1.d4 d5 2.c4 e6 and eventual ...c6 – Semi-Slav Defense 1.d4 d5 2.c4 c6 – Slav Defense 1.d4 d5 2.c4 e5 – Albin Countergambit 1.d4 d5 2.c4 Nc6 – Chigorin Defense 1.d4 d5 2.c4 Bf5 – Baltic Defense 1.d4 d5 2.c4 c5 – Symmetrical Defense (or Austrian Defense) 1.d4 d5 2.c4 Nf6 – Marshall Defense (unsound and no longer used by knowledgeable players)