g6 18. Bf3 Ra7 19. 0-0 Kf7 20. Rd2 b5 21. Bd5 b4 22. axb4 cxb4 23. Bd4 Ra2 24. Bxe6+ Kxe6 25. Rc2 c3 26. Rfc1 Rha8 27. Kf1 Ra1 28. Ke2 Rxc1 29. Rxc1 Ra2 30. Rc2 Bc5 31. Bxc3 bxc3 32. Rxc3 Rxb2+ 33. Kf3 Bb4 34. Rc6+ Ke5 35. Rc4 Be1 36. Re4+ Kd6 37. Rd4+ Ke6 0-1

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.09.30"]
[Round "3.3"]
[White "Marx, Joschka"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1993"]
[BlackElo "2090"]
[PlyCount "90"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Schleswig Holstein"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. e4 d6 8. Be2 Nf6 9. 0-0 0-0 10. Be3 Be6 11. Qc2 Qa5 12. f4 Rfd8 13. f5 Bc8 14. Rad1 Nd7 15. Kh1 Ne5 16. c5 Ba6 17. cxd6 Bxe2 18. Qxe2 Rxd6 19. Rxd6 exd6 20. fxg6 hxg6 21. Rd1 Qd8 22. Nb1 Qe7 23. Bd4 Rb8 24. Bc3 Qe6 25. a3 Qc4 26. Qxc4 Nxc4 27. Bxg7 Kxg7 28. b4 Rd8 29. Rd4 d5 30. exd5 Rxd5 31. Rxd5 cxd5 32. Kg1 Kf6 33. Kf2 Ke5 34. Ke2 Kd4 35. h4 f5 36. g3 Ne3 37. Nd2 Nc2 38. Nf3+ Kc3 39. Ne5 d4 40. Kd1 d3 41. Nf3 Ne3+ 42. Ke1 Nc4 43. Kd1 Nxa3 44. Ne5 Nc2 45. Nf3 Nxb4 0-1

[Event "GER-chT Lands U20"]
[Site "Hannover"]
[Date "2012.09.29"]
[Round "1.3"]
[White "Grewenig, Jan"]
[Black "Schroeder, Kevin"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2090"]
[BlackElo "1996"]
[PlyCount "39"]
[EventDate "2012.09.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Nordrhein Westfalen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Ne4 Qxa2 13. Rd1 Qd5 14. Qe3 Qxe5 15. Bc4 Nc6 16. 0-0 Nxd4 17. Rxd4 Bc5 18. Nxc5 Qxc5 19. Rxf7 Qxg5 20. Qxe6+ 1-0

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.06.02"]
[Round "9"]
[White "Grewenig, Jan"]
[Black "Lampert, Jonas"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2045"]
[BlackElo "2243"]
[PlyCount "42"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qd2 dxc6 7. Nc3 Be6 8. Na4 Bd6 9. Bd3 0-0-0 10. Nc3 Nh6 11. h3 Qe7 12. 0-0 f6 13. f4 Bc5+ 14. Kh2 f5 15. Qe1 Rhe8 16. Be3 Kb8 17. Qf2 Bxe3 18. Qxe3 fxe4 19. Qxe4 Qh4 20. f5 Qxe4 21. Bxe4 Bd5 1/2-1/2

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.06.01"]
[Round "8"]
[White "Yankelevich, Lev"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2181"]
[BlackElo "2045"]
[PlyCount "78"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c4 Ngf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. 0-0 0-0 10. b3 Qa5 11. Bb2 a6 12. Re1 Rfc8 13. Nd5 Re8 14. Bc3 Qd8 15. a4 e6 16. Nxf6+ Nxf6 17. Nf3 d5 18. e5 Ne4 19. Bd4 Bf8 20. Re3 a5 21. cxd5 Qxd5 22. Qe2 Ng5 23. Nxg5 Qxd4 24. Rd1 Qf4 25. Ne4 Red8 26. Nf6+ Kg7 27. Rf1 Be7 28. Rf3 Qg5 29. Qb5 Rab8 30. Qxa5 Rbc8 31. Qb5 Rc1 32. g3 Rxf1+ 33. Kxf1 Rd1+ 34. Kg2 Qc1 35. Rf4 Rh1 36. Ne4 Qg1+ 37. Kf3 g5 38. Rf6 Qd1+ 39. Kg2 Rg1+ 0-1

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.31"]
[Round "7"]
[White "Grewenig, Jan"]
[Black "Stahnecker, Ludwig"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2045"]
[BlackElo "2144"]
[PlyCount "49"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. c4 Nc6 8. Nxc6 dxc6 9. Nc3 e5 10. Qe2 Be6 11. f4 Bc5+ 12. Kh1 Rd8 13. f5 Bc8 14. Bg5 Qd6 15. Rad1 Bd4 16. Qc2 h6 17. Bh4 b6 18. a3 Bb7 19. b4 Rd7 20. Na4 c5 21. bxc5 bxc5 22. Bxf6 Qxf6 23. Rb1 0-0 24. Nb6 Rd6 25. Nd5 1/2-1/2

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.30"]
[Round "6"]
[White "Grewenig, Jan"]
[Black "Kyas, Philipp"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2045"]
[BlackElo "2135"]
[PlyCount "85"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. Bb2 Bg7 11. Nd2 0-0 12. 0-0-0 Rfe8 13. Nf3 Rab8 14. Qd2 Nb6 15. Qa5 Bb7 16. Bd3 c5 17. Rhe1 Bxf3 18. gxf3 Qg5+ 19. Kb1 Bxe5 20. Qxc5 d5 21. Rxe5 Rxe5 22. Qd4 Rbe8 23. c5 f6 24. cxb6 Re1 25. Rxe1 Rxe1+ 26. Kc2 axb6 27. b4 Re6 28. a4 Qh5 29. Qf4 Rc6+ 30. Kb3 g5 31. Qf5 Qf7 32. Bd4 Rd6 33. f4 gxf4 34. Qxf4 Qg7 35. Qg3 Rd7 36. a5 c5 37. bxc5 bxa5 38. c6 Rc7 39. Bb5 Re7 40. Bxf6 Qxg3+ 41. hxg3 Re1 42. c7 Rb1+ 43. Kc2 1-0

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.29"]
[Round "4"]
[White "Grewenig, Jan"]
[Black "Gibicar, Danijel"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2045"]
[BlackElo "2026"]
[PlyCount "43"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. h4 f6 9. Bd3 cxd4 10. cxd4 Bb4+ 11. Kf1 f5 12. Ne2 a5 13. h5 Nf8 14. g4 fxg4 15. Nh2 h6 16. Rg1 Bd7 17. Rxg4 Rg8 18. Nf3 Be7 19. a3 Bd8 20. Qc2 Ne7 21. Nh4 Bb5 22. f5 1/2-1/2

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.29"]
[Round "5"]
[White "Koop, Thorben"]
[Black "Grewenig, Jan"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2103"]
[BlackElo "2045"]
[PlyCount "118"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bg2 Bg7 6. Nxc6 bxc6 7. 0-0 Nf6 8. c4 0-0 9. Nc3 Rb8 10. Qc2 Qa5 11. Bf4 d6 12. Rac1 Qh5 13. e4 Bh3 14. Bxh3 Qxh3 15. f3 Qh5 16. b3 Nd7 17. Qe2 Qa5 18. Bd2 Qc7 19. Na4 Nb6 20. Ba5 Qb7 21. Nxb6 axb6 22. Bc3 Bxc3 23. Rxc3 b5 24. cxb5 cxb5 25. Rfc1 b4 26. Rc7 Rfc8 27. Qc4 Rxc7 28. Qxc7 Kg7 29. Qxb7 Rxb7 30. Kf2 Kf6 31. Ke3 Ke6 32. Kd3 Kd7 33. h4 f6 34. Rc4 Ra7 35. Rc2 e6 36. g4 Ra5 37. f4 h6 38. Kd4 f5 39. gxf5 gxf5 40. exf5 Rxf5 41. Ke4 d5+ 42. Ke3 Kd6 43. Rg2 e5 44. Rg6+ Kc5 45. fxe5 Rxe5+ 46. Kd3 Rh5 47. Rg4 Rf5 48. Rg6 Rf3+ 49. Ke2 Rh3 50. Rxh6 Kd4 51. Rb6 Kc3 52. Ra6 Rh2+ 53. Ke1 Rxh4 54. a3 bxa3 55. Rxa3 Rb4 56. Ra5 Re4+ 57. Kd1 d4 58. Ra2 Rh4 59. Rc2+ Kxb3 1/2-1/2

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.28"]
[Round "3"]
[White "Schreiber, Kevin"]
[Black "Grewenig, Jan"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1948"]
[BlackElo "2045"]
[PlyCount "54"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e3 Be7 4. Bd3 b6 5. Nf3 Bb7 6. Nbd2 c5 7. c3 d6 8. 0-0 Nbd7 9. Qe2 h6 10. Bxf6 Bxf6 11. e4 e5 12. Nc4 Qe7 13. dxe5 Bxe5 14. Ne3 0-0 15. Nxe5 Nxe5 16. f3 Qe6 17. Rfd1 Rfd8 18. Ba6 Bxa6 19. Qxa6 Rd7 20. Nd5 Rf8 21. a4 f5 22. exf5 Rxf5 23. a5 Rdf7 24. axb6 axb6 25. Nxb6 Nxf3+ 26. Kh1 Qe3 27. Rd3 Ne1 0-1

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.27"]
[Round "2"]
[White "Grewenig, Jan"]
[Black "Katz, Leo"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2045"]
[BlackElo "1911"]
[PlyCount "61"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 Nf6 5. e5 Nfd7 6. f4 c5 7. Ndf3 Nc6 8. Bd3 b6 9. Ne2 Bb7 10. Be3 Qc7 11. 0-0 f5 12. a3 0-0-0 13. b4 c4 14. Bc2 Rdg8 15. h3 h6 16. Qd2 Qd8 17. Kf2 Nf8 18. Ke1 Kc7 19. Kd1 Bc8 20. Kc1 Bd7 21. Kb2 Be8 22. Rg1 Bf7 23. g4 g6 24. Qe1 Nh7 25. Kc1 Kb7 26. Kd2 Kc7 27. Qb1 Qc8 28. Qb2 Qd8 29. Rab1 Kb7 30. a4 Be8 31. a5 1/2-1/2

[Event "GER-ch U16"]
[Site "Oberhof"]
[Date "2012.05.27"]
[Round "1"]
[White "Kvetny, Mark"]
[Black "Grewenig, Jan"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2248"]
[BlackElo "2045"]
[PlyCount "63"]
[EventDate "2012.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 Qxb6 7. Nf3 g6 8. Nd2 Bg7 9. e4 0-0 10. Be2 Qc7 11. 0-0 Nbd7 12. a4 Rb8 13. Nc4 Nb6 14. Na3 Nbd7 15. Qc2 Bb7 16. Bf4 e6 17. Nc4 exd5 18. Bxd6 Qc8 19. Bxb8 Qxb8 20. exd5 Nxd5 21. Nxd5 Bxd5 22. Rad1 Bd4 23. Qd3 Re8 24. Ne3 Bb7 25. Nc2 Ne5 26. Qb3 Nc6 27. Bc4 Re7 28. Bd5 Na5 29. Qb6 Be5 30. Qxa5 Bxh2+ 31. Kh1 Qe5 32. Qc3 1-0

