The Chigorin Defense is a chess opening named for 19th-century Russian master Mikhail Chigorin. An uncommonly played defense to the Queen's Gambit, it begins with the following moves:
The Chigorin Defense violates several classical principles: Black does not maintain the center pawn at d5, the c-pawn is blocked, and Black must be willing to trade a bishop for a knight. In return, Black gets quick development and piece pressure on the center.
Although opening assessments change as improvements are found for each side, the Chigorin is generally considered playable for Black, and it is useful as a surprise weapon against the Queen's Gambit. Alexander Morozevich is perhaps the only modern grandmaster who regularly plays the Chigorin Defense; in the 1980s, Vasily Smyslov did employ the opening against Garry Kasparov, achieving a draw.[1] Morozevich has also published a book on the Chigorin Defense,[2] in which he gives both a theoretical and a personal view on the opening.
The Chigorin Defense has the classification D07 in the Encyclopedia of Chess Openings.
Because the Chigorin is an unusual defense, the theory of this opening is not as well developed as that for more popular openings. After 1.d4 d5 2.c4 Nc6, some of the most commonly played variations are:
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