Home › Openings › Slav Defense › Slav Defense: Exchange Variation Slav Defense: Exchange Variation, Schallopp Variation ECO D13 · 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Nc3 Related variationsSlav Defense: Exchange Variation, Boor AttackSlav Defense: Exchange Variation, Symmetrical LineSlav Defense: Exchange Variation, Trifunovic Variation Practice this opening · Play against the computer