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Sicilian Defense report from your own games

Sicilian Defense report from your own games

Stop guessing where you go wrong. We analyze your actual games to find your specific leaks in the Sicilian.

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Sample Report

Sicilian Defense Report

47 GAMESSample Data
Win Rate
53%

Performance vs Other Openings

Sicilian Defense53% Win
Other Openings48% Win

Key Insights

Pawn Structure
black
High Impact

Queenside Counterplay Underused in 62% of Najdorf Games

What this means
In 13 of your 21 Najdorf games, you delayed or omitted the standard ...a5-...a4 queenside expansion. When you skip this plan, your win rate drops to 38% compared to 71% when you execute it before move 20. White gains a free hand on the kingside without needing to worry about counterplay on the other flank.
How to improve
After completing development (...Be7, ...O-O, ...b5), immediately follow up with ...a5 and ...a4 to challenge White's queenside structure. Aim to open the a-file for your rook before White launches a kingside pawn storm. Study games by Kasparov in the Najdorf where ...a5 is played as early as move 10.
#queenside#najdorf#pawn-expansion
Attack Timing
white

Kingside Attacks Yield 73% Win Rate When f4-f5 Is Timed Correctly

What this means
As White in 14 Sicilian games, you played f4-f5 pushes in 8 of them. When played after completing development (Bd3, Qe2, O-O), you won 6 out of 8. However, in 3 games you pushed f5 prematurely before castling, losing 2 of those games to tactical counterstrikes on the e-file.
How to improve
Ensure your king is castled and your pieces are coordinated before launching f4-f5. A good checkpoint: the bishop should be on d3 or e2, the queen should not be blocking the f-pawn, and the knight should be ready to hop to d5 or f5. Premature f5 gives Black time for ...d5 breaks.
#kingside#f5-break#attack-timing
Central Breaks
High Impact

Missed d5 Breaks Cost an Estimated 4 Half-Points

What this means
Engine analysis across your Sicilian games identified 7 positions where a d5 break was strong but you played a different move. In 4 of those games, the evaluation swung by more than 1.5 pawns against you within 3 moves of the missed opportunity. This pattern appears both as White (Nd5 sacrifices) and as Black (...d5 central breaks).
How to improve
Train your pattern recognition for d5 breaks in the Sicilian. As Black, look for ...d5 when your e6 pawn is supported and White's pieces are not well-placed to capture. As White, Nd5 sacrifices are strong when Black's knight has left f6 or when you have pieces aimed at the kingside. Practice 10 puzzle positions featuring Sicilian d5 themes.
#d5-break#central-play#missed-tactics

Top Variations

1
Najdorf Variation
21 games
2
Dragon Variation
15 games
3
Alapin Variation
11 games

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What we analyze in your Sicilian Defense games

Your handling of the d6/e6 pawn structures and central tension

Your ability to execute standard exchange sacrifices on c3

Your defensive resilience against white's kingside pawn storms

Your win rate in sharp, opposite-side castling positions

Your timing of the d5 central break

Success rate in theoretical endgames specific to the Sicilian

Learn This Opening

Play through the main line move by move

1.pawn to e4 (e4) pawn to c5 (c5)

Les Noirs défient immédiatement le pion central des Blancs depuis le flanc, créant une position asymétrique. Contrairement à 1...e5, le pion c5 empêche les Blancs d'établir un centre de pions parfait avec d4.

Opponent is playing…
1.e4c52.Nf3d63.d4cxd44.Nxd4Nf65.Nc3a66.Be3e57.Nb3Be68.f3

Key Positions to Know

Critical concepts every Sicilian Defense player should understand

The d5 Outpost

In the Open Sicilian, d5 is the most critical square. White aims to plant a Knight here, creating lasting pressure. If Black allows Nd5 without the ability to capture, the position often becomes difficult.

The Pawn Race

Opposite-side castling is a hallmark of the Open Sicilian. Both sides launch pawn storms against the enemy king. Tempo is everything — the first player to open lines usually wins.

The ...Rxc3 Sacrifice

A legendary Sicilian theme. Black gives up the exchange (rook for knight) on c3 to shatter White's pawn structure and gain long-term compensation with the bishop pair and weak pawns to target.

Strategic Plans

♔
White's Plans

  • •Ouvrir le centre avec d4 et se développer rapidement
  • •Roquer côté dame et lancer une attaque à l'aile roi avec g4-g5
  • •Contrôler la case d5 et empêcher les ruptures centrales des Noirs
  • •Dans l'Étau de Maroczy, maintenir la chaîne c4-e4 pour restreindre les Noirs
  • •Échange dark-squared bishops to weaken Black's aile roi
  • •Create tactique opportunities with pièce sacrifices on clé squares

♚
Black's Plans

  • •Contrer au centre avec les ruptures ...d5 ou ...e5
  • •Générer un contre-jeu à l'aile dame avec ...a6, ...b5 et ...Db6
  • •Contrôler la colonne c semi-ouverte avec les tours et presser c2
  • •Dans le Dragon, attaquer le roi Blanc sur la grande diagonale
  • •Trade pièces when behind in développement or espace
  • •Create tactique threats against White's extended structure de pions
  • •In the Najdorf, prepare ...e5 to gain central espace

Key Variations

Explore the most important branches and transpositions in the Sicilian Defense.

Variante Najdorf

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

La variante la plus populaire et complexe. Les Noirs jouent ...a6 pour empêcher Cb5 et préparer l'expansion à l'aile dame. Les Blancs ont de multiples plans incluant l'Attaque Anglaise, l'Attaque Rauzer et la Grande Ligne.

Variante Dragon

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

L'une des lignes les plus tranchantes. Les Noirs fianchettent le fou sur la grande diagonale. L'Attaque Yougoslave mène souvent à des roques opposés et des marées de pions mutuelles.

Variante Sveshnikov

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5

Les Noirs acceptent des faiblesses structurelles (trou en d5, pion arriéré en d6) en échange d'un jeu de pièces actif et du contrôle de cases clés.

Sicilienne Fermée

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3

Les Blancs évitent la complexité de l'Ouverte. Cela mène à un jeu lent et stratégique avec une attaque à l'aile roi programmée. Populaire pour éviter la théorie.

Variante Alapine

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3

Un système anti-Sicilien où les Blancs visent un d4 rapide. Les Noirs doivent savoir gérer un désavantage d'espace et casser avec ...d6.

Dragon Accéléré

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6

Les Noirs omettent ...d6 pour gagner un tempo et minimiser l'Attaque Yougoslave. Cependant, cela autorise l'Étau de Maroczy avec c4.

Opening Statistics

Original research from 35,607 real amateur games — data you won't find anywhere else.

Avg. Game Length
—awaiting data
Underdog Wins
—awaiting data
Quick Finishes
—awaiting data
Endgame Reach
—awaiting data
White's Edge
-2.6%
Favors BlackEqualFavors White

At 1200-1400

📊White's edge is 2.6% — Black actually scores better at this level.

How This Opening Changes as You Improve

RatingGamesWhite's Edge
800-10003,304
-3.8%47 /0 /51
1000-12005,306
-2.8%47 /0 /50
1200-14007,165
-2.6%47 /0 /50
1400-16009,000
-2.1%48 /0 /50
1600-180010,832
-1.3%48 /0 /49

Based on 35,607 games · Updated March 2026

Why Play the Sicilian Defense?

Plus Haut Taux de Victoire pour les Noirs

Les analyses montrent que la Sicilienne offre aux Noirs les meilleures chances pratiques de jouer pour le gain contre 1.e4, avec de meilleurs résultats que les défenses symétriques.

Positions Déséquilibrées

La structure de pions asymétrique crée des positions déséquilibrées où les deux camps peuvent jouer pour le gain. C'est idéal pour les joueurs qui aiment la lutte dynamique.

Avantages Théoriques Immenses

Les variantes bien étudiées permettent de sur-préparer les adversaires. La théorie niveau GMI offre de profondes ressources pour les lignes majeures.

Jeu de Pièces Actif

Les Noirs obtiennent un développement actif et contrôlent souvent la colonne c semi-ouverte. La majorité de pions à l'aile dame donne des avantages stratégiques à long terme.

Common Traps

Watch out for these dangerous tactical pitfalls

Piège Magnus Smith

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 g6?? 7.Nxc6 bxc6 8.e5!

Le fianchetto prématuré perd rapidement. Après 8...dxe5 9.Fxf7+! Rxf7 10.Dxd8, les Blancs ont gagné la dame.

Piège Halasz

1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.Nxe5?? Qa5+

Les Blancs attrapent goulûment le pion non défendu. Après ...Da5+, les Noirs fourchent le Roi et le cavalier en e5.

Piège Sibérien (Gambit Smith-Morra)

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Qc7 7.O-O Nf6 8.Qe2 Ng4 9.h3?? Nd4!

La bourde h3 entre dans une ligne matante. 9...Cd4! attaque la dame Blanche et, en cas de capture (10.Cxd4), les Noirs font mat par 10...Dh2#.

Le Pion Empoisonné

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2?

Prendre en b2 est théoriquement passionnant mais mortel s'il n'est pas vu professionnellement. Après 9.Tb1 Da3 10.f5!, les Blancs ont une attaque extrêmement venimeuse.

Beginner Tips

💡

Commencez par la Sicilienne Classique (2...d6) ou Taimanov (2...e6) - elles sont plus clémentes que la Najdorf ou le Dragon

💡

Avec les Blancs, la Fermée (2.Cc3) ou l'Alapine (2.c3) évitent la théorie lourde de la grande ligne

💡

Cherchez toujours les ruptures : ...d5, ...e5 pour les Noirs, et d5, e5 pour les Blancs

💡

Comprenez les structures (Étau de Maroczy, la structure du Dragon) plutôt que d'apprendre des coups par cœur

💡

Study typique tactique motifs: cavalier forks on d5, fou sacrifices on h7/h2, and tour lifts

💡

Learn one variante deeply rather than trying to memorize everything - the Sicilian has more theory than any other ouverture

💡

Understand pion structures (Maroczy Bind, Dragon structure, etc.) rather than just memorizing moves

💡

Black should typically aim for pièce activité over matériel - the ouverture favors dynamique play

Common Sicilian patterns we detect

We automatically check if you fall for these specific traps.

About the Sicilian Defense

The Sicilian Defense (1. e4 c5) is the most popular and best-scoring response to White's first move 1. e4. It is an aggressive opening that immediately unbalances the position, fighting for the center and leading to complex, tactical battles.

We analyze your games specifically looking for common Sicilian themes: d6/e6 structure fluidity, the minority attack, exchange sacrifices on c3, and weak d5 squares. Our engine identifies where you deviate from typical winning plans.

openings.page.sections.keyThemes

Structure de pions asymétriqueLutte pour le centreComplications tactiquesAttaques avec roques opposésContre-jeu dynamiqueMilieux de partie complexes

Frequently Asked Questions

Common questions about Sicilian Defense analysis

The Sicilian Defense begins with 1. e4 c5. Rather than mirroring White's pawn with 1...e5, Black responds asymmetrically — the c5 pawn contests the d4 square from the side without allowing White to build a perfect pawn centre. After 2. Nf3 and 3. d4 cxd4 4. Nxd4, the Open Sicilian is reached: Black has traded the c-pawn for White's d-pawn, gaining a queenside majority while White obtains central control and faster development.
Black's strategy in the Sicilian is fundamentally asymmetric. On the queenside, Black generates counterplay with ...a6, ...b5, and pressure along the semi-open c-file. In the centre, Black aims for the thematic ...d5 or ...e5 breaks to challenge White's central pawns. In most sharp lines, the position features opposite-side castling: White attacks down the kingside with g4-g5, while Black attacks with ...b5-b4 and rook pressure down the c-file.
The Najdorf is the most popular and theoretically rich variation of the Sicilian. After 5...a6, Black prevents Nb5 and prepares queenside expansion with ...b5. White has multiple attacking plans: the English Attack (Be3, f3, Qd2, O-O-O), the Classical (Be2, O-O), and the aggressive 6. Bg5. The Najdorf was Fischer's signature weapon and remains Carlsen's and Anand's choice at the elite level.
The Dragon is one of the sharpest lines in chess. Black fianchettos the dark-squared bishop on g7, pointing it down the a1-h8 diagonal. The Yugoslav Attack (Be3, f3, Qd2, O-O-O) leads to a high-stakes race: White pushes h4-h5 for a kingside mating attack, while Black counters with ...Rb8 and ...b5-b4, attacking White's king. A single misstep by either side can be immediately decisive.
The Sveshnikov is a fighting choice where Black plays 5...e5, kicking the knight and claiming central space. The cost is a permanent hole on d5 and a backward d6 pawn. In return, Black gets active piece play with ...Be7, ...O-O, and queenside pressure via ...b5 and ...Bb7. Named after GM Evgeny Sveshnikov, this variation has been championed at World Championship level.
The Alapin (2. c3) is an anti-Sicilian system where White aims to establish a strong pawn centre with d4 without allowing Black into the Open Sicilian mainlines. After 2...Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3, Black faces a space disadvantage but can fight back with ...d6 or ...e6 breaks. Popular at club level as it sidesteps deep theory while maintaining genuine winning chances.
One of the most dangerous traps is the Magnus Smith Trap: after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4, if Black plays the natural-looking 6...g6??, White wins immediately with 7. Nxc6 bxc6 8. e5! — opening devastating lines. If Black takes the pawn, 9. Bxf7+ strips the king. Black must play 6...Qb6 or 6...e6 to avoid this.
White's most principled response is the Open Sicilian (2. Nf3 followed by 3. d4), which offers the best winning chances but requires deep theoretical knowledge. Players who want to avoid heavy theory can use the Alapin (2. c3), the Closed Sicilian (2. Nc3 followed by g3), or the Grand Prix Attack (2. Nc3 3. f4). Each of these anti-Sicilian systems offers a solid setup while sidestepping Black's main preparation.

Famous Games

KasparovvsTopalov
Wijk aan Zee 19991-0

L''Immortelle' de Kasparov. Kasparov a sacrifié pièce après pièce dans une Najdorf pour une chasse au roi spectaculaire d'un bout à l'autre de l'échiquier.

FischervsTaimanov
Match des Candidats 1971 (Partie 1)1-0

Fischer a écrasé Taimanov 6-0. Cette partie en Sicilienne Paulsen a montré comment l'étau positionnel de Fischer dominait les structures siciliennes.

AnandvsShirov
Wijk aan Zee 20041-0

Un chef-d'œuvre tactique dans la Sveshnikov. Le sacrifice 24.Txe6! d'Anand a prouvé la nature tactique meurtrière du plus haut niveau.

ByrnevsFischer
US Championship 1963-640-1

Le fameux sacrifice de dame de Fischer. Bien que dérivée d'une Grünfeld, elle transposa dans des structures siciliennes.

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