[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.08.03"]
[Round "17"]
[White "Jacob, Alfred"]
[Black "Gromsch, Norbert"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "60"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 c5 5. Be2 0-0 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Bxd4 b6 10. Bf3 Rb8 11. c4 Bb7 12. Nd2 d6 13. Bxb7 Rxb7 14. Qf3 Rb8 15. Ne4 Nxe4 16. Qxe4 Bxd4 17. Qxd4 Qc7 18. Rad1 Rfd8 19. Rd2 Qc5 20. Rfd1 Rdc8 21. Qh4 Re8 22. h3 Qe5 23. Rd5 Qg7 24. Qe4 Qf6 25. R5d2 Rbc8 26. Rd5 Rb8 27. R5d2 Rbc8 28. Rd5 Rb8 29. R5d2 Rbc8 30. Rd5 Rb8 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.08.02"]
[Round "16"]
[White "Dannehr, Juergen"]
[Black "Jacob, Alfred"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "62"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. Nc3 d6 7. d3 Nbd7 8. Qc2 Qc7 9. Bd2 b6 10. b4 Bb7 11. Rac1 Rac8 12. d4 Ba8 13. Qb1 Qb8 14. e4 Ne8 15. Qd3 Qc7 16. Ne2 Qd8 17. d5 c5 18. b5 e5 19. Bh3 Rc7 20. Nh4 Bb7 21. a4 Bc8 22. Ng2 Nb8 23. Bxc8 Qxc8 24. Kh1 f5 25. Nc3 Rcf7 26. f4 Qd7 27. Rce1 exf4 28. Nxf4 Bxc3 29. Bxc3 fxe4 30. Qe2 Nc7 31. Ba1 Qf5 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.08.01"]
[Round "15"]
[White "Jacob, Alfred"]
[Black "Buchal, Stephan"]
[Result "1/2-1/2"]
[ECO "A49"]
[PlyCount "63"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. d4 d6 6. c3 c6 7. Nbd2 Bg4 8. Qb3 Qc7 9. e4 e5 10. h3 Bxf3 11. Bxf3 Nbd7 12. Qc2 Rfe8 13. b3 d5 14. dxe5 Nxe5 15. Bg2 dxe4 16. Nxe4 Nxe4 17. Bxe4 Qd7 18. f4 f5 19. Rd1 Qe7 20. Bg2 Nf7 21. Bb2 Nd6 22. Kh2 Ne4 23. c4 Rad8 24. Bxg7 Qxg7 25. Rxd8 Rxd8 26. Rd1 Rd4 27. Bxe4 fxe4 28. Re1 Qd7 29. Re2 e3 30. Qc3 Rd3 31. Qe5 Qd4 32. Qe8+ 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.31"]
[Round "14"]
[White "Sprotte, Norbert"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "D36"]
[PlyCount "77"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 c6 7. Bd3 0-0 8. Qc2 Nbd7 9. Nf3 Re8 10. 0-0 h6 11. Bf4 Nh5 12. Ne5 Nxe5 13. Bxe5 Rf8 14. Rab1 b6 15. b4 f6 16. Bg3 Nxg3 17. hxg3 Be6 18. Ne2 Qd7 19. Nf4 Bf7 20. Rfc1 g5 21. Ng6 Rfc8 22. Bf5 Bxg6 23. Bxd7 Bxc2 24. Rxc2 Rc7 25. Bxc6 Kf8 26. Bxa8 Rxc2 27. Bxd5 Bd6 28. Kf1 Ke7 29. Bb3 Rc3 30. b5 f5 31. Ke2 f4 32. gxf4 gxf4 33. Rh1 fxe3 34. fxe3 Bb4 35. Rxh6 Rc1 36. Rh7+ Kd6 37. e4 Re1+ 38. Kd3 Rh1 39. e5# 1-0

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.30"]
[Round "12"]
[White "Anhalt, Horst Peter"]
[Black "Jacob, Alfred"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "64"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. f4 g6 2. e3 d5 3. Nf3 Bg7 4. d4 Nf6 5. Bd3 a6 6. 0-0 0-0 7. Nbd2 Nbd7 8. c3 c5 9. Re1 b6 10. Ne5 Bb7 11. Nf1 Ne8 12. Ng3 f5 13. c4 Nxe5 14. fxe5 Kh8 15. b3 e6 16. Bb2 Nc7 17. Rc1 cxd4 18. Bxd4 Ne8 19. Qe2 f4 20. exf4 dxc4 21. Rxc4 b5 22. Be3 bxc4 23. bxc4 Rf7 24. Rf1 Nc7 25. f5 exf5 26. Nxf5 gxf5 27. Rxf5 Rxf5 28. Bxf5 Bxe5 29. Bxh7 Qh4 30. Bh6 Qxh2+ 31. Kf1 Qxg2+ 32. Ke1 Qxe2+ 0-1

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.30"]
[Round "13"]
[White "Jacob, Alfred"]
[Black "Muth, Armin"]
[Result "1/2-1/2"]
[ECO "E65"]
[PlyCount "62"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 0-0 5. 0-0 d6 6. c4 c5 7. dxc5 dxc5 8. Nc3 Nc6 9. Bf4 Nd4 10. Be5 Nc6 11. Qxd8 Rxd8 12. Bc7 Rd7 13. Bf4 Nd4 14. Nxd4 cxd4 15. Ne4 Nxe4 16. Bxe4 e5 17. Bd2 f5 18. Bd5+ Kh8 19. e4 fxe4 20. Bxe4 Rc7 21. b3 Bf5 22. f3 Rf8 23. Rad1 Bxe4 24. fxe4 Rcf7 25. Rxf7 Rxf7 26. Rf1 Kg8 27. Rxf7 Kxf7 28. Kf2 Bf8 29. Ke2 Ke6 30. Kd3 b6 31. g4 a5 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.29"]
[Round "11"]
[White "Neis, Dieter"]
[Black "Jacob, Alfred"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "60"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. Nf3 0-0 6. Bd3 c6 7. 0-0 Nbd7 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Bf6 11. Qe2 g6 12. Rd1 Re8 13. Be3 Bg7 14. Rac1 Nf6 15. Bb1 b6 16. Ne5 Bb7 17. f4 Qe7 18. Qf2 Rac8 19. Rd2 Nd7 20. Rcd1 Red8 21. b3 f6 22. Nxd7 Rxd7 23. Be4 Qe8 24. Bf3 Rcd8 25. g3 Kh8 26. Qg2 Rc7 27. Qf2 Rcd7 28. Qg2 Rc7 29. Qf2 Rcd7 30. Qg2 Rc7 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.28"]
[Round "10"]
[White "Jacob, Alfred"]
[Black "Reich, Alfred1111"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "108"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 f5 2. b3 Nf6 3. Bb2 e6 4. c4 Be7 5. e3 0-0 6. Be2 b6 7. 0-0 Bb7 8. d4 Ne4 9. Ne1 Qe8 10. Bh5 Qd8 11. Bf3 d6 12. Nc3 Nd7 13. g3 Nxc3 14. Bxc3 Bxf3 15. Qxf3 Nf6 16. Rd1 Qe8 17. Nd3 g5 18. Qg2 Ne4 19. Bb2 g4 20. Ne1 Qh5 21. f4 Qg6 22. Nd3 Bf6 23. Nf2 Nxf2 24. Rxf2 Qe8 25. Re2 Qd7 26. e4 Rfe8 27. Rde1 d5 28. exd5 exd5 29. Qxd5+ Qxd5 30. cxd5 Rxe2 31. Rxe2 Rd8 32. Rc2 Rd7 33. d6 cxd6 34. d5 Bxb2 35. Rxb2 Rc7 36. Rd2 Kf7 37. Kf2 Rc3 38. Ke2 b5 39. Kd1 a5 40. Rd4 Ke7 41. Kd2 Rf3 42. Kc2 Kd7 43. Rd3 Rf2+ 44. Rd2 Rxd2+ 45. Kxd2 b4 46. Kd3 Kc7 47. Ke2 Kb6 48. Kd3 Kc5 49. Ke3 Kxd5 50. Kd3 Kc5 51. Ke3 d5 52. Kd3 d4 53. Kd2 Kd5 54. Kd3 h6 0-1

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.26"]
[Round "9"]
[White "Kiffmeyer, Constanz"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "33"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 e6 5. Nf3 Ne7 6. Bd3 d5 7. e5 a6 8. Be3 Nd7 9. 0-0 b6 10. b4 Bb7 11. Qe2 b5 12. g4 Nc6 13. a3 Nb6 14. f5 Bxe5 15. dxe5 Nxe5 16. Nxe5 d4 17. fxe6 1-0

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.25"]
[Round "8"]
[White "Jacob, Alfred"]
[Black "Boehm, Martin"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "125"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. d4 d6 6. 0-0 Nbd7 7. Nc3 c6 8. e3 Re8 9. Bd2 Qc7 10. Rc1 e5 11. Qc2 Nf8 12. dxe5 dxe5 13. e4 Bd7 14. b4 Qc8 15. Ne1 Ne6 16. Ne2 Rd8 17. Bc3 Ne8 18. Rd1 f6 19. Nd3 c5 20. a3 b6 21. b5 Nd4 22. Bxd4 cxd4 23. a4 a6 24. Rc1 axb5 25. axb5 Nc7 26. c5 Nxb5 27. Qb3+ Kh8 28. c6 Bxc6 29. Nb4 Na7 30. Nxc6 Nxc6 31. Qxb6 Ra6 32. Qc5 Qa8 33. Rcd1 Bf8 34. Qb5 Ra5 35. Qb3 Qa6 36. Nc1 Nb4 37. h4 Rc8 38. Qf7 Bg7 39. h5 Qc4 40. hxg6 Qxf7 41. gxf7 Rf8 42. f4 Ra7 43. fxe5 fxe5 44. Bh3 Raxf7 45. Rxf7 Rxf7 46. Bf5 Rc7 47. Nd3 Nxd3 48. Rxd3 Rc3 49. Rd1 Rxg3+ 50. Kf2 Rb3 51. Rh1 h6 52. Rc1 Rb8 53. Kf3 Bf6 54. Rc7 Kg8 55. Be6+ Kh8 56. Rf7 Bg5 57. Rd7 Rd8 58. Kg4 Rxd7 59. Bxd7 d3 60. Kf5 Bf4 61. Be8 d2 62. Bh5 Kg7 63. Ke6 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.24"]
[Round "7"]
[White "Budde, Vladimir"]
[Black "Jacob, Alfred"]
[Result "1/2-1/2"]
[ECO "B75"]
[PlyCount "113"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nbd7 8. Qd2 a6 9. 0-0-0 h6 10. Bc4 Qc7 11. Bb3 b5 12. Rhe1 Bb7 13. Kb1 Ne5 14. f4 b4 15. Nd5 Nxd5 16. exd5 Ng4 17. Ba4+ Kf8 18. Nc6 Nxe3 19. Rxe3 Bxc6 20. Bxc6 Rb8 21. g4 Bf6 22. Rf3 g5 23. Rdf1 Kg7 24. h4 Rbf8 25. hxg5 hxg5 26. fxg5 Be5 27. Qxb4 Rh4 28. Qe4 Qb6 29. Rb3 Qd4 30. Qxd4 Bxd4 31. Bd7 Kg6 32. c3 Be5 33. Rb7 Kxg5 34. Rf5+ Kg6 35. Rxe5 dxe5 36. Bf5+ Kf6 37. Rb6+ Kg5 38. c4 e4 39. c5 e3 40. Kc2 Rh2+ 41. Kd3 Rd2+ 42. Kxe3 Rxd5 43. c6 e6 44. Be4 Rc5 45. Bf3 a5 46. Rb7 e5 47. a3 a4 48. Rb4 Ra5 49. Be4 Rc8 50. Rb7 Kf6 51. Kd3 Rd8+ 52. Ke3 Rc8 53. Rb4 Rc7 54. Kd3 Ke7 55. Kc4 Kd6 56. Rb5 Rca7 57. Rb8 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.24"]
[Round "6"]
[White "Jacob, Alfred"]
[Black "Borngaesser, Rene"]
[Result "1/2-1/2"]
[ECO "E17"]
[PlyCount "72"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. d4 Bb7 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 c5 8. dxc5 bxc5 9. Qc2 Nc6 10. a3 Rc8 11. Rd1 d6 12. e3 Qc7 13. b3 Qb8 14. Rb1 Qa8 15. Ne1 Rfd8 16. Bb2 Ne5 17. e4 Nc6 18. Ne2 a5 19. f3 a4 20. bxa4 e5 21. Bh3 Rc7 22. Nc3 Nd4 23. Qd3 Bc6 24. Nb5 Rb7 25. Bxd4 cxd4 26. Qb3 Qa5 27. Nd3 Ra8 28. Nb2 Nd7 29. Bxd7 Rxd7 30. Qd3 Bd8 31. c5 dxc5 32. Nc4 Qxa4 33. Nxe5 Bxb5 34. Qxb5 Qxb5 35. Rxb5 Rc7 36. Rc1 Be7 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.23"]
[Round "5"]
[White "Nippgen, Georg"]
[Black "Jacob, Alfred"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "136"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 Ne8 7. Be3 c6 8. Bd3 Nc7 9. h4 dxe5 10. dxe5 Bf5 11. Bxf5 Qxd1+ 12. Rxd1 gxf5 13. Bc5 Re8 14. Nd4 e6 15. Rh3 Nba6 16. Bd6 Rac8 17. Nce2 c5 18. Nb3 b6 19. c4 f6 20. Ng3 fxe5 21. fxe5 Red8 22. Nh5 Ne8 23. Rg3 Kf7 24. Nd2 Nb4 25. Nf3 h6 26. a3 Nc6 27. b4 cxb4 28. axb4 a5 29. c5 bxc5 30. bxc5 Rd7 31. Rb1 Bh8 32. Rb6 Nxd6 33. exd6 Ne5 34. Nf4 Nxf3+ 35. Rxf3 Rxc5 36. h5 Bc3+ 37. Ke2 Bb4 38. Re3 Rc2+ 39. Kf3 Rc3 40. Rxc3 Bxc3 41. Nd3 Bd4 42. Ra6 e5 43. Ke2 Ke6 44. Rxa5 Rxd6 45. Ra4 Kf6 46. Ra8 Kg5 47. Rf8 Rb6 48. Re8 e4 49. Rg8+ Kf6 50. Nf4 Rb2+ 51. Ke1 Kf7 52. Ra8 Bc3+ 53. Kf1 Rb1+ 54. Ke2 Re1+ 55. Kf2 e3+ 56. Kf3 Bd4 57. g3 Rf1+ 58. Ke2 Rf2+ 59. Kd3 Rd2+ 60. Kc4 Be5 61. Ra7+ Ke8 62. Ra8+ Kd7 63. Ra7+ Kd8 64. Ra8+ Kc7 65. Re8 Bxf4 66. gxf4 Rf2 67. Rxe3 Rxf4+ 68. Kd5 Rh4 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.22"]
[Round "4"]
[White "Jacob, Alfred"]
[Black "Peine, Thomas"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "101"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. 0-0 Nc6 5. c3 e5 6. e4 Nge7 7. d3 0-0 8. Be3 d6 9. Ne1 f5 10. f3 Be6 11. Nc2 Rb8 12. Nd2 b5 13. b3 Qa5 14. c4 a6 15. Kh1 Nd4 16. Bxd4 cxd4 17. Nb1 fxe4 18. fxe4 Rxf1+ 19. Qxf1 Bg4 20. h3 Rf8 21. Qe1 Qxe1+ 22. Nxe1 Be2 23. cxb5 axb5 24. Na3 b4 25. Nc4 d5 26. exd5 Rd8 27. Kg1 g5 28. d6 Nc8 29. g4 h5 30. Kf2 hxg4 31. Kxe2 gxh3 32. Bxh3 Nxd6 33. Nxd6 Rxd6 34. Bg2 Ra6 35. Be4 Kf7 36. Nc2 Bf8 37. Bd5+ Kf6 38. Bc4 Ra7 39. Kf3 Kf5 40. Bd5 Kf6 41. Kg4 Be7 42. Ne1 Bd8 43. Nf3 Ke7 44. Be4 Kd6 45. Rc1 Rxa2 46. Rc6+ Ke7 47. Nxe5 Rb2 48. Bd5 Rb1 49. Re6+ Kf8 50. Nf3 Rd1 51. Bc4 1-0

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.21"]
[Round "3"]
[White "Steinbacher, Matthias"]
[Black "Jacob, Alfred"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "92"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 b6 7. d5 Bb7 8. Nd4 Re8 9. Bg5 c5 10. Nc2 Nfd7 11. 0-0 f6 12. Be3 Ne5 13. f4 Nf7 14. h4 Nd7 15. Bg4 Bc8 16. Be6 Nf8 17. Bxf7+ Kxf7 18. e5 Kg8 19. e6 f5 20. g4 Nxe6 21. dxe6 Bxe6 22. Qe2 fxg4 23. Bd2 Bf5 24. Ne3 e6 25. Qh2 h5 26. Nxf5 gxf5 27. Rad1 d5 28. cxd5 exd5 29. Be1 d4 30. Qc2 Qd7 31. Ne2 Kh7 32. Ng3 Kg6 33. b4 Rac8 34. bxc5 bxc5 35. Qc4 Bf6 36. Ne2 Qc6 37. Bf2 Qe4 38. Rfe1 Qc6 39. Nc1 Qf3 40. Ne2 Re4 41. Rd3 Re3 42. Bxe3 dxe3 43. Qe6 Qf2+ 44. Kh1 Qxe1+ 45. Ng1 Qxh4+ 46. Kg2 Qf2+ 0-1

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.20"]
[Round "2"]
[White "Jacob, Alfred"]
[Black "Hurst, Peter"]
[Result "1/2-1/2"]
[ECO "D79"]
[PlyCount "73"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. 0-0 c6 6. d4 d5 7. cxd5 cxd5 8. Nc3 Nc6 9. Bf4 Nh5 10. Be3 e6 11. Rc1 Bd7 12. b3 Rc8 13. Na4 b6 14. Qd2 Qe7 15. Nb2 Qb4 16. Rc3 Qe7 17. Nd3 Nf6 18. Bg5 h6 19. Bxf6 Qxf6 20. e3 Qe7 21. Rfc1 Na5 22. Rxc8 Rxc8 23. Rxc8+ Bxc8 24. Qb4 Qxb4 25. Nxb4 Bf8 26. Nc2 Nc6 27. Bf1 Bd6 28. Nfe1 Kf8 29. f3 Ke7 30. Kf2 Kd7 31. Bd3 Nb8 32. Ke2 Ba6 33. f4 Kc6 34. h4 Bxd3+ 35. Nxd3 Nd7 36. Nf2 Nf6 37. Kf3 1/2-1/2

[Event "GER U20-ch"]
[Site "Uelzen"]
[Date "1970.07.19"]
[Round "1"]
[White "Sandmeier, Toni"]
[Black "Jacob, Alfred"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "46"]
[EventDate "1970.07.19"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. cxd5 cxd5 5. Nf3 Bf5 6. Qb3 b6 7. Bf4 a6 8. Bxb8 Rxb8 9. Qa4+ b5 10. Qxa6 b4 11. Nb5 Bd7 12. e3 Rb6 13. Qa5 Rxb5 14. Qxb5 Bxb5 15. Bxb5+ Nd7 16. Ne5 Qb6 17. Bxd7+ Kd8 18. Rc1 e6 19. Rc6 Qb7 20. Rc8+ Ke7 21. 0-0 g6 22. Rfc1 Bg7 23. R1c7 Rxc8 0-1

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.10"]
[Round "17"]
[White "Jacob, Alfred"]
[Black "Middendorf, Ferdinand"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "69"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. Nf3 Bg4 5. Be2 Nf6 6. exd5 cxd5 7. Ne5 Bxe2 8. Nxe2 Nc6 9. Nxc6 bxc6 10. Bf4 Bg7 11. Be5 0-0 12. 0-0 Qb6 13. Rb1 c5 14. c3 Rfd8 15. h3 cxd4 16. Qxd4 Qxd4 17. Nxd4 Ne4 18. Bxg7 Kxg7 19. Rfd1 Rac8 20. f3 Nd6 21. Rbc1 h5 22. Kf2 h4 23. Ne2 e6 24. b3 Nf5 25. Rd3 Rd6 26. Nd4 Ne7 27. f4 Kf6 28. Ne2 Nf5 29. Nd4 Ng3 30. Nf3 Nf5 31. Nd4 a5 32. Nxf5 Kxf5 33. Kf3 Rdc6 34. c4 f6 35. Ke3 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.09"]
[Round "16"]
[White "Malcher, Werner"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "41"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 b6 8. g3 Nd7 9. Bg2 Rc8 10. 0-0 e6 11. Nd2 Be7 12. e4 Bg6 13. Bb2 0-0 14. f4 h5 15. Nc4 Nf6 16. Rae1 h4 17. Ne5 Bh5 18. Bh3 Nd7 19. Nxd7 Qxd7 20. f5 Qd6 21. e5 1-0

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.08"]
[Round "15"]
[White "Jacob, Alfred"]
[Black "Schoessler, Alfred"]
[Result "1/2-1/2"]
[ECO "A53"]
[PlyCount "16"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f3 e5 5. d5 e4 6. g4 Nxg4 7. fxg4 Qh4+ 8. Kd2 e3+ 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.07"]
[Round "14"]
[White "Borngaesser, Rene"]
[Black "Jacob, Alfred"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "111"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Nxc6 bxc6 8. e5 Ng8 9. Qf3 f5 10. Bf4 Qa5 11. 0-0 Ba6 12. Bxa6 Qxa6 13. g4 fxg4 14. Qxg4 Nh6 15. Bxh6 Bxh6 16. Rad1 Rd8 17. Rd3 0-0 18. Rh3 Rf4 19. Qg2 Bg7 20. Ne4 Qe2 21. Re3 Qxc2 22. f3 Qxg2+ 23. Kxg2 Bxe5 24. Rb3 Rb8 25. Rxb8+ Bxb8 26. Rc1 Kf8 27. Rc3 Rf5 28. a4 Bc7 29. b4 Bb6 30. Kf1 Rd5 31. Rb3 Rd1+ 32. Kg2 Ra1 33. a5 Bc7 34. Rb2 Be5 35. Rd2 Bd6 36. Nxd6 exd6 37. Rxd6 Ke7 38. Rd4 Ra4 39. Re4+ Kf6 40. Rf4+ Kg7 41. Re4 Kf6 42. Rf4+ Ke7 43. Rh4 h5 44. Rc4 Kd6 45. Rd4+ Kc7 46. Rc4 d6 47. Rf4 c5 48. Rf7+ Kc6 49. bxc5 dxc5 50. Rxa7 c4 51. Ra6+ Kb5 52. Rxg6 c3 53. Rb6+ Kxa5 54. Rc6 Kb4 55. f4 Kb3 56. f5 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.06"]
[Round "13"]
[White "Schulze, Ulrich"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "D74"]
[PlyCount "127"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 d5 7. cxd5 Nxd5 8. d4 Nxc3 9. bxc3 Nd7 10. Rb1 Nf6 11. Qb3 Nd7 12. Bf4 b6 13. e4 Bb7 14. e5 e6 15. Bg5 Qc8 16. Nd2 h6 17. Be7 Re8 18. Bd6 Bf8 19. Ne4 Kg7 20. f4 Rd8 21. g4 Re8 22. f5 Qd8 23. Bxf8+ Rxf8 24. fxe6 fxe6 25. Qxe6 Ba6 26. c4 Qe8 27. Qxe8 Raxe8 28. Nd6 Re7 29. Bxc6 Nxe5 30. dxe5 Rxe5 31. Rxf8 Kxf8 32. Bb5 Bxb5 33. Nxb5 Re4 34. h3 Re2 35. Nxa7 Rxa2 36. Nc8 Ra3 37. Nxb6 Rxh3 38. Kg2 Rc3 39. Rf1+ Kg7 40. Rf3 Rc2+ 41. Kg3 g5 42. Rd3 Rc1 43. Kf3 Kf6 44. Nd5+ Ke5 45. Ne3 Ke6 46. Rd1 Rc3 47. Ke4 Ra3 48. Rh1 h5 49. Rxh5 Kf6 50. Rh6+ Kg7 51. Rd6 Rc3 52. Rd3 Rc1 53. Kf5 Kh6 54. Rd6+ Kh7 55. Rd7+ Kh6 56. Kf6 Rf1+ 57. Nf5+ Rxf5+ 58. gxf5 Kh5 59. Ke5 Kg4 60. f6 Kh3 61. f7 g4 62. f8Q g3 63. Qf3 Kh4 64. Rg7 1-0

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.05"]
[Round "12"]
[White "Jacob, Alfred"]
[Black "Feustel, Bernd"]
[Result "1/2-1/2"]
[ECO "B45"]
[PlyCount "64"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. f3 d5 8. Nxc6 bxc6 9. e5 Nd7 10. f4 c5 11. a3 Ba5 12. Bd2 Bxc3 13. bxc3 Rb8 14. Be2 Bb7 15. 0-0 0-0 16. Qe1 Qe7 17. Qg3 f5 18. h3 Bc6 19. Qf2 Rb2 20. Bd1 Rfb8 21. g4 Rb1 22. Bf3 Rxf1+ 23. Rxf1 Rb2 24. Bc1 Ra2 25. c4 Nb6 26. cxd5 Bxd5 27. Bxd5 Nxd5 28. gxf5 exf5 29. Qf3 Qe6 30. Rd1 Rxc2 31. Qxd5 Qxd5 32. Rxd5 Rxc1+ 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.04"]
[Round "11"]
[White "Bastian, Herbert"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "107"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. c3 Bg7 4. Bd3 c5 5. f4 Bd7 6. Ne2 cxd4 7. cxd4 Qb6 8. Be3 Nc6 9. Nbc3 e6 10. Qd2 Nxd4 11. 0-0 Nxe2+ 12. Bxe2 Qb4 13. e5 Ne7 14. a3 Qb3 15. Bd1 Qc4 16. b3 Qc8 17. Rc1 0-0 18. Nb5 Bc6 19. Nxd6 Qd7 20. Qf2 b6 21. Be2 f6 22. exf6 Bxf6 23. Rfd1 Nd5 24. Nc4 Qb7 25. Bg4 Bd7 26. Nd6 Qb8 27. Ne4 Qe8 28. Bf3 Bc6 29. Nxf6+ Rxf6 30. Bd4 Rxf4 31. Bxd5 Rxf2 32. Bxc6 Qf8 33. Bxf2 Rd8 34. Bd7 Kg7 35. Rc7 Kh6 36. Be3+ Kh5 37. g4+ Kh4 38. Bf2+ Kg5 39. h4+ Kf6 40. Bd4+ Ke7 41. Bb5+ Kd6 42. Bxb6+ Ke5 43. Rc5+ Rd5 44. Bc7+ Ke4 45. Rc4+ Ke3 46. Rc3+ Ke4 47. Re1+ Kd4 48. Rd3+ Kc5 49. Rxd5+ Kxd5 50. Bc4+ Kc6 51. Bg3 Qc5+ 52. Kh2 Qxa3 53. Rxe6+ Kd7 54. Ra6 1-0

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.03"]
[Round "10"]
[White "Jacob, Alfred"]
[Black "Kiffmeyer, Constanz"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "101"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 h6 7. Nd6+ Bxd6 8. Qxd6 Qe7 9. Qd1 0-0 10. Bd3 a6 11. 0-0 b5 12. f4 d6 13. f5 Nb4 14. a3 Nxd3 15. cxd3 d5 16. Qf3 Bb7 17. Qg3 Kh7 18. Qh4 dxe4 19. dxe4 Qc5+ 20. Kh1 Qc6 21. Re1 Rad8 22. Bg5 Rd4 23. Bxf6 Qxf6 24. Qxf6 gxf6 25. Re2 Rc8 26. Kg1 Rcc4 27. Rae1 Bc6 28. Kf2 a5 29. Kf3 b4 30. axb4 axb4 31. Nb1 Ba4 32. Nd2 Rc2 33. b3 Bb5 34. Nc4 Rxe2 35. Rxe2 Bxc4 36. bxc4 Rxc4 37. Ra2 b3 38. Rb2 Rb4 39. Ke3 h5 40. Kf3 Kh6 41. h3 Kg5 42. g4 h4 43. Ke3 Rb7 44. Kf3 Rb6 45. Ke3 Rb4 46. Kf3 Kh6 47. Ke3 Kg7 48. Kf3 Kg8 49. Ke3 Kf8 50. Kf3 Ke7 51. Ke3 0-1

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.02"]
[Round "9"]
[White "Peine, Thomas"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "71"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. f3 Nbd7 6. Nge2 c6 7. a4 d5 8. Bb3 dxe4 9. fxe4 Qa5 10. 0-0 0-0 11. e5 Nd5 12. Nxd5 cxd5 13. Bd2 Qd8 14. Bb4 a5 15. Ba3 Nb6 16. Nc3 f5 17. Qf3 Be6 18. Ne2 Qd7 19. Nf4 Rfc8 20. Rfe1 Nc4 21. Re2 Ra6 22. Bxc4 Rxc4 23. Bc5 Rxa4 24. Rxa4 Qxa4 25. Nxe6 Rxe6 26. Qxd5 Kf7 27. Qxb7 Qc4 28. Kf1 Bxe5 29. b3 Qc3 30. Qd5 Qa1+ 31. Re1 Qxe1+ 32. Kxe1 Bxd4+ 33. Kf1 Bc3 34. Bd4 Bb4 35. Bb6 Bd6 36. c4 1-0

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.08.01"]
[Round "8"]
[White "Jacob, Alfred"]
[Black "Rostalski, Walter"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "40"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Be2 Bd6 7. d3 Nbd7 8. Nbd2 e5 9. a3 0-0 10. Nh4 Be6 11. e4 g6 12. Nhf3 Nh5 13. g3 d4 14. h4 h6 15. Nh2 Ng7 16. Ndf3 f6 17. Qd2 g5 18. Nf1 Kf7 19. hxg5 hxg5 20. N3h2 c5 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.31"]
[Round "7"]
[White "Pommerening, Michael"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "61"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. g3 Nf6 3. Bg2 g6 4. Ne2 Bg7 5. 0-0 0-0 6. c3 c5 7. f4 Nc6 8. d3 a6 9. Na3 Rb8 10. Nc2 Bd7 11. Ne3 Ne8 12. f5 b5 13. Bd2 Nc7 14. Ng4 h5 15. Nh6+ Bxh6 16. Bxh6 Re8 17. Nf4 e5 18. fxg6 Bg4 19. gxf7+ Kh7 20. fxe8Q Qxe8 21. Ne2 Kxh6 22. Qd2+ Kg6 23. h3 Be6 24. h4 Qe7 25. Rf2 Rg8 26. Raf1 Ne8 27. Kh2 Nd8 28. Bh3 Kh7 29. Bf5+ Bxf5 30. Rxf5 Ng7 31. Rf6 1-0

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.30"]
[Round "6"]
[White "Jacob, Alfred"]
[Black "Schulze, Hubertus"]
[Result "1/2-1/2"]
[ECO "D79"]
[PlyCount "42"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c6 3. c4 g6 4. Bg2 Bg7 5. d4 0-0 6. 0-0 d5 7. cxd5 cxd5 8. Nc3 Nc6 9. b3 Re8 10. Bb2 e6 11. e3 a6 12. Na4 Bf8 13. Rc1 Nd7 14. Ne1 Nb6 15. Nc5 a5 16. a4 Nd7 17. Ncd3 Ndb8 18. Nc5 Nd7 19. Ncd3 Ndb8 20. Nc5 Nd7 21. Ncd3 Ndb8 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.29"]
[Round "5"]
[White "Jacob, Alfred"]
[Black "Schmidt, Bodo"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "79"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. d4 e6 5. Bd3 Be7 6. 0-0 0-0 7. Nbd2 Nbd7 8. b3 Ne8 9. e4 dxe4 10. Nxe4 Nef6 11. Ng3 c5 12. Bb2 b6 13. Qc2 Bb7 14. Ng5 h6 15. N5e4 cxd4 16. Bxd4 Nc5 17. Bxc5 Bxc5 18. Nxf6+ Qxf6 19. Be4 Bxe4 20. Nxe4 Qg6 21. Qe2 Bd4 22. Rad1 Rad8 23. Ng3 Rd7 24. Rfe1 Rfd8 25. Kf1 Qg5 26. Qc2 Qh4 27. h3 Qf6 28. Rd2 e5 29. Qf5 Qc6 30. Qe4 Qxe4 31. Nxe4 f6 32. Red1 Kf7 33. Ng3 Ke6 34. Ne2 Bb2 35. Rxd7 Rxd7 36. Rxd7 Kxd7 37. Ng3 Ke6 38. Ke2 f5 39. Nf1 Bd4 40. Ne3 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.28"]
[Round "4"]
[White "Kornrumpf, Joachim"]
[Black "Jacob, Alfred"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "100"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. Nge2 Nbd7 6. 0-0 0-0 7. f4 c5 8. d5 a6 9. a4 Qc7 10. Ng3 Rb8 11. Be3 c4 12. Be2 Ne8 13. f5 Ne5 14. Qd2 Nf6 15. h3 Bd7 16. a5 Kh8 17. Kh2 Rbe8 18. Bb6 Qc8 19. Rf2 Rg8 20. Raf1 h6 21. fxg6 fxg6 22. Bd4 Nf7 23. Nd1 Ng5 24. Rf4 Ngh7 25. Qc3 Bb5 26. Ne3 h5 27. Bxc4 Bxc4 28. Nxc4 g5 29. Rf5 h4 30. Ne2 Nxe4 31. Bxg7+ Rxg7 32. Qb4 Nhf6 33. c3 Qc5 34. Qxc5 Nxc5 35. Nd4 Nce4 36. Ne6 Rg6 37. Nb6 Ng3 38. Rxf6 Rxf6 39. Re1 Rf5 40. Nd7 Kh7 41. Nc7 Rg8 42. Ne6 Rf1 43. Rxf1 Nxf1+ 44. Kg1 Ne3 45. b3 Nxd5 46. c4 Nf4 47. Nd4 Kg6 48. Kf2 Nd3+ 49. Ke3 Nc5 50. Nb6 e5 0-1

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.27"]
[Round "3"]
[White "Roeder, Frank"]
[Black "Jacob, Alfred"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "68"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. c4 Bg7 5. Nc3 0-0 6. Nge2 c5 7. d5 Nbd7 8. f3 Ne5 9. Be3 a6 10. Nf4 Nxd3+ 11. Qxd3 Nd7 12. g4 Qb6 13. Qc2 Qb4 14. h4 Ne5 15. h5 Qxc4 16. Qg2 g5 17. Nfe2 h6 18. 0-0 Qb4 19. a3 Qa5 20. Rad1 b5 21. Ng3 Nc4 22. Bc1 Nxa3 23. Nce2 Nc4 24. f4 f6 25. fxg5 fxg5 26. Rxf8+ Kxf8 27. Rf1+ Bf6 28. Bxg5 hxg5 29. h6 Bxg4 30. h7 Kg7 31. Nf5+ Bxf5 32. Rxf5 Qe1+ 33. Rf1 Qh4 34. Nf4 Bd4+ 0-1

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.26"]
[Round "2"]
[White "Jacob, Alfred"]
[Black "Wiedemann, Franz"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "99"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Bg4 5. 0-0 Nf6 6. c3 Qd7 7. Bg5 Be7 8. d4 Bxf3 9. Bxf3 e4 10. Bg2 0-0 11. f3 exf3 12. exf3 h6 13. Be3 Na5 14. Nd2 b5 15. Qc2 Rac8 16. b4 Nc4 17. Nxc4 bxc4 18. g4 Nh7 19. h3 f5 20. Qe2 f4 21. Bf2 Rce8 22. Qc2 Bf6 23. Rfe1 c6 24. a4 Rxe1+ 25. Rxe1 Bd8 26. a5 Re8 27. Bf1 Rxe1 28. Bxe1 Qe6 29. Qe2 Kf7 30. Qxe6+ Kxe6 31. Bd2 Bg5 32. Kf2 Nf8 33. Ke2 Ng6 34. Kd1 Bh4 35. Kc2 Bg3 36. Kb2 a6 37. Ka3 Ne7 38. h4 Ng6 39. h5 Ne7 40. Kb2 Kf6 41. Ka3 Ke6 42. Kb2 Kd6 43. Be2 Nc8 44. Bd1 Ke7 45. Ba4 Na7 46. Kc2 Kf6 47. Kd1 Kg5 48. Ke2 Kh4 49. Bc2 Bh2 50. Bf5 1/2-1/2

[Event "GER U20-ch"]
[Site "Hamburg"]
[Date "1969.07.25"]
[Round "1"]
[White "Floeel, Helmut"]
[Black "Jacob, Alfred"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "63"]
[EventDate "1969.07.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 Bg7 4. Bg2 c6 5. e4 d6 6. Nge2 Nbd7 7. 0-0 0-0 8. d3 e5 9. f4 exf4 10. Bxf4 Ne5 11. Qd2 Nh5 12. h3 Be6 13. Kh2 Nxf4 14. gxf4 Qh4 15. fxe5 Bxe5+ 16. Nf4 g5 17. Nce2 Bxh3 18. Bxh3 g4 19. Qe3 f5 20. d4 Bxf4+ 21. Rxf4 Rae8 22. e5 dxe5 23. dxe5 Qxh3+ 24. Qxh3 gxh3 25. Rg1+ Kh8 26. Nd4 Rxe5 27. Rgf1 Rg8 28. Kxh3 Re3+ 29. R4f3 Re4 30. Nxf5 Rxc4 31. Nd6 Rcg4 32. Nf7+ 1-0

