ECO D10

ECO D00–D99 — Closed and Semi-Closed Games: 1.d4 d5 queen's pawn openings and the Grünfeld Defense.

7 named opening lines are classified under ECO code D10.

• Slav Defense — 1.d4 d5 2.c4 c6
• Slav Defense: Diemer Gambit — 1.d4 d5 2.c4 c6 3.e4
• Slav Defense: Exchange Variation — 1.d4 d5 2.c4 c6 3.cxd5
• Slav Defense: Exchange Variation, Boor Attack — 1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.f3
• Slav Defense: Slav Gambit, Alekhine Attack — 1.d4 d5 2.c4 c6 3.Nc3 dxc4 4.e4
• Slav Defense: Winawer Countergambit — 1.d4 d5 2.c4 c6 3.Nc3 e5
• Slav Defense: Winawer Countergambit, Anti-Winawer Gambit — 1.d4 d5 2.c4 c6 3.Nc3 e5 4.e4