| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 251. K Pytel vs R Grabczewski |
| ½-½ | 44 | 1974 | Lublin | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 252. R Grabczewski vs A Sydor |
| ½-½ | 16 | 1974 | Lublin | C77 Ruy Lopez |
| 253. R Grabczewski vs R Nicevski |
| 1-0 | 31 | 1974 | Lublin | B81 Sicilian, Scheveningen, Keres Attack |
| 254. H Liebert vs R Grabczewski |
| ½-½ | 19 | 1974 | Lublin | A07 King's Indian Attack |
| 255. Z Szymczak vs R Grabczewski |
| ½-½ | 14 | 1974 | Lublin | D34 Queen's Gambit Declined, Tarrasch |
| 256. R Grabczewski vs J Pribyl |
| ½-½ | 15 | 1974 | Lublin | B29 Sicilian, Nimzovich-Rubinstein |
| 257. R Grabczewski vs T Georgadze |
| 0-1 | 48 | 1974 | Lublin | B32 Sicilian |
| 258. M Damjanovic vs R Grabczewski |
| 1-0 | 50 | 1974 | Lublin | C78 Ruy Lopez |
| 259. Y Anikaev vs R Grabczewski |
| ½-½ | 46 | 1974 | Lublin | A22 English |
| 260. R Grabczewski vs L Vogt |
| ½-½ | 13 | 1974 | Lublin | C91 Ruy Lopez, Closed |
| 261. Kholmov vs R Grabczewski |
| 1-0 | 30 | 1975 | Laszlo Toth Memorial | C78 Ruy Lopez |
| 262. Plachetka vs R Grabczewski |
| 1-0 | 35 | 1975 | Laszlo Toth Memorial | C78 Ruy Lopez |
| 263. Csom vs R Grabczewski |
| 1-0 | 28 | 1975 | Laszlo Toth Memorial | A06 Reti Opening |
| 264. R Grabczewski vs L Barczay |
| 1-0 | 36 | 1975 | Laszlo Toth Memorial | B97 Sicilian, Najdorf |
| 265. R Grabczewski vs P Dely |
| ½-½ | 18 | 1975 | Laszlo Toth Memorial | B14 Caro-Kann, Panov-Botvinnik Attack |
| 266. R Grabczewski vs Forintos |
| 0-1 | 31 | 1975 | Laszlo Toth Memorial | B81 Sicilian, Scheveningen, Keres Attack |
| 267. R Grabczewski vs G Moehring |
| 0-1 | 49 | 1975 | Laszlo Toth Memorial | B44 Sicilian |
| 268. R Grabczewski vs F Portisch |
| ½-½ | 21 | 1975 | Laszlo Toth Memorial | C18 French, Winawer |
| 269. R Grabczewski vs P Szekely |
| ½-½ | 17 | 1975 | Laszlo Toth Memorial | B97 Sicilian, Najdorf |
| 270. R Grabczewski vs L Vadasz |
| 0-1 | 39 | 1975 | Laszlo Toth Memorial | B06 Robatsch |
| 271. K Honfi vs R Grabczewski |
| ½-½ | 43 | 1975 | Laszlo Toth Memorial | C78 Ruy Lopez |
| 272. J Tompa vs R Grabczewski |
| ½-½ | 40 | 1975 | Laszlo Toth Memorial | C44 King's Pawn Game |
| 273. R Grabczewski vs S Gawlikowski |
| 0-1 | 32 | 1975 | Polish Team Championship | B04 Alekhine's Defense, Modern |
| 274. R Grabczewski vs W Swic |
| 1-0 | 22 | 1975 | Polish Team Championship | A07 King's Indian Attack |
| 275. I Nowak vs R Grabczewski |
| ½-½ | 23 | 1975 | Polish Team Championship | A09 Reti Opening |
Kibitzing
