| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Keller vs A Donegan |
| ½-½ | 21 | 1936 | Trebitsch Memorial | D10 Queen's Gambit Declined Slav |
| 2. B Hoenlinger vs H Keller |
| 1-0 | 73 | 1936 | Trebitsch Memorial | D02 Queen's Pawn Game |
| 3. H Keller vs A Becker |
| ½-½ | 62 | 1936 | Trebitsch Memorial | E38 Nimzo-Indian, Classical, 4...c5 |
| 4. K Weinstock vs H Keller |
| 1-0 | 42 | 1936 | Trebitsch Memorial | B02 Alekhine's Defense |
| 5. H Keller vs F Igel |
| ½-½ | 42 | 1936 | Trebitsch Memorial | D45 Queen's Gambit Declined Semi-Slav |
| 6. Spielmann vs H Keller |
| 1-0 | 40 | 1936 | Trebitsch Memorial | D37 Queen's Gambit Declined |
| 7. H Keller vs P Michel |
| 0-1 | 30 | 1936 | Trebitsch Memorial | D34 Queen's Gambit Declined, Tarrasch |
| 8. H Keller vs G Fuster |
| 0-1 | 44 | 1936 | Trebitsch Memorial | D18 Queen's Gambit Declined Slav, Dutch |
| 9. H Friedmann vs H Keller |
| 1-0 | 41 | 1936 | Trebitsch Memorial | E33 Nimzo-Indian, Classical |
| 10. H Keller vs E Glass |
| 1-0 | 43 | 1936 | Trebitsch Memorial | E33 Nimzo-Indian, Classical |
| 11. J Bruckner vs H Keller |
| 1-0 | 41 | 1936 | Trebitsch Memorial | A09 Reti Opening |
| 12. H Keller vs S Rubinstein |
| 1-0 | 63 | 1936 | Trebitsch Memorial | D52 Queen's Gambit Declined |
| 13. J Lokvenc vs H Keller |
| 1-0 | 42 | 1936 | Trebitsch Memorial | A06 Reti Opening |
| 14. H Keller vs I Fuss |
| 1-0 | 29 | 1936 | Trebitsch Memorial | E00 Queen's Pawn Game |
| 15. K Opocensky vs H Keller |
| 1-0 | 62 | 1936 | Trebitsch Memorial | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 16. Eliskases vs H Keller |
| ½-½ | 42 | 1939 | Vienna | A15 English |
| 17. L Engels vs H Keller |
| 1-0 | 36 | 1939 | Vienna | A51 Budapest Gambit |
| 18. E Stoeckl vs H Keller |
| 1-0 | 49 | 1939 | Vienna | E12 Queen's Indian |
| 19. H Keller vs H Mueller |
| 0-1 | 31 | 1939 | Vienna | A45 Queen's Pawn Game |
| 20. H Keller vs A Fink |
| 1-0 | 40 | 1939 | Vienna | D52 Queen's Gambit Declined |
| 21. H Weil vs H Keller |
| 1-0 | 33 | 1939 | Vienna | B45 Sicilian, Taimanov |
| 22. H Keller vs A Becker |
| 1-0 | 73 | 1939 | Vienna | D60 Queen's Gambit Declined, Orthodox Defense |
| 23. R Keller vs H Keller |
| ½-½ | 20 | 1940 | German Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 24. H Keller vs K Galia |
| ½-½ | 40 | 1947 | Schlechter Memorial | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 25. H Grob vs H Keller |
| 0-1 | 31 | 1947 | Schlechter Memorial | B23 Sicilian, Closed |
Kibitzing
