Alexey Alexeyevich Troitsky (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 . 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" .
Troitsky was a prolific composer of endgame studies. Irving Chernev included nine of them in his book 200 Brilliant Endgames. The diagram shows one of them.
The main line goes:
Nb6! Qe8
Nd7! Kc4
Qxc7+ Kb4
Qc5+ Kb3
Qc3+ Ka4
Qd4+ Ka3
Nc5 Qb8
Qa1+ Kb4
Na6+
and White wins .
Troitzky, A. (1924), 500 Endspielstudien, Verlag Kagan Berlin
Troitzky, A. (1992), Collection of Studies, Tschaturanga Ed. Olms, . Reprinted in 2006 by Ishi Press, . The 360 studies above plus a supplement on the theory of the endgame of two knights against pawns.
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