Variations
Catalan Opening: Closed Variation, Rabinovich Variation
Nf6 4. Qc2 e6 5. Nbd2 Be7 6. g3 Nbd7 7. Bg2 O-O 8. O-O b5
Semi-Slav Defense: Chigorin Defense
e6 4. e3 Nf6 5. Nc3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O O-O 10. Qc2
Slav Defense: Bonet Gambit
Nf6 4. Bg5
Slav Defense: Breyer Variation
Nf6 4. Nbd2
Slav Defense: Exchange Variation
Nf6 4. cxd5 cxd5
Slav Defense: Modern Line
Nf6 4. g3 dxc4 5. Bg2 g6
Slav Defense: Modern Line
Nf6 4. g3 Bg4 5. Bg2 e6 6. O-O
Slav Defense: Quiet Variation
Nf6 4. e3
Slav Defense: Three Knights Variation
Nf6 4. Nc3