Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line (9. Bc4 Bd7)

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 Bd7

Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line 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 Bd7 87654321abcdefgh

The Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line is a chess opening classified as ECO B77, reached 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 Bd7. It is a line of the Sicilian Defense. White is to move. 3 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 296 times by this move order. White won 54%, 6% were drawn and Black won 40%. The most popular continuation is 10. O-O-O (71% of games).

Engine evaluation: +0.35 (Stockfish, depth 47; best line 10. O-O-O Rb8 11. Bb3 Na5 12. Kb1 b5)

ECO
B77
Moves
18 plies
FEN
r2q1rk1/pp1bppbp/2np1np1/8/2BNP3/2N1BP2/PPPQ2PP/R3K2R w KQ - 5 10
PGN
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 Bd7

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14991688%13%
1500-19997260%39%
2000+20850%43%
All29654%40%

Most played moves

MoveGamesWhite / draw / Black
10. O-O-O
Dragon Variation, Yugoslav Attack (9… Bd7 10. O-O-O)
211 (71%)56%39%
10. Bb3
Dragon Variation, Yugoslav Attack, Main Line (9… Bd7 10. Bb3)
36 (12%)53%39%
10. h435 (12%)40%54%
10. g48 (3%)50%12%38%
10. O-O4 (1%)75%25%
10. Nxc61 (0%)100%
10. a31 (0%)100%

Master games

269 over-the-board games are classified under this line (White 60%, draw 13%, Black 27%). The strongest:

Search all games of the Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line (8… Nc6 9. Bc4) 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

Continuations

More Sicilian Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.