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Sicilian Defence

chess opening: 1. e4 c5
Thing chess_opening Q188566
Sicilian Defence
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Sicilian Defence

Summary

Sicilian Defence is a chess opening[1]. It ranks in the top 0.78% of chess_opening entities by monthly Wikipedia readership (3,006 views/month, #1 of 129).[2]

Key Facts

  • Sicilian Defence is credited with the discovery of Giulio Cesare Polerio[3].
  • Sicilian Defence's instance of is recorded as chess opening[4].
  • Sicily is named after Sicilian Defence[5].
  • Sicilian Defence is a type of Semi-Open Game[6].
  • Sicilian Defence's time of discovery or invention is recorded as 1594[7].
  • Sicilian Defence's topic's main category is recorded as Category:Sicilian Defence[8].
  • Sicilian Defence's Stack Exchange tag is recorded as https://chess.stackexchange.com/tags/sicilian-defense[9].
  • Sicilian Defence's Portable Game Notation is recorded as e4 c5[10].
  • Sicilian Defence's position in Forsyth-Edwards Notation is recorded as rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2[11].

Body

Definition and Type

Sicilian Defence's instance of is recorded as chess opening[4]. It is a type of Semi-Open Game[6].

Origins

Sicily is named after Sicilian Defence[5].

Why It Matters

Sicilian Defence ranks in the top 0.78% of chess_opening entities by monthly Wikipedia readership (3,006 views/month, #1 of 129).[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[12] It is known by 23 alternative names across languages and contexts.[13]

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] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . 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). Sicilian Defence. Retrieved May 3, 2026, from https://4ort.xyz/entity/sicilian-defence
MLA “Sicilian Defence.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/sicilian-defence.
BibTeX @misc{4ortxyz_sicilian-defence_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sicilian Defence}}, year = {2026}, url = {https://4ort.xyz/entity/sicilian-defence}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Sicilian Defence — https://4ort.xyz/entity/sicilian-defence (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/sicilian-defence · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Instance of → chess opening
    Named after → Sicily
    Discoverer or inventor → Giulio Cesare Polerio
    Named after → —
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007551844305171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.