| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 326. Z Doda vs O Neikirch |
| 1-0 | 59 | 1966 | Rubinstein Memorial | A07 King's Indian Attack |
| 327. O Neikirch vs B Pietrusiak |
| ½-½ | 26 | 1966 | Rubinstein Memorial | B36 Sicilian, Accelerated Fianchetto |
| 328. M Damjanovic vs O Neikirch |
| 1-0 | 32 | 1966 | Rubinstein Memorial | C67 Ruy Lopez |
| 329. O Neikirch vs W Balcerowski |
| 1-0 | 49 | 1966 | Rubinstein Memorial | E70 King's Indian |
| 330. Sliwa vs O Neikirch |
| ½-½ | 20 | 1966 | Rubinstein Memorial | A20 English |
| 331. O Neikirch vs J Bednarski |
| ½-½ | 16 | 1966 | Rubinstein Memorial | B06 Robatsch |
| 332. A Sydor vs O Neikirch |
| ½-½ | 21 | 1966 | Rubinstein Memorial | C65 Ruy Lopez, Berlin Defense |
| 333. O Neikirch vs G Kluger |
| ½-½ | 41 | 1966 | Rubinstein Memorial | E63 King's Indian, Fianchetto, Panno Variation |
| 334. H Liebert vs O Neikirch |
| 1-0 | 65 | 1966 | Rubinstein Memorial | C67 Ruy Lopez |
| 335. O Neikirch vs A Filipowicz |
| 0-1 | 32 | 1966 | Rubinstein Memorial | A43 Old Benoni |
| 336. M Ujtelky vs O Neikirch |
| 0-1 | 57 | 1966 | Rubinstein Memorial | A36 English |
| 337. O Neikirch vs Lengyel |
| ½-½ | 19 | 1966 | Rubinstein Memorial | D59 Queen's Gambit Declined, Tartakower |
| 338. Smyslov vs O Neikirch |
| ½-½ | 17 | 1966 | Rubinstein Memorial | E17 Queen's Indian |
| 339. O Neikirch vs Halir |
 | 0-1 | 13 | 1968 | corr | C57 Two Knights |
| 340. O Neikirch vs A Hollis |
| ½-½ | 23 | 1977 | olm8 fin B2 corr | D82 Grunfeld, 4.Bf4 |
Kibitzing
