ECO volume D: Closed and semi-closed games

ECO D14

2 named openings and variations are classified as D14. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

Slav Defense: Exchange Variation, Symmetrical LineD141. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5
Slav Defense: Exchange Variation, Trifunovic VariationD141. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4