[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.18"]
[Round "7"]
[White "Konrad, Erhard"]
[Black "Yelkenci, Oguz"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "109"]
[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. Nc3 e6 3. g3 Nc6 4. Bg2 Nge7 5. d3 Nd4 6. f4 Nec6 7. Nf3 Nxf3+ 8. Bxf3 Nd4 9. Bg2 d6 10. 0-0 g6 11. Ne2 Bg7 12. c3 Nc6 13. Be3 0-0 14. Qd2 Ne7 15. d4 Qc7 16. Rfd1 Rb8 17. dxc5 dxc5 18. Qd6 Qxd6 19. Rxd6 b6 20. Rad1 Ba6 21. Kf2 Bc4 22. Rd7 Nc8 23. Nc1 Bb5 24. Rc7 e5 25. Bf1 Bxf1 26. Kxf1 Bf6 27. Ke2 exf4 28. gxf4 a5 29. Kf3 a4 30. Ne2 Bd8 31. Rcd7 Ne7 32. Ra7 Nc6 33. Rxa4 Na5 34. c4 f5 35. e5 h6 36. Nc3 g5 37. h3 Nc6 38. Rd6 gxf4 39. Rg6+ Kh7 40. Rxc6 fxe3 41. Ra7+ Kg8 42. Rg6+ Kh8 43. Rxh6+ Kg8 44. Rg6+ Kh8 45. Kxe3 f4+ 46. Kf3 Rf5 47. e6 Re5 48. Kxf4 Re1 49. Rh6+ Kg8 50. Rg6+ Kh8 51. Ne4 Rh1 52. Rh6+ Kg8 53. Ke5 Re1 54. Rg6+ Kh8 55. e7 1-0

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.13"]
[Round "6"]
[White "Yelkenci, Oguz"]
[Black "Kauschmann, Herbert"]
[Result "0-1"]
[ECO "A75"]
[PlyCount "74"]
[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. c4 Nf6 2. Nc3 g6 3. d4 c5 4. d5 d6 5. e4 Bg7 6. Nf3 0-0 7. Be2 e6 8. 0-0 exd5 9. cxd5 a6 10. a4 Bg4 11. h3 Bxf3 12. Bxf3 Nbd7 13. Be2 Qe7 14. Qc2 Rfe8 15. Bg5 h6 16. Bh4 Rac8 17. Rae1 c4 18. f4 Qd8 19. Bf2 Qa5 20. Bf3 Nh7 21. Bg4 Nhf8 22. Re2 b5 23. axb5 axb5 24. e5 dxe5 25. fxe5 Rxe5 26. Rxe5 Bxe5 27. Re1 Re8 28. Qc1 Kh7 29. Ne4 Qb4 30. Nc3 Nf6 31. Bf3 Qa5 32. d6 b4 33. Ne4 Nxe4 34. Rxe4 c3 35. bxc3 bxc3 36. Rh4 Bg7 37. Rf4 Qa2 0-1

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.06"]
[Round "4"]
[White "Rahls, Peter"]
[Black "Yelkenci, Oguz"]
[Result "1-0"]
[ECO "B07"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. Qd2 Ng4 6. 0-0-0 Nxe3 7. Qxe3 c6 8. f4 Qa5 9. Nf3 b5 10. Kb1 b4 11. Ne2 Be6 12. Nc1 Qb6 13. h3 a5 14. Ng5 Bd7 15. Bc4 e6 16. g4 h6 17. Nf3 Na6 18. f5 0-0-0 19. Qf4 d5 20. Bxa6+ Qxa6 21. Nb3 g5 22. Qe3 exf5 23. exf5 Rhe8 24. Ne5 f6 25. Qd3 Qxd3 26. Nxd3 a4 27. Nbc5 b3 28. axb3 axb3 29. Nxb3 Kc7 30. Rhe1 h5 31. Nbc5 hxg4 32. hxg4 Bf8 33. Rh1 Bd6 34. Rh6 Ra8 35. Rxf6 Re7 36. Rg6 Bf4 37. Rf1 Be3 38. Re1 Rae8 39. Ne6+ Bxe6 40. Rxe3 Bd7 41. Rxe7 Rxe7 42. Rxg5 Re4 43. Rg7 Kc8 44. f6 1-0

[Event "Berlin-ch"]
[Site "Berlin West"]
[Date "1981.05.04"]
[Round "3"]
[White "Yelkenci, Oguz"]
[Black "Zschaebitz, Klaus"]
[Result "0-1"]
[ECO "D30"]
[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. Nf3 d5 2. c4 c6 3. d4 e6 4. e3 Nf6 5. a3 Be7 6. Nc3 0-0 7. cxd5 cxd5 8. Bd3 Nc6 9. 0-0 Bd7 10. b4 Rc8 11. Bd2 Bd6 12. Qe2 Ne7 13. Ne5 Bxe5 14. dxe5 Ne8 15. f4 Qb6 16. Qf2 f5 17. Kh1 Nc7 18. Qe2 d4 19. Nd1 Ncd5 20. e4 fxe4 21. Qxe4 Nf5 22. Nb2 Bc6 23. Nc4 Qc7 24. Qe2 Nde7 25. Rac1 Qd7 26. Na5 Bd5 27. Bb5 Qd8 28. Rxc8 Nxc8 29. Bd3 Qh4 30. Be1 Qh6 31. Nc4 b5 32. Nd2 Ne3 33. Rf2 a6 34. Ne4 Rxf4 35. Rxf4 Qxf4 36. Bg3 Qh6 37. Qf2 Qh5 38. Be2 Qg6 39. Nd2 Bxg2+ 40. Kg1 Nb6 41. Qf4 Nbd5 42. Qxd4 Qc2 43. Qc5 Bh3 44. Qxc2 Nxc2 45. Ne4 Nxa3 46. Nc5 Nxb4 47. Nxe6 Bxe6 48. Be1 Nbc2 49. Bc3 b4 50. Bb2 Nc4 51. Bd3 0-1

[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 "Yelkenci, Oguz"]
[Black "Schmidt, Juergen"]
[Result "0-1"]
[ECO "E99"]
[PlyCount "126"]
[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. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 Kh8 13. c5 c6 14. cxd6 Qxd6 15. dxc6 Nxc6 16. Nb5 Qd8 17. Nf2 a6 18. Nc3 f4 19. a4 Be6 20. Nd3 Qb6+ 21. Kh1 Rad8 22. a5 Qc7 23. Qa4 Nd4 24. Bd1 Bc4 25. Nd5 Qc6 26. N5b4 Qxa4 27. Bxa4 Bxd3 28. Nxd3 Nb3 29. Bxb3 Rxd3 30. Bc3 Rfd8 31. Bc4 R3d7 32. Bxe5 Nh5 33. Bxg7+ Kxg7 34. Rfe1 Kf6 35. Kg1 Ke5 36. Rac1 Nf6 37. Be2 Rd2 38. Red1 Rxd1+ 39. Rxd1 Rc8 40. Rd2 Rc1+ 41. Kf2 Ra1 42. b4 Rb1 43. b5 axb5 44. Rc2 Kd6 45. Ra2 b4 46. a6 bxa6 47. Rxa6+ Ke5 48. g3 Nh5 49. Ra5+ Kd4 50. Rd5+ Kc3 51. e5 b3 52. Rd3+ Kc2 53. g4 b2 54. Rd7 Rh1 55. Bd3+ Kc3 56. Be4 Rxh2+ 57. Kg1 Re2 58. Rb7 Ng3 59. Rc7+ Kd4 60. Rd7+ Kxe5 61. Rd5+ Ke6 62. Rd1 Nxe4 63. fxe4 Rc2 0-1

