ECO D94

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

6 named opening lines are classified under ECO code D94.

• Grünfeld Defense: Flohr Defense — 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 g6 5.Nf3 Bg7 6.Bd3 O-O 7.O-O Bf5
• Grünfeld Defense: Makogonov Variation — 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.b4
• Grünfeld Defense: Opocensky Variation — 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2
• Grünfeld Defense: Smyslov Defense — 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 g6 5.Nf3 Bg7 6.Bd3 O-O 7.O-O Bg4
• Grünfeld Defense: Three Knights Variation, Burille Variation — 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3
• Grünfeld Defense: Three Knights Variation, Paris Variation — 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3