[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.06.03"]
[Round "11"]
[White "Berlin, Detlef"]
[Black "Plesse, Hans Joachim"]
[Result "1/2-1/2"]
[ECO "A02"]
[PlyCount "100"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. e3 b6 4. f4 Bb7 5. Nf3 Be7 6. Be2 d6 7. 0-0 Nbd7 8. d3 c5 9. a4 a6 10. Nbd2 Nd5 11. Kf2 Bf6 12. d4 cxd4 13. Nxd4 Bxd4 14. Bxd4 e5 15. Nc4 0-0 16. fxe5 dxe5 17. Nxe5 Qh4+ 18. Kg1 Nxe5 19. Bxe5 Nxe3 20. Bg3 Qe7 21. Qd6 Qxd6 22. Bxd6 Rfd8 23. Bc7 Rdc8 24. Bxb6 Nxf1 25. Rxf1 Rxc2 26. Rf2 Re8 27. Bf1 Rxf2 28. Kxf2 Re6 29. a5 Rd6 30. b4 Rd1 31. h4 Rb1 32. Bc5 Rb3 33. Be2 g6 34. g4 Rh3 35. h5 gxh5 36. gxh5 Kg7 37. Be7 f5 38. Bd6 Kf6 39. Bf4 Rb3 40. Bd6 Kg5 41. Bf8 Kf4 42. Bc4 Rb2+ 43. Ke1 Ke3 44. Bc5+ Ke4 45. Bg8 Rh2 46. Bxh7 Rxh5 47. Bg6 Rh2 48. Be8 f4 49. Bg6+ Kf3 50. Bd3 Rb2 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.27"]
[Round "10"]
[White "Schmidt, Juergen"]
[Black "Berlin, Detlef"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "60"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Bd7 8. Ng5 h6 9. Qh5 g6 10. Qh3 Nbc6 11. Bd3 cxd4 12. cxd4 Nxd4 13. 0-0 Qc7 14. Bf4 f6 15. Be3 fxg5 16. Bxd4 Nf5 17. Bxf5 gxf5 18. g4 f4 19. Qh5+ Ke7 20. a4 Be8 21. Qh3 Bg6 22. Qa3+ Kf7 23. Rfb1 h5 24. Qd6 Rhc8 25. Rb2 hxg4 26. Rab1 b6 27. a5 Qxd6 28. exd6 Bxc2 29. axb6 axb6 30. d7 Rc4 0-1

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.25"]
[Round "9"]
[White "Grzesik, Thomas"]
[Black "Berlin, Detlef"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "85"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. c3 0-0 8. Be3 d6 9. Qd2 e5 10. Na3 Rb8 11. d4 cxd4 12. cxd4 f5 13. exf5 Nxf5 14. dxe5 Nxe3 15. Qxe3 dxe5 16. Nc4 Qe7 17. Rfe1 e4 18. Qxe4 Qxe4 19. Rxe4 Bf5 20. Re3 Nd4 21. Nxd4 Bxd4 22. Re7 b5 23. Ne3 Bxb2 24. Rd1 Rbd8 25. Bd5+ Kh8 26. Rxa7 b4 27. Rb7 Bc3 28. Kg2 Bc8 29. Ra7 Rf6 30. Be4 Rxd1 31. Nxd1 Bd2 32. Ra8 Rf8 33. Ne3 Kg7 34. Bd5 Be1 35. f4 Bc3 36. Nc4 Bd4 37. Ra4 Rd8 38. Be4 Bc3 39. Ra7+ Kf6 40. Ra8 Ke7 41. Ra7+ Kf6 42. Ra8 Ke7 43. Ra7+ 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.20"]
[Round "8"]
[White "Berlin, Detlef"]
[Black "Grzesik, Frank"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "13"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.18"]
[Round "7"]
[White "Reichenbach, Werner"]
[Black "Berlin, Detlef"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2255"]
[PlyCount "71"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Be7 8. Qe2 Ngf6 9. Ng3 Bxf3 10. Qxf3 c6 11. Re1 0-0 12. c3 Re8 13. Bf4 Qb6 14. Re2 c5 15. dxc5 Nxc5 16. Bc2 Rac8 17. Rae1 Qc6 18. Qxc6 Rxc6 19. c4 Ncd7 20. b3 Ba3 21. Rd1 h6 22. Ne4 g5 23. Be3 b6 24. Red2 Re7 25. Rxd7 Nxd7 26. Rxd7 Rxd7 27. Nf6+ Kg7 28. Nxd7 f6 29. Nb8 Rc8 30. Na6 e5 31. g4 b5 32. Bf5 Rd8 33. cxb5 Rd1+ 34. Kg2 Ra1 35. Bxa7 Rxa2 36. Bc5 1-0

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.13"]
[Round "6"]
[White "Berlin, Detlef"]
[Black "Rahls, Peter"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "87"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. Nd2 Bc5 9. Nc4 Qe7 10. Qh5 Bd6 11. f4 Nf6 12. Nxd6+ Qxd6 13. Qh4 Qd4+ 14. Kh1 Be6 15. f5 Bc4 16. Bh6 Bxd3 17. cxd3 Rg8 18. Bxg7 Nd7 19. Bh6 f6 20. Qh5+ Ke7 21. Qe2 Rad8 22. Rfd1 Qd6 23. b4 b5 24. a3 c5 25. Be3 Ra8 26. bxc5 Nxc5 27. Qh5 Rg7 28. Bxc5 Qxc5 29. Rac1 Qd6 30. Rc3 Rd8 31. Rdc1 Kf8 32. Rc6 Qxa3 33. Qh6 Qxd3 34. Qxf6+ Kg8 35. Rc8 Rgd7 36. h3 Qd6 37. Qg5+ Kf7 38. R1c6 Qe7 39. f6 Qf8 40. Rxd8 Rxd8 41. Rc7+ Ke6 42. Re7+ Kd6 43. Qxe5+ Kc6 44. Qc7# 1-0

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.11"]
[Round "5"]
[White "Redlich, Olaf"]
[Black "Berlin, Detlef"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "62"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 c6 6. a4 0-0 7. 0-0 Qc7 8. h3 e5 9. dxe5 dxe5 10. Bc4 Nbd7 11. Be3 Nh5 12. Ne2 Rd8 13. Qc1 Nf8 14. Ng5 Ne6 15. Nxe6 Bxe6 16. Bxe6 fxe6 17. c3 Rd3 18. Rd1 Rxd1+ 19. Qxd1 Nf4 20. Bxf4 exf4 21. Qb3 Qf7 22. Rd1 f3 23. Nd4 Bxd4 24. Rxd4 fxg2 25. Rd6 Re8 26. Kxg2 Kh8 27. Qd1 Qf4 28. f3 Qg5+ 29. Kf2 Qh4+ 30. Kg2 Qg5+ 31. Kf2 Qh4+ 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.06"]
[Round "4"]
[White "Berlin, Detlef"]
[Black "Konrad, Erhard"]
[Result "1/2-1/2"]
[ECO "B89"]
[PlyCount "100"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 0-0 9. 0-0-0 Bd7 10. Rhg1 Qb8 11. g4 Nxd4 12. Bxd4 Rc8 13. f4 b5 14. e5 Ne8 15. Bxb5 Bxb5 16. Nxb5 d5 17. g5 g6 18. f5 Rc4 19. Nd6 Nxd6 20. exd6 Qxd6 21. fxg6 fxg6 22. b3 Rc6 23. Rg2 Rac8 24. Qe3 a5 25. a4 Qc7 26. Rdd2 Rf8 27. Rdf2 Rc8 28. h4 Ba3+ 29. Kb1 Bb4 30. h5 Re8 31. hxg6 hxg6 32. Rf6 e5 33. Qd3 Rxf6 34. gxf6 Qh7 35. Be3 Qh1+ 36. Rg1 Qe4 37. Rxg6+ Kf7 38. Qxe4 dxe4 39. Rg4 Kxf6 40. Rxe4 Kf5 41. Rc4 e4 42. c3 Bd6 43. b4 Kg4 44. Rc6 Be5 45. bxa5 Kf3 46. Bh6 e3 47. Bxe3 Kxe3 48. Kc2 Ke4 49. Kb3 Kd5 50. Rc4 Ra8 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.04"]
[Round "3"]
[White "Lueders, Gerhard"]
[Black "Berlin, Detlef"]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "101"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 Nc6 5. Bf4 Nf6 6. e3 a6 7. a3 Be7 8. Ne5 Nxe5 9. dxe5 Ne4 10. Nxe4 Bxe4 11. Qg4 g5 12. Bg3 h5 13. Qe2 h4 14. f3 hxg3 15. fxe4 c6 16. 0-0-0 Rxh2 17. Rxh2 gxh2 18. Qh5 Qb6 19. Qh8+ Bf8 20. exd5 Qxe3+ 21. Kb1 0-0-0 22. Qxh2 Bg7 23. Bd3 Bxe5 24. Qh5 Qf2 25. Bc2 Qf6 26. dxe6 Rxd1+ 27. Qxd1 fxe6 28. b3 g4 29. Qxg4 Ba1 30. Kc1 Bb2+ 31. Kd1 Bxa3 32. Ke2 Bc5 33. Qf3 Qxf3+ 34. Kxf3 Kd7 35. g4 Kd6 36. Ke4 Ba3 37. g5 a5 38. g6 Bb2 39. Bd1 Kc5 40. Bg4 Kb4 41. Bxe6 Kxb3 42. Kd3 a4 43. c5+ Kb4 44. Bc8 Bg7 45. Kc2 Kxc5 46. Bxb7 Kb5 47. Kb1 c5 48. Ka2 Kb4 49. Bd5 c4 50. Be4 Bf8 51. Bc2 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.04.29"]
[Round "2"]
[White "Berlin, Detlef"]
[Black "Yelkenci, Oguz"]
[Result "1-0"]
[ECO "B96"]
[PlyCount "61"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 Nbd7 8. f4 Qc7 9. 0-0-0 Be7 10. g4 b5 11. Bg2 Bb7 12. Rhe1 0-0 13. e5 dxe5 14. Bxb7 exd4 15. Bxa8 dxc3 16. Bg2 cxb2+ 17. Kb1 Nb6 18. f5 Na4 19. Bd2 Rd8 20. fxe6 Rxd2 21. exf7+ Kf8 22. Qxd2 Nc3+ 23. Kxb2 b4 24. Re3 Nxg4 25. Rxe7 Nxd1+ 26. Qxd1 Kxe7 27. Qxg4 Qc3+ 28. Kc1 Qe1+ 29. Qd1 Qe3+ 30. Kb1 Qe5 31. Bd5 1-0

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.04.27"]
[Round "1"]
[White "Federau, Juergen"]
[Black "Berlin, Detlef"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "101"]
[EventDate "1981.04.27"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. Bf4 e6 4. e3 Bd6 5. Bg3 Nf6 6. Bd3 Bxd3 7. Qxd3 0-0 8. Nbd2 c5 9. dxc5 Bxc5 10. 0-0 Nc6 11. Rfd1 Qb6 12. a3 a5 13. Bh4 Be7 14. c4 Rfd8 15. Qc2 Rac8 16. Rac1 dxc4 17. Nxc4 Qc5 18. Rxd8+ Nxd8 19. e4 b5 20. Ne3 Qxc2 21. Rxc2 Rxc2 22. Nxc2 Kf8 23. Bxf6 gxf6 24. Nfd4 b4 25. a4 Bc5 26. Nb3 Bb6 27. Kf1 Nc6 28. Ke2 Ne5 29. Nd2 Ke7 30. f4 Nc6 31. Kd3 Kd7 32. Kc4 Kc7 33. Kb5 Kb7 34. Nb3 Na7+ 35. Kc4 Nc8 36. Nd2 Nd6+ 37. Kd3 f5 38. exf5 Nxf5 39. Ne4 Bc7 40. g3 e5 41. fxe5 Bxe5 42. b3 h6 43. Nd2 Nd6 44. Nc4 Nxc4 45. Kxc4 Kb6 46. Kd5 Bc3 47. Ne3 Be1 48. Nc4+ Ka6 49. Nd6 f6 50. Ne4 Bc3 51. g4 1-0

