| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Czaya vs Teschner |
| 0-1 | 38 |
1948 |
Essen West German ch | C17 French, Winawer, Advance |
| 2. W Ernst vs Teschner |
| 0-1 | 74 |
1948 |
Essen West German ch | A92 Dutch |
| 3. Teschner vs Sahlmann |
| 0-1 | 24 |
1948 |
Essen West German ch | C35 King's Gambit Accepted, Cunningham |
| 4. Teschner vs Niephaus |
| 0-1 | 42 |
1948 |
Essen West German ch | D31 Queen's Gambit Declined |
| 5. H Lohmann vs Teschner |
 | 0-1 | 10 |
1950 |
Bad Pymont - | C10 French |
| 6. K Lehmann vs Teschner |
| 0-1 | 10 |
1950 |
Bad Pyrmont | C10 French |
| 7. Schmid vs Teschner |
| 0-1 | 43 |
1951 |
GER-ch 14th | C18 French, Winawer |
| 8. Najdorf vs Teschner |
| 0-1 | 43 |
1952 |
Helsinki | D45 Queen's Gambit Declined Semi-Slav |
| 9. Teschner vs Reshevsky |
| 0-1 | 38 |
1952 |
Helsinki ol (Men) | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 10. Teschner vs Gligoric |
| 0-1 | 25 |
1952 |
Helsinki ol (Men) | E76 King's Indian, Four Pawns Attack |
| 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. C Doerner vs Teschner |
| 0-1 | 33 |
1952 |
Helsinki ol (Men) | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 14. Teschner vs F Olafsson |
| 0-1 | 36 |
1953 |
Hastings | C84 Ruy Lopez, Closed |
| 15. Wade vs Teschner |
| 0-1 | 50 |
1953 |
Hastings | C24 Bishop's Opening |
| 16. Tartakower vs Teschner |
| 0-1 | 44 |
1953 |
Hastings | D02 Queen's Pawn Game |
| 17. Teschner vs K Darga |
| 0-1 | 53 |
1955 |
Hamburg | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 18. C B Van den Berg vs Teschner |
| 0-1 | 25 |
1957 |
FRG-NED | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 19. Teschner vs Uhlmann |
| 0-1 | 58 |
1957 |
Wageningen Netherlan | C18 French, Winawer |
| 20. Teschner vs J Kozma |
| 0-1 | 39 |
1957 |
EU-chT (Men) | E51 Nimzo-Indian, 4.e3 |
| 21. Teschner vs Tal |
| 0-1 | 37 |
1957 |
Vienna ETC | B56 Sicilian |
| 22. Teschner vs Spassky |
| 0-1 | 72 |
1959 |
Riga | E10 Queen's Pawn Game |
| 23. Teschner vs Keres |
| 0-1 | 41 |
1960 |
Hamburg FRG-SU (02.08.60) | E94 King's Indian, Orthodox |
| 24. E Paoli vs Teschner |
| 0-1 | 56 |
1961 |
Clare Benedict Cup 08th | C05 French, Tarrasch |
| 25. Teschner vs Smyslov |
| 0-1 | 40 |
1961 |
Dortmund | B90 Sicilian, Najdorf |
