Openings
The Sicilian Defense in Chess (Complete Guide)
The Sicilian Defense is the opening Black chooses when White starts the game by pushing the king's pawn two squares forward. Black answers 1.e4 with 1...c5 and the fight is on. It was the favorite defense of great champions like Bobby Fischer and Garry Kasparov, and Maxime Vachier-Lagrave, the strongest French player of all time, has made it his weapon of choice.
In this guide you will find the big ideas behind the Sicilian, a close look at the legendary Najdorf and the fearsome Dragon, the main Anti-Sicilians including the Rossolimo and the Maroczy Bind, and three of the most famous Sicilian games in chess history. And plenty more.
The Principles of the Sicilian Defense
The Sicilian opening is one of the most played chess openings in the world, so let's take it slowly, one idea at a time. It arises after 1.e4 c5.
The position it creates is a paradox.
Black gives up a tempo in development in order to control the center and stop White from building the perfect pawn duo on e4 and d4. If White pushes the d-pawn to d4, Black simply trades it off against the c-pawn. Black has then exchanged a wing pawn for a central pawn, a trade that favors the second player.
There is a catch. The best way to profit from a lead in development is to open lines. So the move d4 makes sense for White anyway. By playing the pawn to d4, White opens the d-file, which is a first step toward an attack on the black king.
We reach a position where each side makes a bet. Black banks on control of the center, White on a lead in development. Interesting, right?
To be complete, you should know that White prefers to develop the knight to f3 before playing d4. The point is to recapture on d4 with the knight after the pawn trade, not with the queen, which would be exposed in the middle of the board. When White opens the center this way, we get the Open Sicilian.
The Najdorf Variation
What is the Najdorf?
What do Bobby Fischer, Garry Kasparov and Maxime Vachier-Lagrave have in common? Their favorite opening is one specific variation of the Sicilian, the Najdorf, which you reach after 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6.
The first moves are very logical. We have already explained why White plays d4. Black then brought the knight to f6, developing a piece while attacking an enemy pawn, always a useful combination. White answered with Nc3, again a completely natural move. And then Black plays this little pawn move on the edge of the board, 5...a6.
The idea behind 5...a6
Why is this quiet pawn move so deep, and why did it turn the variation into a legend? The move takes the b5 square away from the white knights and bishop. With b5 under control, Black can prepare the central break ...e5 without allowing an annoying Nb5 in reply, and the same pawn later supports the advance ...b5, which opens Black's play on the queenside. One modest pawn step, several profound ideas.
You should also know that Miguel Najdorf was a very strong Argentine player, and that his idea in the Sicilian ranks among the most beautiful opening concepts in the history of the game. Top-level tournaments regularly pay tribute to him. In those events a single opening is mandatory for every game, the Najdorf of course.
The Dragon Variation
Faint hearts, look away. It is time to attack with the Dragon Variation.
We reach it after 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6.
This little move g6 is easier to understand. Black wants to develop the f8 bishop to g7 and then castle short. We say that Black fianchettoes the bishop. The consequences for the rest of the game are enormous. Let's start with how you attack a fianchetto.
How to attack a fianchetto
By playing the pawn to g6, Black has weakened all the dark squares around the future castled king, namely h6, g7 and f6. Their natural defender is the bishop on g7. If White manages to remove that bishop, the weakness of the dark squares will be felt at full strength. The first great method against a fianchetto is therefore to bring our own bishop to h6 and trade off the fianchettoed bishop.
In the diagram above, White has set up a queen and bishop battery in order to land the bishop on h6 at the right moment and exchange the fianchetto bishop.
The second method of attack is the battering ram. When the pawn stepped from g7 to g6, it became a target for the white pawns. By pushing the h-pawn to h5 at the right moment, White gets a lever to break open Black's kingside.
Of course, castling short would leave White's own king very exposed with this plan. So White gets ready to castle on the queenside instead.
Opposite-side castling in the Dragon
Once White castles long, the two kings sit on opposite wings. We say the players have castled on opposite sides.
Each side can then hurl its pawns at the enemy king. An attacking game begins, and it is truly a race. The first player to create threats and force the opponent onto the defensive takes over the game.
Now you understand why the Dragon produces so many spectacular attacking games.
The most famous Dragon attack
Naturally, many of the finest attacks in the Sicilian come from the Dragon. Here is surely the most celebrated of them all. White is Anatoly Karpov, a year away from the world title. Black is Viktor Korchnoi, who would go on to challenge him twice for the crown. This is their 1974 Candidates final.
Our adventure begins in the position above. Karpov starts by opening the h-file.
1.h5 Nxh5 2.g4 Nf6
Now comes a small preparatory move before exchanging Black's fianchettoed bishop.
3.Nde2 Qa5 4.Bh6 Bxh6 5.Qxh6
Karpov now does everything he can to dislodge the knight on f6, the main defender of the black position.
5...Rfc8 6.Rd3 R4c5 7.g5!! Rxg5 8.Rd5!! Rxd5 9.Nxd5
And there it is. The knight lands on d5 and threatens to trade itself for the knight on f6. Stripped of its defender, the black castled position is left to fend for itself. As usual, Karpov searched for the most precise path to finish the game and take the point.
9...Re8 10.Nef4 Bc6 11.e5!! Bxd5 12.exf6 exf6 13.Qxh7+ Kf8 14.Qh8+ 1-0
After 14...Ke7 15.Nxd5+ Qxd5 16.Re1+ White wins at least a rook. If Black blocks with the queen, the rook takes it; if the king steps aside instead, Qxe8+ picks up the rook, since the rook on e1 covers the square.
Quite a game, isn't it? It certainly belongs to the history of chess.
Let's move on to the variations that try to stop Black from developing the Sicilian on Black's own terms.
The Anti-Sicilians
The idea behind the Sicilian is so strong that many players have looked for ways to sidestep Black's main plan. Nobody can prevent the move 1...c5 itself, but here are several ways to disturb Black's development.
The Rossolimo and the Moscow Variation
The Franco-American player Nicolas Rossolimo represented France several times at the Chess Olympiads organized by FIDE, the international chess federation. He remains famous for lending his name to the best known family of Anti-Sicilians, in which White develops the bishop to b5 instead of opening the center. When Black has played 2...d6, the bishop comes out with check after 1.e4 c5 2.Nf3 d6 3.Bb5+, a move order usually called the Moscow Variation, the Rossolimo's close cousin.
What is the idea behind this mysterious check? White wants to build a bind.
The Maroczy Bind
After trading off the light-squared bishop, for example with 3...Bd7 4.Bxd7+ Nxd7, White plays c4 followed by d4 and reaches this kind of position.
The pawns on e4 and c4 are the trademark of the Maroczy Bind. They guarantee White a serious space advantage and squeeze Black back into three ranks. Above all, they do an excellent job of preventing the freeing move ...d5, and they give White a very pleasant game.
Why exchange the f1 bishop on move three? Because after the move c4, that bishop would have run into its own pawns. It is completely logical to bring it out first, trade it, and only then set up the bind.
Note that if Black plays 2...Nc6 instead of 2...d6, the move Bb5 is still possible, but often with a very different idea in mind.
The Rossolimo against 2...Nc6
This is the Rossolimo proper. By placing the bishop on b5, White intends to exchange it for the knight on c6 and saddle Black with doubled pawns. French champion Tigran Gharamyan has taught this very elegant variation of the Sicilian in detail.
The Closed Sicilian
Here is a second very famous Anti-Sicilian. White simply chooses to play d3 and keep the position closed.
The position stays shut, and a maneuvering game can begin. The f1 bishop, blocked by its own pawns, usually heads to g2 in fianchetto instead.
Take a good look at White's structure with pawns on c2, d3 and e4. It leans toward the kingside. You can already guess that at some point White will try to push the f-pawn to f4 and start an attack on that wing. Black's game leans toward the queenside instead, and the advance ...b5 followed by ...b4 is very much in the cards.
The Alapin Variation
Once again the variation carries the name of a player, Semyon Alapin. This time White refuses to give up on the big pawn center with e4 and d4, and plays c3 on the second move.
This plan is dangerous, and if you play the Sicilian with Black you need an antidote ready. You have two good options. The first is to counterattack against the e4 pawn with ...Nf6. The logic is simple. That pawn has just lost its natural defender, because the c3 square is now occupied by White's own pawn and the b1 knight can no longer develop there. The e4 pawn becomes hard to protect, will probably have to advance, and may turn into a weakness.
The second way to fight the Alapin with Black is to strike back immediately in the center with ...d5. After the exchange on d5, the black queen recaptures the white pawn and lands in the middle of the board. Unlike in most openings, she is hard to attack there, and Black's position is perfectly sound.
The Morra Gambit
This opening honors the French player Pierre Morra, though many American club players know it as the Smith-Morra Gambit. White does play d4 as in an Open Sicilian, but instead of recapturing on d4, White offers a second pawn by playing c3.
By playing c3, White opens the position a little more. Once the pawn is taken, the b1 knight comes to c3, and in exchange for being a pawn down White enjoys a fine lead in development. That is exactly the point of a gambit.
The white queen can come to b3 and form a beautiful battery with the bishop posted on c4. The g1 knight goes to f3, and once White has castled, both rooks find open files. White gets an attractive game, a pawn short. Each player will have their chances.
Other Open Sicilians
Back to 3.d4 now, for the other famous Sicilians beyond the Dragon and the Najdorf.
The Paulsen Variation
Black decides to do without the move ...d6, at least for a while, and plays 1.e4 c5 2.Nf3 e6.
The idea is to keep the option of developing the f8 bishop more actively, and to carry out the advance ...d5 in a single move rather than in two steps after ...d6. Judit Polgar, the queen of chess and the only woman ever to reach the world top 10, has played this line with the black pieces.
On the white side, the most common reaction is once again to set up the Maroczy Bind by playing d4 followed by c4. The variation has become very fashionable and is quite dangerous. In a world championship game, Magnus Carlsen chose the very rare 3.g3 against Anand precisely to steer the game away from theory.
The Taimanov Variation
Also called the modern Paulsen, the Taimanov is very much in fashion at the moment. You get there after 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6.
The variation is prized for its flexibility. It can in fact transpose into several of the other lines we meet in this article.
The Sveshnikov Variation
Evgeny Sveshnikov shares with Miguel Najdorf the credit for the most beautiful opening concept in the whole Sicilian. Here are the first moves, 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5.
The idea is to try to build the big pawn center with ...e5 and ...d5 right away with the black pieces. The risks are real though. The d7 pawn becomes a backward pawn, and the d5 square is very weak, or very strong if you look at it from White's side.
Practice has shown that Black can fight effectively for the d5 square by playing ...d6 and then bringing the bishop to e6. The variation is a regular guest at the very highest level. Magnus Carlsen has used it in recent years when a solid result with Black suited him.
The Kalashnikov Variation
Very similar to the Sveshnikov, the Kalashnikov comes from the same line, except that Black strikes with ...e5 before ...Nf6 and Nc3 have been inserted.
This time, though, the variation has a shakier reputation. Can you guess why? Because after Nb5 and c4 White sets up the famous Maroczy Bind, which was impossible against Sveshnikov's move order.
The Scheveningen Variation
Something very solid this time. Black places the central pawns on e6 and d6 and plays mainly on the queenside. The Scheveningen appears after the moves 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6.
By arranging the central pawns this way on the sixth rank, Black keeps the option of pushing ...d5 or ...e5 at the right moment, a real gain in flexibility. In return, White enjoys more space in this variation and can advance the f-pawn to f4 to grab more central control and begin an attack against the enemy king. Black is far from helpless though. The position is very healthy, the endgames tend to favor Black, and Black also has access to one of the most important themes of the entire Sicilian, the minority attack.
The minority attack in the Sicilian
The minority attack is not a concept that belongs to the Sicilian alone. You will also meet it in the Queen's Gambit and in the Caro-Kann Defense. It consists of pushing your pawns in the part of the board where you have fewer pawns than your opponent. The goal is to create a weakness inside the opposing pawn majority.
Here, Black pushes the a- and b-pawns forward.
One of the big points of this advance is to destabilize the defender of the e4 pawn, the knight on c3. The pressure against e4 can then be increased by placing the c8 bishop on b7. If Black ever manages to capture the e4 pawn, the center falls entirely under Black's control.
Another idea behind the push ...b5 is to strengthen Black's grip on the light square c4. A knight can then settle there, traveling for example from b8 through c6 and a5 before landing on c4. Supported by a rook on c8, that knight will be a monster.
So much for the main variations and the big ideas of the Sicilian Defense. Here is a little nod to Beth Harmon before we share our opinion on the best openings for players who are starting out.
Beth Harmon and the Sicilian
The Sicilian opening plays a starring role in the Netflix series The Queen's Gambit. It is the favorite opening of Beth Harmon and of Borgov, Beth's number one rival. A game of domination unfolds between these two champions around this very opening, with Beth hesitating to play her beloved Sicilian against the Russian champion.
The Most Famous Sicilian Games
Choosing among all the games of chess ever played is close to impossible. We have selected three famous Sicilians that left their mark on the history of the game. Play through the moves directly on the boards below.
Bobby Fischer and the Dragon
We begin with a magnificent game by Bobby Fischer.
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The way Bobby Fischer tore into Black's king position became a classic attacking technique.
Tal the magician and the Sicilian
We could hardly leave out the sacrifices of Mikhail Tal.
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A lovely miniature. Here too, the sacrifice of the g5 bishop, offered by the superb pawn thrust h4, is a classic of the genre. Notice as well the defensive technique used by Byrne, who tried to give material back in order to slow down Tal's attack. It was not enough. The black castled position is far too weak in the final position.
Kasparov's Sicilian
If one player owns the Sicilian, it is Garry Kasparov. Here he is at work with the black pieces against Nikitin, his chess coach. The game comes from a training match played in Moscow in 1981, a few years before his world championship battles with Anatoly Karpov.
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A fine victory for Black, which makes a change from the previous games. Notice the black maneuvers to place every piece on its best square, and the final combination.
To go one step deeper, if White had played 40.Qxe2, Kasparov intended a queen sacrifice on h2 followed by mate, with his knight landing on the dark square g3. The line runs 40...Qxh2+ 41.Nxh2 Ng3#.
Magnificent, right? We finish this article by giving you the best chess openings for players who are still learning the game.
The Perfect Openings for Amateur Players
Before going further on this theme, remember that a handful of broad chess opening principles govern the opening phase. By following those principles, you can find your way in the vast majority of openings.
You can also specialize, though, and understand in depth the big ideas of one specific opening. That is exactly what French champion Tigran Gharamyan teaches.
The Italian Game, for instance, is the perfect opening when you are starting out. Thanks to its harmonious piece development, it teaches you to play dynamically and to attack your opponent.
With the black pieces, two openings pair very well with it, the French Defense against 1.e4 and the Queen's Gambit Accepted against 1.d4. With these three openings you get an active, dynamic repertoire that lets you impose your own game on your opponents. It is in any case the repertoire we recommend when you are taking your first steps in chess.
Sicilian Defense FAQ
What is the Sicilian Defense in chess?
It is the reply 1...c5 to White's first move 1.e4. You will also come across the British spelling, Sicilian Defence, for the very same opening. Black refuses to copy White and instead controls the d4 square with a wing pawn, preventing the formation of the big e4 and d4 center. In exchange, Black falls behind in development. Each side makes a bet, and that imbalance is what makes the Sicilian so rich.
Is the Sicilian a good opening for a beginner?
It is fascinating but demanding. The theory is immense, the positions are sharp, and a single mistake costs you quickly. If you are new to chess, the French Defense is easier to handle against 1.e4. If the Sicilian still attracts you, start by understanding its ideas rather than memorizing moves.
Which Sicilian variation should you choose?
That depends on your style. The Najdorf is the richest and the most played at the top, but it is also the most theoretical. The Dragon produces spectacular attacking games with opposite-side castling. The Scheveningen is solid and flexible. The Sveshnikov accepts a weakness on d5 in return for active play. Choose the one whose positions you enjoy, because you will play those positions better.
Why is the Sicilian the favorite opening of champions?
Because it plays for a win with the black pieces. The position is unbalanced from the second move onward, which offers far more winning chances than a symmetrical defense. Fischer, Kasparov and Maxime Vachier-Lagrave made it their main weapon for precisely that reason.
How can White avoid the Sicilian?
White cannot prevent 1...c5, but White can refuse the Open Sicilian. The main Anti-Sicilians are the Rossolimo with the bishop coming out to b5, the Closed Sicilian with d3, the Alapin with c3, and the Morra Gambit, which offers a pawn to gain a lead in development.
What is the Maroczy Bind?
It is a white structure with pawns on e4 and c4. It grants a large space advantage, forces Black to play on three ranks, and above all prevents the freeing move ...d5. White often reaches it after exchanging the light-squared bishop, so that this bishop does not run into its own c4 pawn.
Test Your Sicilian Knowledge
Four quick questions to see how much of this has stuck.
Your Move
That was our complete guide to the Sicilian Defense. We hope it serves you well in your own games. If you feel like exploring further, here are some good next steps.
- Head back to our overview of the main chess openings to see where the Sicilian fits in
- Revisit the Maroczy Bind, White's favorite squeeze against several Sicilian move orders
- Discover the Caro-Kann Defense, a calmer way for Black to meet
1.e4
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