The Yugoslav Attack is a variation of the Sicilian, Dragon Variation, catalogued as ECO B77. The line runs 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4, reaching the position shown below after 17 half-moves.
White holds the centre with pawns on e4. Development is level at four minor pieces each. It is Black to move after nine moves. Black has castled while White’s king is still uncommitted.
On the Sicilian, Dragon Variation generally: One of the sharpest openings in chess. Black fianchettoes the bishop to g7 creating a 'dragon' formation. The Yugoslav Attack leads to opposite-side castling and mutual attacks.
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The Yugoslav Attack goes 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4. It is a variation of the Sicilian, Dragon Variation and is catalogued as ECO B77.
The Yugoslav Attack is ECO B77. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Sicilian, Dragon Variation.
Stockfish evaluates the position after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 at +0.44 at depth 18, which is a slight pull for White, within normal opening margins. 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.
White holds the centre with pawns on e4. Development is level at four minor pieces each. It is Black to move. Black has castled while White’s king is still uncommitted.