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ECO D25

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 D25.

Queen's Gambit Accepted: Janowski-Larsen Variation — 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4
Queen's Gambit Accepted: Smyslov Variation — 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6
Queen's Gambit Accepted: Winawer Defense — 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Be6