Queen's Gambit Declined: Orthodox Defense
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7
In the Orthodox Defense to the Queen's Gambit, Black solidly defends the d-pawn by playing 2...e6, and then concentrates on kingside development: ...Nf6, ...Be7, and ...0-0.
Pros:
- Black is very solid
- Very correct play
- Black easily completes development
Cons:
- Black is passive
- Black has few winning chances
- White has a space advantage