Home › Openings › Semi-Slav Defense › Semi-Slav Defense: Noteboom Variation Semi-Slav Defense: Noteboom Variation, Abrahams Variation ECO D31 · 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 Bxc3+ 7. bxc3 b5 8. axb5 cxb5 Related variationsSemi-Slav Defense: Noteboom Variation, Anti-Noteboom VariationSemi-Slav Defense: Noteboom Variation, Anti-Noteboom Gambit Practice this opening · Play against the computer