[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Gentner, Roland"]
[Black "Opitz, Michael"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "26"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d6 2. e4 e5 3. dxe5 Qe7 4. Nf3 dxe5 5. Nc3 Nf6 6. Bc4 Bg4 7. 0-0 Nbd7 8. Qd3 Nc5 9. Qe3 c6 10. Ng5 0-0-0 11. Nxf7 Rd4 12. b3 Rg8 13. Ng5 Rh8 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Hopfgarten, Ernst"]
[Black "Opitz, Michael"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "91"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qa5+ 5. Nc3 Nxd4 6. Qxd4 e5 7. Qd5 Bb4 8. Qxa5 Bxa5 9. Bd2 Nf6 10. f3 a6 11. Bc4 0-0 12. Ke2 b5 13. Bd5 Rb8 14. Bb3 Bb7 15. Nd5 Bxd5 16. Bxa5 Bxb3 17. axb3 d5 18. exd5 Nxd5 19. Rhd1 Nf4+ 20. Kf1 Rfe8 21. Rd6 Rbc8 22. c3 e4 23. fxe4 Rxe4 24. g3 Ne6 25. Bb4 Re8 26. Rdxa6 Ng5 27. Ra8 Nf3 28. Rxe8+ Rxe8 29. Ra5 Nxh2+ 30. Kg1 Nf3+ 31. Kf2 Nd2 32. Rxb5 Nxb3 33. c4 f6 34. Bc3 Nc1 35. Rd5 Rc8 36. Rd4 Nb3 37. Re4 Nc5 38. Re3 Rb8 39. b4 Na4 40. c5 Nxc3 41. Rxc3 Rxb4 42. c6 Rb8 43. Ke3 Kf7 44. Kd4 Ke7 45. Kc5 Rb1 46. Rd3 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1998.??.??"]
[Round "?"]
[White "Opitz, Michael"]
[Black "Kirschner, Gerhard"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "94"]
[EventDate "1998.??.??"]
[EventType "swiss (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 Rc8 9. h3 Bh5 10. 0-0 e6 11. g4 Bg6 12. Qa4 a5 13. Ne5 Ndb4 14. d5 exd5 15. a3 Bc2 16. Re1 Be7 17. Bxc6+ bxc6 18. b3 f6 19. axb4 fxe5 20. bxa5 0-0 21. Ra2 Bg6 22. Rxe5 Bf6 23. Bf4 d4 24. Ne2 Bxe5 25. Bxe5 c5 26. Ng3 Rf3 27. Ra1 Rc3 28. a6 Qd5 29. a7 Ra8 30. Bb8 Rxb3 31. Nf5 Qe6 32. Qa5 Bxf5 33. Qd8+ Kf7 34. gxf5 Qc6 35. Re1 Rb7 36. Qh4 h6 37. Qg3 Raxa7 38. Bxa7 Rxa7 39. Qe5 Rc7 40. Qg3 Rb7 41. Qd3 Kg8 42. Qc4+ Kh7 43. Qe6 Rc7 44. Rd1 Qxe6 45. fxe6 Kg6 46. f4 Kf6 47. Re1 c4 0-1

[Event "GER KB corr"]
[Site "GER corr"]
[Date "1997.??.??"]
[Round "?"]
[White "Opitz, Michael"]
[Black "Appelmann, Werner"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "36"]
[EventDate "1998.??.??"]
[EventType "team (corr)"]
[EventRounds "6"]
[EventCountry "GER"]
[SourceTitle "Corr 2020"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. Re1 Be7 9. c3 Qd7 10. Bxe4 dxe4 11. Rxe4 0-0-0 12. Nbd2 Rhe8 13. Qa4 Bf6 14. d5 Rxe4 15. Qxe4 Bxf3 16. dxc6 Bxe4 17. cxd7+ Rxd7 18. Nxe4 Rd1# 0-1

[Event "GER-ch qgC20 corr9395"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Assmann, Winfried"]
[Black "Opitz, Michael"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "71"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[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 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Be3 Ne5 11. Bb3 Bg7 12. Qd2 0-0 13. 0-0-0 d5 14. f3 Re8 15. Bh6 Bf6 16. Qf4 Nd7 17. h4 Nc5 18. h5 Nxb3+ 19. cxb3 Be5 20. Qd2 Ba6 21. hxg6 hxg6 22. f4 Bf6 23. Rde1 Qa5 24. f5 Rxe1+ 25. Rxe1 d4 26. Ne4 Qxf5 27. g4 Qf3 28. Nxf6+ Qxf6 29. Bg5 Qg7 30. Qf4 d3 31. Bf6 Qh7 32. Qe4 d2+ 33. Kxd2 Qh2+ 34. Kc1 Qd6 35. g5 Bd3 36. Qh4 1-0

[Event "GER-ch qgC20 corr9395"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Breuning, Peter"]
[Black "Opitz, Michael"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "40"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Bd6 7. Bd3 0-0 8. 0-0 h6 9. Bh4 g5 10. Bg3 Bxg3 11. hxg3 Qe7 12. e4 dxc4 13. Bxc4 e5 14. Kh1 b5 15. Bb3 b4 16. Na4 Ba6 17. Re1 Rac8 18. Qd2 Rfd8 19. Rad1 Bb5 20. Qe3 c5 1/2-1/2

[Event "GER-ch qgC20 corr9395"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Langen, Ralf"]
[Black "Opitz, Michael"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "19"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[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 a6 6. Be3 e6 7. Qd2 Be7 8. f3 e5 9. Nb3 Be6 10. Be2 1/2-1/2

[Event "GER-ch qgC20 corr9395"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Opitz, Michael"]
[Black "De Buhr, Gerhard"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "32"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "GER"]
[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. Nxf6+ Nxf6 7. c3 Qc7 8. Qb3 e6 9. Nf3 Bd6 10. Bg5 Nd5 11. 0-0 b6 12. Rfe1 0-0 13. Rad1 h6 14. Bh4 Ne7 15. Bd3 Bb7 16. Ne5 c5 1/2-1/2

[Event "GER-ch qgC20 corr9395"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Opitz, Michael"]
[Black "Erlbeck, Peter"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "15"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d6 7. Bb5 Be7 8. Nxc6 1-0

[Event "GER-ch qgC20 corr9395"]
[Site "GER corr"]
[Date "1993.??.??"]
[Round "?"]
[White "Opitz, Michael"]
[Black "Kalwa, Johannes S"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "23"]
[EventDate "1993.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[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. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. 0-0 0-0 7. a3 d6 8. Na4 Bb6 9. Nxb6 axb6 10. h3 Na5 11. Ba2 c5 12. b4 1-0

[Event "EU-ch corr"]
[Site "ICCF corr"]
[Date "1984.??.??"]
[Round "?"]
[White "Opitz, Michael"]
[Black "Mueller"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "84"]
[EventDate "1984.06.07"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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. Bxc6 dxc6 5. 0-0 Qd6 6. a4 f6 7. Ra3 Bg4 8. Rd3 Qe6 9. h3 Bh5 10. b3 Bd6 11. Na3 0-0-0 12. Nc4 Ne7 13. Bb2 Bf7 14. Qe2 Ng6 15. Qe3 Nf4 16. Nxd6+ cxd6 17. Rc3 d5 18. d4 exd4 19. Nxd4 Qxe4 20. Qxe4 dxe4 21. Re3 Rhe8 22. Rfe1 Bg6 23. b4 Nd5 24. Rb3 Rd7 25. Bc1 f5 26. g3 Nb6 27. b5 axb5 28. axb5 c5 29. Nc6 Rd5 30. Bf4 Kd7 31. Ra1 c4 32. Rb4 bxc6 33. bxc6+ Kxc6 34. Ra7 Rc8 35. Re7 Rd1+ 36. Kh2 Nd5 37. Re6+ Kd7 38. Rd6+ Ke8 39. Rb7 e3 40. Re6+ Kf8 41. Bd6+ Kg8 42. Be5 exf2 0-1

