E4 c5 nf3 nf6

White's move 2. Nf3 increased her control of the d4 square, enabling her to play d4 next move. Black cannot hope to resist White's plan any further, and should go about his own development. Nc6 reserves options in the centre and keeps an eye on d4, as does There are many slightly different Sicilians with similar plans for Black, in which various combinations of these moves may turn up in almost any order.

The one significant departure from the main lines is Nf6evoking Alekhine's Defence by attacking the e-pawn to tempt it forward.

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For explanation of theory tables see theory table and for notation see algebraic notation. When contributing to this Wikibook, please follow the Conventions for organization. Wikipedia has related information at Sicilian Defence. From Wikibooks, open books for an open world. Category : Book:Chess Opening Theory. Hidden category: Pages using duplicate arguments in template calls.

Namespaces Book Discussion. Views Read Edit View history. Reading room Community portal Bulletin Board Help out! Policies and guidelines Contact us. Suomi Add links. Parent: Sicilian Defence. Nxd4 Nf6. Nc3 e6. Nc3 a6. Nc3 e5.The King's Indian Defence is a common chess opening. It arises after the moves:. Black intends to follow up with Bg7 and White's major third move options are 3.

Nc3, 3. Nf3 or 3. In the most critical lines of the King's Indian, White erects an imposing pawn centre with Nc3 followed by e4. Black stakes out their own claim to the centre with the Benoni -style If White resolves the central pawn tension with d5, then Black follows with either Meanwhile, White attempts to expand on the opposite wing.

The resulting unbalanced positions offer scope for both sides to play for a win. The King's Indian is a hypermodern opening, where Black deliberately allows White control of the centre with their pawns, with the view to subsequently challenge it with the moves Until the mids, it was generally regarded as highly suspect, but the analysis and play of three strong Soviet players in particular— Alexander KonstantinopolskyIsaac Boleslavskyand David Bronstein —helped to make the defence much more respected and popular.

In the early s the opening's popularity suffered after Vladimir Kramnik scored excellent results against it, so much so that even Kasparov gave up the opening after relentless losses to Kramnik. A minor but still significant sideline occurs for White on move 6, with 6.

Bg5, the Zinnowitz Variation, instead of 6. Be2 e5. The line was played several times by German Grandmaster Burkhard Malich in the s and s. This line is distinct from the much more popular Averbakh Variation, described below, since in the Zinnowitz, White has played 5. Nf3 instead of 5. Be2, as in the Averbakh, and then follows with 6. Another, more significant and quite popular sideline occurs for Black on move 6, with Bg4, in place of the mainline One idea for Black here is to relieve their somewhat cramped position by exchanging their light-squared bishop, which is often relegated to a passive role in the King's Indian.

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White's most popular response is 7. Be3, similar to the Gligoric System see above ; White seems to retain a small edge in every variation.

After O-O cxd4 8.

King's Indian Defence

Nc3 Bg7 4. This often leads to very sharp play with the players castling on opposite wings and attacking each other's kings, as in the Bagirov—Gufeld game given below, though it may also give rise to heavyweight positional struggles.The Sicilian Defence is a chess opening that begins with the following moves:.

The Sicilian is the most popular and best-scoring response to White's first move 1. Opening 1. Grandmaster John Nunn attributes the Sicilian Defence's popularity to its combative nature; in many lines Black is playing not just for equality, but for the advantage. The drawback is that White often obtains an early initiative, so Black has to take care not to fall victim to a quick attack.

Rowson writes:. To my mind there is quite a straightforward explanation. In order to profit from the initiative granted by the first move, White has to make use of his opportunity to do something before Black has an equal number of opportunities of his own. However, to do this, he has to make "contact" with the black position.

The first point of contact usually comes in the form of a pawn exchange, which leads to the opening of the position.

The earliest recorded notes on the Sicilian Defence date back to the late 16th century by the Italian chess players Giulio Polerio and Gioachino Greco. By advancing the c- pawn two squares, Black asserts control over the d4-square and begins the fight for the centre of the board. The move resembles 1…e5the next most common response to 1. Unlike White, having pushed a kingside pawn, tends to hold the initiative on that side of the board.

However, Nc6, which either develop a minor piece or prepare to do so. In many variations of the Sicilian, Black makes a number of further pawn moves in the opening for example, Consequently, White often obtains a substantial lead in development and dangerous attacking chances.

Meanwhile, advancing a queenside pawn has given Black a spatial advantage there and provides a basis for future operations on that flank. Often, Black's c5-pawn is traded for White's d4-pawn in the early stages of the game, granting Black a central pawn majority. The pawn trade also opens the c- file for Black, who can place a rook or queen on that file to support the queenside counterplay. The Sicilian Defence was analysed by Giulio Polerio in his manuscript on chess, [9] though he did not use the term 'Sicilian Defence'.

Inthe English master Jacob Henry Sarratt effectively standardised his English translation of the name of this opening as 'the Sicilian Defence', referring to an old Italian manuscript that used the phrase il gioco siciliano 'the Sicilian game'. In the ninth edition of Modern Chess OpeningsWalter Korn noted that the Sicilian "received three of its earliest practical tests, and a big boost in popularity, in the MacDonnell [sic]—La Bourdonnais match, Staunton— St.

Amant match, and the London Tournament.Though this symmetrical response has a long history, it was first popularised by Alexander Petrova Russian chess player of the midth century. In recognition of the early investigations by the Russian masters Petrov and Carl Jaenischthis opening is called the Russian Game in some countries. The Petrov has a drawish reputation; however, it offers attacking opportunities for both sides, and a few lines are quite sharp.

Often a trade occurs and Black, after gaining a tempohas a well-placed knight. Pillsbury's game in [1] against Emanuel Lasker testifies to this. The Petrov has been adopted by many of the world's leading players, including world champions Vasily SmyslovTigran PetrosianAnatoly Karpovand Vladimir Kramnik. White's two main choices for move three are 3. Nxe5, the Classical Variation and 3. Nxe5 is more popular but they often lead to similar positions and "there is no clear reason to prefer one move over the other".

Occasionally seen is the quiet 3. After 3. Nxe5, the Classical VariationBlack should not continue to copy White's moves and try to restore the material balance immediately with After 4. Qe2 Black cannot play Relatively best for Black is Qe7 5. Qxe4 d6 6. Nc3 8. Bb5 is also good Qxe5 9. Qxe5 Nxe5 Nb5 or Bf4 White has a clear advantage.

Be2 is better for White. Consequently, by far the most popular move for Black is Most often, White follows the main line 4.

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Nf3 Nxe4 5. Bd3, where he will try to drive Black's advanced knight from e4 with moves like c4 and Re1. If White achieves this, then he is up two tempi Nf6—e4—f6, plus the tempo White starts the game with. In practice White is usually able to achieve this, but at some structural cost such as having to play c4, which balances out. Qe2 Qe7 6. This is generally only good enough for a drawwhich Black should be satisfied with.

Another possibility, explored by Keresis 5. A completely different approach is to meet Nxe4 with 5. Nc3 Nxc3 6.

Sicilian Defence

For instance, White can plan a quick Be3, Qd2, andand play for a kingside attack, trusting that his doubled c-pawns will help protect his king, and that his initiative and attacking potential will offset the longterm disadvantage of having doubled pawns. In the 5. Nc3 line, Black must avoid It is named after the Russian master Semyon Alapin — For many years, it was not held in high regard, since Deep Blue played the Alapin Variation against Kasparov in their match in order to avoid a main line Sicilian that would walk into Kasparov's lifetime of experience with the opening.

The Alapin is also seen in deferred form, particularly when Black chooses an unusual second move after 2. For example, after 2. Nf3 a6 or 2. Nf3 Qc7, 3. Qc7 are particularly useful moves against the Alapin. The main line in current practice is Nf6 3. This is the main alternative to Nf6 for Black. The usual continuation is 3. This leads to a favourable version of the French for Black, since the bishop is no longer hemmed in by the pawn chain.

If White plays 3. Nf6 is possible, but it is not clear whether Black receives sufficient compensation for the pawn. This is Black's most solid response, preparing It is closely related to the French Defense, to which it often transposes. White can transpose to the Advance Variation of the French Defense with 3. Alternatively, White can transpose to a sort of Tarrasch French with 3.

Nd2, or try to demonstrate a slight advantage with 3. This is a sharp response. Black often offers a gambit with 3.

White can instead play quietlyhowever, with 3. Bd3, occupying the centre and maintaining a spatial advantage. This move makes it hard for White to play d4, but seriously weakens the d5-square. Play usually continues 3. Nf3 Nc6 4. Bc4, with a solid edge for White. From Wikipedia, the free encyclopedia. Chess opening. Black can advantageously reply with Wang Yue ".

Retrieved 31 January List of openings theory table List of chess gambits Irregular Fool's mate Scholar's mate.White's pawn is under attack from the knight on f6. He must defend it or forestall Black's capture of it in some way. Nc3 is almost universally played as it is the knight's natural square anyway. A knight on c3 increases White's influence of the d5 square, and forms a defensive bulwark against attacks on the c-file, to the extent that Black will often give up a rook to remove it.

Also played is 5. At first glance White is attempting to reserve the option of moving the c-pawn to c4. However there is not usually time for this, because without a White knight on c3 Black is immediately threatening to play e5 and d5 and equalise in the centre.

Bd3 commits the bishop to a square on which it will have no future after the obvious e5. It also fails to prevent a subsequent d5.

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For explanation of theory tables see theory table and for notation see algebraic notation. When contributing to this Wikibook, please follow the Conventions for organization. Wikipedia has related information at Sicilian Defence. From Wikibooks, open books for an open world.

Category : Book:Chess Opening Theory. Hidden category: Pages using duplicate arguments in template calls. Namespaces Book Discussion. Views Read Edit View history. Reading room Community portal Bulletin Board Help out! Policies and guidelines Contact us. Suomi Add links. Nc3. Bd3. Bc4 .Download our A3 poster Sports drinks are gammin' Download our A3 poster Do you really need that sports drink.

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