| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Teschner vs Dahl |
 | 1-0 | 15 |
1946 |
Berlin | C39 King's Gambit Accepted |
| 2. Teschner vs P Troeger |
| 1-0 | 38 |
1948 |
Essen West German ch | C05 French, Tarrasch |
| 3. W Ernst vs Teschner |
| 0-1 | 74 |
1948 |
Essen West German ch | A92 Dutch |
| 4. Teschner vs T Schuster |
| 1-0 | 27 |
1948 |
Essen West German ch | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 5. Czaya vs Teschner |
| 0-1 | 38 |
1948 |
Essen West German ch | C17 French, Winawer, Advance |
| 6. K Lehmann vs Teschner |
| 0-1 | 10 |
1950 |
Bad Pyrmont | C10 French |
| 7. H Lohmann vs Teschner |
| 0-1 | 10 |
1950 |
Bad Pymont - | C10 French |
| 8. Teschner vs NN |
| 1-0 | 10 |
1951 |
Southsea ENG | C35 King's Gambit Accepted, Cunningham |
| 9. Schmid vs Teschner |
| 0-1 | 43 |
1951 |
GER-ch 14th | C18 French, Winawer |
| 10. C Doerner vs Teschner |
| 0-1 | 33 |
1952 |
Helsinki ol (Men) | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 11. Najdorf vs Teschner |
| 0-1 | 43 |
1952 |
Helsinki | D45 Queen's Gambit Declined Semi-Slav |
| 12. Teschner vs F Planas Garcia |
| 1-0 | 37 |
1952 |
Helsinki ol (Men) | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 13. Teschner vs Gilg |
| 1-0 | 41 |
1953 |
FRG Ch 02nd | E99 King's Indian, Orthodox, Taimanov |
| 14. Wade vs Teschner |
| 0-1 | 50 |
1953 |
Hastings | C24 Bishop's Opening |
| 15. Teschner vs D Horne |
| 1-0 | 61 |
1953 |
Hastings | D38 Queen's Gambit Declined, Ragozin Variation |
| 16. Tartakower vs Teschner |
| 0-1 | 44 |
1953 |
Hastings | D02 Queen's Pawn Game |
| 17. Teschner vs Golombek |
| 1-0 | 50 |
1955 |
Hamburg | B19 Caro-Kann, Classical |
| 18. Teschner vs Stahlberg |
| 1-0 | 39 |
1955 |
Klaus Junge Memorial | B80 Sicilian, Scheveningen |
| 19. C B Van den Berg vs Teschner |
| 0-1 | 25 |
1957 |
FRG-NED | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 20. Teschner vs Larsen |
| 1-0 | 48 |
1960 |
Berg en Dal zt-A | A84 Dutch |
| 21. Teschner vs Larsen |
| 1-0 | 33 |
1961 |
Dortmund | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 22. E Paoli vs Teschner |
| 0-1 | 56 |
1961 |
Clare Benedict Cup 08th | C05 French, Tarrasch |
| 23. M Aaron vs Teschner |
| 0-1 | 37 |
1962 |
Stockholm izt | E25 Nimzo-Indian, Samisch |
| 24. Uhlmann vs Teschner |
| 0-1 | 42 |
1962 |
Stockholm izt | D16 Queen's Gambit Declined Slav |
| 25. Teschner vs M Cuellar-Gacharna |
| 1-0 | 47 |
1962 |
Stockholm izt | A43 Old Benoni |
