[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.23"]
[Round "8"]
[White "Brandt, Lothar"]
[Black "Von Oehsen, Hasso"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1745"]
[BlackElo "1758"]
[PlyCount "43"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Qd3 Qxe5+ 11. Ne2 Nbc6 12. cxd4 Qg7 13. Bf4 e5 14. Bxe5 Nxe5 15. dxe5 Qxe5 16. c3 Bd7 17. f4 Qe6 18. Rb1 Bc6 19. Kf2 Qh6 20. g3 0-0-0 21. Nd4 Rh8 22. Bg2 1-0

[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.23"]
[Round "4"]
[White "Kuegel, Tobias"]
[Black "Von Oehsen, Hasso"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2013"]
[BlackElo "1758"]
[PlyCount "45"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Be7 6. Bf4 Bg4 7. Nbd2 Nh5 8. Be5 Nd7 9. Qb1 Nxe5 10. Nxe5 Qc8 11. h3 Be6 12. 0-0 Nf4 13. Re1 0-0 14. c3 Nxd3 15. Nxd3 Bd6 16. Qd1 Qd8 17. Qf3 Qg5 18. Qe3 Qg6 19. Nf3 Bxh3 20. Nh4 Qh5 21. Qxh3 f5 22. Nf3 Qg6 23. Nde5 1-0

[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.23"]
[Round "5"]
[White "Von Oehsen, Hasso"]
[Black "Beckmann, Christoph"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1758"]
[BlackElo "1578"]
[PlyCount "96"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 0-0 9. Qd2 cxd4 10. cxd4 e6 11. Be2 Nc6 12. 0-0 b6 13. Rac1 Bb7 14. e5 Rc8 15. Rfd1 Ne7 16. Bg5 Qd7 17. Qb2 Nd5 18. Nd2 h6 19. Bh4 Nf4 20. Bf1 Qd5 21. f3 g5 22. Bg3 Qd7 23. Nc4 Bc6 24. Nd6 Rc7 25. Rc2 Nd5 26. Bf2 Ba4 27. Rxc7 Nxc7 28. Rc1 Ne8 29. Bb5 Bxb5 30. Nxb5 a6 31. Nc3 b5 32. Ne4 f6 33. Nc5 Qd5 34. Nxa6 fxe5 35. Nb4 Qd7 36. dxe5 Rf4 37. a3 Rc4 38. Re1 Nc7 39. Qe2 Bf8 40. Rd1 Qe8 41. Bb6 Bxb4 42. axb4 Nd5 43. Bc5 Nxb4 44. Bxb4 Rxb4 45. Qd2 Rc4 46. Qa5 Rc8 47. Qa6 b4 48. Qb7 Rb8 1/2-1/2

[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.23"]
[Round "3"]
[White "Von Oehsen, Hasso"]
[Black "Frische, Thomas"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1758"]
[BlackElo "1422"]
[PlyCount "77"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. e3 Bb7 4. Nf3 g6 5. Nc3 a6 6. Be2 d6 7. b3 Nd7 8. Bb2 Bg7 9. 0-0 Ne7 10. Qc2 0-0 11. e4 Qe8 12. Bd3 h6 13. Rae1 c5 14. Nd1 cxd4 15. Nxd4 Nc5 16. f3 Nxd3 17. Qxd3 Qd7 18. Rf2 e5 19. Nc2 Rad8 20. Nde3 a5 21. Rd1 Qc8 22. Ba3 Nc6 23. Nd5 Qe6 24. Nxb6 Nd4 25. Nd5 Bxd5 26. cxd5 Qd7 27. Nxd4 exd4 28. Bb2 Rc8 29. Bxd4 Bxd4 30. Qxd4 Rc5 31. h3 Rfc8 32. Kh2 Qe7 33. f4 Qh4 34. g3 Qh5 35. Rdd2 g5 36. Qf6 Rc1 37. h4 R8c3 38. fxg5 Qg4 39. Qxf7+ 1-0

[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.23"]
[Round "7"]
[White "Von Oehsen, Hasso"]
[Black "Wundahl, Juergen"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1758"]
[BlackElo "1627"]
[PlyCount "56"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. e3 bxc4 5. Bxc4 d6 6. Nc3 g6 7. Nge2 Bg7 8. 0-0 0-0 9. Qc2 Nbd7 10. Ng3 Nb6 11. Qb3 Ng4 12. f4 Nxc4 13. Qxc4 Bb7 14. h3 Nf6 15. a4 Qc8 16. Rd1 Ba6 17. Nb5 Rb8 18. Rb1 Bxb5 19. axb5 Qb7 20. Ra1 Ra8 21. Ra3 Rfb8 22. Rb3 a6 23. b6 Nd7 24. f5 Nxb6 25. Qg4 Qd7 26. h4 h5 27. Nxh5 gxh5 28. Qxh5 Nc4 0-1

[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.17"]
[Round "2"]
[White "Rademacher, Uwe"]
[Black "Von Oehsen, Hasso"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1503"]
[BlackElo "1758"]
[PlyCount "116"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Be2 Be7 6. Nbd2 0-0 7. 0-0 Nc6 8. c3 Bd6 9. Qc2 Bg4 10. h3 Bh5 11. Re1 Bg6 12. Bd3 Bxd3 13. Qxd3 Re8 14. Rxe8+ Qxe8 15. Nf1 h6 16. Be3 Qd7 17. N1d2 a6 18. a3 Re8 19. c4 dxc4 20. Nxc4 Bc5 21. Rd1 Rd8 22. Nce5 Nxe5 23. Nxe5 Qe6 24. Qc2 Bb6 25. Nc4 Nd5 26. Nxb6 Qxb6 27. Rd3 Qe6 28. Bd2 Qe4 29. Bxh6 Rd6 30. Be3 Rg6 31. g4 Nxe3 32. fxe3 Rh6 33. Kh2 Qxg4 34. Qg2 Qd7 35. e4 Rg6 36. Qf2 Rf6 37. Qd2 Re6 38. e5 c6 39. d5 Rxe5 40. dxc6 Qxc6 41. Rc3 Qe4 42. Rc8+ Kh7 43. Rc2 Rf5 44. Qc3 Qe5+ 45. Qxe5 Rxe5 46. Kg3 Re3+ 47. Kh2 Rb3 48. Rf2 f6 49. Rc2 g5 50. Kg2 Kg6 51. Kh2 f5 52. Rd2 Kf6 53. Re2 f4 54. Rd2 Ke5 55. Kg2 Ke4 56. Rc2 b5 57. Rf2 Re3 58. Kh2 Kd3 0-1

[Event "Bremen-ch op"]
[Site "Delmenhorst"]
[Date "2011.04.16"]
[Round "1"]
[White "Von Oehsen, Hasso"]
[Black "Hochhuth, Arnd"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1758"]
[PlyCount "76"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 c5 7. 0-0 Nc6 8. e3 a6 9. a3 Rb8 10. Qc2 Bf5 11. e4 cxd4 12. exf5 dxc3 13. bxc3 Qa5 14. fxg6 hxg6 15. Bg5 Qc5 16. Bxf6 Bxf6 17. Nd2 Bg7 18. Rfe1 Ne5 19. Re4 f5 20. Rh4 e6 21. Nb3 Qc7 22. Nd4 Qe7 23. Nxe6 Rf6 24. Nxg7 Kxg7 25. Kf1 g5 26. Rd4 f4 27. Qe4 f3 28. Bxf3 Rxf3 29. Re1 Rbf8 30. Re2 Qf7 31. Rdd2 Qxc4 32. Qxb7+ R8f7 33. Qb2 Rxf2+ 34. Kg1 Rf1+ 35. Kg2 Qc6+ 36. Kh3 g4+ 37. Kh4 Nf3+ 38. Kxg4 Qd7+ 0-1

[Event "Bremen-ch Seniors"]
[Site "Bremen"]
[Date "2010.04.03"]
[Round "7"]
[White "Von Oehsen, Hasso"]
[Black "Hartmann, Horst Werner"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1717"]
[BlackElo "1512"]
[PlyCount "72"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Bf5 4. g3 Nf6 5. Bg2 h6 6. 0-0 e6 7. Ne5 Ng4 8. Nxg4 Bxg4 9. c3 Nd7 10. f3 Bh5 11. Qc1 Be7 12. e4 Bg5 13. Re1 0-0 14. Na3 Qf6 15. Bxg5 hxg5 16. e5 Qh6 17. Qe3 Kh7 18. Rf1 Bg6 19. f4 g4 20. Kf2 Bf5 21. Rh1 Qg6 22. h3 Kg8 23. hxg4 Bxg4 24. Rh4 f5 25. exf6 Nxf6 26. Rah1 Bf5 27. Bf3 Ne4+ 28. Bxe4 Bxe4 29. R1h2 Qf6 30. Ke2 Kf7 31. Kd2 Ke7 32. Rh5 Kd6 33. c4 g6 34. Rh6 Rh8 35. cxd5 exd5 36. f5 Qxf5 1-0

[Event "Bremen-ch Seniors"]
[Site "Bremen"]
[Date "2010.04.02"]
[Round "6"]
[White "Bauer, Wolfgang2222"]
[Black "Von Oehsen, Hasso"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1916"]
[BlackElo "1717"]
[PlyCount "41"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. 0-0 Bd6 7. Nbd2 0-0 8. Qe2 Re8 9. dxc5 Bxc5 10. e4 dxe4 11. Nxe4 Be7 12. Rd1 Qc7 13. Nfg5 Nxe4 14. Qxe4 g6 15. Qh4 h5 16. g4 Ne5 17. Be2 Kg7 18. gxh5 Rh8 19. h6+ Rxh6 20. Qxh6+ Kxh6 21. Nxe6+ 1-0

[Event "Bremen-ch Seniors"]
[Site "Bremen"]
[Date "2010.03.30"]
[Round "4"]
[White "Von Oehsen, Hasso"]
[Black "Kuenitz, Bernhard"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1717"]
[BlackElo "1806"]
[PlyCount "90"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 g6 3. g3 Bg7 4. c3 Nf6 5. Bg2 Nbd7 6. Nbd2 0-0 7. 0-0 Re8 8. Re1 Rb8 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 b6 12. Qb3 Bb7 13. Re1 Nf6 14. Ne5 Bd5 15. Bxd5 Qxd5 16. Qxd5 Nxd5 17. Nc6 Ra8 18. c4 Nf6 19. Bf4 e6 20. Re2 h6 21. h4 a5 22. a4 Nh5 23. Bd2 f5 24. Rae1 Kf7 25. Kg2 Bf8 26. Ne5+ Kg7 27. Bc3 Nf6 28. f3 Bd6 29. d5 Bb4 30. dxe6 Bxc3 31. bxc3 Rxe6 32. Nd3 Rxe2+ 33. Rxe2 Re8 34. Kf2 Rxe2+ 35. Kxe2 Nd7 36. Ke3 g5 37. hxg5 hxg5 38. Kd4 Kf6 39. Kd5 Ke7 40. c5 bxc5 41. Nxc5 c6+ 42. Kd4 Nb6 43. Ke5 f4 44. gxf4 gxf4 45. Kxf4 Nd5+ 1/2-1/2

[Event "Bremen-ch Seniors"]
[Site "Bremen"]
[Date "2010.03.29"]
[Round "3"]
[White "Radloff, Guenter"]
[Black "Von Oehsen, Hasso"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1765"]
[BlackElo "1717"]
[PlyCount "110"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 c6 3. b3 d5 4. Bb2 Nd7 5. e3 Ngf6 6. Ne2 Bd6 7. 0-0 0-0 8. d3 Qe7 9. a4 Ng4 10. h3 Nh6 11. e4 dxe4 12. dxe4 Nc5 13. Ba3 Rd8 14. Qc1 Ne6 15. Rd1 Bxa3 16. Rxd8+ Qxd8 17. Nxa3 b6 18. Qe3 f6 19. f4 Nf7 20. Kh2 c5 21. Re1 Bb7 22. Nb5 Nd4 23. Qd3 Nxb5 24. axb5 Qxd3 25. cxd3 a6 26. bxa6 Rxa6 27. Nc3 Ra3 28. Rb1 Nd8 29. Na4 Ba6 30. Bf1 Ra2+ 31. Kg1 Rd2 32. Nb2 Nc6 33. Nc4 Bxc4 34. bxc4 Nd4 35. Bg2 Rxd3 36. Rxb6 exf4 37. gxf4 Ne2+ 38. Kf2 Nxf4 39. Rc6 Rc3 40. Bf1 Nxh3+ 41. Bxh3 Rxh3 42. Rxc5 h6 43. Rc7 Kh7 44. Ke2 h5 45. Kd2 h4 46. Ra7 Rg3 47. Ra1 Rb3 48. c5 g5 49. c6 Rb8 50. c7 Rc8 51. Rc1 Kg6 52. Ke2 h3 53. Kf2 Kh5 54. Kg3 h2 55. Kxh2 Kg4 1/2-1/2

[Event "Bremen-ch Seniors"]
[Site "Bremen"]
[Date "2010.03.28"]
[Round "2"]
[White "Von Oehsen, Hasso"]
[Black "Pundt, Wilfried"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1717"]
[BlackElo "1812"]
[PlyCount "86"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 f5 4. c4 Nf6 5. cxd5 exd5 6. Nc3 c6 7. Ne5 Be7 8. Bd3 0-0 9. 0-0 Qe8 10. Qc2 Ne4 11. f3 Nd6 12. Bd2 Nd7 13. Nxd7 Bxd7 14. e4 dxe4 15. fxe4 Qh5 16. e5 Nb5 17. Nxb5 cxb5 18. Bxb5 Rad8 19. Bxd7 Rxd7 20. Qc4+ Kh8 21. d5 Bd8 22. d6 Bb6+ 23. Kh1 Re8 24. Bc3 Qg6 25. Rf3 Qf7 26. Qxf7 Rxf7 27. Raf1 Kg8 28. Rxf5 Rxf5 29. Rxf5 g6 30. Rf3 a5 31. a3 Bd8 32. g3 b5 33. b4 axb4 34. axb4 Bg5 35. h4 Bd8 36. Kg2 Re6 37. Kf2 g5 38. hxg5 Bxg5 39. Ke2 h5 40. Kd3 h4 41. gxh4 Bxh4 42. Ke4 Rg6 43. Kd5 Rg3 1-0

[Event "Bremen-ch Seniors"]
[Site "Bremen"]
[Date "2010.03.27"]
[Round "1"]
[White "Bendermann, Lew"]
[Black "Von Oehsen, Hasso"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "1931"]
[BlackElo "1717"]
[PlyCount "30"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. a4 Bb4 7. Qc2 Nbd7 8. e3 b5 9. Be2 Bb7 10. 0-0 a6 11. Rfd1 Be7 12. e4 Nd5 13. exd5 Bxg5 14. dxe6 Nf6 15. exf7+ Kxf7 1-0

