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Immortal Zugzwang Game

chess game between Friedrich Sämisch and Aron Nimzowitsch, played in Copenhagen in March 1923, with a zugzwang in the middlegame, after which White resigned

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 23, 2026
Entity authorityQ390615 ↗
Source-derived summary

The Immortal Zugzwang Game is a chess game between Friedrich Sämisch and Aron Nimzowitsch, played in Copenhagen in March 1923. It gained its name because the final position is sometimes considered a rare instance of zugzwang occurring in the middlegame. According to Nimzowitsch, writing in the Wiener Schachzeitung in 1925, this term originated in "Danish chess circles".

The game (notes by Nimzowitsch)

White: Friedrich Sämisch Black: Aron Nimzowitsch Opening: Queen's Indian Defense (ECO E17)

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7

Queen's Indian Defense.

6.

Editorial summary

“Immortal Zugzwang Game” enters the record as chess game between Friedrich Sämisch and Aron Nimzowitsch, played in Copenhagen in March 1923, with a zugzwang in the middlegame, after which White resigned. Crown Archives preserves that source wording while asking what Immortal, Zugzwang and Game can confirm, complicate or overturn.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1923, 1925—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Immortal, Zugzwang and Game.
Editorial analysis

Why this record matters

“Immortal Zugzwang Game” is worth following because a concise public description often conceals a longer documentary argument. Here, Immortal, Zugzwang and Game provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 23, 2026. The linked authority identifier is Q390615. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1923 and 1925.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from “Immortal Zugzwang Game” 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.