| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. B Koester vs R Gralla |
  | 0-1 | 24 | 1971 | High School Championship (Finals) | C10 French |
| 2. R Gralla vs H W Stark |
| 1-0 | 30 | 1972 | Youth League of Schleswig-Holstein | B15 Caro-Kann |
| 3. R Gralla vs H Seipel |
 | 1-0 | 24 | 1972 | Blumen Horstmann, Open Air Casual | C28 Vienna Game |
| 4. D Steinwender vs R Gralla |
| 0-1 | 18 | 1972 | Bismarck High School Chess Club casual | C63 Ruy Lopez, Schliemann Defense |
| 5. B Schlueter vs R Gralla |
| 0-1 | 44 | 1972 | Schleswig-Holstein Youth League | A03 Bird's Opening |
| 6. R Gralla vs B Schlueter |
| 1-0 | 30 | 1973 | Youth-ch Schleswig-Holstein; Master Class | B03 Alekhine's Defense |
| 7. R Gralla vs A Dierks |
| 1-0 | 41 | 1973 | Youth-ch Schleswig-Holstein; Master Class | C42 Petrov Defense |
| 8. B Koester vs R Gralla |
| 0-1 | 31 | 1973 | 10-Games-Competition | E17 Queen's Indian |
| 9. R Gralla vs J Hempel |
| ½-½ | 17 | 1974 | Schleswig-Holstein Youth League | A04 Reti Opening |
| 10. R Gralla vs H P Ollmann |
| 1-0 | 28 | 1975 | Daehne-Cup Schleswig-Holstein qf | C05 French, Tarrasch |
| 11. R Gralla vs D Steinwender |
| 1-0 | 34 | 1975 | Championship Elmshorner SC 75/76 | B40 Sicilian |
| 12. A Janotta vs R Gralla |
| 0-1 | 41 | 1975 | Championship Elmshorner SC 75/76 | A25 English |
| 13. R Gralla vs H Kroeger |
| 1-0 | 17 | 1975 | Championship Elmshorner SC 75/76 | C41 Philidor Defense |
| 14. P Doessel vs R Gralla |
| 0-1 | 27 | 1976 | Championship Elmshorner SC 75/76, play-off | C63 Ruy Lopez, Schliemann Defense |
| 15. J Nikodem vs R Gralla |
| 0-1 | 39 | 1976 | Hamburg Team Championship (A-Class): Wedel 1 vs Elmshorn 1 | E30 Nimzo-Indian, Leningrad |
| 16. R Gralla vs F Magath |
| 1-0 | 56 | 1985 | Interview Hamburg daily Hamburger Abendblatt | C91 Ruy Lopez, Closed |
| 17. R Schnelle vs R Gralla |
| 0-1 | 12 | 2003 | Recording Studio Rainer Schnelle Blitz Casual | C41 Philidor Defense |
| 18. Ulrich Lang vs R Gralla |
| 0-1 | 17 | 2003 | Cafe 'Zumir' Midnight Casual Series | C50 Giuoco Piano |
| 19. R Gralla vs Kasparov |
| 0-1 | 36 | 2003 | ZMD-6-Challengers-Online-Rapid Chess-Simul | A04 Reti Opening |
| 20. R Gralla vs I Gralla |
| 1-0 | 15 | 2003 | Casual | B00 Uncommon King's Pawn Opening |
| 21. T Voigt vs R Gralla |
| 0-1 | 22 | 2004 | Cafe-Zumir-Midnight Casual | A02 Bird's Opening |
| 22. Smudo vs R Gralla |
| ½-½ | 28 | 2004 | Interview for Neues Deutschland | C41 Philidor Defense |
| 23. M Dragicevic vs R Gralla |
| 0-1 | 5 | 2005 | Serbian Cultural Center Hamburg-Blitz Casual | A02 Bird's Opening |
| 24. R Rajkovic vs R Gralla |
| 0-1 | 17 | 2006 | Blitz casual | E21 Nimzo-Indian, Three Knights |
| 25. B Farzamfar vs R Gralla |
| 0-1 | 9 | 2006 | Cafe Rosenhof-Blitz Casual | A52 Budapest Gambit |
Kibitzing
