[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Gaertig, Lothar"]
[Black "Osterroth, R."]
[Result "1-0"]
[ECO "B15"]
[PlyCount "41"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. h3 Bg7 5. Nf3 Nh6 6. Bf4 f6 7. exd5 cxd5 8. Nb5 0-0 9. c4 e5 10. dxe5 fxe5 11. Bg5 Qa5+ 12. Qd2 Qxd2+ 13. Nxd2 Na6 14. cxd5 Nb4 15. Rc1 Bf5 16. Be7 Nc2+ 17. Kd1 Rfc8 18. Nd6 Rc7 19. Bg5 Rf8 20. Nxf5 Rxf5 21. Ne4 1-0

[Event "DDR corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Osterroth, R."]
[Black "Fechner, Juergen"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "73"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 Nbd7 7. Nbd2 b6 8. b3 Bb7 9. Bb2 c5 10. Rc1 dxc4 11. Nxc4 b5 12. Nce5 Nxe5 13. Nxe5 Bxg2 14. Kxg2 Rc8 15. dxc5 Bxc5 16. b4 Bb6 17. Nc6 Qxd1 18. Rfxd1 Rc7 19. Be5 Rb7 20. Bd6 Re8 21. Bc5 Bxc5 22. Rxc5 Kf8 23. Na5 Rb6 24. f3 Nd5 25. Rd4 f5 26. e4 fxe4 27. fxe4 Nf6 28. Kf3 a6 29. Nc6 Rc8 30. Nd8 Ra8 31. e5 Ne8 32. Rd7 a5 33. bxa5 Rxa5 34. Rc8 Rba6 35. Rf7+ Kg8 36. Re7 Kf8 37. Nc6 1-0

[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Osterroth, R."]
[Black "Werth, E."]
[Result "1-0"]
[ECO "E02"]
[PlyCount "79"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 c5 9. Nc3 Bc6 10. 0-0 Nbd7 11. Rd1 Qb6 12. e4 cxd4 13. Nxd4 Bc5 14. Nxc6 Bxf2+ 15. Kf1 bxc6 16. Na4 Qa5 17. Kxf2 Qxa4 18. Qd6 Nc5 19. Kg1 Nb7 20. Qd4 Qxd4+ 21. Rxd4 0-0 22. Bg5 Rfd8 23. Rb4 Rd7 24. Bxf6 gxf6 25. e5 Rad8 26. exf6 Rc7 27. Rc1 Rdc8 28. Rxc6 Rxc6 29. Bxc6 Nc5 30. Rd4 h6 31. Bf3 Na6 32. Ra4 Rc1+ 33. Kg2 Rc2+ 34. Kh3 Nc5 35. Rxa7 Rxb2 36. Rc7 Rf2 37. Kg4 h5+ 38. Kf4 Nd3+ 39. Ke3 Rxh2 40. Be4 1-0

[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1983.??.??"]
[Round "?"]
[White "Zuechner, Georg"]
[Black "Osterroth, R."]
[Result "0-1"]
[ECO "B15"]
[PlyCount "64"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. e5 h5 5. f4 Nh6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bd3 h4 10. Ne2 c5 11. c3 Nc6 12. Be3 cxd4 13. Nxd4 Nxd4 14. Bxd4 a6 15. 0-0-0 Rc8 16. Kb1 Nf5 17. Bf2 Bc5 18. Rhe1 Qb6 19. Bxc5 Rxc5 20. Bxf5 gxf5 21. Rd4 Rg8 22. Rb4 Rb5 23. Rxb5 Qxb5 24. Qf2 Rg3 25. Rd1 Kd7 26. Kc1 Qc4 27. a3 Qe4 28. Rd2 Re3 29. Rc2 Re1+ 30. Kd2 Rb1 31. b4 Ra1 32. Rb2 Rxa3 0-1

[Event "DDR corr"]
[Site "DDR"]
[Date "1982.??.??"]
[Round "?"]
[White "Osterroth, R."]
[Black "Porzig, Hermann"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "50"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 0-0 5. Bg2 d5 6. Qc2 c5 7. Ngf3 cxd4 8. Nxd4 e5 9. Nb5 a6 10. Nc3 dxc4 11. Nxc4 Qc7 12. Ne3 Nc6 13. Bd2 Be6 14. b3 Nd4 15. Qb2 Rac8 16. Ned1 Bf5 17. 0-0 Rfd8 18. Be1 Nc2 19. e4 Nxe1 20. Rxe1 Bg4 21. Re3 Bc5 22. Re1 Bd4 23. Rc1 Rd7 24. h3 Bxd1 25. Rexd1 Bxc3 0-1

[Event "DDR-Cup6 sf02 corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Bauernfeind, K."]
[Black "Osterroth, R."]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "59"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. Bf4 Nbd5 11. Be5 Qa5+ 12. Nd2 cxd4 13. Bxd4 Be7 14. 0-0-0 b5 15. c4 bxc4 16. Nxc4 Qb4 17. Nf3 Ba6 18. Kb1 0-0 19. Rc1 Nb6 20. Nfd2 Rfc8 21. Rc2 Rc7 22. f4 Nfd5 23. g3 Rac8 24. Rhc1 Bf6 25. Be5 Bxe5 26. fxe5 Qb5 27. Qe4 Nb4 28. Nd6 Qd3 29. Qxb4 Nd5 30. Qe4 1/2-1/2

[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Freidank, Wilfried"]
[Black "Osterroth, R."]
[Result "0-1"]
[ECO "B17"]
[PlyCount "110"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bc4 Nb6 8. Bb3 c5 9. c3 Qc7 10. dxc5 Bxc5 11. 0-0 0-0 12. Qe2 Bd7 13. Bg5 Be7 14. Bc2 Bc6 15. Nd4 Bd5 16. Bxf6 Bxf6 17. Qd3 g6 18. Rfe1 Rfd8 19. Ne4 Bg7 20. Nf3 Bxa2 21. Qe3 Bd5 22. Qg5 a6 23. Nf6+ Bxf6 24. Qxf6 Nd7 25. Qh4 Bxf3 26. gxf3 Kg7 27. Ra4 Rac8 28. Rf4 Nf8 29. Qf6+ Kg8 30. Ree4 Rd7 31. Bb3 Qd8 32. Qe5 Rc6 33. c4 f5 34. Rd4 Rxd4 35. Rxd4 Qg5+ 36. Kf1 b6 37. Rd1 Qe7 38. Ba2 Qg7 39. Qe2 Qc7 40. Kg2 Kg7 41. b4 Kf6 42. Qd2 e5 43. h4 Ne6 44. Kg3 f4+ 45. Kg2 Nd4 46. Qb2 Nf5 47. Kh3 Qc8 48. Kh2 Nxh4 49. Rd3 Qf5 50. Qe2 Qh5 51. Kg1 Qg5+ 52. Kf1 Qg2+ 53. Ke1 Qg1+ 54. Kd2 Qa1 55. Bb3 Qb2+ 0-1

[Event "DDR-Cup6 sf02 corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Freidank, Wilfried"]
[Black "Osterroth, R."]
[Result "1-0"]
[ECO "B17"]
[PlyCount "51"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bc4 Nb6 8. Bb3 c5 9. c3 Qc7 10. dxc5 Nbd7 11. c6 Qxc6 12. 0-0 Be7 13. Re1 Nc5 14. Ne5 Qc7 15. Bf4 Nxb3 16. Qxb3 Nd5 17. Nxf7 Nxf4 18. Nxh8 Kf8 19. Nf5 Qc6 20. f3 Qc5+ 21. Nd4 Bf6 22. Kh1 Qg5 23. g3 Nd3 24. Rxe6 Bxd4 25. Re2 Qf6 26. cxd4 1-0

[Event "DDR-Cup6 sf02 corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Gross, A."]
[Black "Osterroth, R."]
[Result "1-0"]
[ECO "D78"]
[PlyCount "71"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. Nbd2 a5 8. b3 a4 9. a3 axb3 10. cxd5 cxd5 11. Qxb3 Nc6 12. Bb2 Ne4 13. e3 Nxd2 14. Nxd2 Na5 15. Qxd5 Qb6 16. Bc3 Rd8 17. Qe4 Nc6 18. Qb1 Qa6 19. Qb2 Be6 20. Ne4 b6 21. Ng5 Bd5 22. e4 Bc4 23. d5 Bxc3 24. Qxc3 Na5 25. Rfe1 Nb3 26. Rad1 b5 27. e5 f6 28. Ne4 Qxa3 29. d6 Rab8 30. Ra1 b4 31. Rxa3 bxc3 32. dxe7 Rdc8 33. Nd6 c2 34. Nxc8 Rxc8 35. Rxb3 Bxb3 36. Bc6 1-0

[Event "DDR-Cup6 sf02 corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Osterroth, R."]
[Black "Bondick, Karl Heinz"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "65"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 e6 2. g3 d5 3. Nf3 f5 4. Bg2 Nf6 5. 0-0 Bd6 6. c4 c6 7. Bf4 0-0 8. Nbd2 h6 9. e3 g5 10. Bxd6 Qxd6 11. Ne5 Nbd7 12. Nd3 Ne4 13. cxd5 exd5 14. Nf3 Kg7 15. Qc2 Qe6 16. Rab1 Ndf6 17. b4 Nd6 18. Nfe5 Qe8 19. a4 a6 20. f3 Be6 21. Qc5 Rd8 22. Rfc1 Bf7 23. Qb6 Nd7 24. Nxd7 Qxe3+ 25. Kh1 Rxd7 26. Ne5 Nc8 27. Qc5 Rdd8 28. Rd1 f4 29. Rd3 Qe2 30. Qc1 Rde8 31. Bf1 Qa2 32. Ra1 Qf2 33. Ng4 1-0

[Event "DDR-Cup6 sf02 corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Osterroth, R."]
[Black "Packroff, Hermann"]
[Result "1/2-1/2"]
[ECO "D78"]
[PlyCount "76"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. 0-0 0-0 7. Nbd2 a5 8. Ne5 Nbd7 9. Ndf3 Nxe5 10. dxe5 Ne4 11. cxd5 cxd5 12. Be3 Be6 13. Rc1 Qd7 14. Qd4 Rfc8 15. Nd2 Nxd2 16. Bxd2 Bf5 17. Qxd5 Qxd5 18. Bxd5 Rd8 19. Rc5 e6 20. Bxb7 Ra7 21. Bg5 Rb8 22. Bg2 h6 23. Bf6 g5 24. b3 a4 25. e4 Bg6 26. Rb1 Rab7 27. Rc3 Rb4 28. Be7 Rd4 29. Bc5 Rd2 30. Be3 Rxa2 31. Bd4 axb3 32. Rcxb3 Rxb3 33. Rxb3 Rd2 34. Bb2 Rd1+ 35. Bf1 Bxe4 36. Re3 Bd5 37. Bc3 Bc4 38. Be1 Bxf1 1/2-1/2

[Event "DDR-Cup6 sf02 corr"]
[Site "DDR"]
[Date "1979.??.??"]
[Round "?"]
[White "Osterroth, R."]
[Black "Wuensch, Rudolf"]
[Result "1-0"]
[ECO "D74"]
[PlyCount "71"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 Nf6 8. Nc3 Nbd7 9. e4 Nb6 10. Qb3 c6 11. Rd1 Be6 12. Qc2 Rc8 13. b3 Bg4 14. h3 Bxf3 15. Bxf3 Nfd7 16. Ba3 Re8 17. Qd3 e6 18. Rac1 Nf8 19. d5 cxd5 20. exd5 Rxc3 21. Rxc3 Bxc3 22. Qxc3 e5 23. d6 Qd7 24. Qc7 e4 25. Bg2 f5 26. Qc5 Rc8 27. Qa5 Rc2 28. Bc5 Qc6 29. Be3 Nfd7 30. Bf1 h5 31. Bb5 Qc8 32. Qxa7 f4 33. Bxb6 e3 34. Bxe3 fxg3 35. Qd4 gxf2+ 36. Bxf2 1-0

[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1978.??.??"]
[Round "?"]
[White "Gerber, Klaus"]
[Black "Osterroth, R."]
[Result "1-0"]
[ECO "D87"]
[PlyCount "85"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 0-0 9. Be3 Nc6 10. 0-0 Qc7 11. Rc1 Rd8 12. Qd2 Qa5 13. Rfd1 Bd7 14. Qb2 b5 15. Bd5 e6 16. Bb3 cxd4 17. cxd4 Rac8 18. Bg5 Re8 19. Bd2 b4 20. Be3 Ne7 21. Qd2 Ba4 22. Rxc8 Rxc8 23. Rb1 Bxb3 24. Rxb3 Rc4 25. a3 Nc6 26. h3 Bf8 27. axb4 Qa1+ 28. Kh2 Nxb4 29. Rc3 Rxc3 30. Nxc3 Bg7 31. e5 Qa6 32. Ne4 Nd5 33. Bg5 Qb7 34. Qa5 Qc7 35. Qb5 h6 36. Qe8+ Kh7 37. Bd8 Qc8 38. Nd6 Qc1 39. Qxf7 Nf6 40. g4 Qd2 41. Kg3 Qd3+ 42. Kg2 Nxg4 43. Bf6 1-0

[Event "DDR-Cup corr"]
[Site "DDR"]
[Date "1978.??.??"]
[Round "?"]
[White "Grosch"]
[Black "Osterroth, R."]
[Result "1-0"]
[ECO "B17"]
[PlyCount "63"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 Nbd7 12. Ngf3 Nxe5 13. Nxe5 0-0 14. 0-0 b6 15. Rd1 Qe7 16. b4 Bd6 17. Bb2 Bb7 18. a3 Rfd8 19. c4 a5 20. b5 Rac8 21. Rd2 Nd7 22. Nxd7 Rxd7 23. Qg4 Qf8 24. Rad1 f5 25. Qg6 Re8 26. Bc2 Red8 27. Qxe6+ Qf7 28. Qxf7+ Kxf7 29. Be5 Ke6 30. Bxd6 Rxd6 31. Bxf5+ Ke5 32. f4+ 1-0

[Event "DDR-Cup5 sf05 corr"]
[Site "DDR"]
[Date "1977.??.??"]
[Round "?"]
[White "Ketzscher, Roland"]
[Black "Osterroth, R."]
[Result "1-0"]
[ECO "B10"]
[PlyCount "85"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "DDR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 e5 6. Bg2 Ne7 7. 0-0 0-0 8. b4 a5 9. bxa5 Qxa5 10. Bb2 Qc7 11. a4 d4 12. c3 c5 13. cxd4 cxd4 14. Nc4 Nec6 15. Ba3 Rd8 16. Bc5 Re8 17. Nb6 Ra6 18. Nd5 Qd8 19. Qd2 Be6 20. Rfb1 Nd7 21. Qc1 Nxc5 22. Qxc5 Bxd5 23. exd5 Na5 24. Qb5 e4 25. dxe4 Rxe4 26. Ne1 Re7 27. Nd3 Rd6 28. Ra2 Qc7 29. Nc5 b6 30. Ne4 Rxe4 31. Bxe4 Nb7 32. Rc2 Qe7 33. Rc8+ Bf8 34. Re8 Qc7 35. Qa6 Nc5 36. Qa8 Nxe4 37. Rxf8+ Kg7 38. Rg8+ Kh6 39. Qf8+ Kg5 40. h4+ Kg4 41. Re1 Kf3 42. Qh6 Rxd5 43. Re3+ 1-0

