Niels Ondersteijn

chess player

Person human Q27529049

Press Enter · cited answer in seconds

Niels Ondersteijn

Summary

Niels Ondersteijn is a human^[1]. He was born on +1984-11-11T00:00:00Z^[2]. He worked as a chess player^[3].

Key Facts

Niels Ondersteijn was born on +1984-11-11T00:00:00Z^[2].
Niels Ondersteijn worked as a chess player^[3].
Niels Ondersteijn is recorded as male^[4].
Niels Ondersteijn's instance of is recorded as human^[5].
Niels Ondersteijn's sport is recorded as chess^[6].
Niels Ondersteijn's given name is recorded as Niels^[7].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2194'}^[8].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2194'}^[9].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2227'}^[10].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2227'}^[11].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2227'}^[12].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2227'}^[13].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2302'}^[14].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2300'}^[15].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2300'}^[16].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2298'}^[17].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2278'}^[18].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2289'}^[19].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2289'}^[20].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2289'}^[21].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2288'}^[22].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2288'}^[23].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2268'}^[24].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2272'}^[25].
Niels Ondersteijn's Elo rating is recorded as {'unit': '1', 'amount': '+2272'}^[26].

Body

Origins and Family

Niels Ondersteijn was born on +1984-11-11T00:00:00Z^[2].

Career and Affiliations

Niels Ondersteijn's professions included chess player^[3].

FAQs

What did Niels Ondersteijn do for work?

Niels Ondersteijn worked as chess player^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender male

Date of birth November 11, 1984

Occupation chess player

Properties

Country for sport Netherlands

Elo rating unit: 1, amount: +2194, unit: 1, amount: +2194, unit: 1, amount: +2227, unit: 1, amount: +2227, unit: 1, amount: +2227, unit: 1, amount: +2227, unit: 1, amount: +2302, unit: 1, amount: +2300, unit: 1, amount: +2300, unit: 1, amount: +2298, unit: 1, amount: +2278, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2288, unit: 1, amount: +2288, unit: 1, amount: +2268, unit: 1, amount: +2272, unit: 1, amount: +2272, unit: 1, amount: +2272, unit: 1, amount: +2277, unit: 1, amount: +2276, unit: 1, amount: +2254, unit: 1, amount: +2254, unit: 1, amount: +2269, unit: 1, amount: +2274, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2289, unit: 1, amount: +2284, unit: 1, amount: +2277, unit: 1, amount: +2276, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2253, unit: 1, amount: +2250, unit: 1, amount: +2265, unit: 1, amount: +2292, unit: 1, amount: +2296, unit: 1, amount: +2296, unit: 1, amount: +2296, unit: 1, amount: +2300, unit: 1, amount: +2312, unit: 1, amount: +2322, unit: 1, amount: +2322, unit: 1, amount: +2322, unit: 1, amount: +2322, unit: 1, amount: +2314, unit: 1, amount: +2313, unit: 1, amount: +2315, unit: 1, amount: +2309, unit: 1, amount: +2309, unit: 1, amount: +2315, unit: 1, amount: +2315, unit: 1, amount: +2314, unit: 1, amount: +2314, unit: 1, amount: +2314, unit: 1, amount: +2314, unit: 1, amount: +2314, unit: 1, amount: +2312, unit: 1, amount: +2312, unit: 1, amount: +2306, unit: 1, amount: +2309, unit: 1, amount: +2308, unit: 1, amount: +2311, unit: 1, amount: +2318, unit: 1, amount: +2324, unit: 1, amount: +2324, unit: 1, amount: +2324, unit: 1, amount: +2324, unit: 1, amount: +2324, unit: 1, amount: +2329, unit: 1, amount: +2329, unit: 1, amount: +2352, unit: 1, amount: +2363, unit: 1, amount: +2363, unit: 1, amount: +2349, unit: 1, amount: +2357, unit: 1, amount: +2415, unit: 1, amount: +2415, unit: 1, amount: +2415, unit: 1, amount: +2415, unit: 1, amount: +2415, unit: 1, amount: +2415, unit: 1, amount: +2397, unit: 1, amount: +2394, unit: 1, amount: +2395, unit: 1, amount: +2399, unit: 1, amount: +2398, unit: 1, amount: +2388, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2388, unit: 1, amount: +2378, unit: 1, amount: +2378, unit: 1, amount: +2378, unit: 1, amount: +2372, unit: 1, amount: +2367, unit: 1, amount: +2375, unit: 1, amount: +2379, unit: 1, amount: +2379, unit: 1, amount: +2379, unit: 1, amount: +2379, unit: 1, amount: +2380, unit: 1, amount: +2380, unit: 1, amount: +2370, unit: 1, amount: +2370, unit: 1, amount: +2371, unit: 1, amount: +2376, unit: 1, amount: +2376, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2391, unit: 1, amount: +2388, unit: 1, amount: +2386, unit: 1, amount: +2386, unit: 1, amount: +2388, unit: 1, amount: +2388, unit: 1, amount: +2390, unit: 1, amount: +2390, unit: 1, amount: +2395, unit: 1, amount: +2397, unit: 1, amount: +2397, unit: 1, amount: +2397, unit: 1, amount: +2390, unit: 1, amount: +2386, unit: 1, amount: +2386, unit: 1, amount: +2387, unit: 1, amount: +2389, unit: 1, amount: +2389, unit: 1, amount: +2370, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2372, unit: 1, amount: +2376, unit: 1, amount: +2365, unit: 1, amount: +2367, unit: 1, amount: +2368, unit: 1, amount: +2364, unit: 1, amount: +2369, unit: 1, amount: +2372, unit: 1, amount: +2376, unit: 1, amount: +2379, unit: 1, amount: +2382, unit: 1, amount: +2387, unit: 1, amount: +2390, unit: 1, amount: +2378, unit: 1, amount: +2375, unit: 1, amount: +2378, unit: 1, amount: +2370, unit: 1, amount: +2366, unit: 1, amount: +2364, unit: 1, amount: +2359, unit: 1, amount: +2367, unit: 1, amount: +2371, unit: 1, amount: +2367, unit: 1, amount: +2347, unit: 1, amount: +2352, unit: 1, amount: +2357, unit: 1, amount: +2371, unit: 1, amount: +2370

Given name Niels

Imported from wholeness_audit_2026-05-02

Sport chess

Title of chess person FIDE Master, International Master

External References (7)

365chess.com player id Niels_Ondersteijn

Chess.com member id PK_Niels

Chess.com player id niels-ondersteijn

Chessgames.com player id 106176

Chesstempo.com player id 153305

Fide player id 1011162

Lichess username Nondrovski

🏷️ Also known as

en Niels Ondersteijn ru Нильс Ондерстейн

References

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

Direct Wikidata claims

[4] ↑ Niels Ondersteijn — sex or gender (P21): male. ratings.fide.com. wikidata.org.
[5] ↑ Niels Ondersteijn — instance of (P31): human. ratings.fide.com. wikidata.org.
[3] ↑ Niels Ondersteijn — occupation (P106): chess player. ratings.fide.com. Retrieved 2022-04-20. wikidata.org.
[2] ↑ Niels Ondersteijn — date of birth (P569): +1984-11-11T00:00:00Z. chessgames.com. wikidata.org.
[6] ↑ Niels Ondersteijn — sport (P641): chess. ratings.fide.com. wikidata.org.
[7] ↑ Niels Ondersteijn — given name (P735): Niels. wikidata.org.
[8] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2194'}. FIDE Standard Ratings as of 31 January 2003. wikidata.org.
[9] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2194'}. FIDE Standard Ratings as of 30 April 2003. wikidata.org.
[10] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2227'}. FIDE Standard Ratings as of 31 July 2003. wikidata.org.
[11] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2227'}. FIDE Standard Ratings as of 31 October 2003. wikidata.org.
[12] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2227'}. FIDE Standard Ratings as of 31 January 2004. wikidata.org.
[13] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2227'}. FIDE Standard Ratings as of 30 April 2004. wikidata.org.
[14] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2302'}. FIDE Standard Ratings as of 31 July 2004. wikidata.org.
[15] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2300'}. FIDE Standard Ratings as of 31 October 2004. wikidata.org.
[16] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2300'}. FIDE Standard Ratings as of 31 January 2005. wikidata.org.
[17] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2298'}. FIDE Standard Ratings as of 30 April 2005. wikidata.org.
[18] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2278'}. FIDE Standard Ratings as of 28 February 2013. wikidata.org.
[19] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2289'}. FIDE Standard Ratings as of 31 October 2005. wikidata.org.
[20] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2289'}. FIDE Standard Ratings as of 31 January 2006. wikidata.org.
[21] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2289'}. FIDE Standard Ratings as of 30 April 2006. wikidata.org.
[22] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2288'}. FIDE Standard Ratings as of 31 July 2006. wikidata.org.
[23] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2288'}. FIDE Standard Ratings as of 31 October 2006. wikidata.org.
[24] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2268'}. FIDE Standard Ratings as of 31 January 2007. wikidata.org.
[25] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2272'}. FIDE Standard Ratings as of 30 April 2007. wikidata.org.
[26] ↑ Niels Ondersteijn — Elo rating (P1087): {'unit': '1', 'amount': '+2272'}. FIDE Standard Ratings as of 31 July 2007. wikidata.org.

Class ancestry

[1] ↑ Niels Ondersteijn 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). Niels Ondersteijn. Retrieved May 3, 2026, from https://4ort.xyz/entity/niels-ondersteijn

MLA “Niels Ondersteijn.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/niels-ondersteijn.

BibTeX

@misc{4ortxyz_niels-ondersteijn_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Niels Ondersteijn}}, year = {2026}, url = {https://4ort.xyz/entity/niels-ondersteijn}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Niels Ondersteijn — https://4ort.xyz/entity/niels-ondersteijn (retrieved 2026-05-03)

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