[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.26"]
[Round "8"]
[White "Niehaus, Frank"]
[Black "Jahnz, Fabian"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2126"]
[BlackElo "2242"]
[PlyCount "86"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 h6 5. e3 Be7 6. Bd3 0-0 7. 0-0 b6 8. b3 Bb7 9. Qc2 Nbd7 10. e4 dxe4 11. Nxe4 c5 12. Bb2 Nxe4 13. Bxe4 Bxe4 14. Qxe4 Bf6 15. Rad1 Qc7 16. Bc1 cxd4 17. Nxd4 Nc5 18. Qf3 Bxd4 19. Rxd4 Rad8 20. Rfd1 Rxd4 21. Rxd4 Rd8 22. Qd1 Rxd4 23. Qxd4 Qd7 24. Qxd7 Nxd7 25. Kf1 Kf8 26. Ke2 Ke7 27. Ba3+ Kf6 28. b4 e5 29. b5 Ke6 30. Bb4 f5 31. a4 e4 32. Ke3 Ne5 33. Kd4 Nd3 34. Bf8 Nxf2 35. Bxg7 f4 36. Bxh6 Kf5 37. Bf8 Nd3 38. h4 Ne1 39. h5 e3 40. h6 e2 41. h7 Nf3+ 42. Kd5 e1Q 43. h8Q Qe6# 0-1

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.25"]
[Round "7"]
[White "Poltorak, Sebastian"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2417"]
[BlackElo "2126"]
[PlyCount "73"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nge2 0-0 6. 0-0 c5 7. d3 Nc6 8. h3 Rb8 9. g4 b5 10. Ng3 b4 11. Nce2 a5 12. Rb1 a4 13. b3 Nd7 14. f4 Bb7 15. g5 Ra8 16. Bb2 axb3 17. axb3 Bxb2 18. Rxb2 Qb6 19. Kh1 Ra5 20. Qd2 Rfa8 21. h4 Nd4 22. Bh3 Nb8 23. Nxd4 cxd4 24. Rbb1 Nc6 25. h5 Qc5 26. f5 Bc8 27. hxg6 hxg6 28. Qf2 Ne5 29. fxg6 Bxh3 30. gxf7+ Kf8 31. Qh2 Ng6 32. Qxh3 Qxg5 33. Nf5 Nf4 34. Rxf4 Qxf4 35. Qh8+ Kxf7 36. Qg7+ Ke6 37. Qxe7# 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.24"]
[Round "6"]
[White "Niehaus, Frank"]
[Black "Rose, Daniel"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2126"]
[BlackElo "2022"]
[PlyCount "47"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. c4 c6 5. e3 e6 6. Nc3 Nd7 7. Nf3 f5 8. Qc2 dxc4 9. Bxc4 Nb6 10. Bb3 Nd5 11. Nxd5 cxd5 12. Ba4+ Bd7 13. Bxd7+ Qxd7 14. 0-0 Bd6 15. Rac1 0-0 16. Qd2 f6 17. Rc2 Kh8 18. Rfc1 Qg7 19. g3 Rg8 20. Ne1 Qh6 21. Ng2 Qg7 22. Qe2 Qd7 23. Qf3 Rac8 24. Rb1 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.23"]
[Round "5"]
[White "Krefenstein, Sergej"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "2014"]
[BlackElo "2126"]
[PlyCount "90"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 h5 9. 0-0-0 b5 10. Nd5 Bb7 11. Nb6 Qxb6 12. Ne6 Qc6 13. Nxg7+ Kf8 14. Bh6 Ng8 15. Ne6+ Ke8 16. Nd4 Qc7 17. Bg5 Nd7 18. Kb1 Rc8 19. Bd3 Nc5 20. h3 Kf8 21. c3 Nxd3 22. Qxd3 Qc5 23. h4 Kg7 24. Nb3 Qc4 25. Qe3 Nf6 26. Na5 Qc7 27. Nxb7 Qxb7 28. Bxf6+ Kxf6 29. Qd4+ Ke6 30. f4 Qc6 31. f5+ gxf5 32. exf5+ Kd7 33. Rhe1 Rhg8 34. Qe5 Rce8 35. f6 e6 36. Qxh5 Ref8 37. Re2 Rg6 38. Qe5 Kc7 39. Qf4 Rfg8 40. Red2 e5 41. Qf5 Rxg2 42. Qh7 Rxd2 43. Rxd2 Rg1+ 44. Kc2 Qc4 45. b3 Qe6 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.22"]
[Round "4"]
[White "Niehaus, Frank"]
[Black "Torosyan, Bagrat"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2126"]
[BlackElo "2145"]
[PlyCount "95"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Be7 10. c3 0-0 11. Re1 Nxd2 12. Qxd2 Na5 13. Bc2 c5 14. Qf4 Re8 15. Qg3 Nc6 16. Ng5 g6 17. Nxe6 fxe6 18. Bxg6 Bh4 19. Qg4 hxg6 20. Qxg6+ Kh8 21. Qh6+ Kg8 22. g3 Qe7 23. Qxh4 Qxh4 24. gxh4 Rf8 25. Bg5 Rf5 26. f4 Ra7 27. Rad1 d4 28. cxd4 Nxd4 29. Kg2 Rff7 30. b4 Nc2 31. Rd8+ Rf8 32. Rxf8+ Kxf8 33. Rc1 Nxb4 34. Rxc5 Nxa2 35. Rc8+ Kg7 36. Bf6+ Kg6 37. Rg8+ Kh7 38. Re8 Kg6 39. Rg8+ Kh7 40. Rh8+ Kg6 41. Kf3 Rc7 42. Kg4 Rc2 43. h5+ Kf7 44. Rh7+ Kf8 45. h6 Rg2+ 46. Kh3 Rg6 47. Bg5 Nc3 48. Rc7 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.21"]
[Round "3"]
[White "Niehaus, Frank"]
[Black "Richter, Michael"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2126"]
[BlackElo "2402"]
[PlyCount "146"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 0-0 6. Nbd2 b6 7. 0-0 Bb7 8. c3 Nbd7 9. Ne5 Ne4 10. Qc2 Ndf6 11. b3 c5 12. Bb2 Rc8 13. Rac1 e6 14. Qd1 Qe7 15. Qe2 Rfd8 16. Rfd1 Nxd2 17. Qxd2 Ne4 18. Qe2 Nd6 19. Rf1 f6 20. Nf3 c4 21. Bb1 Qc7 22. Nd2 f5 23. Nf3 a5 24. Qf2 Ne4 25. Bxe4 fxe4 26. Ne5 Ba6 27. Rfe1 Qe7 28. Qd2 Bxe5 29. fxe5 Rf8 30. b4 axb4 31. cxb4 Bb5 32. Bc3 Rf5 33. Rf1 Rcf8 34. Rxf5 exf5 35. a3 g5 36. Rf1 Qa7 37. Ra1 Ba4 38. Qe2 Qg7 39. Kh1 Qg6 40. Rf1 Bd7 41. Bd2 h6 42. Qf2 Kg7 43. Ra1 Ba4 44. Rc1 Kf7 45. Rf1 Ke6 46. Bc1 Qh5 47. Qd2 f4 48. exf4 Rxf4 49. Qe1 Rf7 50. Kg1 Kd7 51. Bd2 Kc6 52. Rxf7 Qxf7 53. Qf2 Qe6 54. h3 Kb7 55. Qf8 Bd7 56. Qf2 Ka6 57. Qf8 Kb7 58. Qf2 Qe7 59. Qf1 Ka6 60. Kh2 Qe6 61. Qf8 Kb7 62. Qf1 g4 63. hxg4 Qxg4 64. Qf4 Qxf4+ 65. Bxf4 c3 66. Bxh6 Ka6 67. Bc1 Kb5 68. Kg3 Kc4 69. Be3 Kd3 70. Kf4 b5 71. g3 Ke2 72. Bc1 Kd1 73. Be3 c2 0-1

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.20"]
[Round "2"]
[White "Noeldner, Julian"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2279"]
[BlackElo "2126"]
[PlyCount "41"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Bxc6 bxc6 8. Nxe5 0-0 9. Nc3 Qe8 10. Nd3 Bd4 11. e5 Bxe5 12. Re1 d6 13. Bf4 Nd7 14. Bxe5 dxe5 15. Qe2 Qf7 16. f3 Re8 17. Qe4 Bb7 18. Qb4 Rab8 19. Qa5 Nb6 20. Nxe5 Qf5 21. Nxc6 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2025.04.19"]
[Round "1"]
[White "Vollmar, Timo"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1882"]
[BlackElo "2126"]
[PlyCount "64"]
[EventDate "2025.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. g4 Rc8 11. h4 Ne5 12. h5 Qa5 13. Kb1 Nxf3 14. Nxf3 Rxc3 15. Qxc3 Qxc3 16. bxc3 Nxe4 17. Bd4 Bxg4 18. Bg2 e5 19. Be3 Nxc3+ 20. Kc1 Nxd1 21. Rxd1 e4 22. hxg6 exf3 23. gxh7+ Kxh7 24. Bf1 Bh6 25. Bxh6 Kxh6 26. Rxd6+ Kg5 27. Kd2 Re8 28. Rd4 Re7 29. Bd3 Rd7 30. Rxd7 Bxd7 31. Ke3 Kg4 32. Be4 Bc6 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2024.07.26"]
[Round "7"]
[White "Foerster, Jonas"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2266"]
[BlackElo "2147"]
[PlyCount "74"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. h3 c6 11. Qf3 Re8 12. Bg5 h6 13. Bf4 Bd6 14. Rfe1 Rxe1+ 15. Rxe1 Bxf4 16. Qxf4 Be6 17. Na4 Qa5 18. Rd1 c5 19. b3 Bd7 20. Rb1 c4 21. Bf5 Bxa4 22. bxa4 Re8 23. Rb7 Qe1+ 24. Kh2 Qe5 25. Qxe5 Rxe5 26. Bd7 Nxd7 27. Rxd7 Re2 28. Rxd5 Rxf2 29. Ra5 Rxc2 30. Rxa7 Rxa2 31. a5 c3 32. Rc7 c2 33. a6 Rxa6 34. Rxc2 Ra3 35. Rc7 g6 36. Rb7 Kg7 37. Rc7 h5 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2023.07.21"]
[Round "7"]
[White "Niehaus, Frank"]
[Black "Matthes, Aaron"]
[Result "1/2-1/2"]
[ECO "B68"]
[WhiteElo "2132"]
[BlackElo "2209"]
[PlyCount "42"]
[EventDate "2023.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Kb1 Nxd4 11. Qxd4 Bc6 12. Be2 0-0 13. Bf3 h6 14. Bh4 Nxe4 15. Bxe4 Bxh4 16. Bxc6 bxc6 17. Qxd6 Qa5 18. Ne4 Rab8 19. g3 Qb5 20. b3 Rfd8 21. Qc5 Rxd1+ 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2023.07.20"]
[Round "6"]
[White "Tiarks, Jann Christian"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2218"]
[BlackElo "2132"]
[PlyCount "30"]
[EventDate "2023.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Nxe5 Nxe5 6. dxe5 c6 7. Bc4 Qa5+ 8. Bd2 Qxe5 9. Bc3 Qg5 10. Bxg8 Rxg8 11. 0-0 d5 12. f3 Bc5+ 13. Bd4 Bh3 14. Rf2 Bxd4 15. Qxd4 Qc1+ 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.05.07"]
[Round "9.8"]
[White "Schabe, Felix"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1966"]
[BlackElo "2135"]
[PlyCount "28"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Empor"]
[BlackTeam "König Tegel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Na6 14. 0-0 Nc7 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.04.23"]
[Round "8.7"]
[White "Ziern, Michael"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1928"]
[BlackElo "2142"]
[PlyCount "45"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt/O"]
[BlackTeam "König Tegel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 d5 8. exd5 a6 9. Nc3 Nf6 10. d4 c4 11. Qe2 Nxd5 12. Qxc4 Be6 13. Ng5 Nb6 14. Nxe6 Nxc4 15. Nxd8 Rxd8 16. Ne2 0-0 17. c3 b5 18. b3 Nb6 19. Ba3 Rd7 20. Rad1 Re8 21. Rf3 Nd5 22. Bc5 e6 23. Rc1 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2023.04.15"]
[Round "8"]
[White "Niehaus, Frank"]
[Black "Richter, Michael"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2142"]
[BlackElo "2465"]
[PlyCount "128"]
[EventDate "2023.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. Nf3 0-0 7. Bd3 Nc6 8. 0-0 Nb4 9. Be2 dxc4 10. Bxc4 c6 11. Ne5 Nbd5 12. Re1 Be6 13. Bb3 Re8 14. Bg5 Qb6 15. Nc4 Qc7 16. Ne5 Nxc3 17. bxc3 Nd5 18. Bxe7 Rxe7 19. Rc1 Rae8 20. Qd2 Nf6 21. h3 h6 22. Nd3 b6 23. Re5 Nd7 24. Re3 Qd6 25. Rce1 Bf5 26. Rxe7 Rxe7 27. Rxe7 Qxe7 28. Ne1 Kf8 29. Nf3 Qe4 30. Qe3 c5 31. Nd2 Qxe3 32. fxe3 cxd4 33. exd4 Nf6 34. Nf3 Bd7 35. c4 Ne4 36. Kf1 g5 37. Ne5 Be8 38. Ke2 f5 39. Ke3 Ng3 40. a4 Ke7 41. a5 f4+ 42. Kd3 Kd6 43. axb6 axb6 44. c5+ bxc5 45. Nc4+ Kc7 46. dxc5 Bc6 47. Ne5 Bxg2 48. Be6 Ne4 49. Bg4 Nf2+ 50. Ke2 Nxg4 51. hxg4 Bd5 52. Kd3 Be6 53. Ke4 Kb7 54. Kd4 Ka6 55. Ke4 Kb5 56. Kd4 Bc8 57. c6 Be6 58. Ke4 Kc5 59. c7 Kd6 60. Nf7+ Kxc7 61. Nxh6 Kd6 62. Nf5+ Bxf5+ 63. gxf5 Ke7 64. Kf3 Kf7 0-1

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2023.04.09"]
[Round "2"]
[White "Foerster, Jonas"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2295"]
[BlackElo "2142"]
[PlyCount "117"]
[EventDate "2023.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. 0-0 Nc6 7. d3 e5 8. Rb1 a5 9. e4 Bg4 10. Be3 Nd4 11. Bxd4 exd4 12. Ne2 Bxf3 13. Bxf3 Nd7 14. Qc2 Nc5 15. b3 c6 16. a3 Qc7 17. h4 Rae8 18. b4 axb4 19. axb4 Nd7 20. Bg2 Ra8 21. Ra1 Qb6 22. Bh3 Nf6 23. Ra4 Rxa4 24. Qxa4 Re8 25. Nc1 Qd8 26. Nb3 Nd7 27. f4 Nf6 28. Qa7 Nh5 29. Kh2 f5 30. Nxd4 c5 31. Nf3 fxe4 32. dxe4 Rxe4 33. Qxb7 Re2+ 34. Bg2 Nf6 35. bxc5 dxc5 36. Re1 Rxe1 37. Nxe1 Ng4+ 38. Kh3 Nf2+ 39. Kh2 Ng4+ 40. Kh1 Nf2+ 41. Kg1 Bd4 42. Qd5+ Qxd5 43. Bxd5+ Kg7 44. Nf3 Nd3+ 45. Kf1 Bf6 46. Ke2 Nc1+ 47. Ke3 Nb3 48. g4 Be7 49. Be6 Na5 50. g5 Nc6 51. Ke4 Nb4 52. Bg4 Bd6 53. h5 Na2 54. h6+ Kh8 55. Ne5 Kg8 56. Kd5 Bxe5 57. fxe5 Nc3+ 58. Kxc5 Ne4+ 59. Kb6 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2023.04.08"]
[Round "1"]
[White "Niehaus, Frank"]
[Black "Baskin, Robert"]
[Result "1/2-1/2"]
[ECO "B68"]
[WhiteElo "2142"]
[BlackElo "2442"]
[PlyCount "104"]
[EventDate "2023.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. Bd3 b4 12. Ne2 a5 13. Kb1 Qb6 14. h4 0-0-0 15. h5 h6 16. Bh4 Kb8 17. Nc1 a4 18. Bf2 Qa5 19. Nd4 Nxd4 20. Bxd4 e5 21. Bf2 Bg4 22. Rde1 d5 23. fxe5 Nxe4 24. Bxe4 dxe4 25. Qf4 Be6 26. Rxe4 Rd7 27. Rd4 Rxd4 28. Bxd4 Rd8 29. Qf2 Qd5 30. Rd1 Bc5 31. Bxc5 Qxd1 32. Bd6+ Rxd6 33. exd6 Qxd6 34. Qe2 Qc5 35. Nd3 Qg1+ 36. Nc1 Qc5 37. Nd3 Qd4 38. Nc1 Kc7 39. Qa6 Bd7 40. Qa5+ Kb7 41. Nd3 Bc6 42. Qf5 Qg1+ 43. Nc1 Qxg2 44. Qxf7+ Kb6 45. Qf8 Qg4 46. Qb8+ Ka6 47. Qd6 Kb7 48. Qe7+ Kc8 49. Qd6 Bd7 50. Qf8+ Kc7 51. Qc5+ Kb7 52. Qd6 Bc6 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.03.19"]
[Round "7.8"]
[White "Niehaus, Frank"]
[Black "Zhou, Lepu Coco"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2145"]
[BlackElo "2034"]
[PlyCount "75"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "König Tegel"]
[BlackTeam "Berlin Weisse Dame"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. exf6 Nxf6 13. Be3 Qd8 14. Nd6+ Bxd6 15. Qxd6 Ba6 16. Kf3 Qa5 17. Bc5 0-0-0 18. Bxa7 Qh5+ 19. Ke3 Ng4+ 20. Kd2 Kb7 21. Bd4 Qa5+ 22. b4 Qa3 23. Bd3 Nf6 24. Qc5 Kc8 25. Rhb1 Bb7 26. Rb3 Qa8 27. b5 d6 28. Qg5 c5 29. Bxf6 gxf6 30. Qxf6 Bxg2 31. Qxe6+ Kb8 32. Kc2 Rhe8 33. Qf7 Qf3 34. Kb2 Qf2+ 35. Ka3 Qd2 36. b6 Qa5+ 37. Kb2 Qd2+ 38. Ka3 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.02.26"]
[Round "6.8"]
[White "Schmekel, Felix"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "E82"]
[WhiteElo "2103"]
[BlackElo "2121"]
[PlyCount "64"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Torgelow Droegeheide"]
[BlackTeam "König Tegel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 b6 7. Nge2 c5 8. d5 e6 9. g4 exd5 10. cxd5 Re8 11. Ng3 Nbd7 12. h4 Ne5 13. Be2 a6 14. g5 Nh5 15. Nxh5 gxh5 16. a4 Bd7 17. Kf2 Qc7 18. Rc1 Qb7 19. b3 b5 20. Qc2 Rab8 21. Rb1 Qc7 22. Bf1 c4 23. Ne2 bxa4 24. bxa4 Rxb1 25. Qxb1 Rb8 26. Qd1 Qa5 27. Bd2 Qc5+ 28. Kg2 Nd3 29. Be1 Bxa4 30. Qxa4 Nxe1+ 31. Kg3 Qe3 32. Ng1 Be5+ 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8"]
[White "Schmidt, Dietrich"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1878"]
[BlackElo "2089"]
[PlyCount "80"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. d3 Nge7 7. 0-0 0-0 8. Qe1 d5 9. Bb3 Nd4 10. Nxd4 cxd4 11. Ne2 dxe4 12. dxe4 Qb6 13. Kh1 a5 14. Bc4 Qc5 15. Bd3 f5 16. Ng1 Bd7 17. Nf3 Nc6 18. a3 Rfe8 19. Bd2 b5 20. Qe2 Rab8 21. Rfc1 b4 22. a4 Rbd8 23. e5 Bc8 24. Bb5 Re7 25. Ne1 Rc7 26. Nd3 Qe7 27. b3 Na7 28. Bc4 Bb7 29. Nb2 Nc8 30. Bd3 Nb6 31. Nc4 Nxc4 32. Bxc4 Bd5 33. Bd3 Bh6 34. Kg1 Kh8 35. Qf2 Bb7 36. Rf1 Bf8 37. Rad1 Be4 38. Qe2 Qc5 39. Rc1 Qd5 40. Kh1 Qb7 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.30"]
[Round "7"]
[White "Niehaus, Frank"]
[Black "Brustkern, Juergen"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2089"]
[BlackElo "2182"]
[PlyCount "52"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nc4 Be7 9. Ne3 Nf6 10. g3 h5 11. Bg2 h4 12. 0-0 h3 13. Bh1 g6 14. Ncd5 Rc8 15. c3 0-0 16. f4 exf4 17. gxf4 Bxd5 18. exd5 Nb8 19. Bf3 Qb6 20. Kh1 Rfe8 21. Qd3 Nbd7 22. b4 Bf8 23. Bd2 Bg7 24. Rfe1 Re7 25. Nc2 Rce8 26. Rxe7 Rxe7 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6"]
[White "Jandke, Manfred"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2061"]
[BlackElo "2089"]
[PlyCount "47"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nf3 Bg7 4. Bg2 d6 5. d4 0-0 6. 0-0 Nc6 7. b3 e5 8. Bb2 e4 9. Ne1 Re8 10. Nc2 h5 11. Nc3 h4 12. Ne3 hxg3 13. hxg3 Bh6 14. Ncd5 Nxd5 15. Nxd5 Bf5 16. e3 Nb8 17. Qc2 Nd7 18. b4 c6 19. Nc3 Nf6 20. d5 Qe7 21. dxc6 bxc6 22. Rad1 Ng4 23. Ne2 Kh7 24. Nf4 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5"]
[White "Niehaus, Frank"]
[Black "Daverkausen, Bernd"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2089"]
[BlackElo "2120"]
[PlyCount "46"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. b4 Nxb4 4. c3 Nc6 5. d4 cxd4 6. cxd4 e6 7. d5 Qf6 8. dxc6 Qxa1 9. cxd7+ Bxd7 10. Qb3 a5 11. Bd3 b5 12. 0-0 a4 13. Qc2 Rc8 14. Qe2 Nf6 15. Bf4 Rc5 16. Na3 Qc3 17. Nxb5 Qa5 18. Rb1 Rc8 19. h3 Bc5 20. Nd6+ Ke7 21. Nxc8+ Rxc8 22. Ne5 Kf8 23. Rb7 Be8 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4"]
[White "Syre, Christian"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2197"]
[BlackElo "2089"]
[PlyCount "47"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nc6 14. 0-0 Nb4 15. Bc4 h6 16. Bd2 Nc6 17. Rac1 a6 18. Rfd1 Be6 19. Bxe6 Rxe6 20. Be1 Re7 21. Rd5 Rae8 22. Kf1 Kh7 23. a4 Kg8 24. b4 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3"]
[White "Niehaus, Frank"]
[Black "Willin, Bernhard"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2089"]
[BlackElo "1912"]
[PlyCount "37"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 e6 9. 0-0 Ne7 10. Ne4 Nd5 11. Bb3 f5 12. exf6 Nxf6 13. Bg5 Be7 14. Bxf6 Bxf6 15. Nd6+ Kf8 16. Qf3 g6 17. Rad1 Qe7 18. Nxc8 Rxc8 19. Rxd7 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2"]
[White "Bruening, Wolfgang"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1850"]
[BlackElo "2089"]
[PlyCount "68"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 c6 7. Qd2 Nbd7 8. Bh6 Qa5 9. Bd3 e5 10. Bxg7 Kxg7 11. dxe5 dxe5 12. Qe3 Re8 13. 0-0 Nh5 14. a3 Nf8 15. Kh2 Qb6 16. Qxb6 axb6 17. Rfd1 b5 18. Bf1 Nf6 19. Rd2 b4 20. Nb1 Nxe4 21. Re2 f5 22. Nxe5 Rxe5 23. f3 Nd7 24. fxe4 Rxe4 25. Rxe4 fxe4 26. Nd2 bxa3 27. bxa3 Nc5 28. Nc4 Be6 29. Kg3 Bxc4 30. Bxc4 Kf6 31. Kf4 g5+ 32. Ke3 Ke5 33. g3 b5 34. Bb3 Rf8 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1"]
[White "Niehaus, Frank"]
[Black "Schindler, Rudolf"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2089"]
[BlackElo "1756"]
[PlyCount "49"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 7. Be3 Be7 8. 0-0 0-0 9. h3 exf4 10. Bxf4 Bh5 11. Ne2 Nbd7 12. c3 Bg6 13. Ng3 Nh5 14. Nxh5 Bxh5 15. Qc2 Bg6 16. b4 Qd8 17. Rae1 Rc8 18. c4 d5 19. exd5 cxd5 20. c5 Nb6 21. Bxg6 fxg6 22. Qe2 Nc4 23. Qxe7 Rxf4 24. Qe6+ Kh8 25. Ng5 1-0

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.01.15"]
[Round "4.8"]
[White "Syre, Christian"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2197"]
[BlackElo "2089"]
[PlyCount "33"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Kreuzberg"]
[BlackTeam "König Tegel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nc6 14. Rd1 Nb4 15. 0-0 Nxd5 16. exd5 Bd7 17. Rfe1 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.12.11"]
[Round "3.6"]
[White "Niehaus, Frank"]
[Black "Lange, Jannis"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2089"]
[BlackElo "2094"]
[PlyCount "82"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "König Tegel"]
[BlackTeam "Greifswald"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 c5 4. dxc5 Qa5+ 5. Nd2 Nxd2 6. Qxd2 Qxc5 7. Rh3 Nc6 8. 0-0-0 h6 9. Be3 Qc4 10. Kb1 d6 11. Rg3 e5 12. Qd3 Qxh4 13. Nf3 Qf6 14. Bc1 Be6 15. e4 Qd8 16. a3 Rc8 17. Qb5 Qc7 18. Nd2 a6 19. Qa4 Qa5 20. Qxa5 Nxa5 21. b3 g5 22. Be2 Ke7 23. Nf1 Bg7 24. Rgd3 Rc6 25. Bd2 b6 26. Bxa5 bxa5 27. Ne3 Rb8 28. Nd5+ Kd7 29. Kb2 f5 30. f3 Bf8 31. Rc3 Rxc3 32. Kxc3 Rc8+ 33. Kb2 Rc6 34. c4 Ke8 35. b4 axb4 36. axb4 Kd7 37. b5 axb5 38. cxb5 Rc5 39. Nb6+ Kd8 40. Na4 Rc8 41. Nc3 Rb8 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.11.27"]
[Round "2.5"]
[White "Niehaus, Frank"]
[Black "Seils, Joerg"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2093"]
[BlackElo "2324"]
[PlyCount "56"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "König Tegel"]
[BlackTeam "Pankow Rotation"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Bd2 Nf6 7. Qe2 e6 8. d5 cxd5 9. Nxd5 Qd8 10. Nxf6+ Qxf6 11. 0-0-0 Nc6 12. g4 Bg6 13. h4 0-0-0 14. Nf3 Bd6 15. Bb3 h5 16. g5 Qf5 17. Kb1 Kb8 18. Be3 Qe4 19. Nd2 Qb4 20. a3 Qg4 21. f3 Qf5 22. Ne4 Bf4 23. Bxf4+ Qxf4 24. Nc5 Qc7 25. Rxd8+ Rxd8 26. Rd1 Nd4 27. Qc4 e5 28. Ka2 Rc8 0-1

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.11.06"]
[Round "5.6"]
[White "Niehaus, Frank"]
[Black "Bachmann, Volker"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2121"]
[BlackElo "2093"]
[PlyCount "73"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "König Tegel"]
[BlackTeam "Potsdam Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Qd3 Bd7 13. Qxc3 Nf5 14. Rb1 0-0-0 15. Rg1 d4 16. Qd3 a6 17. g4 Nh4 18. Rg3 Qa5+ 19. Bd2 Qd5 20. Qb3 Qxb3 21. Rbxb3 Be8 22. Nc1 Ne7 23. Bd3 Bc6 24. Kf2 Rh8 25. h3 Bd5 26. Rb1 Nc6 27. Nb3 b5 28. Nc5 Nb8 29. Ne4 Kd7 30. Nf6+ Kc6 31. Ba5 Rc8 32. a4 bxa4 33. Rb6+ Kc5 34. Nxd5 Kxd5 35. Rd6+ Kc5 36. Bb6+ Kb4 37. Rxd4+ 1-0

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.10.23"]
[Round "1.8"]
[White "Niehaus, Frank"]
[Black "Stark, Ingo"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2093"]
[BlackElo "2106"]
[PlyCount "81"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "König Tegel"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 b5 2. e4 a6 3. Nf3 Bb7 4. Bd3 Nf6 5. Qe2 e6 6. 0-0 c5 7. c3 d6 8. Re1 Nbd7 9. Nbd2 Be7 10. Nf1 0-0 11. Ng3 Re8 12. Bd2 Qc7 13. Rad1 Rac8 14. Bc1 Bf8 15. h4 c4 16. Bc2 a5 17. Ng5 e5 18. d5 h6 19. Nh3 Rb8 20. Nf5 Kh7 21. g4 g6 22. Ng3 Bg7 23. g5 Ng8 24. Kh2 Nf8 25. gxh6 Nxh6 26. Rg1 Bc8 27. f3 Kg8 28. Qg2 Qe7 29. Bg5 f6 30. Bxh6 Bxh6 31. Nf5 Qh7 32. Nxd6 Rd8 33. Nf5 Bf4+ 34. Nxf4 exf4 35. Kh1 Kf7 36. Nd4 Qxh4+ 37. Qh2 Qxh2+ 38. Kxh2 Bd7 39. Rge1 Re8 40. Kg2 g5 41. Rh1 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.17"]
[Round "9"]
[White "Schliebener, Stephan"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2107"]
[BlackElo "2089"]
[PlyCount "143"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nge2 Nd7 11. Be3 Nde5 12. Nf4 e6 13. Rd1 Rxd1+ 14. Kxd1 b6 15. Bd2 Bb7 16. Be2 Rd8 17. Kc1 Bh6 18. Be3 Nd4 19. b3 Nec6 20. Rd1 Bg7 21. Bd2 Nb4 22. Kb1 Nbc6 23. Be1 h6 24. Bd3 Kh7 25. Nfe2 Kg8 26. Nxd4 Nxd4 27. Ne2 Nc6 28. Bc2 Rxd1+ 29. Bxd1 Kf8 30. Kc2 Ke7 31. a3 Kd7 32. Bf2 Ba6 33. a4 Kc7 34. f4 Bb7 35. Kd3 Nb4+ 36. Ke3 Nc6 37. g3 Kd7 38. e5 Bf8 39. Kd2 Bb4+ 40. Nc3 Ne7 41. Kd3 Bg2 42. Na2 Bc5 43. Bxc5 bxc5 44. b4 Kc6 45. b5+ Kb6 46. Nc1 Bf1+ 47. Kc3 Nf5 48. Be2 Bxe2 49. Nxe2 Ka5 50. Kb3 h5 51. Nc3 Nd4+ 52. Ka3 Nc2+ 53. Kb2 Nd4 54. Ne4 Kxa4 55. Kc3 Ne2+ 56. Kd3 Nc1+ 57. Kc2 Ne2 58. Nxc5+ Kb4 59. Nb7 Kxc4 60. Nd6+ Kc5 61. Nxf7 Nd4+ 62. Kd3 Nxb5 63. Nh8 a5 64. Nxg6 a4 65. Nf8 Kd5 66. Nd7 a3 67. Nf6+ Kc5 68. Kc2 Kb4 69. Ne4 Nd4+ 70. Kb1 Kb3 71. Nc5+ Kc4 72. Ne4 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.16"]
[Round "8"]
[White "Niehaus, Frank"]
[Black "Dathe, Frederick"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2089"]
[BlackElo "2094"]
[PlyCount "53"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 g6 3. e3 Bg7 4. d4 Nf6 5. Bd3 Nc6 6. c3 d5 7. dxc5 a5 8. Bb5 0-0 9. 0-0 Ne4 10. Nd4 Na7 11. Be2 Nxc5 12. Nd2 Nc6 13. N2f3 Ne4 14. Bd2 a4 15. Qc2 Qb6 16. Be1 Bd7 17. Bd3 Rfc8 18. Qe2 a3 19. b3 Nxd4 20. cxd4 Nc3 21. Bxc3 Rxc3 22. Rfc1 Rac8 23. Qd2 Qc7 24. Rxc3 Qxc3 25. Qxc3 Rxc3 26. Rd1 Bg4 27. Kf2 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.15"]
[Round "7"]
[White "Nemitz, Alfred"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1677"]
[BlackElo "2089"]
[PlyCount "40"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Na6 7. f3 c5 8. d5 e6 9. Qd2 exd5 10. cxd5 Re8 11. g4 Bxg4 12. fxg4 Nxe4 13. Nxe4 Rxe4 14. 0-0-0 Qb6 15. b3 Rae8 16. Bf2 Qd8 17. Bd3 Qf6 18. Bxe4 Rxe4 19. Bd4 Rxd4 20. Qe3 Re4 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.14"]
[Round "6"]
[White "Niehaus, Frank"]
[Black "Heinig, Wolfram"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2089"]
[BlackElo "2244"]
[PlyCount "22"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Be6 7. Bg5 g6 8. Bxf6 exf6 9. c5 Bg7 10. Bb5 0-0 11. h3 f5 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.13"]
[Round "5"]
[White "Yatskar, Martin"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1785"]
[BlackElo "2089"]
[PlyCount "226"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Bg5 h6 10. Be3 Ng4 11. Bd2 f5 12. g3 Nc5 13. Nh4 Qe8 14. Nb5 Qf7 15. exf5 gxf5 16. f3 Nf6 17. Qc1 Kh7 18. Kh1 Ne8 19. Qc2 c6 20. Nc3 Bd7 21. Nd1 cxd5 22. cxd5 Nc7 23. Ne3 Nxd5 24. Nxd5 Qxd5 25. Bc4 Qc6 26. g4 d5 27. gxf5 Bf6 28. Ng6 Rg8 29. Be2 Qc8 30. Rac1 b6 31. Qc3 d4 32. Qc4 Rg7 33. Bd3 Bxf5 34. Nf8+ Kh8 35. Bxf5 Qxf5 36. Bxh6 Rxf8 37. Bxg7+ Bxg7 38. Qd5 e4 39. fxe4 Qxe4+ 40. Qxe4 Nxe4 41. Rxf8+ Bxf8 42. Kg2 Nc5 43. Rc4 Bg7 44. b4 axb4 45. Rxb4 Nd7 46. Rc4 Kg8 47. Rc7 Nc5 48. Rc6 Na4 49. Kf3 b5 50. Rc8+ Kh7 51. Rb8 Nc3 52. a3 Bf6 53. Rb6 Kg7 54. Rb7+ Kg6 55. Ra7 Kf5 56. Ra5 Bg5 57. a4 d3 58. axb5 d2 59. b6+ Ke6 60. Ra1 Bd8 61. b7 Bc7 62. h4 d1Q+ 63. Rxd1 Nxd1 64. h5 Nc3 65. Kg4 Kf6 66. Kf3 Na4 67. Ke4 Ke6 68. Kd4 Be5+ 69. Kc4 Nb6+ 70. Kb5 Nd7 71. Kc6 Nb8+ 72. Kc5 Bf4 73. Kd4 Kf5 74. Kd5 Kg5 75. Ke4 Bh2 76. Kf3 Kxh5 77. Kg2 Bc7 78. Kf3 Kg5 79. Ke4 Kf6 80. Kd5 Ke7 81. Ke4 Kd6 82. Kd4 Kc6 83. Ke4 Kxb7 84. Kd5 Nc6 85. Ke4 Ne7 86. Kf3 Kc6 87. Ke4 Kc5 88. Kf3 Kd5 89. Ke3 Be5 90. Kf3 Kd4 91. Kf2 Ke4 92. Kg2 Nd5 93. Kg1 Kf3 94. Kh1 Nf6 95. Kg1 Ne4 96. Kh1 Nf2+ 97. Kg1 Bf4 98. Kf1 Bh2 99. Ke1 Ne4 100. Kf1 Nd2+ 101. Ke1 Ke3 102. Kd1 Kd3 103. Ke1 Bg3+ 104. Kd1 Nc4 105. Kc1 Bf2 106. Kd1 Nb2+ 107. Kc1 Kc3 108. Kb1 Kb3 109. Kc1 Be3+ 110. Kb1 Nc4 111. Ka1 Bd2 112. Kb1 Na3+ 113. Ka1 Bc3# 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.12"]
[Round "4"]
[White "Niehaus, Frank"]
[Black "Schmidt, Fabian"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2089"]
[BlackElo "1869"]
[PlyCount "18"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5 Bc5 5. 0-0 Nge7 6. Ng5 g6 7. f4 d5 8. f5 h6 9. Nf3 dxe4 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.11"]
[Round "3"]
[White "Muse, Drazen"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2317"]
[BlackElo "2089"]
[PlyCount "101"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. e5 dxe5 7. dxe5 Qxd1+ 8. Kxd1 Rd8+ 9. Ke1 Nd5 10. Nxd5 Rxd5 11. Bc4 Rd8 12. Ng5 Rf8 13. Be3 h6 14. Nf3 Bf5 15. c3 Nd7 16. Rd1 Nb6 17. Bxb6 axb6 18. Nh4 Bg4 19. Nxg6 Bxd1 20. Nxe7+ Kh8 21. Kxd1 b5 22. Bxb5 Rxa2 23. Kc2 Ra5 24. Bc4 Bxe5 25. b4 Bd6 26. bxa5 Bxe7 27. Rb1 Ra8 28. Rxb7 Rxa5 29. Rxc7 Bf6 30. Rxf7 Bg7 31. Rb7 Bf8 32. g4 Bd6 33. Rf7 Rc5 34. Kd3 Rc8 35. h4 Rd8 36. Ke4 Rc8 37. Kd5 Bf8 38. f5 Kg8 39. Rd7 Bg7 40. g5 hxg5 41. hxg5 Bxc3 42. f6 Kh8 43. Bd3 Kg8 44. Ke6 Bd2 45. Bh7+ Kh8 46. Rxd2 Kxh7 47. Rd7+ Kg8 48. Kf5 Kh8 49. g6 Kg8 50. Rg7+ Kh8 51. Rh7+ 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.10"]
[Round "2"]
[White "Niehaus, Frank"]
[Black "Bartelt, Max Peter"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2089"]
[BlackElo "1915"]
[PlyCount "57"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 b6 9. h4 Ba6 10. h5 Bxf1 11. Kxf1 h6 12. dxc5 bxc5 13. Rh4 c4 14. Rg4 Kf8 15. Be3 Nd7 16. Bd4 Ne7 17. Rf4 Nf5 18. Qe2 Ke7 19. Rxf5 exf5 20. Nh4 Nf8 21. Nxf5+ Kd8 22. Qf3 Qd7 23. Nd6 Kc7 24. Qxd5 Rb8 25. Bxa7 Ne6 26. Qa5+ Kc6 27. Qa6+ Kc7 28. Bxb8+ Rxb8 29. Qa7+ 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.09"]
[Round "1"]
[White "Tedesco, Gennaro"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "E82"]
[WhiteElo "1722"]
[BlackElo "2089"]
[PlyCount "76"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 b6 7. Nge2 c5 8. Qd2 Nc6 9. d5 Ne5 10. Nc1 e6 11. Be2 exd5 12. cxd5 a6 13. a4 Nh5 14. 0-0 f5 15. f4 Ng4 16. Bxg4 fxg4 17. N1e2 Ra7 18. Rab1 Re7 19. b4 Rfe8 20. bxc5 bxc5 21. e5 Bf5 22. Rb3 c4 23. Rb4 dxe5 24. Bc5 Rf7 25. Bb6 Qc8 26. d6 Bd3 27. Nd5 exf4 28. Ne7+ Rfxe7 29. dxe7 Rxe7 30. Nxf4 Bxf1 31. Nxh5 gxh5 32. Kxf1 c3 33. Qd5+ Kh8 34. Rc4 Qf8+ 35. Bf2 Rf7 36. Qc5 Qxc5 37. Rxc5 Bd4 38. Rc8+ Kg7 0-1

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2022.05.29"]
[Round "5.6"]
[White "Niehaus, Frank"]
[Black "Stahr, Ralf Peter"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2055"]
[BlackElo "2124"]
[PlyCount "50"]
[EventDate "2021.10.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Koenig Tegel II"]
[BlackTeam "Forster"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. Bb5 Nge7 6. 0-0 a6 7. Bxc6+ Nxc6 8. d3 Be7 9. Kh1 b6 10. Qe1 dxe4 11. Nxe4 Bb7 12. Bd2 Nd4 13. Nxd4 cxd4 14. Qg3 g6 15. c4 h5 16. Qe1 0-0 17. Bb4 Bxb4 18. Qxb4 Bxe4 19. dxe4 Qc7 20. f5 Qc5 21. Qd2 Kh7 22. Qg5 exf5 23. Rxf5 Qxc4 24. Rf4 Rae8 25. Raf1 Rxe4 0-1

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2022.05.01"]
[Round "9.7"]
[White "Offermann, Fernando"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2151"]
[BlackElo "2074"]
[PlyCount "54"]
[EventDate "2021.10.31"]
[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 "Berlin SF III"]
[BlackTeam "Koenig Tegel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 e5 7. dxe5 Nfd7 8. Bb2 dxe5 9. Qc1 Nc6 10. Rd1 Re8 11. Nfd2 Qg5 12. Nc3 Nd4 13. e3 Ne6 14. a4 Qh5 15. a5 a6 16. Nd5 c6 17. Nc3 Ndc5 18. b4 Nd7 19. Nce4 Nf6 20. Nd6 Rd8 21. Nxc8 Raxc8 22. Nc4 Nd5 23. c3 Ng5 24. h4 Nf3+ 25. Kf1 Nh2+ 26. Kg1 Nf3+ 27. Kf1 Nh2+ 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.23"]
[Round "9"]
[White "Niehaus, Frank"]
[Black "Hesse, Henrik"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2074"]
[BlackElo "2191"]
[PlyCount "161"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. Bb5 Bd7 5. b3 Nf6 6. Bb2 e6 7. 0-0 Bd6 8. Bxc6 Bxc6 9. Ne5 Rc8 10. d3 0-0 11. Nd2 Nd7 12. Qg4 Nxe5 13. Bxe5 Bxe5 14. fxe5 f5 15. exf6 Rxf6 16. Rxf6 Qxf6 17. Rf1 Qe5 18. Qf4 Qxf4 19. exf4 d4 20. Nc4 Bd5 21. Ne5 b5 22. Rc1 c4 23. dxc4 bxc4 24. bxc4 Bxc4 25. Rd1 Bd5 26. Rd2 h6 27. a4 a5 28. Kf1 Rc3 29. Kg1 Ra3 30. Rxd4 Ra1+ 31. Kf2 Ra2 32. g4 Rxc2+ 33. Kg3 Rg2+ 34. Kh3 Ra2 35. Kg3 Kf8 36. h4 Ra3+ 37. Kh2 Ke7 38. g5 Rb3 39. Nd3 Kd6 40. Kg1 Rc3 41. Kf2 Rc2+ 42. Ke3 h5 43. Ne5 Rh2 44. Rd1 Rxh4 45. Nd3 Rh3+ 46. Kd4 Rf3 47. Rb1 h4 48. Rb8 h3 49. Rh8 Bc6 50. Rh4 Bd5 51. Rh8 Rg3 52. Rh4 Bg2 53. Rh7 Rf3 54. Rh4 Rf1 55. Rh8 Ra1 56. Nb2 Ra2 57. Nc4+ Ke7 58. Kc5 Rxa4 59. Kb5 Rb4+ 60. Kc5 Rxc4+ 61. Kxc4 a4 62. Kb4 Kf7 63. Kxa4 Kg6 64. Kb4 Kf5 65. Rh4 Ke4 66. Kc5 e5 67. fxe5+ Kxe5 68. g6 Bf1 69. Kc6 Kf5 70. Kd5 Kg5 71. Rh8 Bg2+ 72. Ke5 Bf1 73. Ke4 Kg4 74. Rh7 Kg3 75. Ke5 h2 76. Rxh2 Kxh2 77. Ke6 Bc4+ 78. Ke7 Kg3 79. Kf8 Bd3 80. Kxg7 Bxg6 81. Kxg6 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.22"]
[Round "8"]
[White "Eilenberg, Jonas"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2177"]
[BlackElo "2074"]
[PlyCount "69"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 0-0 9. Nf3 Nh5 10. 0-0 a6 11. a4 Nd7 12. g4 Nhf6 13. Bf4 Qe7 14. Qd2 Ne8 15. Bg3 b6 16. Rae1 Ra7 17. Nh2 Bf6 18. f4 Bh4 19. Bxh4 Qxh4 20. Qg2 Qd8 21. g5 Nb8 22. e5 Re7 23. Ng4 c4 24. Bc2 Bxg4 25. Qxg4 dxe5 26. fxe5 Nd7 27. e6 fxe6 28. dxe6 Rxf1+ 29. Rxf1 Nf8 30. Qxc4 Ng7 31. h4 Nfxe6 32. Nd5 Rf7 33. Nf6+ Kh8 34. Rd1 Qb8 35. Kg2 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.21"]
[Round "7"]
[White "Meyer Dunker, Paul"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "B75"]
[WhiteElo "2096"]
[BlackElo "2074"]
[PlyCount "118"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 h5 9. Bc4 b5 10. Bd5 Nxd5 11. Nxd5 Bb7 12. 0-0-0 Nd7 13. Bg5 Bxd5 14. exd5 Qb6 15. Rhe1 Nf6 16. Nc6 0-0 17. Nxe7+ Kh7 18. g4 hxg4 19. fxg4 Rae8 20. Re3 Rxe7 21. Rxe7 Qc5 22. Re3 Nxg4 23. Rh3+ Kg8 24. Be3 Nxe3 25. b4 Qc4 26. Qxe3 Qxa2 27. Qa3 Bh6+ 28. Rd2 Qxa3+ 29. Rxa3 Re8 30. Kd1 Bxd2 31. Kxd2 Re5 32. Rxa6 Rxd5+ 33. Ke3 Kf8 34. Ke4 Rd2 35. c3 Ke7 36. Rb6 Rxh2 37. Rxb5 f5+ 38. Ke3 Ke6 39. c4 Rh3+ 40. Kd4 Rh4+ 41. Kd3 g5 42. Rb6 g4 43. c5 g3 44. Rxd6+ Kf7 45. Rd7+ Kf6 46. Rd6+ Kg5 47. Rd8 Rg4 48. Rg8+ Kf4 49. Rxg4+ Kxg4 50. Ke2 Kh3 51. c6 g2 52. c7 g1Q 53. c8Q Qg4+ 54. Kf2 Qf4+ 55. Ke2 Qe4+ 56. Kf2 Qf4+ 57. Ke2 Qxb4 58. Qxf5+ Qg4+ 59. Qxg4+ Kxg4 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.19"]
[Round "5"]
[White "Niehaus, Frank"]
[Black "Ermitsch, Magnus"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2074"]
[BlackElo "2150"]
[PlyCount "58"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. 0-0-0 Be7 9. f3 b5 10. g4 Nxd4 11. Bxd4 Bb7 12. g5 Nh5 13. Be3 b4 14. Ne2 d5 15. Nf4 Nxf4 16. Bxf4 Qa5 17. Kb1 0-0 18. e5 d4 19. Qg2 Qd5 20. Be2 a5 21. Rhf1 a4 22. Bd3 Rfb8 23. h4 b3 24. cxb3 axb3 25. a3 Bxa3 26. bxa3 b2 27. Rd2 Rxa3 28. Bxh7+ Kxh7 29. Rxb2 Rba8 0-1

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.18"]
[Round "4"]
[White "Piz, Maxim"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2143"]
[BlackElo "2074"]
[PlyCount "145"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. e3 d6 6. d4 b6 7. Be2 c5 8. 0-0 Bb7 9. d5 Bc8 10. Bd3 Bg4 11. h3 Bxf3 12. Qxf3 Na6 13. Nc3 Nc7 14. e4 e6 15. Rae1 e5 16. g4 Nd7 17. Nd1 a6 18. Ne3 b5 19. Bc1 Nb6 20. Bd2 bxc4 21. Nxc4 Nxc4 22. bxc4 Qd7 23. Bc2 a5 24. Rb1 a4 25. Rb7 Qc8 26. Rfb1 Na6 27. R7b6 Nb4 28. Bxb4 cxb4 29. R1xb4 Bh6 30. Rc6 Qd8 31. Rbb6 Qg5 32. Kg2 Qc1 33. Qd3 Rad8 34. Rb1 Qg5 35. Rd1 f5 36. exf5 gxf5 37. Qg3 Kh8 38. h4 Qxg4 39. Qxg4 fxg4 40. Rc7 Bg7 41. h5 Rf6 42. Bxa4 Rdf8 43. Rd2 Rh6 44. c5 e4 45. Rxg7 Kxg7 46. c6 Rhf6 47. Bd1 Rf4 48. Kg3 Kh6 49. Bxg4 Kg5 50. Be6 Rf3+ 51. Kg2 Rc3 52. Re2 Kf4 53. Rb2 Ke5 54. a4 Rxc6 55. dxc6 Kxe6 56. Rb7 Rc8 57. Rxh7 Rxc6 58. h6 Rc8 59. Rb7 d5 60. h7 d4 61. Kf1 Rc1+ 62. Kg2 Rc8 63. Rg7 Rh8 64. Kf1 Kf6 65. Rd7 Ke5 66. Ke2 Rf8 67. a5 d3+ 68. Ke1 Rb8 69. a6 Ke6 70. Rb7 Rc8 71. a7 Rc1+ 72. Kd2 Rc2+ 73. Kd1 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.17"]
[Round "3"]
[White "Mirzoev, Emil"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2467"]
[BlackElo "2074"]
[PlyCount "45"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Bb7 8. e4 e6 9. Nge2 exd5 10. exd5 Bd6 11. 0-0 0-0 12. a4 Qd8 13. Ng3 Be5 14. Nf5 d6 15. f4 Bxc3 16. bxc3 Nxd5 17. Bb2 Qf6 18. Qd3 Na6 19. Qh3 Ne7 20. Nxe7+ Qxe7 21. Rae1 Qf6 22. Qd7 Rab8 23. Qe7 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2022.04.16"]
[Round "2"]
[White "Niehaus, Frank"]
[Black "Lagunow, Raphael"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2074"]
[BlackElo "2389"]
[PlyCount "136"]
[EventDate "2022.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 f6 3. Bf4 c5 4. e4 cxd4 5. Bxb8 Rxb8 6. Qxd4 e5 7. Qxa7 Be6 8. exd5 Bxd5 9. Qa4+ b5 10. Bxb5+ Kf7 11. Nc3 Ra8 12. Qh4 Be6 13. Nge2 Qc8 14. Rd1 Nh6 15. Qe4 Rb8 16. 0-0 Nf5 17. a4 Nd6 18. Qf3 Nxb5 19. axb5 Bb4 20. h3 h6 21. Ra1 Qb7 22. Qh5+ g6 23. Qh4 Be7 24. Ra6 Rhc8 25. Qxh6 Rh8 26. Qe3 Qc7 27. Ra7 Rb7 28. Rxb7 Qxb7 29. Ra1 Ra8 30. Rxa8 Qxa8 31. b3 Bf5 32. Qd2 Qd8 33. Nd5 Bxc2 34. Qxc2 Qxd5 35. Qc4 Ke6 36. Nc3 Qxc4 37. bxc4 e4 38. Nxe4 Ke5 39. Nc3 Kd4 40. Nd5 Bd6 41. Nxf6 Kxc4 42. b6 Kb5 43. b7 Kc6 44. Kf1 Kxb7 45. Ke2 Kc6 46. Kf3 Be7 47. Ne4 Kd5 48. Ke3 Ke5 49. f4+ Kd5 50. Kf3 Ke6 51. Kg4 Bd8 52. h4 Be7 53. Ng3 Bd8 54. h5 gxh5+ 55. Nxh5 Be7 56. Ng3 Bd8 57. Kf3 Bc7 58. Ne4 Bb6 59. g4 Bd4 60. Ng3 Bb2 61. Ke4 Kf6 62. Kd5 Bc1 63. Ne4+ Kg6 64. f5+ Kf7 65. g5 Bxg5 66. Nxg5+ Kf6 67. Ke4 Kxg5 68. Ke5 Kh6 1-0

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2022.04.03"]
[Round "8.7"]
[White "Niehaus, Frank"]
[Black "Kuersten, Ruediger"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2074"]
[BlackElo "2180"]
[PlyCount "56"]
[EventDate "2021.10.31"]
[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 "Koenig Tegel II"]
[BlackTeam "Greifswald"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Be2 e6 9. 0-0 Be7 10. h3 Bh5 11. Qb3 Nb6 12. d5 Bxf3 13. Bxf3 Nd4 14. Qd1 Nxf3+ 15. Qxf3 Nxd5 16. Rd1 0-0 17. Nxd5 exd5 18. Rxd5 Qb6 19. Rd7 Qe6 20. Rd1 b6 21. b3 Bf6 22. Rb1 Rac8 23. Bb2 Rc2 24. Bxf6 Qxf6 25. Qxf6 gxf6 26. a4 Re8 27. Rd3 Ree2 28. Rf3 Kg7 1/2-1/2

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2022.03.20"]
[Round "7.8"]
[White "Niehaus, Frank"]
[Black "Schott, Andy"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2074"]
[BlackElo "1602"]
[PlyCount "53"]
[EventDate "2021.10.31"]
[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 "Koenig Tegel II"]
[BlackTeam "Guestrow/Teterow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 e6 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 Rc8 12. Kb1 Be7 13. a3 h6 14. Qh3 Rg8 15. Bh4 Qb6 16. e5 dxe5 17. fxe5 Nd5 18. Nxd5 Bxd5 19. Bxe7 Kxe7 20. Qh4+ g5 21. Qf2 b4 22. a4 b3 23. cxb3 Bxb3 24. Rd2 Bd5 25. Rf1 Rgf8 26. Bc2 Rb8 27. Bd3 1/2-1/2

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2022.03.06"]
[Round "6.7"]
[White "Niehaus, Frank"]
[Black "Jaeger, Uwe"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2074"]
[BlackElo "2237"]
[PlyCount "132"]
[EventDate "2021.10.31"]
[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 "Koenig Tegel II"]
[BlackTeam "Potsdam Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 c6 6. Bd2 Qb6 7. Nf3 Bf5 8. Bb3 e6 9. Qe2 Bd6 10. Bg5 Nbd7 11. 0-0-0 Qc7 12. Bxf6 Nxf6 13. d5 cxd5 14. Ba4+ Kf8 15. Nd4 Bg6 16. g4 a6 17. h4 h5 18. g5 Ne4 19. Nxe4 Bxe4 20. Rhe1 b5 21. Bb3 Bb4 22. f3 Qf4+ 23. Kb1 Bf5 24. Rh1 g6 25. Nc6 Bc5 26. Ne5 Qe3 27. Qh2 Rd8 28. Rhe1 Qf2 29. Qf4 Bd6 30. Qd4 Qxd4 31. Rxd4 Bc5 32. Rdd1 Bf2 33. Rh1 Kg7 34. Rd2 Bb6 35. Nc6 Rd7 36. Nd4 Bxd4 37. Rxd4 a5 38. a4 b4 39. Re1 f6 40. f4 Rc7 41. Rd2 Rhc8 42. Ree2 Rc4 43. Bxc4 Rxc4 44. b3 Rxf4 45. gxf6+ Kxf6 46. Rh2 Rf3 47. Kb2 Ke5 48. Rdf2 Rc3 49. Rd2 d4 50. Rhe2+ Kd5 51. Rh2 e5 52. Rd1 Rg3 53. Ka2 Rg4 54. Kb2 e4 55. Kc1 e3 56. Kb2 Rf4 57. Kc1 Bg4 58. Re1 Ke4 59. Rg2 Rf3 60. Rh2 Kf4 61. Rg2 Rh3 62. Rf1+ Ke4 63. Rf8 Rxh4 64. Rg1 Rh2 65. Rgf1 Bf5 66. Ra8 Rf2 0-1

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.02"]
[Round "9"]
[White "Raitza, Olaf"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2325"]
[BlackElo "2045"]
[PlyCount "91"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. 0-0 g6 6. Nxd4 Bg7 7. Be3 0-0 8. Nc3 d6 9. f4 f5 10. Nxc6 bxc6 11. Bxc6 Rb8 12. Bd5+ Kh8 13. Bxa7 c6 14. Bb3 fxe4 15. Bxb8 Qb6+ 16. Kh1 Qxb8 17. Nxe4 Nf5 18. Qd2 d5 19. Ng3 Nxg3+ 20. hxg3 Bf5 21. c3 Be4 22. Bd1 h5 23. Bf3 Bf5 24. a4 Rd8 25. Qf2 d4 26. Bxc6 dxc3 27. bxc3 Bxc3 28. Rad1 Bf6 29. Rxd8+ Qxd8 30. Qe3 Kg7 31. Re1 Qc7 32. Qc5 h4 33. Re8 Kh7 34. Ra8 Kh6 35. Ra7 Qd8 36. Bd5 Qe8 37. Qf2 Qd8 38. Qf3 Bd4 39. Ra6 hxg3 40. Qxg3 Qxd5 41. Qg5+ Kg7 42. Rxg6+ Kf8 43. Rg8+ Kf7 44. Rd8 Qe4 45. Qg8+ Kf6 46. Rf8+ 1-0

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.01"]
[Round "8"]
[White "Niehaus, Frank"]
[Black "Syre, Christian"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2045"]
[BlackElo "2235"]
[PlyCount "74"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nf6 9. c4 b4 10. Nc2 Rb8 11. Bd3 Be7 12. 0-0 0-0 13. b3 Nd7 14. a3 bxa3 15. Bxa3 a5 16. b4 axb4 17. Ncxb4 Bb7 18. Bc2 Nd4 19. Bc1 Bg5 20. f4 Nxc2 21. Qxc2 exf4 22. Bxf4 Bxf4 23. Rxf4 Ne5 24. Qe2 Bxd5 25. Nxd5 Rb7 26. Raf1 Qc8 27. Ne3 Qc5 28. Kh1 f6 29. h3 Rfb8 30. Nf5 Rb1 31. Rxb1 Rxb1+ 32. Rf1 Rxf1+ 33. Qxf1 g6 34. Ne7+ Kf7 35. Nd5 Nd7 36. Qf4 Qa3 37. Kh2 Kg7 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.31"]
[Round "7"]
[White "Niehaus, Frank"]
[Black "Brustkern, Juergen"]
[Result "1/2-1/2"]
[ECO "C36"]
[WhiteElo "2045"]
[BlackElo "2226"]
[PlyCount "58"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 Nxc6 7. d4 Bd6 8. 0-0 0-0 9. c3 Bg4 10. Nbd2 Ne7 11. Bd3 Bc7 12. Qc2 Ng6 13. Nc4 Nd5 14. Bd2 Rc8 15. Bf5 Bxf5 16. Qxf5 Nde7 17. Qe4 Qd5 18. Qxd5 Nxd5 19. Rae1 f6 20. Re2 Rfd8 21. Na3 Bd6 22. Nc2 Kf7 23. Nce1 b5 24. Nd3 Rc7 25. Rc1 Rdc8 26. Nf2 Bf8 27. Ne4 b4 28. Rd1 a5 29. Ne1 bxc3 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.30"]
[Round "6"]
[White "Schulz, Michael"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2192"]
[BlackElo "2045"]
[PlyCount "92"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Be2 0-0 7. 0-0 a6 8. a4 Bg4 9. Nd2 Bxe2 10. Qxe2 Nbd7 11. f4 Ne8 12. Nf3 Nc7 13. Bd2 Rb8 14. a5 Nf6 15. Na4 e6 16. c4 exd5 17. exd5 Re8 18. Qd3 Na8 19. Rae1 Qd7 20. b3 b5 21. axb6 Nxb6 22. Nxb6 Rxb6 23. Rxe8+ Qxe8 24. Re1 Qb8 25. Rb1 Rb7 26. f5 Qe8 27. fxg6 hxg6 28. Re1 Qb8 29. Rb1 Qe8 30. Re1 Qb8 31. Bf4 Rxb3 32. Qe2 Rb1 33. Ng5 a5 34. h3 Rb7 35. Qa2 Nh5 36. Qa4 Bd4+ 37. Kh2 Kg7 38. Re8 Qc7 39. Bd2 Be5+ 40. g3 Rb2 41. Ne4 Nxg3 42. Rxe5 Nxe4 43. Rxe4 Rxd2+ 44. Kg1 Qd8 45. Qa1+ Qf6 46. Re1 Rb2 0-1

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2022.01.16"]
[Round "4.7"]
[White "Niehaus, Frank"]
[Black "Lehmann, Klaus"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2074"]
[BlackElo "2213"]
[PlyCount "28"]
[EventDate "2021.10.31"]
[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 "Koenig Tegel II"]
[BlackTeam "Kreuzberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bg5 c6 3. e3 Bf5 4. Nf3 Qb6 5. Qc1 e6 6. Be2 Be7 7. Bxe7 Nxe7 8. 0-0 Nd7 9. b3 0-0 10. c4 Rac8 11. Nc3 Qa5 12. Qd2 Kh8 13. Rfd1 Bg4 14. Rac1 a6 1/2-1/2

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2021.12.12"]
[Round "3.7"]
[White "Niehaus, Frank"]
[Black "Dudzinski, Piotr"]
[Result "1/2-1/2"]
[ECO "C34"]
[WhiteElo "2074"]
[BlackElo "2317"]
[PlyCount "29"]
[EventDate "2021.10.31"]
[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 "Koenig Tegel II"]
[BlackTeam "Glueck Auf Ruedersdorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. d4 d5 5. exd5 Qxd5 6. Be2 Bg4 7. c3 Nf6 8. 0-0 Qd7 9. Bxf4 Bd6 10. Bxd6 Qxd6 11. Nbd2 0-0 12. Nc4 Qd5 13. Nce5 Nxe5 14. Nxe5 Bxe2 15. Qxe2 1/2-1/2

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2021.11.21"]
[Round "2.8"]
[White "Niehaus, Frank"]
[Black "Dimitriadis, Pavlos"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "2074"]
[BlackElo "1972"]
[PlyCount "44"]
[EventDate "2021.10.31"]
[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 "Koenig Tegel II"]
[BlackTeam "Berlin Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 Nc6 3. Nf3 exf4 4. Nc3 g5 5. g3 Bg7 6. d4 d6 7. d5 Ne5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. gxf4 Nxf3+ 11. Qxf3 g4 12. Qd3 0-0-0 13. Be3 a6 14. 0-0-0 f5 15. Bd4 fxe4 16. Nxe4 h6 17. Qc3 Rh7 18. Rhf1 Kb8 19. f5 Bxd4 20. Qxd4 Rf8 21. f6 Rhf7 22. Rf4 Qe8 1/2-1/2

[Event "Oberliga Nord O 2122"]
[Site "Germany"]
[Date "2021.10.31"]
[Round "1.8"]
[White "Hoeckendorf, Hartmut"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2130"]
[BlackElo "2074"]
[PlyCount "81"]
[EventDate "2021.10.31"]
[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 "Oberschoeneweide"]
[BlackTeam "Koenig Tegel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. c4 Nf6 8. Nc3 g6 9. 0-0 Bg7 10. Qd3 0-0 11. Re1 a6 12. Nd4 Nd7 13. Nxc6 bxc6 14. Be3 Qa5 15. Rac1 Ne5 16. Qe2 f5 17. exf5 gxf5 18. f3 Kh8 19. Red1 Ng6 20. f4 Rae8 21. Qf2 Qc7 22. h3 Rg8 23. Kh1 Ref8 24. b4 Rb8 25. a3 Bf6 26. Bd4 e5 27. fxe5 dxe5 28. Bc5 Qg7 29. Ne2 f4 30. Rc2 Nh4 31. Nc3 Qh6 32. Qf1 Nxg2 33. Rxg2 Qxh3+ 34. Rh2 Qxc3 35. Rd3 Qxd3 36. Qxd3 Rg7 37. Qe4 Rbg8 38. Bf2 Rg6 39. Qxc6 Bh4 40. Qc7 Bxf2 41. Qxh7# 1-0

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2021.08.15"]
[Round "9.5"]
[White "Niehaus, Frank"]
[Black "Sulayev, Daniel"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2060"]
[BlackElo "2188"]
[PlyCount "76"]
[EventDate "2019.09.29"]
[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 "Koenig Tegel II"]
[BlackTeam "Berlin Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N5c3 a6 7. Na3 Be6 8. Nc4 b5 9. Ne3 Nf6 10. g3 g6 11. Bg2 Bg7 12. 0-0 Rc8 13. Ncd5 Bxd5 14. Nxd5 Nxd5 15. exd5 Ne7 16. a4 0-0 17. axb5 axb5 18. Qd3 Qc7 19. c3 Rb8 20. Be3 Nf5 21. Ra6 Nxe3 22. Qxe3 f5 23. Rfa1 b4 24. Rc6 Qd8 25. Ra7 bxc3 26. bxc3 Rf7 27. Rxf7 Kxf7 28. Qa7+ Kg8 29. h4 Rb1+ 30. Kh2 e4 31. Qa6 Bf8 32. Qa2 Qb8 33. Qc4 Qa7 34. Rc8 Rb2 35. Qd4 Qxd4 36. cxd4 Rxf2 37. Kg1 Rd2 38. Kf1 Rxd4 0-1

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2021.08.14"]
[Round "8.5"]
[White "Kaiser, Martin"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2136"]
[BlackElo "2060"]
[PlyCount "74"]
[EventDate "2019.09.29"]
[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 "Berlin Weisse Dame"]
[BlackTeam "Koenig Tegel II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Ng3 Bg4 7. h3 Bxf3 8. Qxf3 Nf6 9. d3 Qd6 10. c3 0-0-0 11. Bxc6 Qxc6 12. Bg5 Kb8 13. 0-0 h6 14. Bxf6 gxf6 15. c4 e4 16. dxe4 dxc4 17. Rac1 Bc5 18. Rc2 Rhg8 19. Kh1 b5 20. Nf5 Rge8 21. Re2 Rd3 22. Qf4 Red8 23. Qxh6 b4 24. Kh2 c3 25. bxc3 bxc3 26. Rb1+ Ka8 27. Rc2 Qxe4 28. Qxf6 Bb6 29. Ng3 Qd4 30. Qc6+ Kb8 31. Rb3 Rd6 32. Qe8+ Kb7 33. Qe4+ Qd5 34. Rbxc3 Rxc3 35. Rxc3 Bxf2 36. Rb3+ Bb6 37. Qxd5+ Rxd5 1/2-1/2

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2020.03.01"]
[Round "7.5"]
[White "Simcaks, Sergejs"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "B71"]
[WhiteElo "1838"]
[BlackElo "2101"]
[PlyCount "72"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 Nh5 8. Bb5+ Bd7 9. exd6 0-0 10. Bxd7 Nxd7 11. dxe7 Qxe7+ 12. Kf2 Rfe8 13. Nce2 Rad8 14. c3 Ndf6 15. Rf1 Ng4+ 16. Kg1 Bxd4+ 17. Nxd4 Qh4 18. h3 Ngf6 19. Qf3 Ng3 20. Rd1 Nfe4 21. Be3 Qe7 22. Re1 Qd7 23. f5 Nxf5 24. Nxf5 Qxf5 25. Qxf5 gxf5 26. Bxa7 Rd2 27. b3 Ra8 28. Bd4 Raxa2 29. Rxa2 Rxa2 30. g4 f6 31. gxf5 Ng5 32. Re8+ Kf7 33. Rb8 Nf3+ 34. Kf1 Rd2 35. Rxb7+ Kf8 36. Bxf6 Nh2+ 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.02.06"]
[Round "9.4"]
[White "Niehaus, Frank"]
[Black "Hahlbohm, Matthias"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "2097"]
[BlackElo "2016"]
[PlyCount "99"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Re8 9. Bc4 Nc6 10. 0-0-0 Na5 11. Be2 a6 12. h4 b5 13. Bh6 Bh8 14. h5 Bb7 15. hxg6 fxg6 16. Bg5 Qd7 17. Nd5 Bxd5 18. exd5 Nc4 19. Bxc4 bxc4 20. Ne6 Rab8 21. c3 Rb5 22. Qc2 Rxd5 23. Rxd5 Nxd5 24. Qe4 Nf6 25. Qxc4 Rc8 26. Nc5+ d5 27. Nxd7 Rxc4 28. Bxf6 Bxf6 29. Nxf6+ exf6 30. Rd1 Rc5 31. Kc2 a5 32. Kd3 Kf7 33. Kd4 Rb5 34. Rb1 Ke6 35. b4 Rb8 36. b5 a4 37. Rb4 Kd6 38. Rxa4 Rxb5 39. Ra6+ Ke7 40. a4 Rb2 41. Kxd5 Rd2+ 42. Ke4 Rxg2 43. Ra7+ Ke6 44. Rxh7 Rc2 45. Rc7 Kd6 46. Rc4 Ra2 47. Rb4 Kc5 48. Rb5+ Kc6 49. Rb4 Kc5 50. Rb5+ 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.02.05"]
[Round "8.6"]
[White "Mock, Peter"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "1856"]
[BlackElo "2097"]
[PlyCount "121"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. g3 0-0 6. Bg2 Nbd7 7. Nge2 e5 8. 0-0 exd4 9. Nxd4 a6 10. h3 Re8 11. Be3 Rb8 12. Rc1 c5 13. Nde2 Ne5 14. b3 b5 15. f4 Ned7 16. Qxd6 b4 17. Nd5 Nxe4 18. Qc7 Nxg3 19. Qxd8 Nxe2+ 20. Kf2 Rxd8 21. Kxe2 Bb7 22. Rcd1 Re8 23. Kf2 Rbc8 24. Rfe1 Ba8 25. Nxb4 Bc3 26. Re2 Bxg2 27. Kxg2 Bxb4 28. Rxd7 Rcd8 29. Rxd8 Rxd8 30. Kf3 Rd1 31. f5 Kg7 32. Ke4 Kf6 33. Rf2 g5 34. Rg2 h6 35. h4 Re1 36. hxg5+ hxg5 37. Rh2 Kg7 38. Kd3 f6 39. a3 Bxa3 40. Ra2 Bb4 41. Rxa6 Rd1+ 42. Ke4 Rd7 43. Re6 Kf7 44. Bf2 Rd1 45. Rc6 Rb1 46. Rc7+ Kg8 47. Bxc5 Bxc5 48. Rxc5 Rxb3 49. Rc8+ Kg7 50. Rc7+ Kg8 51. c5 g4 52. Ra7 g3 53. Ra2 Kf7 54. Kd5 Rf3 55. c6 Rxf5+ 56. Kd6 Rf2 57. Ra7+ Kg6 58. Ra3 g2 59. Rg3+ Kf5 60. c7 Rd2+ 61. Ke7 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.02.04"]
[Round "7.4"]
[White "Niehaus, Frank"]
[Black "Mayer, Herbert"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2097"]
[BlackElo "1751"]
[PlyCount "136"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. c4 f5 6. Nc3 c6 7. Nf3 d6 8. Bd3 Na6 9. 0-0 0-0 10. a3 Nc7 11. b4 d5 12. c5 Ne6 13. Ne2 Qc7 14. Qd2 Qe7 15. Rab1 b5 16. a4 a6 17. Ra1 Qb7 18. Ra3 Bd7 19. Rfa1 Rfb8 20. Qa2 Nc7 21. h3 Re8 22. Nc3 Bf6 23. Qb2 Ne6 24. Ne2 Nc7 25. R1a2 Be6 26. Qa1 Be7 27. Nd2 Bd7 28. Nb3 Reb8 29. axb5 axb5 30. Ra7 Rxa7 31. Rxa7 Qc8 32. Qa5 Rb7 33. Nc3 Rxa7 34. Qxa7 Na6 35. Na2 Bf6 36. Na5 Bd8 37. Nb7 Nb8 38. Nxd8 Qxd8 39. Kf1 Qc8 40. Ke2 Be6 41. Kd2 Nd7 42. Nc3 Qb8 43. Qxb8+ Nxb8 44. Kc2 Na6 45. Kb3 Nc7 46. Nb1 Kf8 47. Kc3 Ke7 48. Nd2 h6 49. Nf3 Bd7 50. Nh4 Kf6 51. f4 h5 52. Nf3 Be8 53. Be2 Ne6 54. Ne5 Nd8 55. g4 hxg4 56. hxg4 fxg4 57. Bxg4 Ke7 58. Kd2 f6 59. Nf3 Bf7 60. Ne1 Be8 61. Nd3 Nf7 62. Ke2 Nh6 63. Kf3 Nf7 64. Kg3 f5 65. Bf3 Kf6 66. Ne5 Nd8 67. Kh4 Ne6 68. Be2 Nc7 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.02.03"]
[Round "6.2"]
[White "Vandre, Wolfgang"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2099"]
[BlackElo "2097"]
[PlyCount "19"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 a6 5. c3 Nf6 6. 0-0 d6 7. b4 Ba7 8. Be3 h6 9. Nbd2 0-0 10. h3 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.02.01"]
[Round "5.4"]
[White "Niehaus, Frank"]
[Black "Bornschein, Burkhard"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2097"]
[BlackElo "1972"]
[PlyCount "127"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. e3 Nd7 5. Bd3 Ngf6 6. Nd2 Qb6 7. f4 c5 8. Ngf3 c4 9. Bxc4 dxc4 10. Nxc4 Qb4+ 11. Nfd2 Qb5 12. Qe2 Qh5 13. Nf3 Qd5 14. Ncd2 Ne4 15. 0-0 Ndf6 16. Bxf6 Nxd2 17. Nxd2 gxf6 18. c3 f5 19. e4 fxe4 20. Nxe4 Bg7 21. f5 0-0 22. Qg4 Kh8 23. Rae1 f6 24. Ng3 Qf7 25. b3 Re8 26. Re3 Bd7 27. Rfe1 Bf8 28. c4 Qg8 29. Qf3 Rab8 30. Kh1 Qg5 31. d5 Rec8 32. Rf1 b5 33. c5 Qg8 34. b4 Be8 35. Rd1 Bf7 36. Red3 Rd8 37. Rd4 a5 38. a3 axb4 39. axb4 Ra8 40. h3 Qh7 41. c6 Rac8 42. Qd3 Qg8 43. Ne4 Bxd5 44. Rxd5 Rxd5 45. Qxd5 Qxd5 46. Rxd5 Rxc6 47. Nc5 e5 48. Rd8 Kg7 49. Ne6+ Rxe6 50. fxe6 Bxb4 51. Rb8 Bd6 52. Rxb5 Kf8 53. Rb7 Be7 54. g4 Ke8 55. Kg2 e4 56. Rb8+ Bd8 57. Kf2 Ke7 58. Ke3 Ba5 59. Ra8 Bb4 60. Ra6 Bd6 61. Kxe4 Kxe6 62. Rb6 Ke7 63. Kf5 Be5 64. Rb7+ 1-0

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.01.31"]
[Round "4.7"]
[White "Paul, Reinhart"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1978"]
[BlackElo "2097"]
[PlyCount "51"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. dxe5 Qxd1+ 10. Bxd1 Nc4 11. Nc3 Bg4 12. b3 Bxf3 13. Bxf3 N4xe5 14. Be4 e6 15. 0-0 Bb4 16. Nb5 0-0 17. Bb2 a6 18. Nd4 Rac8 19. Rac1 Nxd4 20. Bxd4 Nc6 21. Bc5 Bxc5 22. Rxc5 f5 23. Bxc6 Rxc6 24. Rxc6 bxc6 25. Rc1 Rc8 26. Rc5 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.01.30"]
[Round "3.13"]
[White "Niehaus, Frank"]
[Black "Rollwitz, Juergen"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2097"]
[BlackElo "1900"]
[PlyCount "87"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. c4 Be7 8. 0-0 0-0 9. d4 c5 10. dxc6 bxc6 11. Bxf4 Re8 12. Nc3 Bb4 13. Qc2 Nf8 14. Rad1 Bd6 15. Bxd6 Qxd6 16. Rfe1 Ng4 17. Qd2 Ng6 18. Ne4 Qc7 19. h3 f5 20. Nc5 Nh6 21. Rxe8+ Rxe8 22. Re1 Rxe1+ 23. Qxe1 Qe7 24. Qxe7 Nxe7 25. Ne5 Nf7 26. Ncd3 Kf8 27. Kf2 Ke8 28. Ke3 g5 29. Nxf7 Kxf7 30. Ne5+ Kf6 31. b4 Ke6 32. Nxc6 Nxc6 33. d5+ Kd6 34. dxc6 Kxc6 35. Kd4 Kd6 36. b5 h5 37. c5+ Ke6 38. b6 axb6 39. cxb6 Kd6 40. b7 Kc7 41. Ke5 f4 42. Kf5 g4 43. Kxf4 gxh3 44. gxh3 1-0

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.01.29"]
[Round "2.6"]
[White "Willin, Bernhard"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1878"]
[BlackElo "2097"]
[PlyCount "84"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 Qa5 8. d5 e6 9. Qd2 exd5 10. cxd5 b5 11. Nc1 Ba6 12. Nb3 Qb6 13. Be2 Nbd7 14. 0-0 Ne5 15. Qc2 Nc4 16. Bxc4 bxc4 17. Nc1 Nd7 18. Rb1 Ne5 19. Rd1 Rfe8 20. b4 cxb3 21. axb3 Rab8 22. Qa2 Nxf3+ 23. gxf3 Bxc3 24. Kh1 Qb5 25. Nd3 Bb7 26. Bf4 Rbd8 27. Qg2 Qd7 28. Nf2 Bg7 29. Ng4 h5 30. Ne3 Ba6 31. Rd2 Rb8 32. Ra2 Bd3 33. Rg1 Rxb3 34. Nf5 Be5 35. Qg5 Rb1 36. Bc1 Bg7 37. Nxg7 Kxg7 38. Qxh5 Rh8 39. Qg5 Qh3 40. Qg2 Qxg2+ 41. Kxg2 Rhb8 42. Rxa7 R1b6 1/2-1/2

[Event "Berlin-ch Seniors op 36th"]
[Site "Berlin"]
[Date "2020.01.28"]
[Round "1.8"]
[White "Niehaus, Frank"]
[Black "Rehder, Frank"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2097"]
[BlackElo "1771"]
[PlyCount "53"]
[EventDate "2020.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Be7 8. Kh1 0-0 9. f4 d6 10. Qf3 Nc6 11. Nxc6 bxc6 12. Bd2 Bb7 13. Qh3 e5 14. Rae1 Rab8 15. b3 Rfd8 16. Ne2 Nd7 17. Ng3 Nc5 18. fxe5 dxe5 19. Qf5 Rf8 20. Bc4 Bd6 21. Nh5 Bc8 22. Qg5 Ne6 23. Bxe6 fxe6 24. Rxf8+ Bxf8 25. Bc3 Bd6 26. Rd1 Rb7 27. Nf6+ 1-0

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2020.01.19"]
[Round "5.5"]
[White "Bruchmann, Stephan"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2218"]
[BlackElo "2101"]
[PlyCount "213"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qd4 Qe7 7. Nc3 Qb4 8. Be3 Qxd4 9. Bxd4 Be7 10. f3 0-0 11. 0-0-0 d6 12. Bc4 Be6 13. Bb3 Bxb3 14. axb3 Nd7 15. Rhe1 Bg5+ 16. Kb1 Rfe8 17. Rf1 Bf6 18. Bxf6 Nxf6 19. Rd4 Nd7 20. Rc4 Ne5 21. Ra4 Nd7 22. Ra6 Nb8 23. Ra5 Nd7 24. Rd1 a6 25. Rd4 Nb6 26. Kc1 f6 27. f4 c5 28. Rd1 Nd7 29. Kd2 Nb8 30. Rda1 Ra7 31. R1a4 Rb7 32. Nd5 c6 33. Nc3 Rb4 34. Kd3 Kf7 35. Rxb4 cxb4 36. Na2 c5 37. c3 bxc3 38. bxc3 Re7 39. b4 c4+ 40. Ke3 Rb7 41. Nc1 Rb6 42. Ne2 Nc6 43. Ra2 Ne7 44. Kd4 f5 45. Ng3 fxe4 46. Nxe4 h6 47. Nd2 Nf5+ 48. Kxc4 Ne3+ 49. Kd4 Nf5+ 50. Kd3 Ne7 51. Nc4 Rc6 52. Ne3 Rb6 53. g4 Ke6 54. f5+ Kf7 55. Kd4 Nc6+ 56. Ke4 Ne5 57. h3 Rc6 58. Kd4 Nf3+ 59. Kd3 Ne5+ 60. Kc2 Ke8 61. Kb3 Kd7 62. Rd2 Nf7 63. Rf2 Ng5 64. Nc4 Kc7 65. f6 gxf6 66. Rxf6 d5 67. Rxc6+ Kxc6 68. Ne3 Nxh3 69. Nf5 Ng5 70. Nxh6 Kd6 71. Nf5+ Ke5 72. Nd4 Kf4 73. Nc6 Ne6 74. Ka4 Kxg4 75. Ka5 Nc7 76. Ne7 Kf4 77. Kb6 Nb5 78. Nxd5+ Ke4 79. Kxa6 Nd6 80. Nb6 Kd3 81. c4 Kc3 82. c5 Ne8 83. Ka5 Nc7 84. Nc8 Kc4 85. Nd6+ Kd5 86. Kb6 Ne6 87. Nb7 Nd4 88. Nd8 Kc4 89. c6 Nb5 90. Ka5 Nc7 91. Nf7 Kd4 92. Ng5 Kc4 93. Nf3 Kd5 94. Kb6 Kd6 95. Kb7 Ne6 96. b5 Kc5 97. b6 Nd8+ 98. Kc7 Nxc6 99. b7 Nb4 100. Ne5 Na6+ 101. Kc8 Kb6 102. Nd7+ Ka7 103. Nf8 Kb6 104. Ne6 Ka7 105. Nc7 Nb8 106. Nb5+ Kb6 107. Kxb8 1-0

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2020.01.18"]
[Round "6.6"]
[White "Schulz, Michael"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2111"]
[BlackElo "2101"]
[PlyCount "68"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. e4 Qxb2 8. Nd2 Qxc3 9. Bc7 d6 10. Ne2 Qe3 11. Nc4 Qh6 12. Ba5 g5 13. Bd2 Qg6 14. Ng3 h5 15. Rb1 b6 16. Bc3 h4 17. Nf5 Rg8 18. Bd3 Nh5 19. g3 f6 20. Qa4+ Bd7 21. Qa3 Kf7 22. Nxb6 axb6 23. Qxa8 Bh6 24. Rxb6 g4 25. fxg4 Bxf5 26. gxh5 Qg5 27. Qa3 Qe3+ 28. Be2 Bg4 29. Rb2 Qc1+ 30. Kf2 Qxh1 31. Bxg4 Rxg4 32. Bxf6 Qxh2+ 33. Ke1 Qg1+ 34. Ke2 Rxe4+ 0-1

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2019.12.08"]
[Round "4.6"]
[White "Lehmann, Klaus"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2246"]
[BlackElo "2101"]
[PlyCount "92"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 g6 3. b3 Bg7 4. Bb2 0-0 5. Be2 d6 6. d4 e5 7. 0-0 exd4 8. Nxd4 Ne4 9. Qc1 Qe7 10. c4 Nd7 11. Nb5 Bxb2 12. Qxb2 c6 13. N5c3 Ndf6 14. Nxe4 Nxe4 15. Nd2 Nc5 16. b4 Ne6 17. Rfe1 a5 18. a3 axb4 19. axb4 Rxa1 20. Qxa1 d5 21. Qb2 Rd8 22. Nf3 dxc4 23. Bxc4 Nc7 24. Ra1 Be6 25. Bxe6 Nxe6 26. h4 Ng7 27. g3 Nf5 28. Qb3 h6 29. Qc4 Qf6 30. Rf1 Nd6 31. Qe2 Qc3 32. Rb1 Nb5 33. Qb2 Qxb2 34. Rxb2 Rd1+ 35. Kg2 Kf8 36. Ne5 Ke7 37. Kf3 Nd6 38. Ke2 Ra1 39. Nd3 Kd7 40. Rc2 Kc7 41. Ne5 Rb1 42. Nd3 Ra1 43. Ne5 Rb1 44. Nd3 Ra1 45. Rb2 Nc4 46. Rc2 Nd6 1/2-1/2

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2019.11.24"]
[Round "3.5"]
[White "Weber, Max"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2245"]
[BlackElo "2101"]
[PlyCount "105"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. dxe5 dxe5 9. Bg5 Qxd1 10. Rfxd1 Bg4 11. h3 Bxf3 12. Bxf3 Nd4 13. Nd5 Nxd5 14. cxd5 f5 15. Kf1 Rf7 16. Bd2 Bf8 17. Rac1 Bd6 18. Be3 fxe4 19. Bxe4 Nf5 20. Bxf5 gxf5 21. Bc5 Bxc5 22. Rxc5 Rd8 23. Rdc1 Rdd7 24. Ke2 Kf8 25. Ke3 Ke8 26. f4 exf4+ 27. Kxf4 Kd8 28. Rd1 Rd6 29. Rc3 Ra6 30. a3 Rd6 31. Re3 Kd7 32. Re5 Rdf6 33. Rde1 Kd6 34. R1e2 Rg6 35. Rxf5 Rxf5+ 36. Kxf5 Kxd5 37. g4 Rh6 38. Rh2 Kd6 39. g5 Rg6 40. h4 c5 41. h5 Rg8 42. Kf6 b5 43. Rd2+ Kc6 44. g6 hxg6 45. hxg6 a5 46. Kf7 Rh8 47. g7 Rh7 48. Kf8 Rxg7 49. Kxg7 c4 50. Kf6 Kc5 51. Ke5 b4 52. Rd5+ Kb6 53. axb4 1-0

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2019.10.20"]
[Round "2.5"]
[White "Niehaus, Frank"]
[Black "Weber, Daniel1"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2101"]
[BlackElo "2123"]
[PlyCount "29"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 dxe4 5. Bxe4 Nf6 6. Bf3 cxd4 7. cxd4 Qb6 8. Ne2 Bd7 9. 0-0 Bc6 10. Nf4 Bxf3 11. Qxf3 Bd6 12. Nc3 0-0 13. d5 Bxf4 14. Bxf4 Nxd5 15. Nxd5 1/2-1/2

[Event "Oberliga Nord O 1920"]
[Site "Germany"]
[Date "2019.09.29"]
[Round "1.5"]
[White "Schulz, Norbert"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2082"]
[BlackElo "2101"]
[PlyCount "60"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Na6 14. 0-0 Nc7 15. Bb3 Be6 16. Rfc1 Rac8 17. Rc3 Bxb3 18. Rxb3 b6 19. Rd3 Ne6 20. Rd7 Nc5 21. Rxa7 Nxe4 22. Be3 Rc6 23. Ne1 Nd6 24. Rc1 Rxc1 25. Bxc1 e4 26. Bf4 Nf5 27. b3 h5 28. Nc2 Rc8 29. Kf1 Bf8 30. Ke2 Bc5 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.25"]
[Round "9"]
[White "Niehaus, Frank"]
[Black "Wimmer, Thomas"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2143"]
[BlackElo "1841"]
[PlyCount "61"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 0-0 9. Bd3 Nc6 10. 0-0 Be7 11. a3 Bf6 12. Be3 Nce7 13. Qe2 Bd7 14. Rfd1 Bc6 15. Rac1 Qb6 16. Ne4 Rac8 17. Nd6 Rc7 18. Nc4 Qa6 19. Re1 Bb5 20. b3 Rfc8 21. a4 Be8 22. Bd2 g6 23. h4 Nf5 24. Qe4 Bc6 25. Qe2 Bxd4 26. Bxf5 Bxf2+ 27. Qxf2 exf5 28. Nce5 Nf6 29. Nxc6 Rxc6 30. Rxc6 Qxc6 31. Rc1 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.24"]
[Round "8"]
[White "Muskewitz, Bernd"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "1879"]
[BlackElo "2143"]
[PlyCount "56"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nc3 Na6 7. Nge2 Rb8 8. 0-0 d6 9. b3 b6 10. Bb2 Bb7 11. Qd2 Bxg2 12. Kxg2 Qd7 13. Rad1 Nc7 14. Qc2 Rfc8 15. dxc5 bxc5 16. Nf4 Qc6+ 17. Kg1 Rd8 18. Nfd5 Ncxd5 19. Nxd5 Nxd5 20. Rxd5 Bxb2 21. Qxb2 Rb6 22. Rfd1 a5 23. Qe2 a4 24. bxa4 Qxa4 25. Rxc5 Ra8 26. Rc7 Qxa2 27. Qxa2 Rxa2 28. Rxe7 Rbb2 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.23"]
[Round "7"]
[White "Niehaus, Frank"]
[Black "Schmalzried, Volker"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2143"]
[BlackElo "1808"]
[PlyCount "77"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 a6 11. 0-0-0 Nxd4 12. Bxd4 b5 13. g4 a5 14. e5 dxe5 15. Bxe5 Bc6 16. Qe3 Qc8 17. g5 Nh5 18. Bd5 e6 19. Bxc6 Qxc6 20. Rd6 Qc4 21. Rhd1 b4 22. b3 Qc8 23. Na4 Qc7 24. Rxe6 Bxe5 25. Rxe5 Rac8 26. Rd2 Rfd8 27. Rxd8+ Rxd8 28. Nb6 Qd6 29. Nc4 Qd1+ 30. Kb2 Ng7 31. Nxa5 Nf5 32. Rxf5 gxf5 33. Nc6 Rd2 34. Nxb4 Re2 35. Qd3 Qe1 36. Nd5 Rxh2 37. Nf6+ Kg7 38. Qd4 Kg6 39. Ne4 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.22"]
[Round "6"]
[White "Niehaus, Frank"]
[Black "Ho, Ngoc Hai Dang"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2143"]
[BlackElo "1642"]
[PlyCount "79"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Bf5 10. c3 Bc5 11. Bc2 Bg6 12. Nb3 Bb6 13. Qe2 Qe7 14. Be3 Bxe3 15. Qxe3 0-0 16. Rfe1 Rfe8 17. a4 b4 18. Rad1 Rad8 19. Nbd4 Na5 20. cxb4 Qxb4 21. Bd3 c5 22. Ne2 c4 23. Bxe4 dxe4 24. Nfd4 Rxe5 25. Nc2 Qb8 26. Qa7 Re6 27. Qc5 Rxd1 28. Rxd1 Nb7 29. Qb4 Rd6 30. Rd4 Rxd4 31. Ncxd4 Qc7 32. Nc3 h6 33. h3 Kh7 34. Nd5 Qc5 35. Qxc5 Nxc5 36. Ne3 Nxa4 37. Nxc4 f6 38. b3 Nc5 39. Nd6 Kg8 40. b4 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.21"]
[Round "5"]
[White "Ahlers, Knut"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1880"]
[BlackElo "2143"]
[PlyCount "67"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. Qd2 c6 6. 0-0-0 b5 7. f3 b4 8. Nce2 a5 9. g4 Nbd7 10. h4 h5 11. g5 Nh7 12. e5 d5 13. Qd3 Nb6 14. Bh3 Ba6 15. c4 Bxc4 16. Qb1 e6 17. Bxe6 fxe6 18. Qxg6+ Kf8 19. Qxe6 Qe7 20. Qf5+ Kg8 21. g6 Nf8 22. Bg5 Qe6 23. Qf4 Nxg6 24. Qe3 Rd8 25. b3 Ba6 26. Ng3 Ne7 27. Nh3 Kf7 28. Nf4 Qc8 29. Nfxh5 Nf5 30. Qf4 Kg6 31. Nf6 Nxg3 32. Qxg3 Kf7 33. Qf4 Ke6 34. Rde1 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.20"]
[Round "4"]
[White "Niehaus, Frank"]
[Black "Schubert, Joachim"]
[Result "1/2-1/2"]
[ECO "B63"]
[WhiteElo "2143"]
[BlackElo "1923"]
[PlyCount "54"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Qa5 9. f4 Bd7 10. Nb3 Qb4 11. a3 Qb6 12. e5 Ng4 13. Bxe7 Nxe7 14. Qxd6 Bc6 15. Rd2 Nf2 16. Nb5 0-0 17. Qxe7 Nxh1 18. Qc5 f6 19. Qxb6 axb6 20. Nc7 Rad8 21. Nxe6 Rxd2 22. Kxd2 Re8 23. Ke1 b5 24. Nbd4 fxe5 25. fxe5 Bd7 26. Nf4 Rxe5+ 27. Nfe2 Bg4 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.19"]
[Round "3"]
[White "Barwich, Andreas"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1951"]
[BlackElo "2143"]
[PlyCount "70"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d6 10. Qb5 Re8 11. 0-0 Kg7 12. c3 Qf6 13. cxd4 a6 14. Qa4 Rxe4 15. Be3 Nxd4 16. Bxd4 Rxd4 17. Qe8 Qe6 18. Qd8 Qd7 19. Qg5 Qf7 20. Qd8 Re4 21. Nc3 Re8 22. Qh4 Be6 23. f4 d5 24. f5 gxf5 25. Rf3 Kh8 26. Rg3 c5 27. Qf4 Qf6 28. Qc7 Rac8 29. Qxb7 f4 30. Rf3 Qe5 31. Raf1 d4 32. Qe4 Bg4 33. Rxf4 dxc3 34. Rf8+ Rxf8 35. Qxe5+ Kg8 1/2-1/2

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.18"]
[Round "2"]
[White "Niehaus, Frank"]
[Black "Villuela, Roberto"]
[Result "1-0"]
[ECO "C35"]
[WhiteElo "2143"]
[BlackElo "1787"]
[PlyCount "47"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Nc3 Bh4+ 5. Ke2 Nc6 6. d4 d6 7. Bxf4 Bg4 8. Qd3 Qd7 9. Kd2 Bxf3 10. gxf3 0-0-0 11. Rd1 Nge7 12. Kc1 Kb8 13. Be3 f5 14. Qb5 fxe4 15. fxe4 Ng6 16. Qa4 Nce7 17. Bb5 Qh3 18. Rd3 Qg2 19. Rg1 Qxh2 20. d5 Nc8 21. Nd1 Rhf8 22. Ra3 b6 23. Bc6 a5 24. Qb5 1-0

[Event "Berlin Lichtenberger op 18th"]
[Site "Berlin"]
[Date "2019.08.17"]
[Round "1"]
[White "Hoffbauer, Joerg"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1773"]
[BlackElo "2143"]
[PlyCount "110"]
[EventDate "2019.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e3 Bg7 4. Nf3 0-0 5. d4 d6 6. Bd3 Nbd7 7. 0-0 e5 8. Bc2 Re8 9. b4 c6 10. Bb2 e4 11. Nd2 d5 12. Bb3 Nf8 13. Re1 h5 14. h3 N8h7 15. f3 Qd6 16. cxd5 cxd5 17. Qe2 Ng5 18. f4 Ne6 19. Nf1 Nc7 20. a3 Bd7 21. Rac1 Rec8 22. Rc2 Ne6 23. Rec1 Rc7 24. Nb5 Rxc2 25. Rxc2 Qa6 26. Nc3 Qxe2 27. Rxe2 Nc7 28. Rc2 Rc8 29. a4 Bf8 30. b5 Be6 31. Na2 Nce8 32. Rxc8 Bxc8 33. Bc3 Bd6 34. Bb4 Bxb4 35. Nxb4 Nc7 36. Nd2 Kf8 37. Nb1 Ke7 38. Nc3 Kd6 39. Kf2 h4 40. a5 Be6 41. Ke1 Nd7 42. Ba4 Nf6 43. Bb3 Nd7 44. Kd2 Nf6 45. Bd1 Nd7 46. Be2 Nf6 47. Kc2 Nd7 48. Kb3 f6 49. Ka4 g5 50. fxg5 fxg5 51. a6 bxa6 52. bxa6 Nb6+ 53. Ka5 Bd7 54. Bf1 Be8 55. Be2 Bd7 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.30"]
[Round "9"]
[White "Hentze, Jakob"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1849"]
[BlackElo "2154"]
[PlyCount "56"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Na6 8. d5 Nc5 9. Qc2 a5 10. Ne1 Bg4 11. Bxg4 Nxg4 12. f3 Nf6 13. Bg5 Qd7 14. b3 Kh8 15. Nd3 Nxd3 16. Qxd3 Ng8 17. a3 Bh6 18. Bxh6 Nxh6 19. Qe3 Ng8 20. c5 f5 21. f4 Qg7 22. cxd6 cxd6 23. Nb5 Qd7 24. a4 Rae8 25. Rac1 fxe4 26. Rc7 Qd8 27. Qh3 Re7 28. Rc8 Qxc8 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.29"]
[Round "8"]
[White "Niehaus, Frank"]
[Black "Moewisch, Dave"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2154"]
[BlackElo "1945"]
[PlyCount "74"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Be2 e6 9. 0-0 Be7 10. h3 Bh5 11. Qb3 Bxf3 12. Bxf3 Nxd4 13. Qa4+ Nc6 14. Nxd5 exd5 15. Rd1 0-0 16. Rxd5 Qc7 17. Bf4 Qb6 18. Rb5 Qd4 19. Qxd4 Nxd4 20. Rxb7 Nxf3+ 21. gxf3 Bf6 22. Rd1 Rfd8 23. Rxd8+ Bxd8 24. b4 a6 25. Bd6 h6 26. a4 Bf6 27. Kf1 Rd8 28. Rb6 Ra8 29. Ke2 Kh7 30. Rb8 Rxb8 31. Bxb8 Bd4 32. Bc7 Kg6 33. b5 axb5 34. axb5 Kh5 35. Kf1 Bc3 36. Bd8 g5 37. b6 Ba5 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.28"]
[Round "7"]
[White "Jurkatis, Hagen"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1961"]
[BlackElo "2154"]
[PlyCount "15"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 f5 2. e4 fxe4 3. d3 e3 4. Bxe3 Nf6 5. Nc3 e6 6. Nf3 d5 7. d4 Be7 8. Bd3 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.27"]
[Round "6"]
[White "Niehaus, Frank"]
[Black "Rouditser, Benjamin"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2154"]
[BlackElo "1815"]
[PlyCount "77"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 g6 7. Bg5 Be6 8. Bxf6 exf6 9. Qb3 dxc4 10. Bxc4 Bxc4 11. Qxc4 Bd6 12. 0-0 0-0 13. Rfe1 Rc8 14. Rad1 a6 15. Qd5 Kg7 16. Qe4 b5 17. Qd3 Na5 18. Re2 f5 19. Rc2 Nc4 20. Ne2 Re8 21. b3 Nb6 22. Rxc8 Qxc8 23. d5 Qb7 24. Ned4 Nd7 25. Nc6 Nf6 26. h3 Bc5 27. b4 Bd6 28. a3 Re4 29. Ng5 Rc4 30. Na5 Qc7 31. Nxc4 bxc4 32. Qd4 Bf4 33. d6 Bxd6 34. Qxd6 Qa7 35. Qd4 Qc7 36. Rc1 h6 37. Nf3 Qe7 38. Rxc4 g5 39. Rc6 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.26"]
[Round "5"]
[White "Krueger, Robin Kevin"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2009"]
[BlackElo "2154"]
[PlyCount "41"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 b6 9. h3 a6 10. Ba2 Rb8 11. Be3 b5 12. axb5 axb5 13. b4 Qc7 14. Bb3 exd4 15. Nxd4 d5 16. exd5 Bxb4 17. Bd2 Bxc3 18. Bxc3 cxd5 19. Bb4 Nc5 20. Qf3 Rd8 21. Ba5 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.25"]
[Round "4"]
[White "Niehaus, Frank"]
[Black "Werner, Dimo"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2154"]
[BlackElo "1986"]
[PlyCount "22"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Nc6 7. Be3 e5 8. Bxc6+ bxc6 9. dxe5 Qxd1+ 10. Kxd1 Ng4 11. Nd2 Nxe3+ 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.24"]
[Round "3"]
[White "Tschernatsch, Johannes"]
[Black "Niehaus, Frank"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2029"]
[BlackElo "2154"]
[PlyCount "62"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 g6 5. 0-0 Bg7 6. d4 exd4 7. cxd4 d5 8. exd5 Nxd5 9. Re1+ Be6 10. Bxc6+ bxc6 11. Ng5 0-0 12. Nxe6 fxe6 13. Nc3 Qf6 14. Qe2 Rae8 15. Be3 e5 16. dxe5 Rxe5 17. Qc4 Kh8 18. Bxa7 Nb6 19. Bxb6 cxb6 20. f3 b5 21. Qb4 Rfe8 22. Ne4 Qe6 23. a3 Bf8 24. Qc3 Bg7 25. Qc2 c5 26. Qe2 c4 27. Rad1 Rd5 28. Rxd5 Qxd5 29. Rd1 Qe5 30. Rd2 Bh6 31. Rd1 Bg7 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.23"]
[Round "2"]
[White "Niehaus, Frank"]
[Black "Huels, Maximilian"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2154"]
[BlackElo "1925"]
[PlyCount "54"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. f4 Nc6 7. Nf3 Qb6 8. c3 f6 9. f5 cxd4 10. fxe6 Ndxe5 11. Nf4 dxc3 12. bxc3 Ng4 13. Qxd5 Qf2+ 14. Kd1 Ne3+ 15. Bxe3 Qxe3 16. Bb5 Qc5 17. Nd4 a6 18. Nxc6 Qd6 19. Ba4 b5 20. Nd4 Rb8 21. Bb3 Qxf4 22. Qc6+ Kd8 23. Re1 Be7 24. Kc2 Bd6 25. e7+ Bxe7 26. Rad1 Bd6 27. Ne6+ Bxe6 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.22"]
[Round "1"]
[White "Kreuchauf, Olaf"]
[Black "Niehaus, Frank"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1726"]
[BlackElo "2154"]
[PlyCount "64"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. h3 0-0 6. Bd3 Nc6 7. Be3 e5 8. d5 Nd4 9. Nge2 Nxe2 10. Bxe2 Ne8 11. Qd2 f5 12. Bg5 Bf6 13. Bxf6 Nxf6 14. Bd3 Nxe4 15. Nxe4 fxe4 16. Bxe4 Qh4 17. Bd3 Bf5 18. g3 Qf6 19. Bc2 Rae8 20. 0-0-0 Bxc2 21. Kxc2 Qxf2 22. Qxf2 Rxf2+ 23. Kc3 Ref8 24. Rd3 R8f3 25. Rhd1 e4 26. Rxf3 Rxf3+ 27. Kd4 Rxg3 28. Re1 Rxh3 29. Rxe4 Rf3 30. c5 Kf7 31. a4 dxc5+ 32. Kxc5 Rf6 0-1

[Event "Berlin-ch MT"]
[Site "Berlin"]
[Date "2019.04.28"]
[Round "9"]
[White "Brustkern, Juergen"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2240"]
[BlackElo "2163"]
[PlyCount "26"]
[EventDate "2019.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. d3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c5 7. Qe1 Nc6 8. Qh4 Nd4 9. Nxd4 cxd4 10. f5 e6 11. Bg5 exf5 12. Nd2 h6 13. Bxh6 fxe4 1-0

[Event "Berlin-ch MT"]
[Site "Berlin"]
[Date "2019.04.27"]
[Round "8"]
[White "Niehaus, Frank"]
[Black "Kunze, Martin"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2163"]
[BlackElo "2077"]
[PlyCount "43"]
[EventDate "2019.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. e3 Qb6 5. b3 Bf5 6. Bd3 Bxd3 7. Qxd3 e6 8. Nf3 Nd7 9. 0-0 Be7 10. Bxe7 Nxe7 11. c4 0-0 12. Nc3 Qa6 13. Rfd1 Rfd8 14. Rac1 Rac8 15. cxd5 Qxd3 16. Rxd3 cxd5 17. Rdd1 Rc6 18. Ne2 Rdc8 19. Rxc6 Rxc6 20. Rc1 Rxc1+ 21. Nxc1 Kf8 22. Kf1 1/2-1/2

[Event "Berlin-ch MT"]
[Site "Berlin"]
[Date "2019.04.26"]
[Round "7"]
[White "Nogly, Christoph"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2225"]
[BlackElo "2163"]
[PlyCount "113"]
[EventDate "2019.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 e6 6. Nc3 Nxd5 7. Nxd5 exd5 8. Qxd5 Nc6 9. Nf3 Rb8 10. e4 Be7 11. Bc4 0-0 12. 0-0 Rxb6 13. Bd2 d6 14. Bc3 Be6 15. Qd3 Bxc4 16. Qxc4 Bf6 17. Rad1 Bxc3 18. bxc3 Qe7 19. Qd5 Nd8 20. Rfe1 Ne6 21. g3 Rfb8 22. Rd2 h6 23. Red1 Qf6 24. e5 dxe5 25. Nxe5 Rd8 26. Nd7 Qxc3 27. Nxb6 Rxd5 28. Nxd5 Qe5 29. Rd3 Nd4 30. Nc3 Qf5 31. Kg2 Qe6 32. f3 f5 33. R1d2 Qc4 34. Kf2 Kh7 35. Ne2 Nc6 36. Rc3 Qb5 37. Rb3 Qc4 38. Rc3 Qb5 39. Rb3 Qc4 40. Rd6 Nb4 41. Rc3 Qxa2 42. Rxc5 Qa3 43. Rc3 Qa1 44. Rd2 a5 45. Rc4 Qe5 46. Nf4 Qb8 47. h4 h5 48. Kg2 Qe8 49. Rc7 Qe5 50. Rc8 Qa1 51. Rdd8 g6 52. Rc7+ Kh6 53. Rd6 Qa2+ 54. Kh3 Qg8 55. Rxg6+ Qxg6 56. Nxg6 Kxg6 57. Ra7 1-0

[Event "Berlin-ch MT"]
[Site "Berlin"]
[Date "2019.04.25"]
[Round "6"]
[White "Niehaus, Frank"]
[Black "Dimitrijeski, Kristian"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2163"]
[BlackElo "2164"]
[PlyCount "45"]
[EventDate "2019.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c6 3. e3 Bf5 4. Nf3 Nd7 5. Bd3 Bxd3 6. Qxd3 Ngf6 7. Nbd2 e6 8. 0-0 Be7 9. c3 0-0 10. Rfe1 h6 11. Bh4 Nh5 12. Bxe7 Qxe7 13. Nf1 Nhf6 14. Rad1 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. Qd4 Qxd4 18. exd4 Rfe8 19. Ng3 g6 20. Kf1 Kf8 21. Rxe8+ Rxe8 22. Re1 Rxe1+ 23. Kxe1 1/2-1/2

