| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. A Yusupov vs J Heissler |
| 1-0 | 49 | 1991 | Bundesliga 1991/92 | E80 King's Indian, Samisch Variation |
| 2. J Heissler vs Blatny |
| ½-½ | 48 | 1991 | BL2-N 9091 | C84 Ruy Lopez, Closed |
| 3. A Goldberg vs J Heissler |
| 0-1 | 38 | 1992 | Bundesliga 9293 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 4. J Heissler vs Khalifman |
| 0-1 | 44 | 1992 | Bundesliga 1991/92 | B50 Sicilian |
| 5. J Heissler vs L Christiansen |
| 0-1 | 41 | 1992 | Bundesliga 1991/92 | B30 Sicilian |
| 6. J Heissler vs Short |
| 1-0 | 44 | 1992 | Bundesliga 1991/92 | C16 French, Winawer |
| 7. M Bosboom vs J Heissler |
| ½-½ | 15 | 1993 | Sportland NRW-Cup | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 8. S Polgar vs J Heissler |
| ½-½ | 37 | 1994 | Muenster | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 9. J Heissler vs Smyslov |
| ½-½ | 51 | 1994 | Muenster | B58 Sicilian |
| 10. S Mohr vs J Heissler |
| 0-1 | 57 | 1995 | Bundesliga 9495 | E73 King's Indian |
| 11. S Reschke vs J Heissler |
| ½-½ | 60 | 1995 | Bundesliga 1994/95 | E67 King's Indian, Fianchetto |
| 12. Uhlmann vs J Heissler |
| 1-0 | 40 | 1995 | Bundesliga 1994/95 | E73 King's Indian |
| 13. S Mohr vs J Heissler |
| ½-½ | 35 | 1996 | Bundesliga 1995/96 | A55 Old Indian, Main line |
| 14. J Heissler vs G Kern |
| ½-½ | 26 | 1996 | Bundesliga 1995/96 | B33 Sicilian |
| 15. N Michaelsen vs J Heissler |
| ½-½ | 29 | 1998 | Bundesliga 1997/98 | E76 King's Indian, Four Pawns Attack |
| 16. J Heissler vs C Hansen |
| ½-½ | 37 | 1998 | Bundesliga 1998/99 | A07 King's Indian Attack |
| 17. J Heissler vs R Appel |
| 1-0 | 41 | 1998 | Bundesliga 1998/99 | C44 King's Pawn Game |
| 18. P Koehn vs J Heissler |
| 0-1 | 41 | 1999 | Bundesliga 1998/99 | A07 King's Indian Attack |
| 19. J Heissler vs J Pichler |
| ½-½ | 29 | 1999 | Bundesliga 1998/99 | A07 King's Indian Attack |
| 20. C Renner vs J Heissler |
| 1-0 | 39 | 1999 | Bundesliga 1998/99 | A07 King's Indian Attack |
| 21. J Heissler vs Kasimdzhanov |
 | 0-1 | 40 | 1999 | Bundesliga 1998/99 | B06 Robatsch |
| 22. R Polzin vs J Heissler |
| ½-½ | 45 | 1999 | Bundesliga 1998/99 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 23. J Heissler vs M Borriss |
| 1-0 | 46 | 1999 | Bundesliga 1998/99 | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 24. J Schwalfenberg vs J Heissler |
| 1-0 | 56 | 1999 | Bundesliga 1998/99 | E60 King's Indian Defense |
| 25. J Heissler vs G Meins |
| 0-1 | 36 | 1999 | Bundesliga 1998/99 | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
Kibitzing
