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Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6

< Chess Opening Theory | 1. e4 | 1...c5 | 2. Nf3
Open Sicilian
a b c d e f g h
8a8 black rookb8 black knightc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rook8
7a7 black pawnb7 black pawnc7 black kingd7 black kinge7 black pawnf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black kingd6 black pawne6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black pawnd5 black kinge5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 black kinge4 white pawnf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 white knightg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 white pawne2 black kingf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 white bishopd1 white queene1 white kingf1 white bishopg1 black kingh1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

rnbqkbnr/pp2pppp/3p4/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R w

Moves: 1. e4 c5 2. Nf3 d6
ECO code: B50-B99
Parent: Sicilian Defence

Open Sicilian

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Black's 2...d6 gives them the option of several popular attacking lines, controls the e5 square, supports the c-pawn and activates their queen's bishop.

White's rationale for playing 2. Nf3 was to support a 3. d4 advance which they may now play. Their best alternative to this, for rapid development, is 3. Bb5+, forcing Black to block the check with a minor piece that would then be pinned to the king. Swashbuckling players might be tempted by 3. b4, planning an unopposed d4 when the Black c-pawn is diverted to b4.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation.

1. e4 c5 2. Nf3 d6

3 4 5 6
Main line d4
cxd4		 Nxd4
Nf6		 Nc3
a6		 Be3
e6		 =
Moscow Variation
(or Canal-Sokolsky Attack)		 Bb5+
Bd7		 Bxd7+
Qxd7		 O-O
Nc6		 c3
Nf6		 =
Nc3
Nf6		 e5
dxe5		 Nxe5
Nbd7		 Nc4
e6		 +/=
Delayed Alapin c3
Nf6		 Be2
g6		 O-O
Bg7		 Bb5+
Nbd7		 =
Deferred Wing Gambit b4
cxb4		 d4
Nf6		 Bd3
e6		 O-O
Be7		 =/+

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Wikipedia has related information at Sicilian Defence

References

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  • Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.
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