Blumenfeld-Gambit
When Blumenfeld Gambit is an opening of the chess game. It was named after the Russian chess champion Benjamin Markovich Blumenfeld. The Blumenfeld Gambit is one of the closed-end games and is classified in the ECO codes under the key E10. It is apparent from the Indian defense.
Each of its main variants begins with the moves:
History
The Blumenfeld Gambit in 1922, introduced by the world chess champion Alexander Alekhine later, the adapted it from Russian masters player Blumenfeld in the international tournament practice. In the Master Tournament to Piešťany (then Bad Pistyan ) he defeated the Gambit the German master Siegbert Tarrasch player in a game that was awarded the brilliancy prize. The opening was then also used by other top players, such as Savielly Tartakower, Rudolf Spielmann and Efim Bogolyubov.
In the second half of the 20th century, the Blumenfeld Gambit was not world class or hardly ever occur. Alekhine himself writes in his commentary on the match against Tarrasch that " the adoption of the Gambit [ ... ] Black a brilliant position in the center [ there ] ." Alekhine goes on to say that 5 Lc1 - g5 was the right train. In recent years, the Blumenfeld Gambit has become popular again, and white attacks now back frequently to 5.cxb5 because after 5.Bg5 exd5 creates a Benoniartige position without major problems for Black.
Opening ideas
The assessment Alekhine refers to the resulting position, the White should continue with 5 dxe6 fxe6 6 cxb5. After d7 -d5 of Black controls the center and has free piece play. White tries then sooner or later with e2- e4, partly under the return of farmers to blow up this center again.