Blackmar–Diemer Gambit

chess opening 1. d4 d5 2. e4
Thing chess_opening Q880889
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Blackmar–Diemer Gambit

Summary

Blackmar–Diemer Gambit is a chess opening[1]. It draws 392 Wikipedia views per month (chess_opening category, ranking #43 of 129).[2]

Key Facts

  • Blackmar–Diemer Gambit's instance of is recorded as chess opening[3].
  • Armand Blackmar is named after Blackmar–Diemer Gambit[4].
  • Emil Josef Diemer is named after Blackmar–Diemer Gambit[5].
  • Blackmar–Diemer Gambit is a type of Queen's Game[6].
  • Blackmar–Diemer Gambit is part of chess terminology[7].
  • Blackmar–Diemer Gambit's sport is recorded as chess[8].
  • Blackmar–Diemer Gambit's short name is recorded as {'lang': 'en', 'text': 'BDG'}[9].
  • Blackmar–Diemer Gambit's Portable Game Notation is recorded as d4 d5[10].
  • Blackmar–Diemer Gambit's Portable Game Notation is recorded as e4 dxe4[11].
  • Blackmar–Diemer Gambit's Portable Game Notation is recorded as Nc3[12].

Body

Definition and Type

Blackmar–Diemer Gambit's instance of is recorded as chess opening[3]. It is a type of Queen's Game[6].

Origins

Things named after include Armand Blackmar[4], a businessperson[13], 1826–1888[14], of United States[15] and Emil Josef Diemer[5], a chess player[16], 1908–1990[17], of Germany[18].

Use and Application

Blackmar–Diemer Gambit is part of chess terminology[7].

Why It Matters

Blackmar–Diemer Gambit draws 392 Wikipedia views per month (chess_opening category, ranking #43 of 129).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[19] It is known by 11 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.
  10. [12] . wikidata.org.

Inline context (facts about related entities)

  1. [13] . Wikidata. wikidata.org. → on this site
  2. [14] . Wikidata. wikidata.org. → on this site
  3. [15] . Wikidata. wikidata.org. → on this site
  4. [16] . Wikidata. wikidata.org. → on this site
  5. [17] . Wikidata. wikidata.org. → on this site
  6. [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). Blackmar–Diemer Gambit. Retrieved May 3, 2026, from https://4ort.xyz/entity/blackmar-diemer-gambit
MLA “Blackmar–Diemer Gambit.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/blackmar-diemer-gambit.
BibTeX @misc{4ortxyz_blackmar-diemer-gambit_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Blackmar–Diemer Gambit}}, year = {2026}, url = {https://4ort.xyz/entity/blackmar-diemer-gambit}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Blackmar–Diemer Gambit — https://4ort.xyz/entity/blackmar-diemer-gambit (retrieved 2026-05-03)

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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 · 2026-05-26 view diff on Wikidata ↗
    Part of
    Sport chess
    Part of chess terminology
    Position in forsyth-edwards notation rnbqkbnr/ppp1pppp/8/3p4/3PP3/8/PPP2PPP/RNBQKBNR b KQkq - 0 2
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|1 */ [[Property:P8189]]: 987007291698705171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.