ECO D02
13 named openings and variations are classified as D02. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- London System: Poisoned Pawn VariationD021. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3
- Queen's Gambit Declined: Baltic Defense, Pseudo-SlavD021. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6
- Queen's Pawn Game: Anti-TorreD021. Nf3 d5 2. d4 Bg4
- Queen's Pawn Game: Chandler GambitD021. d4 d5 2. Nf3 c5 3. g3 cxd4 4. Bg2
- Queen's Pawn Game: Krause VariationD021. d4 d5 2. Nf3 c5
- Queen's Pawn Game: Levitsky Attack, Euwe Variation, Modern LineD021. d4 d5 2. Nf3 c6 3. Bg5 h6 4. Bh4 Qb6
- Queen's Pawn Game: London SystemD021. d4 d5 2. Nf3 Nf6 3. Bf4
- Queen's Pawn Game: London System, Pterodactyl VariationD021. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+
- Queen's Pawn Game: London System, with e6D021. d4 d5 2. Nf3 e6 3. Bf4
- Queen's Pawn Game: Symmetrical VariationD021. d4 d5 2. Nf3 Nf6
- Queen's Pawn Game: Symmetrical Variation, Pseudo-CatalanD021. d4 d5 2. Nf3 Nf6 3. g3
- Queen's Pawn Game: Zilbermints CountergambitD021. d4 d5 2. Nf3 Nf6 3. c4 b5
- Queen's Pawn Game: Zukertort VariationD021. d4 d5 2. Nf3