ECO D38

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 D38.

• Queen's Gambit Declined: Ragozin Defense — 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4
• Queen's Gambit Declined: Ragozin Defense, Alekhine Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Qa4+
• Queen's Gambit Declined: Westphalian Variation — 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Bg5 Nbd7 6.e3 c5