Leon Koster

chess player

Person human Q71309277

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Leon Koster

Summary

Leon Koster is a human^[1]. He was born on +1970-07-10T00:00:00Z^[2]. He worked as a chess player^[3].

Key Facts

Leon Koster was born on +1970-07-10T00:00:00Z^[2].
Leon Koster's professions included chess player^[3].
Leon Koster is recorded as male^[4].
Leon Koster's instance of is recorded as human^[5].
Leon Koster's sport is recorded as chess^[6].
Leon Koster's family name is recorded as Koster^[7].
Leon Koster's given name is recorded as Leon^[8].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2320'}^[9].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2315'}^[10].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2309'}^[11].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2301'}^[12].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2301'}^[13].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[14].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[15].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[16].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[17].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[18].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[19].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[20].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[21].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[22].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[23].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[24].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[25].
Leon Koster's Elo rating is recorded as {'unit': '1', 'amount': '+2217'}^[26].

Body

Origins and Family

Leon Koster was born on +1970-07-10T00:00:00Z^[2].

Career and Affiliations

Leon Koster's professions included chess player^[3].

FAQs

What did Leon Koster do for work?

Leon Koster worked as chess player^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender male

Date of birth July 10, 1970

Occupation chess player

Properties

Country for sport Netherlands

Elo rating unit: 1, amount: +2320, unit: 1, amount: +2315, unit: 1, amount: +2309, unit: 1, amount: +2301, unit: 1, amount: +2301, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2217, unit: 1, amount: +2214, unit: 1, amount: +2236, unit: 1, amount: +2236, unit: 1, amount: +2241, unit: 1, amount: +2256, unit: 1, amount: +2278, unit: 1, amount: +2278, unit: 1, amount: +2279, unit: 1, amount: +2291, unit: 1, amount: +2287, unit: 1, amount: +2287, unit: 1, amount: +2297, unit: 1, amount: +2297, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2299, unit: 1, amount: +2271, unit: 1, amount: +2264, unit: 1, amount: +2266, unit: 1, amount: +2271, unit: 1, amount: +2265, unit: 1, amount: +2271, unit: 1, amount: +2255, unit: 1, amount: +2255, unit: 1, amount: +2255, unit: 1, amount: +2255, unit: 1, amount: +2255, unit: 1, amount: +2261, unit: 1, amount: +2261, unit: 1, amount: +2275, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2271, unit: 1, amount: +2273, unit: 1, amount: +2278, unit: 1, amount: +2273, unit: 1, amount: +2273, unit: 1, amount: +2273, unit: 1, amount: +2273, unit: 1, amount: +2276, unit: 1, amount: +2280, unit: 1, amount: +2281, unit: 1, amount: +2290, unit: 1, amount: +2290, unit: 1, amount: +2290, unit: 1, amount: +2280, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2292, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2284, unit: 1, amount: +2286, unit: 1, amount: +2286, unit: 1, amount: +2286, unit: 1, amount: +2286, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2268, unit: 1, amount: +2253, unit: 1, amount: +2265, unit: 1, amount: +2272, unit: 1, amount: +2274, unit: 1, amount: +2260, unit: 1, amount: +2247, unit: 1, amount: +2255, unit: 1, amount: +2250, unit: 1, amount: +2238, unit: 1, amount: +2241, unit: 1, amount: +2247, unit: 1, amount: +2250, unit: 1, amount: +2245

Family name Koster

Given name Leon

Imported from wholeness_audit_2026-05-02

Sport chess

Title of chess person FIDE Master

External References (5)

365chess.com player id Leon_Koster

Chess.com player id leon-koster

Chessgames.com player id 46684

Chesstempo.com player id 108935

Fide player id 1008021

🏷️ Also known as

en Leon Koster ru Леон Костер

References

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

Direct Wikidata claims

[4] ↑ Leon Koster — sex or gender (P21): male. wikidata.org.
[5] ↑ Leon Koster — instance of (P31): human. wikidata.org.
[3] ↑ Leon Koster — occupation (P106): chess player. ratings.fide.com. Retrieved 2022-04-20. wikidata.org.
[2] ↑ Leon Koster — date of birth (P569): +1970-07-10T00:00:00Z. chessgames.com. wikidata.org.
[6] ↑ Leon Koster — sport (P641): chess. wikidata.org.
[7] ↑ Leon Koster — family name (P734): Koster. wikidata.org.
[8] ↑ Leon Koster — given name (P735): Leon. wikidata.org.
[9] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2320'}. List of players on FIDE lists 1967-2001. wikidata.org.
[10] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2315'}. List of players on FIDE lists 1967-2001. wikidata.org.
[11] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2309'}. List of players on FIDE lists 1967-2001. wikidata.org.
[12] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2301'}. List of players on FIDE lists 1967-2001. wikidata.org.
[13] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2301'}. List of players on FIDE lists 1967-2001. wikidata.org.
[14] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 January 2001. wikidata.org.
[15] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 30 April 2001. wikidata.org.
[16] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 July 2001. wikidata.org.
[17] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 October 2001. wikidata.org.
[18] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 January 2002. wikidata.org.
[19] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 30 April 2002. wikidata.org.
[20] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 July 2002. wikidata.org.
[21] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 October 2002. wikidata.org.
[22] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 January 2003. wikidata.org.
[23] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 30 April 2003. wikidata.org.
[24] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 July 2003. wikidata.org.
[25] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 October 2003. wikidata.org.
[26] ↑ Leon Koster — Elo rating (P1087): {'unit': '1', 'amount': '+2217'}. FIDE Standard Ratings as of 31 January 2004. wikidata.org.

Class ancestry

[1] ↑ Leon Koster 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). Leon Koster. Retrieved May 3, 2026, from https://4ort.xyz/entity/leon-koster

MLA “Leon Koster.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/leon-koster.

BibTeX

@misc{4ortxyz_leon-koster_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Leon Koster}}, year = {2026}, url = {https://4ort.xyz/entity/leon-koster}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Leon Koster — https://4ort.xyz/entity/leon-koster (retrieved 2026-05-03)

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