| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. B Gruber vs S Nedeljkovic |
| ½-½ | 50 | 1946 | Yugoslav Army Championship | C45 Scotch Game |
| 2. S Vukovic vs B Gruber |
| 1-0 | 52 | 1947 | Yugoslav Championship | D01 Richter-Veresov Attack |
| 3. B Gruber vs Vidmar |
| ½-½ | 71 | 1947 | Yugoslav Championship | D59 Queen's Gambit Declined, Tartakower |
| 4. Kostic vs B Gruber |
| 0-1 | 86 | 1947 | Yugoslav Championship | C56 Two Knights |
| 5. Gligoric vs B Gruber |
 | 1-0 | 26 | 1947 | Yugoslav Championship | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 6. B Gruber vs M Radojcic |
| 1-0 | 16 | 1947 | Yugoslav Championship | D30 Queen's Gambit Declined |
| 7. V Tomovic vs B Gruber |
| 1-0 | 38 | 1947 | Yugoslav Championship | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 8. B Gruber vs A Bozic |
| 0-1 | 36 | 1947 | Yugoslav Championship | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 9. M Vidmar Jr vs B Gruber |
| ½-½ | 22 | 1947 | Yugoslav Championship | A15 English |
| 10. B Gruber vs P Bidev |
| ½-½ | 41 | 1947 | Yugoslav Championship | B18 Caro-Kann, Classical |
| 11. B Tot vs B Gruber |
| ½-½ | 30 | 1947 | Yugoslav Championship | E17 Queen's Indian |
| 12. B Gruber vs S Puc |
| ½-½ | 41 | 1947 | Yugoslav Championship | C48 Four Knights |
| 13. M Markovic vs B Gruber |
| 1-0 | 41 | 1947 | Yugoslav Championship | D31 Queen's Gambit Declined |
| 14. B Gruber vs B Milic |
| 0-1 | 37 | 1947 | Yugoslav Championship | A13 English |
| 15. P Trifunovic vs B Gruber |
| 1-0 | 56 | 1947 | Yugoslav Championship | D65 Queen's Gambit Declined, Orthodox, Rubinstein Attack, Main line |
| 16. B Gruber vs M Germek |
| 0-1 | 31 | 1947 | Yugoslav Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 17. N Kulzinski vs B Gruber |
| ½-½ | 26 | 1947 | Yugoslav Championship | D45 Queen's Gambit Declined Semi-Slav |
| 18. B Gruber vs Pirc |
| ½-½ | 42 | 1947 | Yugoslav Championship | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 19. B Gruber vs T Florian |
| ½-½ | 27 | 1948 | Belgrade | D44 Queen's Gambit Declined Semi-Slav |
| 20. S Vukovic vs B Gruber |
| ½-½ | 38 | 1948 | Belgrade | D50 Queen's Gambit Declined |
| 21. B Gruber vs B Tot |
| ½-½ | 37 | 1948 | Belgrade | E67 King's Indian, Fianchetto |
| 22. B Gruber vs M Radojcic |
| 0-1 | 22 | 1948 | Belgrade | D44 Queen's Gambit Declined Semi-Slav |
| 23. B Gruber vs Janosevic |
| 0-1 | 30 | 1948 | Belgrade | E67 King's Indian, Fianchetto |
| 24. B Rabar vs B Gruber |
| 1-0 | 23 | 1948 | Belgrade | B10 Caro-Kann |
| 25. W Potasman vs B Gruber |
| 0-1 | 45 | 1948 | Yugoslav Semifinal North | D87 Grunfeld, Exchange |
Kibitzing
