| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 226. Petrosian vs G Pfeiffer |
  | 1-0 | 30 | 1960 | Leipzig Olympiad Final-A | D45 Queen's Gambit Declined Semi-Slav |
| 227. G Pfeiffer vs G Kluger |
| 0-1 | 55 | 1960 | Leipzig Olympiad Final-A | E20 Nimzo-Indian |
| 228. K Langeweg vs G Pfeiffer |
| 0-1 | 95 | 1960 | Leipzig Olympiad Final-A | A06 Reti Opening |
| 229. A Kinzel vs G Pfeiffer |
| 1-0 | 57 | 1961 | Clare Benedict Cup | B10 Caro-Kann |
| 230. G Pfeiffer vs E Spanjaard |
| 1-0 | 46 | 1961 | Clare Benedict Cup | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 231. F Norcia vs G Pfeiffer |
| ½-½ | 10 | 1961 | Clare Benedict Cup | D02 Queen's Pawn Game |
| 232. G Pfeiffer vs J Littlewood |
| 0-1 | 50 | 1961 | Clare Benedict Cup | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 233. Matulovic vs G Pfeiffer |
| 0-1 | 41 | 1961 | European Team Championship | B14 Caro-Kann, Panov-Botvinnik Attack |
| 234. G Pfeiffer vs J Marsalek |
| 0-1 | 30 | 1961 | European Team Championship | E00 Queen's Pawn Game |
| 235. T Florian vs G Pfeiffer |
| ½-½ | 17 | 1961 | European Team Championship | D47 Queen's Gambit Declined Semi-Slav |
| 236. P Puig Pulido vs G Pfeiffer |
| ½-½ | 20 | 1961 | European Team Championship | B15 Caro-Kann |
| 237. G Pfeiffer vs Smyslov |
| 0-1 | 45 | 1961 | European Team Championship | A48 King's Indian |
| 238. G Pfeiffer vs Matulovic |
| 1-0 | 41 | 1961 | European Team Championship | A84 Dutch |
| 239. J Marsalek vs G Pfeiffer |
| ½-½ | 37 | 1961 | European Team Championship | D45 Queen's Gambit Declined Semi-Slav |
| 240. G Pfeiffer vs T Florian |
| 1-0 | 41 | 1961 | European Team Championship | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 241. G Pfeiffer vs P Puig Pulido |
| ½-½ | 40 | 1961 | European Team Championship | E80 King's Indian, Samisch Variation |
| 242. Geller vs G Pfeiffer |
| 1-0 | 38 | 1961 | European Team Championship | D15 Queen's Gambit Declined Slav |
| 243. K Darga vs G Pfeiffer |
| 1-0 | 37 | 1961 | FRG-ch 06th | B10 Caro-Kann |
| 244. G Pfeiffer vs E Joppen |
| ½-½ | 19 | 1961 | FRG-ch 06th | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 245. D Hottes vs G Pfeiffer |
| ½-½ | 28 | 1961 | FRG-ch 06th | D45 Queen's Gambit Declined Semi-Slav |
Kibitzing
