Jeffrey Kastner

chess player

Person human Q27526428

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Jeffrey Kastner

Summary

Jeffrey Kastner is a human^[1]. He was born on +1950-01-01T00:00:00Z^[2]. He worked as a chess player^[3].

Key Facts

Jeffrey Kastner was born on +1950-01-01T00:00:00Z^[2].
Jeffrey Kastner worked as a chess player^[3].
Jeffrey Kastner is recorded as male^[4].
Jeffrey Kastner's instance of is recorded as human^[5].
Jeffrey Kastner's sport is recorded as chess^[6].
Jeffrey Kastner's given name is recorded as Jeffrey^[7].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2240'}^[8].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2240'}^[9].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[10].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2320'}^[11].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2310'}^[12].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2310'}^[13].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2310'}^[14].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2315'}^[15].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2315'}^[16].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2315'}^[17].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2360'}^[18].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2360'}^[19].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2360'}^[20].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2335'}^[21].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[22].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[23].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[24].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[25].
Jeffrey Kastner's Elo rating is recorded as {'unit': '1', 'amount': '+2330'}^[26].

Body

Origins and Family

Jeffrey Kastner was born on +1950-01-01T00:00:00Z^[2].

Career and Affiliations

Jeffrey Kastner's professions included chess player^[3].

FAQs

What did Jeffrey Kastner do for work?

Jeffrey Kastner worked as chess player^[3].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender male

Date of birth January 1, 1950

Occupation chess player

Properties

Country for sport United States

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Given name Jeffrey

Imported from wholeness_audit_2026-05-02

Sport chess

Title of chess person FIDE Master

External References (6)

365chess.com player id Jeffrey_Kastner

Chess.com member id JeffScrabbleman

Chess.com player id jeffrey-kastner

Chesstempo.com player id 101396

Fide player id 2001489

Uscf player id 10078091

🏷️ Also known as

en Jeffrey Kastner

References

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

Direct Wikidata claims

[4] ↑ Jeffrey Kastner — sex or gender (P21): male. ratings.fide.com. wikidata.org.
[5] ↑ Jeffrey Kastner — instance of (P31): human. ratings.fide.com. wikidata.org.
[3] ↑ Jeffrey Kastner — occupation (P106): chess player. ratings.fide.com. Retrieved 2022-04-20. wikidata.org.
[2] ↑ Jeffrey Kastner — date of birth (P569): +1950-01-01T00:00:00Z. ratings.fide.com. wikidata.org.
[6] ↑ Jeffrey Kastner — sport (P641): chess. ratings.fide.com. wikidata.org.
[7] ↑ Jeffrey Kastner — given name (P735): Jeffrey. wikidata.org.
[8] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2240'}. List of players on FIDE lists 1967-2001. wikidata.org.
[9] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2240'}. List of players on FIDE lists 1967-2001. wikidata.org.
[10] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.
[11] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2320'}. List of players on FIDE lists 1967-2001. wikidata.org.
[12] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2310'}. List of players on FIDE lists 1967-2001. wikidata.org.
[13] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2310'}. List of players on FIDE lists 1967-2001. wikidata.org.
[14] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2310'}. List of players on FIDE lists 1967-2001. wikidata.org.
[15] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2315'}. List of players on FIDE lists 1967-2001. wikidata.org.
[16] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2315'}. List of players on FIDE lists 1967-2001. wikidata.org.
[17] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2315'}. List of players on FIDE lists 1967-2001. wikidata.org.
[18] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2360'}. List of players on FIDE lists 1967-2001. wikidata.org.
[19] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2360'}. List of players on FIDE lists 1967-2001. wikidata.org.
[20] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2360'}. List of players on FIDE lists 1967-2001. wikidata.org.
[21] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2335'}. List of players on FIDE lists 1967-2001. wikidata.org.
[22] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.
[23] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.
[24] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.
[25] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.
[26] ↑ Jeffrey Kastner — Elo rating (P1087): {'unit': '1', 'amount': '+2330'}. List of players on FIDE lists 1967-2001. wikidata.org.

Class ancestry

[1] ↑ Jeffrey Kastner 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). Jeffrey Kastner. Retrieved May 3, 2026, from https://4ort.xyz/entity/jeffrey-kastner

MLA “Jeffrey Kastner.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/jeffrey-kastner.

BibTeX

@misc{4ortxyz_jeffrey-kastner_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jeffrey Kastner}}, year = {2026}, url = {https://4ort.xyz/entity/jeffrey-kastner}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jeffrey Kastner — https://4ort.xyz/entity/jeffrey-kastner (retrieved 2026-05-03)

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