Gert Jan de Boer

Dutch chess player

Person human Q2788346

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Gert Jan de Boer

Summary

Gert Jan de Boer is a human^[1]. He was born on +1959-12-25T00:00:00Z^[2]. He worked as a chess player^[3].

Key Facts

Gert Jan de Boer was born on +1959-12-25T00:00:00Z^[2].
Gert Jan de Boer held citizenship in Kingdom of the Netherlands^[4].
Gert Jan de Boer worked as a chess player^[3].
Gert Jan de Boer's image is recorded as Gjdeboer.jpg^[5].
Gert Jan de Boer is recorded as male^[6].
Gert Jan de Boer's instance of is recorded as human^[7].
Gert Jan de Boer's Commons category is recorded as Gert Jan de Boer^[8].
Gert Jan de Boer's sport is recorded as chess^[9].
Gert Jan de Boer's family name is recorded as Boer^[10].
Gert Jan de Boer's given name is recorded as Gert^[11].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2270'}^[12].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2255'}^[13].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2265'}^[14].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2245'}^[15].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2235'}^[16].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2275'}^[17].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[18].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2340'}^[19].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2335'}^[20].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2400'}^[21].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2410'}^[22].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2430'}^[23].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2440'}^[24].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2410'}^[25].
Gert Jan de Boer's Elo rating is recorded as {'unit': '1', 'amount': '+2390'}^[26].

Body

Origins and Family

Gert Jan de Boer was born on +1959-12-25T00:00:00Z^[2].

Career and Affiliations

Gert Jan de Boer worked as a chess player^[3].

FAQs

What did Gert Jan de Boer do for work?

Gert Jan de Boer worked as chess player^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender male

Date of birth December 25, 1959

Country of citizenship Kingdom of the Netherlands

Occupation chess player

Properties

Country for sport Netherlands

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Family name Boer

Given name Gert

Imported from wholeness_audit_2026-05-02

Sport chess

Title of chess person International Master

External References (5)

365chess.com player id Gert_Jan_de_Boer

Chess.com player id gert-jan-de-boer

Chesstempo.com player id 46198

Fide player id 1000233

Google knowledge graph id /g/121y501x

🌐 Available in 2 languages

commonsCategory:Gert Jan de Boer nlGert Jan de Boer

🏷️ Also known as

en Gert Jan de Boer en Gert-Jan De Boer

References

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

Direct Wikidata claims

[5] ↑ Gert Jan de Boer — image (P18): Gjdeboer.jpg. wikidata.org.
[6] ↑ Gert Jan de Boer — sex or gender (P21): male. ratings.fide.com. wikidata.org.
[4] ↑ Gert Jan de Boer — country of citizenship (P27): Kingdom of the Netherlands. wikidata.org.
[7] ↑ Gert Jan de Boer — instance of (P31): human. ratings.fide.com. wikidata.org.
[3] ↑ Gert Jan de Boer — occupation (P106): chess player. wikidata.org.
[8] ↑ Gert Jan de Boer — Commons category (P373): Gert Jan de Boer. wikidata.org.
[2] ↑ Gert Jan de Boer — date of birth (P569): +1959-12-25T00:00:00Z. ratings.fide.com. wikidata.org.
[9] ↑ Gert Jan de Boer — sport (P641): chess. ratings.fide.com. wikidata.org.
[10] ↑ Gert Jan de Boer — family name (P734): Boer. wikidata.org.
[11] ↑ Gert Jan de Boer — given name (P735): Gert. wikidata.org.
[12] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2270'}. List of players on FIDE lists 1967-2001. wikidata.org.
[13] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2255'}. List of players on FIDE lists 1967-2001. wikidata.org.
[14] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2265'}. List of players on FIDE lists 1967-2001. wikidata.org.
[15] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2245'}. List of players on FIDE lists 1967-2001. wikidata.org.
[16] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2235'}. List of players on FIDE lists 1967-2001. wikidata.org.
[17] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2275'}. List of players on FIDE lists 1967-2001. wikidata.org.
[18] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.
[19] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2340'}. List of players on FIDE lists 1967-2001. wikidata.org.
[20] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2335'}. List of players on FIDE lists 1967-2001. wikidata.org.
[21] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2400'}. List of players on FIDE lists 1967-2001. wikidata.org.
[22] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2410'}. List of players on FIDE lists 1967-2001. wikidata.org.
[23] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2430'}. List of players on FIDE lists 1967-2001. wikidata.org.
[24] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2440'}. List of players on FIDE lists 1967-2001. wikidata.org.
[25] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2410'}. List of players on FIDE lists 1967-2001. wikidata.org.
[26] ↑ Gert Jan de Boer — Elo rating (P1087): {'unit': '1', 'amount': '+2390'}. List of players on FIDE lists 1967-2001. wikidata.org.

Class ancestry

[1] ↑ Gert Jan de Boer is an instance of human (Q5) [P31, primary]. Wikidata. 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). Gert Jan de Boer. Retrieved May 3, 2026, from https://4ort.xyz/entity/gert-jan-de-boer

MLA “Gert Jan de Boer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gert-jan-de-boer.

BibTeX

@misc{4ortxyz_gert-jan-de-boer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Gert Jan de Boer}}, year = {2026}, url = {https://4ort.xyz/entity/gert-jan-de-boer}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Gert Jan de Boer — https://4ort.xyz/entity/gert-jan-de-boer (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/gert-jan-de-boer · Last refreshed: May 3, 2026