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Ruy Lopez · As White · updated October 2026

Play the Ruy Lopez like Jan-Krzysztof Duda

A Ruy Lopez repertoire built from 50 of Jan-Krzysztof Duda's public Chess.com blitz games. At every position you play the move Jan-Krzysztof Duda chose most often. Where Jan-Krzysztof Duda 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 Jan-Krzysztof Duda or Chess.com.

  • Jan-Krzysztof Duda was #8 in Chess.com blitz in October 2026 (3,303) and scored 72% against opponents averaging 3,072 in these games.
  • You play Jan-Krzysztof Duda's own move in 11 of 40 positions.
  • The whole course is free, and it is updated monthly.

Free · first 5 lines need no account

Blitz rank

#8

Chess.com

Rating

3,303

Games

50

in this opening

Score

72%

in these games

Opponents

3,072

average rating

More about Jan-Krzysztof Duda

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 24 moves

Lines to learn

  1. Line 1 · 13% at top level

    3…a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.Bg5

  2. Line 2 · 8% at top level

    3…a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d3 Bd6 13.Re1 Bf5 14.Qf3

  3. Line 3 · 7% at top level

    3…Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.h3 Be7 10.Nc3 Nh4 11.Nxh4 Bxh4 12.Re1 h5 13.Ne2

  4. Line 4 · 7% at top level

    3…a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 Na5 9.Bc2

  5. Line 5 · 6% at top level

    3…Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Ne4 8.Qe2 Bf5 9.Rd1 Qc8 10.Nd4 Bg6 11.e6 Bc5 12.exf7+ Kxf7 13.Qc4+ Kf6 14.Nc3 Bb6 15.Nxe4+

  6. Line 6 · 6% at top level

    3…Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.h3 Ke8 10.Nc3 h5 11.Rd1 Be7 12.Ne2

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

Jan-Krzysztof Duda's main line in the Ruy Lopez, move by move

The most common line at top level: 3…a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.Bg5.

  1. 3…a6 Reply · Jan-Krzysztof Duda's games A common reply here is 3…a6. At top level, this comes up about 64% of the time.
  2. 4.Ba4 Your move · Jan-Krzysztof Duda's games Jan-Krzysztof Duda played 4.Ba4 in 27 games, scoring 69%.
  3. 4…Nf6 Reply · Jan-Krzysztof Duda's games A common reply here is 4…Nf6. At top level, this comes up about 52% of the time.
  4. 5.O-O Your move · Jan-Krzysztof Duda's games Jan-Krzysztof Duda played 5.O-O in 18 games, scoring 78%.
  5. 5…Be7 Reply · Jan-Krzysztof Duda's games A common reply here is 5…Be7. At top level, this comes up about 38% of the time.
  6. 6.Re1 Your move · Jan-Krzysztof Duda's games Jan-Krzysztof Duda played 6.Re1 in 9 games, scoring 67%.
  7. 6…b5 Reply · Jan-Krzysztof Duda's games A common reply here is 6…b5. At top level, this comes up about 33% of the time.
  8. 7.Bb3 Your move · Jan-Krzysztof Duda's games Jan-Krzysztof Duda played 7.Bb3 in 8 games, scoring 69%.
  9. 7…O-O Reply · Jan-Krzysztof Duda's games A common reply here is 7…O-O.
  10. 8.c3 Your move · Jan-Krzysztof Duda's games Jan-Krzysztof Duda played 8.c3 in 5 games, scoring 60%.
  11. 8…d6 Reply · Jan-Krzysztof Duda's games A common reply here is 8…d6. At top level, this comes up about 13% of the time.
  12. 9.h3 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.
  13. 9…Nb8 Reply · Top-50 players In the other top players' games, a common reply here is 9…Nb8.
  14. 10.d4 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.
  15. 10…Nbd7 Reply · Top-50 players In the other top players' games, a common reply here is 10…Nbd7.
  16. 11.Nbd2 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.
  17. 11…Bb7 Reply · Top-50 players In the other top players' games, a common reply here is 11…Bb7.
  18. 12.Bc2 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.
  19. 12…Re8 Reply · Top-50 players In the other top players' games, a common reply here is 12…Re8.
  20. 13.Nf1 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.
  21. 13…Bf8 Reply · Top-50 players In the other top players' games, a common reply here is 13…Bf8.
  22. 14.Ng3 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.
  23. 14…g6 Reply · Top-50 players In the other top players' games, a common reply here is 14…g6.
  24. 15.Bg5 Your move · Stockfish The games give no move to follow here, so this is Stockfish's choice.

Questions about this course

How does Jan-Krzysztof Duda play the Ruy Lopez?
After 1.e4 e5 2.Nf3 Nc6 3.Bb5, Jan-Krzysztof Duda's most common line is 3…a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.Bg5. At top level it comes up about 13% of the time.
Is this Jan-Krzysztof Duda's course?
No. ChessDrills builds it automatically from Jan-Krzysztof Duda's public Chess.com blitz games.
What is this Ruy Lopez course based on?
50 of Jan-Krzysztof Duda's Chess.com blitz games in the Ruy Lopez as White, against opponents with an average rating of 3,072. Jan-Krzysztof Duda scored 72% in them.
How many lines does the course have?
6 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 Jan-Krzysztof Duda?
GM Jan-Krzysztof Duda was ranked number 8 on the Chess.com blitz leaderboard with a rating of 3,303 when this course was built.