| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 301. M Ujtelky vs K Plater |
| ½-½ | 51 | 1963 | Rubinstein Memorial | A00 Uncommon Opening |
| 302. K Plater vs H Liebert |
 | ½-½ | 42 | 1963 | Rubinstein Memorial | A00 Uncommon Opening |
| 303. Z Doda vs K Plater |
| 1-0 | 29 | 1963 | Rubinstein Memorial | A00 Uncommon Opening |
| 304. K Makarczyk vs K Plater |
| 0-1 | 57 | 1964 | POL-ch extra | B06 Robatsch |
| 305. K Plater vs H Sliwinski |
| 1-0 | 11 | 1964 | POL-ch 21th | A37 English, Symmetrical |
| 306. K Plater vs E Paoli |
| 0-1 | 51 | 1964 | Parcetic Memorial | A26 English |
| 307. K Plater vs B Tot |
| ½-½ | 57 | 1964 | Parcetic Memorial | A90 Dutch |
| 308. K Plater vs I Buljovcic |
| 0-1 | 29 | 1964 | Parcetic Memorial | A15 English |
| 309. K Plater vs T Ghitescu |
| ½-½ | 25 | 1965 | Amsterdam IBM-B | A36 English |
| 310. J Enevoldsen vs K Plater |
| ½-½ | 45 | 1965 | Amsterdam IBM-B | B08 Pirc, Classical |
| 311. K Plater vs R Hartoch |
| ½-½ | 49 | 1965 | Amsterdam IBM-B | B07 Pirc |
| 312. G Szilagyi vs K Plater |
| 1-0 | 41 | 1965 | Amsterdam IBM-B | A10 English |
| 313. K Plater vs C Orbaan |
| ½-½ | 41 | 1965 | Amsterdam IBM-B | A07 King's Indian Attack |
| 314. K Plater vs B Milic |
| ½-½ | 18 | 1965 | Amsterdam IBM-B | A00 Uncommon Opening |
| 315. J G Karper vs K Plater |
| ½-½ | 28 | 1965 | Amsterdam IBM-B | B08 Pirc, Classical |
| 316. K Plater vs R de Graaff |
| 0-1 | 46 | 1965 | Amsterdam IBM-B | A00 Uncommon Opening |
| 317. P de Rooi vs K Plater |
| 0-1 | 116 | 1965 | Amsterdam IBM-B | B06 Robatsch |
| 318. J Konikowski vs K Plater |
| 1-0 | 20 | 1968 | Augustow | B09 Pirc, Austrian Attack |
Kibitzing
