| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 551. R Grabczewski vs W Pietzsch |
| 0-1 | 31 | 1968 | Rubinstein Memorial | C64 Ruy Lopez, Classical |
| 552. Simagin vs W Pietzsch |
| ½-½ | 21 | 1968 | Rubinstein Memorial | A30 English, Symmetrical |
| 553. W Pietzsch vs Forintos |
| ½-½ | 23 | 1968 | Rubinstein Memorial | A30 English, Symmetrical |
| 554. I Bilek vs W Pietzsch |
| ½-½ | 31 | 1968 | Rubinstein Memorial | D78 Neo-Grunfeld, 6.O-O c6 |
| 555. W Pietzsch vs Z Doda |
| 0-1 | 40 | 1968 | Rubinstein Memorial | B23 Sicilian, Closed |
| 556. K Ojanen vs W Pietzsch |
| ½-½ | 21 | 1968 | Lugano Olympiad qual-6 | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 557. M Johansson vs W Pietzsch |
| ½-½ | 28 | 1968 | Lugano Olympiad qual-6 | B83 Sicilian |
| 558. W Pietzsch vs Panno |
| ½-½ | 57 | 1968 | Lugano Olympiad qual-6 | B32 Sicilian |
| 559. W Hook vs W Pietzsch |
| 0-1 | 45 | 1968 | Lugano Olympiad qual-6 | E87 King's Indian, Samisch, Orthodox |
| 560. Ivkov vs W Pietzsch |
| 1-0 | 41 | 1968 | Lugano Olympiad Final-A | A35 English, Symmetrical |
| 561. W Pietzsch vs Filip |
| ½-½ | 27 | 1968 | Lugano Olympiad Final-A | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 562. B Brinck-Claussen vs W Pietzsch |
| 0-1 | 43 | 1968 | Lugano Olympiad Final-A | A77 Benoni, Classical, 9...Re8, 10.Nd2 |
| 563. W Pietzsch vs K Darga |
| ½-½ | 25 | 1968 | Lugano Olympiad Final-A | B43 Sicilian, Kan, 5.Nc3 |
| 564. Suttles vs W Pietzsch |
 | 1-0 | 36 | 1968 | Lugano Olympiad Final-A | A07 King's Indian Attack |
| 565. G Tringov vs W Pietzsch |
| 1-0 | 37 | 1968 | Lugano Olympiad Final-A | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 566. W Pietzsch vs Portisch |
| 0-1 | 26 | 1968 | Lugano Olympiad Final-A | B43 Sicilian, Kan, 5.Nc3 |
| 567. Evans vs W Pietzsch |
| 0-1 | 33 | 1968 | Lugano Olympiad Final-A | E81 King's Indian, Samisch |
| 568. M Boehnisch vs W Pietzsch |
| 0-1 | 30 | 1969 | East German Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 569. W Pietzsch vs A Hennings |
| ½-½ | 33 | 1969 | East German Championship | E83 King's Indian, Samisch |
| 570. W Dietze vs W Pietzsch |
| ½-½ | 22 | 1969 | East German Championship | A16 English |
| 571. W Pietzsch vs R Fuchs |
| ½-½ | 23 | 1969 | East German Championship | A22 English |
| 572. H Packroff vs W Pietzsch |
| 0-1 | 28 | 1969 | East German Championship | B80 Sicilian, Scheveningen |
| 573. W Pietzsch vs L Espig |
| ½-½ | 45 | 1969 | East German Championship | A06 Reti Opening |
| 574. G Moehring vs W Pietzsch |
| 1-0 | 40 | 1969 | East German Championship | C02 French, Advance |
| 575. W Pietzsch vs D Neukirch |
| ½-½ | 20 | 1969 | East German Championship | A22 English |
Kibitzing
