Sicilian Kan · White
Polugaevsky Main Line, Qg4 and Bg5 · White (B42)
Claim central space and open lines for the queen and king's bishop.
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Claim central space and open lines for the queen and king's bishop.
More courses in this opening
Continue through the Sicilian Defense repertoire from another tabiya.
White repertoire · ECO B23–B26
Sample line with full explanations: Main Line, Meeting the Queenside Expansion · White.
Black repertoire · ECO B26
Sample line with full explanations: Main Line, Queenside Expansion · Black.
Black repertoire · ECO B34–B36
Sample line with full explanations: Maróczy Bind, Thematic b5 Break · Black.
White repertoire · ECO B34–B38
Sample line with full explanations: Maróczy Bind, Meeting the b5 Break · White.
Black repertoire · ECO B22–B40
Sample line with full explanations: Barmen Defense, e5 Pressure.
White repertoire · ECO B22
Sample line with full explanations: Barmen Defense, c4 Main Line · White.
Black repertoire · ECO B56–B67
Sample line with full explanations: Richter-Rauzer, Be7 Main Line · Black.
White repertoire · ECO B60–B67
Sample line with full explanations: Richter-Rauzer, Classical Line · White.
Black repertoire · ECO B71–B78
Sample line with full explanations: Yugoslav Attack, Fast-Castling Main Line.
White repertoire · ECO B71–B78
Sample line with full explanations: Yugoslav Attack, Fast-Castling Main Line · White.
Black repertoire · ECO B41–B43
Sample line with full explanations: Polugaevsky Main Line, Qg4 and ...b5 · Black.
Black repertoire · ECO B90–B99
Sample line with full explanations: Opocensky Variation, Traditional Line.
White repertoire · ECO B90–B99
Sample line with full explanations: Be2, Classical Setup.
White repertoire · ECO B81
Sample line with full explanations: Keres Attack, Central d5 Main Line · White.
Black repertoire · ECO B21
Sample line with full explanations: Accepted, 8.Qe2 Main Line · Black.
White repertoire · ECO B21
Sample line with full explanations: Smith-Morra Gambit Accepted, Development Lead.
Black repertoire · ECO B33
Sample line with full explanations: Chelyabinsk Main Line, c3 and f5.
White repertoire · ECO B33
Sample line with full explanations: Chelyabinsk Main Line, c3 and f5 · White.
Black repertoire · ECO B44–B48
Sample line with full explanations: Classical Main Line, 13...c5 · Black.
White repertoire · ECO B48
Sample line with full explanations: Qf3 Main Line, Meeting 11...b4 · White.
Black repertoire · ECO B80–B90
Sample line with full explanations: Keres Attack, Central d5 Counter.
All lines in this course
ECO B42
Every one of these lines is explained move by move in the app — with recall practice and spaced review.
Train this course- B42Polugaevsky Main Line, Qg4 and Bg5 · WhiteSample
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qg4 Nf6 8. Qg3 d6 9. Nc3 Nc6 10. O-O b5 11. Bg5
- B42Polugaevsky, ...Be7 retreat · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Qe2 d6 9. O-O Nd7 10. Nc3 Qc7 11. f4
- B42Gipslis setup with c4 · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 Be7 8. Nc3 O-O 9. Be3 Nbd7 10. f3
- B42Early ...Qc7 setup · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. c4 Be7 9. Nc3 O-O 10. Be3
- B42Early ...Nc6 and the doubled c-pawns · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8. c4 Nf6 9. Nc3 Be7 10. Qe2
- B42Swiss Cheese Variation · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. O-O Bg7 7. Be3 Ne7 8. c4 O-O 9. Nc3 d6 10. Qd2
- B42Early ...Qb6 pressure · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qb6 6. Nb3 Qc7 7. O-O Nf6 8. Nc3 d6 9. Qe2 Be7 10. f4
- B42Flexible ...Ne7 setup · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Ng6 7. c4 Be7 8. Nc3 O-O 9. Be3 d6 10. Qd2
- B42Early ...b5 and queenside targets · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. O-O Bb7 7. a4 b4 8. Nd2 Nf6 9. e5 Nd5 10. Nc4
- B42Punish the premature ...f5 · White
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 f5 6. exf5