Queen's Gambit Declined
chess opening (1. d4 d5 2. c4 e6)
Manhattan Variation
chess opening, variation of the Queen's Gambit Declined
Cambridge Springs Defense
chess opening following Queen's Gambit Declined
Dutch gambit
chess opening
Lasker Variation
chess opening
Queen's Gambit Declined, Elephant Trap
chess opening trap
Moscow Variation
chess opening, variation of Queen’s Gambit Declined
Orthodox Defence
chess opening, variation from Queen's Gambit Declined
Queen's Gambit Declined, Rubinstein Trap
following Queen’s Gambit Declined (1. d4 d5 2. Nf3 Nf6 3. c4 e6), a trap laid by White (4. Bg5 Nbd7 5. e3 Be7 6. Nc3 0-0 7. Rc1 Re8 8. Qc2 a6 9. cxd5 exd5 10. Bd3 c6 11. 0-0 Ne4 12. Bf4); after 12… f5 13 Nxd5, White wins a pawn