Sicilian Defense: Classical Variation
Black develops both knights toward the center before choosing the bishop setup. White can develop with a pin or choose a quieter arrangement; compare how each choice affects the central pawns.
Your plan as White
Develop quickly and decide whether to open the center with d4 or choose a specific anti-Sicilian structure.
The opponent’s plan
The c-pawn challenges d4 from the flank. In open lines, use the semi-open c-file and prepare central counterplay.
Watch out: A kingside pawn storm needs a concrete calculation of threats. Black's queenside activity can arrive first.
Opening game…
Practice this line as White.
Play three moves from the line you watched. Hints draw an arrow on the board. Complete a fresh attempt without hints or retries to pass.
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Name, background and sources
Polerio recorded the Sicilian in 1594. Much later, Fischer and Kasparov were among the champions who helped establish its fighting reputation.
Read the opening background on Chess.com ↗Lichess opening names and reference lines (CC0)
ChessSum provides original explanatory notes. Related lines are labeled separately. Reference lines illustrate ideas; they are not a claim that every other legal move is wrong.
Watch how the center and piece development change. Each arrow previews the next move.