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Open Defence to the Ruy Lopez

chess opening, variation of the Ruy Lopez: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4
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Open Defence to the Ruy Lopez

Summary

Open Defence to the Ruy Lopez is a chess opening[1]. It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Open Defence to the Ruy Lopez's instance of is recorded as chess opening[3].
  • Open Defence to the Ruy Lopez's subclass of is recorded as Morphy Defence[4].
  • Open Defence to the Ruy Lopez's part of is recorded as chess terminology[5].
  • Open Defence to the Ruy Lopez's has part is recorded as castling on the kingside[6].
  • Open Defence to the Ruy Lopez's sport is recorded as chess[7].
  • Open Defence to the Ruy Lopez's Google Knowledge Graph ID is recorded as /g/121_4hg2[8].
  • Open Defence to the Ruy Lopez's Portable Game Notation is recorded as e4 e5[9].
  • Open Defence to the Ruy Lopez's Portable Game Notation is recorded as Nf3 Nc6[10].
  • Open Defence to the Ruy Lopez's Portable Game Notation is recorded as Bb5 a6[11].
  • Open Defence to the Ruy Lopez's Portable Game Notation is recorded as Ba4 Nf6[12].
  • Open Defence to the Ruy Lopez's Portable Game Notation is recorded as O-O Nxe4[13].
  • Open Defence to the Ruy Lopez's ECO code is recorded as C80–C83[14].

Why It Matters

Open Defence to the Ruy Lopez has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] It is known by 3 alternative names across languages and contexts.[15]

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.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [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). Open Defence to the Ruy Lopez. Retrieved May 3, 2026, from https://4ort.xyz/entity/open-defence-to-the-ruy-lopez
MLA “Open Defence to the Ruy Lopez.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/open-defence-to-the-ruy-lopez.
BibTeX @misc{4ortxyz_open-defence-to-the-ruy-lopez_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Open Defence to the Ruy Lopez}}, year = {2026}, url = {https://4ort.xyz/entity/open-defence-to-the-ruy-lopez}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Open Defence to the Ruy Lopez — https://4ort.xyz/entity/open-defence-to-the-ruy-lopez (retrieved 2026-05-03)

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