Dennis Ruijgrok

Dutch chess player

Person human Q2022086

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Dennis Ruijgrok

Summary

Dennis Ruijgrok is a human^[1]. He was born on +1985-05-20T00:00:00Z^[2]. He worked as a chess player^[3].

Key Facts

Dennis Ruijgrok was born on +1985-05-20T00:00:00Z^[2].
Dennis Ruijgrok held citizenship in Kingdom of the Netherlands^[4].
Dennis Ruijgrok worked as a chess player^[3].
Dennis Ruijgrok is recorded as male^[5].
Dennis Ruijgrok's instance of is recorded as human^[6].
Dennis Ruijgrok's sport is recorded as chess^[7].
Dennis Ruijgrok's family name is recorded as Ruijgrok^[8].
Dennis Ruijgrok's given name is recorded as Dennis^[9].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2216'}^[10].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2216'}^[11].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2255'}^[12].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2255'}^[13].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2234'}^[14].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2234'}^[15].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2249'}^[16].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2259'}^[17].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2259'}^[18].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2259'}^[19].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2268'}^[20].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2278'}^[21].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2278'}^[22].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2327'}^[23].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2341'}^[24].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[25].
Dennis Ruijgrok's Elo rating is recorded as {'unit': '1', 'amount': '+2329'}^[26].

Body

Origins and Family

Dennis Ruijgrok was born on +1985-05-20T00:00:00Z^[2].

Career and Affiliations

Dennis Ruijgrok's professions included chess player^[3].

FAQs

What did Dennis Ruijgrok do for work?

Dennis Ruijgrok worked as chess player^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender male

Date of birth May 20, 1985

Country of citizenship Kingdom of the Netherlands

Occupation chess player

Properties

Country for sport Netherlands

Elo rating unit: 1, amount: +2216, unit: 1, amount: +2216, unit: 1, amount: +2255, unit: 1, amount: +2255, unit: 1, amount: +2234, unit: 1, amount: +2234, unit: 1, amount: +2249, unit: 1, amount: +2259, unit: 1, amount: +2259, unit: 1, amount: +2259, unit: 1, amount: +2268, unit: 1, amount: +2278, unit: 1, amount: +2278, unit: 1, amount: +2327, unit: 1, amount: +2341, unit: 1, amount: +2330, unit: 1, amount: +2329, unit: 1, amount: +2291, unit: 1, amount: +2275, unit: 1, amount: +2275, unit: 1, amount: +2267, unit: 1, amount: +2263, unit: 1, amount: +2309, unit: 1, amount: +2309, unit: 1, amount: +2302, unit: 1, amount: +2300, unit: 1, amount: +2296, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2266, unit: 1, amount: +2266, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2269, unit: 1, amount: +2277, unit: 1, amount: +2280, unit: 1, amount: +2280, unit: 1, amount: +2280, unit: 1, amount: +2280, unit: 1, amount: +2272, unit: 1, amount: +2274, unit: 1, amount: +2263, unit: 1, amount: +2265, unit: 1, amount: +2265, unit: 1, amount: +2272, unit: 1, amount: +2279, unit: 1, amount: +2279, unit: 1, amount: +2279, unit: 1, amount: +2279, unit: 1, amount: +2279, unit: 1, amount: +2279, unit: 1, amount: +2282, unit: 1, amount: +2282, unit: 1, amount: +2286, unit: 1, amount: +2290, unit: 1, amount: +2287, unit: 1, amount: +2291, unit: 1, amount: +2283, unit: 1, amount: +2291, unit: 1, amount: +2282, unit: 1, amount: +2282, unit: 1, amount: +2282, unit: 1, amount: +2282, unit: 1, amount: +2291, unit: 1, amount: +2291, unit: 1, amount: +2296, unit: 1, amount: +2302, unit: 1, amount: +2302, unit: 1, amount: +2303, unit: 1, amount: +2287, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2288, unit: 1, amount: +2287, unit: 1, amount: +2276, unit: 1, amount: +2271, unit: 1, amount: +2268, unit: 1, amount: +2278, unit: 1, amount: +2274, unit: 1, amount: +2274, unit: 1, amount: +2274, unit: 1, amount: +2274, unit: 1, amount: +2274, unit: 1, amount: +2269, unit: 1, amount: +2278, unit: 1, amount: +2280, unit: 1, amount: +2285, unit: 1, amount: +2285, unit: 1, amount: +2280, unit: 1, amount: +2273, unit: 1, amount: +2282, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2263, unit: 1, amount: +2263, unit: 1, amount: +2263, unit: 1, amount: +2273, unit: 1, amount: +2273, unit: 1, amount: +2285, unit: 1, amount: +2285, unit: 1, amount: +2285, unit: 1, amount: +2285, unit: 1, amount: +2285, unit: 1, amount: +2279, unit: 1, amount: +2271, unit: 1, amount: +2291, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2296, unit: 1, amount: +2292, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2281, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2298, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2293, unit: 1, amount: +2305, unit: 1, amount: +2302, unit: 1, amount: +2313, unit: 1, amount: +2320, unit: 1, amount: +2329, unit: 1, amount: +2324, unit: 1, amount: +2319, unit: 1, amount: +2316, unit: 1, amount: +2318, unit: 1, amount: +2323, unit: 1, amount: +2321, unit: 1, amount: +2323, unit: 1, amount: +2331, unit: 1, amount: +2326, unit: 1, amount: +2318, unit: 1, amount: +2316, unit: 1, amount: +2316, unit: 1, amount: +2316, unit: 1, amount: +2313, unit: 1, amount: +2310

Family name Ruijgrok

Given name Dennis

Imported from wholeness_audit_2026-05-02

Sport chess

Title of chess person FIDE Master

External References (6)

365chess.com player id Dennis_Ruijgrok

Chess.com player id dennis-ruijgrok

Chessgames.com player id 75299

Chesstempo.com player id 181789

Fide player id 1011499

Google knowledge graph id /g/121srdtt

🏷️ Also known as

en Dennis Ruijgrok ru Деннис Руйгрок

References

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

Direct Wikidata claims

[5] ↑ Dennis Ruijgrok — sex or gender (P21): male. wikidata.org.
[4] ↑ Dennis Ruijgrok — country of citizenship (P27): Kingdom of the Netherlands. wikidata.org.
[6] ↑ Dennis Ruijgrok — instance of (P31): human. wikidata.org.
[3] ↑ Dennis Ruijgrok — occupation (P106): chess player. wikidata.org.
[2] ↑ Dennis Ruijgrok — date of birth (P569): +1985-05-20T00:00:00Z. wikidata.org.
[7] ↑ Dennis Ruijgrok — sport (P641): chess. wikidata.org.
[8] ↑ Dennis Ruijgrok — family name (P734): Ruijgrok. wikidata.org.
[9] ↑ Dennis Ruijgrok — given name (P735): Dennis. wikidata.org.
[10] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2216'}. FIDE Standard Ratings as of 31 January 2004. wikidata.org.
[11] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2216'}. FIDE Standard Ratings as of 30 April 2004. wikidata.org.
[12] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2255'}. FIDE Standard Ratings as of 31 July 2004. wikidata.org.
[13] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2255'}. FIDE Standard Ratings as of 31 October 2004. wikidata.org.
[14] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2234'}. FIDE Standard Ratings as of 31 January 2005. wikidata.org.
[15] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2234'}. FIDE Standard Ratings as of 30 April 2005. wikidata.org.
[16] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2249'}. FIDE Standard Ratings as of 28 February 2013. wikidata.org.
[17] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2259'}. FIDE Standard Ratings as of 31 October 2005. wikidata.org.
[18] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2259'}. FIDE Standard Ratings as of 31 January 2006. wikidata.org.
[19] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2259'}. FIDE Standard Ratings as of 30 April 2006. wikidata.org.
[20] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2268'}. FIDE Standard Ratings as of 31 July 2006. wikidata.org.
[21] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2278'}. FIDE Standard Ratings as of 31 October 2006. wikidata.org.
[22] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2278'}. FIDE Standard Ratings as of 31 January 2007. wikidata.org.
[23] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2327'}. FIDE Standard Ratings as of 30 April 2007. wikidata.org.
[24] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2341'}. FIDE Standard Ratings as of 31 July 2007. wikidata.org.
[25] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. FIDE Standard Ratings as of 31 October 2007. wikidata.org.
[26] ↑ Dennis Ruijgrok — Elo rating (P1087): {'unit': '1', 'amount': '+2329'}. FIDE Standard Ratings as of 31 January 2008. wikidata.org.

Class ancestry

[1] ↑ Dennis Ruijgrok 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). Dennis Ruijgrok. Retrieved May 3, 2026, from https://4ort.xyz/entity/dennis-ruijgrok

MLA “Dennis Ruijgrok.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/dennis-ruijgrok.

BibTeX

@misc{4ortxyz_dennis-ruijgrok_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Dennis Ruijgrok}}, year = {2026}, url = {https://4ort.xyz/entity/dennis-ruijgrok}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Dennis Ruijgrok — https://4ort.xyz/entity/dennis-ruijgrok (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/dennis-ruijgrok · Last refreshed: May 3, 2026