Chessmate

Sicilian Najdorf · Black

Opocensky Variation, Traditional Line (B92)

White replies…

White replies… e4

0/20

Step through the line. Every move has a reason.

More courses in this opening

Continue through the Sicilian Defense repertoire from another tabiya.

Closed Sicilian · WhiteDifficulty 2/3

White repertoire · ECO B23–B26

Sample line with full explanations: Main Line, Meeting the Queenside Expansion · White.

Closed Sicilian · BlackDifficulty 2/3

Black repertoire · ECO B26

Sample line with full explanations: Main Line, Queenside Expansion · Black.

Sicilian Accelerated Dragon · BlackDifficulty 3/3

Black repertoire · ECO B34–B36

Sample line with full explanations: Maróczy Bind, Thematic b5 Break · Black.

Sicilian Accelerated Dragon · WhiteDifficulty 3/3

White repertoire · ECO B34–B38

Sample line with full explanations: Maróczy Bind, Meeting the b5 Break · White.

Sicilian Alapin · BlackDifficulty 1/3

Black repertoire · ECO B22–B40

Sample line with full explanations: Barmen Defense, e5 Pressure.

Sicilian Alapin · WhiteDifficulty 2/3

White repertoire · ECO B22

Sample line with full explanations: Barmen Defense, c4 Main Line · White.

Sicilian Classical · BlackDifficulty 3/3

Black repertoire · ECO B56–B67

Sample line with full explanations: Richter-Rauzer, Be7 Main Line · Black.

Sicilian Classical · WhiteDifficulty 3/3

White repertoire · ECO B60–B67

Sample line with full explanations: Richter-Rauzer, Classical Line · White.

Sicilian Dragon · BlackDifficulty 3/3

Black repertoire · ECO B71–B78

Sample line with full explanations: Yugoslav Attack, Fast-Castling Main Line.

Sicilian Dragon · WhiteDifficulty 3/3

White repertoire · ECO B71–B78

Sample line with full explanations: Yugoslav Attack, Fast-Castling Main Line · White.

Sicilian Kan · BlackDifficulty 3/3

Black repertoire · ECO B41–B43

Sample line with full explanations: Polugaevsky Main Line, Qg4 and ...b5 · Black.

Sicilian Kan · WhiteDifficulty 3/3

White repertoire · ECO B42

Sample line with full explanations: Polugaevsky Main Line, Qg4 and Bg5 · White.

Sicilian Najdorf · WhiteDifficulty 3/3

White repertoire · ECO B90–B99

Sample line with full explanations: Be2, Classical Setup.

Sicilian Scheveningen · WhiteDifficulty 3/3

White repertoire · ECO B81

Sample line with full explanations: Keres Attack, Central d5 Main Line · White.

Smith-Morra Gambit · BlackDifficulty 2/3

Black repertoire · ECO B21

Sample line with full explanations: Accepted, 8.Qe2 Main Line · Black.

Smith-Morra Gambit · WhiteDifficulty 2/3

White repertoire · ECO B21

Sample line with full explanations: Smith-Morra Gambit Accepted, Development Lead.

Sicilian Sveshnikov · BlackDifficulty 3/3

Black repertoire · ECO B33

Sample line with full explanations: Chelyabinsk Main Line, c3 and f5.

Sicilian Sveshnikov · WhiteDifficulty 3/3

White repertoire · ECO B33

Sample line with full explanations: Chelyabinsk Main Line, c3 and f5 · White.

Sicilian Taimanov · BlackDifficulty 3/3

Black repertoire · ECO B44–B48

Sample line with full explanations: Classical Main Line, 13...c5 · Black.

Sicilian Taimanov · WhiteDifficulty 3/3

White repertoire · ECO B48

Sample line with full explanations: Qf3 Main Line, Meeting 11...b4 · White.

Sicilian Scheveningen · BlackDifficulty 3/3

Black repertoire · ECO B80–B90

Sample line with full explanations: Keres Attack, Central d5 Counter.

All lines in this course

ECO B90–B99

Every one of these lines is explained move by move in the app — with recall practice and spaced review.

Train this course
  1. Opocensky Variation, Traditional LineSample

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. Qd2 Nbd7

  2. Opocensky Variation, a4 and f4

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. f4 exf4 11. Bxf4 Nc6

  3. Opocensky Variation, Qc7 and Bc4

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. a4 Be6 10. f4 Qc7 11. f5 Bc4

  4. Bg5, Traditional Qc7 Line

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 b5

  5. Bg5, Goteborg Variation

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 g5 10. fxg5 Nfd7 11. Nxe6 fxe6 12. Qh5+ Kf8 13. Bb5 Ne5 14. O-O+ Kg8 15. g6 Kg7 16. Rf7+ Nxf7 17. Qxh6+ Rxh6 18. gxf7+ Kxf7 19. Rf1+ Bf6

  6. Poisoned Pawn, Nb3

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Qa3

  7. Poisoned Pawn Accepted

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. e5 dxe5 14. Bxf6 gxf6 15. Ne4 Be7 16. Be2 h5 17. Rb3 Qa4 18. Nxf6+ Bxf6 19. c4 Bh4+

  8. English Attack, e5 and b5

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O b5

  9. English Attack, Ng4 and e5

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 e5 9. Nb3 Be6 10. f3 Be7 11. Qd2 O-O 12. O-O-O Nbd7 13. g4 b5 14. g5 b4 15. Ne2 Nh5 16. Ng3 Nf4 17. Bxf4 exf4

  10. English Attack, Anti-English

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be3 Ng4 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg7

  11. Lipnitsky Attack

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. Qf3 Qc7 10. Qg3 O-O

  12. Amsterdam Variation

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bd3 O-O 10. O-O Nc5

  13. Adams Attack

    1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be7 8. g4 Be6 9. Bg2 Nbd7