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Learn the Sicilian Defense

Black vs 1.e4 · B20–B99

Your goal: play the Sicilian Defense from memory as Black — keep every move right for two weeks and it's mastered.
Choose a line — start with the main line
Watch the moves · play them from memory · spar: play the opening out against the computer.
You'll play Black — watch each move, I'll explain.
Intro
1. e41… c52. Nf32… d63. d43… cxd44. Nxd44… Nf65. Nc35… a6

What you're training

Answer 1.e4 with 1...c5, trade the c-pawn for White's d-pawn to open the c-file, then develop and play for active counterplay on the queenside while watching the centre. The shown line is the Najdorf, the Sicilian's most respected main line.

Strengths
  • ...c5 fights for the centre from the side: Black aims to trade the c-pawn for White's d-pawn and gain the half-open c-file for the rooks.
  • Black willingly gives White a space and development lead in exchange for a sound pawn structure and long-term queenside chances.
  • The half-open c-file is Black's highway — rooks and a queen pressing down it, often with ...Rc8 and pressure on c2 or the c3-knight.
  • In the Najdorf, the small move ...a6 stops White's pieces using b5 and quietly prepares ...e5 or ...b5 to expand and take the initiative.
Watch out for
  • Don't drift into passivity: the Sicilian is about counterplay, so a Black setup with no active plan on the queenside just hands White a free attack.
  • Be careful castling kingside if White has stormed pawns up with f3, g4, h4 — know when to delay castling or castle into the safer side.
  • Avoid grabbing loose pawns (like the b2-pawn) too early and falling behind in development while White's pieces pour out.

Learn the moves above, play them from memory, then spar the Sicilian Defense as Black against the computer — the moves you miss come back for review until you know them by heart. Want the full ideas, plans and FAQs? See the Sicilian Defense guide.