D69Black5 book lines continue
Orthodox Defense, Classical Variation
Queen's Gambit Declined1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5
Also known as QGD: Orthodox, Classical, 13.dxe5, Queen's Gambit Declined: Orthodox Defense, Classical Variation, 13. dxe5 Nxe5 14. Nxe5 Qxe5, QGD: Orthodox defence, classical, 13.de.