Rosa Ratsma

Dutch chess player

Person human Q23888891

Press Enter · cited answer in seconds

Rosa Ratsma

Summary

Rosa Ratsma is a human^[1]. Born in Leiden^[2], she… she was born on +1996-10-17T00:00:00Z^[3]. She worked as a chess player^[4].

Key Facts

Rosa Ratsma was born in Leiden^[2].
Rosa Ratsma was born on +1996-10-17T00:00:00Z^[3].
Rosa Ratsma held citizenship in Kingdom of the Netherlands^[5].
Rosa Ratsma's professions included chess player^[4].
Rosa Ratsma's image is recorded as RosaRatsma2021.jpg^[6].
Rosa Ratsma is recorded as female^[7].
Rosa Ratsma's instance of is recorded as human^[8].
Rosa Ratsma's Commons category is recorded as Rosa Ratsma^[9].
Rosa Ratsma's sport is recorded as chess^[10].
Rosa Ratsma's given name is recorded as Rosa^[11].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1607'}^[12].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1618'}^[13].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1618'}^[14].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1618'}^[15].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1618'}^[16].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1618'}^[17].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1633'}^[18].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1692'}^[19].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1692'}^[20].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1692'}^[21].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1692'}^[22].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1692'}^[23].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1698'}^[24].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1736'}^[25].
Rosa Ratsma's Elo rating is recorded as {'unit': '1', 'amount': '+1791'}^[26].

Body

Origins and Family

Born in Leiden^[2], Rosa Ratsma… she was born on +1996-10-17T00:00:00Z^[3].

Career and Affiliations

Rosa Ratsma worked as a chess player^[4].

FAQs

Where was Rosa Ratsma born?

Born in Leiden^[2], Rosa Ratsma…

What did Rosa Ratsma do for work?

Rosa Ratsma worked as chess player^[4].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of human

Sex or gender female

Date of birth October 17, 1996

Place of birth Leiden

Country of citizenship Kingdom of the Netherlands

Occupation chess player

Properties

Country for sport Netherlands

Elo rating unit: 1, amount: +1607, unit: 1, amount: +1618, unit: 1, amount: +1618, unit: 1, amount: +1618, unit: 1, amount: +1618, unit: 1, amount: +1618, unit: 1, amount: +1633, unit: 1, amount: +1692, unit: 1, amount: +1692, unit: 1, amount: +1692, unit: 1, amount: +1692, unit: 1, amount: +1692, unit: 1, amount: +1698, unit: 1, amount: +1736, unit: 1, amount: +1791, unit: 1, amount: +1791, unit: 1, amount: +1791, unit: 1, amount: +1791, unit: 1, amount: +1791, unit: 1, amount: +1821, unit: 1, amount: +1821, unit: 1, amount: +1821, unit: 1, amount: +1821, unit: 1, amount: +1857, unit: 1, amount: +1857, unit: 1, amount: +1857, unit: 1, amount: +1870, unit: 1, amount: +1868, unit: 1, amount: +1842, unit: 1, amount: +1854, unit: 1, amount: +1854, unit: 1, amount: +1899, unit: 1, amount: +1910, unit: 1, amount: +1921, unit: 1, amount: +1931, unit: 1, amount: +1939, unit: 1, amount: +1939, unit: 1, amount: +2035, unit: 1, amount: +2059, unit: 1, amount: +2060, unit: 1, amount: +2122, unit: 1, amount: +2165, unit: 1, amount: +2154, unit: 1, amount: +2128, unit: 1, amount: +2138, unit: 1, amount: +2129, unit: 1, amount: +2097, unit: 1, amount: +2088, unit: 1, amount: +2088, unit: 1, amount: +2081, unit: 1, amount: +2067, unit: 1, amount: +2067, unit: 1, amount: +2071, unit: 1, amount: +2059, unit: 1, amount: +2050, unit: 1, amount: +2037, unit: 1, amount: +2030, unit: 1, amount: +2028, unit: 1, amount: +2027, unit: 1, amount: +2027, unit: 1, amount: +2027, unit: 1, amount: +2133, unit: 1, amount: +2159, unit: 1, amount: +2157, unit: 1, amount: +2149, unit: 1, amount: +2169, unit: 1, amount: +2159, unit: 1, amount: +2141, unit: 1, amount: +2141, unit: 1, amount: +2136, unit: 1, amount: +2144, unit: 1, amount: +2137, unit: 1, amount: +2194, unit: 1, amount: +2253, unit: 1, amount: +2283, unit: 1, amount: +2269, unit: 1, amount: +2282, unit: 1, amount: +2295, unit: 1, amount: +2287, unit: 1, amount: +2247, unit: 1, amount: +2253, unit: 1, amount: +2271, unit: 1, amount: +2268, unit: 1, amount: +2265, unit: 1, amount: +2265, unit: 1, amount: +2286, unit: 1, amount: +2260, unit: 1, amount: +2260, unit: 1, amount: +2269, unit: 1, amount: +2259, unit: 1, amount: +2257, unit: 1, amount: +2257, unit: 1, amount: +2256, unit: 1, amount: +2258, unit: 1, amount: +2276, unit: 1, amount: +2282, unit: 1, amount: +2282, unit: 1, amount: +2274, unit: 1, amount: +2274, unit: 1, amount: +2283, unit: 1, amount: +2274, unit: 1, amount: +2259, unit: 1, amount: +2270, unit: 1, amount: +2280, unit: 1, amount: +2300, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2306, unit: 1, amount: +2297, unit: 1, amount: +2272, unit: 1, amount: +2235, unit: 1, amount: +2231, unit: 1, amount: +2234, unit: 1, amount: +2252, unit: 1, amount: +2226, unit: 1, amount: +2236, unit: 1, amount: +2231, unit: 1, amount: +2227, unit: 1, amount: +2215, unit: 1, amount: +2210, unit: 1, amount: +2202, unit: 1, amount: +2211, unit: 1, amount: +2206, unit: 1, amount: +2214, unit: 1, amount: +2211, unit: 1, amount: +2216, unit: 1, amount: +2217, unit: 1, amount: +2216

Given name Rosa

Imported from wholeness_audit_2026-05-02

On focus list of wikimedia project gender gap on Dutch Wikipedia

Sport chess

Title of chess person Woman International Master

External References (7)

365chess.com player id Rosa_Ratsma

Chess.com member id roos96

Chess.com player id rosa-ratsma

Chessgames.com player id 159818

Chesstempo.com player id 173827

Fide player id 1033662

Google knowledge graph id /g/11cmttv2l0

🌐 Available in 4 languages

commonsCategory:Rosa Ratsma deRosa Ratsma nlRosa Ratsma ruРатсма, Роза

🏷️ Also known as

en Rosa Ratsma de Rosa Juliette Ratsma ru Роза Рацма

References

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

Direct Wikidata claims

[6] ↑ Rosa Ratsma — image (P18): RosaRatsma2021.jpg. wikidata.org.
[2] ↑ Rosa Ratsma — place of birth (P19): Leiden. wikidata.org.
[7] ↑ Rosa Ratsma — sex or gender (P21): female. wikidata.org.
[5] ↑ Rosa Ratsma — country of citizenship (P27): Kingdom of the Netherlands. wikidata.org.
[8] ↑ Rosa Ratsma — instance of (P31): human. wikidata.org.
[4] ↑ Rosa Ratsma — occupation (P106): chess player. ratings.fide.com. Retrieved 2022-04-20. wikidata.org.
[9] ↑ Rosa Ratsma — Commons category (P373): Rosa Ratsma. wikidata.org.
[3] ↑ Rosa Ratsma — date of birth (P569): +1996-10-17T00:00:00Z. ratings.fide.com. ratings.fide.com. Provenance: wikidata.org.
[10] ↑ Rosa Ratsma — sport (P641): chess. wikidata.org.
[11] ↑ Rosa Ratsma — given name (P735): Rosa. wikidata.org.
[12] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1607'}. FIDE Standard Ratings as of 31 July 2010. wikidata.org.
[13] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1618'}. FIDE Standard Ratings as of 30 September 2010. wikidata.org.
[14] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1618'}. FIDE Standard Ratings as of 30 November 2010. wikidata.org.
[15] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1618'}. FIDE Standard Ratings as of 31 January 2011. wikidata.org.
[16] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1618'}. FIDE Standard Ratings as of 31 March 2011. wikidata.org.
[17] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1618'}. FIDE Standard Ratings as of 31 May 2011. wikidata.org.
[18] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1633'}. FIDE Standard Ratings as of 31 July 2011. wikidata.org.
[19] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1692'}. FIDE Standard Ratings as of 30 September 2011. wikidata.org.
[20] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1692'}. FIDE Standard Ratings as of 30 November 2011. wikidata.org.
[21] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1692'}. FIDE Standard Ratings as of 31 January 2012. wikidata.org.
[22] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1692'}. FIDE Standard Ratings as of 31 March 2012. wikidata.org.
[23] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1692'}. FIDE Standard Ratings as of 31 May 2012. wikidata.org.
[24] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1698'}. FIDE Standard Ratings as of 31 July 2012. wikidata.org.
[25] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1736'}. FIDE Standard Ratings as of 31 August 2012. wikidata.org.
[26] ↑ Rosa Ratsma — Elo rating (P1087): {'unit': '1', 'amount': '+1791'}. FIDE Standard Ratings as of 30 September 2012. wikidata.org.

Class ancestry

[1] ↑ Rosa Ratsma 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). Rosa Ratsma. Retrieved May 3, 2026, from https://4ort.xyz/entity/rosa-ratsma

MLA “Rosa Ratsma.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rosa-ratsma.

BibTeX

@misc{4ortxyz_rosa-ratsma_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Rosa Ratsma}}, year = {2026}, url = {https://4ort.xyz/entity/rosa-ratsma}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Rosa Ratsma — https://4ort.xyz/entity/rosa-ratsma (retrieved 2026-05-03)

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