| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Spacek, P | Ptak, P | 0-1 ![]() |
44 | A85 | 1969 | CSR-ch U26 |
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| Boukal, P | Ptak, P | ½-½ ![]() |
24 | B96 | 1969 | CSR-ch U26 |
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| Ptak, P | Gross, S | 0-1 ![]() |
32 | C47 | 1969 | CSR-ch U26 |
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| Votruba, P | Ptak, P | ½-½ ![]() |
21 | A43 | 1969 | CSR-ch U26 |
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| Ptak, P | Babula, M | 1-0 ![]() |
26 | D87 | 1969 | CSR-ch U26 |
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| Ryc, I | Ptak, P | 1-0 ![]() |
30 | D02 | 1969 | CSR-ch U26 |
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| Ptak, P | Hlousek, Z | 0-1 ![]() |
23 | D87 | 1969 | CSR-ch U26 |
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| Privara, I | Ptak, P | 1-0 ![]() |
21 | B96 | 1969 | CSR-ch U26 |
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| Ptak, P | Prandstetter, E | 0-1 ![]() |
41 | C06 | 1969 | CSR-ch U26 |
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| Kubicek, A | Ptak, P | 1-0 ![]() |
41 | C00 | 1969 | CSR-ch U26 |
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| Ptak, P | Neckar, L | 0-1 ![]() |
58 | E59 | 1969 | CSR-ch U26 |
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| Banas, J | Ptak, P | ½-½ ![]() |
16 | C01 | 1969 | CSR-ch U26 |
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| Ptak, P | Modr, B | ½-½ ![]() |
56 | E11 | 1969 | CSR-ch U26 |
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| Novak, I | Ptak, P | 0-1 ![]() |
48 | C15 | 1969 | CSR-ch U26 |
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| Ptak, P | Fencl, | 1-0 ![]() |
36 | B23 | 1969 | CSR-ch U26 |
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| Borik, O | Ptak, P | ½-½ ![]() |
5 | B90 | 1969 | CSR-ch U26 |
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