Overview
Genre
| Retro | 21 | Overview | Omit | Problems |
| Fairies | 2 | Overview | Omit | Problems |
Authors
| Heinonen, Unto | 21 | Overview | Omit | Problems |
| Wicklund, Göran | 1 | Overview | Omit | Problems |
| Saukkola, Juha M. | 1 | Overview | Omit | Problems |
| Walter, Martin | 1 | Overview | Omit | Problems |
| Dupont, Nicolas | 1 | Overview | Omit | Problems |
| Schäfer, Ronald | 1 | Overview | Omit | Problems |
Sources
| feenschach | 6 | Overview | Omit | Problems |
| Probleemblad | 5 | Overview | Omit | Problems |
| Springaren | 5 | Overview | Omit | Problems |
| The Problemist | 3 | Overview | Omit | Problems |
| U.S. Problem Bulletin | 2 | Overview | Omit | Problems |
| StrateGems | 2 | Overview | Omit | Problems |
| Suomen Tehtäväniekat | 2 | Overview | Omit | Problems |
| Die Schwalbe | 2 | Overview | Omit | Problems |
| Retros mailing list | 2 | Overview | Omit | Problems |
| Problemkiste | 1 | Overview | Omit | Problems |
| FIDE Album 1995-1997 | 1 | Overview | Omit | Problems |
| FIDE Album Annexe 1992-1994 | 1 | Overview | Omit | Problems |
| FIDE Album Annexe 1995-1997 | 1 | Overview | Omit | Problems |
| FIDE Album Annexe 1998-2000 | 1 | Overview | Omit | Problems |
| Tehtäväniekka | 1 | Overview | Omit | Problems |
| Tim Krabbé's Website | 1 | Overview | Omit | Problems |
Keywords
| Eindeutige Beweispartie | 13 | Overview | Omit | Problems |
| Figurenwanderungen | 2 | Overview | Omit | Problems |
| Homebase | 2 | Overview | Omit | Problems |
| Nicht-Partiesatzmaterial | 2 | Overview | Omit | Problems |
| Ornament | 2 | Overview | Omit | Problems |
| Rochade | 2 | Overview | Omit | Problems |
| Schlagfrei | 2 | Overview | Omit | Problems |
| Tempoverlust | 2 | Overview | Omit | Problems |
| Zuglängenrekord | 2 | Overview | Omit | Problems |
| Umwandlung | 1 | Overview | Omit | Problems |
| Uneindeutige Beweispartie | 1 | Overview | Omit | Problems |
| Schlagschach | 1 | Overview | Omit | Problems |
| Serienzüger | 1 | Overview | Omit | Problems |
| Rückkehr | 1 | Overview | Omit | Problems |
| Rundlauf | 1 | Overview | Omit | Problems |
| Pendel | 1 | Overview | Omit | Problems |
| Platzwechsel | 1 | Overview | Omit | Problems |
| Pronkin-Thema | 1 | Overview | Omit | Problems |
| Reiner Rundlauf | 1 | Overview | Omit | Problems |
| Hilfsrückzüger | 1 | Overview | Omit | Problems |
| Allumwandlung | 1 | Overview | Omit | Problems |
| bessere Version | 1 | Overview | Omit | Problems |
| Cross-capture | 1 | Overview | Omit | Problems |
Computer tested
| not C+ | 13 | Overview | Omit | Problems |
| C+ | 8 | Overview | Omit | Problems |
Cooked
| not cooked | 16 | Overview | Omit | Problems |
| cooked | 5 | Overview | Omit | Problems |
https://pdb.dieschwalbe.de/overview.jsp?expression=COMMENTDATE%3E%3D20220810+AND+G%3D%27Retro%27+AND+A%3D%27Heinonen%2C+Unto%27