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and White mates in three (19.Nh6+ double check Kh8 20.Qg8+ Rxg8 21.Nf7#). [1] [2] Cochrane published a book reporting his games with Moheshchunder and other Indians in 1864.It gained popularity after Ernst Grünfeld introduced it into international play at the Bad Pistyan Tournament 7-28 April 1922, where, in his first game with the defense, he drew Friedrich Sämisch in 22 moves. [3]
The variation's most devoted practitioner has been its eponym, Ashot Nadanian.Various famous players such as Viktor Korchnoi, Maxime Vachier-Lagrave, Bu Xiangzhi, Alexander Riazantsev, Igor Lysyj, Walter Browne, Smbat Lputian, Timur Gareyev, Jonathan Rowson, Andrei Kharlov, Bogdan Lalić have employed it at some time or another, though few have made it their main line against the Grünfeld ...
Among his recorded games is the first instance of Gruenfeld Defence, more than 60 years before Ernst Grünfeld was to launch it against Alekhine at Vienna, 1922: . John Cochrane vs. Moheschunder Bannerjee, May 1855 (in PGN format)
Ernst Grünfeld contributed many articles on openings to chess magazines around Europe. Indeed, before he had turned 20, he was already contributing articles on the Ruy Lopez to Wiener Schachzeitung, which was one of the most popular German-language chess publications of its day, and over the next 40 years or so he wrote many articles on opening theory for chess publications in Germany ...
In chess, an exchange variation is a type of opening in which there is an early, voluntary exchange of pawns or pieces. Such variations are often quieter than other lines because the early release of tension minimizes the possibility of surprise tactics or sharp, forcing lines, particularly where it results in a symmetrical pawn structure.
In the game of chess, Indian Defence or Indian Game is a broad term for a group of openings characterised by the moves: . 1. d4 Nf6 [1]. They are all to varying degrees hypermodern defences, where Black invites White to establish an imposing presence in the centre with the plan of undermining and ultimately destroying it.
The Fianchetto Variation 1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6 6.0-0, is named for White's development of light-squared bishop to g2, and is one of the most popular lines at the grandmaster level, Korchnoi once its most notable practitioner. This method of development is on completely different lines than other King's Indian variations.
3.g3, the Przepiórka Variation, closely related to the Fianchetto Variation of the King's Indian; 3.Bg5, a variant of the Torre Attack; 3.Bf4, the London System; 3.Nc3, the Barry Attack [3] The Encyclopaedia of Chess Openings classifies the East Indian Defence under A49 for the Przepiórka Variation and A48 for the others.