

Starting from 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0-0 8.Qd2 Nc6 9.Bc4 Bd7 10.0-0-0, players enter the Sicilian Defense: Dragon Variation, Yugoslav Attack (10.0-0-0) — ECO B78. Lichess records 442,044 games in this line, which gives us a reliable view of how it actually performs in practice.
History and Notable Players
It arises from the Sicilian Defense: Dragon Variation, Yugoslav Attack, Byrne Variation. Among the most prolific White practitioners are Sandor Farago (20 games), Krisztian Szabo (13 games), Vasilios Kotronias (12 games). Black-side regulars include Evarth Kahn (29 games), Miso Cebalo (27 games), Sandor Farago (23 games).
Performance Across Rating Levels
The picture changes a lot as you climb the rating ladder. Among 1200-rated players, it appears in 0.00% of games — 3,323 of them on record — with White winning 49.7% and Black 45.3%. By 1800, popularity is 0.01% and White's score is 49.8% to Black's 45.9%. Among 2500-rated players the line appears in 0.05% of games and draws spike to 7.8%, indicating tight preparation. White's edge erodes by 3.6pp from 1200 to 2500 Elo, suggesting Black's counterplay is easier to find with experience.
Time Control Patterns
The Sicilian Defense: Dragon Variation, Yugoslav Attack (10.0-0-0) skews toward blitz chess. In bullet, it appears in 0.01% of games (154,285); White wins 48.3%. Blitz shows 0.01% adoption across 385,389 games, White scoring 47.2%. In rapid, the share rises to 0.01% — 56,655 games, White 48.5%.
Move Diversity and Theory Depth
Move choice is far from uniform in the Sicilian Defense: Dragon Variation, Yugoslav Attack (10.0-0-0). At 1200 Elo, the top reply is Rc8, played 60% of the time. There are 3 other moves seeing meaningful share, and 77.5% of games stick to established theory. Entropy: 2.19. By 2500, Rc8 dominates at 56.8% of replies; only 4 viable alternatives remain and 83.1% of moves are theory. Entropy drops to 1.96.
Historical Trends
Year-over-year data tells you whether this opening is a contemporary fixture or a fading one. Adoption peaked in 2020 at 0.015% (85,151 games). By 2025 it sits at 0.006%, 57% below the peak but still 64% above its 2013 level, so the line is up over the full period despite easing from the high.
Main Lines and Variations
After 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0-0 8.Qd2 Nc6 9.Bc4 Bd7 10.0-0-0, the established follow-ups are:
Each branch leads to a different middlegame character — the resulting pawn structure decides what kind of game you get.
Common Mistakes
- Neglecting development — It can feel productive to make extra pawn moves early, but falling behind in piece development is what loses most amateur games — especially in open positions where active pieces find squares fast.
- Ignoring the kingside attack — In sharp Sicilian lines, White typically castles long and pushes the h-pawn. Without your own counterplay on the queenside or in the centre, White's attack lands first.
Practice on Chessiverse
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