Overview
Genre
| 3# | 13 | Overview | Omit | Problems |
| 2# | 5 | Overview | Omit | Problems |
| Retro | 2 | Overview | Omit | Problems |
| s# | 1 | Overview | Omit | Problems |
| Studies | 1 | Overview | Omit | Problems |
| Fairies | 1 | Overview | Omit | Problems |
| h# | 1 | Overview | Omit | Problems |
| Mathematics | 1 | Overview | Omit | Problems |
Authors
| Petrovic, Nenad | 23 | Overview | Omit | Problems |
| Littlewood, Norman | 1 | Overview | Omit | Problems |
| Jörgensen, Walther | 1 | Overview | Omit | Problems |
| Issler, Werner | 1 | Overview | Omit | Problems |
| Volkmann, Albert | 1 | Overview | Omit | Problems |
| Smit, Geert | 1 | Overview | Omit | Problems |
| Bartolovic, Vojko | 1 | Overview | Omit | Problems |
| Kaul, Karl | 1 | Overview | Omit | Problems |
Sources
| Problem | 6 | Overview | Omit | Problems |
| Die Schwalbe | 5 | Overview | Omit | Problems |
| FIDE Album 1945-1955 | 5 | Overview | Omit | Problems |
| The Problemist | 3 | Overview | Omit | Problems |
| Problemista | 2 | Overview | Omit | Problems |
| Encyclopedia of Chess Problems | 2 | Overview | Omit | Problems |
| De Maasbode | 2 | Overview | Omit | Problems |
| Deutsche Schachzeitung | 1 | Overview | Omit | Problems |
| FEENSCHACH. | 1 | Overview | Omit | Problems |
| ? | 1 | Overview | Omit | Problems |
| 2. Internationaler Mannschaftswettkampf | 1 | Overview | Omit | Problems |
| American Chess Bulletin | 1 | Overview | Omit | Problems |
| Beispiele zur Ideengeschichte des Schachproblems | 1 | Overview | Omit | Problems |
| Chess Life | 1 | Overview | Omit | Problems |
| FIDE Album 1956-1958 | 1 | Overview | Omit | Problems |
| FIDE Album 1962-1964 | 1 | Overview | Omit | Problems |
| Ligue d'Alsace des Echecs | 1 | Overview | Omit | Problems |
| Mat Plus | 1 | Overview | Omit | Problems |
| Matematika Na Shahmatnoi Doske | 1 | Overview | Omit | Problems |
| Mitteilungsblatt der Kieler SG | 1 | Overview | Omit | Problems |
| Neues Österreich | 1 | Overview | Omit | Problems |
| Olympia-Turnier | 1 | Overview | Omit | Problems |
| Problemschach [Sidler] | 1 | Overview | Omit | Problems |
| Sahovski glasnik | 1 | Overview | Omit | Problems |
| Sahovski vjesnik | 1 | Overview | Omit | Problems |
| Schach ohne Partner [Grasemann] | 1 | Overview | Omit | Problems |
| Schach und Mathematik [Gik] | 1 | Overview | Omit | Problems |
| Schach-Echo | 1 | Overview | Omit | Problems |
| Schachmaty i matematika | 1 | Overview | Omit | Problems |
| Stella Polaris | 1 | Overview | Omit | Problems |
| The Hindu | 1 | Overview | Omit | Problems |
| Problemas | 1 | Overview | Omit | Problems |
Keywords
| Sammlung Brian Stephenson | 10 | Overview | Omit | Problems |
| Miniaturensammlung | 4 | Overview | Omit | Problems |
| Miniatur | 3 | Overview | Omit | Problems |
| Unterverwandlung | 2 | Overview | Omit | Problems |
| Unterverwandlung im Schlüsselzug | 2 | Overview | Omit | Problems |
| Albino | 2 | Overview | Omit | Problems |
| Rex solus | 2 | Overview | Omit | Problems |
| Rochade | 2 | Overview | Omit | Problems |
| 50-Züge-Regel | 1 | Overview | Omit | Problems |
| a posteriori (AP) | 1 | Overview | Omit | Problems |
| Schachschlüssel | 1 | Overview | Omit | Problems |
| Stufenbahnung | 1 | Overview | Omit | Problems |
| Umwandlung | 1 | Overview | Omit | Problems |
| Umwandlungsschlüssel | 1 | Overview | Omit | Problems |
| Uneindeutige Beweispartie | 1 | Overview | Omit | Problems |
| Aristokrat | 1 | Overview | Omit | Problems |
| En passant | 1 | Overview | Omit | Problems |
| En passant als Schlüssel | 1 | Overview | Omit | Problems |
| kein 8x8-Brett | 1 | Overview | Omit | Problems |
| Längste Beweispartie | 1 | Overview | Omit | Problems |
| Linienverstellung | 1 | Overview | Omit | Problems |
| Pattvermeidung | 1 | Overview | Omit | Problems |
| Pickaninny | 1 | Overview | Omit | Problems |
| Projektives Schach | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 12 | Overview | Omit | Problems |
| C+ | 11 | Overview | Omit | Problems |
Cooked
| not cooked | 23 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+NOT+K%3D%27Bivalve%27+AND+A%3D%27Petrovic%2C+Nenad%27