| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 451. W Pietzsch vs W Golz |
| ½-½ | 35 | 1966 | DSV Tournament | B16 Caro-Kann, Bronstein-Larsen Variation |
| 452. B Malich vs W Pietzsch |
| ½-½ | 13 | 1966 | DSV Tournament | D55 Queen's Gambit Declined |
| 453. W Pietzsch vs Hort |
 | ½-½ | 31 | 1966 | Havana Olympiad qual-5 | C93 Ruy Lopez, Closed, Smyslov Defense |
| 454. M Fallone vs W Pietzsch |
| 1-0 | 60 | 1966 | Havana Olympiad qual-5 | A45 Queen's Pawn Game |
| 455. W Pietzsch vs G Cappello |
| 1-0 | 31 | 1966 | Havana Olympiad qual-5 | A71 Benoni, Classical, 8.Bg5 |
| 456. A Constantinou vs W Pietzsch |
| 0-1 | 44 | 1966 | Havana Olympiad qual-5 | B89 Sicilian |
| 457. W Pietzsch vs Panno |
| 0-1 | 32 | 1966 | Havana Olympiad Final-A | B83 Sicilian |
| 458. Bobotsov vs W Pietzsch |
| ½-½ | 40 | 1966 | Havana Olympiad Final-A | D59 Queen's Gambit Declined, Tartakower |
| 459. W Pietzsch vs Hort |
| ½-½ | 22 | 1966 | Havana Olympiad Final-A | B56 Sicilian |
| 460. R Byrne vs W Pietzsch |
| 1-0 | 40 | 1966 | Havana Olympiad Final-A | D31 Queen's Gambit Declined |
| 461. B Brinck-Claussen vs W Pietzsch |
| ½-½ | 33 | 1966 | Havana Olympiad Final-A | E73 King's Indian |
| 462. W Pietzsch vs Spassky |
| ½-½ | 29 | 1966 | Havana Olympiad Final-A | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 463. A Medina Garcia vs W Pietzsch |
| ½-½ | 42 | 1966 | Havana Olympiad Final-A | C05 French, Tarrasch |
| 464. W Pietzsch vs G Palmason |
| 1-0 | 33 | 1966 | Havana Olympiad Final-A | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 465. V Ciocaltea vs W Pietzsch |
| ½-½ | 57 | 1966 | Havana Olympiad Final-A | C18 French, Winawer |
| 466. W Pietzsch vs Portisch |
| ½-½ | 17 | 1966 | Havana Olympiad Final-A | C93 Ruy Lopez, Closed, Smyslov Defense |
| 467. W Pietzsch vs E Kristiansen |
| 1-0 | 21 | 1966 | Havana Olympiad Final-A | C84 Ruy Lopez, Closed |
| 468. P Peev vs W Pietzsch |
| ½-½ | 35 | 1967 | Sofia tt | E87 King's Indian, Samisch, Orthodox |
| 469. W Pietzsch vs C Radovici |
| 0-1 | 40 | 1967 | Sofia tt | B14 Caro-Kann, Panov-Botvinnik Attack |
| 470. W Pietzsch vs D Atanasakis |
| 1-0 | 27 | 1967 | Sofia tt | C49 Four Knights |
| 471. C Radovici vs W Pietzsch |
| ½-½ | 33 | 1967 | Sofia tt | C64 Ruy Lopez, Classical |
| 472. N Skalkotas vs W Pietzsch |
| 0-1 | 31 | 1967 | Sofia tt | E62 King's Indian, Fianchetto |
| 473. W Pietzsch vs N Spiridonov |
| 1-0 | 36 | 1967 | Sofia tt | B14 Caro-Kann, Panov-Botvinnik Attack |
| 474. M Schoeneberg vs W Pietzsch |
| ½-½ | 22 | 1967 | East German Championship | C18 French, Winawer |
| 475. W Golz vs W Pietzsch |
| 0-1 | 40 | 1967 | East German Championship | A71 Benoni, Classical, 8.Bg5 |
Kibitzing
