Petrov's Defence

chess opening, consisting of the moves 1. e4 e5 2. Nf3 Nf6
Thing chess_opening Q326928
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Petrov's Defence

Summary

Petrov's Defence is a chess opening[1]. It draws 711 Wikipedia views per month (chess_opening category, ranking #21 of 129).[2]

Key Facts

  • Petrov's Defence's instance of is recorded as chess opening[3].
  • Alexander Petrov is named after Petrov's Defence[4].
  • Russia is named after Petrov's Defence[5].
  • Petrov's Defence is a type of King's Knight Opening[6].
  • Petrov's Defence is part of chess terminology[7].
  • Petrov's Defence's sport is recorded as chess[8].
  • Petrov's Defence's Stack Exchange tag is recorded as https://chess.stackexchange.com/tags/petroff-defense[9].
  • Petrov's Defence's Portable Game Notation is recorded as e4 e5[10].
  • Petrov's Defence's Portable Game Notation is recorded as Nf3 Nf6[11].

Body

Definition and Type

Petrov's Defence's instance of is recorded as chess opening[3]. It is a type of King's Knight Opening[6].

Origins

Things named after include Alexander Petrov[4], a chess player[12], 1799–1867[13], of Russian Empire[14], awarded the Order of Saint Anna, 1st class[15] and Russia[5], a sovereign state[16], in Russia[17], founded in 1991[18].

Use and Application

Petrov's Defence is part of chess terminology[7].

Why It Matters

Petrov's Defence draws 711 Wikipedia views per month (chess_opening category, ranking #21 of 129).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[19] It is known by 33 alternative names across languages and contexts.[20]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . 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.

Inline context (facts about related entities)

  1. [12] . Wikidata. wikidata.org. → on this site
  2. [13] . Wikidata. wikidata.org. → on this site
  3. [14] . Wikidata. wikidata.org. → on this site
  4. [15] . Wikidata. wikidata.org. → on this site
  5. [16] . Wikidata. wikidata.org. → on this site
  6. [17] . Wikidata. wikidata.org. → on this site
  7. [18] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . 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). Petrov's Defence. Retrieved May 3, 2026, from https://4ort.xyz/entity/petrov-s-defence
MLA “Petrov's Defence.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/petrov-s-defence.
BibTeX @misc{4ortxyz_petrov-s-defence_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Petrov's Defence}}, year = {2026}, url = {https://4ort.xyz/entity/petrov-s-defence}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Petrov's Defence — https://4ort.xyz/entity/petrov-s-defence (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/petrov-s-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. 10d ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Part of
    Instance of
    Subclass of King's Knight Opening
    Named after
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007291694305171, mv to monolingual text names on J9U statements"
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