ECO D02
ECO D00–D99 — Closed and Semi-Closed Games: 1.d4 d5 queen's pawn openings and the Grünfeld Defense.
13 named opening lines are classified under ECO code D02.
- London System: Poisoned Pawn Variation — 1.d4 Nf6 2.Nf3 d5 3.Bf4 c5 4.e3 Qb6 5.Nc3
- Queen's Gambit Declined: Baltic Defense, Pseudo-Slav — 1.d4 d5 2.Nf3 Bf5 3.c4 e6 4.Nc3 c6
- Queen's Pawn Game: Anti-Torre — 1.Nf3 d5 2.d4 Bg4
- Queen's Pawn Game: Chandler Gambit — 1.d4 d5 2.Nf3 c5 3.g3 cxd4 4.Bg2
- Queen's Pawn Game: Krause Variation — 1.d4 d5 2.Nf3 c5
- Queen's Pawn Game: Levitsky Attack, Euwe Variation, Modern Line — 1.d4 d5 2.Nf3 c6 3.Bg5 h6 4.Bh4 Qb6
- Queen's Pawn Game: London System — 1.d4 d5 2.Nf3 Nf6 3.Bf4
- Queen's Pawn Game: London System, Pterodactyl Variation — 1.d4 g6 2.Nf3 Bg7 3.Bf4 c5 4.c3 cxd4 5.cxd4 Qa5+
- Queen's Pawn Game: London System, with e6 — 1.d4 d5 2.Nf3 e6 3.Bf4
- Queen's Pawn Game: Symmetrical Variation — 1.d4 d5 2.Nf3 Nf6
- Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan — 1.d4 d5 2.Nf3 Nf6 3.g3
- Queen's Pawn Game: Zilbermints Countergambit — 1.d4 d5 2.Nf3 Nf6 3.c4 b5
- Queen's Pawn Game: Zukertort Variation — 1.d4 d5 2.Nf3