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The Three Knights Variation of the Queen's Gambit Declined is usually reached from the move order 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3, played to avoid the Nimzo-Indian Defense (from the white point of view) and the Exchange Variation of the Queen's Gambit Declined (from the black point of view). Black has a few options in response to the Three ...
The Tarrasch Defense is a chess opening characterized by the moves: . 1. d4 d5 2. c4 e6 3. Nc3 c5. The Tarrasch is a variation of the Queen's Gambit Declined.. Black's third move is an aggressive bid for central space.
The resulting pawn structures may also be asymmetrical, as in the Caro-Kann Defense and Queen's Gambit Declined. In the Ruy Lopez, Exchange Variation pieces (White's bishop and Black's knight) rather than pawns are traded. In the Exchange Variation of the Grunfeld Defense, both a pair of pawns and a pair of knights are traded. The diagram at ...
3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5. Black breaks the pin on the h4–d8 diagonal and forms a pin of their own on the c3-knight (exploiting the absence of the White's queen bishop from the queenside). If Black later plays dxc4, there may be threats against the g5-bishop. Note that 5.cxd5 cannot win a pawn because of the Elephant Trap ...
The Bogo-Indian Defence is named after the Russian-born German master Efim Bogoljubow who is believed to have originated the opening and played it regularly in the 1920s. . Subsequent prominent players to have adopted the Bogo-Indian include Aron Nimzowitsch, Paul Keres, Tigran Petrosian, Bent Larsen, Vasily Smyslov, Viktor Korchnoi, Ulf Andersson, Michael Adams and Nikita Vitiug
The Semi-Slav Defense is a variation of the Queen's Gambit Declined chess opening defined by the position reached after the moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6. The position may readily be reached by a number of different move orders. Black's supporting pawns resemble a mixture of the Orthodox Queen's Gambit Declined, e6, and the Slav ...
The Marshall Defense is a chess opening that begins with the moves: . 1. d4 d5 2. c4 Nf6?!. The Marshall Defense is a fairly dubious variation of the Queen's Gambit Declined.It was played by Frank Marshall in the 1920s, but he gave it up after losing with it to Alekhine at Baden-Baden in 1925. [1]
In chess, the Elephant Trap is a faulty attempt by White to win a pawn in a popular variation of the Queen's Gambit Declined. The earliest recorded occurrence of the trap seems to be the game Karl Mayet–Daniel Harrwitz, Berlin 1848. [1]