Home › Entities › chess_opening › Polish Defense

Polish Defense

chess opening 1. d4 b5
Thing chess_opening Q501730
Press Enter · cited answer in seconds

Polish Defense

Summary

Polish Defense is a chess opening[1]. It draws 23 Wikipedia views per month (chess_opening category, ranking #85 of 129).[2]

Key Facts

  • Polish Defense is credited with the discovery of Aleksander Wagner[3].
  • Polish Defense's instance of is recorded as chess opening[4].
  • Poland is named after Polish Defense[5].
  • Polish Defense's subclass of is recorded as Semi-Closed Game[6].
  • Polish Defense's subclass of is recorded as chess opening[7].
  • Polish Defense's part of is recorded as chess terminology[8].
  • Polish Defense's time of discovery or invention is recorded as +1913-00-00T00:00:00Z[9].
  • Polish Defense's sport is recorded as chess[10].
  • Polish Defense's Freebase ID is recorded as /m/06__39[11].
  • Polish Defense's Portable Game Notation is recorded as d4 b5[12].
  • Polish Defense's ECO code is recorded as A40[13].

Body

Works and Contributions

Polish Defense is credited with the discovery of Aleksander Wagner[3].

Why It Matters

Polish Defense draws 23 Wikipedia views per month (chess_opening category, ranking #85 of 129).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[14] It is known by 4 alternative names across languages and contexts.[15]

Related Entities

Poland

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . Freebase Data Dumps. wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Polish Defense. Retrieved May 3, 2026, from https://4ort.xyz/entity/polish-defense
MLA “Polish Defense.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/polish-defense.
BibTeX @misc{4ortxyz_polish-defense_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Polish Defense}}, year = {2026}, url = {https://4ort.xyz/entity/polish-defense}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Polish Defense — https://4ort.xyz/entity/polish-defense (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/polish-defense · Last refreshed: