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The Sicilian Defence is a chess opening that begins with the following moves: 1. e4 c5. ... Many lines transpose to the Open Sicilian, the Moscow Variation, or the ...
The Najdorf Variation [1] (/ ˈ n aɪ d ɔːr f / NY-dorf) of the Sicilian Defence is one of the most popular, reputable, and deeply studied of all chess openings. [ 2 ] [ 3 ] Modern Chess Openings calls it the " Cadillac " or " Rolls-Royce " of chess openings. [ 4 ]
The Kan Variation of the Sicilian Defence: 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 The Moscow Variation of the Sicilian Defence: 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7 Qxd7 5.c4 Nc6 6.d4 cxd4 7.Nxd4 The Advance Variation of the Smith–Morra Gambit Declined : 1.e4 c5 2.d4 cxd4 3.c3 d3 4.c4
Moscow Variation of the Semi-Slav Defence – 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nf3 e6 5.Bg5 h6; Moscow Variation of the Sicilian Defence – 1.e4 c5 2.Nf3 d6 3.Bb5+ Mujannah Formation of the Old Benoni Defence - 1. d4 c5 2. d5 f5; Mujannah Opening (or Arabian Opening) of the Bird's Opening - 1.f4 d5 2.c4
The Katalymov is considered inferior since it commits Black to a plan with ...b6 rather than more aggressive Sicilian defences incorporating ...b7–b5. [1] Black must protect the b5-square, as an invasion by a white knight or bishop would be very annoying.
The best known of these, called the Poisoned Pawn Variation, is a line of the Sicilian Defense, Najdorf Variation that begins with the moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6. after which 8.Qd2 Qxb2 usually follows, accepting the "poisoned" b2-pawn. White can also play 8.Nb3, protecting the pawn.
In chess, the move 9.Bc4 is one of the main options in the chess opening called the Yugoslav Attack, which is an attack in the Dragon Variation of the Sicilian Defence.Also known as the Rauzer System or the St George Attack, the Yugoslav Attack begins with the following moves:
Vasily Smyslov vs Efim Geller, USSR Championship, Moscow 1951, Sicilian Defence, Closed Variation (B26), 1–0 Smyslov used the Closed Sicilian periodically throughout his life, and made many important improvements. Paul Keres vs Vasily Smyslov, Zurich Candidates' Tournament 1953, English Opening: Anglo-Indian Defense.