Alexey Troitsky
Russian chess player (1866-1942)

Alexey Alexeyevich Troitsky (Russian: Алексе́й Алексе́евич Тро́ицкий; March 14, 1866 – August 1942; also Alexei, Troitzky, Troitzki) was a Russian chess theoretician. He is widely considered to have been one of the greatest composers of chess endgame studies. He is widely regarded as the founder of the modern art of composing chess studies (Seirawan 2003:91). Troitsky died of starvation during World War II at the siege of Leningrad. During the war, many of his notes got destroyed or lost so some of the latest chess problems he composed were never published.
One of his most famous works involves analyzing the endgame with two knights versus a pawn, see Troitsky line. John Nunn analyzed this endgame with an endgame tablebase and stated that "the analysis of Troitsky ... is astonishingly accurate" (Nunn 1995:265).
Compositions
Troitsky was a prolific composer of endgame studies. Irving Chernev included nine of them in Chernev (1989).
The public source identifies “Alexey Troitsky” as russian chess player (1866-1942). This brief keeps that definition visible, then builds a research path around Alexey, Troitsky and Russian.
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Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Aug 25, 2026. The linked authority identifier is Q552743. VIAF identifies the subject as 306166228. The Library of Congress control number is no2016043788. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1866, 1942, 2003 and 1995.
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This entry incorporates text from “Alexey Troitsky” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.