Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line

B741.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.0-0 0-0 9.Nb3
Jan 8, 2028
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TL;DR

Nb3 anchors the queenside and prepares f4 to break the position open in the Classical Dragon. Less violent than the Yugoslav but still demanding — pure positional chess with concrete plans, where the d5-outpost and the c-file usually settle matters.

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IM John BartholomewCo-Founder & Chess Educator

International Master and chess educator. Co-founded Chessable and joined Chessiverse as co-founder. Best known for his "Climbing the Rating Ladder" YouTube series and structured opening courses.

Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: A Complete Guide
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line - Opening Moves
Summary

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.0-0 0-0 9.Nb3 opens the Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line, ECO B74. With 82,666 games on record, the patterns below come from the largest practical sample available.

History and Notable Players

It arises from the Sicilian Defense: Dragon Variation, Classical Variation. On the White side, Praveen Mahadeo Thipsay (19 games), Vladimir Gurevich (16 games), Joan Fluvia Poyatos (14 games) top the database. Notable Black exponents: Ponnuswamy Konguvel (12 games), Alexander Khalifman (7 games), Bernardo Roselli Mailhe (7 games).

Performance Across Rating Levels

The picture changes a lot as you climb the rating ladder. At 1200 Elo, the opening shows up in 0.00% of games (466 samples). White scores 48.7%, Black 46.4%, draws 4.9%. By 1800, popularity is 0.00% and White's score is 50.7% to Black's 44.2%. At 2500, 0.01% of games go into this opening; draws sit at 8.2% — the line is well-mapped at this level. White's edge erodes by 3.3pp from 1200 to 2500 Elo, suggesting Black's counterplay is easier to find with experience.

Move Diversity and Theory Depth

Move choice is far from uniform in the Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line. At 1200 Elo, the top reply is a6, played 26% of the time. There are 4 other moves seeing meaningful share, and 67.8% of games stick to established theory. Entropy: 2.93. By 2500, Be6 dominates at 49.7% of replies; only 4 viable alternatives remain and 85.5% of moves are theory. Entropy drops to 2.05. The narrowing is significant — strong players consolidate around a small set of best moves, while amateurs scatter across many plausible-looking options.

Common Mistakes

  • Neglecting development — Extra pawn moves in the opening are tempting, especially when you "know the moves". Developing a piece each turn is the simple correction.
  • 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.

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Quick Facts

Main Line1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.0-0 0-0 9.Nb3
FENr1bq1rk1/pp2ppbp/2np1np1/8/4P3/1NN1B3/PPP1BPPP/R2Q1RK1 b - - 7 9
DifficultyExpert
Style

Aggressor openings create immediate tension and look for direct attacks. These lines are designed to put pressure on the opponent from the very first moves, often leading to unbalanced positions.

82,666games on Lichess
48.8%
6.3%
44.9%
White wins Draws Black wins

Data from Lichess opening explorer (blitz & rapid)

Most Popular At2200
SharpnessVery Sharp

Popularity by Rating

Percentage of all games at each rating bracket that feature this opening.

Data from Lichess opening explorer (blitz & rapid games)

Theory Adherence by Rating

How often players choose the single most popular move at this position. Higher = more predictable play.

Black to move after the opening line

Popularity Over Time

Share of all Lichess blitz + rapid games featuring this opening, by year.

Top Moves by Rating

Black to move after the opening line

RatingMost Popular2nd3rd
4009...Be658.8%9...a611.8%9...Re85.9%
10009...Be631%9...a616.1%9...Bd714.9%
12009...a626%9...Be624.4%9...Bd717.3%
14009...a627.4%9...Be623.4%9...Bd718.9%
16009...a632.2%9...Be622.6%9...Bd721.8%
18009...a631.7%9...Be627.9%9...Bd721.6%
20009...Be637.5%9...a623.8%9...Bd719.6%
22009...Be646.9%9...a617.5%9...a514.7%
25009...Be649.7%9...a619.4%9...a516.4%

Popularity by Time Control

Bullet
<0.01%40K
Blitz
<0.01%74K
Rapid
<0.01%9K
3% more decisive in bullet
Raw data tables (Lichess blitz + rapid)
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: popularity and win rates by player rating
Rating (Elo)Share %GamesWhite win %Black win %Draw %Sharpness
4000.001758.841.20.01.000
10000.009455.336.28.50.915
12000.0046648.746.44.90.951
14000.001,62552.842.84.40.956
16000.006,30051.244.04.80.952
18000.0018,38150.744.25.10.949
20000.0130,32248.945.16.00.940
22000.0123,73646.645.57.90.921
25000.011,72545.446.48.20.918
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: move-choice theory adherence by rating
Rating (Elo)Top moveTop move %Viable movesTheory %Entropy
4009...Be658.8776.52.016
10009...Be631.0562.12.970
12009...a626.0467.82.933
14009...a627.4569.72.864
16009...a632.2576.52.658
18009...a631.7481.22.488
20009...Be637.5480.92.363
22009...Be646.9479.12.183
25009...Be649.7485.52.046
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: popularity over time
YearShare %GamesWhite win %Black win %Draw %
20130.003762.232.45.4
20140.0021256.637.36.1
20150.0065751.044.74.3
20160.001,59550.344.55.2
20170.002,76149.745.05.3
20180.004,53849.444.76.0
20190.005,99548.345.76.1
20200.0015,26949.044.07.0
20210.0014,30448.844.66.6
20220.0011,60549.544.85.7
20230.0011,13849.044.86.2
20240.0010,28447.546.26.3
20250.0010,11047.845.86.3
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: popularity by time control
FormatShare %GamesWhite win %Black win %Draw %Sharpness
bullet0.0040,07449.645.94.50.955
blitz0.0074,05448.845.16.10.939
rapid0.008,61249.342.97.80.922
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: top candidate moves by rating bracket
Rating (Elo)1st move1st %2nd move2nd %3rd move3rd %
4009...Be658.89...a611.89...Re85.9
10009...Be631.09...a616.19...Bd714.9
12009...a626.09...Be624.49...Bd717.3
14009...a627.49...Be623.49...Bd718.9
16009...a632.29...Be622.69...Bd721.8
18009...a631.79...Be627.99...Bd721.6
20009...Be637.59...a623.89...Bd719.6
22009...Be646.99...a617.59...a514.7
25009...Be649.79...a619.49...a516.4
Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line: top practitioners by side
SidePlayerGames
WhitePraveen Mahadeo Thipsay19
WhiteVladimir Gurevich16
WhiteJoan Fluvia Poyatos14
BlackPonnuswamy Konguvel12
BlackAlexander Khalifman7
BlackBernardo Roselli Mailhe7
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Guided Play

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Frequently Asked Questions

Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line

What is this opening?

This opening begins with 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.0-0 0-0 9.Nb3 and is classified under ECO code B74.

Is this opening suitable for beginners?

This opening involves significant theoretical preparation and sharp tactical play. While beginners can learn the basic ideas, it is more commonly recommended for intermediate and advanced players who are willing to invest time in studying specific lines. For practice, our lower-rated bots offer a forgiving environment to learn the patterns.

What are the win rates for this opening?

In a database of 82,666 games, White wins 48.8% of the time, Black wins 44.9%, and 6.3% are drawn. Notable players on the White side include Praveen Mahadeo Thipsay and Vladimir Gurevich. On the Black side, Ponnuswamy Konguvel and Alexander Khalifman are among the most frequent practitioners.

How can I practice this opening?

On Chessiverse, you can practice this opening by playing against our 600+ AI bots. Each bot has a unique playing style and opening repertoire, so you can find the perfect sparring partner for any level.

Sources

Brought to you by

IM John Bartholomew
IM John BartholomewCo-Founder & Chess Educator

International Master and chess educator. Co-founded Chessable and joined Chessiverse as co-founder. Best known for his "Climbing the Rating Ladder" YouTube series and structured opening courses.

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