| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 251. Bobotsov vs R Teschner |
| 1-0 | 40 | 1968 | Bamberg | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 252. Szabo vs R Teschner |
| 0-1 | 51 | 1968 | Bamberg | D17 Queen's Gambit Declined Slav |
| 253. R Teschner vs Keres |
| ½-½ | 18 | 1968 | Bamberg | C71 Ruy Lopez |
| 254. Ivkov vs R Teschner |
 | 0-1 | 36 | 1968 | Bamberg | A00 Uncommon Opening |
| 255. R Teschner vs Petrosian |
| ½-½ | 42 | 1968 | Bamberg | C96 Ruy Lopez, Closed |
| 256. Bronstein vs R Teschner |
| ½-½ | 33 | 1969 | Monte Carlo | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 257. Hort vs R Teschner |
| ½-½ | 39 | 1969 | Monte Carlo | D19 Queen's Gambit Declined Slav, Dutch |
| 258. Lombardy vs R Teschner |
| ½-½ | 40 | 1969 | Monte Carlo | A06 Reti Opening |
| 259. R Teschner vs Portisch |
| ½-½ | 40 | 1969 | Monte Carlo | C02 French, Advance |
| 260. R Teschner vs Smyslov |
| ½-½ | 41 | 1969 | Monte Carlo | D86 Grunfeld, Exchange |
| 261. R Teschner vs L Schmid |
| ½-½ | 26 | 1969 | Monte Carlo | B83 Sicilian |
| 262. R Teschner vs Rossolimo |
| 0-1 | 40 | 1969 | Monte Carlo | E59 Nimzo-Indian, 4.e3, Main line |
| 263. Benko vs R Teschner |
| ½-½ | 51 | 1969 | Monte Carlo | D32 Queen's Gambit Declined, Tarrasch |
| 264. Gheorghiu vs R Teschner |
| 1-0 | 41 | 1969 | Monte Carlo | D11 Queen's Gambit Declined Slav |
| 265. R Teschner vs K Honfi |
| 0-1 | 47 | 1969 | Monte Carlo | C82 Ruy Lopez, Open |
| 266. R Teschner vs P Ostojic |
| 1-0 | 62 | 1969 | Monte Carlo | A56 Benoni Defense |
| 267. H Bouwmeester vs R Teschner |
| 1-0 | 63 | 1969 | Clare Benedict Cup | E50 Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5 |
| 268. R Teschner vs H Holaszek |
| ½-½ | 41 | 1969 | Clare Benedict Cup | E81 King's Indian, Samisch |
| 269. R Toran vs R Teschner |
| ½-½ | 20 | 1969 | Clare Benedict Cup | D10 Queen's Gambit Declined Slav |
| 270. J Kupper vs R Teschner |
| 1-0 | 41 | 1969 | Clare Benedict Cup | B09 Pirc, Austrian Attack |
| 271. R Teschner vs Keene |
| 0-1 | 52 | 1971 | FRG-ch International | B06 Robatsch |
| 272. Parma vs R Teschner |
| ½-½ | 23 | 1971 | FRG-ch International | C84 Ruy Lopez, Closed |
| 273. Westerinen vs R Teschner |
| ½-½ | 58 | 1971 | FRG-ch International | C78 Ruy Lopez |
| 274. W Hug vs R Teschner |
| 1-0 | 37 | 1971 | FRG-ch International | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 275. J Dueball vs R Teschner |
| 1-0 | 48 | 1971 | FRG-ch International | E97 King's Indian |
Kibitzing
