[Event "Liberec op 17th"]
[Site "Liberec"]
[Date "2017.02.27"]
[Round "4"]
[White "Hallaeva, Bahar"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2112"]
[BlackElo "1781"]
[PlyCount "67"]
[EventDate "2017.02.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 e6 5. Nc3 a6 6. a4 Nf6 7. Nf3 Be7 8. Bd3 b6 9. 0-0 Bb7 10. Qe2 Nbd7 11. Bf4 Nh5 12. Be3 Nhf6 13. Rfd1 Qb8 14. Rac1 0-0 15. h3 Re8 16. Nd2 Bf8 17. f4 g6 18. Qf2 Qd8 19. Nf3 Bg7 20. Ng5 h6 21. Nf3 Rc8 22. Kh2 d5 23. e5 Ne4 24. Qe2 Nxc3 25. bxc3 Nb8 26. g4 Qd7 27. Rg1 Qxa4 28. f5 exf5 29. gxf5 g5 30. f6 Bxf6 31. exf6 Qc6 32. Nxg5 Rxe3 33. Ne6+ Kh8 34. Qxe3 1-0

[Event "GER HL-120 email"]
[Site "GER email"]
[Date "2006.05.23"]
[Round "?"]
[White "Petersohn, Horst"]
[Black "Boecker, Marcus"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1842"]
[BlackElo "1592"]
[PlyCount "108"]
[EventDate "2006.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c6 6. c4 d5 7. Qb3 dxc4 8. Qxc4 Qb6 9. Nbd2 Be6 10. Qc2 Nbd7 11. e4 Rad8 12. Rd1 Qb5 13. Nf1 Qc4 14. Qb1 Qe2 15. Re1 Qa6 16. Bg5 h6 17. Bd2 Qb6 18. Qc2 Bg4 19. Bc3 Ne8 20. Qd2 Qc7 21. Ne3 Bxf3 22. Bxf3 Nd6 23. a4 e5 24. d5 Nf6 25. Qc2 cxd5 26. exd5 e4 27. Bg2 Rc8 28. Qd2 Qd8 29. Rad1 Re8 30. Bh3 Rc7 31. b3 b6 32. Qb2 Kh7 33. Rc1 Qe7 34. Red1 Nh5 35. Bxg7 Nxg7 36. Rxc7 Qxc7 37. Ng4 Nh5 38. Qc1 Qxc1 39. Rxc1 Kg7 40. Rc7 a5 41. Rc6 Rd8 42. Rxb6 Nf5 43. Bg2 Nd4 44. d6 Nf6 45. Ne5 Kf8 46. Kf1 Nd5 47. Rb7 f5 48. Nc4 Nf6 49. h4 g5 50. hxg5 hxg5 51. Ke1 Ne8 52. Rb6 Nf6 53. Nxa5 Nd5 54. Nc6 Nc2+ 0-1

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.27"]
[Round "7"]
[White "Petersohn, Horst"]
[Black "Thieme, Hans"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1668"]
[BlackElo "2011"]
[PlyCount "37"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 h6 5. Bxf6 Qxf6 6. Nbd2 cxd4 7. exd4 Be7 8. Ne4 Qf5 9. Bd3 Qa5+ 10. c3 d5 11. Ng3 Nc6 12. 0-0 Bd7 13. a3 Qc7 14. Re1 g6 15. c4 dxc4 16. Bxc4 0-0 17. Rc1 Bf6 18. Qd2 Kh7 19. Red1 1/2-1/2

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.25"]
[Round "9"]
[White "Kurz, Rudolf"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1785"]
[BlackElo "1668"]
[PlyCount "53"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Be3 e6 6. c3 Nge7 7. Nd2 Qc7 8. Bd3 Ng6 9. Rc1 Be7 10. 0-0 0-0 11. f4 d6 12. Qh5 Qa5 13. e5 dxe5 14. Nxc6 bxc6 15. Nc4 Qc7 16. Nxe5 Bd6 17. Rf3 Bxe5 18. fxe5 Qd8 19. Rh3 h6 20. Bxh6 gxh6 21. Bxg6 Qg5 22. Bxf7+ Rxf7 23. Rg3 Rf5 24. Rxg5+ hxg5 25. Qe8+ Kg7 26. Qxc6 Rb8 27. Qc7+ 1-0

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.24"]
[Round "8"]
[White "Schenk, Dieter"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1886"]
[BlackElo "1668"]
[PlyCount "61"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[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. Be3 Bg7 5. f3 0-0 6. Qd2 Re8 7. 0-0-0 a6 8. g4 Nbd7 9. h4 Nf8 10. h5 b5 11. hxg6 fxg6 12. Bh6 Bh8 13. Nh3 Bb7 14. Qh2 e6 15. Nf4 Re7 16. Bxf8 Qxf8 17. Nxg6 Qg7 18. Nxe7+ Qxe7 19. g5 Nd7 20. g6 Nf8 21. gxh7+ Nxh7 22. Bd3 Bxd4 23. e5 Be3+ 24. Kb1 Ng5 25. exd6 cxd6 26. Ne4 Nf7 27. Qh7+ Kf8 28. Qg6 d5 29. Nf6 Nh6 30. Rxh6 Bxh6 31. Qxh6+ 1-0

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.22"]
[Round "6"]
[White "Mueller, Klaus2222"]
[Black "Petersohn, Horst"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1889"]
[BlackElo "1668"]
[PlyCount "113"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. a3 Nge7 7. Nb3 Ng6 8. Be3 b5 9. Be2 Bb7 10. 0-0 Be7 11. f4 0-0 12. Kh1 d6 13. Qe1 Bh4 14. Qd2 Be7 15. Rad1 Qc7 16. Qe1 Rac8 17. Qf2 Bh4 18. Qg1 Bd8 19. Rd2 Qb8 20. Qf2 Be7 21. Kg1 Bh4 22. g3 Bd8 23. f5 exf5 24. exf5 Nge5 25. Nd5 f6 26. Nf4 Nc4 27. Bxc4+ bxc4 28. Nd4 Ne5 29. h3 Bb6 30. Nfe6 Rf7 31. Rfd1 c3 32. bxc3 Rxc3 33. Kf1 Nc4 34. Rd3 Rxd3 35. Rxd3 Qc8 36. Rb3 Bd5 37. Rd3 Ne5 38. Rd1 Qc4+ 39. Qe2 Qc3 40. Qd2 Bc4+ 41. Kf2 Qxa3 42. Rb1 Rb7 43. Qb4 Qxb4 44. Rxb4 Bd5 45. Ra4 Ra7 46. Nf4 Bc4 47. Nf3 Bxe3+ 48. Kxe3 Bb5 49. Rd4 Nc4+ 50. Kf2 h6 51. Nd2 Nxd2 52. Rxd2 Rd7 53. Rd4 Kf7 54. c4 Bc6 55. Rd2 a5 56. Nd3 Re7 57. Nf4 1/2-1/2

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.21"]
[Round "4"]
[White "Meiling, Hermann"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "1855"]
[BlackElo "1668"]
[PlyCount "108"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 Nf6 4. Bg5 Bb4 5. e3 c5 6. Qb3 dxc4 7. Bxc4 Nc6 8. Nge2 0-0 9. dxc5 Bxc5 10. Rd1 Qe7 11. Ne4 Bb4+ 12. Kf1 Na5 13. Qc2 Nxc4 14. Bxf6 gxf6 15. Qxc4 Ba5 16. f3 Kh8 17. Kf2 e5 18. N2c3 Bxc3 19. Qxc3 Be6 20. b3 Rac8 21. Qb2 Rc6 22. Rc1 Bd5 23. Ng3 Rfc8 24. Rxc6 Bxc6 25. Rc1 Qe6 26. e4 Rd8 27. Nf5 Qd7 28. Rc2 Qd1 29. Ne3 Qd3 30. Qc1 a6 31. Nf5 Rg8 32. Rd2 Qb5 33. Nd6 Qb6+ 34. Kf1 Rg7 35. Nc4 Bb5 36. g3 Qc7 37. Rc2 Qd7 38. Kg2 Rg5 39. Ne3 Qe6 40. Nf5 Bc6 41. Rd2 Qc8 42. Rd6 Rxf5 43. exf5 Qxf5 44. Qe3 Kg7 45. h3 h5 46. Rd2 Bd7 47. Qd3 Qxh3+ 48. Kf2 Bb5 49. Qb1 Qh2+ 50. Ke3 Qxg3 51. Qc1 Qf4+ 52. Kf2 e4 53. Kg1 Qe3+ 54. Kg2 Qxf3+ 0-1

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.21"]
[Round "5"]
[White "Petersohn, Horst"]
[Black "Thormann, Werner"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1668"]
[BlackElo "1789"]
[PlyCount "117"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Nbd7 5. Nc3 c6 6. e3 Qa5 7. Bxf6 Nxf6 8. c5 Be7 9. a3 0-0 10. b4 Qc7 11. Bd3 Nd7 12. Qc2 h6 13. 0-0 e5 14. e4 dxe4 15. Nxe4 exd4 16. Nxd4 Ne5 17. Be2 Ng4 18. Nf3 Be6 19. h3 Nf6 20. Ng3 a5 21. Rad1 axb4 22. axb4 Nd5 23. Rb1 Bf6 24. Ne4 Be7 25. Nd4 Bd7 26. Bc4 Qe5 27. Rfd1 Ra3 28. Rd3 Rfa8 29. Ng3 Nf4 30. Nf3 Qc7 31. Rxa3 Rxa3 32. Qe4 Bf6 33. Rd1 Be6 34. Bxe6 Nxe6 35. Nh5 Be7 36. Ne5 Bf6 37. Nxf6+ gxf6 38. Nd7 Qf4 39. Qxf4 Nxf4 40. Nxf6+ Kg7 41. Ne8+ Kg6 42. Nd6 Rb3 43. Nxb7 Rxb4 44. Nd8 Rd4 45. Rxd4 Ne2+ 46. Kh2 Nxd4 47. Kg3 Kf6 48. Kf4 Ke7 49. Ke4 Kxd8 50. Kxd4 Ke7 51. Ke5 f6+ 52. Kf5 Kf7 53. g4 Ke7 54. h4 Kf7 55. f4 Ke7 56. g5 fxg5 57. fxg5 hxg5 58. hxg5 Kf7 59. Ke5 1-0

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.20"]
[Round "3"]
[White "Petersohn, Horst"]
[Black "Didzuhn, Werner"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "1668"]
[BlackElo "1787"]
[PlyCount "67"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 4. e4 Bg7 5. f3 0-0 6. Be3 Nc6 7. Qd2 e5 8. d5 Nd4 9. Bd3 c5 10. dxc6 bxc6 11. Nge2 Nh5 12. Bg5 Qa5 13. 0-0 Qb6 14. Kh1 Re8 15. Rab1 a5 16. Be3 Qc7 17. Na4 Rb8 18. b3 Rd8 19. Bg5 f6 20. Be3 f5 21. exf5 gxf5 22. Bh6 Nxe2 23. Bxe2 f4 24. Bxg7 Qxg7 25. Bd3 Qe7 26. Qf2 Kh8 27. Rfe1 Rg8 28. Rb2 Ng3+ 29. Kg1 Bh3 30. Bf1 Be6 31. Qd2 Qa7+ 32. c5 Nf5 33. Re4 Ne3 34. Qxd6 1-0

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.19"]
[Round "2"]
[White "Roellig, Wolfgang"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1356"]
[BlackElo "1668"]
[PlyCount "70"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. h3 Nf6 3. Nf3 b6 4. Bf4 Ba6 5. Nbd2 e6 6. e3 Bxf1 7. Nxf1 Nbd7 8. N1d2 Be7 9. c3 0-0 10. 0-0 c5 11. Re1 Ne4 12. Qc2 f5 13. Rac1 Ndf6 14. Ne5 Rc8 15. f3 Nxd2 16. Qxd2 Nh5 17. Bh2 Bh4 18. Rf1 Ng3 19. Bxg3 Bxg3 20. f4 Kh8 21. Nf3 h6 22. Ne5 Qe8 23. Nf3 Qh5 24. Qd1 Rg8 25. Ne5 Qe8 26. Rf3 Bh4 27. Rf1 Rc7 28. Nf3 Bf6 29. Qe1 g5 30. fxg5 hxg5 31. Nh2 Rh7 32. Rc2 Be7 33. Qg3 Rg6 34. Rcf2 Qd8 35. Rf3 Bd6 0-1

[Event "Brandenburg-ch Seniors 12th"]
[Site "Lindow/Mark"]
[Date "2004.09.18"]
[Round "1"]
[White "Petersohn, Horst"]
[Black "Troeger, Rainer"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1668"]
[BlackElo "2048"]
[PlyCount "70"]
[EventDate "2004.09.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3 Nf6 5. Nf3 0-0 6. g3 b6 7. Bg2 Bb7 8. 0-0 Nc6 9. a3 d6 10. b3 Qd7 11. Bb2 Rfd8 12. d5 Ne5 13. Qe2 Ne8 14. h3 Nxf3+ 15. Qxf3 a6 16. Qe2 Qc7 17. f4 Bc8 18. Rab1 Rb8 19. e4 Bd7 20. Kh2 b5 21. Nd1 bxc4 22. Bxg7 Nxg7 23. Ne3 cxb3 24. Rfc1 a5 25. Qf2 a4 26. Nc4 Bb5 27. Bf1 e6 28. g4 exd5 29. exd5 f5 30. Re1 Re8 31. Rxe8+ Rxe8 32. Nxd6 Qxd6 33. Bxb5 Re4 34. Kg3 g5 35. Rf1 Rxf4 0-1

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.30"]
[Round "9"]
[White "Petersohn, Horst"]
[Black "Breitling, Winfried"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1691"]
[BlackElo "1525"]
[PlyCount "97"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 h6 6. Bxf6 Bxf6 7. b4 Nd7 8. Nc3 c6 9. Bd3 Qc7 10. Qc2 dxc4 11. Bxc4 Nb6 12. Bd3 Nd5 13. Rb1 Ne7 14. 0-0 a5 15. a3 axb4 16. axb4 Nd5 17. Ne4 Be7 18. Qd2 b5 19. Rfc1 Qb6 20. Nc5 0-0 21. Ra1 Ra4 22. Nxa4 bxa4 23. Rxa4 Bxb4 24. Qc2 Bd7 25. Ne5 Be8 26. Ra6 Qb7 27. Qb1 Qe7 28. Nxc6 Bxc6 29. Raxc6 Bd6 30. Rc8 Qh4 31. g3 Qg4 32. Rxf8+ Bxf8 33. Kg2 f5 34. h3 Qg5 35. Re1 h5 36. h4 Qf6 37. Qb8 g5 38. hxg5 Qxg5 39. Qe5 Qg6 40. Rh1 Bg7 41. Qd6 Bf8 42. Qd8 Ne7 43. Rh4 Qh6 44. Qe8 Qf6 45. Qxh5 Qg7 46. Bc4 Nd5 47. Bxd5 exd5 48. Qxf5 Qf7 49. Rh8+ 1-0

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.29"]
[Round "8"]
[White "Petersohn, Horst"]
[Black "Bubka, Stanislaw"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1691"]
[BlackElo "1800"]
[PlyCount "95"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 b6 4. cxd5 Qxd5 5. Nc3 Bb4 6. Bd2 Qd8 7. e3 Bxc3 8. Bxc3 Nf6 9. Bd3 Bb7 10. 0-0 Nbd7 11. Qe2 c5 12. dxc5 Nxc5 13. Bb5+ Kf8 14. Rfd1 Qe7 15. Be5 Nfe4 16. b4 f6 17. Bb2 a6 18. Bd3 Nxd3 19. Qxd3 Kf7 20. Qd7 Rhd8 21. Qxe7+ Kxe7 22. Bd4 b5 23. Rac1 Rac8 24. Bb6 Rxc1 25. Rxc1 Rd7 26. a3 Nc3 27. Kf1 Ne4 28. Ke2 Bd5 29. Nd4 Bc4+ 30. Ke1 Bd5 31. f3 Nd6 32. e4 Bb7 33. Bc5 g6 34. Ra1 e5 35. Ne2 Ke6 36. a4 Bc6 37. Nc3 bxa4 38. Nxa4 Nb5 39. Bb6 Kf7 40. Nc5 Nd4 41. Ra2 Rd6 42. Bc7 Nxf3+ 43. gxf3 Rd4 44. Nxa6 Bb5 45. Bb6 Rd6 46. Bc5 Rxa6 47. Ra5 Rxa5 48. bxa5 1/2-1/2

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.28"]
[Round "7"]
[White "Cieslik, Henryk"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2000"]
[BlackElo "1691"]
[PlyCount "35"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. Be2 e6 6. 0-0 Nge7 7. c4 Nxd4 8. Qxd4 Nc6 9. Qc3 e5 10. Qg3 g6 11. Nc3 Bg7 12. Bg5 f6 13. Be3 d6 14. Rad1 0-0 15. c5 Be6 16. Rxd6 Qe8 17. b3 Qf7 18. Rxe6 1-0

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.27"]
[Round "6"]
[White "Petersohn, Horst"]
[Black "Meissner, Siegfried"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1691"]
[BlackElo "1617"]
[PlyCount "27"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 0-0 6. e3 a6 7. Bd3 h6 8. Bxf6 Bxf6 9. Rb1 dxc4 10. Bxc4 b5 11. Be2 Bb7 12. b4 Nd7 13. a4 bxa4 14. Nxa4 1/2-1/2

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.26"]
[Round "5"]
[White "Heidfeld, Christel"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1266"]
[BlackElo "1691"]
[PlyCount "84"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. a3 Nc6 4. Nc3 a6 5. Nge2 g6 6. 0-0 Bg7 7. Na2 b5 8. Bd3 c4 9. Bxc4 bxc4 10. c3 Nf6 11. Ng3 0-0 12. d3 cxd3 13. Bg5 Qa5 14. Bxf6 Bxf6 15. Qxd3 Qg5 16. Nc1 Rd8 17. Nce2 Bb7 18. f4 Qc5+ 19. Kh1 Bg7 20. b4 Qb6 21. Rab1 Ne7 22. c4 d6 23. Qc2 Rac8 24. f5 exf5 25. exf5 Qc6 26. Rf2 f6 27. Nf4 Qxc4 28. Qe2 Qxe2 29. Rxe2 Nxf5 30. Nxf5 gxf5 31. Rf2 Be4 32. Re1 Rc3 33. Ra1 Rdc8 34. Ne2 Rc2 35. Kg1 Bh6 36. Rd1 Be3 37. Kf1 Bxf2 38. Kxf2 d5 39. g3 Ra2 40. Re1 d4 41. Kf1 Rcc2 42. Nf4 Rxh2 0-1

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.25"]
[Round "4"]
[White "Biszof, Henryk"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1523"]
[BlackElo "1691"]
[PlyCount "49"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be2 a6 6. Nc3 Nge7 7. 0-0 Nxd4 8. Qxd4 Nc6 9. Qd1 b5 10. a3 Qc7 11. Be3 Be7 12. f4 d6 13. Qd2 Bb7 14. Rad1 0-0 15. f5 Ne5 16. Qe1 Bf6 17. Qg3 Kh8 18. Bf4 Rac8 19. Kh1 Rg8 20. Qh3 Qe7 21. Bd3 Rc5 22. Rde1 exf5 23. exf5 Qd7 24. Re3 Nxd3 25. Qxh7+ 1-0

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.23"]
[Round "3"]
[White "Petersohn, Horst"]
[Black "Krzyzanowski, Czeslaw"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1691"]
[BlackElo "2000"]
[PlyCount "90"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. e3 Bd6 5. Bd3 f5 6. b3 Nf6 7. Ba3 0-0 8. Bxd6 Qxd6 9. Nbd2 Nbd7 10. 0-0 h6 11. g3 g5 12. Kh1 Ne4 13. Ng1 Kg7 14. f3 Nef6 15. Qe2 Rh8 16. e4 e5 17. exd5 cxd5 18. cxd5 Qxd5 19. Bc4 Qxd4 20. Rad1 Qb6 21. Nb1 Re8 22. Nc3 a6 23. Nd5 Qc6 24. Nb4 Qc5 25. Nd5 b5 26. Nxf6 Nxf6 27. Bd3 Re7 28. Rc1 Qd6 29. Qc2 e4 30. Be2 Bb7 31. Rfd1 Qe5 32. Qc5 Rc8 33. Qd4 Rxc1 34. Rxc1 Kg6 35. h3 exf3 36. Bxf3 Rd7 37. Qc3 Bxf3+ 38. Qxf3 Qe4 39. Qxe4 Nxe4 40. Rc2 Nxg3+ 41. Kg2 Ne4 42. Nf3 Kf6 43. Rc6+ Rd6 44. Rc8 g4 45. hxg4 fxg4 0-1

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.22"]
[Round "2"]
[White "Satka, Martin"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1367"]
[BlackElo "1691"]
[PlyCount "82"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b4 c6 3. c4 e6 4. a3 d5 5. e3 Be7 6. Bb2 0-0 7. Be2 Nbd7 8. d4 Ne4 9. Qc2 f5 10. 0-0 Ndf6 11. c5 Bd7 12. Ne5 Be8 13. f3 Ng5 14. Nd2 Nd7 15. Rad1 a6 16. Nd3 Rf6 17. Nf2 Rh6 18. f4 Ne4 19. Nf3 Ndf6 20. Ne5 Nxf2 21. Rxf2 Ne4 22. Rff1 Bh5 23. Bxh5 Rxh5 24. Qe2 Rh6 25. Nf3 Qe8 26. Nd2 Nf6 27. h3 Qg6 28. Rf3 Ne4 29. Kh2 Bh4 30. Nf1 Qh5 31. Rc1 g5 32. fxg5 Nxg5 33. g4 Nxf3+ 34. Qxf3 fxg4 35. Qxg4+ Qxg4 36. hxg4 Rf8 37. Bc3 Bg5+ 38. Kg2 Rhf6 39. Bd2 Rf2+ 40. Kg1 Re2 41. Re1 Rxf1+ 0-1

[Event "Brandenburg Seniors op 13th"]
[Site "Rowy"]
[Date "2004.06.21"]
[Round "1"]
[White "Petersohn, Horst"]
[Black "Krawcewicz, Lucyna"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1691"]
[BlackElo "2076"]
[PlyCount "100"]
[EventDate "2004.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Nf6 6. Nf3 Nbd7 7. e3 Bb4 8. Bd3 0-0 9. 0-0 Re8 10. Ne5 Nf8 11. Rc1 Bd6 12. Ne2 Nh5 13. Ng3 Nxf4 14. exf4 Qh4 15. Qd2 Ne6 16. Nf5 Qd8 17. Bb1 f6 18. Nxd6 Qxd6 19. f5 Nxd4 20. Qxd4 fxe5 21. Qh4 Qf6 22. Qxf6 gxf6 23. Rc3 Kf7 24. Rh3 Rh8 25. g4 Bd7 26. f3 Rag8 27. Kf2 Rg5 28. Rg3 h6 29. Ke3 c5 30. f4 d4+ 31. Kd2 Rgg8 32. fxe5 fxe5 33. Bd3 Kf6 34. h4 Bc6 35. Re1 Rg7 36. Be4 Rc7 37. Kd3 b5 38. b3 c4+ 39. bxc4 bxc4+ 40. Kd2 c3+ 41. Kc1 Bxe4 42. Rxe4 Rd7 43. Rd3 h5 44. gxh5 Kxf5 45. Re1 e4 46. Rg3 Kf4 47. Reg1 d3 48. Rg4+ Ke5 49. Rg5+ Kd4 50. R5g4 Rb7 0-1

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.27"]
[Round "7"]
[White "Petersohn, Horst"]
[Black "Heinrich, Klaus1111"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1779"]
[BlackElo "1646"]
[PlyCount "58"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 c6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Qc2 f5 7. e3 h6 8. Nge2 Be6 9. b3 Nf6 10. Bb2 Nbd7 11. 0-0 0-0 12. Rad1 d5 13. Na4 Rc8 14. Qd2 b6 15. Rc1 Qe7 16. Nac3 dxc4 17. dxc4 Rfd8 18. Qc2 Bf7 19. Rcd1 e4 20. Rd2 Ne5 21. Rfd1 Rxd2 22. Rxd2 Nd3 23. Nf4 Nxb2 24. Qxb2 Rd8 25. Qc2 Rxd2 26. Qxd2 Qd7 27. Qc1 Qd6 28. Bf1 g5 29. Nfe2 Nd7 1/2-1/2

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.26"]
[Round "6"]
[White "Petersohn, Horst"]
[Black "Augustat, Siegfried"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1779"]
[BlackElo "1729"]
[PlyCount "152"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d3 c6 4. e3 e5 5. Ne2 Bd6 6. Nd2 Be6 7. b3 Nbd7 8. Bb2 0-0 9. 0-0 Re8 10. Nf3 h6 11. c4 Rc8 12. Nh4 g5 13. Nf3 Bg4 14. Qd2 Nh7 15. h3 Bh5 16. Nh2 Ndf6 17. Nf3 Qe7 18. Rac1 Bg6 19. Nh2 Bb4 20. Bc3 Ba3 21. Rce1 dxc4 22. bxc4 Rcd8 23. d4 e4 24. Qc2 Bd6 25. Rb1 Bh5 26. g4 Bg6 27. Ng3 Qc7 28. Be1 b6 29. Qb2 h5 30. c5 bxc5 31. dxc5 Be5 32. Qb7 Rb8 33. Qxc7 Bxc7 34. Rxb8 Rxb8 35. gxh5 Bxg3 36. fxg3 Bxh5 37. Bc3 Nd5 38. Bd4 Be2 39. Re1 Bd3 40. Ng4 Nb4 41. a4 Nc2 42. Rd1 Nxd4 43. exd4 Rb4 44. Ne5 Rxd4 45. Nxd3 exd3 46. Bxc6 Rc4 47. Rxd3 Rxc5 48. Bb5 Rc7 49. Kf2 Re7 50. Kf3 Kg7 51. Rd7 Rxd7 52. Bxd7 Kf6 53. Ke4 Ke7 54. Bb5 Ke6 55. Kd4 Kd6 56. g4 Nf8 57. Ke4 Ke6 58. Bc4+ Kf6 59. Kd5 Nd7 60. a5 Ke7 61. Bb3 Nb8 62. Kc5 f6 63. Bc4 Kd7 64. Be2 Ke7 65. Kd5 Kd7 66. Bd3 Ke7 67. Bf5 Nd7 68. Kc6 Ne5+ 69. Kb7 Kd6 70. Kxa7 Kc7 71. Be4 Nd7 72. Bf5 Ne5 73. Ka6 Kc6 74. Be4+ Kc7 75. Kb5 Nf7 76. a6 Nd6+ 0-1

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.25"]
[Round "5"]
[White "Biehler, Peter"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1620"]
[BlackElo "1779"]
[PlyCount "46"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. e3 Be7 5. Nf3 0-0 6. Bd3 d5 7. 0-0 c6 8. a3 Bd6 9. cxd5 exd5 10. Qc2 Ne4 11. Ne2 Nd7 12. b4 a6 13. Ne1 Qh4 14. g3 Qh3 15. Nf4 Bxf4 16. exf4 Rf6 17. f3 Nd6 18. Ng2 Qh5 19. Bd2 Nb6 20. Rae1 Be6 21. Nh4 Nbc4 22. Bc1 Nb5 23. Qc3 Nxc3 0-1

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.24"]
[Round "4"]
[White "Petersohn, Horst"]
[Black "Schmidt, Roland"]
[Result "1/2-1/2"]
[ECO "A95"]
[WhiteElo "1779"]
[BlackElo "1625"]
[PlyCount "48"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. e3 f5 5. Nc3 Nf6 6. g3 Be7 7. Bg2 0-0 8. b3 Ne4 9. Bb2 Nd7 10. 0-0 Nxc3 11. Bxc3 Nf6 12. Bb2 Ne4 13. a3 Bd7 14. Qc2 Rc8 15. Ne5 Be8 16. f3 Nf6 17. Rac1 Nd7 18. f4 Nxe5 19. fxe5 Bg6 20. Qd2 Bg5 21. Rc3 a6 22. Rfc1 Qd7 23. a4 Be7 24. c5 Bd8 1/2-1/2

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.22"]
[Round "3"]
[White "Ewald, Horst"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1638"]
[BlackElo "1779"]
[PlyCount "47"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 g6 2. Nc3 Bg7 3. e4 d6 4. Be3 e6 5. Be2 Ne7 6. Nf3 Nd7 7. Qd2 b6 8. Bh6 Bf6 9. 0-0-0 e5 10. dxe5 Nxe5 11. Nd5 Ng8 12. Nxf6+ Qxf6 13. Qd5 Rb8 14. Nxe5 Nxh6 15. Bb5+ Kf8 16. Nc6 Qf4+ 17. Kb1 Rb7 18. Ba6 Rg8 19. Nxa7 Rxa7 20. Bxc8 Ng4 21. Bxg4 Qxg4 22. e5 Ra5 23. Qc4 Rc5 24. Qxg4 1-0

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.21"]
[Round "2"]
[White "Petersohn, Horst"]
[Black "Serowy, Reinhold"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1779"]
[BlackElo "1287"]
[PlyCount "52"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 b5 2. Nf3 Bb7 3. e3 a6 4. Be2 e6 5. 0-0 Bd6 6. Nbd2 Nf6 7. c4 Bxf3 8. Bxf3 Nc6 9. b3 Rb8 10. Bb2 0-0 11. Rc1 b4 12. g3 Re8 13. c5 Bf8 14. Nc4 Ne7 15. Qd3 c6 16. Nd6 Nf5 17. Nxe8 Qxe8 18. e4 Nh6 19. Bd1 d5 20. cxd6 Bxd6 21. e5 Rb5 22. exf6 Qa8 23. Bf3 Qb8 24. Rxc6 g5 25. Rfc1 Qa7 26. Rc8+ Bf8 1-0

[Event "Brandenburg-ch Seniors 11th"]
[Site "Lindow"]
[Date "2003.09.20"]
[Round "1"]
[White "Heinze, Johannes"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1445"]
[BlackElo "1779"]
[PlyCount "95"]
[EventDate "2003.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. c3 e6 4. Nf3 d6 5. Be2 Qc7 6. 0-0 Nge7 7. d3 Ng6 8. Be3 Be7 9. Nbd2 b6 10. Qc2 0-0 11. Rac1 Bb7 12. a3 Rac8 13. d4 Qd7 14. Bd3 cxd4 15. Nxd4 Nxd4 16. Bxd4 e5 17. Be3 exf4 18. Bxf4 Nxf4 19. Rxf4 g6 20. h3 Bg5 21. Rg4 Be3+ 22. Kh1 Qe6 23. Re1 Bd4 24. Nf3 Bg7 25. Qb3 Rc5 26. Bc4 Qf6 27. Rf1 Rc7 28. Nd4 Qe5 29. Rgf4 Qe8 30. Nb5 Rd7 31. Nxa7 Bxe4 32. Bb5 Qa8 33. Rxe4 Rxa7 34. Ref4 Be5 35. R4f3 Qd8 36. Bc4 Kg7 37. Bxf7 Qg5 38. Bd5 Rxf3 39. Bxf3 Qg3 40. Kg1 Re7 41. Bd5 Bf4 42. Qd1 Qh2+ 43. Kf2 Be3+ 44. Ke2 Qe5 45. Qd3 Bc1+ 46. Kd1 Bxb2 47. Qf3 Bxc3 48. Qf8# 1-0

[Event "GER HL-087 corr"]
[Site "GER corr"]
[Date "2003.??.??"]
[Round "?"]
[White "Bringsken, Peter"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D45"]
[PlyCount "144"]
[EventDate "2003.11.08"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 Nxg4 8. Rg1 Nxh2 9. Nxh2 Bxh2 10. Rxg7 Nf8 11. Rg2 Bd6 12. e4 Ng6 13. e5 Be7 14. Be3 Nh4 15. Rg3 Nf5 16. Rh3 Nxe3 17. fxe3 Bh4+ 18. Kd2 h6 19. Rd1 Bd7 20. Kc1 Bg5 21. Kb1 Qa5 22. Rf3 Rf8 23. e4 dxc4 24. Bxc4 0-0-0 25. Na4 Be7 26. Bb3 h5 27. Rc3 Kb8 28. Nc5 Bc8 29. Rc4 Qc7 30. Nd3 f6 31. exf6 Bxf6 32. e5 Bg5 33. Nc5 Qf7 34. Rc3 Be7 35. Qe2 Bxc5 36. Rxc5 Qf5+ 37. Rc2 h4 38. Ka1 Qf3 39. Qe1 Rf4 40. Rcd2 Re4 41. Qg1 Rg4 42. Qe1 Qg3 43. Qf1 Qf4 44. Qxf4 Rxf4 45. Kb1 Rg8 46. Kc2 Kc7 47. Rd3 a5 48. R1d2 b6 49. a3 Rgg4 50. Kc3 Kd7 51. Bd1 Rg1 52. Re3 Ba6 53. b3 Bb5 54. b4 Rff1 55. Bc2 Ra1 56. Re4 Ra2 57. Kb3 Rga1 58. bxa5 Rxa3+ 59. Kb2 R3a2+ 60. Kc3 Rh1 61. Kb3 Rxa5 62. Kb2 Bc4 63. Rg4 Bd5 64. Rg7+ Ke8 65. Rg8+ Kf7 66. Rg4 Ra2+ 67. Kc3 Rh3+ 68. Bd3 Rxd2 69. Kxd2 b5 70. Bg6+ Ke7 71. Bd3 b4 72. Rg7+ Kd8 0-1

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.21"]
[Round "7"]
[White "Voigt, Udo"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D51"]
[WhiteElo "1697"]
[BlackElo "1731"]
[PlyCount "122"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Nf3 e6 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 b6 10. Bf4 Bb7 11. h3 Re8 12. Rc1 a6 13. a3 b5 14. Qb3 Rc8 15. Na2 Nb6 16. Rxc8 Bxc8 17. Rc1 Bd6 18. Bg5 Bb7 19. Qc2 h6 20. Bh4 Qe7 21. Nc3 Nc4 22. Nd2 g5 23. Bg3 Bxg3 24. fxg3 Nxe3 25. Qb1 Qd6 26. Ne2 e5 27. dxe5 Qxe5 28. Nf3 Qd6 29. b4 Nc4 30. Qa1 Ne4 31. Bxe4 Rxe4 32. Nfd4 Qe5 33. Re1 h5 34. Qd1 Nxa3 35. Nf3 Qe7 36. Nfd4 Qxb4 37. Nf5 Qc5+ 38. Kh2 Nc4 39. Ned4 Qb6 40. Qxh5 Qg6 41. Ne7+ Rxe7 42. Qxg6+ fxg6 43. Rxe7 Na5 44. Kg1 Kf8 45. Rc7 Ke8 46. h4 b4 47. Kf2 Kd8 48. Rc5 Nc4 49. Nb3 Kd7 50. Na5 Nxa5 51. Rxa5 Kc6 52. Ke3 Kb6 53. Ra2 a5 54. Kd4 Kb5 55. Re2 a4 56. hxg5 a3 57. Kd3 Bc8 58. Kc2 Kc4 59. Re7 Bf5+ 60. Kd2 a2 61. Rc7+ Kb3 0-1

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.20"]
[Round "6"]
[White "Petersohn, Horst"]
[Black "Mueller, Klaus2222"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1731"]
[BlackElo "2033"]
[PlyCount "82"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 0-0 7. Bd3 d5 8. cxd5 exd5 9. Rc1 Nbd7 10. 0-0 c5 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bxe7 Qxe7 14. f4 f6 15. Rf3 fxe5 16. Rh3 e4 17. Bc2 Nf6 18. g4 Rad8 19. g5 Ne8 20. Qh5 g6 21. Qh6 Qg7 22. Rg3 Nd6 23. Re1 Qd7 24. Qh3 Nf5 25. Re2 Rfe8 26. Nd1 Bc8 27. Nf2 Qe7 28. Ng4 Kh8 29. Rd2 Qb7 30. Nf6 Nd4 31. Qh6 Nf3+ 32. Kh1 Qg7 33. Qxg7+ Kxg7 34. Nxe8+ Rxe8 35. Rgg2 Nxd2 36. Rxd2 Bb7 37. Kg1 d4 38. exd4 e3 39. Re2 cxd4 40. Kf1 Ba6 41. Ke1 d3 0-1

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.19"]
[Round "5"]
[White "Heinze, Johannes"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1412"]
[BlackElo "1731"]
[PlyCount "64"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Be2 Nge7 5. 0-0 d5 6. e5 Ng6 7. d3 Be7 8. c3 0-0 9. Na3 a6 10. Nc2 f6 11. d4 cxd4 12. cxd4 Bd7 13. Bd3 Qe8 14. Bd2 Rc8 15. a3 Na7 16. Rc1 Bb5 17. Qe2 fxe5 18. Nxe5 Nxe5 19. Bxb5 Nxb5 20. Qxe5 Bf6 21. Qe2 Nxd4 22. Nxd4 Bxd4+ 23. Kh1 Rxc1 24. Bxc1 Qd7 25. h3 Bb6 26. Re1 Re8 27. f5 e5 28. Qg4 Bc7 29. h4 g6 30. Rf1 Rf8 31. h5 Rxf5 32. Rf3 Rxh5+ 0-1

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.18"]
[Round "4"]
[White "Petersohn, Horst"]
[Black "Meiling, Hermann"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1731"]
[BlackElo "1783"]
[PlyCount "52"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Bf4 Bd6 7. Bxd6 Qxd6 8. e3 Nd7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. 0-0 0-0 12. Rac1 Rfe8 13. h3 Ne4 14. Nd2 Ndf6 15. Ncxe4 Nxe4 16. Nxe4 Rxe4 17. f3 Re6 18. a3 Rae8 19. Rfe1 Qg3 20. Re2 Rh6 21. Qf5 Ree6 22. Kh1 Rhf6 23. Qg4 Qc7 24. e4 dxe4 25. fxe4 Rf4 26. Qg3 Rf1+ 0-1

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.17"]
[Round "3"]
[White "Schmidt, Roland"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1609"]
[BlackElo "1731"]
[PlyCount "68"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. e3 d5 4. Nc3 e6 5. a3 Bd6 6. c5 Bc7 7. f4 0-0 8. Bd3 Nbd7 9. Nf3 b6 10. b4 bxc5 11. bxc5 Ba5 12. Bd2 Bxc3 13. Bxc3 Ne4 14. Qc2 f5 15. 0-0 a5 16. Rab1 Ba6 17. Bxa6 Rxa6 18. Rb7 Ra8 19. Rfb1 Ndf6 20. Ne5 Qe8 21. Be1 Ng4 22. Nxg4 fxg4 23. Qa4 Rc8 24. Qxa5 Qh5 25. Qa7 Qg6 26. Re7 Ra8 27. Qd7 Nxc5 28. dxc5 Qxb1 29. Rxg7+ Kh8 30. Kf2 Qb2+ 31. Kg3 Qxg7 32. Qxe6 Rae8 33. Qxc6 Rxe3+ 34. Kf2 Qd4 0-1

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.16"]
[Round "2"]
[White "Petersohn, Horst"]
[Black "Tefs, Arnold"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1731"]
[BlackElo "1642"]
[PlyCount "101"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. a3 Be7 5. g3 0-0 6. Bg2 c6 7. 0-0 d5 8. b3 Ne4 9. Qc2 Nd7 10. Nc3 Nxc3 11. Qxc3 Nf6 12. Nd2 Bd7 13. f3 Be8 14. Bb2 Bf7 15. Rae1 Re8 16. e4 Bf8 17. Qc2 g6 18. Rf2 Qd7 19. cxd5 cxd5 20. Rfe2 Rac8 21. Qd3 Rc7 22. exf5 exf5 23. Re5 Rec8 24. Qb1 Qb5 25. Bf1 Qc6 26. Bd3 Nd7 27. R5e2 Qf6 28. f4 a6 29. b4 Qb6 30. Nf3 Nf6 31. Ng5 Ne4 32. Nf3 Nc3 33. Bxc3 Rxc3 34. Ra2 Bg7 35. Kg2 Bxd4 36. Qd1 Bf6 37. Ne5 Bxe5 38. fxe5 Be6 39. Be2 Re3 40. Bf3 Rxe1 41. Qxe1 Qc6 42. Qd2 b5 43. Qg5 Qd7 44. Rd2 d4 45. Qf6 Bd5 46. Rxd4 Bxf3+ 47. Kxf3 Rc3+ 48. Kg2 Qxd4 49. Qe6+ Kf8 50. Qf6+ Ke8 51. Qh8+ 1/2-1/2

[Event "Brandenburg-ch Seniors 10th"]
[Site "Lindow"]
[Date "2002.09.15"]
[Round "1"]
[White "Serowy, Reinhold"]
[Black "Petersohn, Horst"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1200"]
[BlackElo "1731"]
[PlyCount "67"]
[EventDate "2002.09.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 d5 3. d3 e5 4. Nd2 Bd6 5. e3 0-0 6. Ne2 Be6 7. b3 c6 8. Bb2 Nbd7 9. a3 Rb8 10. h3 Qc8 11. 0-0 Re8 12. b4 Nf8 13. Kh2 Ng6 14. f4 Bf5 15. e4 Bd7 16. f5 Nf8 17. Rf2 Be7 18. Bxe5 Ra8 19. Nf4 dxe4 20. dxe4 c5 21. Rb1 cxb4 22. axb4 Ba4 23. Rb2 Rd8 24. Qc1 N8d7 25. Bd4 Bd6 26. Rf3 a6 27. Re3 Be5 28. Bxe5 Nxe5 29. c4 Neg4+ 30. hxg4 Nxg4+ 31. Kh3 Nxe3 32. Bf3 g5 33. Nh5 b5 34. Qc3 1/2-1/2

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.30"]
[Round "9"]
[White "Petersohn, Horst"]
[Black "Matthies, Juergen"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1685"]
[BlackElo "1912"]
[PlyCount "69"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. b3 0-0 8. Bd3 Qc7 9. Bb2 Re8 10. 0-0 b6 11. cxd5 exd5 12. Rac1 Bb7 13. Bf5 g6 14. Bh3 Rad8 15. Qe2 Qb8 16. Nd2 c5 17. Na4 cxd4 18. Bxd4 Bd6 19. f4 Bxf4 20. Qf3 Bxh2+ 21. Kh1 Be5 22. Bxd7 Nxd7 23. Qxf7+ Kh8 24. Rf3 Rf8 25. Qe7 Rxf3 26. Nxf3 Bxd4 27. exd4 Rc8 28. Re1 Qc7 29. Ng5 Nf8 30. Nf7+ Kg7 31. Nd6+ Qxe7 32. Rxe7+ Kg8 33. Nxc8 Bxc8 34. Rxa7 b5 35. Nc3 1-0

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.29"]
[Round "8"]
[White "Rychlik, Kurt"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1795"]
[BlackElo "1685"]
[PlyCount "97"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 e6 5. e3 Be7 6. Bd3 0-0 7. Rc1 Nbd7 8. h3 b6 9. Nf3 Bb7 10. 0-0 c5 11. cxd5 Nxd5 12. Nxd5 exd5 13. Qc2 h6 14. b3 Rc8 15. Qb1 Nf6 16. Bf5 Ra8 17. Rfd1 Ne4 18. dxc5 Nxc5 19. e4 Bd6 20. e5 Be7 21. Nd4 Bg5 22. Ne2 Re8 23. Bxg5 Qxg5 24. f4 Qe7 25. Nc3 Rad8 26. g3 g6 27. Bg4 d4 28. Nb5 h5 29. Be2 Qe6 30. Kh2 d3 31. Bxd3 Qd5 32. Rd2 Nxd3 33. Nc7 Qf3 34. Rf1 Qe3 35. Qc2 Re7 36. Nb5 Red7 37. Re2 Qc5 38. Nd6 Ba6 39. Rd1 Rc7 40. Qd2 Nb4 41. Rf2 Nd3 42. Rg2 Qc6 43. f5 Nxe5 44. fxg6 Nf3+ 45. Kh1 Nxd2 46. Nxf7 Bb7 47. Nh6+ Kf8 48. Rdg1 Qxg6 49. Kh2 0-1

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.28"]
[Round "7"]
[White "Petersohn, Horst"]
[Black "Lippmann, Ulrich"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1685"]
[BlackElo "1948"]
[PlyCount "136"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Bb4 7. Rc1 Qa5 8. Bxf6 Nxf6 9. Nd2 0-0 10. Bd3 Re8 11. 0-0 e5 12. dxe5 Rxe5 13. a3 Bxc3 14. Rxc3 Qd8 15. Nf3 Bg4 16. Be2 Bxf3 17. Bxf3 Qe7 18. cxd5 Nxd5 19. Rd3 Nf6 20. Qd2 g6 21. Rd1 Kg7 22. h3 h5 23. Qc3 Re8 24. Rd6 Qc7 25. b4 R8e6 26. Rd8 a5 27. Qd4 axb4 28. axb4 b6 29. g4 hxg4 30. hxg4 c5 31. bxc5 Qxc5 32. Qf4 g5 33. Qh2 Re8 34. Kg2 Rxd8 35. Rxd8 Re8 36. Rxe8 Nxe8 37. Be4 Nf6 38. Bf5 b5 39. Qb8 Qc4 40. f3 Qe2+ 41. Kg3 Qxe3 42. Qxb5 Qf4+ 43. Kg2 Qd4 44. Qe2 Nd5 45. Kg3 Nf4 46. Qh2 Qf6 47. Be4 Qe5 48. Qh7+ Kf8 49. Qh6+ Ke7 50. Qa6 Ng6+ 51. Kf2 Qd4+ 52. Ke1 Qc3+ 53. Kd1 Nf4 54. Qb7+ Kf6 55. Qc6+ Qxc6 56. Bxc6 Ke5 57. Kd2 Ng2 58. Ke2 Kf4 59. Kf2 Ne3 60. Bb7 f6 61. Bc6 Nc4 62. Bb7 Ne5 63. Be4 Nxg4+ 64. Kg2 f5 65. Bb7 Ne3+ 66. Kf2 g4 67. fxg4 fxg4 68. Bc6 g3+ 1/2-1/2

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.27"]
[Round "6"]
[White "Hespers, Rolf"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1563"]
[BlackElo "1685"]
[PlyCount "76"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 b6 4. f3 Bb7 5. fxe4 e6 6. Nf3 Be7 7. Bd3 Nf6 8. a3 Nbd7 9. Bf4 Nh5 10. Be3 Nhf6 11. Qd2 0-0 12. h3 c5 13. g4 cxd4 14. Bxd4 Nc5 15. Bxc5 Bxc5 16. Qe2 Qc7 17. 0-0-0 a6 18. Rde1 Nd7 19. Rhf1 Bxa3 20. Nb1 Bb4 21. c3 Be7 22. h4 Nc5 23. Bc2 Rfd8 24. g5 a5 25. Nd4 Rd7 26. Qh5 g6 27. Qf3 Bf8 28. h5 Bg7 29. Nb5 Qe5 30. Qe3 Ba6 31. N1a3 Bxb5 32. Nxb5 Rad8 33. Nd4 Qc7 34. e5 Rd5 35. Rf6 Nd7 36. hxg6 hxg6 37. Rxg6 Rxe5 38. Rxg7+ Kxg7 0-1

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.26"]
[Round "5"]
[White "Petersohn, Horst"]
[Black "Fritsch, Wolfgang"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "1685"]
[BlackElo "1834"]
[PlyCount "44"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Nbd7 6. Nc3 Nb6 7. Qd3 Be6 8. b3 Nbd5 9. Bd2 Nxc3 10. Bxc3 Qd5 11. e3 Bf5 12. Qc4 e6 13. Nd2 Qd7 14. f3 Be7 15. Bb2 0-0 16. Rc1 Rac8 17. b4 Bg6 18. Qb3 Rfd8 19. Nc4 Nd5 20. a3 f6 21. Be2 Bf7 22. 0-0 Nb6 1/2-1/2

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.25"]
[Round "4"]
[White "Assmann, Robert"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1952"]
[BlackElo "1685"]
[PlyCount "62"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Nge7 7. Nb3 d6 8. Qd2 Ng6 9. f4 Be7 10. Qf2 b5 11. Bb6 Qd7 12. 0-0-0 Qb7 13. g3 Rb8 14. Be3 0-0 15. h4 Rd8 16. h5 Nf8 17. g4 Qc7 18. g5 Na5 19. f5 Nxb3+ 20. axb3 Nd7 21. Bh3 Nc5 22. f6 Bf8 23. fxg7 Be7 24. Rhf1 Bxg5 25. Bxg5 Re8 26. b4 Nb7 27. Rd3 Nd8 28. Rf3 Rb7 29. h6 Nc6 30. Bf4 Nxb4 31. Bxd6 Qxd6 1-0

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.24"]
[Round "3"]
[White "Petersohn, Horst"]
[Black "Kotlar, Alfred"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1685"]
[BlackElo "2051"]
[PlyCount "109"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. b3 b4 7. Na4 c3 8. Bc4 e6 9. 0-0 Nbd7 10. Qe2 Bb7 11. Rd1 Be7 12. e4 0-0 13. Ne5 Qe8 14. Ng4 Kh8 15. Rd3 Nxg4 16. Qxg4 f5 17. Qe2 Bd6 18. Rh3 Nb6 19. Nxb6 axb6 20. Bd3 Bc8 21. e5 Be7 22. Qf3 Ra7 23. Be3 Bd8 24. Rh5 g6 25. Rh3 Qd7 26. Qg3 Qf7 27. Bh6 Rg8 28. f4 Qd7 29. Qf2 b5 30. Rd1 Bb6 31. Bb1 Bd8 32. Rhd3 Be7 33. h4 Qd8 34. d5 Rd7 35. dxc6 Rxd3 36. Rxd3 Qc7 37. Bg5 Bxg5 38. hxg5 Qxc6 39. Rd6 Qc7 40. Bc2 Re8 41. Qb6 Qb7 42. Kf2 Qxb6+ 43. Rxb6 Rd8 44. Ke3 Kg7 45. Bd3 h6 46. gxh6+ Kxh6 47. Rc6 Bb7 48. Rxe6 Rc8 49. Bxf5 c2 50. Rxg6+ Kh5 51. Rg5+ Kh6 52. Rg6+ Kh5 53. Rg5+ Kh6 54. Rg6+ Kh5 55. g4+ 1-0

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.23"]
[Round "2"]
[White "Reichel, Horst"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "1465"]
[BlackElo "1685"]
[PlyCount "108"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 c6 5. e4 Bg7 6. Nge2 0-0 7. 0-0 d6 8. d4 Qc7 9. dxe5 dxe5 10. Qc2 Na6 11. a3 Be6 12. b3 Rfd8 13. Bb2 Rd6 14. Rad1 Rad8 15. Rxd6 Rxd6 16. Na4 Ne8 17. c5 Rd8 18. Rd1 Rd7 19. Rxd7 Qxd7 20. b4 Nac7 21. Nac3 a6 22. Qd1 Qc8 23. Qd2 Bc4 24. Nc1 Ne6 25. N3e2 Qc7 26. h3 Bb5 27. Kh2 Qe7 28. f4 exf4 29. Bxg7 fxg3+ 30. Nxg3 N8xg7 31. Qd6 Qd8 32. e5 Ne8 33. Qxd8 Nxd8 34. Ne4 Nc7 35. Nd6 Kf8 36. Kg3 Ke7 37. h4 Nce6 38. Bh3 h6 39. Bxe6 Kxe6 40. Nxb5 axb5 41. Kf4 Kd5 42. Nd3 Kd4 43. Nf2 Ne6+ 44. Kg4 Kxe5 45. h5 g5 46. Kf3 Nd4+ 47. Kg3 Nc2 48. Ng4+ Kf5 49. Nxh6+ Kf6 50. Ng4+ Kg7 51. Kf3 f5 52. h6+ Kh7 53. Ne3 Nxe3 54. Kxe3 Kxh6 0-1

[Event "Bad Sooden-Allendorf Seniors op 14th"]
[Site "Bad Sooden-Allendorf"]
[Date "2002.04.22"]
[Round "1"]
[White "Petersohn, Horst"]
[Black "Neese, Hans Joachim"]
[Result "0-1"]
[ECO "D23"]
[WhiteElo "1685"]
[BlackElo "2176"]
[PlyCount "64"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 dxc4 4. Qa4+ Nd7 5. Nc3 Ngf6 6. Qxc4 e6 7. Bg5 Be7 8. g3 0-0 9. Bg2 h6 10. Bf4 c6 11. 0-0 Qb6 12. b3 Qa5 13. a3 Nb6 14. b4 Nxc4 15. bxa5 Nxa5 16. Nd2 Rac8 17. e4 Bg6 18. Be3 Rfd8 19. h3 Nd7 20. f4 f5 21. Rfe1 Bf8 22. Nd1 Nb6 23. Bf2 Nbc4 24. Nxc4 Nxc4 25. a4 b6 26. exf5 exf5 27. Re6 Rd6 28. Re2 Bf7 29. Rc1 g6 30. Rec2 Na5 31. Nb2 Bg7 32. Rd1 Bb3 0-1

[Event "Brandenburg-ch Seniors 08th"]
[Site "Uckley"]
[Date "2000.06.20"]
[Round "5"]
[White "Petersohn, Horst"]
[Black "Scheide, Helmut"]
[Result "0-1"]
[ECO "E53"]
[WhiteElo "1688"]
[BlackElo "1945"]
[PlyCount "48"]
[EventDate "2000.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 c5 6. a3 Bxc3+ 7. bxc3 0-0 8. Bd3 dxc4 9. Bxc4 Qc7 10. Qe2 cxd4 11. cxd4 b5 12. Bb3 Qc3+ 13. Nd2 Qxa1 14. 0-0 Qc3 15. Qf3 Qc6 16. e4 Bb7 17. Re1 Nbd7 18. Bb2 Rac8 19. g4 h6 20. h4 Qd6 21. g5 hxg5 22. hxg5 Nh7 23. Qh5 Qf4 24. Re3 Qxg5+ 0-1

[Event "Brandenburg-ch Seniors 08th"]
[Site "Uckley"]
[Date "2000.06.19"]
[Round "4"]
[White "Meller, Hans"]
[Black "Petersohn, Horst"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1533"]
[BlackElo "1688"]
[PlyCount "45"]
[EventDate "2000.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Nge7 7. 0-0 Nxd4 8. Qxd4 b5 9. Be3 Nc6 10. Qd1 Bb7 11. f4 Be7 12. a3 d6 13. Qe1 Rc8 14. Rd1 Na5 15. Qf2 Nc4 16. Bxc4 Rxc4 17. Bd4 0-0 18. Qg3 f6 19. Qg4 Qc8 20. Qg3 Qc7 21. Qg4 Qc8 22. Qg3 Qc7 23. Qg4 1/2-1/2

[Event "Brandenburg-ch Seniors 08th"]
[Site "Uckley"]
[Date "2000.06.18"]
[Round "3"]
[White "Petersohn, Horst"]
[Black "Zelinski, Heinz"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1688"]
[BlackElo "1201"]
[PlyCount "97"]
[EventDate "2000.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 d5 4. Nf3 Be7 5. e3 Bb7 6. cxd5 Bxd5 7. Bd3 Bb7 8. 0-0 Nf6 9. b3 0-0 10. Bb2 Bd6 11. h3 Nd5 12. Nxd5 exd5 13. Rc1 Nd7 14. Qc2 g6 15. Rfe1 f5 16. Ne5 Rc8 17. a3 c5 18. Qe2 Re8 19. f4 Nf6 20. Rc2 cxd4 21. exd4 Rxc2 22. Bxc2 Qc8 23. Rc1 Qd8 24. b4 Nd7 25. Ba4 Nf6 26. Bxe8 Qxe8 27. Qc2 Ne4 28. Qb3 Qb5 29. Qe3 a5 30. Bc3 Qa4 31. Be1 axb4 32. Bxb4 Bxb4 33. axb4 Qa2 34. Qe1 Qb2 35. Nf3 Ba6 36. Rb1 Qe2 37. Qxe2 Bxe2 38. Ra1 Kg7 39. Ra7+ Kh6 40. Rd7 Bc4 41. g4 g5 42. fxg5+ Nxg5 43. Rd6+ Kg7 44. Nxg5 fxg4 45. hxg4 b5 46. Kf2 h6 47. Nf3 Kf7 48. Rxh6 Bd3 49. Ne5+ 1-0

[Event "Brandenburg-ch Seniors 08th"]
[Site "Uckley"]
[Date "2000.06.17"]
[Round "2"]
[White "Jakubowski, Karl"]
[Black "Petersohn, Horst"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1334"]
[BlackElo "1688"]
[PlyCount "118"]
[EventDate "2000.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. d3 e6 3. Nc3 d5 4. cxd5 exd5 5. e3 c6 6. d4 Bd6 7. Nf3 Bg4 8. Be2 Nbd7 9. Nh4 Bxe2 10. Qxe2 g6 11. Nf3 0-0 12. h3 Re8 13. 0-0 Qe7 14. Bd2 Nb6 15. b3 Nh5 16. Qd3 Nf6 17. Rae1 Ne4 18. Re2 Rad8 19. Nh2 f5 20. f3 Ng3 21. f4 Nxe2+ 22. Nxe2 Qc7 23. Nf3 Nd7 24. Be1 Be7 25. Ne5 Qd6 26. a4 Bf6 27. Rf3 Qe6 28. Qd2 Be7 29. Qa5 a6 30. Qc3 Nf6 31. Qc2 Ne4 32. g4 Rf8 33. g5 c5 34. h4 Rc8 35. Qb2 c4 36. bxc4 dxc4 37. Bc3 Rc7 38. Rh3 Bd6 39. h5 Bxe5 40. dxe5 Nxc3 41. Qxc3 gxh5 42. Rxh5 Qg6 43. Rh6 Qg7 44. Nd4 Qe7 45. Ne6 Rc6 46. Nxf8 Rxh6 47. gxh6 b5 48. e6 Qxf8 49. Qe5 Qxh6 50. Qxf5 Qg6+ 51. Qxg6+ hxg6 52. axb5 axb5 53. Kf1 b4 54. Ke2 b3 55. Kd2 b2 56. Kc2 c3 57. e4 Kg7 58. f5 gxf5 59. exf5 Kf6 1/2-1/2

[Event "Brandenburg-ch Seniors 08th"]
[Site "Uckley"]
[Date "2000.06.16"]
[Round "1"]
[White "Petersohn, Horst"]
[Black "Schatzberg, Wolfgang"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1688"]
[BlackElo "1952"]
[PlyCount "96"]
[EventDate "2000.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Qa4 Qxa4 9. Nxa4 dxc4 10. Nc3 b5 11. a3 Nd5 12. Be2 Bb7 13. 0-0 Be7 14. Nd2 0-0 15. Bf3 Rfd8 16. Nce4 f5 17. Ng3 g6 18. Ne2 Bg5 19. g3 Nxe3 20. Rfc1 Nd5 21. Rd1 Rab8 22. Bg2 Bxd2 23. Rxd2 Nf6 24. Rad1 Rd6 25. Nc3 a6 26. Kf1 Rbd8 27. Ke1 Kf7 28. h3 Nd5 29. Ne2 a5 30. Rc1 Ba6 31. Ng1 Nf6 32. Nf3 Ke7 33. Ne5 Nd5 34. Bf1 Bb7 35. Bg2 Nf6 36. Rcd1 Nd7 37. Nf3 c5 38. Kf1 Bxf3 39. Bxf3 Ne5 40. Bg2 cxd4 41. f4 Nd3 42. Bf3 Nc5 43. g4 c3 44. Rc2 b4 45. axb4 axb4 46. gxf5 gxf5 47. Ra1 d3 48. Ra7+ R8d7 0-1

[Event "Wuerttemberg-ch Seniors 12th"]
[Site "Ellwangen"]
[Date "2000.??.??"]
[Round "1"]
[White "Claus, Joachim"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1760"]
[BlackElo "1685"]
[PlyCount "73"]
[EventDate "2000.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 e5 4. cxd4 Bb4+ 5. Bd2 Qa5 6. dxe5 Bxd2+ 7. Qxd2 Qxe5 8. Nc3 Nc6 9. Nf3 Qa5 10. Bc4 Nge7 11. 0-0 0-0 12. a3 a6 13. b4 Qc7 14. Ba2 d6 15. Rac1 b5 16. Rfd1 Bg4 17. Qxd6 Qa7 18. Nd5 Bxf3 19. Nxe7+ Qxe7 20. Qxe7 Nxe7 21. gxf3 Ng6 22. Rc5 Rfe8 23. Rd7 Ne5 24. Rb7 Rac8 25. Rxc8 Rxc8 26. Kg2 Nc4 27. Ra7 Nxa3 28. Bxf7+ Kh8 29. Be6 Re8 30. Rxa6 Nc2 31. Bd7 Rb8 32. Bxb5 Nxb4 33. Re6 Rf8 34. f4 Nc2 35. f5 h6 36. Re8 Kg8 37. Bc4+ 1-0

[Event "Wuerttemberg-ch Seniors 12th"]
[Site "Ellwangen"]
[Date "2000.??.??"]
[Round "9"]
[White "Ottmann, Josef"]
[Black "Petersohn, Horst"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1975"]
[BlackElo "1685"]
[PlyCount "44"]
[EventDate "2000.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. exd5 Qxd5 6. Nf3 Nf6 7. Nc3 Qa5 8. Bd2 Bb4 9. Bc4 0-0 10. 0-0 Bd7 11. a3 Bxc3 12. bxc3 Qc7 13. Qe2 Bc6 14. Ne5 Bd5 15. Bd3 Nbd7 16. Rac1 Rfc8 17. Rfe1 Nf8 18. Qe3 Qd8 19. Qg5 Ne8 20. Qg3 f5 21. f4 Nf6 22. Qe3 Qe8 1/2-1/2

[Event "GER HL-038 corr"]
[Site "GER corr"]
[Date "2000.??.??"]
[Round "?"]
[White "Petersohn, Horst"]
[Black "Marquardt, Guenter"]
[Result "1-0"]
[ECO "E13"]
[PlyCount "89"]
[EventDate "2000.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Bb4 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Bd3 Nbd7 10. 0-0 c5 11. Nd2 g5 12. Bg3 Qe7 13. f3 e5 14. Bf5 Nh5 15. Bf2 Nhf6 16. Rb1 e4 17. Qc2 exf3 18. gxf3 Rg8 19. e4 Nh5 20. Qa4 Ng7 21. Rfe1 Kd8 22. Bh3 Ne6 23. Bg4 Nf6 24. Bf5 g4 25. Kf1 h5 26. Bh4 Kc7 27. e5 dxe5 28. Rxe5 cxd4 29. cxd4 Qd7 30. Qa3 gxf3 31. Bxf6 Qxd4 32. Qe3 Qxe3 33. Rxe3 Rg2 34. Rb2 Rag8 35. Nxf3 Bxf3 36. Rxf3 Rg1+ 37. Ke2 R8g2+ 38. Rf2 Nc5 39. Be5+ Kb7 40. Rxg2 Rxg2+ 41. Kf1 Rxb2 42. Bxb2 Kc6 43. Kf2 Ne6 44. Be4+ Kd6 45. Bf3 1-0

[Event "Wuerttemberg-ch Seniors 12th"]
[Site "Ellwangen"]
[Date "2000.??.??"]
[Round "7"]
[White "Wittkugel, Friedhelm"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1875"]
[BlackElo "1685"]
[PlyCount "77"]
[EventDate "2000.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Nc3 Nf6 4. h3 e6 5. Bg5 Be7 6. Bxf6 Bxf6 7. e4 dxe4 8. Nxe4 0-0 9. c3 b6 10. Nxf6+ Qxf6 11. Bd3 Bb7 12. Be4 Qf4 13. Nd2 Nd7 14. g3 Qc7 15. Qf3 f5 16. 0-0 fxe4 17. Qxe4 Rae8 18. f4 c5 19. Qe3 Qc6 20. Nf3 Rf6 21. Kh2 Rh6 22. Rf2 Qe4 23. Qd2 Qd5 24. c4 Qxc4 25. Rc1 Qd5 26. dxc5 Nxc5 27. Qxd5 exd5 28. Rd1 Rd8 29. Ng5 Rhd6 30. Re2 h6 31. Nf3 d4 32. Nd2 Kf7 33. Nc4 Re6 34. Ne5+ Kf6 35. Ng4+ Kf7 36. Ne5+ Kg8 37. Ree1 Red6 38. Nc4 Rd5 39. Re7 0-1

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "3"]
[White "Augustat, Siegfried"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1774"]
[BlackElo "1767"]
[PlyCount "116"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. f4 Bg7 4. Nf3 Bg4 5. Be2 Nf6 6. Nc3 0-0 7. Be3 e6 8. h3 Bxf3 9. Bxf3 c6 10. g4 Na6 11. g5 Nd7 12. e5 dxe5 13. dxe5 Nb6 14. Qe2 Nd5 15. Ne4 Nab4 16. Bc1 Qb6 17. a3 Na6 18. c4 Ne7 19. b4 Nf5 20. c5 Qd8 21. Nd6 Qe7 22. Nxf5 exf5 23. Bxc6 bxc6 24. Qxa6 Bxe5 25. Qe2 Bc3+ 26. Bd2 Qxe2+ 27. Kxe2 Rfe8+ 28. Kd3 Bxa1 29. Rxa1 Rad8+ 30. Kc3 Re2 31. Ra2 Rh2 32. a4 a6 33. h4 Rh3+ 34. Kc2 Rdd3 35. Kc1 Rb3 36. Kc2 Rhd3 37. b5 axb5 38. a5 Ra3 39. Rb2 Rd4 40. Bb4 Rc4+ 41. Kb1 Ra4 42. Bd2 Rxc5 43. Be3 Rcc4 44. Bb6 Rcb4 45. Bc7 Rxb2+ 46. Kxb2 Kf8 47. Kb3 Ke8 48. Kc3 Kd7 49. Bb6 Kd6 50. Kd3 Kd5 51. Bc7 c5 52. Bb6 Ra3+ 53. Kc2 Kc4 54. Kb2 b4 55. Bd8 Kd3 56. Bb6 c4 57. Bc7 c3+ 58. Kb1 b3 0-1

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "1"]
[White "Graf, Wolfgang"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1407"]
[BlackElo "1767"]
[PlyCount "41"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 a6 4. a3 Nc6 5. Nf3 d5 6. exd5 exd5 7. Qe2+ Be7 8. Bxd5 Nd4 9. Qd3 Bf5 10. Be4 Bxe4 11. Qxe4 Nf6 12. Qd3 0-0 13. Nxd4 cxd4 14. Ne4 Re8 15. 0-0 Nxe4 16. Qxe4 Bxa3 17. Qxb7 Re7 18. Qf3 Bc5 19. d3 Re6 20. Bd2 Rb8 21. b3 0-1

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "7"]
[White "Heinze, Johannes"]
[Black "Petersohn, Horst"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1464"]
[BlackElo "1767"]
[PlyCount "100"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. Be2 d5 5. e5 Qc7 6. d4 cxd4 7. cxd4 Nge7 8. 0-0 Qb6 9. Nc3 Nf5 10. Na4 Qc7 11. g4 Nfe7 12. Be3 Ng6 13. Rc1 Be7 14. Nd2 0-0 15. f4 Qd8 16. Rf3 Bd7 17. Qf1 Nxd4 18. Bxd4 Bxa4 19. b3 Bc6 20. g5 Bxg5 21. fxg5 Qxg5+ 22. Rg3 Qxd2 23. Be3 Qb2 24. Bc5 Rfd8 25. Bd6 Qd4+ 26. Kh1 Nxe5 27. Qf6 Qe4+ 28. Bf3 Qxf3+ 29. Rxf3 Nxf3 30. Qf4 f6 31. Ba3 Ne5 32. Qg3 Rd7 33. h4 Kf7 34. Rg1 d4+ 35. Kh2 Nf3+ 36. Kh3 Nxg1+ 37. Qxg1 d3 38. Qd1 g6 39. Bc5 b6 40. Be3 Rad8 41. Qd2 Rd5 42. b4 Rf5 43. a3 e5 44. Kg3 Rf3+ 45. Kh2 e4 46. Kg2 Rxe3 47. Qxe3 d2 48. Qb3+ Kg7 49. Qd1 e3+ 50. Kf1 Bf3 0-1

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "6"]
[White "Petersohn, Horst"]
[Black "Falkowski, Wilfried"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1767"]
[BlackElo "1784"]
[PlyCount "64"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 c6 6. Bg2 d5 7. cxd5 cxd5 8. b3 Nc6 9. 0-0 e6 10. Bb2 Bd7 11. Rc1 a6 12. e3 Rc8 13. Qe2 b5 14. Rfe1 Qb6 15. a3 Rc7 16. Rc2 Na5 17. Nd2 Rd8 18. f3 Bf8 19. Rec1 b4 20. axb4 Bxb4 21. Qd1 Bd6 22. Rb1 Bb4 23. Rbc1 Qd6 24. Bf1 e5 25. Kf2 exd4 26. exd4 Bf5 27. Nce4 dxe4 28. Nc4 Nxc4 29. Rxc4 exf3 30. Rxc7 Qe6 31. Bc4 Ne4+ 32. Kxf3 Bg4+ 0-1

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "4"]
[White "Petersohn, Horst"]
[Black "Mueller, Klaus2222"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1767"]
[BlackElo "2035"]
[PlyCount "71"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nh5 10. d5 Nf4 11. Bf1 Nd7 12. h3 a5 13. Bh2 Nc5 14. Ng1 f5 15. g3 Ng6 16. Be2 Qf6 17. Qc2 f4 18. f3 fxg3 19. Bxg3 Nf4 20. 0-0-0 Bd7 21. Bf1 a4 22. Kb1 Ng6 23. Rd2 h5 24. Rg2 Nf4 25. Rgh2 h4 26. Bf2 Nh5 27. Rg2 Kh8 28. Be2 Qf4 29. Qd1 Nf6 30. Qc1 Nh5 31. Be3 Qf7 32. Bxc5 dxc5 33. Qxg5 Bf6 34. Qe3 Nf4 35. Rf2 Bg5 36. Bf1 0-1

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "2"]
[White "Petersohn, Horst"]
[Black "Schenk, Dieter"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1767"]
[PlyCount "39"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. b3 b4 7. Na4 c3 8. Bc4 Nd7 9. 0-0 Ngf6 10. Qd3 Bb7 11. e4 Be7 12. Bf4 0-0 13. Rad1 Qa5 14. e5 Nd5 15. Ng5 Bxg5 16. Bxg5 N7b6 17. Nxb6 Nxb6 18. Qg3 Kh8 19. Bd3 Nd7 20. Bxh7 1/2-1/2

[Event "Brandenburg-ch Seniors 07th"]
[Site "Uckley"]
[Date "1999.??.??"]
[Round "5"]
[White "Wolf, Alfred"]
[Black "Petersohn, Horst"]
[Result "1-0"]
[ECO "A95"]
[WhiteElo "1838"]
[BlackElo "1767"]
[PlyCount "73"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Be7 5. Bg2 d5 6. b3 0-0 7. Nf3 c6 8. 0-0 Nbd7 9. Qc2 Ne4 10. e3 Ndf6 11. Ne5 Bb4 12. Bb2 Nxc3 13. Bxc3 Bxc3 14. Qxc3 Ne4 15. Qc2 Qe7 16. f3 Nf6 17. e4 a5 18. a3 c5 19. exf5 cxd4 20. Rfe1 Qc5 21. Nd3 Qd6 22. c5 Qc6 23. Ne5 Qc7 24. Rac1 exf5 25. Qd3 Ra6 26. Qxd4 Re8 27. f4 Be6 28. Bf1 Raa8 29. Bb5 Re7 30. b4 g6 31. Nxg6 hxg6 32. Qxf6 Rf8 33. Qxg6+ Kh8 34. Rxe6 Rg7 35. Qh5+ Rh7 36. Rh6 Rff7 37. Re1 1-0

