B77

Sicilian Defense: Dragon Variation, Yugoslav Attack 9. Bc4 Bd7

Chess diagram: Sicilian Defense: Dragon Variation, Yugoslav Attack after 9…Bd7

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Statistics from Lichess

610,897 games: White 47.4% / Draw 5.2% / Black 47.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
B78 413,806414K
Main Line 75,22075K
68,76869K
27,60728K
10,17410K
5,4775,477
2,8132,813
2,3752,375

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

+0.46 White is slightly better

Best play: 10. O-O-O Rc8 11. Nxc6 Bxc6 12. Bb3 a5 13. a4 Qe8 14. Qe2 Nd7

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

By rating

The stronger the players, the better this line does for Black: Black scores 47% under 1400, 51% at 2200 and up and 41% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 4,978
1400–1799 64K
1800–2199 377K
2200 and up 183K
Masters, over the board 5,394

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Sicilian Defense: Dragon Variation, Yugoslav Attack (ECO B77, Semi-Open Games) is a variation of the Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line, 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 (9 moves).

In 610,897 rated Lichess games between players rated 1600 to 2500, White won 47.4%, Black 47.3% and 5.2% were drawn. White's most played move here is 10. O-O-O, in 68% of those games.

It branches into 3 named variations; the most played is Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line. In all, 7 named lines continue from it.

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How to answer 9…Bd7

10. h4 scores best for White: 53.8%, with White winning 51.2% and Black 43.5% of 69K games. The most played answer, 10. O-O-O, scores lowest: 49.5% in 414K games. Stockfish's first choice is 10. O-O-O.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Popularity by year

This line has lost ground since 2016: 0.017% of Lichess games in 2025, down from 0.03% (its peak: 0.036% in 2018).

Numbers by year
YearShare of gamesGames
20160.03%10,633
20170.034%18,528
20180.036%28,617
20190.031%38,519
20200.036%105,518
20210.027%105,047
20220.022%81,376
20230.019%72,021
20240.018%66,214
20250.017%58,107
2026 (Jan–Apr)0.016%17,777

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Variations (3)

All 7 named lines that continue from here

Cite this page

Caissa Codex. “Sicilian Defense: Dragon Variation, Yugoslav Attack (B77)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/sicilian-defense-dragon-variation-yugoslav-attack-3