| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Junge vs Teschner |
 | 1-0 | 35 |
1942 |
XVI.cr tournament of | C83 Ruy Lopez, Open |
| 2. Teschner vs Sahlmann |
| 0-1 | 24 |
1948 |
Essen West German ch | C35 King's Gambit Accepted, Cunningham |
| 3. Greis Heinz vs Teschner |
| 1-0 | 61 |
1948 |
Essen West German ch | C15 French, Winawer |
| 4. Rautenberg vs Teschner |
| 1-0 | 35 |
1948 |
Essen West German ch | D45 Queen's Gambit Declined Semi-Slav |
| 5. Teschner vs Niephaus |
| 0-1 | 42 |
1948 |
Essen West German ch | D31 Queen's Gambit Declined |
| 6. G Stein vs Teschner |
| 1-0 | 40 |
1948 |
Essen West German ch | C67 Ruy Lopez |
| 7. G Machate vs Teschner |
| 1-0 | 102 |
1948 |
Essen West German ch | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 8. Teschner vs Gligoric |
| 0-1 | 25 |
1952 |
Helsinki ol (Men) | E76 King's Indian, Four Pawns Attack |
| 9. Teschner vs Reshevsky |
| 0-1 | 38 |
1952 |
Helsinki ol (Men) | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 10. Filip vs Teschner |
| 1-0 | 36 |
1952 |
Helsinki ol (Men) | D10 Queen's Gambit Declined Slav |
| 11. Teschner vs Stahlberg |
| 0-1 | 72 |
1952 |
Helsinki ol (Men) | B31 Sicilian, Rossolimo Variation |
| 12. Teschner vs Najdorf |
| 0-1 | 41 |
1952 |
Helsinki | E94 King's Indian, Orthodox |
| 13. Bronstein vs Teschner |
| 1-0 | 68 |
1953 |
Hastings | C77 Ruy Lopez |
| 14. Teschner vs F Olafsson |
| 0-1 | 36 |
1953 |
Hastings | C84 Ruy Lopez, Closed |
| 15. Tolush vs Teschner |
| 1-0 | 31 |
1953 |
Hastings | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 16. Teschner vs K Darga |
| 0-1 | 53 |
1955 |
Hamburg | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 17. Teschner vs J Kozma |
| 0-1 | 39 |
1957 |
EU-chT (Men) | E51 Nimzo-Indian, 4.e3 |
| 18. Teschner vs Uhlmann |
| 0-1 | 58 |
1957 |
Wageningen Netherlan | C18 French, Winawer |
| 19. Szabo vs Teschner |
| 1-0 | 41 |
1957 |
Wageningen zt | E25 Nimzo-Indian, Samisch |
| 20. J Kozma vs Teschner |
| 1-0 | 62 |
1957 |
EU-chT (Men) | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 21. Teschner vs Tal |
| 0-1 | 37 |
1957 |
Vienna ETC | B56 Sicilian |
| 22. Tal vs Teschner |
| 1-0 | 27 |
1957 |
Vienna | C79 Ruy Lopez, Steinitz Defense Deferred |
| 23. V Mikenas vs Teschner |
| 1-0 | 31 |
1959 |
10 | A18 English, Mikenas-Carls |
| 24. Sliwa vs Teschner |
| 1-0 | 64 |
1959 |
Riga | A16 English |
| 25. Teschner vs Spassky |
| 0-1 | 72 |
1959 |
Riga | E10 Queen's Pawn Game |
