[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.06"]
[Round "7"]
[White "Lu, Yunong Elias"]
[Black "Carstensen, Claas"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1347"]
[BlackElo "1563"]
[PlyCount "107"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Be2 Bd6 6. Nc3 0-0 7. 0-0 Bf5 8. Bg5 c6 9. Re1 Nbd7 10. Bf1 h6 11. Bh4 Qb6 12. Qc1 Rfe8 13. Rxe8+ Rxe8 14. b3 Bg4 15. Na4 Qc7 16. Bg3 Bxg3 17. fxg3 Nb6 18. Nxb6 Qxb6 19. Qf4 Re4 20. Qb8+ Re8 21. Qf4 Qd8 22. Qd2 Qe7 23. Bd3 Qe3+ 24. Qxe3 Rxe3 25. Kf2 Re7 26. h3 Bxf3 27. gxf3 g5 28. Re1 Rc7 29. Re2 Kf8 30. Re1 Re7 31. Rxe7 Kxe7 32. g4 h5 33. Bf5 Kd6 34. Ke3 b6 35. f4 hxg4 36. hxg4 gxf4+ 37. Kxf4 c5 38. dxc5+ bxc5 39. g5 Ne8 40. Bh7 Ke6 41. Bg8 Nd6 42. g6 Kf6 43. gxf7 Nxf7 44. Bxf7 c4 45. Bxd5 cxb3 46. cxb3 Ke7 47. Ke5 Kd7 48. a4 Kc7 49. b4 Kb6 50. Kd6 a5 51. bxa5+ Kxa5 52. Bc6 Ka6 53. Bb5+ Ka5 54. Kc6 1-0

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.05"]
[Round "5"]
[White "Bergmann, Paul"]
[Black "Carstensen, Claas"]
[Result "1/2-1/2"]
[ECO "D37"]
[BlackElo "1563"]
[PlyCount "39"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Be2 Bb7 8. 0-0 Nbd7 9. Qc2 h6 10. Rac1 Rc8 11. cxd5 Bxd5 12. Nxd5 Nxd5 13. Bg3 Bd6 14. Bxd6 cxd6 15. Qxc8 Qxc8 16. Rxc8 Rxc8 17. Rd1 Rc2 18. Rd2 Rc1+ 19. Rd1 Rc2 20. Rd2 1/2-1/2

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.05"]
[Round "6"]
[White "Carstensen, Claas"]
[Black "Itin, Mikhail"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1563"]
[BlackElo "1106"]
[PlyCount "77"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Bd6 4. Be5 Bxe5 5. Nxe5 c6 6. e3 f5 7. Qh5+ g6 8. Nxg6 Nf6 9. Qh4 Rg8 10. Ne5 Nbd7 11. Nxd7 Bxd7 12. Qf4 Qe7 13. Nc3 Ne4 14. a3 Kd8 15. g3 Be8 16. Qf3 Nf6 17. Qd1 Bh5 18. Be2 Bxe2 19. Qxe2 Ne4 20. Nxe4 fxe4 21. 0-0-0 e5 22. f3 exf3 23. Qxf3 e4 24. Qe2 Rf8 25. Rhf1 Kc7 26. c3 Qg5 27. Kd2 Rf6 28. Rxf6 Qxf6 29. Rf1 Qh6 30. Qf2 Rd8 31. Qf4+ Rd6 32. Qf7+ Rd7 33. Qf4+ Rd6 34. Qf7+ Kb6 35. Rf2 Rg6 36. Qf8 Rg7 37. Qb4+ Kc7 38. Qf8 Kb6 39. Qb4+ 1/2-1/2

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.04"]
[Round "3"]
[White "Carstensen, Claas"]
[Black "Klawitter, Rolf"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1563"]
[BlackElo "1336"]
[PlyCount "82"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Nc6 5. e3 Bf5 6. Be2 Qb6 7. Qb3 c4 8. Qxb6 axb6 9. 0-0 e6 10. Nbd2 Be7 11. b3 b5 12. bxc4 bxc4 13. Rab1 0-0 14. Rxb7 Rxa2 15. Rc7 Ra6 16. Nh4 Ne4 17. Nxe4 Bxh4 18. Ng5 Bxg5 19. Bxg5 Rfa8 20. h3 h6 21. Bf4 Na5 22. Ra1 Nb3 23. Rxa6 Rxa6 24. Rc8+ Kh7 25. Rc7 Bg6 26. f3 Ra1+ 27. Kh2 Re1 28. Bxc4 dxc4 29. e4 Re2 30. Rxc4 Nd2 31. Bxd2 Rxd2 32. Rc5 Rd3 33. Kg3 Bxe4 34. Kf4 Bg6 35. g4 f6 36. h4 Kg8 37. h5 Bf7 38. Rc8+ Kh7 39. Ke4 Rd1 40. Rc7 Bg8 41. c4 Kh8 1/2-1/2

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.04"]
[Round "4"]
[White "Kellner, Anton"]
[Black "Carstensen, Claas"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1186"]
[BlackElo "1563"]
[PlyCount "86"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5 h6 6. Bh4 Nbd7 7. e3 Be7 8. Bd3 0-0 9. 0-0 Qb6 10. Qd2 Re8 11. Rac1 a6 12. Bg3 Nh5 13. Bb1 Nxg3 14. fxg3 Nf6 15. b3 Bd7 16. Ne5 Rad8 17. Qc2 cxd4 18. Nxd7 Rxd7 19. Na4 Qa7 20. exd4 Qxd4+ 21. Qf2 Qxf2+ 22. Rxf2 b5 23. cxb5 axb5 24. Nc3 Bc5 25. Nxb5 Bxf2+ 26. Kxf2 Ne4+ 27. Kg1 Nd6 28. Nd4 e5 29. Nf3 e4 30. Nd4 Rc8 31. Rxc8+ Nxc8 32. a4 e3 33. Kf1 Kf8 34. Nf5 d4 35. Bd3 Ne7 36. Nxe7 Kxe7 37. Ke2 g5 38. Kd1 Rc7 39. Ke2 Kd6 40. Kf3 Rc3 41. Bc4 f5 42. a5 Rc2 43. a6 Rf2# 0-1

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.03"]
[Round "1"]
[White "Carstensen, Claas"]
[Black "Giraud, Valerian"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1563"]
[BlackElo "2026"]
[PlyCount "60"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 Nd5 8. Be5 d6 9. c4 dxe5 10. cxd5 exd4 11. dxe6 fxe6 12. Qb3 Bd5 13. Qd3 c5 14. Ne5 Bf6 15. Bxd5 Qxd5 16. Nef3 Nc6 17. Qe4 Rad8 18. Rad1 e5 19. b3 g6 20. Qxd5+ Rxd5 21. Ne4 Bg7 22. e3 Rxf3 23. Ng5 Rf8 24. Ne6 Rf7 25. Ng5 Re7 26. exd4 exd4 27. Rfe1 Rxg5 28. Rxe7 Nxe7 29. b4 cxb4 30. Rxd4 Bxd4 0-1

[Event "Blankenese op 3rd"]
[Site "Hamburg"]
[Date "2019.10.03"]
[Round "2"]
[White "Rosin, Ida"]
[Black "Carstensen, Claas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1090"]
[BlackElo "1563"]
[PlyCount "119"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 0-0 6. 0-0 d6 7. h3 Bd7 8. Bg5 h6 9. Bh4 a6 10. Nd5 g5 11. Bg3 Nh5 12. Nxe5 Nxg3 13. Nxd7 Nxf1 14. Nxf8 Kxf8 15. Qxf1 Ne7 16. Ne3 Bd4 17. c3 Bg7 18. f4 Ng6 19. fxg5 Ne5 20. g6 Qf6 21. Qxf6 Bxf6 22. Rf1 Kg7 23. Bd5 c6 24. Bb3 fxg6 25. Bc2 Bg5 26. Ng4 Nxg4 27. hxg4 Be3+ 28. Kh2 Rf8 29. Rxf8 Kxf8 30. Kg3 Ke7 31. Kf3 Bc1 32. b3 Bb2 33. c4 Kf6 34. Bd1 Ke5 35. Ke3 Bc1+ 36. Kf3 Kd4 37. Be2 Kc3 38. e5 dxe5 39. Ke4 Bf4 40. c5 Kb4 41. d4 exd4 42. Kxf4 Kxc5 43. a3 b5 44. b4+ Kd5 45. Bd3 g5+ 46. Kf5 c5 47. bxc5 Kxc5 48. Kg6 b4 49. axb4+ Kxb4 50. Bxa6 Kc5 51. Bd3 Kd5 52. Kxh6 Ke6 53. Kxg5 Kf7 54. Kh6 Kg8 55. g5 Kh8 56. g6 Kg8 57. g7 Kf7 58. Kh7 Ke6 59. g8Q+ Ke5 60. Qg5+ 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "1.44"]
[White "Carstensen, Claas"]
[Black "Albers, Andreas"]
[Result "0-1"]
[ECO "B32"]
[BlackElo "1876"]
[PlyCount "46"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Bb5 Qa5+ 5. c3 Qxb5 6. Nxd4 Nxd4 7. cxd4 e6 8. Nc3 Bb4 9. a3 Bxc3+ 10. bxc3 Nf6 11. e5 Nd5 12. Qc2 Qc4 13. Bd2 b6 14. Rc1 Ba6 15. Be3 Rc8 16. Qd2 0-0 17. Rc2 f6 18. Bf4 Nxf4 19. Qxf4 fxe5 20. Qxe5 Rf5 21. Qe4 Rb5 22. Rc1 Rb2 23. Rc2 Rb1+ 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "7.41"]
[White "Carstensen, Claas"]
[Black "Reinecke, Gerd"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1460"]
[PlyCount "67"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e3 c5 2. Nc3 d5 3. Nf3 Nf6 4. g3 Nc6 5. d4 Bg4 6. Bg2 cxd4 7. exd4 e6 8. 0-0 Be7 9. Bf4 0-0 10. Qd2 Rc8 11. Rae1 Bb4 12. a3 Bxc3 13. Qxc3 Ne5 14. Qb3 Nxf3+ 15. Bxf3 Bxf3 16. Qxf3 Rxc2 17. Qb3 Rc4 18. Qxb7 Qb6 19. Qxb6 axb6 20. Be5 Rfc8 21. f4 Rc2 22. b4 Ra2 23. Rc1 Rcc2 24. Rxc2 Rxc2 25. a4 Kf8 26. Ra1 Nd7 27. a5 f6 28. a6 Rc8 29. Bd6+ Ke8 30. b5 Kd8 31. Re1 Rc4 32. Ra1 Rc8 33. Kf2 Ra8 34. Re1 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "4.37"]
[White "Carstensen, Claas"]
[Black "Schulz, Hans Juergen"]
[Result "0-1"]
[ECO "D30"]
[BlackElo "1756"]
[PlyCount "72"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Bf4 Bd6 4. Bd2 b6 5. Nf3 Qe7 6. g3 Nd7 7. Bg2 Bb7 8. 0-0 h6 9. Nc3 Ngf6 10. Nb5 dxc4 11. Nxd6+ cxd6 12. Qc2 Rc8 13. Rfe1 d5 14. a3 a5 15. Bf4 0-0 16. Ne5 Nxe5 17. Bxe5 Nd7 18. Bf4 e5 19. dxe5 Nxe5 20. Rad1 Rfd8 21. e4 Nd3 22. Re2 Nxf4 23. gxf4 d4 24. Qd2 Ba6 25. Ree1 c3 26. bxc3 Rxc3 27. Qb2 Qc5 28. Rc1 Rc8 29. Rb1 b5 30. Bf1 Rc2 31. Qb3 d3 32. Re3 Rc3 33. Qd1 b4 34. axb4 axb4 35. Bxd3 Rd8 36. Rb3 Rc1 0-1

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "2.44"]
[White "Grabbel, Lennart Christian"]
[Black "Carstensen, Claas"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1714"]
[PlyCount "49"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. d4 e6 6. Nc3 Bb4 7. Bf4 Nc6 8. a3 Bxc3+ 9. bxc3 0-0 10. Bd3 Bd7 11. 0-0 Rc8 12. e5 Nd5 13. Bd2 Qe7 14. Qc2 h6 15. Rfe1 Rfd8 16. Re4 a6 17. c4 Nb6 18. Qc1 Kf8 19. Bxh6 gxh6 20. Rg4 Ke8 21. Rg8+ Qf8 22. Rxf8+ Kxf8 23. Qxh6+ Ke7 24. Qf6+ Ke8 25. Ng5 1-0

[Event "Blankenese op 1st"]
[Site "Hamburg"]
[Date "2017.10.03"]
[Round "6.41"]
[White "Joeckel, Nick"]
[Black "Carstensen, Claas"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1194"]
[PlyCount "68"]
[EventDate "2017.09.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 Nc6 3. Bc4 b6 4. Nf3 Bb7 5. 0-0 Bc5 6. d4 Bb4 7. a3 Bxc3 8. bxc3 d5 9. exd5 exd5 10. Bb3 Nge7 11. Re1 0-0 12. Ne5 Nxe5 13. Rxe5 Ng6 14. Rh5 Re8 15. Rh3 Bc8 16. Rh5 Qe7 17. Be3 c6 18. c4 Qe4 19. Qf3 Bg4 20. Qxe4 Rxe4 21. f3 Rxe3 22. fxg4 dxc4 23. Bxc4 Re4 24. Rf1 Rf8 25. Rhf5 Re7 26. g3 b5 27. Bb3 Rd7 28. h4 a5 29. h5 Nh8 30. d5 c5 31. c4 b4 32. a4 f6 33. Re1 Nf7 34. Rf4 Ne5 1/2-1/2

