Queen's Gambit Declined
D60 · Queen's Gambit Declined: Orthodox Defense · you play White
The idea
c4 attacks the d5 pawn. Pin the f6 knight with Bg5 and develop calmly behind your centre.
The moves
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7
Free, no sign-up. The board plays the other side and you play every one of your moves. A line you miss comes back tomorrow; one you get comes back after 3 days, then a week, then three weeks.
When they go another way
- If they play 2...dxc4: If Black takes c4, do not chase the pawn. Play e3, take it back with the bishop and enjoy the centre.
Opening names from the Lichess chess-openings list (CC0). Every line was checked move by move by the rules engine. Part of Chess Path, a free chess course.