| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 426. F Henneberke vs H Mueller |
| 1-0 | 58 | 1964 | Hoogovens-B | D32 Queen's Gambit Declined, Tarrasch |
| 427. H Mueller vs P Smederevac |
| ½-½ | 34 | 1964 | Hoogovens-B | A80 Dutch |
| 428. H Mueller vs G Kieninger |
| ½-½ | 40 | 1965 | Hoogovens-B | B13 Caro-Kann, Exchange |
| 429. H Mueller vs H Crabbendam |
| 1-0 | 41 | 1965 | Hoogovens-B | A15 English |
| 430. H Kramer vs H Mueller |
| ½-½ | 18 | 1965 | Hoogovens-B | B14 Caro-Kann, Panov-Botvinnik Attack |
| 431. J Piket vs H Mueller |
| ½-½ | 26 | 1965 | Hoogovens-B | E26 Nimzo-Indian, Samisch |
| 432. H Mueller vs D van Geet |
| 0-1 | 37 | 1965 | Hoogovens-B | A36 English |
| 433. P de Rooi vs H Mueller |
| 0-1 | 57 | 1965 | Hoogovens-B | B06 Robatsch |
| 434. H Mueller vs J Flesch |
| ½-½ | 70 | 1965 | Hoogovens-B | A48 King's Indian |
| 435. Balashov vs H Mueller |
| 1-0 | 35 | 1965 | Hoogovens-B | E30 Nimzo-Indian, Leningrad |
| 436. H Mueller vs A Giustolisi |
| 0-1 | 79 | 1965 | Hoogovens-B | A24 English, Bremen System with ...g6 |
| 437. E Gereben vs H Mueller |
| 1-0 | 17 | 1965 | Hoogovens-B | B06 Robatsch |
| 438. H Mueller vs N Karaklajic |
| 0-1 | 76 | 1965 | Hoogovens-B | D02 Queen's Pawn Game |
| 439. R Hartoch vs H Mueller |
| ½-½ | 22 | 1966 | Amsterdam IBM-B | A07 King's Indian Attack |
| 440. H Mueller vs E Scholl |
| 0-1 | 32 | 1966 | Amsterdam IBM-B | A15 English |
| 441. J Enevoldsen vs H Mueller |
| 1-0 | 41 | 1966 | Amsterdam IBM-B | B13 Caro-Kann, Exchange |
| 442. H Mueller vs P Bakker |
| 0-1 | 27 | 1966 | Amsterdam IBM-B | A15 English |
| 443. L Kerkhoff vs H Mueller |
| 1-0 | 26 | 1966 | Amsterdam IBM-B | A04 Reti Opening |
| 444. T Ghitescu vs H Mueller |
| 1-0 | 23 | 1966 | Amsterdam IBM-B | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 445. H Mueller vs P Ostojic |
| ½-½ | 45 | 1966 | Amsterdam IBM-B | A48 King's Indian |
| 446. A Dueckstein vs H Mueller |
| 1-0 | 21 | 1966 | Amsterdam IBM-B | B18 Caro-Kann, Classical |
| 447. H Mueller vs A Konstantinopolsky |
| 0-1 | 43 | 1966 | Amsterdam IBM-B | E15 Queen's Indian |
| 448. Euwe vs H Mueller |
| 1-0 | 35 | 1969 | Reti Memorial | E32 Nimzo-Indian, Classical |
Kibitzing
