Opening · ECO B92
Sicilian Defense — Open
The fighting reply of world champions: Black plays for the win from move one by refusing to mirror White.
| # | White | Black |
|---|---|---|
| 1. | e4 | c5 |
| 2. | Nf3 | d6 |
| 3. | d4 | cxd4 |
| 4. | Nxd4 | Nf6 |
| 5. | Nc3 | a6 |
| 6. | Be2 | e5 |
Black unbalances the game with …c5 and the Najdorf …a6, then …e5 grabs space at the cost of the d5-hole.
The idea
The Sicilian Defence answers 1.e4 with 1…c5, declining a symmetrical game. By trading a flank pawn for White’s central d-pawn, Black gets a half-open c-file, a queenside pawn majority and rich, unbalanced play. The Najdorf Variation — reached via …d6, …Nf6, …a6 — is the most celebrated of all, the choice of Fischer and Kasparov, prized for its flexibility and razor-sharp counterattacking chances.
Main line explained
After 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 (the Najdorf move, controlling b5 and preparing …e5 or …e6), White chooses the calm, classical 6.Be2. Black immediately stakes a claim in the centre with 6…e5, hitting the d4-knight and grabbing space. The knight retreats and both sides castle into a tense, double-edged middlegame.
Plans for both sides
White: White enjoys a lead in development and space, and steers play toward the d5-square and the f-file. Standard ideas are Nb3, O-O, Be3, and f4 (or a slower Bg5/Bf3 plan), building pressure on the backward d6-pawn and the d5 outpost while keeping an eye on a kingside attack.
Black: Black’s trumps are the half-open c-file, the queenside majority and the pair of bishops after …Be6/…Be7. Play often revolves around …Be6, …Nbd7, …b5 with a queenside pawn storm, contesting the d5-square so White can never plant a knight there for free.
A common trap to avoid
The move 6…e5 concedes the d5-square and leaves d6 backward — that is the deal Black accepts for activity. The mistake to avoid is treating d5 casually: if Black allows White to install a piece there permanently (and trades away the wrong defender of that square), the position can quietly go from dynamic to strategically lost. Keep a piece that fights for d5.
Who it suits
Ambitious players who want to play for a win with Black and are willing to walk a knife-edge. The Najdorf rewards deep understanding and sharp calculation more than almost any other opening.
In this line you play Black. The board above shows the position reached after 6...e5.