[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.02.01"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Pueschel, Werner"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "2023"]
[BlackElo "2062"]
[PlyCount "98"]
[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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. Nf3 Re8 11. 0-0 Bxc3 12. bxc3 Rxe4 13. Bd3 Re8 14. c4 Na6 15. Bb2 Nb4 16. Qd2 f6 17. Rae1 Rf8 18. Ra1 Nxd3 19. Qxd3 Qa5 20. Bc3 Qa6 21. a5 b6 22. Rfe1 bxa5 23. Rxa5 Qb6 24. Ra3 Qc7 25. Nh4 Nb6 26. Bb2 Qf7 27. Qc2 Re8 28. Rae3 Rxe3 29. Rxe3 Bd7 30. f5 g5 31. Re6 gxh4 32. Rxf6 Qh5 33. Rxd6 Bxf5 34. Qc3 Qd1+ 35. Kf2 Qd4+ 36. Qxd4 cxd4 37. c5 Nc4 38. Rf6 Be4 39. Bxd4 Bxd5 40. Rf4 Rf8 41. Bf6 Rf7 42. Ke2 h3 43. gxh3 Na5 44. Kd3 Nc6 45. h4 h6 46. h5 Kh7 47. h4 a5 48. Rf5 Be6 49. Rf4 a4 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8"]
[White "Schellknecht, Joerg"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1903"]
[BlackElo "2023"]
[PlyCount "94"]
[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 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. b3 c5 8. Bb2 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 11. cxd5 Qxd5+ 12. f3 Rd8 13. Qe1 Bc5 14. Nc2 Nbd7 15. Nc3 Qb7 16. Na4 Be7 17. Rc1 b5 18. Nc3 Rac8 19. b4 Ne5 20. a3 Nc4 21. Ba1 Nd2 22. Rg1 Nb3 23. Rb1 Nxa1 24. Nxa1 Nd5 25. Nxd5 Qxd5 26. Qf2 Qa2 27. Qxa7 Qxe2+ 28. Qf2 Qxf2+ 29. Kxf2 Rd2+ 30. Ke3 Ra2 31. Rgc1 Rxa3+ 32. Kf2 Rxc1 33. Rxc1 Bxb4 34. Rc8+ Bf8 35. Nc2 Ra2 36. Ke3 g6 37. h4 Kg7 38. Kd3 b4 39. Rb8 Bd6 40. Rb6 Bxg3 41. Rxb4 Ra5 42. Rg4 Bf2 43. Ke2 Bb6 44. Ne1 Ra2+ 45. Kd3 h5 46. Rc4 Rh2 47. Nc2 Bd8 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.30"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Kreutzkamp, Hans Rudolf"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "2023"]
[BlackElo "2094"]
[PlyCount "136"]
[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. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. e4 Nbd7 7. Nge2 c5 8. d5 Nb6 9. b3 a6 10. 0-0 e6 11. h3 exd5 12. exd5 Re8 13. Bg5 h6 14. Be3 Nbd7 15. Qd2 Kh7 16. a4 Qa5 17. Rac1 Nf8 18. g4 Bd7 19. Bf4 Qc7 20. Ng3 g5 21. Be3 Ng6 22. Qc2 Kg8 23. Nf5 Bxf5 24. Qxf5 Nh4 25. Qc2 Qd7 26. Qd1 Re7 27. Re1 Rae8 28. Bd2 Rxe1+ 29. Bxe1 Qe7 30. Bd2 Qd7 31. Be3 Re7 32. Bf1 Qe8 33. Qd3 Nd7 34. Be2 Bd4 35. Nd1 Ne5 36. Qc2 Neg6 37. Kf1 Nf4 38. Qd2 Bxe3 39. Nxe3 Nxh3 40. Rc3 Nf4 41. Bd1 Re4 42. Nc2 Nhg6 43. Re3 Re5 44. Qc3 f6 45. Qd2 Nh4 46. Qc3 Qg6 47. Qd2 Qe8 48. Qc3 Qe7 49. a5 Nhg2 50. Rxe5 fxe5 51. Bf3 Nh4 52. Be4 Qd7 53. Ne3 h5 54. f3 Nhg6 55. Qc2 Nh4 56. Qc3 hxg4 57. fxg4 Qg7 58. b4 Qc7 59. b5 Nhg6 60. Qc2 Qh7 61. Bxg6 Nxg6 62. Qf5 Qh1+ 63. Kf2 Qh2+ 64. Ng2 Qxg2+ 65. Kxg2 Nh4+ 66. Kg3 Nxf5+ 67. gxf5 Kg7 68. Kg4 Kf6 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6"]
[White "Federau, Juergen"]
[Black "Jaeger, Andre"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "2023"]
[BlackElo "1898"]
[PlyCount "55"]
[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 d6 3. g3 g6 4. Bg2 Bg7 5. e4 0-0 6. Nc3 e5 7. Nge2 Nc6 8. d5 Ne7 9. 0-0 Nd7 10. Be3 f5 11. f3 b6 12. Qd2 Nf6 13. Rae1 Kh8 14. Bh6 Neg8 15. Bxg7+ Kxg7 16. f4 fxe4 17. Nxe4 Nxe4 18. Bxe4 Bh3 19. Bg2 Bxg2 20. Kxg2 Nf6 21. fxe5 dxe5 22. Nc3 Qe7 23. Re2 Rae8 24. Rfe1 Nd7 25. Nb5 Qc5 26. b3 a6 27. Nd4 Rf6 28. Ne6+ 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5"]
[White "Maetzing, Hans Dieter"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1821"]
[BlackElo "2023"]
[PlyCount "134"]
[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. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4 Nf6 5. Bg5 e6 6. Bxf6 Qxf6 7. Qxf6 gxf6 8. 0-0-0 Bh6+ 9. Kb1 Ke7 10. e4 a6 11. Na4 b5 12. Nb6 Rb8 13. Nxc8+ Rhxc8 14. Nf3 a5 15. Nd4 Nxd4 16. Rxd4 Rc5 17. b4 axb4 18. Rxb4 Bd2 19. Rb3 Bc3 20. Ra3 b4 21. Ra4 f5 22. f3 fxe4 23. fxe4 Re5 24. Bd3 Rg8 25. g3 Rb8 26. Kc1 h5 27. Rf1 h4 28. g4 h3 29. Rf3 Rg5 30. Rg3 Be5 31. Rxh3 Rxg4 32. Kd1 Rg2 33. Ra5 Rxh2 34. Rxh2 Bxh2 35. Rb5 Rxb5 36. Bxb5 d6 37. Ke2 Kf6 38. Bc4 Ke5 39. Kd3 Bg3 40. Bb3 Be1 41. Ke3 Bc3 42. Bc4 Bd4+ 43. Kf3 Bc5 44. Bb3 Kd4 45. Kf4 Bb6 46. Ba4 d5 47. exd5 Kxd5 48. Bb5 f6 49. Bd7 Bc5 50. Bc8 Bf8 51. Bb7+ Kd4 52. Bc8 Bh6+ 53. Kf3 Ke5 54. Bd7 f5 55. Bc8 Kf6 56. Bb7 e5 57. Bd5 Ke7 58. Bb7 Kd6 59. Bc8 e4+ 60. Ke2 Ke5 61. Bd7 Bg5 62. Bc8 f4 63. Bd7 f3+ 64. Kf2 Kf4 65. Bb5 Bh4+ 66. Kf1 e3 67. Ba6 Ke5 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4"]
[White "Federau, Juergen"]
[Black "Matitschka, Heinz"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2023"]
[BlackElo "1847"]
[PlyCount "195"]
[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 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. 0-0 0-0 9. e4 e5 10. d5 Nb8 11. b4 a5 12. a3 Na6 13. Ne1 axb4 14. axb4 Bg4 15. f3 Bd7 16. Nd3 b5 17. Qc2 bxc4 18. Qxc4 Rab8 19. Qxa6 Bb5 20. Qa3 Bxd3 21. Qxd3 Rxb4 22. Rfb1 Rxb1+ 23. Rxb1 Nd7 24. Nb3 Rb8 25. Bh3 h6 26. Na5 Rxb1+ 27. Qxb1 Nc5 28. Nb3 Qg5 29. Nxc5 Qe3+ 30. Kh1 Qxc5 31. Qd1 Qe3 32. Bf1 Kh7 33. h4 Qf2 34. g4 Qxh4+ 35. Kg2 Qg5 36. Kf2 Qf4 37. Qd3 Qh2+ 38. Bg2 Qh4+ 39. Kf1 Qg5 40. Qc3 Qd8 41. Ke2 Qb8 42. Bf1 Qa7 43. Ke1 Kg6 44. Be2 Kg5 45. Qd2+ Kf6 46. Kf1 g5 47. Qc3 Qb6 48. Bc4 Qc5 49. Ke2 Qb6 50. Kd2 Qf2+ 51. Be2 Qb6 52. Kc2 Qf2 53. Qc4 Qb6 54. Kc3 Qa5+ 55. Kb3 Qb6+ 56. Ka4 Qa7+ 57. Kb4 Qb6+ 58. Kc3 Qe3+ 59. Qd3 Qc5+ 60. Kb3 Qb6+ 61. Qb5 Qe3+ 62. Kb4 Qd4+ 63. Kb3 Qe3+ 64. Qd3 Qb6+ 65. Kc3 Qc5+ 66. Kd2 Qb6 67. Qc3 Qa7 68. Bd1 Qf2+ 69. Kc1 Qb6 70. Bb3 Qg1+ 71. Kb2 Qf2+ 72. Ka3 Qa7+ 73. Ba4 Qb6 74. Qb3 Qc5+ 75. Ka2 Qf2+ 76. Kb1 Qg1+ 77. Qd1 Qb6+ 78. Ka2 Qf2+ 79. Bc2 Qb6 80. Qd3 Qc5 81. Kb2 Qb6+ 82. Bb3 Qf2+ 83. Ka3 Qa7+ 84. Ba4 Qc5+ 85. Kb3 Qb6+ 86. Bb5 Qc5 87. Qc4 Qe3+ 88. Qc3 Qb6 89. Kb4 Qa7 90. Qc4 Qb6 91. Qb3 Qa7 92. Qd3 Qc5+ 93. Ka4 Qa7+ 94. Ba6 Qc5 95. Qc4 Qb6 96. Bb5 Qa7+ 97. Kb4 Qb6 98. Qc3 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3"]
[White "Brustkern, Juergen"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2182"]
[BlackElo "2023"]
[PlyCount "75"]
[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. f4 d5 2. Nf3 g6 3. e3 Bg7 4. Be2 Nf6 5. 0-0 0-0 6. d3 c5 7. a4 Nc6 8. Kh1 b6 9. Ne5 Bb7 10. Bf3 Qc7 11. Nxc6 Bxc6 12. Nc3 Rad8 13. Qe1 a6 14. e4 d4 15. Ne2 Qd7 16. a5 b5 17. Qh4 c4 18. Bd2 Qb7 19. Bb4 Rfe8 20. Bc5 cxd3 21. cxd3 Qd7 22. Bb6 Rc8 23. Rfd1 Ba8 24. Nxd4 Kh8 25. Nb3 Rc2 26. Rab1 Kg8 27. h3 Rf8 28. Nd4 Rcc8 29. Qf2 Rb8 30. Nb3 Rfc8 31. Nc5 Qe8 32. Nxa6 Rb7 33. Rbc1 Rxc1 34. Rxc1 Nd7 35. e5 Nxb6 36. axb6 Rd7 37. Nc7 Qc8 38. Bxa8 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2"]
[White "Federau, Juergen"]
[Black "Casny, Guenter"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2023"]
[BlackElo "1828"]
[PlyCount "81"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Bd3 a6 8. c5 0-0 9. b4 Nh5 10. Bf4 Nxf4 11. exf4 Qc7 12. g3 Bf6 13. 0-0 b6 14. Qc2 g6 15. Ne5 bxc5 16. bxc5 a5 17. Qe2 Bxe5 18. fxe5 Qa7 19. Na4 Ba6 20. Bxa6 Qxa6 21. Qxa6 Rxa6 22. Rab1 Ra7 23. Rb2 f6 24. f4 fxe5 25. fxe5 Rxf1+ 26. Kxf1 Kf7 27. h4 Ke7 28. Ke2 Ra8 29. Rb7 Rb8 30. Ra7 Kd8 31. Rxa5 Kc7 32. Ra7+ Rb7 33. Rxb7+ Kxb7 34. Kd3 Ka6 35. Kc3 Kb5 36. Kb3 Ka5 37. Nb2 Kb5 38. Nd3 Ka5 39. Nb4 Nxc5+ 40. dxc5 Kb5 41. Nd3 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1"]
[White "Andress, Silvio"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1737"]
[BlackElo "2023"]
[PlyCount "98"]
[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. Nf3 Nf6 2. b4 e6 3. a3 d5 4. Bb2 c5 5. bxc5 Bxc5 6. e3 0-0 7. c4 Nbd7 8. d4 Be7 9. Nc3 dxc4 10. Bxc4 Nb6 11. Bd3 Bd7 12. Ne5 Rc8 13. Nxd7 Qxd7 14. Qe2 Nfd5 15. Nxd5 Nxd5 16. 0-0 Rc7 17. Rfc1 Rfc8 18. Qd2 a6 19. Rxc7 Rxc7 20. Rc1 b5 21. e4 Rxc1+ 22. Qxc1 Nb6 23. Qc2 Na4 24. f3 Nxb2 25. Qxb2 Qc7 26. Bc2 Qa5 27. Kf2 Bxa3 28. Qb3 Qd2+ 29. Kg3 Be7 30. h3 Qxd4 31. f4 h5 32. Qf3 h4+ 33. Kh2 Bc5 34. Qf1 Qd2 35. Bd3 Bf2 36. f5 exf5 37. exf5 Kf8 38. Be2 Qf4+ 39. Kh1 Qxf5 40. Bf3 Bg3 41. Qd1 g6 42. Bg4 Qe5 43. Be2 a5 44. Qd3 b4 45. Qc4 b3 46. Qg4 b2 47. Qc8+ Kg7 48. Qc2 Qxe2 49. Qb1 Qd2 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.17"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Rosefeldt, Luis"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2063"]
[BlackElo "1243"]
[PlyCount "83"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qc7 10. Be2 Be7 11. 0-0 0-0 12. Rc1 b6 13. a3 Nd5 14. b4 Nxc3 15. Rxc3 Bf6 16. Bf3 Bb7 17. Qb3 Rab8 18. Rc2 c5 19. Bxb7 Qxb7 20. bxc5 bxc5 21. Qxb7 Rxb7 22. Na5 Rb5 23. Rxc5 Rxc5 24. dxc5 Be7 25. Rc1 Rc8 26. Nb7 Rc7 27. c6 Bxa3 28. Rc4 Kf8 29. Kf1 Bb2 30. Ke2 Ke7 31. Kd3 g6 32. Kc2 Be5 33. g3 f5 34. Kb3 Rc8 35. Kb4 Bc7 36. Rd4 Kf6 37. Kb5 Bb6 38. Rd7 h5 39. Nd6 Rb8 40. Ka6 Rd8 41. Rxd8 Bxd8 42. Kxa7 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.16"]
[Round "8"]
[White "Nguyen, Phuc Nhat"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1874"]
[BlackElo "2063"]
[PlyCount "81"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 e5 7. Nb3 Be6 8. g4 d5 9. exd5 Nxd5 10. Nxd5 Bxd5 11. Rg3 Bc6 12. Qxd8+ Kxd8 13. Be3 Kc7 14. Bc4 f6 15. 0-0-0 b6 16. Be6 a5 17. f4 Na6 18. fxe5 fxe5 19. Bg1 a4 20. Nd2 Nc5 21. Bf7 Be7 22. Nc4 Rhf8 23. Nxe5 Bg5+ 24. Be3 Ne4 25. Bxg5 Nxg5 26. Rc3 Nxf7 27. Rd7+ Kb8 28. Nxc6+ Kc8 29. Ne5+ Kb8 30. Rxf7 Rxf7 31. Nxf7 Ra5 32. Nd6 Rd5 33. Rc8+ Ka7 34. Rc7+ Ka6 35. Rxg7 Rxd6 36. Rxh7 Kb5 37. h4 a3 38. bxa3 Rd4 39. g5 Rg4 40. Rh6 Kc4 41. Kb2 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.15"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Jaeger, Andre"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2063"]
[BlackElo "1870"]
[PlyCount "42"]
[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 d6 3. g3 g6 4. Bg2 Bg7 5. e4 0-0 6. Ne2 c5 7. d5 b5 8. cxb5 a6 9. bxa6 Bxa6 10. 0-0 Nbd7 11. Qc2 Ne5 12. Rd1 c4 13. Nbc3 Nd3 14. Be3 Ng4 15. Qd2 Nxe3 16. fxe3 Rb8 17. Rab1 e5 18. Nc1 Nc5 19. b4 cxb3 20. axb3 Qd7 21. h4 Bh6 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.14"]
[Round "6"]
[White "Kracht, Raphael"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2045"]
[BlackElo "2063"]
[PlyCount "126"]
[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 c5 2. d4 cxd4 3. c3 g6 4. Nf3 Bg7 5. Bc4 d3 6. Qb3 e6 7. Bf4 Nc6 8. Qa3 Nge7 9. Bd6 b6 10. Nbd2 Bb7 11. Qa4 Nc8 12. Ba3 a6 13. Bxd3 b5 14. Qc2 d6 15. h4 h6 16. Rd1 Qc7 17. Nf1 0-0 18. h5 g5 19. Ne3 Rd8 20. Ng4 Nb6 21. Qc1 f6 22. Ne3 Rac8 23. b3 b4 24. cxb4 Nxb4 25. Qxc7 Nxd3+ 26. Rxd3 Rxc7 27. Nd2 d5 28. exd5 Nxd5 29. Ndc4 Rcd7 30. Nxd5 Rxd5 31. Rxd5 Bxd5 32. Ne3 Bc6 33. 0-0 f5 34. Nc4 Bb5 35. Re1 Bxc4 36. bxc4 Rd2 37. Rxe6 Rxa2 38. Rxa6 Bf8 39. Rg6+ Bg7 40. Bc5 Kf7 41. Rc6 Rc2 42. Bb6 Be5 43. g3 f4 44. gxf4 Bxf4 45. Kg2 g4 46. Bc7 Bxc7 47. Rxc7+ Kf6 48. Kg3 Kg5 49. Rc5+ Kf6 50. Rc8 Kg5 51. Rg8+ Kxh5 52. Rxg4 Rc3+ 53. f3 Rc2 54. Rd4 Kg5 55. Rd5+ Kg6 56. Rc5 h5 57. Rc8 Rc3 58. c5 h4+ 59. Kf2 h3 60. c6 h2 61. Kg2 Rc2+ 62. Kh1 Kf7 63. c7 Ke7 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.13"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Fock, Sana"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "2063"]
[BlackElo "1807"]
[PlyCount "129"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 c6 7. Bd3 Nbd7 8. Nf3 b6 9. 0-0 0-0 10. Qe2 Bb7 11. Rfd1 dxc4 12. Bxc4 Nd5 13. Bg3 Nxc3 14. bxc3 Nf6 15. Bd3 Qc7 16. Ne5 c5 17. f3 a6 18. Nc4 Qc6 19. Rdc1 b5 20. Na5 Qb6 21. Nxb7 Qxb7 22. Rab1 Qa7 23. Bf2 c4 24. Bc2 Ba3 25. Rd1 Nd5 26. Qd2 Nf6 27. e4 Qd7 28. Qe2 a5 29. Be3 Rfc8 30. Qf2 Bf8 31. Qg3 Nh5 32. Qe5 g6 33. Qxb5 Qc7 34. Qb7 Qd6 35. Qb6 Rc6 36. Qb5 Rcc8 37. e5 Qa3 38. Qb2 Qxb2 39. Rxb2 Rcb8 40. Rdb1 Rxb2 41. Rxb2 g5 42. Be4 Rd8 43. a4 Ba3 44. Rb5 Nf4 45. Bxf4 gxf4 46. Kf2 Kf8 47. Ke2 Ke7 48. Rxa5 Rd7 49. Rb5 Kf8 50. Rb8+ Kg7 51. Rc8 f5 52. Bc6 Re7 53. Bb5 Kg6 54. Bxc4 h5 55. Rc6 Rg7 56. Kf1 Rb7 57. Bb5 Bb2 58. Rxe6+ Kg5 59. Rc6 Ba3 60. c4 Bb2 61. Rd6 Ba3 62. c5 Re7 63. Rd7 Re6 64. c6 Re8 65. c7 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.12"]
[Round "4"]
[White "Guder, Sibylle"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1814"]
[BlackElo "2063"]
[PlyCount "82"]
[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 e5 2. g3 Nc6 3. Bg2 f5 4. e3 Nf6 5. d3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. Ne2 d6 9. Nbc3 Ne7 10. 0-0 c6 11. f4 Ng6 12. h3 Be6 13. b3 Qd7 14. Kh2 Rad8 15. Rad1 Qc8 16. Qc2 Qc7 17. Rc1 Bc8 18. b4 Qb6 19. b5 cxb5 20. cxb5 Qxe3 21. Nd5 Nxd5 22. Bxd5+ Kh8 23. a4 Ne7 24. Bg2 Ng6 25. a5 exf4 26. Nxf4 Nxf4 27. Rxf4 h6 28. Qc3 Rde8 29. Rcf1 Re5 30. R1f3 Qe1 31. Qc7 Rxb5 32. Qxd6 Re8 33. Rf1 Qxa5 34. h4 Qd8 35. Qg6 Rb6 36. Qh5 Rb2 37. Kh3 Ree2 38. Rg1 Be6 39. Rd4 Qxd4 40. Qe8+ Kh7 41. h5 f4+ 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.11"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Schliebener, Stephan"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2063"]
[BlackElo "2107"]
[PlyCount "44"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 b6 6. Nf3 Bb7 7. 0-0 d6 8. Bd2 Nbd7 9. a3 Bxc3 10. Bxc3 Ne4 11. Rc1 f5 12. Qe2 Rf6 13. Nd2 Rh6 14. g3 Qh4 15. Nf3 Qh3 16. Rfd1 g5 17. d5 Nxc3 18. Rxc3 Ne5 19. Bc2 g4 20. Nh4 Rxh4 21. gxh4 Nf3+ 22. Kh1 Qxh2# 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.10"]
[Round "2"]
[White "Leongardt, Andrej"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "2063"]
[PlyCount "112"]
[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 c5 2. Nc3 Nc6 3. Nge2 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Bb5 Bb4 7. 0-0 Qc7 8. Nxc6 bxc6 9. Bd3 d5 10. exd5 cxd5 11. Nb5 Qb8 12. c3 Be7 13. Nd4 Bd7 14. Qc2 h6 15. a4 0-0 16. Ba6 Rd8 17. b4 Qb6 18. Qe2 Ne4 19. Bb2 Bf6 20. a5 Qc7 21. Rfc1 Nd6 22. Nb3 Rab8 23. Nc5 Bb5 24. Bxb5 Rxb5 25. Rc2 Nc4 26. Bc1 Be7 27. Nb3 Rdb8 28. Qg4 Kh7 29. Qf3 Kg8 30. Bf4 e5 31. Bg3 f6 32. Rd1 Qc6 33. Nd4 exd4 34. Bxb8 Rxb8 35. Rxd4 Rd8 36. Re2 Bd6 37. g3 Be5 38. Rd3 Qb7 39. Qf5 Qd7 40. Qg6 Qf7 41. Qg4 Qd7 42. Qh4 Qf5 43. Rxd5 Rxd5 44. Qxc4 Qd3 45. Re4 Bxc3 46. Re8+ Kh7 47. Qc8 Re5 48. Rh8+ Kg6 49. Qg4+ Rg5 50. Qe6 Qd1+ 51. Kg2 Qd5+ 52. Qxd5 Rxd5 53. Rb8 Rd2 54. a6 Bd4 55. Rd8 Rxf2+ 56. Kg1 Bb6 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2022.07.09"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Grob, Gerhard"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2063"]
[BlackElo "1652"]
[PlyCount "132"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 0-0 8. Bd3 h6 9. Bh4 Re8 10. Nge2 Nbd7 11. f3 Qa5 12. Bg3 Bb4 13. Qd2 c5 14. 0-0 Nf8 15. a3 Bxc3 16. Nxc3 cxd4 17. exd4 Be6 18. b4 Qb6 19. Bf2 Bd7 20. Rfe1 Rxe1+ 21. Rxe1 Re8 22. Re5 Bc6 23. b5 Bd7 24. Nxd5 Qd8 25. Nxf6+ Qxf6 26. Rxe8 Bxe8 27. Qe3 Bd7 28. Qe5 Qd8 29. d5 Qa5 30. Qb2 Qa4 31. Be2 Ng6 32. Bg3 Ne7 33. d6 Nf5 34. Be5 f6 35. Bg3 Qd4+ 36. Qxd4 Nxd4 37. Bc4+ Kf8 38. a4 Nf5 39. Kf2 Nxg3 40. Kxg3 Bf5 41. Kf4 Bc2 42. a5 b6 43. axb6 axb6 44. Bd5 Ke8 45. Be4 Ba4 46. Bc6+ Kd8 47. h4 Bb3 48. g4 Be6 49. Ke4 g6 50. Kd4 Bb3 51. Ke4 Be6 52. Kf4 g5+ 53. hxg5 hxg5+ 54. Ke4 Kc8 55. Kd4 Kd8 56. Ke3 Kc8 57. Kf2 Kd8 58. Kg3 Kc8 59. f4 gxf4+ 60. Kxf4 Kd8 61. Be4 Kd7 62. Bf5 Kxd6 63. Bxe6 Kxe6 64. Ke4 Ke7 65. Kf3 Kf7 66. Kf4 Ke7 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.01"]
[Round "8"]
[White "Schulz, Michael"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2192"]
[BlackElo "2124"]
[PlyCount "103"]
[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 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 0-0 7. Nc3 f5 8. Nf3 Nd7 9. Qc2 Nf6 10. 0-0-0 c6 11. Bd3 g6 12. h3 Qe7 13. Rhe1 Bd7 14. Kb1 Rfe8 15. Re2 Rad8 16. a3 Kg7 17. Rde1 Qf8 18. e4 fxe4 19. Nxe4 Nxe4 20. Bxe4 Rxe4 21. Rxe4 Bf5 22. g4 Bxe4 23. Qxe4 Rd7 24. Ne5 Bxe5 25. dxe5 Qc5 26. Qf4 Qd5 27. Qe3 b6 28. f4 Qc4 29. f5 Qd3+ 30. Ka2 Qxe3 31. Rxe3 gxf5 32. gxf5 Rd4 33. b4 Kf8 34. f6 Rd5 35. Kb2 a6 36. Kc3 Ke8 37. e6 Rd6 38. exf7+ Kxf7 39. Re7+ Kxf6 40. Rxh7 Kf5 41. a4 Ke4 42. Re7+ Kd5 43. Re3 Rh6 44. Rd3+ Ke5 45. Rg3 Kd5 46. Rd3+ Ke5 47. a5 bxa5 48. bxa5 Rh4 49. Rg3 Kd5 50. Rg5+ Kd6 51. Rg6+ Kd5 52. Rg5+ 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.28"]
[Round "4"]
[White "Brustkern, Juergen"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2226"]
[BlackElo "2124"]
[PlyCount "61"]
[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. f4 d5 2. Nf3 g6 3. e3 Bg7 4. Be2 c5 5. 0-0 Nc6 6. d3 Nf6 7. a4 0-0 8. Ne5 Qd6 9. Nxc6 Qxc6 10. Bf3 Qd6 11. Nc3 Rd8 12. e4 dxe4 13. dxe4 Qxd1 14. Bxd1 Be6 15. Bf3 Bc4 16. Re1 e5 17. fxe5 Nd7 18. Bg5 Re8 19. Nd5 Bxd5 20. exd5 Bxe5 21. c3 f6 22. Bg4 f5 23. Be2 Bf6 24. Bh6 Kf7 25. a5 Rad8 26. a6 b6 27. Bb5 Rxe1+ 28. Rxe1 Nf8 29. Bf4 Be7 30. Rxe7+ Kxe7 31. Bg5+ 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.20"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Hofmeister, Frank"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2083"]
[BlackElo "1827"]
[PlyCount "98"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Bd6 6. Bd3 Nbd7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Qc7 11. Bc2 Re8 12. Re1 b6 13. Qd3 g6 14. Bh6 Bb7 15. Rad1 Rad8 16. h3 Bf8 17. Bxf8 Rxf8 18. Qe3 c5 19. b3 Rfe8 20. Re2 Bxf3 21. Qxf3 cxd4 22. Rxd4 Ne5 23. Qe3 Rxd4 24. Qxd4 Nc6 25. Qe3 Rd8 26. Rd2 h5 27. h4 Kf8 28. g3 Ke8 29. Be4 a5 30. Qc3 Nb4 31. a3 Na6 32. Rxd8+ Qxd8 33. Bc2 Qd6 34. Qh8+ Ke7 35. Qa8 Nc5 36. b4 axb4 37. axb4 Nd7 38. Qa3 e5 39. Be4 Nf6 40. Bf3 e4 41. c5 bxc5 42. bxc5 Qd3 43. Qxd3 exd3 44. Kf1 Nd7 45. c6 Ne5 46. Bg2 Kd6 47. Ke1 Nxc6 48. Bxc6 Kxc6 49. Kd2 Kd5 1/2-1/2

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.19"]
[Round "8"]
[White "Hohn, August"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "1832"]
[BlackElo "2083"]
[PlyCount "48"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Bb4 6. g3 d6 7. a3 Bxc3+ 8. bxc3 Nf6 9. Bg2 0-0 10. 0-0 h6 11. Nh3 Na5 12. Qa4 b6 13. Nf4 Qe8 14. Qxe8 Rxe8 15. c5 dxc5 16. dxc5 Nb3 17. Ra2 Nxc5 18. Be3 Ne6 19. Rd2 Nxf4 20. Bxf4 c5 21. Rfd1 Be6 22. Rd6 Kf7 23. R1d2 g5 24. Be3 Ng4 0-1

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.18"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Fock, Amina"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2083"]
[BlackElo "1749"]
[PlyCount "123"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[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 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. Nf3 d6 7. 0-0 Bxd2 8. Qxd2 Nbd7 9. Nc3 e5 10. Rfd1 Qe7 11. Qc2 Nb6 12. b3 Bd7 13. dxe5 dxe5 14. Nd2 Bc6 15. e4 Nbd7 16. Nd5 Bxd5 17. cxd5 Nc5 18. Rac1 b6 19. a3 Rfb8 20. Bf1 Ne8 21. Bb5 Nd6 22. Bc6 Ra7 23. Re1 Na6 24. Qc3 Nb7 25. Bxb7 Rbxb7 26. Nc4 f6 27. Ra1 Qc5 28. Rec1 Nb8 29. Qd2 Qf8 30. Rc2 c6 31. dxc6 Rc7 32. Nxb6 Ra6 33. Nd7 Nxd7 34. cxd7 Rd6 35. Rxc7 Rxd2 36. Rc8 Rxd7 37. Rxf8+ Kxf8 38. Kg2 Rd4 39. Re1 Rd2 40. g4 Ra2 41. a4 Rd2 42. h4 Rd3 43. Re3 Rd4 44. Kg3 Kf7 45. f3 Kg6 46. Rc3 Rb4 47. Kf2 h5 48. Kg3 hxg4 49. Kxg4 Kh6 50. h5 Rb6 51. Rc8 Kh7 52. Rc5 Rxb3 53. Rxa5 Rb1 54. Ra8 Rg1+ 55. Kh4 Rf1 56. Kg4 Rg1+ 57. Kh3 Rf1 58. Kg2 Ra1 59. a5 Kh6 60. a6 Kxh5 61. a7 Kg6 62. Kg3 1/2-1/2

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.17"]
[Round "6"]
[White "Petersen, Marcel"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1818"]
[BlackElo "2083"]
[PlyCount "105"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[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 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 Nc6 10. f5 b5 11. a3 Bb7 12. Be3 Rc8 13. Bf3 Na5 14. Nxa5 Qxa5 15. Qd3 Qc7 16. g4 h6 17. Rac1 Qc4 18. h3 Rfe8 19. Rfe1 Qxd3 20. cxd3 Nd7 21. b4 Bg5 22. Bxg5 hxg5 23. Bd1 Rc7 24. Bb3 Rec8 25. Ne2 Rxc1 26. Rxc1 Rxc1+ 27. Nxc1 Nf6 28. Ne2 d5 29. exd5 Bxd5 30. Bc2 Kf8 31. Nc3 Ke7 32. Kf2 Kd6 33. Kg3 Nd7 34. Bd1 f6 35. h4 gxh4+ 36. Kxh4 Nb6 37. Kg3 Bc6 38. Bb3 Bb7 39. Kh4 Nc8 40. a4 bxa4 41. Nxa4 Bc6 42. Nc3 Ne7 43. Bc4 Bb7 44. Kh5 Bf3 45. Ne4+ Bxe4 46. dxe4 Nc6 47. Kg6 Nxb4 48. Kxg7 a5 49. Kxf6 a4 50. g5 a3 51. g6 Nc6 52. g7 Ne7 53. g8Q 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.16"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Matthes, Aaron"]
[Result "0-1"]
[ECO "E54"]
[WhiteElo "2083"]
[BlackElo "1995"]
[PlyCount "162"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Rc1 h6 12. Bh4 Nc6 13. Bd3 Be7 14. Bb1 Rc8 15. Re1 Nh5 16. Qd3 g6 17. Bxe7 Nxe7 18. Rcd1 Nf5 19. Ne2 Nh4 20. Nxh4 Qxh4 21. f3 Rfd8 22. Qe3 Nf6 23. Nc3 Nd5 24. Nxd5 Bxd5 25. Rd2 Rc7 26. Red1 Rdc8 27. Qf2 Qf4 28. Qe2 Rc1 29. Qd3 Kg7 30. Qe2 Kh7 31. Qe1 R1c7 32. Qe5 Qh4 33. Qe1 Qe7 34. Qe3 Rc1 35. Qe1 Rxd1 36. Rxd1 Qc7 37. Qd2 Qc4 38. Kf2 Qa4 39. b3 Qc6 40. Qd3 Qc7 41. h3 Qe7 42. Qd2 Kg7 43. Kg1 Qh4 44. Qe3 Kh7 45. Qd2 Rd8 46. Qe3 Rd7 47. Rc1 Bb7 48. Be4 Qd8 49. Bxb7 Rxb7 50. a4 Rd7 51. Rc4 Rd5 52. Qc3 a6 53. Rc7 Qf6 54. Rc6 Rxd4 55. Qc2 Qd8 56. Qe2 Rd1+ 57. Kh2 Qb8+ 58. g3 Qd8 59. Rc2 Qd4 60. Qf2 Qxf2+ 61. Rxf2 Rb1 62. Rd2 Rxb3 63. Rd6 Rb2+ 64. Kg1 Kg7 65. Rc6 a5 66. h4 Kf6 67. g4 h5 68. g5+ Kg7 69. Rd6 Rb4 70. Kf2 Rxh4 71. Rxb6 Rxa4 72. Ra6 Ra2+ 73. Kg3 Rd2 74. f4 Rd3+ 75. Kf2 Ra3 76. Kg2 h4 77. Ra8 Ra4 78. Kf3 h3 79. Kg3 h2 80. Kxh2 Rxf4 81. Rxa5 Rf5 0-1

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.15"]
[Round "4"]
[White "Kovalev, Andrei"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2511"]
[BlackElo "2083"]
[PlyCount "71"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Bc4 Nf6 8. h3 0-0 9. Bb3 Bd7 10. 0-0 a6 11. Re1 b5 12. Nxc6 Bxc6 13. Bg5 Re8 14. Qd2 a5 15. a3 Rc8 16. Qe3 Qc7 17. Qf4 Qb7 18. a4 bxa4 19. Bxf6 Bxf6 20. Nxa4 Rf8 21. Nc3 Bxc3 22. bxc3 a4 23. Bxa4 Bxa4 24. Rxa4 Rxc3 25. e5 dxe5 26. Qxe5 Rxc2 27. Qxe7 Qxe7 28. Rxe7 h5 29. g4 hxg4 30. hxg4 Rc5 31. Kg2 Kg7 32. Kg3 Rb5 33. Raa7 Rbb8 34. g5 Rbe8 35. Reb7 Rb8 36. Re7 1/2-1/2

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.14"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Verbitzky, Jaroslaw"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2083"]
[BlackElo "1853"]
[PlyCount "39"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 c5 12. Bg5 cxd4 13. Qxd4 Be7 14. Qh4 g6 15. Rfd1 Bd7 16. Ne5 Re8 17. Ba4 Nh5 18. Bxe7 Rxe7 19. Qd4 Qc7 20. Nxd7 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.13"]
[Round "2"]
[White "Kostanyan, Hakob"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1887"]
[BlackElo "2083"]
[PlyCount "54"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. Be3 Nd4 8. Qd2 d6 9. Bxd4 cxd4 10. Nb5 Nc6 11. c3 dxc3 12. bxc3 0-0 13. 0-0 a6 14. Nbd4 Nxd4 15. cxd4 b5 16. a4 Rb8 17. Rab1 Qb6 18. Qb4 Rd8 19. Rfc1 Bf8 20. d5 e5 21. Rc6 Qb7 22. Qa5 Re8 23. Rbc1 bxa4 24. Nc3 Qb4 25. Qxa4 Qxa4 26. Nxa4 Bd7 27. Rxa6 Bb5 1/2-1/2

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.12"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Grob, Gerhard"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2083"]
[BlackElo "1673"]
[PlyCount "123"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Bf5 7. Qb3 b6 8. Bxf6 Bxf6 9. Qxd5 Qxd5 10. Nxd5 Bd8 11. Rc1 c6 12. Nf4 b5 13. Bd3 Ba5+ 14. Kf1 Bd7 15. Nf3 f6 16. Ke2 0-0 17. Rhd1 Na6 18. Kf1 Rac8 19. a3 Nc7 20. Bb1 g5 21. Ba2+ Kh8 22. Nd3 Ne6 23. Nd2 Bd8 24. Nb3 Be7 25. Na5 Nd8 26. Nc5 Bf5 27. f3 Bxc5 28. Rxc5 Bd7 29. Rdc1 Re8 30. Kf2 Kg7 31. d5 Re5 32. R5c2 Be8 33. dxc6 Re7 34. c7 Ne6 35. Bxe6 Rxe6 36. Nb3 Re7 37. Nd4 Kf7 38. Rc5 a6 39. b4 Re5 40. R5c3 Re7 41. e4 Rd7 42. Ke3 Ke7 43. Nf5+ Kf8 44. Rc6 Rf7 45. Rxa6 Rcxc7 46. Rxc7 Rxc7 47. Rxf6+ Kg8 48. Rd6 Rc2 49. Rd8 Kf7 50. Rb8 Bd7 51. Rb7 Ke8 52. g4 Rxh2 53. Rb8+ Kf7 54. Nd6+ Ke6 55. Nxb5 Rb2 56. Nd4+ Ke5 57. Rb7 Ba4 58. Ra7 Bd1 59. Rxh7 Ra2 60. Re7+ Kf6 61. Re6+ Kf7 62. Ra6 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.30"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Tschernatsch, Johannes"]
[Result "1/2-1/2"]
[ECO "E54"]
[WhiteElo "2078"]
[BlackElo "2029"]
[PlyCount "177"]
[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 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Bd3 d5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Re1 Bb7 11. Bg5 Nbd7 12. Rc1 h6 13. Bh4 Be7 14. Ne5 g5 15. Bg3 Kg7 16. Bb3 Rc8 17. Qe2 Nb8 18. Red1 Nd5 19. Qh5 Nf6 20. Qe2 Bb4 21. h4 Bxc3 22. bxc3 Ne4 23. Rd3 gxh4 24. Qg4+ Qg5 25. Bxh4 Qxg4 26. Nxg4 Nd7 27. f3 Nef6 28. Nxf6 Nxf6 29. Bg3 Nd5 30. c4 Ba6 31. Bf2 Rc6 32. Rd2 Rfc8 33. c5 Nb4 34. Rc3 Rd8 35. a3 Nd5 36. Rcc2 Nf4 37. Ba4 Rcc8 38. cxb6 axb6 39. Rxc8 Rxc8 40. Rc2 Rd8 41. Rc6 Ne2+ 42. Kh2 Rd5 43. g3 Nxd4 44. Rxb6 Nxf3+ 45. Kg2 Be2 46. Rb2 Rd2 47. Rxd2 Nxd2 48. Bc6 Bf1+ 49. Kg1 Ba6 50. a4 Nc4 51. Bc5 Kf6 52. Bf8 Kg5 53. Bf3 Ne5 54. Bd1 h5 55. Be7+ f6 56. Bd8 Ng6 57. Bc2 Ne5 58. Bd1 Nc6 59. Bb6 e5 60. Kf2 f5 61. Bf3 Nb4 62. Bd8+ Kg6 63. Ke3 Nc2+ 64. Kf2 Nd4 65. Bd1 Ne6 66. Be7 Ng5 67. Bc2 Nh7 68. Bd1 Ng5 69. Bc2 Nf7 70. a5 Nh6 71. Ba4 Ng4+ 72. Ke1 Kf7 73. Bc5 Kg6 74. Be7 Nf6 75. Bc2 Nd5 76. Bd8 Ne3 77. Ba4 Kf7 78. Bg5 Ng4 79. Bb3+ Kg6 80. Bd8 e4 81. Ba4 Ne5 82. Be8+ Kh6 83. Bc7 Nf3+ 84. Kf2 h4 85. Bf4+ Kg7 86. gxh4 Nxh4 87. Bh5 Kf6 88. Kg3 Ng6 89. Bxg6 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.29"]
[Round "8"]
[White "Foerster, Jonas"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2274"]
[BlackElo "2078"]
[PlyCount "65"]
[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 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 d5 12. Nc3 Nba6 13. Re1 Re8 14. Bf4 Bf8 15. Qg4 g6 16. Bg5 f6 17. Nh6+ Kg7 18. Be3 Nc5 19. Rad1 N5e6 20. h4 d4 21. Nf5+ Kf7 22. Nxd4 Qe7 23. e5 Nxd4 24. Bxd4 f5 25. Qe2 Ne6 26. f4 Rad8 27. Bf2 Rxd1 28. Rxd1 Rd8 29. a4 Qb4 30. Rxd8 Nxd8 31. Qd2 Qe7 32. a5 Qe6 33. Qxd8 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.28"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Kostanyan, Hakob"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "2078"]
[BlackElo "1855"]
[PlyCount "93"]
[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. g3 Bg7 4. Bg2 d6 5. e4 0-0 6. Ne2 Nc6 7. 0-0 e5 8. d5 Ne7 9. Nbc3 c5 10. dxc6 bxc6 11. Bg5 Be6 12. b3 Qd7 13. Qd2 Rad8 14. Rad1 Ng4 15. Qd3 f6 16. Bc1 f5 17. Ba3 Nc8 18. f3 Nf6 19. f4 fxe4 20. Nxe4 Nxe4 21. Bxe4 Rf7 22. fxe5 Bxe5 23. Rxf7 Bxf7 24. Nc3 Nb6 25. Bg2 c5 26. Bc1 Be6 27. Be3 Qg7 28. Nd5 Bf5 29. Be4 Rf8 30. Rf1 Bxe4 31. Rxf8+ Qxf8 32. Qxe4 Nxd5 33. Qxd5+ Qf7 34. Qxf7+ Kxf7 35. Kg2 Kf6 36. Kf3 h5 37. h3 g5 38. g4 h4 39. Ke4 a6 40. Kd5 Bg3 41. Bd2 Be5 42. a3 Bb2 43. Kxd6 Bxa3 44. Be3 a5 45. Bxc5 Bb2 46. Bb6 Bc3 47. Bd8+ 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.27"]
[Round "6"]
[White "Silz, Elisa"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "1977"]
[BlackElo "2078"]
[PlyCount "44"]
[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. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Bf4 d6 11. dxc5 bxc5 12. Rad1 Qb6 13. Bg5 Bxg5 14. Nxg5 Bxg2 15. Kxg2 h6 16. Ne4 Rd8 17. Qb3 Qc7 18. Nc3 a6 19. Qc2 Nc6 20. f4 Rab8 21. Qd2 Nd4 22. b3 Qb7+ 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.26"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Ziems, Michael"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2078"]
[BlackElo "1793"]
[PlyCount "82"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c5 7. dxc5 Nxc5 8. cxd5 Nxd5 9. Bxe7 Kxe7 10. Nxd5+ Qxd5 11. Qxd5 exd5 12. Rc1 Kd6 13. Be2 Be6 14. Nd4 a6 15. f3 Rac8 16. Kd2 g6 17. g4 Nd7 18. Rxc8 Rxc8 19. g5 Ne5 20. b3 Nd7 21. h4 h5 22. Bd3 Ne5 23. Bb1 b5 24. a3 Bd7 25. Rf1 a5 26. f4 Ng4 27. f5 Be8 28. fxg6 fxg6 29. Bd3 b4 30. axb4 axb4 31. Ra1 Ne5 32. Ra6+ Kc7 33. Be2 Kb7 34. Re6 Nc4+ 35. bxc4 dxc4 36. Bf3+ Kc7 37. Ra6 Rb8 38. Bd5 b3 39. Be4 b2 40. Bb1 Bd7 41. Rxg6 Bh3 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.25"]
[Round "4"]
[White "Malek, Daniel"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2362"]
[BlackElo "2078"]
[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. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 0-0 8. d5 f5 9. Qc2 Nxc3 10. Bxc3 c6 11. dxe6 dxe6 12. Rd1 Qc8 13. Ne5 c5 14. Bxb7 Qxb7 15. 0-0 Bf6 16. Rd6 Re8 17. Rfd1 a6 18. Qd3 b5 19. Rxe6 Nc6 20. Qd5 Rad8 21. Rxe8# 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.24"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Noetzel, Felix"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2078"]
[BlackElo "2203"]
[PlyCount "75"]
[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 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. b3 Bd6 7. Bb2 Ne4 8. Nxe4 dxe4 9. Nd2 f5 10. Qh5+ g6 11. Qe2 0-0 12. h4 c5 13. h5 g5 14. 0-0-0 Qf6 15. f3 exf3 16. Nxf3 g4 17. Ne1 e5 18. dxe5 Bxe5 19. Nd3 Bxb2+ 20. Qxb2 Qxb2+ 21. Kxb2 Re8 22. Re1 b6 23. Nf4 Nf6 24. Bd3 Re5 25. h6 Bb7 26. Re2 Rae8 27. Rhe1 g3 28. Kc3 Kf7 29. Kd2 Rd8 30. Kc3 Be4 31. Bxe4 Nxe4+ 32. Kc2 Rd6 33. Rh1 Nf2 34. Rh5 Kf6 35. Nd5+ Kg6 36. Nf4+ Kf6 37. Nd5+ Kg6 38. Nf4+ 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.23"]
[Round "2"]
[White "Federau, Juergen"]
[Black "Kievelitz, Bernd"]
[Result "1-0"]
[ECO "E59"]
[WhiteElo "2078"]
[BlackElo "1874"]
[PlyCount "85"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 c5 6. Bd3 d5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Ba2 Rd8 12. Qe2 h6 13. Bb2 e5 14. h3 e4 15. Nh2 Re8 16. Ng4 Nxg4 17. hxg4 Qd6 18. f4 b5 19. a4 bxa4 20. Ba3 Nd8 21. Bxc5 Qc6 22. Bc4 Bd7 23. f5 Nb7 24. Qa2 Qf6 25. Bb4 a5 26. Ba3 Rac8 27. Rac1 Rc7 28. Be2 Rec8 29. c4 Nd6 30. Bxd6 Qxd6 31. Rf4 Bc6 32. c5 Qd7 33. Bc4 Bb5 34. Rxe4 Bxc4 35. Qxc4 Rb8 36. c6 Qd6 37. Re5 Qa3 38. d5 Qd6 39. Re4 a3 40. Rf4 Rb4 41. Qc5 Qxc5 42. Rxc5 a2 43. Rxa5 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2019.06.22"]
[Round "1"]
[White "Rose, Daniel"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1693"]
[BlackElo "2078"]
[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 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 c5 6. e3 d5 7. Bd3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. a3 Nxd4 11. Qd3 Nxf3+ 12. Qxf3 Bxc3+ 13. Qxc3 Qc7 14. 0-0 Bd7 15. Be3 Ng4 16. g3 Nxe3 17. fxe3 b5 18. Bd3 Qxc3 19. bxc3 Rac8 20. Rac1 Rc7 21. Rc2 Rfc8 22. Rf4 g6 23. Rd4 Be8 24. Kf2 Rxc3 25. Rxc3 Rxc3 26. Rd8 Kg7 27. Ke2 Bc6 28. Rc8 Bf3+ 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.28"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Tscheuschner, Georg"]
[Result "1/2-1/2"]
[ECO "E55"]
[WhiteElo "2066"]
[BlackElo "2099"]
[PlyCount "103"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 b6 10. a3 Bxc3 11. bxc3 Qc7 12. Qd3 Nbd7 13. Bg5 Bb7 14. Ba2 Be4 15. Qe3 Bd5 16. Rfc1 b5 17. Ne5 Bxa2 18. Bxf6 Nxf6 19. Rxa2 Nd5 20. Qd3 f6 21. Nf3 Qc4 22. Qxc4 bxc4 23. Nd2 Rfc8 24. Rb2 Nf4 25. Rcc2 Nd5 26. g3 Rab8 27. Rxb8 Rxb8 28. Nxc4 Rc8 29. Na5 Nxc3 30. Kg2 Rc7 31. Kf3 Kf8 32. Nb3 Ke7 33. Na1 Kd6 34. Ke3 Nd5+ 35. Kd3 Rb7 36. Rc8 Rb1 37. Nc2 Rb3+ 38. Kd2 Rb7 39. Rd8+ Ke7 40. Rg8 Kd6 41. Rd8+ Rd7 42. Re8 Re7 43. Rd8+ Kc7 44. Rh8 h6 45. Ne3 Nb6 46. h4 Kc6 47. h5 Kb5 48. Kd3 Ka4 49. g4 Kxa3 50. f4 Nd5 51. Nxd5 exd5 52. g5 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.27"]
[Round "8"]
[White "Kapr, Klaus"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2027"]
[BlackElo "2066"]
[PlyCount "86"]
[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 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nh3 Nge7 7. Bg5 h6 8. Be3 b6 9. Nf4 Bb7 10. 0-0 0-0 11. Qd2 Kh7 12. g4 Rb8 13. Rad1 Ne5 14. h3 d5 15. exd5 exd5 16. d4 Nc4 17. Qc1 Nxe3 18. fxe3 c4 19. e4 dxe4 20. Nxe4 Nd5 21. Nxd5 Bxd5 22. c3 b5 23. Qd2 Rb6 24. a3 f5 25. Ng3 Bxg2 26. Qxg2 fxg4 27. hxg4 Rbf6 28. Rxf6 Rxf6 29. Rf1 Rxf1+ 30. Qxf1 Qg5 31. Qe2 Qf4 32. Kg2 Bf6 33. Qe6 Bh4 34. Ne4 h5 35. gxh5 gxh5 36. Qd7+ Kg6 37. Qc6+ Kg7 38. Qb7+ Kg6 39. Qa6+ Kh7 40. Qxa7+ Kg6 41. Qb6+ Kf5 42. Nd6+ Kg4 43. Qc6 Qf2+ 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.26"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Kostanyan, Hakob"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2066"]
[BlackElo "1827"]
[PlyCount "61"]
[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. c4 e6 3. Nc3 c6 4. e3 Bb4 5. Nf3 dxc4 6. Bxc4 Nf6 7. 0-0 0-0 8. Qc2 Nbd7 9. e4 b5 10. Bd3 e5 11. dxe5 Ng4 12. Be2 Ndxe5 13. Nxe5 Nxe5 14. a4 Bg4 15. Bxg4 Nxg4 16. h3 Nf6 17. e5 Nd5 18. axb5 Bxc3 19. bxc3 cxb5 20. Rd1 Qd7 21. Qb3 Rfd8 22. Bg5 f6 23. exf6 Qf7 24. fxg7 Rd6 25. Rd4 h6 26. Bh4 Rc8 27. Rad1 Rc5 28. Bg3 Rd7 29. R1d3 h5 30. Qd1 a5 31. Be5 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.25"]
[Round "6"]
[White "Krieger, Fabian"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1921"]
[BlackElo "2066"]
[PlyCount "59"]
[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. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d5 11. cxd5 Qxd5 12. Ne3 Qb7 13. Qc2 Rd8 14. Rd1 Bf6 15. Ng4 Be7 16. Ne5 c5 17. Be3 Na6 18. dxc5 Bxc5 19. Bxc5 bxc5 20. Nc4 h6 21. b3 Nb4 22. Qb2 Rd5 23. Ne3 Rdd8 24. Rac1 Rxd1+ 25. Rxd1 Qc7 26. Qd2 Rc8 27. Nc4 Nc6 28. Qd7 Nd4 29. Qxc7 Rxc7 30. e3 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.24"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Neuenbaumer, Jan Holger"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2066"]
[BlackElo "1912"]
[PlyCount "61"]
[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. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 cxd4 7. exd4 Be7 8. Qe2 0-0 9. Nc3 Nbd7 10. Rd1 Nb6 11. Bb3 Nbd5 12. Ne5 Bd7 13. Bg5 Rc8 14. Rac1 Bc6 15. Nxc6 Rxc6 16. Nxd5 Nxd5 17. Rxc6 bxc6 18. Bxe7 Nxe7 19. Qc4 Qd7 20. Ba4 Rd8 21. g3 g6 22. Qc5 Rb8 23. b4 Rb6 24. Rc1 Qb7 25. Rc4 Ra6 26. Bb3 Nd5 27. Qd6 Rb6 28. b5 Ne7 29. bxc6 Nxc6 30. d5 Ne7 31. Qd8+ 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.23"]
[Round "4"]
[White "Kievelitz, Bernd"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1864"]
[BlackElo "2066"]
[PlyCount "111"]
[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. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. Nc3 0-0 7. Qc2 c5 8. e4 Nc6 9. d3 d6 10. a3 Rc8 11. h3 Nd7 12. Be3 Nde5 13. Nd2 Nd4 14. Bxd4 cxd4 15. Ne2 Nc6 16. b4 a6 17. Rac1 e5 18. Qb3 Nb8 19. f4 Nd7 20. Kh2 a5 21. Qd1 axb4 22. axb4 Ra8 23. Ra1 Qc7 24. Qb3 Rxa1 25. Rxa1 Ra8 26. Rxa8+ Bxa8 27. Qb2 Qa7 28. Bf3 Qa4 29. Qb3 Qxb3 30. Nxb3 Bc6 31. b5 Bb7 32. Bg4 Nf6 33. Bf3 Kf8 34. g4 h6 35. Kg3 Nd7 36. f5 Bg5 37. h4 Be3 38. Bg2 Ke7 39. Bf3 Bc8 40. Kg2 g6 41. Ng3 Nf8 42. h5 Kf6 43. Be2 Bf4 44. hxg6 fxg6 45. fxg6 Bxg3 46. g7 Kxg7 47. Kxg3 Ng6 48. Bd1 Nf4 49. Nc1 Kg6 50. Bf3 Kg5 51. Bd1 Bd7 52. Bf3 Ne6 53. Na2 Nf4 54. Nb4 Be8 55. Bd1 Bd7 56. Bf3 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.22"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Tham, Nam"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2066"]
[BlackElo "1915"]
[PlyCount "44"]
[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. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. g3 Nf6 7. Bg2 0-0 8. 0-0 Nbd7 9. Qc2 Qc7 10. Na2 Bd6 11. Qxc4 e5 12. Qc2 Re8 13. Nc3 a5 14. Rd1 exd4 15. Nxd4 Ne5 16. Nf5 Bxf5 17. Qxf5 Rad8 18. Bg5 Ned7 19. Qc2 h6 20. Bxf6 Nxf6 21. Rd2 Qb6 22. Rad1 Bb4 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.21"]
[Round "2"]
[White "Ho, Ngoc Hai Dang"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1703"]
[BlackElo "2066"]
[PlyCount "76"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 b5 7. Be2 Bb7 8. f3 e6 9. Be3 Be7 10. Qd2 Nbd7 11. 0-0 0-0 12. Rad1 d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15. c4 bxc4 16. Bxc4 Bxc4 17. Nc6 Qe8 18. Qxd7 Bf6 19. Rf2 Rc8 20. Qxe8 Rfxe8 21. Nd4 Bd5 22. Rfd2 h5 23. b4 Rc3 24. Rd3 Rec8 25. a4 Rxd3 26. Rxd3 Rc4 27. Nb3 Rxb4 28. Nc5 a5 29. Rd1 Be7 30. Nd7 Rxa4 31. Nb6 Ra3 32. Nxd5 exd5 33. Ba7 Bf6 34. Rxd5 h4 35. Bd4 Rd3 36. Bxf6 Rxd5 37. Bxh4 a4 38. Be7 Rd3 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2019.04.20"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Prix, Siegfried"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2066"]
[BlackElo "1757"]
[PlyCount "87"]
[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. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Ne4 10. Nxe4 Bxe4 11. Rd1 Nd7 12. Bd2 Qe7 13. Bb3 Nf6 14. Ne5 Rfd8 15. f3 Bg6 16. Rac1 Rac8 17. Be1 Nd5 18. Bf2 Qg5 19. g3 Bd6 20. h4 Qe7 21. e4 Nb6 22. f4 Bxe5 23. fxe5 Qb4 24. Rd3 h5 25. Be1 Qe7 26. Rdd1 Nd7 27. Bc3 f6 28. exf6 Nxf6 29. Bc2 Ng4 30. b4 Rf8 31. Rf1 Qc7 32. Kg2 a6 33. Rce1 Qd6 34. Kh3 b5 35. e5 Rxf1 36. Rxf1 Qe7 37. Bxg6 Rf8 38. Rxf8+ Qxf8 39. Bxh5 Nh6 40. a5 Qf5+ 41. Kg2 g6 42. Bf3 Kg7 43. Qe4 Qxe4 44. Bxe4 1-0

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.02.07"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Baranowsky, Peter"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2095"]
[BlackElo "1897"]
[PlyCount "101"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 e5 7. 0-0 exd4 8. Nxd4 Nbd7 9. Nc3 a5 10. h3 Nc5 11. Re1 Re8 12. Qc2 Bd7 13. Be3 Qe7 14. Rad1 Rad8 15. Bg5 Qf8 16. Bxf6 Bxf6 17. Nd5 Qg7 18. Nxf6+ Qxf6 19. Ne2 Re7 20. Nc3 Bc6 21. b3 Rde8 22. a3 b6 23. b4 axb4 24. axb4 Nd7 25. f4 Qg7 26. Qd2 f5 27. exf5 Rxe1+ 28. Rxe1 Rxe1+ 29. Qxe1 Bxg2 30. Kxg2 gxf5 31. Nd5 Qf7 32. Nxc7 Qxc4 33. Qe6+ Qxe6 34. Nxe6 Kf7 35. Nd4 Kf6 36. g4 fxg4 37. hxg4 Nb8 38. Kf3 Na6 39. b5 Nc5 40. g5+ Kg6 41. Kg4 Ne4 42. f5+ Kf7 43. Kh5 d5 44. Kh6 Kg8 45. g6 hxg6 46. fxg6 Nd6 47. Nc6 Nc8 48. g7 d4 49. Nxd4 Nd6 50. Kg6 Nxb5 51. Nf5 1-0

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.02.06"]
[Round "8"]
[White "Hohn, August"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1800"]
[BlackElo "2095"]
[PlyCount "24"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 Bb4 6. Bg2 0-0 7. 0-0 Bxc3 8. bxc3 d6 9. Rb1 Qe8 10. Ng5 h6 11. Nh3 f4 12. e3 f3 0-1

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.02.05"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Krueger, Ekkehard"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "2095"]
[BlackElo "1843"]
[PlyCount "77"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 Qd6 6. 0-0 e6 7. b3 Be7 8. c4 0-0 9. Nc3 Na6 10. e4 dxe4 11. Nxe4 Qd8 12. Rd1 Nb4 13. Qe2 Nc6 14. Bb2 Nxe4 15. Qxe4 Bf6 16. Ba3 Re8 17. Rd2 Qc8 18. Rad1 a5 19. h3 Ne7 20. Bxe7 Rxe7 21. Ne5 g6 22. Rd3 c6 23. h4 Qc7 24. h5 Rd8 25. Ng4 Bg7 26. Qf3 f5 27. Ne3 e5 28. dxe5 Rxd3 29. Rxd3 Qxe5 30. hxg6 hxg6 31. Rd8+ Re8 32. Rxe8+ Qxe8 33. Qf4 Be5 34. Qh6 Kf7 35. g3 Bg7 36. Qf4 Be5 37. Qh6 Qh8 38. Qxh8 Bxh8 39. Kg2 1/2-1/2

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.02.04"]
[Round "6"]
[White "Gruner, Klaus Dieter"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1827"]
[BlackElo "2095"]
[PlyCount "93"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. 0-0 Be6 10. Bf3 Nbd7 11. a4 Rc8 12. a5 Qc7 13. h3 h6 14. Qd2 Rfe8 15. Rfd1 Bf8 16. Be2 Rcd8 17. f4 Nc5 18. Nxc5 dxc5 19. Qc1 Rxd1+ 20. Bxd1 exf4 21. Bxf4 Bd6 22. Bxd6 Qxd6 23. Bf3 Rd8 24. Qe1 Qf4 25. Rd1 Rxd1 26. Qxd1 Qc7 27. e5 Nd7 28. Qd6 Qxa5 29. Bxb7 Qa1+ 30. Nd1 Nxe5 31. Bxa6 Ng6 32. Be2 c4 33. Kh2 Qc1 34. c3 Qc2 35. Bf3 Kh7 36. Qd4 Qc1 37. Ne3 Qxb2 38. Nxc4 Qb8+ 39. Kh1 Qg3 40. Nd2 Bf5 41. c4 Nf8 42. Be4 Bxe4 43. Qxe4+ Kg8 44. Nf3 Ne6 45. Qa8+ Kh7 46. Qe4+ Kg8 47. Qa8+ 1/2-1/2

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.02.02"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Sebastian, Martin"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2095"]
[BlackElo "1957"]
[PlyCount "112"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nc6 8. Nge2 h6 9. Bh4 Be6 10. 0-0 Nb4 11. Bb1 c6 12. a3 Na6 13. Nf4 g5 14. Nxe6 fxe6 15. Bg3 Rf7 16. Qd3 Rg7 17. Be5 Bd6 18. f4 Bxe5 19. fxe5 Nd7 20. b4 Nc7 21. Ne2 a5 22. Ng3 Qe8 23. bxa5 c5 24. Ra2 c4 25. Qc3 h5 26. Raf2 h4 27. Ne2 Qe7 28. Bc2 b5 29. Qb4 Qxb4 30. axb4 Na6 31. Rb1 Rf7 32. Nc3 Rxf2 33. Kxf2 Nc7 34. e4 Nxe5 35. dxe5 d4 36. Nd1 Na6 37. Ke2 g4 38. Nf2 g3 39. hxg3 hxg3 40. Nh1 Kf7 41. Nxg3 Rg8 42. Kf2 Rg5 43. Bd1 d3 44. Bf3 c3 45. Ke3 c2 46. Ra1 Nxb4 47. Kd2 Rxg3 48. a6 Rg8 49. a7 Ra8 50. Bh5+ Ke7 51. Ra5 Nc6 52. Rxb5 Rxa7 53. Rc5 Nxe5 54. Rxe5 Rc7 55. Kc1 d2+ 56. Kxd2 c1Q+ 0-1

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.02.01"]
[Round "4"]
[White "Koerner, Helmut"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1855"]
[BlackElo "2095"]
[PlyCount "24"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nc3 c6 5. a3 Be7 6. e3 d5 7. Nf3 Nbd7 8. Be2 Nxe5 9. Nxe5 Bd6 10. f4 Qe7 11. Nf3 Bxa3 12. 0-0 Bb2 0-1

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.01.31"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Trebbin, Wolfhard"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2095"]
[BlackElo "1919"]
[PlyCount "134"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nc6 8. Nge2 Be6 9. 0-0 Nb4 10. Bb1 h6 11. Bh4 Qd7 12. a3 Nc6 13. b4 Rad8 14. Na4 g5 15. Bg3 Bd6 16. Nc5 Qc8 17. Qc2 Ne7 18. Nxe6 Qxe6 19. Bxd6 Qxd6 20. Ng3 Qc6 21. Qd3 Qc4 22. Nh5 Qxd3 23. Nxf6+ Kg7 24. Nh5+ Kg6 25. Bxd3+ Kxh5 26. Rac1 c6 27. h3 f5 28. g4+ Kh4 29. Kg2 Rf6 30. b5 Rdd6 31. bxc6 bxc6 32. gxf5 Nxf5 33. Rc5 Kh5 34. Bxf5 Rxf5 35. Rfc1 Rdf6 36. R1c2 Kh4 37. Ra5 Rf3 38. Ra6 h5 39. Rxa7 Rxh3 40. Rc7 Rhf3 41. R7xc6 Rxf2+ 42. Rxf2 Rxc6 43. a4 Rc3 44. Ra2 Rxe3 45. a5 Re7 46. a6 Ra7 47. Ra1 Kg4 48. Ra5 Kf4 49. Kh3 Ke4 50. Ra4 Kd3 51. Kg3 Kc3 52. Kh3 Kb3 53. Ra1 Kc4 54. Rg1 g4+ 55. Kh4 Rxa6 56. Kxh5 Kxd4 57. Rd1+ Ke4 58. Re1+ Kf3 59. Rf1+ Ke2 60. Rg1 Ra4 61. Rg2+ Kf3 62. Rb2 g3 63. Rb3+ Kf2 64. Rb2+ Kg1 65. Kg5 g2 66. Kf5 Kh1 67. Rb8 g1Q 0-1

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.01.30"]
[Round "2"]
[White "Klemp, Joachim"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1862"]
[BlackElo "2095"]
[PlyCount "128"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d6 6. Nf3 Nbd7 7. Qc2 e5 8. e4 0-0 9. Bg5 h6 10. Bh4 Qe8 11. dxe5 dxe5 12. Be2 Qe6 13. Bg3 b6 14. Nd2 Bb7 15. 0-0 Nc5 16. f3 Rad8 17. Bf2 Qe7 18. Rfd1 Ne6 19. Be3 Nd7 20. a4 a5 21. Nb3 Ndc5 22. Nxc5 Nxc5 23. Bf1 Rxd1 24. Rxd1 Bc6 25. Ra1 Bd7 26. g4 Bc6 27. Be2 Rd8 28. Kg2 Qe8 29. Bxc5 bxc5 30. Rd1 Rd6 31. Rxd6 cxd6 32. Bd1 Qd7 33. Qb3 Qc7 34. Qb2 g6 35. Qd2 Kg7 36. Bc2 Qd7 37. Qd1 Qe6 38. Qd3 Kf6 39. h4 Kg7 40. Kg3 Qe7 41. Qd2 Qe6 42. Qd3 Bb7 43. Bb3 Bc8 44. Qf1 f5 45. gxf5 gxf5 46. Bc2 f4+ 47. Kf2 Qf6 48. Qg1+ Kf8 49. Qh1 Qf7 50. Bd3 Bd7 51. Qb1 Qf6 52. Qh1 Bxa4 53. Qh3 Ke7 54. Qg4 Bd7 55. Qh5 a4 56. Bc2 a3 57. Bb3 Kf8 58. Ke2 Kg7 59. Kd3 Qg6 60. Qxg6+ Kxg6 61. Ke2 Kh5 62. Kf2 Kxh4 63. Kg2 Ba4 64. Ba2 Bd1 0-1

[Event "Berlin-ch Seniors op 35th"]
[Site "Berlin"]
[Date "2019.01.29"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Brandenburg, Klaus"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2095"]
[BlackElo "1760"]
[PlyCount "57"]
[EventDate "2019.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 b6 8. Nge2 c5 9. 0-0 Bb7 10. Rc1 Nc6 11. dxc5 bxc5 12. Bxf6 Bxf6 13. Nxd5 Ne5 14. Rxc5 Nxd3 15. Qxd3 Bxb2 16. Rb1 Bxd5 17. Rxd5 Qf6 18. Rf5 Rfd8 19. Nd4 Bxd4 20. Rxf6 Bxf6 21. Qa6 h6 22. g3 Rac8 23. Re1 Rc7 24. Re2 Rd1+ 25. Kg2 Bd8 26. Rb2 Kh7 27. Rb7 Rc2 28. Rxf7 Bf6 29. Qxf6 1-0

[Event "Berlin Lichtenrade op 14th"]
[Site "Berlin"]
[Date "2018.11.02"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Woerz, Markus"]
[Result "0-1"]
[ECO "E59"]
[WhiteElo "2116"]
[BlackElo "1996"]
[PlyCount "92"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Ba2 e5 12. h3 Bf5 13. Nh4 Bg6 14. Nxg6 hxg6 15. d5 Rad8 16. e4 Ne7 17. Qe2 Nh5 18. g3 Nc8 19. c4 Nd6 20. Bb2 Rde8 21. Bb1 Qe7 22. Kh2 f6 23. Bc2 Qf7 24. Bd3 g5 25. Bc3 g6 26. a4 Kg7 27. a5 Rh8 28. Kg2 Qe7 29. Qe3 Qd7 30. Rh1 Rc8 31. Be2 Rc7 32. Qd3 Kf8 33. Raf1 Ke8 34. Bxh5 gxh5 35. f4 gxf4 36. gxf4 Rg8+ 37. Kh2 Qh7 38. fxe5 Rcg7 39. Rf2 Qh6 40. Bd2 Qg6 41. Re1 fxe5 42. Bc3 Rf7 43. Rfe2 Nxc4 44. Bd2 Nd6 45. h4 Qg4 46. Bg5 Rf3 0-1

[Event "Berlin Lichtenrade op 14th"]
[Site "Berlin"]
[Date "2018.11.01"]
[Round "6"]
[White "Schumann, Rabea"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1903"]
[BlackElo "2116"]
[PlyCount "102"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 f5 5. e3 Nf6 6. Nge2 0-0 7. 0-0 d6 8. d3 c6 9. Rb1 Be6 10. f4 Nbd7 11. b4 Qc7 12. b5 Rfe8 13. bxc6 bxc6 14. Qa4 Rac8 15. Ba3 Ng4 16. Nd1 Nb6 17. Qa6 e4 18. c5 dxc5 19. Bxc5 exd3 20. Bxb6 axb6 21. Nd4 Bxd4 22. exd4 b5 23. Rc1 Bc4 24. Rxc4 bxc4 25. Qxc4+ Kg7 26. Qxd3 Qd6 27. h3 Nf6 28. Nc3 Re7 29. a4 Qe6 30. Kh2 Qe3 31. Qa6 Rd8 32. Qxc6 Rxd4 33. a5 Re6 34. Qb7+ Rd7 35. Qc8 Ree7 36. Nb5 Qd3 37. Qc6 Ne4 38. Rf3 Qd5 39. Rc3 Qxc6 40. Rxc6 Rb7 41. Nd4 Rb4 42. Ne6+ Kf7 43. Nc7 Rb7 44. Nd5 Re6 45. Rxe6 Kxe6 46. Nc3 Ra7 47. Bxe4 fxe4 48. Nxe4 Rxa5 49. Ng5+ Kf5 50. Nxh7 Ra2+ 51. Kg1 Ra1+ 1/2-1/2

[Event "Berlin Lichtenrade op 14th"]
[Site "Berlin"]
[Date "2018.10.31"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Moewisch, Dave"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2116"]
[BlackElo "1875"]
[PlyCount "61"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Rc1 b6 12. Bd3 Bb7 13. 0-0 Nc6 14. Qe3 Rc8 15. Rfd1 Qe7 16. Bf1 Rfd8 17. a3 Na5 18. Ne5 Qd6 19. Nc4 Nxc4 20. Bxc4 h6 21. h3 a6 22. d5 b5 23. Ba2 e5 24. Qb3 Rxc1 25. Rxc1 Rc8 26. Rxc8+ Bxc8 27. Qb4 Qxb4 28. axb4 g5 29. Kf1 Kf8 30. Ke2 Ke7 31. Bb1 1/2-1/2

[Event "Berlin Lichtenrade op 14th"]
[Site "Berlin"]
[Date "2018.10.30"]
[Round "4"]
[White "Kurayan, Ruslan"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2385"]
[BlackElo "2116"]
[PlyCount "53"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nbd7 9. f4 b5 10. 0-0-0 Rc8 11. Kb1 Be7 12. h3 h5 13. Be2 Qc7 14. g4 b4 15. Nd5 Bxd5 16. exd5 Nxd5 17. fxe5 Nxe3 18. Qxe3 Nxe5 19. Nd4 hxg4 20. Bxa6 Rb8 21. Bb5+ Kf8 22. hxg4 Rxh1 23. Rxh1 Ng6 24. Bd3 Qb7 25. Be4 Qd7 26. Bxg6 fxg6 27. Rh8+ 1-0

[Event "Berlin Lichtenrade op 14th"]
[Site "Berlin"]
[Date "2018.10.29"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Tham, Minh"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2116"]
[BlackElo "1931"]
[PlyCount "135"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 c6 4. Bd3 f5 5. 0-0 Nf6 6. c4 Bd6 7. b3 Qe7 8. Bb2 0-0 9. Qc1 b6 10. Ba3 c5 11. dxc5 bxc5 12. cxd5 exd5 13. Nc3 Be6 14. Nb5 Nbd7 15. Nxd6 Qxd6 16. Rd1 Rac8 17. Qc2 Ne4 18. Rac1 Rfd8 19. Bxe4 fxe4 20. Qxe4 Qxh2+ 21. Nxh2 dxe4 22. Rd6 Kf7 23. Nf1 Ke7 24. Rcd1 Ne5 25. Rxd8 Rxd8 26. Bxc5+ Ke8 27. Rxd8+ Kxd8 28. Bxa7 Nd3 29. Nd2 Nc1 30. Nxe4 Nxa2 31. Bb6+ Ke8 32. Nc5 Bf7 33. Bc7 Ke7 34. Be5 g6 35. g4 Nc1 36. b4 Bc4 37. Ne4 Nd3 38. Bd6+ Ke6 39. Bf8 Kf7 40. Bc5 Nxc5 41. bxc5 Bd5 42. Ng5+ Kg7 43. e4 Bc6 44. f3 Bd7 45. e5 h6 46. Ne4 g5 47. Nd6 Kf8 48. Kf2 Ke7 49. Nf5+ Ke6 50. Nxh6 Kxe5 51. Nf7+ Kf6 52. Nd6 Ke5 53. Ke3 Kd5 54. Ne4 Bc6 55. Nxg5 Kxc5 56. f4 Kd5 57. f5 Ke5 58. Nf3+ Kf6 59. Kf4 Ba4 60. g5+ Kg7 61. g6 Kf6 62. Ne5 Bc2 63. Ng4+ Kg7 64. Kg5 Bb1 65. f6+ Kg8 66. Nh6+ Kh8 67. g7+ Kh7 68. g8Q# 1-0

[Event "Berlin Lichtenrade op 14th"]
[Site "Berlin"]
[Date "2018.10.28"]
[Round "2"]
[White "Thesing, Ansgar"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1846"]
[BlackElo "2116"]
[PlyCount "112"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nd6 7. 0-0 Be7 8. Bf4 0-0 9. c3 Re8 10. Qc2 g6 11. Nbd2 Nd7 12. Rfe1 Nf8 13. h3 Ne6 14. Bh2 Ng7 15. Re2 Bf8 16. Rxe8 Ngxe8 17. Re1 Bf5 18. Bxf5 Nxf5 19. Qb3 b6 20. Ne5 Ne7 21. Qa4 a6 22. Qd1 f6 23. Ng4 Kg7 24. Bf4 Ng8 25. Qf3 c6 26. Re6 Qd7 27. Re3 h5 28. Nh2 Bd6 29. Bxd6 Nxd6 30. Qe2 Re8 31. Nhf3 Rxe3 32. Qxe3 Qe7 33. Qxe7+ Nxe7 34. g4 hxg4 35. hxg4 g5 36. Ne1 Ng6 37. Nd3 a5 38. f3 Nc4 39. Nxc4 dxc4 40. Nc1 Nf4 41. Kf2 a4 42. Ke3 Kf7 43. a3 Ke6 44. Kd2 Kd5 45. Ke3 Ng2+ 46. Kf2 Nf4 47. Ke3 Ng2+ 48. Kf2 Nf4 49. Ke3 b5 50. Kd2 c5 51. dxc5 Kxc5 52. Ke3 Kd5 53. Kd2 Ke5 54. Ke3 Nd5+ 55. Kf2 Nf4 56. Ke3 Nd5+ 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.08"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Gelman, Josef"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2127"]
[BlackElo "1989"]
[PlyCount "97"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 h6 8. Bh4 Nbd7 9. Nge2 c5 10. 0-0 b6 11. Rc1 Bb7 12. f3 Re8 13. Re1 Bf8 14. Bf2 a6 15. a4 Rc8 16. Ng3 cxd4 17. exd4 g6 18. Rxe8 Qxe8 19. Qf1 Nb8 20. Nge2 Bd6 21. Ng3 Rc7 22. Re1 Re7 23. Rxe7 Qxe7 24. Qc1 Kg7 25. Be3 Ng8 26. Nge2 Nd7 27. Bf4 Bxf4 28. Qxf4 Ngf6 29. Kf2 Ne8 30. g3 Qd6 31. Qe3 Nef6 32. Bb1 Bc6 33. Qd3 Nb8 34. Nf4 Be8 35. Ba2 Bc6 36. Bb1 Be8 37. Bc2 Nc6 38. Bb3 Qb4 39. Ncxd5 Qxd4+ 40. Qxd4 Nxd4 41. Bd1 b5 42. Nc7 bxa4 43. Nxa6 g5 44. Nd3 Nd5 45. Nac5 Nb6 46. Ke3 Nf5+ 47. Kd2 Nd6 48. Kc3 Nb5+ 49. Kd2 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.07"]
[Round "8"]
[White "Bui, Bao Anh Le"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1883"]
[BlackElo "2127"]
[PlyCount "93"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. 0-0-0 Be7 11. Kb1 b5 12. Nd5 Bxd5 13. exd5 Nb6 14. Bxb6 Qxb6 15. Na5 Rc8 16. Nc6 Nxd5 17. Nxe7 Nxe7 18. Qxd6 Qxd6 19. Rxd6 Nc6 20. Rd1 Ke7 21. Bd3 g6 22. a4 Rb8 23. axb5 axb5 24. Be4 Rhc8 25. Rhe1 Ke6 26. f4 Ne7 27. Bd5+ Nxd5 28. Rxe5+ Kf6 29. Rdxd5 Rc4 30. Rd6+ Kg7 31. f5 Rf4 32. fxg6 fxg6 33. Re7+ Kh6 34. Ree6 Rg4 35. g3 h4 36. gxh4 b4 37. h3 Rg2 38. Rb6 Ra8 39. b3 Rg1+ 40. Kb2 Raa1 41. Rxb4 Rab1+ 42. Kc3 Rg3+ 43. Kd2 Rh1 44. Rg4 Rxg4 45. hxg4 Rxh4 46. Re4 Kg5 47. b4 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.06"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Krefenstein, Sergej"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2127"]
[BlackElo "2119"]
[PlyCount "83"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 c5 7. 0-0 Nc6 8. d5 Na5 9. Nd2 a6 10. Rb1 Nd7 11. b3 b5 12. Bb2 Bxb2 13. Rxb2 Rb8 14. Qc2 bxc4 15. bxc4 Rxb2 16. Qxb2 Nb6 17. Qc3 Na4 18. Qc2 Bd7 19. Nf4 Qc7 20. Nd3 Nb6 21. f4 f6 22. f5 g5 23. h4 h6 24. Qc3 Na4 25. Qc2 Kg7 26. Bf3 Be8 27. Kf2 Nb7 28. Rh1 Qa5 29. Nb1 Rh8 30. Ke3 Nb6 31. Nd2 Qa4 32. Qxa4 Nxa4 33. Rb1 Na5 34. Nf2 Bd7 35. Kd3 Rc8 36. Bd1 Rc7 37. Bxa4 Bxa4 38. Rb6 Ra7 39. Kc3 Nb7 40. Nb3 Be8 41. Nd2 Ba4 42. Nb3 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.05"]
[Round "6"]
[White "Thaer, Abdulkadhim Ismaeel"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1952"]
[BlackElo "2127"]
[PlyCount "56"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. b3 0-0 7. Bb2 c5 8. Nc3 d5 9. d4 dxc4 10. bxc4 cxd4 11. Qxd4 Qxd4 12. Nxd4 Bxg2 13. Kxg2 Rc8 14. Rac1 Nc6 15. Nxc6 Rxc6 16. Nb5 a6 17. Na3 Rac8 18. Rfd1 h5 19. Rb1 Kf8 20. Rd3 Rd8 21. h3 Ke8 22. Kf3 g6 23. Bd4 Nd7 24. Rbd1 e5 25. Be3 e4+ 26. Kxe4 Re6+ 27. Kf4 g5+ 28. Kf3 Ne5+ 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.04"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Krueger, Robin Kevin"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2127"]
[BlackElo "1942"]
[PlyCount "191"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Re8 12. Rc1 Bg4 13. Nc5 Qb6 14. Nb3 Qa6 15. a3 Rad8 16. Re1 Ne4 17. h3 Bf5 18. Nbd4 Nxd4 19. Bxd4 Bf6 20. e3 h6 21. Qb3 Re7 22. Qd1 Ree8 23. Qe2 Qa5 24. Red1 Rc8 25. Bxf6 Nxf6 26. Nd4 Be4 27. Qb5 Qxb5 28. Nxb5 Bxg2 29. Kxg2 a6 30. Nd6 Rxc1 31. Rxc1 Re7 32. Rc8+ Kh7 33. Nf5 Rd7 34. Kf3 Ne4 35. Ke2 g6 36. Nd4 Kg7 37. g4 Nd6 38. Rc2 Nc4 39. a4 Nd6 40. f3 Re7 41. b3 Kf6 42. Rc5 Ke5 43. f4+ Kf6 44. Rxd5 Ne4 45. Rd8 Nc3+ 46. Kf3 Ne4 47. h4 Nd2+ 48. Ke2 Ne4 49. g5+ Kg7 50. Rc8 Ng3+ 51. Kf2 Ne4+ 52. Kf3 Nd2+ 53. Ke2 Ne4 54. Rc2 Ng3+ 55. Kf2 Ne4+ 56. Kf3 Nd6 57. a5 Ne4 58. b4 Nd6 59. Ke2 Ne4 60. Kd3 Nd6 61. Rb2 Rc7 62. Rc2 Re7 63. Rh2 Rd7 64. Ke2 Rc7 65. Kf3 Rc4 66. Rb2 h5 67. b5 axb5 68. Nxb5 Nf5 69. Nd4 Nxd4+ 70. exd4 Rxd4 71. Rxb7 Ra4 72. Rb5 Kf8 73. Rb8+ Ke7 74. Ra8 Ke6 75. Ra6+ Ke7 76. Ke3 Kf8 77. Ra8+ Ke7 78. Ra6 Kf8 79. Ra7 Ke8 80. a6 Kf8 81. Ra8+ Kg7 82. Kf3 Kh7 83. Ke3 Kg7 84. a7 Kh7 85. Kd3 Kg7 86. Kc3 Kh7 87. Kb3 Ra5 88. Kb4 Ra6 89. Kb5 Ra1 90. Kb6 Rb1+ 91. Ka6 Ra1+ 92. Kb7 Rb1+ 93. Kc7 Ra1 94. Kd6 Kg7 95. Ke5 Ra5+ 96. Ke4 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.03"]
[Round "4"]
[White "Ahmadinia, Ebrahim"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2415"]
[BlackElo "2127"]
[PlyCount "75"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 g6 8. b3 Nf6 9. Nc3 Bg7 10. Bb2 0-0 11. 0-0 a6 12. Nxc6 bxc6 13. Na4 Qe6 14. Re1 Nd7 15. Bxg7 Kxg7 16. Qd4+ Qe5 17. Qe3 Nc5 18. f4 Qh5 19. Nc3 Ne6 20. Rad1 Qg4 21. Rf1 h5 22. f5 Qg5 23. Qf2 Nd8 24. c5 Qf6 25. Qe3 g5 26. e5 dxe5 27. Ne4 Qh6 28. f6+ exf6 29. Rxf6 Qxf6 30. Nxf6 Kxf6 31. Rf1+ Kg6 32. Qxe5 f6 33. Qe7 Rf7 34. Qe8 Kg7 35. Rd1 Rf8 36. Rd7+ Nf7 37. Rxf7+ Rxf7 38. Qxa8 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.02"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Silz, Elisa"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2127"]
[BlackElo "1988"]
[PlyCount "95"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. Nd2 cxd4 7. Nb3 Qb6 8. Qxd4 Qxd4 9. cxd4 d5 10. e3 e6 11. Bd3 Nc6 12. Rc1 Be7 13. Ne2 0-0 14. g4 Bd7 15. a3 Rfc8 16. Kf2 a6 17. Nc5 Bxc5 18. Rxc5 b6 19. Rc2 Na5 20. Rhc1 b5 21. Rxc8+ Rxc8 22. Rxc8+ Bxc8 23. g5 Nd7 24. e4 Nc4 25. Bc1 dxe4 26. fxe4 Ndb6 27. b3 Na5 28. Bc2 Bb7 29. Bf4 Nc6 30. Bc7 Nd7 31. Bd6 f6 32. gxf6 Nxf6 33. h3 Nd8 34. Ke3 Nf7 35. Be7 Ng5 36. Bxf6 gxf6 37. h4 Nf7 38. Nf4 Nd8 39. e5 fxe5 40. dxe5 Nc6 41. Be4 Kf7 42. Bxc6 Bxc6 43. Kd4 Ke7 44. Kc5 Bb7 45. Kb6 Bc8 46. Kc7 Bd7 47. b4 Be8 48. Kb6 1-0

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.07.01"]
[Round "2"]
[White "Bruening, Wolfgang"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1850"]
[BlackElo "2127"]
[PlyCount "94"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. Bb2 Nb4 7. Be2 Be7 8. 0-0 0-0 9. Ne5 Nd7 10. f4 f6 11. Nf3 b6 12. c4 Re8 13. Nc3 dxc4 14. Bxc4 Nf8 15. Qe2 Nd5 16. Rfd1 Nxc3 17. Bxc3 Qc7 18. Rac1 Qb8 19. d5 Kh8 20. dxe6 Bxe6 21. Bxe6 Nxe6 22. Rd7 Nf8 23. Rd5 Qc7 24. g3 Rad8 25. e4 Rxd5 26. exd5 Rd8 27. Rd1 Bd6 28. h4 Qf7 29. Kf2 Re8 30. Qd3 Qh5 31. Re1 Rxe1 32. Kxe1 Ng6 33. Nd2 Ne7 34. Ne4 Qxd5 35. Qxd5 Nxd5 36. Bxf6 Bxf4 37. Bxg7+ Kxg7 38. gxf4 Nxf4 39. Nd6 Ng2+ 40. Kf2 Nxh4 41. Nc8 Nf5 42. Nxa7 Nd6 43. Nc6 Kf6 44. a4 Nb7 45. b4 cxb4 46. Nxb4 Ke6 47. Nd3 Nc5 0-1

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2018.06.30"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Hecht, Jonas Christian"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2127"]
[BlackElo "1721"]
[PlyCount "109"]
[EventDate "2018.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Bg6 9. Qe2 Bb4 10. Rd1 0-0 11. Na2 Bd6 12. b4 Rc8 13. Bb2 Nb6 14. Bb3 Nbd5 15. b5 cxb5 16. axb5 Qb6 17. Ne5 Bh5 18. f3 Rfd8 19. Re1 a6 20. Nc4 Qxb5 21. Nxd6 Qxe2 22. Rxe2 Rxd6 23. e4 Nf4 24. Re3 Rb6 25. g3 Nh3+ 26. Kg2 Ng5 27. g4 Bg6 28. Rc1 Rxc1 29. Nxc1 h5 30. h4 Ngh7 31. g5 Nd7 32. Rc3 f6 33. Rc8+ Ndf8 34. gxf6 gxf6 35. Ba3 Bf7 36. Bc5 Rb5 37. d5 exd5 38. Bxd5 Bxd5 39. exd5 Rb2+ 40. Kg3 Kf7 41. Nd3 Rb1 42. Rc7+ Kg8 43. Nf4 b6 44. Be7 b5 45. d6 Rd1 46. Rb7 Kh8 47. Rb8 Kg7 48. Nxh5+ Kf7 49. Nxf6 Rd4 50. Nxh7 Nxh7 51. Rb6 b4 52. Rxa6 b3 53. Rb6 Rd3 54. Kg4 Kg8 55. h5 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.08"]
[Round "9"]
[White "Slepuschkin, Shenis"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2170"]
[BlackElo "2137"]
[PlyCount "93"]
[EventDate "2018.03.31"]
[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 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 7. d3 Qd7 8. h4 h5 9. Nd5 Nh6 10. Rb1 Nd8 11. b4 c6 12. Ndc3 0-0 13. b5 Re8 14. a4 Qc7 15. Qb3 Ng4 16. 0-0 f5 17. Qa3 Bf8 18. Qa2 Bf7 19. a5 a6 20. bxc6 bxc6 21. Rb6 Nf6 22. d4 Nd7 23. Rb2 Rb8 24. Rxb8 Qxb8 25. Bd2 Qc7 26. Rb1 Nb7 27. Qa4 Rc8 28. Na2 Nd8 29. Bf1 Rb8 30. Rxb8 Qxb8 31. Nb4 Bxc4 32. Nxc6 Bb3 33. Nxb8 Bxa4 34. Nxa6 Nc6 35. Nc3 Bb3 36. Bb5 exd4 37. Bxc6 dxc3 38. Bxc3 Ne5 39. Bxe5 dxe5 40. Nc7 Bc5 41. a6 Bc4 42. Bd5+ Bxd5 43. Nxd5 Kf7 44. Nc7 Ke7 45. Nb5 Kd7 46. a7 Bxa7 47. Nxa7 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.07"]
[Round "8"]
[White "Federau, Juergen"]
[Black "Welz, Peter"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2137"]
[BlackElo "1999"]
[PlyCount "113"]
[EventDate "2018.03.31"]
[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 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. b3 Ne4 7. Bb2 d5 8. Nbd2 Be6 9. c4 c6 10. e3 Nd7 11. Nxe4 fxe4 12. Ng5 Bf7 13. Nxf7 Rxf7 14. Bh3 Nf8 15. cxd5 cxd5 16. Rc1 Rf6 17. Rc5 Ne6 18. Bxe6+ Rxe6 19. Qc2 Rd6 20. Rc1 Rd7 21. Rc8 Rxc8 22. Qxc8 Qxc8 23. Rxc8+ Kf7 24. f3 exf3 25. Kf2 e6 26. Ba3 e5 27. dxe5 Bxe5 28. Kxf3 Ke6 29. Bc5 a6 30. Re8+ Kf6 31. Bb6 Rf7 32. Ke2 Bb2 33. h3 h5 34. Bd8+ Kf5 35. Kf3 g5 36. g4+ Kg6+ 37. Ke2 hxg4 38. hxg4 d4 39. Re6+ Kh7 40. Bxg5 Rg7 41. Re7 dxe3 42. Rxg7+ Kxg7 43. Bxe3 Kg6 44. Kd3 Kf7 45. Kc4 Ke6 46. Kc5 Kd7 47. Kb6 Kc8 48. g5 Bc3 49. g6 Kd7 50. Kxb7 a5 51. a4 Ke6 52. Ka6 Kf6 53. Bb6 Kxg6 54. Bxa5 Be5 55. Kb7 Kf7 56. Bc7 Bc3 57. a5 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.06"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Lange, Cecilia"]
[Result "1-0"]
[ECO "D72"]
[WhiteElo "2137"]
[BlackElo "1850"]
[PlyCount "83"]
[EventDate "2018.03.31"]
[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 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Ne2 c5 8. d5 0-0 9. 0-0 e6 10. Nec3 exd5 11. exd5 Na6 12. a4 Bf5 13. Na3 Nb4 14. a5 Nc8 15. Be3 Qxa5 16. Nc4 Qd8 17. Bxc5 Bd3 18. Bxb4 Bxc4 19. Bxf8 Bxf1 20. Bxg7 Bxg2 21. Bh6 Bh3 22. Qd4 f6 23. Ne4 Kf7 24. Ng5+ Kg8 25. Nxh3 Nd6 26. Bd2 b6 27. Bc3 Nb5 28. Qxf6 Qxf6 29. Bxf6 Kf7 30. Be5 h6 31. Nf4 Rd8 32. Rd1 Nd6 33. Rc1 Nb5 34. Rd1 Nd6 35. Bxd6 Rxd6 36. Ng2 b5 37. Ne3 Ke7 38. Rc1 Kd7 39. Rc5 Rb6 40. b4 a6 41. h4 h5 42. Kf1 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.05"]
[Round "6"]
[White "Artukovic, Adis"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2051"]
[BlackElo "2137"]
[PlyCount "69"]
[EventDate "2018.03.31"]
[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 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Ne7 5. e3 c6 6. Nge2 0-0 7. 0-0 d6 8. b4 Be6 9. d3 d5 10. cxd5 Nxd5 11. Rb1 a6 12. Qc2 Nxc3 13. Nxc3 Nd7 14. Ne4 Bd5 15. Bh3 Bxe4 16. dxe4 Qe7 17. Rd1 Rfd8 18. a4 Nf6 19. Bd2 Rd6 20. Bc3 Rad8 21. Rdc1 b5 22. a5 Ne8 23. Be1 Qb7 24. Rb3 Kf8 25. Rc3 Ke7 26. Rc5 f6 27. Qc3 Bf8 28. Qb3 Ng7 29. Qg8 h5 30. f4 exf4 31. e5 fxe5 32. Rxe5+ Kf6 33. gxf4 Rd1 34. Rxd1 Rxd1 35. Qxf8+ 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.04"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Tarriba Martinez, Lopez Gabriel"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "2137"]
[PlyCount "51"]
[EventDate "2018.03.31"]
[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 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. e4 e5 7. Nge2 Nc6 8. d5 Nd4 9. 0-0 c5 10. dxc6 bxc6 11. Nxd4 exd4 12. Qxd4 Nd5 13. Qd3 Nxc3 14. bxc3 Qa5 15. Qxd6 Qxc3 16. Bf4 Qxa1 17. Rxa1 Bxa1 18. e5 Be6 19. Bxc6 Rad8 20. Qe7 Bh3 21. Ba4 Rb8 22. Bb3 Rfd8 23. c5 Rd7 24. Bxf7+ Kg7 25. Qf6+ Kf8 26. Bh6# 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.03"]
[Round "4"]
[White "Stein, Siegfried"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1788"]
[BlackElo "2137"]
[PlyCount "62"]
[EventDate "2018.03.31"]
[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 d6 3. Bb5+ Bd7 4. a4 Nf6 5. d3 g6 6. 0-0 Bg7 7. Nbd2 0-0 8. Bxd7 Nbxd7 9. Nc4 Qc7 10. h3 d5 11. exd5 Nxd5 12. Re1 h6 13. Bd2 e6 14. a5 b5 15. axb6 axb6 16. c3 b5 17. Na3 b4 18. Nb5 Qc6 19. Rxa8 Rxa8 20. c4 Nc7 21. Nxc7 Qxc7 22. Qc1 Kh7 23. d4 cxd4 24. Bxb4 Ra4 25. Bd2 Rxc4 26. Qb1 Nb6 27. Qd3 Qc5 28. b3 Rc2 29. Bb4 Qf5 30. Qd1 d3 31. Re3 Nd5 0-1

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.02"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Cirkovic, Rade"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2137"]
[BlackElo "1913"]
[PlyCount "73"]
[EventDate "2018.03.31"]
[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 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 Nbd7 7. Nf3 Be7 8. Be2 0-0 9. 0-0 Re8 10. Re1 a6 11. a4 b6 12. h3 Nf8 13. Bf4 Ng6 14. Bh2 Bf8 15. Bf1 Nd7 16. Nd2 Qf6 17. Nc4 Rb8 18. Na3 Bb7 19. Qd2 Qd8 20. Rad1 f6 21. Kh1 Nge5 22. f4 Nf7 23. Be2 Bc8 24. Bg4 Ra8 25. Be6 Be7 26. Qf2 Nf8 27. f5 Bxe6 28. dxe6 Ne5 29. Bxe5 fxe5 30. Nc4 Qb8 31. Nd5 b5 32. axb5 axb5 33. Nxe7+ Rxe7 34. Nxd6 c4 35. Qc5 Rc7 36. Qxe5 Rc6 37. e7 1-0

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.04.01"]
[Round "2"]
[White "Muskewitz, Bernd"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1888"]
[BlackElo "2137"]
[PlyCount "133"]
[EventDate "2018.03.31"]
[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 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 b6 6. Bf4 Bb7 7. Nbd2 g6 8. 0-0 Bg7 9. Re1 0-0 10. Bf1 e5 11. Bg3 Nh5 12. Nc4 Nxg3 13. hxg3 Qc7 14. a4 Rfe8 15. Ne3 Nf6 16. c4 Bh6 17. Qc2 Bxe3 18. Rxe3 Rf8 19. Ree1 Bc8 20. Be2 Bd7 21. Qd2 Kg7 22. Nh2 Qc8 23. b3 Ng8 24. g4 Ne7 25. g5 Nc6 26. Bd1 f6 27. gxf6+ Rxf6 28. Rf1 Be6 29. Nf3 h6 30. Ne1 Qd7 31. Nc2 Raf8 32. f3 a5 33. Be2 Qd8 34. Qe1 Rf4 35. g4 h5 36. Qg3 Qg5 37. Kh2 hxg4 38. fxg4 Bxg4 39. Rxf4 Rxf4 40. Kg2 Kf6 41. Ne3 Be6 42. Nc2 Qxg3+ 43. Kxg3 Kg7 44. Rh1 Rf8 45. Rh2 Rh8 46. Rxh8 Kxh8 47. Bg4 Bxg4 48. Kxg4 Nd4 49. Ne3 Nxb3 50. Nd5 Nc1 51. Nxb6 Nxd3 52. Nc8 Nb2 53. Nxd6 Nxa4 54. Nb7 Nc3 55. Nxa5 Nxe4 56. Nc6 Nf6+ 57. Kg5 Nd7 58. Ne7 Kg7 59. Nxg6 e4 60. Nf4 e3 61. Kf5 Nb6 62. Ne6+ Kf7 63. Nxc5 Nxc4 64. Nd3 e2 65. Ke4 Nb2 66. Ne1 Nd1 67. Kd3 1/2-1/2

[Event "Berlin-ch QT"]
[Site "Berlin"]
[Date "2018.03.31"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Kreuchauf, Olaf"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2137"]
[BlackElo "1693"]
[PlyCount "103"]
[EventDate "2018.03.31"]
[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. bxa6 Bxa6 6. Nc3 g6 7. g3 Bg7 8. Bg2 d6 9. Nf3 0-0 10. 0-0 Nbd7 11. Rb1 Nb6 12. b3 Ng4 13. Bb2 Qc7 14. Re1 Ra7 15. Qd2 Rd8 16. Rec1 Qb8 17. h3 Ne5 18. Nxe5 Bxe5 19. Nd1 Bg7 20. Bxg7 Kxg7 21. Ne3 Bc8 22. a4 h5 23. h4 Rb7 24. Qc3+ Kh7 25. Ra1 Na8 26. Rcb1 Nc7 27. Nc4 Bd7 28. e4 Rb4 29. Rb2 Qa7 30. e5 Nb5 31. Qe3 Nd4 32. exd6 Nf5 33. Qg5 Re8 34. Be4 Nxd6 35. Qxh5+ Kg7 36. Qe2 Nb5 37. Bg2 Nd4 38. Qe3 Bf5 39. Rc1 Qb8 40. Na5 Qb6 41. Nc4 Qb8 42. Qe5+ f6 43. Qxb8 Rexb8 44. Na5 Rxa4 45. Rxc5 Ra1+ 46. Kh2 Re1 47. Nc6 Nxc6 48. dxc6 Be4 49. c7 Rc8 50. b4 Bxg2 51. Kxg2 Re6 52. Rd2 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.08"]
[Round "9"]
[White "Hahlbohm, Matthias"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2057"]
[BlackElo "2112"]
[PlyCount "119"]
[EventDate "2018.01.30"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. 0-0 Be6 10. Bf3 Nbd7 11. Bg5 h6 12. Bxf6 Nxf6 13. a4 Qc7 14. Re1 Rac8 15. Rc1 Qb8 16. Qe2 Bc4 17. Qd2 b5 18. axb5 axb5 19. Na5 b4 20. Nd1 Be6 21. Ne3 Qb6 22. Ra1 Ra8 23. Nac4 Qc5 24. b3 Rfd8 25. g3 Rdb8 26. Kg2 Ra7 27. Rad1 Rd8 28. Qe2 Bf8 29. Rd2 g6 30. Red1 h5 31. h3 Rad7 32. Ra1 Bh6 33. Rdd1 Bxe3 34. Nxe3 d5 35. exd5 Nxd5 36. Nc4 f6 37. Ra5 Qc6 38. Rda1 Qc7 39. Ra6 Bf7 40. Qe1 Kg7 41. Kh2 h4 42. Bg2 Rb8 43. R1a4 Qc5 44. R4a5 Qe7 45. Rc6 Nc3 46. Raa6 Rd1 47. Qe3 Nd5 48. Qf3 Rd4 49. Ne3 e4 50. Nxd5 exf3 51. Nxe7 fxg2 52. Kxg2 Rd7 53. Rc8 Rbb7 54. Nc6 hxg3 55. Kxg3 Rd2 56. Nd8 Re7 57. Nxf7 Kxf7 58. Rb6 g5 59. Rcc6 Ree2 60. Rxf6+ 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.07"]
[Round "8"]
[White "Burchardt, Brigitte"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2170"]
[BlackElo "2112"]
[PlyCount "65"]
[EventDate "2018.01.30"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Be7 8. 0-0 0-0 9. f4 Qc7 10. Bf3 Nc6 11. Nb3 Rb8 12. a4 b6 13. Qd2 Na5 14. Nxa5 bxa5 15. Rab1 Rd8 16. Kh1 d5 17. exd5 Bb7 18. Qf2 Bxd5 19. Bxd5 Nxd5 20. Bd4 Rb4 21. Nxd5 Rxd5 22. c3 Rb3 23. Qe2 Bc5 24. Qc4 Qb6 25. Bxc5 Rxc5 26. Qe4 Qc6 27. Rbd1 g6 28. Rd8+ Kg7 29. Qd4+ f6 30. Rd7+ Kg8 31. Rd6 Qc7 32. Rd8+ Kg7 33. Rd7+ 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.06"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Simon, Ralf Axel"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2112"]
[BlackElo "2146"]
[PlyCount "109"]
[EventDate "2018.01.30"]
[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. c4 e6 3. Nf3 Nf6 4. e3 a6 5. a4 c5 6. Nc3 Nc6 7. Be2 dxc4 8. Bxc4 cxd4 9. exd4 Nb4 10. 0-0 Be7 11. Qe2 Bd7 12. Rd1 Bc6 13. Ne5 0-0 14. Nxc6 bxc6 15. Bf4 a5 16. Ne4 Nfd5 17. Bc1 Ra7 18. Ra3 f5 19. Nc5 Bxc5 20. dxc5 Qf6 21. Re1 Re7 22. Rg3 f4 23. Rh3 e5 24. Bd3 Nxd3 25. Qxd3 g5 26. Qe4 Rb8 27. b3 Qe6 28. Bb2 Rbe8 29. Rd3 Qg6 30. Qxg6+ hxg6 31. f3 e4 32. fxe4 Rxe4 33. Rxe4 Rxe4 34. Kf2 Kf7 35. h3 Re3 36. Rxe3 Nxe3 37. Kf3 Nd1 38. Bc1 Ke6 39. Bd2 Kf5 40. Bxa5 Ne3 41. Bd2 Nd5 42. b4 Nc7 43. Be1 Ne6 44. Bf2 Nc7 45. Bd4 Ne6 46. Bb2 Nc7 47. Ba3 Ne6 48. Bb2 Nc7 49. Ke2 Ke4 50. a5 Na6 51. Bc3 Nc7 52. Bf6 Na6 53. Bc3 Nc7 54. Kd2 Na6 55. Ke2 1/2-1/2

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.05"]
[Round "6"]
[White "Hildebrand, Gerald"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "E41"]
[WhiteElo "2160"]
[BlackElo "2112"]
[PlyCount "72"]
[EventDate "2018.01.30"]
[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 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 0-0 6. Bd3 Nc6 7. 0-0 Bxc3 8. bxc3 d6 9. e4 e5 10. Bg5 h6 11. Bh4 cxd4 12. cxd4 Bg4 13. dxe5 dxe5 14. h3 Bxf3 15. Qxf3 g5 16. Bg3 Qe7 17. Rfd1 Rad8 18. Rac1 Rd4 19. Bb1 Rfd8 20. Re1 Nd7 21. h4 Kg7 22. Qe2 Nc5 23. hxg5 hxg5 24. f3 Rd2 25. Qe3 f6 26. Rc2 Rd1 27. Rc1 Rxc1 28. Rxc1 Qd6 29. Bf2 b6 30. Be1 Qd4 31. Bf2 Qb2 32. Re1 Rd2 33. Rf1 Nd4 34. Qe1 Nce6 35. Qe3 Nf4 36. Kh1 Re2 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.03"]
[Round "5"]
[White "Federau, Juergen"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2112"]
[BlackElo "2175"]
[PlyCount "41"]
[EventDate "2018.01.30"]
[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 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. Nf3 Na6 11. 0-0 Nb4 12. Re1 a6 13. Bf1 Re8 14. h3 f5 15. Bd2 Nf6 16. e5 dxe5 17. fxe5 Nfxd5 18. Bg5 Qd7 19. Bc4 h6 20. Nxd5 Nxd5 21. Qxd5+ 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.02"]
[Round "4"]
[White "Behrmann, Joachim"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2200"]
[BlackElo "2112"]
[PlyCount "60"]
[EventDate "2018.01.30"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Bd6 7. Ng3 c6 8. Bd3 Nbd7 9. 0-0 dxc4 10. Bxc4 Bxg3 11. hxg3 e5 12. Bb3 Qe7 13. e4 exd4 14. Qxd4 Nc5 15. Bc2 Rd8 16. Qe3 Ng4 17. Qe2 h5 18. Be3 Be6 19. Rfd1 b5 20. f3 Nxe3 21. Qxe3 Nd7 22. Rd4 Ne5 23. Rad1 Nc4 24. Qf2 Nxb2 25. Rxd8+ Rxd8 26. Rxd8+ Qxd8 27. f4 Qb6 28. f5 Qxf2+ 29. Kxf2 Bd7 30. e5 Nc4 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.02.01"]
[Round "3"]
[White "Federau, Juergen"]
[Black "Casny, Guenter"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2112"]
[BlackElo "1821"]
[PlyCount "109"]
[EventDate "2018.01.30"]
[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 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 0-0 6. a3 Bxc3+ 7. bxc3 b6 8. Bd3 Ba6 9. cxd5 Bxd3 10. Qxd3 exd5 11. c4 c6 12. 0-0 Nbd7 13. a4 Re8 14. Ba3 Ne4 15. cxd5 cxd5 16. Rfc1 Rc8 17. Rxc8 Qxc8 18. Rc1 Qb8 19. Qc2 Nef6 20. h3 h6 21. Qc6 Re6 22. Qc2 a6 23. Ne1 b5 24. Rb1 Qb7 25. Nd3 Rc6 26. Bc5 Nxc5 27. Nxc5 Qb6 28. axb5 axb5 29. Qb3 Qc7 30. Qxb5 Ne4 31. Qb8+ Kh7 32. Qxc7 Rxc7 33. Nxe4 dxe4 34. g4 g5 35. Rb5 Re7 36. Re5 Rxe5 37. dxe5 Kg6 38. Kf1 f5 39. exf6 Kxf6 40. f4 exf3 41. Kf2 Ke5 42. Kxf3 Kd5 43. Ke2 Ke4 44. Kd2 Kf3 45. Kd3 Kg3 46. e4 Kxh3 47. e5 Kxg4 48. e6 h5 49. e7 h4 50. e8Q h3 51. Qe4+ Kg3 52. Ke2 g4 53. Kf1 Kh4 54. Kf2 Kg5 55. Kg3 1-0

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.01.31"]
[Round "2"]
[White "Schneider, Eckehard"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1842"]
[BlackElo "2112"]
[PlyCount "76"]
[EventDate "2018.01.30"]
[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. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd6 11. h3 Bh5 12. Nb5 Qb8 13. a3 0-0 14. Qb3 Rd8 15. Rad1 Nd5 16. Bc1 Bf6 17. Rfe1 Bxf3 18. Bxf3 a6 19. Bxd5 Rxd5 20. Nc3 Nxd4 21. Qc4 b5 22. Qd3 Rd8 23. Ne4 Be7 24. b4 Qc7 25. Qg3 Qxg3 26. Nxg3 Nc2 27. Rf1 f5 28. Bb2 Rac8 29. Nh5 g6 30. Nf6+ Bxf6 31. Bxf6 Rxd1 32. Rxd1 Nxa3 33. Ra1 Kf7 34. Be5 Nc4 35. Bd4 Rc6 36. Bc5 Nb2 37. Bd4 Nd3 38. Rb1 Rc4 0-1

[Event "Berlin-ch Seniors op 34th"]
[Site "Berlin"]
[Date "2018.01.30"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Engelhardt, Erhard"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2112"]
[BlackElo "1758"]
[PlyCount "51"]
[EventDate "2018.01.30"]
[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 e6 2. c4 d5 3. Nc3 f5 4. Nf3 c6 5. Bf4 Nf6 6. e3 Be7 7. Bd3 Ne4 8. Qc2 Nd7 9. h3 0-0 10. 0-0-0 Qa5 11. Kb1 Bb4 12. Rc1 Nxc3+ 13. bxc3 Ba3 14. Rcg1 Nb6 15. c5 Na4 16. c4 dxc4 17. Bxc4 b5 18. Bb3 Nc3+ 19. Ka1 Nd5 20. Bd6 Rf7 21. Ne5 Nb4 22. Qd2 Rb7 23. g4 fxg4 24. hxg4 Qd8 25. g5 g6 26. Ng4 1-0

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.11.05"]
[Round "9"]
[White "Schmidek, Emil"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2387"]
[BlackElo "2113"]
[PlyCount "81"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bd3 0-0 8. Be3 Nc6 9. a3 a6 10. h3 b5 11. 0-0 b4 12. Ne2 Nd5 13. Bd2 Bd7 14. c4 bxc3 15. bxc3 Bf6 16. c4 Nde7 17. Bc3 Bf5 18. Ng3 Bxd3 19. Qxd3 g6 20. d5 Bxc3 21. Qxc3 Nb8 22. Qe3 Kg7 23. Qd4+ Kg8 24. Qh4 Kg7 25. Qd4+ Kg8 26. Rae1 Nd7 27. Qh4 f6 28. Nd4 Nc5 29. Ne4 Nf5 30. Nxf5 gxf5 31. Ng3 Qd7 32. Nh5 Qf7 33. Re3 Ne4 34. f3 Ng5 35. Rfe1 Qg6 36. Nf4 Qg7 37. Kh2 Rf7 38. Qh5 h6 39. h4 Nh7 40. Ne6 Qh8 41. Qg6+ 1-0

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.11.04"]
[Round "8"]
[White "Federau, Juergen"]
[Black "Moeller, Hendrik"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2113"]
[BlackElo "2279"]
[PlyCount "35"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Bg4 12. Rc1 Re8 13. Nc5 Qb6 14. Ne6 Qa5 15. Bd2 Qb6 16. Be3 Qa5 17. Bd2 Qb6 18. Be3 1/2-1/2

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.11.03"]
[Round "7"]
[White "Polatel, Ali"]
[Black "Federau, Juergen"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2268"]
[BlackElo "2113"]
[PlyCount "82"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 Nge7 7. 0-0 0-0 8. d3 a6 9. Nd5 h6 10. Be3 Nd4 11. Nxd4 exd4 12. Bd2 c6 13. Nf4 Kh7 14. b4 Bd7 15. c5 dxc5 16. bxc5 b6 17. cxb6 Qxb6 18. Rb1 Qa7 19. h4 Rab8 20. Qc2 c5 21. Rfc1 Rxb1 22. Rxb1 Kg8 23. Ba5 Rb8 24. Rc1 Rc8 25. Qb3 Rb8 26. Qa3 Rc8 27. Kh2 Be5 28. Ne2 Be6 29. f4 Bg7 30. Rb1 c4 31. Bb6 Qd7 32. e5 Nf5 33. dxc4 Rxc4 34. Rd1 Ra4 35. Qc5 Rxa2 36. Re1 d3 37. Nc3 Rc2 38. Kg1 Bf8 39. Qa5 d2 40. Rd1 Rc1 41. Kh2 Qd3 0-1

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.11.02"]
[Round "6"]
[White "Federau, Juergen"]
[Black "Hoffbauer, Joerg"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2113"]
[BlackElo "1785"]
[PlyCount "67"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 f5 5. Nf3 Nf6 6. d5 Be7 7. g3 h6 8. Bg2 0-0 9. 0-0 Qe8 10. Nd4 Qc8 11. Bf4 a6 12. Rc1 Nh5 13. Bd2 c5 14. dxc6 Nxc6 15. Nxc6 Bxc6 16. Nd5 Bd8 17. e4 Nf6 18. exf5 exf5 19. Bb4 Re8 20. Re1 Re6 21. Qd3 g6 22. Qd2 Kh7 23. Bc3 Nh5 24. Qd4 Bc7 25. Rxe6 dxe6 26. Ne7 e5 27. Qd2 Qe6 28. Nxc6 Re8 29. Qd5 Qf6 30. Qd7+ Ng7 31. Qxc7 Qg5 32. Re1 Kg8 33. Bd5+ Kh8 34. Bxe5 1-0

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.11.01"]
[Round "5"]
[White "Riering, Berthold"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1977"]
[BlackElo "2113"]
[PlyCount "82"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. a3 e6 6. b4 b6 7. bxc5 bxc5 8. e5 f6 9. Bb5 Qc7 10. Qe2 Nd4 11. Nxd4 cxd4 12. exf6 Nxf6 13. Qxe6+ Kf8 14. Nd5 Nxd5 15. Qxd5 Bb7 16. Qxd7 Qxd7 17. Bxd7 d3 18. c3 Bxg2 19. Rg1 Be4 20. a4 Bf6 21. Kf2 Rd8 22. Bb5 Kg7 23. Ba3 Bh4+ 24. Ke3 Bf5 25. Bc5 a6 26. Bc6 Rc8 27. Bd4+ Bf6 28. Bxf6+ Kxf6 29. Bf3 Rhe8+ 30. Kf2 Rc4 31. Kg3 Rb8 32. Bd5 Rc5 33. c4 Rb2 34. Rgd1 Be6 35. Bxe6 Kxe6 36. Ra3 Rxc4 37. Rxd3 Rxa4 38. Re1+ Kf6 39. Rd6+ Kf7 40. Rd7+ Kf6 41. Rd6+ Kf7 1/2-1/2

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.10.31"]
[Round "4"]
[White "Federau, Juergen"]
[Black "Schmidt, Juergen"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "2113"]
[BlackElo "1948"]
[PlyCount "63"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. a4 b4 11. Nb1 c5 12. Nbd2 cxd4 13. exd4 Be7 14. Qe2 0-0 15. a5 Bd6 16. Nc4 Bc7 17. Rd1 Bd5 18. Bd2 Re8 19. h3 Bxc4 20. Bxc4 Bxa5 21. Ne5 Nxe5 22. dxe5 Nd5 23. Be1 Bc7 24. Bxb4 Qb8 25. Bxd5 exd5 26. Bc3 Bxe5 27. Bxe5 Rxe5 28. Qd2 h6 29. Ra5 Qd8 30. Rxd5 Rxd5 31. Qxd5 Qxd5 32. Rxd5 1/2-1/2

[Event "Berlin Lichtenrade op 13th"]
[Site "Berlin"]
[Date "2017.10.30"]
[Round "3"]
[White "Seefeld, Marc"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "1908"]
[BlackElo "2113"]
[PlyCount "94"]
[EventDate "2017.10.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. a4 Nc6 10. Nb3 b6 11. f4 Bb7 12. Bf3 Qc7 13. Qe2 Nd7 14. Rfd1 Rfd8 15. g3 Nc5 16. Nxc5 bxc5 17. Rd2 Bf6 18. Nd1 Nd4 19. Bxd4 Bxd4+ 20. Kg2 Bf6 21. c3 a5 22. Ne3 Ba6 23. Qd1 Rab8 24. Qc2 Be7 25. h4 Rb6 26. f5 Re8 27. fxe6 fxe6 28. Bh5 g6 29. Bg4 Bf8 30. Nf1 Bb7 31. Bf3 Bg7 32. Rad1 Rf8 33. Nh2 Bh6 34. Rf2 Ba6 35. Ng4 Bg7 36. Be2 Rxf2+ 37. Nxf2 Bxe2 38. Qxe2 Qb7 39. Rd2 Qf7 40. Qc4 Qe7 41. Nh3 Bh6 42. Rf2 Be3 43. Re2 Bc1 44. b3 Bh6 45. Rf2 Rb8 46. Nf4 Bxf4 47. Rxf4 Rf8 1/2-1/2

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.14"]
[Round "7"]
[White "Bogorad, Michail"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2101"]
[BlackElo "2126"]
[PlyCount "63"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. Be3 d6 5. d4 cxd4 6. Bxd4 Nxd4 7. Qxd4 f6 8. Bb5+ Kf7 9. Nge2 Nh6 10. 0-0 e6 11. h3 Be7 12. Bc4 Kg7 13. Qd2 Re8 14. Rad1 a6 15. Nf4 Bf8 16. a4 Nf7 17. Nd3 Qc7 18. Bb3 Bd7 19. f4 f5 20. exf5 gxf5 21. Rf3 Kh8 22. Rg3 Bg7 23. Kh2 Rac8 24. Ne2 Bf6 25. Re3 Rcd8 26. Ng3 Kg8 27. Nh5 Bh8 28. Qf2 Bc8 29. Rde1 d5 30. Qg3+ Kf8 31. Ne5 Nd6 32. Qg5 1-0

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.11"]
[Round "4"]
[White "Federau, Juergen"]
[Black "Herbrechtsmeier, Christof"]
[Result "0-1"]
[ECO "D72"]
[WhiteElo "2126"]
[BlackElo "2264"]
[PlyCount "74"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb4 7. d5 c6 8. Nc3 cxd5 9. Qa4+ N8c6 10. exd5 Qa5 11. Qxa5 Nxa5 12. Be4 Bf5 13. Bxf5 gxf5 14. Kf1 Rd8 15. Nge2 Nxd5 16. Kg2 Nxc3 17. bxc3 0-0 18. Bg5 Rd7 19. Rab1 b6 20. Rb5 e6 21. Rc1 Rc8 22. Rbb1 h6 23. Be3 Nc4 24. Nd4 Nd6 25. a4 Rdc7 26. a5 bxa5 27. Nb5 Nxb5 28. Rxb5 Rxc3 29. Rxc3 Bxc3 30. Bxh6 a4 31. Bc1 Bd4 32. Be3 Bc3 33. Bc1 a5 34. Ba3 Rc4 35. h4 e5 36. Bd6 f6 37. Rb7 Bb4 0-1

[Event "GER-chA Seniors 29th"]
[Site "Berlin"]
[Date "2017.08.07"]
[Round "3"]
[White "Huelsmann, Josef"]
[Black "Federau, Juergen"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2218"]
[BlackElo "2126"]
[PlyCount "82"]
[EventDate "2017.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 0-0 6. Bg2 c6 7. Ne2 Nd7 8. 0-0 f5 9. Qd3 Nf6 10. Nd2 Ne4 11. Rfd1 Be6 12. b3 b5 13. c3 Qe7 14. Nf4 Rab8 15. b4 a5 16. bxa5 Nxd2 17. Qxd2 Ba3 18. Nd3 Ra8 19. Rdb1 Qc7 20. Nb4 Rxa5 21. h4 Rfa8 22. h5 Qd6 23. Bf3 Bd7 24. Bd1 Qh6 25. Kg2 g5 26. hxg6 hxg6 27. Bb3 Qg5 28. Rh1 Kg7 29. Rh4 Rh8 30. Rxh8 Kxh8 31. Rh1+ Kg7 32. Bd1 Ra8 33. Rh4 Rh8 34. Rxh8 Kxh8 35. f4 Qe7 36. Bf3 Kg7 37. Kf2 Qf8 38. Qe1 Qh8 39. Qb1 Qf8 40. Qb3 Bxb4 41. cxb4 Qa8 1/2-1/2

[Event "Berlin Werner Ott op"]
[Site "Berlin"]
[Date "2017.07.23"]
[Round "9"]
[White "Federau, Juergen"]
[Black "Klenburg, Mikhail"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2103"]
[BlackElo "2362"]
[PlyCount "88"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Bg7 9. Nf3 Nfd7 10. 0-0 Nb6 11. Qc2 N8d7 12. Rd1 0-0 13. Rb1 Nc4 14. b3 Qa5 15. bxc4 Qxc3 16. Qxc3 Bxc3 17. Bh6 Rfb8 18. Bh3 Nf6 19. Rbc1 Ba5 20. Rc2 Ne4 21. Rdc1 Ra7 22. Ne1 Bxe1 23. Rxe1 Rb4 24. f3 Nf6 25. Rec1 Rab7 26. Bc8 R7b6 27. Bxa6 Rxa6 28. Bg5 Kg7 29. Kf2 h6 30. Bd2 Rba4 31. Bc3 Rxa2 32. Rxa2 Rxa2 33. h4 Kf8 34. Bxf6 exf6 35. g4 Ra4 36. Ke3 Ke7 37. Kd3 Kd7 38. Rb1 Kc7 39. Kc3 Ra2 40. Kd3 Ra4 41. Kc3 Ra8 42. Kd3 Ra2 43. Ke3 Ra3+ 44. Kd2 Ra2+ 1/2-1/2

