{{short description|Russian chess player}} {{Infobox person | name = | image = Benjamin Blumenfeld.jpg | caption = | native_name = Бениамин Мордхелевич Блюменфельд | native_name_lang = Russian | birth_date = {{birth date|1884|05|24}} | birth_place = Vilkaviškis, Russian Empire | death_date = {{death date and age|1947|03|05|1884|05|24}} | death_place = Moscow, USSR | citizenship = USSR | occupation = chess player | known_for = Blumenfeld Gambit }} {{chess notation}}
'''Benjamin Blumenfeld''' (24 May 1884, Vilkaviškis – 5 March 1947, Moscow) was a Russian chess master.<ref name="chessgames">{{cite web |title=The chess games of Benjamin Markovich Blumenfeld |url=https://www.chessgames.com/perl/chessplayer?pid=20462 |website=www.chessgames.com |access-date=11 February 2022}}</ref>
He was born in Vilkaviškis, in the Suwałki Governorate of the Russian Empire (present-day Lithuania). In 1905/06 he tied for second/third with Akiba Rubinstein, behind Gersz Salwe, in St. Petersburg (the fourth Russian championship). In 1907 he tied for second/third with Georg Marco, behind Mikhail Chigorin, in Moscow.<ref name="chessgames"/>
In 1920 he took eighth in Moscow (Russian Chess Olympiad, 1st URS-ch). The event was won by Alexander Alekhine. In 1925 he tied for second/third with Boris Verlinsky, behind Aleksandr Sergeyev, in the Moscow championship.<ref name="chessgames"/>
He invented the Blumenfeld Gambit (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nf3 b5).<ref name="chessgames"/>
In 1945 Blumenfeld defended PhD thesis on psychology, based on cognition in chess.<ref name="chessgames"/> At the time, it was one of the first attempts to do research into chess psychology.
==Notable games== *[http://www.chessgames.com/perl/chessgame?gid=1102318 Benjamin Markovich Blumenfeld vs Aron Nimzowitsch, Berlin 1903, Scotch Game: Schmidt Variation (C45), 1-0]
== References == {{reflist}}
== External links == *{{chessgames player|id=20462}}
{{Authority control}} {{DEFAULTSORT:Blumenfeld, Benjamin}} Category:1884 births Category:1947 deaths Category:People from Vilkaviškis Category:People from Suwałki Governorate Category:Lithuanian Jews Category:Lithuanian chess players Category:Soviet chess players Category:Jewish chess players Category:Chess theoreticians
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