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ECO D70

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

3 named opening lines are classified under ECO code D70.

Neo-Grünfeld Defense: Goglidze Attack — 1.d4 Nf6 2.c4 g6 3.f3 d5
Neo-Grünfeld Defense: with Nf3 — 1.d4 Nf6 2.c4 g6 3.Nf3 d5
Neo-Grünfeld Defense: with g3 — 1.d4 Nf6 2.c4 g6 3.g3 d5