[Event "corr"]
[Site "corr"]
[Date "1976.??.??"]
[Round "?"]
[White "Yakovlev, KG."]
[Black "Von Gerkan, Hartwin"]
[Result "0-1"]
[ECO "C09"]
[PlyCount "72"]
[EventDate "1976.??.??"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. Nb3 Bd6 9. 0-0 Nge7 10. Bg5 0-0 11. Bh4 Bg4 12. Be2 Re8 13. Re1 Qb6 14. Nfd4 Bxe2 15. Rxe2 Be5 16. Nxc6 Nxc6 17. c3 a5 18. Bg5 a4 19. Be3 Qc7 20. Nc5 Bxh2+ 21. Kf1 Bd6 22. Nxa4 Qe7 23. Nb6 Qh4 24. Rd2 Qh1+ 25. Ke2 Rxe3+ 26. fxe3 Qxg2+ 27. Kd3 Qe4+ 28. Ke2 Re8 29. Qg1 d4 30. Nd7 Qe6 31. cxd4 Qxd7 32. Rd3 Nb4 33. Rb3 Qe6 34. Qg5 h6 35. Qg2 Qc4+ 36. Kf2 Nd3+ 0-1

[Event "GER-ch43 qual West"]
[Site "Bad Salzuflen"]
[Date "1954.??.??"]
[Round "2"]
[White "Engert, Immo"]
[Black "Von Gerkan, Hartwin"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "99"]
[EventDate "1954.10.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Re1 0-0 13. Nf4 Ne4 14. g3 Bxf4 15. Bxf4 e5 16. Bxe4 dxe4 17. Nxe5 Nxe5 18. Bxe5 Qg6 19. Rc1 Bg4 20. Qb3+ Rf7 21. Rc7 Raf8 22. Rxf7 Rxf7 23. Rc1 Qf5 24. Bf4 g5 25. Rc5 Qxc5 26. dxc5 gxf4 27. gxf4 Bf3 28. Qd5 Kf8 29. Qd8+ Kg7 30. Kf1 Rf6 31. Qe7+ Rf7 32. Qg5+ Kf8 33. Qd8+ Kg7 34. Ke1 Rf5 35. Qe7+ Kg6 36. Qe6+ Rf6 37. f5+ Kg7 38. Qe7+ Rf7 39. Qe5+ Kh6 40. Qe6+ Kg7 41. Kd2 Rf6 42. Qe7+ Rf7 43. Qe5+ Kf8 44. Qd6+ Kg7 45. Qe6 Rf6 46. Qe5 Kf7 47. Qc7+ Kg8 48. Qc8+ Rf8 49. Qe6+ Kg7 50. Ke3 1-0

[Event "FRG-ch M13 corr"]
[Site "GER corr"]
[Date "1954.??.??"]
[Round "?"]
[White "Von Gerkan, Hartwin"]
[Black "Glattacker, Georg"]
[Result "0-1"]
[ECO "E64"]
[PlyCount "62"]
[EventDate "1954.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. g3 g6 6. Bg2 Bg7 7. e4 0-0 8. Nf3 Na6 9. 0-0 Nc7 10. Ne1 Rb8 11. a4 Na6 12. Nd3 Nb4 13. f3 Nxd3 14. Qxd3 Nh5 15. Ne2 Bd7 16. Be3 f5 17. Qd2 a5 18. Kh1 b6 19. f4 fxe4 20. Bxe4 Qe8 21. fxe5 Qxe5 22. Rxf8+ Rxf8 23. Nc3 Nxg3+ 24. hxg3 Qxg3 25. Qd3 Rf5 26. Bxf5 Bxf5 27. Qe2 Bg4 28. Rg1 Bf3+ 29. Rg2 Be5 30. Kg1 Bxg2 31. Qxg2 Qxe3+ 0-1

[Event "GER-ch43 qual West"]
[Site "Bad Salzuflen"]
[Date "1954.??.??"]
[Round "10"]
[White "Von Gerkan, Hartwin"]
[Black "Lachmann, Hans Georg"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "49"]
[EventDate "1954.10.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. b4 cxd4 8. cxd4 Rc8 9. Be3 f5 10. Bd3 Nge7 11. 0-0 Ng6 12. Qd2 Be7 13. Nc3 Nd8 14. Rac1 Rc7 15. Bxf5 exf5 16. Nxd5 Rxc1 17. Rxc1 Qc6 18. Rxc6 bxc6 19. Nxe7 Nxe7 20. d5 Nxd5 21. Bxa7 Be6 22. Nd4 0-0 23. b5 Nc7 24. b6 Nb5 25. b7 1-0

[Event "GER-ch43 qual West"]
[Site "Bad Salzuflen"]
[Date "1954.??.??"]
[Round "3"]
[White "Von Gerkan, Hartwin"]
[Black "Stephan, Werner"]
[Result "1/2-1/2"]
[ECO "D29"]
[PlyCount "55"]
[EventDate "1954.10.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. 0-0 b5 7. Bb3 Bb7 8. Qe2 Nbd7 9. a4 b4 10. Rd1 c5 11. Nbd2 Be7 12. Nc4 Qc7 13. a5 0-0 14. Nfe5 Rfd8 15. Bd2 Bd5 16. Rdc1 Nxe5 17. dxe5 Bxc4 18. Bxc4 Qxe5 19. Be1 Qd6 20. e4 Ne8 21. e5 Qc6 22. Bd3 Rd7 23. f3 Bg5 24. Rc2 Rad8 25. Bxa6 b3 26. Rc3 Nc7 27. Bc4 Bd2 28. Rd3 1/2-1/2

[Event "GER-ch41 Kandidatenturnier Sued"]
[Site "Gernsbach"]
[Date "1952.??.??"]
[Round "4"]
[White "Von Gerkan, Hartwin"]
[Black "Joppen, Egon"]
[Result "0-1"]
[ECO "D72"]
[PlyCount "90"]
[EventDate "1952.10.26"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[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. Nbc3 exd5 11. exd5 Na6 12. Nf4 Nc4 13. Nd3 Bf5 14. Ne4 Qc8 15. Qf3 Re8 16. Re1 Qd7 17. Bg5 Bxe4 18. Rxe4 Nd6 19. Rxe8+ Rxe8 20. Be3 b6 21. Rb1 c4 22. Nf4 Qa4 23. Rd1 Bxb2 24. Nh5 Rxe3 25. fxe3 gxh5 26. Qxh5 Qe8 27. Qg5+ Kh8 28. Bf1 Qe5 29. Qh6 Qe7 30. Rb1 Bg7 31. Qf4 Qe5 32. Qf3 Nc5 33. Bxc4 Nxc4 34. Rc1 Nd6 35. Qg4 h5 36. Qf3 Bh6 37. Rc2 Nce4 38. Rc1 Nd2 39. Qf2 Qxd5 40. e4 N2xe4 41. Qf3 Qd4+ 42. Kg2 f5 43. Rd1 Qb2+ 44. Kf1 Qxh2 45. Rxd6 Nxd6 0-1

