Ferdinand Maack
German chess variant inventor (1861–1930)

Ferdinand Maack (1861–1930) was a German doctor, inventor and occultist. He invented Raumschach, the classic 3D chess game, first described by him in the Frankfurter Zeitung in 1907. He promoted the game with demonstrations, articles, specialist magazines and several books. He founded the Hamburg Raumschach Club in 1919, which remained active until World War II.
Writings
Die Weisheit von der Welt-Kraft. Eine Dynamosophie. Mit einem Vorwort über die Röntgen-Strahlen. Otto Weber, Leipzig 1897
Polarchemiatrie. Ein Beitrag zur Einigung alter und neuer Heilkunst. Altmann, Leipzig 1905
Die goldene Kette Homers. Lorch 1905; Graz 2005
Das Schachraumspiel.
Begin with the source’s own compact description: “Ferdinand Maack” is german chess variant inventor (1861–1930). The dossier treats that line as a proposition to test through Ferdinand, Maack and German, not as a finished interpretation.
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Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Apr 9, 2026. The linked authority identifier is Q97823. VIAF identifies the subject as 22898352. The Library of Congress control number is no98111310. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1861, 1930, 1907 and 1919.
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This entry incorporates text from “Ferdinand Maack” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.