D19White20 book lines continue
Czech Variation, Classical System, Main Line
Slav Defense1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2
Also known as Slav: Dutch, 8...O-O 9.Qe2, Slav Defense, Czech Variation, Main Line, Czech Variation, Slav; D19.