[Event "Uebach op g/45"]
[Site "Uebach"]
[Date "1996.??.??"]
[Round "7"]
[White "Federau, Juergen"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1980"]
[BlackElo "1845"]
[PlyCount "81"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. 0-0 0-0 6. Bg5 Nc6 7. c3 h6 8. Bh4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. f4 Qe8 12. f5 gxf5 13. exf5 e4 14. Bxf6 Bxf6 15. Qg4+ Kh7 16. Qxe4 Qxe4 17. Bxe4 Re8 18. Bd3 Re3 19. Bc4 Kg7 20. Nd2 Bd7 21. Rf2 Rae8 22. Raf1 c6 23. Nf3 b5 24. Bb3 c5 25. Bc2 a5 26. g4 Bc6 27. Bd1 a4 28. a3 b4 29. cxb4 cxb4 30. Rc2 Bb5 31. Rff2 bxa3 32. bxa3 Rxa3 33. h4 Ra1 34. Rcd2 Re4 35. g5 hxg5 36. hxg5 Rg4+ 37. Rg2 Rxg2+ 38. Kxg2 Bc3 39. f6+ Kg6 40. Bc2+ Kh5 41. g6 1-0

[Event "Uebach op g/45"]
[Site "Uebach"]
[Date "1996.??.??"]
[Round "4"]
[White "Koch, M."]
[Black "Behl, Torsten"]
[Result "0-1"]
[ECO "D77"]
[WhiteElo "1845"]
[BlackElo "2050"]
[PlyCount "32"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 0-0 6. Bg2 Nc6 7. 0-0 dxc4 8. Qa4 Nxd4 9. Nxd4 Qxd4 10. Rd1 Qb6 11. Qxc4 Be6 12. Qb5 c6 13. Qxb6 axb6 14. e4 Nd7 15. Be3 Nc5 16. Rd2 Nb3 0-1

[Event "GER-ch H207 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Muschalek, I."]
[Result "0-1"]
[ECO "B78"]
[PlyCount "70"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[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. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 b5 15. g4 a5 16. gxh5 a4 17. Bd5 Nxh5 18. a3 Qb6 19. Nce2 e6 20. Ba2 Nc4 21. Bxc4 bxc4 22. c3 Rb8 23. Qc1 d5 24. Be7 Rcc8 25. Bb4 dxe4 26. fxe4 e5 27. Nf5 gxf5 28. Rxd7 Nf6 29. Rdd1 Nxe4 30. Rdg1 Kh7 31. Ng3 Bh6 32. Qc2 Rg8 33. Ne2 Qe3 34. Rxg8 Rxg8 35. Nc1 Qf2 0-1

[Event "GER-ch H207 corr"]
[Site "GER corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Porath, L."]
[Result "1-0"]
[ECO "B16"]
[PlyCount "65"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 Nd7 8. Ng3 Bg6 9. h4 h5 10. Be2 Qa5 11. a4 0-0-0 12. b4 Qc7 13. a5 a6 14. Be3 e5 15. 0-0 Be7 16. Bd3 exd4 17. Bxd4 Bd6 18. Nf5 Be5 19. Ne7+ Kb8 20. Nxg6 fxg6 21. Bxg6 Bxd4 22. Qxd4 Ne5 23. Qe4 Rdg8 24. Bf5 Ng4 25. g3 Nh6 26. Rad1 Re8 27. Qf3 Rhg8 28. Rd7 Qe5 29. Bh3 Rd8 30. Rfd1 Rxd7 31. Rxd7 Ng4 32. Kg2 Kc8 33. Qd3 1-0

[Event "Uebach op g/45"]
[Site "Uebach"]
[Date "1996.??.??"]
[Round "1"]
[White "Koch, M."]
[Black "Spilker, Boris"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1845"]
[BlackElo "2360"]
[PlyCount "56"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. 0-0 Nc6 7. c4 Qb6 8. Nc2 dxc4 9. Nc3 Be7 10. Ne3 Ne5 11. Nxc4 Nxc4 12. Qa4+ Bd7 13. Qxc4 Rc8 14. Qb3 Bc6 15. Be3 Qxb3 16. axb3 a6 17. Rfd1 0-0 18. h3 h6 19. Rac1 Bxg2 20. Kxg2 Rc6 21. Na4 Rfc8 22. Nb6 Rxc1 23. Rxc1 Rxc1 24. Bxc1 Kf8 25. Kf3 Ke8 26. Be3 Nd7 27. Nc4 b5 28. Na3 Nc5 0-1

[Event "GER-ch H190 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Hoffmann, M."]
[Black "Koch, M."]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "33"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be2 Be7 7. 0-0 0-0 8. Ne5 cxd4 9. cxd4 Rd8 10. Nc3 Qa5 11. Bf3 Nbd7 12. Qe2 Nb6 13. Be3 Nbd5 14. Rac1 a6 15. Bd2 Qb6 16. Be3 Bd7 17. Nxd5 1/2-1/2

[Event "GER-ch H190 corr"]
[Site "GER corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Schulze, G."]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "43"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 e5 4. Nd5 Nge7 5. Nec3 Nxd5 6. Nxd5 d6 7. Bc4 Rb8 8. a4 a6 9. d3 b5 10. axb5 axb5 11. Bb3 Be6 12. 0-0 Be7 13. Nxe7 Qxe7 14. Bxe6 Qxe6 15. f4 exf4 16. Bxf4 0-0 17. Ra6 Rfc8 18. c3 b4 19. Qa4 bxc3 20. bxc3 Ne5 21. Bxe5 Qxe5 22. Qc4 1/2-1/2

[Event "Eupen op rapid"]
[Site "Eupen"]
[Date "1995.??.??"]
[Round "7"]
[White "Werbeck, Torsten"]
[Black "Koch, M."]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "2275"]
[PlyCount "60"]
[EventDate "1995.04.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. g4 c5 14. Rb1 h5 15. g5 Nh7 16. h4 Kh8 17. Rf2 Ng8 18. b4 b6 19. a4 Nxg5 20. hxg5 Qxg5+ 21. Rg2 Qf6 22. Nf2 g5 23. Rh2 Qg6 24. bxc5 bxc5 25. Nb5 Rf7 26. a5 Nh6 27. Kh1 Kg8 28. Rg2 Bf8 29. Rg1 Rg7 30. Nd3 g4 1/2-1/2

[Event "Eupen op act"]
[Site "Eupen"]
[Date "1994.??.??"]
[Round "1"]
[White "Koch, M."]
[Black "Maes, Wim"]
[Result "0-1"]
[ECO "E68"]
[BlackElo "2245"]
[PlyCount "50"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BEL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 e5 7. d4 Nbd7 8. e4 exd4 9. Nxd4 Re8 10. Re1 a6 11. h3 Rb8 12. Rb1 c5 13. Nc2 Ne5 14. Ne3 b5 15. cxb5 axb5 16. f4 Ned7 17. b4 Nh5 18. Ne2 cxb4 19. g4 Nhf6 20. Rxb4 Qa5 21. a3 Bb7 22. Ng3 Nc5 23. Nd5 Nxd5 24. exd5 Rxe1+ 25. Qxe1 Nd3 0-1

[Event "ICCF-Cup corr"]
[Site "ICCF corr"]
[Date "1994.??.??"]
[Round "?"]
[White "Van Herck, Paul"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "A99"]
[PlyCount "31"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 0-0 6. Nf3 d6 7. 0-0 Qe8 8. b3 a5 9. Bb2 Na6 10. Re1 Ne4 11. Nxe4 fxe4 12. Nd2 d5 13. f3 exf3 14. exf3 Nb4 15. Qb1 c5 16. f4 1-0

[Event "GER theme 2301 corr"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Riedmueller, Torsten"]
[Result "0-1"]
[ECO "C16"]
[PlyCount "60"]
[EventDate "1993.??.??"]
[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 Bb4 4. e5 Qd7 5. Qg4 f5 6. Qg3 b6 7. a3 Bxc3+ 8. Qxc3 Ba6 9. Bxa6 Nxa6 10. Qd3 Nb8 11. Nf3 Nc6 12. 0-0 Nge7 13. c4 dxc4 14. Qxc4 Qd5 15. Qxd5 Nxd5 16. b4 h6 17. Bd2 g5 18. Rfc1 Kd7 19. b5 Nce7 20. Ne1 f4 21. Nd3 Raf8 22. a4 g4 23. Nb4 h5 24. a5 f3 25. axb6 axb6 26. Ra7 Ra8 27. Rca1 Rxa7 28. Rxa7 Nxb4 29. Bxb4 Nd5 30. Bd2 fxg2 0-1

[Event "EU-ch GT363 corr"]
[Site "ICCF corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Szafraniec, Tadeusz"]
[Result "1/2-1/2"]
[ECO "A77"]
[PlyCount "37"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Nbd7 11. f3 a6 12. a4 Ne5 13. Nc4 Nxc4 14. Bxc4 Nd7 15. Be3 f5 16. Qd2 Ne5 17. Be2 Nf7 18. Bd3 Ne5 19. Be2 1/2-1/2

[Event "GER theme 2301 corr"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Riedmueller, Torsten"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "C16"]
[PlyCount "49"]
[EventDate "1993.??.??"]
[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 Bb4 4. e5 Qd7 5. Nf3 b6 6. Bd2 Nc6 7. a3 Bf8 8. Bd3 Bb7 9. 0-0 0-0-0 10. Qe2 h5 11. Ba6 f6 12. b4 fxe5 13. dxe5 g6 14. Bxb7+ Kxb7 15. b5 Na5 16. a4 Bg7 17. Na2 Nc4 18. Nb4 Ne7 19. Bg5 Rdf8 20. Bxe7 Qxe7 21. Nc6 Qc5 22. Nfd4 Re8 23. Nb3 Qf8 24. a5 Qf4 25. axb6 1-0

[Event "GER theme 2302 corr"]
[Site "GER corr"]
[Date "1992.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Rayner, J."]
[Result "1/2-1/2"]
[ECO "C16"]
[PlyCount "31"]
[EventDate "1992.??.??"]
[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 Bb4 4. e5 Qd7 5. Qg4 Bf8 6. Bb5 c6 7. Ba4 b5 8. Bb3 f5 9. Qh5+ g6 10. Qe2 Ba6 11. Nd1 c5 12. c3 b4 13. Qc2 Nc6 14. Ba4 bxc3 15. Qxc3 Rb8 16. Nf3 1/2-1/2

[Event "GER theme 2302 corr"]
[Site "GER corr"]
[Date "1992.??.??"]
[Round "?"]
[White "Rayner, J."]
[Black "Koch, M."]
[Result "1-0"]
[ECO "C16"]
[PlyCount "50"]
[EventDate "1992.??.??"]
[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 Bb4 4. e5 Qd7 5. a3 Bf8 6. Nf3 b6 7. Bb5 Nc6 8. Ne2 Bb7 9. 0-0 0-0-0 10. Bd2 f6 11. Ng3 Qf7 12. Qe2 Be7 13. exf6 Bxf6 14. c3 h5 15. Ng5 Bxg5 16. Bxg5 Rd6 17. h4 Nge7 18. a4 Nf5 19. b4 Nb8 20. Rfe1 a6 21. Bd3 g6 22. b5 a5 23. Nxf5 exf5 24. Qe7 Qxe7 25. Rxe7 Nd7 1-0

[Event "GER theme 2302 corr"]
[Site "GER corr"]
[Date "1992.??.??"]
[Round "?"]
[White "Seidel, Werner"]
[Black "Koch, M."]
[Result "1/2-1/2"]
[ECO "C16"]
[PlyCount "38"]
[EventDate "1992.??.??"]
[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 Bb4 4. e5 Qd7 5. Bd3 b6 6. Nf3 Ba6 7. 0-0 c5 8. Bxa6 Nxa6 9. Ne2 cxd4 10. Nexd4 Ne7 11. a3 Bc5 12. b4 Bxd4 13. Nxd4 Rc8 14. Bb2 0-0 15. f4 Rc4 16. Qd3 Rfc8 17. Rad1 Nb8 18. Rf2 a6 19. Rdf1 Nbc6 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "1991.??.??"]
[Round "2"]
[White "Koch, M."]
[Black "Berebora, Ferenc"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2310"]
[PlyCount "34"]
[EventDate "1991.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 d6 6. Nf3 Nc6 7. Be2 Bg4 8. Qb3 dxe5 9. Qxb7 Rc8 10. dxe5 Ndb4 11. Bb5 Nc2+ 12. Ke2 N2d4+ 13. Ke3 g6 14. Bxc6+ Nxc6 15. Qb5 Qd7 16. Nc3 Bh6+ 17. Ke4 Bf5# 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "1991.??.??"]
[Round "5"]
[White "Kock, Wolfgang"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "E61"]
[PlyCount "57"]
[EventDate "1991.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 d6 6. Nge2 c6 7. 0-0 Nbd7 8. b3 e5 9. d4 Ne8 10. Bb2 f5 11. Qd2 e4 12. f3 exf3 13. Rxf3 Ndf6 14. d5 c5 15. Rff1 Qe7 16. Rae1 Ng4 17. e4 Nef6 18. Nf4 Ne5 19. exf5 Bxf5 20. Nb5 Ne8 21. Ne6 Bxe6 22. dxe6 Rxf1+ 23. Rxf1 a6 24. Bxe5 dxe5 25. Rf7 Qd8 26. Bd5 Kh8 27. e7 Qd7 28. Rf8+ Bxf8 29. exf8Q# 1-0

[Event "ICCF-Cup8/9 V149 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Buettner, Fritz"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "C06"]
[PlyCount "48"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Bd2 0-0 13. Bc3 Bd7 14. Ng3 Rae8 15. Ne5 Nb4 16. a4 Nxd3 17. Qxd3 Qb3 18. Nxd7 Nxd7 19. Ne2 Rf6 20. Nc1 Qb6 21. a5 Qc7 22. g3 Ref8 23. f4 g5 24. fxg5 Rxf1+ 0-1

[Event "ICCF-Cup8/9 V147 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Ekmark, Raimo"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "C01"]
[PlyCount "56"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Be3 Nf6 5. h3 Bf5 6. Bd3 Ne4 7. Nd2 Bb4 8. Ngf3 Nc6 9. c3 Be7 10. Qc2 Nxd2 11. Qxd2 Be4 12. Be2 0-0 13. 0-0 Bd6 14. Bf4 Re8 15. Bxd6 Qxd6 16. Rfe1 h6 17. Nh2 Re7 18. Bd3 Rae8 19. f3 Bxd3 20. Rxe7 Qxe7 21. Qxd3 Qe2 22. Qxe2 Rxe2 23. Rb1 Na5 24. b4 Nc4 25. Rc1 Rxa2 26. Nf1 f5 27. f4 Kf7 28. Ng3 Ne3 0-1

[Event "ICCF-Cup8/9 V142 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Gulbis, Egons"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "A09"]
[PlyCount "34"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. 0-0 Bd6 6. d4 0-0 7. Nc3 c5 8. Qe2 cxd4 9. exd4 Nc6 10. Bg5 h6 11. Bh4 g5 12. Bg3 Bxg3 13. fxg3 Nxd4 14. Nxd4 Qxd4+ 15. Kh1 Ne8 16. Rad1 Qc5 17. Ne4 Qe7 0-1

[Event "ICCF-Cup8/9 V147 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Hofstetter, Hans Joachim"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "C03"]
[PlyCount "152"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Ne7 4. Ngf3 Nd7 5. Bd3 c5 6. exd5 Nxd5 7. 0-0 Be7 8. Ne4 cxd4 9. Nxd4 Ne5 10. Bb5+ Bd7 11. c4 Nf6 12. Qe2 a6 13. Bxd7+ Nexd7 14. Rd1 Qc7 15. Ng5 Nf8 16. g3 h6 17. Bf4 Qb6 18. Ngf3 Ng6 19. Be3 Ng4 20. Bd2 0-0-0 21. Bc3 h5 22. b4 Bf6 23. c5 Qc7 24. a4 h4 25. Nxe6 fxe6 26. Bxf6 Nxf6 27. b5 Rxd1+ 28. Rxd1 hxg3 29. hxg3 axb5 30. Qxe6+ Kb8 31. c6 bxa4 32. Rb1 b6 33. Qc4 Ne7 34. Qxa4 Qxc6 35. Qxc6 Nxc6 36. Rxb6+ Kc7 37. Rb1 Nd5 38. Kg2 Ndb4 39. Ng5 Kd7 40. f4 Ra8 41. Rh1 Nd5 42. Rh7 Rg8 43. Ne4 Ke7 44. Ng5 Kd7 45. Ne4 Ke7 46. Ng5 Kf6 47. Rh5 Kg6 48. Rh1 Re8 49. Nf3 Ne3+ 50. Kg1 Ra8 51. Nh4+ Kf6 52. Kf2 Nf5 53. Nxf5 Kxf5 54. Rd1 Kg4 55. Rd7 Ra2+ 56. Ke3 Ra7 57. Rd5 Kxg3 58. Rg5+ Kh4 59. Ke4 Re7+ 60. Kd5 Nd8 61. Rg1 Kh5 62. f5 Kh6 63. Rg6+ Kh7 64. Ra6 Re1 65. Kd4 Nf7 66. Rc6 Nh6 67. f6 g5 68. Kd3 Nf7 69. Kd2 Re5 70. Rc1 Kg6 71. Rf1 Rf5 72. Rb1 g4 73. Rg1 Kg5 74. Ke3 Rxf6 75. Kd4 Kh4 76. Rh1+ Kg3 0-1

[Event "ICCF-Cup8/9 V142 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Buechel, Wolfgang"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "69"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Be7 5. Bd3 Nh5 6. Bg3 Nd7 7. Ne5 Nxg3 8. hxg3 Bd6 9. f4 Nf6 10. g4 c6 11. g5 Ne4 12. Bxe4 dxe4 13. g6 Bxe5 14. gxf7+ Kf8 15. fxe5 Qg5 16. Qe2 Qg3+ 17. Kd2 c5 18. c3 Kxf7 19. Na3 Kg8 20. Nc4 cxd4 21. cxd4 Bd7 22. Nd6 Bc6 23. Raf1 h6 24. Rh3 Qg6 25. Rh4 Qg5 26. Rg4 Qd8 27. Qf2 Qd7 28. Qf6 Rh7 29. Qg6 h5 30. Rg5 Qe7 31. Rf7 Be8 32. Qxg7+ Rxg7 33. Rgxg7+ Kh8 34. Rh7+ Kg8 35. Rxe7 1-0

[Event "ICCF-Cup8/9 V147 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Datler, Werner"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "75"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c6 4. e3 Qb6 5. Qc1 Bf5 6. Be2 e6 7. h3 c5 8. c3 h6 9. Nbd2 Nc6 10. 0-0 Be7 11. Ne5 0-0 12. g4 Bh7 13. Kh2 Rac8 14. Ndf3 Nxe5 15. Nxe5 Rfd8 16. Kg2 Nd7 17. Nxd7 Rxd7 18. Qd2 Bd6 19. Bxd6 Qxd6 20. Bd3 Rdc7 21. Bxh7+ Kxh7 22. Rfe1 Kg8 23. e4 dxe4 24. Rxe4 Qc6 25. f3 Rd8 26. Rd1 Rcd7 27. Qf2 Qa4 28. b3 Qa5 29. Qc2 b5 30. Qb2 Rd5 31. Qc2 Qc7 32. Qb2 cxd4 33. Rexd4 Rxd4 34. Rxd4 Rxd4 35. cxd4 b4 36. Qe2 g5 37. Qc4 Qa5 38. Qe2 1/2-1/2

[Event "ICCF-Cup8/9 V149 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Drechsler, Alfred"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "45"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 e6 5. Nbd2 Nc6 6. c3 Bd6 7. Bg3 0-0 8. Bd3 b6 9. Bh4 cxd4 10. exd4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Nf3 Bc7 14. 0-0 Qd6 15. Bg3 Qd8 16. Qa4 Bxg3 17. hxg3 Ng4 18. Rfe1 Qd6 19. Qf4 Qxf4 20. gxf4 Nf6 21. Re7 Ne4 22. Nd4 Nc5 23. Bb5 1-0

[Event "corr"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Ganesan, Sankar"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "28"]
[EventDate "1990.01.03"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. Bc4 Bg7 5. Qe2 Nc6 6. e5 Ng4 7. e6 Nxd4 8. Qxg4 Nxc2+ 9. Kf1 Nxa1 10. exf7+ Kf8 11. Qh4 d5 12. Bxd5 c6 13. Bh6 Qd6 14. Bf4 e5 0-1

[Event "ICCF-Cup8/9 V142 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Leistner, Manfred"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "41"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. h3 Be7 6. Bd3 Nh5 7. Bh2 f5 8. Ne5 Nf6 9. 0-0 d6 10. Nf3 g6 11. Nc3 0-0 12. Re1 Nbd7 13. Ng5 Re8 14. Nxe6 Qc8 15. Nb5 Nd5 16. c4 Nb4 17. Nexc7 Nxd3 18. Qxd3 a6 19. Nxd6 Bxd6 20. Bxd6 Rd8 21. Qb3 1-0

[Event "ICCF-Cup8/9 V149 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Naumann, Mike"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "45"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Be2 Be7 6. Nbd2 0-0 7. Ne5 Nbd7 8. g4 Bg6 9. h4 h6 10. g5 hxg5 11. hxg5 Nh7 12. Nxg6 fxg6 13. Bg4 Rf5 14. Bxf5 exf5 15. Qf3 c6 16. Qg3 Bxg5 17. Bxg5 Nxg5 18. 0-0-0 Nf8 19. Rdg1 Ngh7 20. Nf3 Qf6 21. Qc7 b5 22. Ne5 a5 23. Nxc6 1-0

[Event "ICCF-Cup8/9 V149 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Szczesiak, Zenon"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "83"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Qb6 6. Qc1 Nc6 7. Bd3 Be7 8. Nbd2 Bd7 9. h3 0-0 10. 0-0 Nh5 11. Bh2 f5 12. Ne5 Nxe5 13. Bxe5 c4 14. Be2 Nf6 15. Qc2 Rac8 16. b3 cxb3 17. axb3 a6 18. c4 Bd6 19. Nf3 Ne4 20. c5 Qb4 21. Bxd6 Nxd6 22. Qb2 Ne4 23. Ne5 Bb5 24. Bxb5 Qxb5 25. b4 Rc7 26. Ra5 Qe8 27. b5 axb5 28. Rxb5 Qe7 29. Rb1 f4 30. f3 Ng3 31. exf4 Qf6 32. Qd2 Qxf4 33. Qxf4 Rxf4 34. Rxb7 Rc8 35. Kf2 Nf5 36. Rb8 Rf8 37. Rxf8+ Kxf8 38. c6 Ke7 39. c7 Nd6 40. Rb8 Rf8 41. Nc6+ Kf7 42. Na7 1-0

[Event "ICCF-Cup8/9 V147 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Timperley, Jim"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "35"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 e6 5. c3 Nbd7 6. Nbd2 Be7 7. Bd3 b6 8. Ne5 Bb7 9. Qf3 Nxe5 10. dxe5 Nd7 11. 0-0 Qc7 12. Qg3 g5 13. Bxg5 Rg8 14. Bxe7 Rxg3 15. Bd6 Rxg2+ 16. Kxg2 Qc6 17. a4 0-0-0 18. Bb5 1-0

[Event "ICCF-Cup8/9 V142 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Miethke, Ehrhard"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "C00"]
[PlyCount "105"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Ne7 4. g3 h5 5. Ngf3 Ng6 6. h4 Nc6 7. Be2 Be7 8. d4 dxe4 9. Nxe4 e5 10. d5 Bf5 11. dxc6 Qxd1+ 12. Bxd1 Bxe4 13. cxb7 Bxb7 14. 0-0 0-0-0 15. Be2 f6 16. Be3 c5 17. Nd2 Nf8 18. Bc4 Bd5 19. Rfd1 Bxc4 20. Nxc4 Ne6 21. c3 Kb7 22. f3 Nc7 23. Kg2 Rd5 24. Rd2 Rhd8 25. Rad1 g6 26. Kf2 Rxd2+ 27. Rxd2 Nd5 28. Ke2 Nxe3 29. Rxd8 Bxd8 30. Kxe3 Kc6 31. Ke4 Be7 32. g4 hxg4 33. fxg4 f5+ 34. gxf5 gxf5+ 35. Kxf5 Bxh4 36. Kxe5 Bg3+ 37. Ke6 Bf2 38. Ne5+ Kc7 39. Kd5 Bg1 40. a4 Be3 41. a5 Kb7 42. Nd3 Ka6 43. Kc6 c4 44. Ne5 Bd2 45. Kc5 Bh6 46. Kb4 Bf8+ 47. Ka4 Bg7 48. Nxc4 Bf6 49. Ne3 Be5 50. Nd1 Kb7 51. c4 Kc6 52. b4 Bd4 53. b5+ 1-0

[Event "ICCF-Cup8/9 V142 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Steinhauser, Herwig"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "D35"]
[PlyCount "84"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. cxd5 exd5 5. d4 c6 6. Bf4 Bd6 7. Be5 Na6 8. a3 Nc7 9. b4 Bg4 10. Qd3 Bxf3 11. gxf3 Bxe5 12. dxe5 Nd7 13. f4 g5 14. e3 gxf4 15. exf4 Qh4 16. Qg3 Qe7 17. Be2 0-0-0 18. 0-0-0 a5 19. Na2 axb4 20. axb4 Rhg8 21. Qh3 f6 22. Bd3 fxe5 23. fxe5 Qxe5 24. Bxh7 Rh8 25. Qd3 Rdf8 26. Rd2 Qf4 27. h4 Ne5 28. Qh3+ Kb8 29. Bc2 Nf3 30. Rhd1 Nxd2 31. Rxd2 Rxh4 32. Qd3 Rh2 33. Kb1 Nb5 34. Kb2 Qe5+ 35. Kb1 Rfxf2 36. Rxf2 Rxf2 37. Nc1 Nc3+ 38. Kb2 Nd1+ 39. Ka3 Qb2+ 40. Ka4 Nc3+ 41. Ka5 Qa3+ 42. Kb6 Qa7# 0-1

[Event "ICCF-Cup8/9 V142 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Winkler, Udo"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "C16"]
[PlyCount "48"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qe7 5. Bd2 b6 6. Qg4 f5 7. Qh5+ Qf7 8. Qxf7+ Kxf7 9. Nf3 h6 10. 0-0-0 a6 11. a3 Bf8 12. Bd3 b5 13. h4 c5 14. Be3 c4 15. Be2 Bd7 16. Na2 a5 17. Nc3 b4 18. Nb1 Nc6 19. c3 Na7 20. Bd2 Rb8 21. Ne1 bxa3 22. bxa3 Ba4 23. Nc2 Nb5 24. f4 Bxc2 0-1

[Event "ICCF-Cup8/9 V149 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Zimmermann, Hans Dieter"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "C01"]
[PlyCount "74"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nf3 0-0 7. 0-0 Bg4 8. Bxf6 Bxf6 9. c3 Nd7 10. Nbd2 Re8 11. h3 Bh5 12. Qc2 Nf8 13. Rfe1 Qd7 14. Rxe8 Rxe8 15. Re1 Rxe1+ 16. Nxe1 Bg6 17. Ndf3 c6 18. Qe2 Bxd3 19. Nxd3 Qf5 20. a3 Qe4 21. Kf1 Be7 22. Qd2 Ne6 23. Qe3 Bd6 24. Nd2 Qxe3 25. fxe3 f5 26. Kf2 Kf7 27. c4 Kf6 28. cxd5 cxd5 29. Nf3 f4 30. exf4 Bxf4 31. g3 Bd6 32. g4 g5 33. b4 b6 34. a4 a6 35. Nde5 Nxd4 36. Nd7+ Ke6 37. Nxb6 Nxf3 0-1

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "5"]
[White "Blum, Norbert"]
[Black "Koch, M."]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "58"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Qxd6 9. 0-0 Bf5 10. cxd4 e6 11. Nc3 Be7 12. Be3 0-0 13. Qe2 a6 14. Rfd1 Nd5 15. Nxd5 exd5 16. Ne5 Rfe8 17. Qf3 Be6 18. Bf4 Qd8 19. Nxc6 bxc6 20. Rac1 Qd7 21. Qg3 Rac8 22. Ba4 Bf6 23. Qc3 Qa7 24. Qc5 Qxc5 25. Rxc5 Bd7 26. Rxd5 Bg4 27. f3 cxd5 28. Bxe8 Rxe8 29. fxg4 Re4 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "4"]
[White "Koch, M."]
[Black "Birr, Beate"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "30"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 e5 6. Nc3 Qxd4 7. Qxd4 exd4 8. Nb5 Na6 9. Nf3 Nf6 10. Nfxd4 Bb4+ 11. Bd2 Bxd2+ 12. Kxd2 0-0 13. f3 Nc5 14. Rd1 a6 15. Nc3 b5 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "7"]
[White "Koch, M."]
[Black "Borgelt, Christian"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "24"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. hxg4 hxg4 8. c3 Qd3 9. Nxe5 Bd6 10. Nxd3 Bh2+ 11. Kh1 Bg3+ 12. Kg1 Bh2+ 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "6"]
[White "Koch, M."]
[Black "Ibs, Volker"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "28"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 e6 5. Nge2 Be7 6. d4 0-0 7. 0-0 b6 8. Nxd5 exd5 9. Bd3 Bg4 10. Be3 Bd6 11. f3 Bd7 12. Bf4 Bxf4 13. Nxf4 c6 14. Qd2 Qf6 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "2"]
[White "Koch, M."]
[Black "Schrepp, Martin"]
[Result "1/2-1/2"]
[ECO "C63"]
[PlyCount "37"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. 0-0 fxe4 5. Bxc6 dxc6 6. Nxe5 Qh4 7. d4 Bd6 8. Qe2 Nf6 9. Nc3 0-0 10. f3 exf3 11. Nxf3 Qh5 12. Ne5 Qxe2 13. Nxe2 c5 14. Nc4 Bg4 15. Nxd6 Bxe2 16. Re1 Ba6 17. Nf5 Rae8 18. Bg5 cxd4 19. Nxd4 1/2-1/2

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "1"]
[White "Quelle, Helmut"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "A34"]
[PlyCount "28"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 Nxc3 7. bxc3 0-0 8. 0-0 c5 9. Rb1 Nc6 10. Qa4 a6 11. Ba3 b5 12. Rxb5 axb5 13. Qxa8 Qb6 14. Rb1 Bf5 0-1

[Event "Mainz op"]
[Site "Mainz"]
[Date "1989.??.??"]
[Round "3"]
[White "Riedel, Holger"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "D89"]
[PlyCount "51"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. Rc1 Bxa2 15. Qa4 Be6 16. d5 a6 17. Qb4 b5 18. Bc5 Re8 19. dxe6 Qxd3 20. exf7+ Kxf7 21. Qxa5 Qxe2 22. Rf2 Qd3 23. Qa2+ Kf8 24. Rd2 Qxd2 25. Qxd2 Rad8 26. Bxe7+ 1-0

[Event "FRG-ch U26"]
[Site "Aachen"]
[Date "1988.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "De Cauter, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "37"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bc4 Bf5 7. c3 Qc7 8. Ne2 e6 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Ng3 Bg6 12. Qf3 Nd7 13. h4 h6 14. 0-0-0 0-0-0 15. Ne4 Bxe4 16. Qxe4 Nb6 17. Bb3 Nd5 18. Bxd5 Qxd5 19. Qxd5 1/2-1/2

[Event "FRG-ch U26"]
[Site "Aachen"]
[Date "1988.??.??"]
[Round "?"]
[White "Koch, M."]
[Black "Weiss, A."]
[Result "0-1"]
[ECO "C68"]
[PlyCount "56"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Be3 0-0-0 9. Ne2 Re8 10. Nd2 f5 11. exf5 Bxf5 12. 0-0-0 Nf6 13. Ng3 Be6 14. Nb3 b6 15. h3 Bd6 16. Rhe1 c5 17. Ne2 Bd5 18. Nf4 Bxf4 19. Bxf4 Bxg2 20. Rg1 Bf3 21. Rxg7 Bxd1 22. Rxc7+ Kd8 23. Kxd1 Nd5 24. Rf7 Nxf4 25. Rxf4 Rhf8 26. Rh4 Rxf2 27. Rxh7 Rg8 28. Ke1 Rxc2 0-1

[Event "FRG-ch U26"]
[Site "Aachen"]
[Date "1988.??.??"]
[Round "?"]
[White "Moeller, Peter"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "E60"]
[PlyCount "71"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. g3 d6 5. Bg2 Bg7 6. 0-0 0-0 7. c4 a6 8. Nc3 e6 9. a4 e5 10. Ng5 h6 11. Nh3 Bd7 12. f3 Qe7 13. e4 Kh7 14. Be3 Ng8 15. f4 f5 16. Qd2 b6 17. fxe5 Bxe5 18. Nf4 Ra7 19. exf5 Bxf5 20. Ne6 Rf7 21. Rae1 Nd7 22. Bf4 Bxf4 23. Rxf4 Ne5 24. Rh4 Bxe6 25. dxe6 Qxe6 26. Bd5 Qe8 27. Kg2 Rg7 28. Ne4 Qf8 29. Ng5+ Kh8 30. Ne6 Qf5 31. Nxg7 Rxg7 32. Rf4 Qd3 33. Rd1 Qb3 34. Rf8 Nxc4 35. Qxh6+ Rh7 36. Rxg8# 1-0

[Event "FRG-ch U26"]
[Site "Aachen"]
[Date "1988.??.??"]
[Round "?"]
[White "Niermann, Rainer"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "B84"]
[PlyCount "51"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 Be7 9. f4 d6 10. Kh1 Nxd4 11. Qxd4 e5 12. fxe5 dxe5 13. Qd3 Be6 14. Nd5 Nxd5 15. exd5 Bd7 16. Rad1 Bd6 17. c4 b6 18. b4 Ba4 19. Rb1 Qe7 20. Qa3 Bc2 21. Rb2 Bg6 22. c5 bxc5 23. bxc5 Bb8 24. d6 Qe6 25. Bb5+ Kf8 26. Bc6 1-0

[Event "FRG-ch U26"]
[Site "Aachen"]
[Date "1988.??.??"]
[Round "?"]
[White "Reiser, Charles Roy"]
[Black "Koch, M."]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "25"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. c3 d6 6. 0-0 c6 7. h3 Na6 8. e4 e5 9. Be3 h6 10. Ne1 d5 11. Nc2 Be6 12. Kh2 dxe4 13. dxe4 1/2-1/2

[Event "FRG-ch U26"]
[Site "Aachen"]
[Date "1988.??.??"]
[Round "?"]
[White "Spyrou, Emanuel"]
[Black "Koch, M."]
[Result "1-0"]
[ECO "A51"]
[PlyCount "33"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Bb4+ 5. Nbd2 Nc6 6. a3 Nxd2 7. Nxd2 Bf8 8. Nf3 h6 9. b4 Qe7 10. Bb2 Rg8 11. e3 g5 12. h3 Bg7 13. Qd5 h5 14. g4 b6 15. b5 Bb7 16. bxc6 Bxc6 17. Qd1 1-0

[Event "FRG-ch M corr"]
[Site "GER corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Baur, Helmut"]
[Black "Koch, M."]
[Result "0-1"]
[ECO "D34"]
[PlyCount "40"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 h6 10. Be3 c4 11. Ne5 Qa5 12. Qd2 Rd8 13. f4 Bf5 14. h3 Bb4 15. g4 Be4 16. a3 Bxc3 17. bxc3 Bxg2 18. Kxg2 Ne4 19. Qc2 Qxc3 20. Qxc3 Nxc3 0-1

