Ruy Lopez, Bird's Defence

chess opening 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4
Thing chess_opening Q865027
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Ruy Lopez, Bird's Defence

Summary

Ruy Lopez, Bird's Defence is a chess opening[1]. It is known by 7 alternative names across languages and contexts.[2]

Key Facts

  • Ruy Lopez, Bird's Defence is credited with the discovery of Paul Rudolf von Bilguer[3].
  • Ruy Lopez, Bird's Defence's instance of is recorded as chess opening[4].
  • Henry Bird is named after Ruy Lopez, Bird's Defence[5].
  • Ruy Lopez, Bird's Defence's subclass of is recorded as Ruy Lopez[6].
  • Ruy Lopez, Bird's Defence's time of discovery or invention is recorded as +1843-00-00T00:00:00Z[7].
  • Ruy Lopez, Bird's Defence's Google Knowledge Graph ID is recorded as /g/123727ls[8].
  • Ruy Lopez, Bird's Defence's Google Knowledge Graph ID is recorded as /g/122xwblz[9].
  • Ruy Lopez, Bird's Defence's Portable Game Notation is recorded as e4 e5[10].
  • Ruy Lopez, Bird's Defence's Portable Game Notation is recorded as Nf3 Nc6[11].
  • Ruy Lopez, Bird's Defence's Portable Game Notation is recorded as Bb5 Nd4[12].
  • Ruy Lopez, Bird's Defence's position in Forsyth-Edwards Notation is recorded as r1bqkbnr/pppp1ppp/8/1B2p3/3nP3/5N2/PPPP1PPP/RNBQK2R w KQkq[13].
  • Ruy Lopez, Bird's Defence's ECO code is recorded as C61[14].

Body

Works and Contributions

Ruy Lopez, Bird's Defence is credited with the discovery of Paul Rudolf von Bilguer[3].

Why It Matters

Ruy Lopez, Bird's Defence is known by 7 alternative names across languages and contexts.[2]

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

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . 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). Ruy Lopez, Bird's Defence. Retrieved May 3, 2026, from https://4ort.xyz/entity/ruy-lopez-bird-s-defence
MLA “Ruy Lopez, Bird's Defence.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ruy-lopez-bird-s-defence.
BibTeX @misc{4ortxyz_ruy-lopez-bird-s-defence_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ruy Lopez, Bird's Defence}}, year = {2026}, url = {https://4ort.xyz/entity/ruy-lopez-bird-s-defence}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ruy Lopez, Bird's Defence — https://4ort.xyz/entity/ruy-lopez-bird-s-defence (retrieved 2026-05-03)

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