Chess Openings Lab
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Sicilian Defense: Dragon Variation, Classical Variation

The Classical Dragon is 6.Be2, a quiet bishop move instead of the Yugoslav setup. White aims for short castling and a positional game, while Black develops with ...Nc6 and ...Bg7 and looks for ...Ng4 or the ...d5 break.

Moves
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2
ECO
B70, B72, B73
Engine
+0.18 · level (Stockfish 17.1, depth 20)
Played
912 games in our lichess sample
White scores
50.4%

Key ideas for both sides

White

  • Follow with Be3, Qd2 and O-O, keeping the king safe and building slowly.
  • If Black plays ...Ng4, trade with Bxg4 and use Nd5, as in the main engine line.
  • Consider f4 and Bf3 later to support e4 and push on the kingside.
  • Against ...e5, retreat with Nb3 and use the d5 hole with Nd5 and Qd3.

Black

  • Play ...Nc6 and ...Bg7, then ...Ng4 to hit the e3 bishop before White castles.
  • The ...d5 break is easier here than in the Yugoslav, since White has no quick h-file attack.
  • Put a rook on c8 and play ...a6 and ...b5 for queenside space.
  • ...e5 is playable but leaves d5 weak; only push it if the knight on d4 must leave.

Plans and pawn structure

With the bishop on e2, White gives up the race and plays for structure. Black uses the time for ...Nc6, ...Bg7 and ...O-O, with ideas like ...Ng4 to trade off the e3 bishop or ...d5 to free the position. White plans short castling, f4 and sometimes Bf3, then a gradual kingside push. A Nd5 jump is common after Black spends time on knight moves. The fight is slower, so understanding beats memory.

Where the engine's main line heads: Dragon structure: ...d6 and ...g6. The Dragon structure: ...d6 and ...g6 with the bishop on g7 aimed down the long diagonal at White's queenside.

What the engine plays from here

Stockfish 17.1 at depth 20 rates the position +0.18: level. Its three top choices for Black:

  1. +0.18 6...Nc6 7.Be3 Bg7 8.Qd2 Ng4 9.Bxg4
  2. +0.19 6...Bg7 7.Be3 Nc6 8.Qd2 Ng4 9.Bxg4
  3. +0.62 6...e5 7.Nb3 Nc6 8.Qd3 a5 9.Be3

Pawns, from White's side.

How it scores on lichess

912 rated lichess games reached this position; White scored 50.4%.

1200–159954.2%
1600–199948.5%
2000 and up52.5%

Light: White wins. Grey: draws. Dark: Black wins. About the sample.

Where it goes next

  • Dragon Variation, Classical Variation, Tartakower Line6...Bg7 · rare

How to play against it

With Black, develop normally with ...Nc6 and ...Bg7, then use ...Ng4 against an early Be3 to grab the bishop pair. Look for ...d5 when it opens the long diagonal. Avoid ...e5 unless you are sure d5 will not become a permanent outpost for White's knight.

Other lines with this name

The lichess opening list also files these lines under the same name, though they reach a different position: 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2; 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6; 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Nb3.

Questions

What are the moves of the Sicilian Defense: Dragon Variation, Classical Variation?

The Sicilian Defense: Dragon Variation, Classical Variation starts 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2. Its ECO code is B70, B72, B73.

Is the Sicilian Defense: Dragon Variation, Classical Variation good for White?

Stockfish 17.1 rates the position +0.18 at depth 20, which is level. In 912 lichess games from our sample, White scored 50.4%. A good line for Black players who fear Yugoslav theory; White needs patience and good positional sense.

What is the main idea of the Sicilian Defense: Dragon Variation, Classical Variation?

White chooses a quiet setup with Be2 and short castling. Black gets easy development and can use ...Ng4 or ...d5 to equalize.

What should Black play next?

The engine's first choice is Nc6, with Bg7 and e5 close behind. 6...Nc6 develops toward d4 and prepares ...Ng4 if White plays Be3.

Updated October 2026. Sources and method.