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Sicilian Defense · As White · updated October 2026

Play against the Sicilian like Dau Khuong Duy

A repertoire against the Sicilian built from 271 of Dau Khuong Duy's public Chess.com blitz games. At every position you play the move Dau Khuong Duy chose most often. Where Dau Khuong Duy has fewer than 3 games, the course takes the other top-50 players' most played move, then Stockfish's. Learn a line on the board, then each position comes back in a short daily review until it sticks.

Not affiliated with or endorsed by Dau Khuong Duy or Chess.com.

  • Dau Khuong Duy was #44 in Chess.com blitz in October 2026 (3,204) and scored 66% against opponents averaging 2,983 in these games.
  • You play Dau Khuong Duy's own move in 24 of 40 positions.
  • The whole course is free, and it is updated monthly.

Train lines

Learn a new line move by move. Lines due for review go to your daily review first.

Next: line 1

Free · first 5 lines need no account

Blitz rank

#44

Chess.com

Rating

3,204

Games

271

in this opening

Score

66%

in these games

Opponents

2,983

average rating

More about Dau Khuong Duy

Use arrow keys to navigate the board. Press Enter to select a piece, then use arrow keys and Enter to move. Press Escape to cancel a move.
Line 1 after 11 moves

Lines to learn

  1. Line 1 · 18% at top level

    2.Nf3 d6 3.c3 Nf6 4.h3 g6 5.Bd3 Bg7 6.O-O O-O 7.Bc2

    Next

  2. Line 2 · 7% at top level

    2.Nf3 e6 3.c3 Nf6 4.Bd3 Nc6 5.Bc2

    New

  3. Line 3 · 6% at top level

    2.Nf3 g6 3.c3 d5 4.e5 Bg4 5.Qa4+ Qd7 6.Qxd7+

    New

  4. Line 4 · 6% at top level

    2.Nf3 e6 3.c3 d5 4.e5 Nc6 5.g3

    New

  5. Line 5 · 5% at top level

    2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 dxc6 5.d3 Bg7 6.h3

    New

  6. Line 6 · 5% at top level

    2.Nf3 d6 3.c3 Nf6 4.h3 g6 5.Bd3 e5 6.O-O

    New

  7. Line 7 · 4% at top level

    2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.Re1

    New

  8. Line 8 · 4% at top level

    2.Nf3 e6 3.c3 d5 4.e5 d4 5.g3 Nc6 6.d3 dxc3 7.bxc3 Qc7 8.Qe2 b6 9.Bg2 Bb7 10.O-O Nge7 11.Nbd2 Nf5 12.Ne4

    New

  9. Line 9 · 3% at top level

    2.Nf3 d6 3.c3 Nf6 4.h3 Bd7 5.Bd3 Bc6 6.Qe2 Nbd7 7.Bc2

    New

  10. Line 10 · 3% at top level

    2.Nf3 d6 3.c3 Nf6 4.h3 Bd7 5.Bd3 Nc6 6.Bc2

    New

  11. Line 11 · 3% at top level

    2.Nf3 d6 3.c3 Nf6 4.h3 Nbd7 5.Bd3

    New

  12. Line 12 · 3% at top level

    2.Nf3 d6 3.c3 Nf6 4.h3 Nc6 5.Bd3 e5 6.Bc2

    New

  13. Line 13 · 3% at top level

    2.Nf3 Nf6 3.Nc3 d5 4.exd5 Nxd5 5.Bb5+

    New

Ordered by how often they come up in top-level games. Learned lines join your daily review.

Dau Khuong Duy's main line against the Sicilian, move by move

The most common line at top level: 2.Nf3 d6 3.c3 Nf6 4.h3 g6 5.Bd3 Bg7 6.O-O O-O 7.Bc2.

  1. 2.Nf3 Your move · Dau Khuong Duy's games Dau Khuong Duy played 2.Nf3 in 214 games, scoring 67%.
  2. 2…d6 Reply · Dau Khuong Duy's games A common reply here is 2…d6. At top level, this comes up about 45% of the time.
  3. 3.c3 Your move · Dau Khuong Duy's games Dau Khuong Duy played 3.c3 in 38 games, scoring 72%.
  4. 3…Nf6 Reply · Dau Khuong Duy's games A common reply here is 3…Nf6. At top level, this comes up about 42% of the time.
  5. 4.h3 Your move · Dau Khuong Duy's games Dau Khuong Duy played 4.h3 in 13 games, scoring 42%.
  6. 4…g6 Reply · Dau Khuong Duy's games A common reply here is 4…g6. At top level, this comes up about 22% of the time.
  7. 5.Bd3 Your move · Dau Khuong Duy's games Dau Khuong Duy played 5.Bd3 in 5 games, scoring 40%.
  8. 5…Bg7 Reply · Dau Khuong Duy's games A common reply here is 5…Bg7. At top level, this comes up about 18% of the time.
  9. 6.O-O Your move · Dau Khuong Duy's games Dau Khuong Duy played 6.O-O in 3 games, scoring 33%.
  10. 6…O-O Reply · Dau Khuong Duy's games A common reply here is 6…O-O.
  11. 7.Bc2 Your move · Dau Khuong Duy's games Dau Khuong Duy played 7.Bc2 in 2 games, scoring 0%.

Questions about this course

How does Dau Khuong Duy play against the Sicilian?
After 1.e4 c5, Dau Khuong Duy's most common line is 2.Nf3 d6 3.c3 Nf6 4.h3 g6 5.Bd3 Bg7 6.O-O O-O 7.Bc2. At top level it comes up about 18% of the time.
Is this Dau Khuong Duy's course?
No. ChessDrills builds it automatically from Dau Khuong Duy's public Chess.com blitz games.
What is this Sicilian course based on?
271 of Dau Khuong Duy's Chess.com blitz games in the Sicilian Defense as White, against opponents with an average rating of 2,983. Dau Khuong Duy scored 66% in them.
How many lines does the course have?
13 lines covering 40 positions, ordered by how often they come up in top-level games. The first 5 lines need no account; saving your progress with an email unlocks the rest, free.
Who is Dau Khuong Duy?
IM Dau Khuong Duy was ranked number 44 on the Chess.com blitz leaderboard with a rating of 3,204 when this course was built.

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