Nikalai (Nikolay) Dmitrievich Grigoriev was a Russian chess player and a composer of endgame studies. He was born on 14 August 1895 in Moscow, and he died there in 1938.
Grigoriev was Moscow Champion four times: in 1921, 1922, 1923–24 and 1929. His playing career spanned from 1910 to 1929. He lost games to Alexander Alekhine (1915 and 1919) and Mikhail Botvinnik (1927); both would later become chess world champions.
Grigoriev composed more than 3...
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Nikalai (Nikolay) Dmitrievich Grigoriev was a Russian chess player and a composer of endgame studies. He was born on 14 August 1895 in Moscow, and he died there in 1938.
Grigoriev was Moscow Champion four times: in 1921, 1922, 1923–24 and 1929. His playing career spanned from 1910 to 1929. He lost games to Alexander Alekhine (1915 and 1919) and Mikhail Botvinnik (1927); both would later become chess world champions.
Grigoriev composed more than 300 endgame studies. He is especially noted for his prolific output of pawn endgames with only kings and pawns on the board, where he had no equal. In 1935, the French magazine La Stratégie organized a tourney for endgame studies with two pawns against one, and Grigoriev ran away with ten of the twelve awards.
In Diagram 1, White wins as follows:
Now Black can choose which of his three pawns he wishes to promote to a queen, but he loses no matter what.
If Black queens the b-pawn instead, the queen on b1 is captured after 9.Qd6+ Kxe4 10.Qg6+. If...
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