The Dragon Variation, Classical Variation, Bernard Defense is a variation of the Sicilian Defense, catalogued as ECO B74. The line runs 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5, reaching the position shown below after 26 half-moves.
Both sides have pawns in the centre (White on e4, Black on d5), and two pawn captures are available, so the structure is still fluid. Development is level at four minor pieces each. It is White to move after 13 moves. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank; the c-file file is fully open.
On the Sicilian Defense generally: The most popular and aggressive response to 1.e4. Black fights for the center asymmetrically, leading to rich tactical play.
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The Dragon Variation, Classical Variation, Bernard Defense goes 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5. It is a variation of the Sicilian Defense and is catalogued as ECO B74.
The Dragon Variation, Classical Variation, Bernard Defense is ECO B74. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Sicilian Defense.
Stockfish evaluates the position after 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5 at +0.69 at depth 18, which is a small but real edge for White. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
Both sides have pawns in the centre (White on e4, Black on d5), and two pawn captures are available, so the structure is still fluid. Development is level at four minor pieces each. It is White to move. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank; the c-file file is fully open.