Jan Boer

Dutch chess player

Person human Q2704685

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Jan Boer

Summary

Jan Boer is a human^[1]. He was born on +1970-00-00T00:00:00Z^[2]. He worked as a chess player^[3].

Key Facts

Jan Boer was born on +1970-00-00T00:00:00Z^[2].
Jan Boer held citizenship in Kingdom of the Netherlands^[4].
Jan Boer's professions included chess player^[3].
Jan Boer's image is recorded as Janboer.jpg^[5].
Jan Boer is recorded as male^[6].
Jan Boer's instance of is recorded as human^[7].
Jan Boer's sport is recorded as chess^[8].
Jan Boer's family name is recorded as Boer^[9].
Jan Boer's given name is recorded as Jan^[10].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[11].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[12].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1748'}^[13].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1702'}^[14].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[15].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1748'}^[16].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1715'}^[17].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1704'}^[18].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[19].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[20].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1748'}^[21].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1711'}^[22].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[23].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1714'}^[24].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1748'}^[25].
Jan Boer's Elo rating is recorded as {'unit': '1', 'amount': '+1702'}^[26].

Body

Origins and Family

Jan Boer was born on +1970-00-00T00:00:00Z^[2].

Career and Affiliations

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

FAQs

What did Jan Boer do for work?

Jan Boer worked as chess player^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender male

Date of birth 1970

Country of citizenship Kingdom of the Netherlands

Occupation chess player

Properties

Country for sport Netherlands

Elo rating unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1702, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1715, unit: 1, amount: +1704, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1711, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1702, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1711, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1715, unit: 1, amount: +1704, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1715, unit: 1, amount: +1704, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1702, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1715, unit: 1, amount: +1702, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1711, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1711, unit: 1, amount: +1714, unit: 1, amount: +1714, unit: 1, amount: +1748, unit: 1, amount: +1715, unit: 1, amount: +1704, unit: 1, amount: +1714, unit: 1, amount: +1730, unit: 1, amount: +1729, unit: 1, amount: +1714, unit: 1, amount: +1730, unit: 1, amount: +1729, unit: 1, amount: +1730, unit: 1, amount: +1730, unit: 1, amount: +1731, unit: 1, amount: +1704, unit: 1, amount: +1704, unit: 1, amount: +1704, unit: 1, amount: +1704, unit: 1, amount: +1711, unit: 1, amount: +1711, unit: 1, amount: +1711, unit: 1, amount: +1711, unit: 1, amount: +1688, unit: 1, amount: +1701, unit: 1, amount: +1691, unit: 1, amount: +1711, unit: 1, amount: +1701, unit: 1, amount: +1701, unit: 1, amount: +1691, unit: 1, amount: +1688, unit: 1, amount: +1688, unit: 1, amount: +1696, unit: 1, amount: +1691, unit: 1, amount: +1688, unit: 1, amount: +1701, unit: 1, amount: +1701, unit: 1, amount: +1701, unit: 1, amount: +1701, unit: 1, amount: +1685, unit: 1, amount: +1693, unit: 1, amount: +1703, unit: 1, amount: +1695, unit: 1, amount: +1695, unit: 1, amount: +1680, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1695, unit: 1, amount: +1686, unit: 1, amount: +1695, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1685, unit: 1, amount: +1698, unit: 1, amount: +1695, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1695, unit: 1, amount: +1695, unit: 1, amount: +1685, unit: 1, amount: +1695, unit: 1, amount: +1695, unit: 1, amount: +1703, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1698, unit: 1, amount: +1698

Family name Boer

Given name Jan

Imported from wholeness_audit_2026-05-02

Sport chess

External References (5)

365chess.com player id Jan_Boer

Chessgames.com player id 112388

Chesstempo.com player id 24902

Fide player id 1017241

Google knowledge graph id /g/120lkhb8

🏷️ Also known as

en Jan Boer

References

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

Direct Wikidata claims

[5] ↑ Jan Boer — image (P18): Janboer.jpg. wikidata.org.
[6] ↑ Jan Boer — sex or gender (P21): male. wikidata.org.
[4] ↑ Jan Boer — country of citizenship (P27): Kingdom of the Netherlands. wikidata.org.
[7] ↑ Jan Boer — instance of (P31): human. wikidata.org.
[3] ↑ Jan Boer — occupation (P106): chess player. wikidata.org.
[2] ↑ Jan Boer — date of birth (P569): +1970-00-00T00:00:00Z. chessgames.com. wikidata.org.
[8] ↑ Jan Boer — sport (P641): chess. wikidata.org.
[9] ↑ Jan Boer — family name (P734): Boer. wikidata.org.
[10] ↑ Jan Boer — given name (P735): Jan. wikidata.org.
[11] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[12] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[13] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1748'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[14] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1702'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[15] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[16] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1748'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[17] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1715'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[18] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1704'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[19] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[20] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[21] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1748'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[22] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1711'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[23] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[24] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1714'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[25] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1748'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.
[26] ↑ Jan Boer — Elo rating (P1087): {'unit': '1', 'amount': '+1702'}. ratings.fide.com. Retrieved 2016-09-21. wikidata.org.

Class ancestry

[1] ↑ Jan 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). Jan Boer. Retrieved May 3, 2026, from https://4ort.xyz/entity/jan-boer-q2704685

MLA “Jan Boer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/jan-boer-q2704685.

BibTeX

@misc{4ortxyz_jan-boer-q2704685_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jan Boer}}, year = {2026}, url = {https://4ort.xyz/entity/jan-boer-q2704685}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jan Boer — https://4ort.xyz/entity/jan-boer-q2704685 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/jan-boer-q2704685 · Last refreshed: May 3, 2026