[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.10"]
[Round "8"]
[White "Rieger, Isabelle"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1704"]
[BlackElo "1847"]
[PlyCount "48"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 c6 5. 0-0 d5 6. c4 Be7 7. Bf4 0-0 8. Nbd2 Ne4 9. Rc1 Nd7 10. Nxe4 fxe4 11. Ne5 Nxe5 12. Bxe5 Bf6 13. Bf4 Qb6 14. Be5 Bxe5 15. dxe5 Qxb2 16. Qc2 Qxe5 17. Qb3 Kh8 18. Qe3 Qf6 19. f3 exf3 20. Rxf3 Qd8 21. Rcf1 Rxf3 22. Qxf3 Bd7 23. cxd5 exd5 24. Qb3 Qb6+ 0-1

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.08"]
[Round "6"]
[White "Koch, Siegfried"]
[Black "Scheffler, Juergen"]
[Result "1-0"]
[ECO "B83"]
[WhiteElo "1847"]
[BlackElo "1149"]
[PlyCount "71"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. Be2 Nf6 7. 0-0 Be7 8. Kh1 0-0 9. f4 d5 10. e5 Nd7 11. Nxc6 bxc6 12. Bd3 f5 13. exf6 Nxf6 14. Qe2 Rb8 15. b3 Bd6 16. Bd2 Bc7 17. Na4 Bd6 18. Rae1 Re8 19. g4 e5 20. f5 e4 21. Ba6 Bxa6 22. Qxa6 Nxg4 23. Qxc6 Bxh2 24. f6 Re5 25. f7+ Kf8 26. Qc5+ Qe7 27. Qxe7+ Kxe7 28. Bb4+ Ke6 29. f8Q Rxf8 30. Rxf8 Rh5 31. Kg2 Be5 32. Nc5+ Ke7 33. Nxe4+ Kd7 34. Ng3 Rh2+ 35. Kf3 Nf6 36. Rxe5 1-0

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.07"]
[Round "5"]
[White "Von der Lippe, Hans Bernd"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1679"]
[BlackElo "1847"]
[PlyCount "104"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. a3 cxd4 8. cxd4 Qb6 9. f4 f5 10. Nf3 Be7 11. Nc3 a6 12. g3 Qd8 13. Bd3 b5 14. b4 Nb6 15. Be3 Nc4 16. Qe2 Bd7 17. 0-0 0-0 18. Rfd1 Qe8 19. Bxc4 bxc4 20. b5 Na5 21. a4 Nb3 22. Rab1 axb5 23. axb5 Bxb5 24. Nd2 Rb8 25. g4 Nxd2 26. Rxd2 Bd7 27. Rxb8 Qxb8 28. Rb2 Qa8 29. gxf5 Rxf5 30. Qc2 Rf8 31. Qb1 Bc6 32. Ne2 Qa3 33. Bd2 Qf3 34. Bc3 Bh4 35. Qf1 Qxf1+ 36. Kxf1 g5 37. Rb6 Bd7 38. Rb7 Rf7 39. Kg2 gxf4 40. Kf3 Bg5 41. Rb8+ Kg7 42. Rb1 h6 43. Kg4 Kg6 44. Rb8 h5+ 45. Kf3 Kg7 46. Bd2 Ba4 47. Rb6 Bd7 48. Be1 Kg6 49. h4 Bh6 50. Bb4 Kf5 51. Rb8 Ba4 52. Rh8 Kg6 1/2-1/2

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.06"]
[Round "4"]
[White "Koch, Siegfried"]
[Black "Schneider, Wladimir"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1847"]
[BlackElo "1615"]
[PlyCount "47"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 b5 5. Bb3 a5 6. a4 b4 7. Nce2 d5 8. exd5 cxd5 9. Nf4 e6 10. Nf3 Ba6 11. Be3 Nc6 12. Nd3 Nge7 13. Nc5 Qb6 14. Nxa6 Qxa6 15. Qe2 Qxe2+ 16. Kxe2 Nf5 17. Rhd1 Nxe3 18. fxe3 Bh6 19. c4 bxc3 20. bxc3 Ke7 21. Rab1 Rhd8 22. Bc2 Rab8 23. Rxb8 Rxb8 24. Rb1 1/2-1/2

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.05"]
[Round "3"]
[White "Gikas, Andreas Basilius"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2187"]
[BlackElo "1847"]
[PlyCount "76"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. b3 Nf6 4. Bb2 Be7 5. g3 c6 6. Bg2 0-0 7. 0-0 d5 8. d3 a5 9. a3 Bd7 10. Nbd2 Be8 11. Qc2 Qc8 12. Rfe1 Bh5 13. Ne5 Nbd7 14. Nxd7 Qxd7 15. h3 Qc7 16. cxd5 Nxd5 17. e4 Nf6 18. Nc4 Rad8 19. Be5 Qd7 20. exf5 Qxd3 21. Qxd3 Rxd3 22. g4 Be8 23. Nxa5 b6 24. Bf1 Rd5 25. Nc4 b5 26. Nb6 Rd2 27. Bf4 Rb2 28. b4 Bd8 29. Nc8 exf5 30. Bd6 Rf7 31. Be5 Rd2 32. Bxf6 Bxf6 33. Rxe8+ Rf8 34. Rae1 Bd4 35. Rxf8+ Kxf8 36. Re2 Rd1 37. Nd6 g6 38. gxf5 gxf5 1-0

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.04"]
[Round "2"]
[White "Koch, Siegfried"]
[Black "Spreemann, Ralf"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1847"]
[BlackElo "2011"]
[PlyCount "80"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Qc2 Nc6 8. Be3 0-0 9. Be2 dxc4 10. Bxc4 Be7 11. 0-0 Nb4 12. Qe2 a6 13. a3 Nbd5 14. Nxd5 Nxd5 15. Rac1 b5 16. Bd3 Bb7 17. Rc2 b4 18. a4 Qa5 19. b3 Nc3 20. Qe1 Bxf3 21. gxf3 Qh5 22. Kg2 Bd6 23. Rh1 Rae8 24. Qc1 f5 25. Bf4 Bxf4 26. Qxf4 Nd5 27. Qe5 Rf6 28. Be2 Qg6+ 29. Kf1 Qh6 30. Ke1 a5 31. Bc4 Rd8 32. Rg1 f4 33. Rg2 Rf5 34. Qe4 Rf6 35. Bd3 Nc3 36. Qb7 Rf7 37. Qb6 Rfd7 38. Bc4 Rd6 39. Qa7 Rxd4 40. Be2 Rd1+ 0-1

[Event "Bad Godesberg op 17th"]
[Site "Bad Godesberg"]
[Date "2013.08.03"]
[Round "1"]
[White "Vieten, Michael"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "1674"]
[BlackElo "1847"]
[PlyCount "82"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. h4 Nc6 12. Rh3 cxd4 13. cxd4 h5 14. Qf4 Qe7 15. a3 Bd7 16. Bb5 Rf8 17. Bxc6 Bxc6 18. Rf3 Rc8 19. Nh3 Qc7 20. Ng5 Qa5+ 21. c3 Qb5 22. Rc1 Qb2+ 23. Rc2 Qxa3 24. Nh7 a5 25. Nxf8 Qxf8 26. Kc1 b5 27. Kb1 Bd7 28. g4 hxg4 29. Qxg4 b4 30. h5 gxh5 31. Qxh5 b3 32. Rb2 a4 33. Rh3 Bb5 34. Qh8 Qxh8 35. Rxh8+ Kd7 36. Rxc8 Kxc8 37. Rd2 a3 38. f4 Bf1 39. Rd1 Bh3 40. Rg1 Bf5+ 41. Ka1 Kb7 0-1

[Event "GER corr"]
[Site "GER email"]
[Date "2004.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Mergard, Hans Peter"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "54"]
[EventDate "2004.??.??"]
[EventType "swiss (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Germany"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Re1 Bf5 10. Qc2 Bg6 11. c5 Bc7 12. Nc3 Na6 13. a3 Re8 14. Bd2 Nxc3 15. Rxe8+ Qxe8 16. Qxc3 Qd7 17. Bxg6 hxg6 18. Re1 Re8 19. Rxe8+ Qxe8 20. Qd3 Nb8 21. b4 Nd7 22. b5 Nf6 23. bxc6 Qxc6 24. h3 Ne4 25. Be3 Qa4 26. Ne5 Qe8 27. Nf3 Qa4 1/2-1/2

[Event "GER corr"]
[Site "GER email"]
[Date "2004.??.??"]
[Round "?"]
[White "Mergard, Hans Peter"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "67"]
[EventDate "2004.??.??"]
[EventType "swiss (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Germany"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Qf2 Qe7 12. Bd3 Nxd3+ 13. cxd3 Bb7 14. 0-0 0-0 15. d4 Rac8 16. Rae1 Qd7 17. a3 Na5 18. Qg3 Kh8 19. Ng5 h6 20. f5 exf5 21. e6 fxe6 22. Nxe6 Rf6 23. Nc5 Qf7 24. Nxb7 Qxb7 25. Re5 Nc4 26. Rexf5 Rxf5 27. Rxf5 Nxb2 28. h3 Qb8 29. Qxb8 Rxb8 30. Nxd5 Nc4 31. Nc7 Rb6 32. Rf3 Rc6 33. Nd5 Rd6 34. Nc7 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Drosson, Franz"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "65"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[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 Qc7 13. 0-0 0-0 14. Bf4 Bd6 15. Nxd7 Bxd7 16. Bxd6 Qxd6 17. Rad1 Qb8 18. c3 Rd8 19. Ne5 Be8 20. Rd2 Rd5 21. c4 Rd6 22. b4 Qc7 23. c5 Rd5 24. Nc4 Rad8 25. Ne3 Rd4 26. Rfd1 Qe5 27. Nc4 Qxe2 28. Bxe2 Rxd2 29. Rxd2 Rxd2 30. Nxd2 Bc6 31. a3 Kf8 32. Nb3 Ke8 33. Nd4 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Horst, Lothar"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "E97"]
[PlyCount "74"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Re8 9. dxe5 dxe5 10. h3 Be6 11. c5 Nh5 12. Bb5 Bd7 13. Qb3 Nd4 14. Nxd4 exd4 15. Rad1 Be6 16. Qa4 c6 17. Be2 b5 18. cxb6 c5 19. b7 Rb8 20. Bxh5 gxh5 21. Bc1 Rxb7 22. Nd5 Qd7 23. Qc4 Bxd5 24. exd5 Qb5 25. Qxb5 Rxb5 26. b3 Rd8 27. Rfe1 Kf8 28. Re2 f5 29. Rde1 Rb7 30. Ba3 Rxd5 31. Re8+ Kf7 32. Rc8 c4 33. bxc4 Ra5 34. Bd6 Rd7 35. Rc5 Rxc5 36. Bxc5 Rc7 37. Ba3 Kf6 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Keller, Manfred"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "69"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Qb6 10. 0-0 a5 11. Kh1 Rc8 12. g4 Nfe7 13. Nh4 Ng6 14. Ng2 Be7 15. f4 Nh4 16. Nxh4 Bxh4 17. Rb1 a4 18. Be3 Na5 19. Qd3 Be7 20. f5 Qc7 21. Rbc1 Nc4 22. Ne1 Qb6 23. b3 Nxe3 24. Rxc8+ Bxc8 25. Qxe3 axb3 26. axb3 Bd7 27. f6 gxf6 28. exf6 Bd8 29. g5 Bc7 30. Nf3 Bb5 31. Bxb5+ Qxb5 32. Rc1 Ba5 33. Ne5 Bd8 34. h4 Qa6 35. h5 1-0

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Bach, Werner"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "55"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 Nf6 4. Qe2 e6 5. Nf3 c5 6. c3 Be7 7. 0-0 d5 8. e5 Nfd7 9. a3 Nc6 10. b4 0-0 11. Bc2 Re8 12. Be3 Rc8 13. Rc1 f6 14. Nbd2 cxd4 15. cxd4 fxe5 16. dxe5 Ndxe5 17. Nxe5 Nxe5 18. Bd4 Nf7 19. Ba4 Rf8 20. Qxe6 Bg5 21. Qe2 Rxc1+ 22. Rxc1 Bf4 23. g3 Bxd2 24. Qxd2 Ng5 25. Bd1 Nf3+ 26. Bxf3 Rxf3 27. Qe2 Rf7 28. Rc3 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Gundrum, Andreas"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "40"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Qe1 e6 11. h4 Re8 12. Nb3 Qc7 13. Bg5 dxe4 14. Nb5 Qb8 15. Nd6 Rd8 16. Bxf6 Bxf6 17. Nxe4 Rxd1+ 18. Qxd1 Bg7 19. Qd6 Qxd6 20. Nxd6 Be5 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Krueger, Wolfgang"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "72"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. Re1 Nbd7 8. Bf4 Nh5 9. Bg5 h6 10. Be3 e5 11. Qd2 Kh7 12. Rad1 Qe7 13. a4 Nhf6 14. h3 a5 15. dxe5 dxe5 16. Qd6 Qxd6 17. Rxd6 Re8 18. Bc4 Bf8 19. Rd3 Kg7 20. g4 g5 21. Red1 Nc5 22. Bxc5 Bxc5 23. Kg2 Rb8 24. Ng1 h5 25. f3 b6 26. Nge2 h4 27. Nc1 Bb7 28. R1d2 Rec8 29. N1e2 Bb4 30. Rd1 Rc7 31. Kh1 Bc8 32. Kg2 b5 33. Bb3 Ba6 34. Rd8 Rxd8 35. Rxd8 bxa4 36. Bxa4 Nd7 0-1

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Kuhl, Eckhard"]
[Result "1/2-1/2"]
[ECO "C82"]
[PlyCount "54"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Bg4 11. Bc2 Be7 12. Re1 0-0 13. Nf1 Re8 14. h3 Bh5 15. Ng3 Bg6 16. Be3 Bxc2 17. Qxc2 Nd7 18. Bd4 Nf8 19. Rad1 Qd7 20. Qf5 Qe6 21. Be3 Ng6 22. Nd4 Qxf5 23. Ndxf5 Ncxe5 24. Rxd5 c6 25. Nxe7+ Rxe7 26. Rdd1 Nc4 27. Bc1 Rxe1+ 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Staehle, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "46"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bg4 5. Be2 e6 6. Ne5 Bxe2 7. Qxe2 Be7 8. 0-0 0-0 9. Rd1 Nd7 10. c4 N5b6 11. Nf3 c6 12. Nc3 Re8 13. Bf4 h6 14. a4 a5 15. Ne5 Bb4 16. Ne4 Qe7 17. Rd3 f6 18. Rg3 fxe5 19. Bxh6 exd4 20. Rxg7+ Qxg7 21. Bxg7 Kxg7 22. Qg4+ Kf8 23. Qf4+ Kg8 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Krebs, Juergen"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C05"]
[PlyCount "49"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. a3 a5 9. b3 a4 10. b4 c4 11. Nh3 Be7 12. Be2 Qc7 13. Qc2 b5 14. 0-0 Nf8 15. Be3 Qd8 16. Rae1 Bd7 17. Nf2 Ng6 18. Nh1 Bc8 19. Bd1 Nh4 20. Bf2 Nxf3+ 21. Bxf3 0-0 22. Bg4 Re8 23. Re3 g6 24. Qe2 Ra7 25. Bg3 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Peters, Andreas"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "54"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 0-0 10. 0-0-0 Nxd4 11. Bxd4 a6 12. g4 b5 13. g5 Qa5 14. Bxc5 Nxc5 15. Bg2 b4 16. Ne2 Qxa2 17. Qxb4 Nb7 18. Nc3 Qa5 19. Qxa5 Nxa5 20. Kb1 Rb8 21. b3 Bd7 22. Rhe1 Rfc8 23. Ne2 Nc6 24. Kb2 a5 25. c3 a4 26. b4 Na5 27. Nd4 Nc4+ 1/2-1/2

[Event "GER Cup B2 corr"]
[Site "GER corr"]
[Date "2001.??.??"]
[Round "?"]
[White "Voetter, Hans Dieter"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "E63"]
[PlyCount "45"]
[EventDate "2001.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nc6 7. Nc3 a6 8. e3 Rb8 9. Qe2 b5 10. Rd1 bxc4 11. Qxc4 Bb7 12. Qe2 d5 13. b3 e6 14. Ba3 Re8 15. Rac1 Rc8 16. Qc2 a5 17. Na4 Ba8 18. Nc5 Nd7 19. Qc3 Bf8 20. Rd2 Nf6 21. Ne5 Ne4 22. Bxe4 dxe4 23. Nc4 1-0

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "August, Adi"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "79"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. Nxe5 Nxe5 9. dxe5 Qc7 10. f4 Ne7 11. Nd2 g6 12. Bd3 Bg7 13. Nf3 0-0 14. Be3 Nf5 15. Bf2 a6 16. a3 Rad8 17. b4 cxb4 18. cxb4 Bc6 19. Bc5 Rfe8 20. a4 Rc8 21. Bf2 Qd7 22. Bb6 Ra8 23. Qb3 Qe7 24. b5 axb5 25. axb5 Bd7 26. Bxf5 gxf5 27. Rfc1 Rxa1 28. Rxa1 Rc8 29. Nd4 Qe8 30. h3 Kh8 31. Ra7 Bh6 32. Qg3 Bxb5 33. Rxb7 Rb8 34. Rxb8 Qxb8 35. Bc5 Bd7 36. Qh4 Bg7 37. Qe7 Qc8 38. g4 fxg4 39. hxg4 Kg8 40. f5 1-0

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Fuhrwerk, Klaus"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C05"]
[PlyCount "74"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 cxd4 7. cxd4 Nc6 8. Ngf3 a5 9. Bb5 Qb6 10. Qa4 Ndb8 11. Qb3 Bd7 12. Bxc6 Qxc6 13. 0-0 Be7 14. Nb1 Na6 15. Bd2 a4 16. Qe3 Qb6 17. Nc3 Nb4 18. Rab1 0-0 19. f5 f6 20. Qe2 Nc2 21. Be3 Nxe3 22. Qxe3 Rae8 23. fxe6 Qxe6 24. Rbe1 Bd6 25. Qd3 fxe5 26. dxe5 Bc5+ 27. Kh1 Bc6 28. Rd1 Qf7 29. Nxd5 Kh8 30. Nc3 Qf5 31. Qe2 Qh5 32. Nb5 Bxf3 33. Rxf3 Qxe5 34. Qxe5 Rxe5 35. Nc3 a3 36. Rxf8+ Bxf8 37. bxa3 Kg8 1/2-1/2

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Kiese, Matthias"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "E63"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 0-0 6. Bg2 a6 7. 0-0 Nc6 8. b3 Rb8 9. Nd5 Nh5 10. Bb2 e6 11. Nc3 b5 12. cxb5 axb5 13. Rc1 b4 14. Nb1 Bb7 15. Qd2 Nf6 16. Ne1 Ne7 17. Nd3 Bxg2 18. Kxg2 Ne4 19. Qc2 Nd5 20. Nf4 Nxf4+ 21. gxf4 Nf6 22. Qxc7 Rb6 23. Qxd8 Rxd8 24. e3 Ra8 25. a4 bxa3 26. Bxa3 d5 27. Rc3 Ne4 28. Rd3 Bf8 29. Bxf8 Kxf8 30. f3 Ra2+ 31. Kg1 Nd6 32. Rf2 Ra1 33. Rf1 Ra2 34. Rf2 1/2-1/2

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Delfs, Gunter"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "77"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. 0-0 Nc6 7. c3 Bg4 8. Nbd2 cxd4 9. cxd4 Nge7 10. h3 Bxf3 11. Nxf3 Nf5 12. Rb1 Qb6 13. Be3 Be7 14. b4 0-0 15. Bd3 Nxe3 16. fxe3 Rac8 17. Kh1 Qd8 18. Qa4 a6 19. b5 axb5 20. Rxb5 Qd7 21. Qb3 Rc7 22. Rb1 Rb8 23. Qb2 f5 24. exf6 Bxf6 25. a4 g6 26. Rf1 Ra8 27. Qb3 Rac8 28. Rb6 Nd8 29. Qb1 Nc6 30. Bb5 Qe7 31. Bxc6 bxc6 32. e4 c5 33. Re1 dxe4 34. Qxe4 cxd4 35. Rxe6 Qd8 36. Ne5 Bxe5 37. Rxe5 Rd7 38. Qd3 Kg7 39. a5 1/2-1/2

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Jonas, Michael"]
[Result "1/2-1/2"]
[ECO "C03"]
[PlyCount "56"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 g6 4. Ngf3 Bg7 5. Bd3 Ne7 6. 0-0 0-0 7. c3 Nd7 8. Re1 c5 9. e5 b6 10. Nf1 Bb7 11. Bg5 h6 12. Be3 Nf5 13. Qd2 Kh7 14. Bf4 Rc8 15. Rac1 Nb8 16. Ng3 cxd4 17. cxd4 Qd7 18. Nxf5 exf5 19. Bg3 Rxc1 20. Rxc1 Rc8 21. Rxc8 Qxc8 22. Ne1 Nc6 23. Qc3 Bf8 24. Nc2 Kg7 25. f4 Be7 26. Be2 Qd7 27. Be1 Nd8 28. Bd2 Ne6 1/2-1/2

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Rosche, Ernst"]
[Result "1/2-1/2"]
[ECO "B66"]
[PlyCount "87"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Be3 Ng4 10. Nxc6 bxc6 11. Bc5 Bb7 12. h3 Qa5 13. Bxd6 0-0-0 14. Bc7 Qxc7 15. Qxd8+ Qxd8 16. Rxd8+ Kxd8 17. hxg4 Kc7 18. g5 Bc5 19. Nd1 Be7 20. f4 e5 21. g3 h5 22. Ne3 c5 23. Bg2 g6 24. c4 Rb8 25. Kc2 Kd7 26. Rd1+ Ke8 27. Bh1 a5 28. Nd5 Bd8 29. Nc3 Bc6 30. a4 exf4 31. gxf4 Bc7 32. e5 Bd7 33. Rd5 Bb6 34. b3 Rd8 35. Rd2 Bf5+ 36. Be4 Rxd2+ 37. Kxd2 Bg4 38. Nd5 Bd8 39. Ne3 Bd7 40. Ke2 Be7 41. Kf3 Bd8 42. Kg3 Bc7 43. Kh4 Kf8 44. Bg2 1/2-1/2

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Vogel, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "48"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be3 Nbd7 7. Qd2 b5 8. a3 Bb7 9. Bf4 Qb6 10. Be2 e6 11. 0-0 Bd6 12. Rfe1 0-0 13. Bxd6 cxd6 14. Rad1 Rac8 15. h3 Rc7 16. Qe3 e5 17. dxe5 Qxe3 18. fxe3 dxe5 19. Rd6 Re8 20. Red1 Nc5 21. Rd8 Rce7 22. Rxe8+ Rxe8 23. Kf1 Kf8 24. g4 h5 1/2-1/2

[Event "BdF JZ1-1 Jub 50 email"]
[Site "GER email"]
[Date "1999.??.??"]
[Round "?"]
[White "Suess, Wolfgang"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "E76"]
[PlyCount "49"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 b5 8. cxb5 a6 9. a4 axb5 10. Bxb5 Ba6 11. Bd2 Qb6 12. 0-0 Ne8 13. f5 Nc7 14. a5 Qb7 15. Bxa6 Rxa6 16. fxg6 hxg6 17. Qe1 Nd7 18. Qh4 Re8 19. Ng5 Nf6 20. Na4 Nb5 21. e5 dxe5 22. Nxc5 Qa7 23. Be3 Rxa5 24. Rxa5 Qxa5 25. Nce4 1-0

[Event "GER-ch M corr"]
[Site "GER corr"]
[Date "1997.??.??"]
[Round "?"]
[White "Bekemann, Uwe"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "E84"]
[PlyCount "48"]
[EventDate "1997.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Bh6 Bxh6 10. Qxh6 e5 11. 0-0-0 b5 12. dxe5 Nxe5 13. c5 b4 14. Na4 Bd7 15. c6 Bxc6 16. Nc5 Qe7 17. Nb3 Ba4 18. Nf4 c5 19. Nd5 Nxd5 20. Rxd5 f5 21. exf5 Rxf5 22. Qd2 c4 23. Na1 Nxf3 24. gxf3 c3 0-1

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Hofstetter, Hans Joachim"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "E63"]
[PlyCount "93"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. a3 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 a6 7. Nc3 Nc6 8. d4 Na5 9. Nd2 Nd7 10. e3 c5 11. Ne2 Rb8 12. b4 Nc6 13. b5 axb5 14. cxb5 Na5 15. Bb2 cxd4 16. Bxd4 Nc5 17. Rc1 b6 18. Bxg7 Kxg7 19. Nd4 Bb7 20. Bxb7 Rxb7 21. Nc4 Nxc4 22. Rxc4 Qa8 23. Qa1 Kg8 24. Rd1 Rd8 25. Nc6 Rc8 26. e4 f6 27. f4 Rbc7 28. e5 dxe5 29. fxe5 f5 30. Qc1 Re8 31. a4 Ne6 32. Qd2 Kh8 33. Qd5 Nd8 34. Rh4 Rc8 35. Qd2 Ne6 36. Qh6 Nf8 37. Qe3 Qb7 38. e6 Rxc6 39. bxc6 Qxc6 40. Re1 Rd8 41. Rd4 Rxd4 42. Qxd4+ Kg8 43. Rb1 Nxe6 44. Qxb6 Qe4 45. Qb3 Kf8 46. Rd1 f4 47. a5 1-0

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Flemming, Achim"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "36"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6 8. Qf4 g6 9. Bd2 Qe7+ 10. Be2 Be6 11. 0-0-0 Bg7 12. h4 h6 13. Rhe1 Qf6 14. Bd3 Qxf4 15. Bxf4 0-0-0 16. Ne5 Nxe5 17. Bxe5 Bxe5 18. Rxe5 Bc4 1/2-1/2

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Kuehne, Werner"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "91"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Be6 10. Re1 0-0 11. Bg5 Qc7 12. c3 Bg4 13. h3 Bh5 14. Be2 h6 15. Bxe7 Nxe7 16. Nbd4 a6 17. Nh4 Bxe2 18. Rxe2 Rad8 19. Qd3 Rfe8 20. Rae1 Qd7 21. Nhf5 Nxf5 22. Nxf5 Rxe2 23. Rxe2 h5 24. Re5 f6 25. Re1 b5 26. a3 a5 27. b4 axb4 28. axb4 Bf8 29. Nd4 Rb8 30. Ra1 Qe8 31. Nf5 Qe5 32. Rd1 Rc8 33. Nd4 Bd6 34. Nf3 Qe4 35. Qxd5+ Qxd5 36. Rxd5 Bf4 37. Rc5 Rxc5 38. bxc5 Kf7 39. Nd4 Ke7 40. Nxb5 Kd7 41. Nd4 Bd2 42. c6+ Kc7 43. Kf1 Kb6 44. c4 Ba5 45. Ke2 g6 46. c5+ 1-0

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Schulte Brinkmann, Wolfgang"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "61"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Re1 0-0 11. Bg5 Qc7 12. c3 f6 13. Bh4 Bg4 14. Bg3 Bxg3 15. hxg3 Ne5 16. Be2 Bd7 17. Qd4 Be6 18. Qc5 Rfc8 19. Qxc7 Rxc7 20. Rad1 Bf7 21. Nfd4 a6 22. Bd3 Nc8 23. Nf5 Nb6 24. Nbd4 Nbc4 25. Re2 Re8 26. b3 Nb6 27. Re3 Nf3+ 28. gxf3 Rxe3 29. fxe3 Rxc3 30. Nd6 Bg6 31. Bxg6 1-0

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Theel, Andreas"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "85"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Be6 10. Kb1 Nxd4 11. Bxd4 Qb8 12. g4 Rc8 13. h4 b5 14. h5 b4 15. Ne2 Bc4 16. hxg6 hxg6 17. g5 Nh5 18. Bxg7 Kxg7 19. Nf4 Nxf4 20. Bxc4 e5 21. Bd5 Nxd5 22. Qxd5 Qc7 23. Qxd6 Qxd6 24. Rxd6 Rh8 25. Rhd1 Rh5 26. Rg1 Rh3 27. Rd3 Rh2 28. Rb3 Rc8 29. Rc1 a5 30. c3 bxc3 31. Rbxc3 Rb8 32. R3c2 Rh5 33. Rg2 Rh3 34. Rc3 a4 35. Kc2 Rb4 36. Rd3 Rc4+ 37. Kd2 Kf8 38. Ke3 Rc5 39. Rd8+ Ke7 40. Rgd2 Rg3 41. R8d7+ Ke8 42. Ra7 Rxg5 43. Rdd7 1-0

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Schwertel, Gottfried"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "88"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Nc3 a6 13. Bg5 0-0 14. Rc1 Ng4 15. h3 Nh2 16. Nxh2 Bxh2+ 17. Kh1 Bf4 18. Bxf4 Qxf4 19. Ne2 Qh4 20. f4 Bd7 21. Kh2 Rac8 22. g3 Qh6 23. Qb3 b5 24. a3 g6 25. Bb1 Na5 26. Qf3 Nc4 27. Rc2 Rf7 28. Ng1 g5 29. Qd3 gxf4 30. gxf4 Kh8 31. Qf3 Rg8 32. Ba2 Rfg7 33. Bxc4 dxc4 34. Qe4 Bc8 35. Qe5 Qg6 36. f5 exf5 37. Rcf2 Qg3+ 38. Qxg3 Rxg3 39. Rd1 f4 40. d5 f3 41. Rxf3 Rg2+ 42. Kh1 Rxb2 43. Rf7 Rgg2 44. Nf3 Bxh3 0-1

[Event "GER jub50 qJVM21 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Zielinski, Werner"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "38"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. 0-0 Qe8 11. Nd2 Nh7 12. a3 h5 13. f3 Bd7 14. b3 Bh6 15. Kh1 Nc5 16. Nb5 Bxb5 17. cxb5 Bxd2 18. Qxd2 Nxb3 19. Qh6 Nxa1 0-1

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Klugstedt, Wilhelm"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "37"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Be3 Nxc3 10. Bd3 c5 11. dxc5 Qa5 12. Nf3 Ne4+ 13. Kf1 Bd7 14. Bxe4 dxe4 15. Qxe4 Bc6 16. Qd4 Na6 17. Kg1 Rd8 18. Qh4 Qxa2 19. Qxd8+ 1-0

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Klugstedt, Wilhelm"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "73"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Qf4 cxd4 12. cxd4 Qa5+ 13. c3 Nd7 14. Ne2 b6 15. Rhb1 Ba6 16. a4 Bxd3 17. Kxd3 Rc8 18. Rb5 Qa6 19. Qc1 Rc4 20. Qa3 Rc6 21. Kd2 f6 22. Nf4 Rg8 23. exf6 Nxf6 24. f3 Qb7 25. Re1 Qc7 26. g3 Kf7 27. Nd3 Qd6 28. Ne5+ Kg7 29. Qxd6 Rxd6 30. a5 Rb8 31. Reb1 Ne8 32. axb6 Rdxb6 33. Rxb6 Rxb6 34. Rxb6 axb6 35. c4 dxc4 36. Nxc4 b5 37. Ne3 1/2-1/2

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Pieleck, Rudolf"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "55"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 Qg5+ 11. Qxg5 hxg5 12. g4 Nd7 13. Nf3 f6 14. Bxg6+ Ke7 15. exf6+ Kxf6 16. Bd3 e5 17. Bf5 e4 18. Ne1 c5 19. f3 exf3 20. Nxf3 c4 21. Rhf1 b5 22. Rae1 Nb6 23. Bxc8 Raxc8 24. Re5 b4 25. Nh4+ Kg7 26. Rxg5+ Kh6 27. Rg6+ Kh7 28. Rf7# 1-0

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Rheinstaedtler, Klaus"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "42"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. h4 c5 10. Rh3 cxd4 11. cxd4 Nc6 12. Nf3 Qb6 13. Bd3 Nxe5 14. Nxe5 Qxd4 15. Qf4 Qxa1+ 16. Ke2 f5 17. Ng6+ Kg8 18. Bxe4 dxe4 19. Bc3 Qxa2 20. Qc7 Qxc2+ 21. Ke1 Qb1+ 1/2-1/2

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Wiesner, Klaus"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "79"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. h4 c5 10. Rh3 Qa5 11. Bd3 Nxd2 12. Rg3 g6 13. Kxd2 cxd4 14. Qxd4 Nc6 15. Qf4 d4 16. Nf3 Qxc3+ 17. Ke2 Ne7 18. Qxd4 Qxd4 19. Nxd4 Bd7 20. Be4 Bc6 21. Nxc6 bxc6 22. Rb1 Kg7 23. Rb7 Nf5 24. Bxf5 exf5 25. f4 Rhe8 26. Rd3 Rab8 27. Rxa7 g5 28. hxg5 hxg5 29. Rdd7 Kg8 30. Rxf7 gxf4 31. Rxf5 Rb5 32. Kf3 Rbxe5 33. Rxe5 Rxe5 34. a4 Rc5 35. a5 Rxc2 36. a6 Ra2 37. Kxf4 c5 38. Ke5 Rxg2 39. Rb7 Rg5+ 40. Kf4 1-0

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Pieleck, Rudolf"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "C12"]
[PlyCount "58"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Nf3 Ne4 7. a3 Bxc3+ 8. bxc3 Nxg5 9. c4 Nxf3+ 10. gxf3 Qa5+ 11. Qd2 Qxd2+ 12. Kxd2 Nc6 13. c3 0-0 14. Bg2 Rb8 15. Rab1 b6 16. c5 bxc5 17. Rxb8 Nxb8 18. Kd3 Ba6+ 19. c4 Rd8 20. Rb1 Rxd4+ 21. Kc3 Rxc4+ 22. Kd2 Nd7 23. f4 Nb6 24. Bf1 Rd4+ 25. Ke3 Bxf1 26. Rxf1 Nd5+ 27. Kf3 c4 28. Rb1 Rd3+ 29. Ke4 Nc3+ 0-1

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Rheinstaedtler, Klaus"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "83"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Nf3 Bxc3+ 8. bxc3 b6 9. Be2 Bb7 10. 0-0 Nc6 11. Qd2 Qf5 12. Qd3 Qg6 13. Rfe1 0-0-0 14. Nh4 Qg5 15. g3 Rhg8 16. Ng2 Qh6 17. Bf3 Kb8 18. Qe3 Qxe3 19. Nxe3 Na5 20. Bh5 Rg7 21. f4 Be4 22. Ng4 f5 23. Ne5 f6 24. Ng4 Rf8 25. Nf2 Bd5 26. Nd3 Nc4 27. Nb4 Be4 28. a4 a5 29. Nd3 Bd5 30. Kf2 Nd6 31. Bf3 Ne4+ 32. Bxe4 fxe4 33. Nb2 f5 34. Nd1 h5 35. Ne3 Bc6 36. c4 Rh8 37. Ng2 Kc8 38. c3 Kd7 39. Rg1 Rhg8 40. Ke3 Ke7 41. Rgd1 Rd8 42. Kf2 1/2-1/2

[Event "GER theme 5505 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Wiesner, Klaus"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "C12"]
[PlyCount "78"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Nge2 Nc6 8. a3 Bxc3+ 9. Nxc3 Qxd4 10. Qxd4 Nxd4 11. 0-0-0 Nc6 12. Nb5 Ke7 13. Nxc7 Rb8 14. Nb5 a6 15. Nc3 Rd8 16. Bd3 h6 17. h3 Ne5 18. Be2 Rxd1+ 19. Rxd1 Bd7 20. Rd4 Bc6 21. f3 Rg8 22. Bf1 h5 23. Ne4 Nd7 24. g4 hxg4 25. fxg4 e5 26. Rc4 Bb5 27. Ng3 Bxc4 28. Nf5+ Kf8 29. Bxc4 b5 30. Bd5 Nc5 31. b4 Ne6 32. Bg2 Ke8 33. Bf1 Kd7 34. Kb2 Nd4 35. c3 Nxf5 36. gxf5 Rg1 37. Bd3 Rg3 38. Kc2 Rxh3 39. a4 Rxd3 0-1

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Garscha, Freimut E"]
[Black "Koch, Siegfried"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "53"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 Bd7 10. Be2 f6 11. c4 Qc7 12. exf6 gxf6 13. cxd5 Nxd5 14. c3 0-0-0 15. 0-0 Rhg8 16. dxc5 e5 17. c4 Nde7 18. Kh1 Nf5 19. a5 a6 20. Rb1 Nfd4 21. Nxd4 Nxd4 22. Rb6 Nxe2 23. Qxe2 Bc6 24. f3 Rg6 25. Rfb1 Qd7 26. Be3 Rdg8 27. Rg1 1/2-1/2

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Haletzki, Bernd"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "47"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Rb1 dxc3 13. Qd3 0-0-0 14. Nxc3 Na5 15. Nb5 Bxb5 16. Rxb5 Kb8 17. g3 Rc8 18. Bd2 Nc4 19. Bg2 Qd7 20. Rb3 Rc7 21. 0-0 Nc6 22. Rfb1 Nxd2 23. Qxd2 Na5 24. Qxa5 1-0

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Hoffmann, Horst"]
[Black "Koch, Siegfried"]
[Result "0-1"]
[ECO "E84"]
[PlyCount "66"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[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. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. 0-0-0 Rb8 9. Bh6 e5 10. Nge2 b5 11. Bxg7 Kxg7 12. h4 h5 13. dxe5 Nxe5 14. cxb5 axb5 15. Nf4 Bd7 16. Be2 Rh8 17. Kb1 Rb7 18. Ncd5 Be6 19. Rc1 Nxd5 20. Nxd5 Qa8 21. f4 c6 22. Nb4 Nc4 23. Qc3+ Kh7 24. g4 c5 25. Nd5 Bxd5 26. exd5 Ra7 27. f5 Rxa2 28. fxg6+ fxg6 29. Bxc4 bxc4 30. Rhe1 Ra1+ 31. Kc2 Rxc1+ 32. Kxc1 Re8 33. Re6 Rxe6 0-1

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Bachmann, Friedhelm"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "57"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. 0-0-0 Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Nd5 e6 17. Nxf6+ Qxf6 18. Qh2 Rfc8 19. Qxh7+ Kf8 20. Kb1 e5 21. Bh6 Rxd4 22. Rxd4 exd4 23. Qh8+ Ke7 24. Bxg7 Qxf3 25. Qh4+ f6 26. g5 fxg5 27. Qxg5+ Kf7 28. Rg1 Qxe4 29. Qf6+ 1-0

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Hallier, Karl Heinz"]
[Result "1/2-1/2"]
[ECO "C88"]
[PlyCount "73"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. d3 d6 10. Nc3 Na5 11. Ba2 b4 12. Ne2 Rb8 13. Ng3 c5 14. Nd2 Bc8 15. h3 Be6 16. Nc4 Ne8 17. Bd2 Nxc4 18. Bxc4 a5 19. f4 exf4 20. Bxf4 Bg5 21. Rf1 Bxf4 22. Rxf4 Nf6 23. Bxe6 fxe6 24. b3 e5 25. Rf2 g6 26. Qe2 Rb7 27. Raf1 Rbf7 28. Qe3 Nd7 29. Rxf7 Rxf7 30. Rxf7 Kxf7 31. Qh6 Kg8 32. Nf1 Qf6 33. Nd2 Nb6 34. Qe3 Kg7 35. Qf2 Qf4 36. g3 Qg5 37. Kg2 1/2-1/2

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Kellner, Peter"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "74"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Re8 15. h4 h6 16. g4 Nf4 17. Qc3 Bd5 18. h5 f5 19. gxf5 gxf5 20. Nd6 Re6 21. Nxf5 Qg5 22. Ne3 Bxf3 23. Bc4 Bxh1 24. Rxh1 Nd5 25. Qb3 e4 26. Kb1 Rd8 27. Qb7 Nxe3 28. Bxe6+ Kh8 29. Bxa7 Qxh5 30. Rc1 Qe5 31. Qb3 Nd5 32. Bxd5 Rxd5 33. c3 Qf5 34. Ka1 c5 35. a3 e3 36. Qb5 Kh7 37. Rg1 Qf2 0-1

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Kindsvogel, Robert"]
[Result "0-1"]
[ECO "B89"]
[PlyCount "58"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 0-0 9. 0-0-0 a6 10. Bb3 Qe8 11. Rhg1 Nd7 12. g4 Nc5 13. g5 b5 14. Qh5 b4 15. Na4 Nxd4 16. Bxd4 Nxb3+ 17. axb3 e5 18. Be3 Be6 19. Nb6 a5 20. Nd5 Bxd5 21. exd5 Qd7 22. f4 exf4 23. Bd4 Rfc8 24. Rd2 a4 25. bxa4 b3 26. Bc3 Qxa4 27. Re2 Qa1+ 28. Kd2 Qxg1 29. Rxe7 Qg2+ 0-1

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koch, Siegfried"]
[Black "Zantl, R."]
[Result "1/2-1/2"]
[ECO "C08"]
[PlyCount "46"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 c5 5. exd5 exd5 6. Bb5+ Bd7 7. Qe2 Nf6 8. dxc5 0-0 9. Nb3 Re8 10. Be3 Bxc5 11. Bxd7 Nbxd7 12. Nxc5 Nxc5 13. Qb5 Rc8 14. 0-0 a6 15. Qb4 Re4 16. Qd2 h6 17. Rad1 Ne6 18. Rfe1 Qe7 19. c3 Re8 20. h3 Nc5 21. Nd4 Re5 22. Nf3 Re4 23. Nd4 Re5 1/2-1/2

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Niedermann, N."]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "49"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Qe1 Nbd7 9. Bg5 Nb6 10. Bb3 a5 11. a3 a4 12. Ba2 c6 13. Qh4 Nbd5 14. Ne5 Be6 15. Ne2 Nc7 16. c4 Bc8 17. Rad1 Nce8 18. c5 Nc7 19. Nf4 Be6 20. Nxe6 fxe6 21. Rf3 Qe8 22. Rdf1 Rd8 23. Bh6 Bxh6 24. Qxh6 Rxd4 25. Bb1 1-0

[Event "FRG jub40 qg8 corr8687"]
[Site "GER corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Prechtel, Helmut"]
[Black "Koch, Siegfried"]
[Result "1-0"]
[ECO "E66"]
[PlyCount "45"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "GER"]
[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. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nc6 7. 0-0 a6 8. d5 Na5 9. Qd3 c5 10. e4 e6 11. e5 dxe5 12. Nxe5 exd5 13. cxd5 Bf5 14. Qe2 Re8 15. f4 Qd6 16. Qd1 Nd7 17. g4 Nxe5 18. fxe5 Bxe5 19. gxf5 Bxh2+ 20. Kh1 Qe5 21. Qg4 Rad8 22. fxg6 hxg6 23. Qh3 1-0

