Queen's · Opening 2 of 3

Queen's Gambit Declined

The Orthodox QGD: solid as concrete, every grandmaster's go-to. Hold the centre, develop, equalize.

Shared1.d4 d5 2.c4 e6 3.Nc3 Verified

VARIATION 1

Forking Queen

Engine-verified opening line.

Variation

1/10

Moves

Depth

18engine

Drill progress

·LEARN

·RECALL

DRILL

MASTER

Start drill ~ 4 min

VARIATION 2 · LOCKED

Tarrasch Defense

Engine-verified main line.

Variation

2/10

Moves

Depth

18engine

Unlocks when V1 drilled

VARIATION 3 · LOCKED

Tarrasch Trap

Engine-verified opening line.

Variation

3/10

Moves

Depth

18engine

Unlocks when V1 + V2 drilled

VARIATION 4 · LOCKED

Gambit Grip

Engine-verified opening line.

Variation

4/10

Moves

Depth

18engine

Unlocks when V1 + V3 drilled

VARIATION 5 · LOCKED

Exchange Variation

Engine-verified main line.

Variation

5/10

Moves

Depth

18engine

Unlocks when V1 + V4 drilled

VARIATION 6 · LOCKED

Blunder Punisher

Engine-verified opening line.

Variation

6/10

Moves

Depth

18engine

Unlocks when V1 + V5 drilled

VARIATION 7 · LOCKED

Center Break

Engine-verified opening line.

Variation

7/10

Moves

Depth

18engine

Unlocks when V1 + V6 drilled

VARIATION 8 · LOCKED

Marshall Strike

Engine-verified opening line.

Variation

8/10

Moves

Depth

18engine

Unlocks when V1 + V7 drilled

VARIATION 9 · LOCKED

Bishop Hunt

Engine-verified opening line.

Variation

9/10

Moves

Depth

18engine

Unlocks when V1 + V8 drilled

VARIATION 10 · LOCKED

Castle Lock

Engine-verified opening line.

Variation

10/10

Moves

Depth

18engine

Unlocks when V1 + V9 drilled

When all 10 variations drilled

0 of 10 mastered. Clear the rest to unlock the next Queen's opening.

Engine · Mainline · depth 18

All moves chess.js-legal · variation ordering matches master-game frequency.

Live

Practice all 10 variations

Shuffled drill. Wrong lines re-queue. Stays inside this opening.

Repertoire · Queen's

Queen's · Opening 2 of 3

Queen's Gambit Declined

The Orthodox QGD: solid as concrete, every grandmaster's go-to. Hold the centre, develop, equalize.

Shared1.d4 d5 2.c4 e6 3.Nc3 Verified

VARIATION 1

Forking Queen

Engine-verified opening line.

Variation

1/10

Moves

Depth

18engine

Drill progress

·LEARN

·RECALL

DRILL

MASTER

Start drill ~ 4 min

VARIATION 2 · LOCKED

Tarrasch Defense

Engine-verified main line.

Variation

2/10

Moves

Depth

18engine

Unlocks when V1 drilled

VARIATION 3 · LOCKED

Tarrasch Trap

Engine-verified opening line.

Variation

3/10

Moves

Depth

18engine

Unlocks when V1 + V2 drilled

VARIATION 4 · LOCKED

Gambit Grip

Engine-verified opening line.

Variation

4/10

Moves

Depth

18engine

Unlocks when V1 + V3 drilled

VARIATION 5 · LOCKED

Exchange Variation

Engine-verified main line.

Variation

5/10

Moves

Depth

18engine

Unlocks when V1 + V4 drilled

VARIATION 6 · LOCKED

Blunder Punisher

Engine-verified opening line.

Variation

6/10

Moves

Depth

18engine

Unlocks when V1 + V5 drilled

VARIATION 7 · LOCKED

Center Break

Engine-verified opening line.

Variation

7/10

Moves

Depth

18engine

Unlocks when V1 + V6 drilled

VARIATION 8 · LOCKED

Marshall Strike

Engine-verified opening line.

Variation

8/10

Moves

Depth

18engine

Unlocks when V1 + V7 drilled

VARIATION 9 · LOCKED

Bishop Hunt

Engine-verified opening line.

Variation

9/10

Moves

Depth

18engine

Unlocks when V1 + V8 drilled

VARIATION 10 · LOCKED

Castle Lock

Engine-verified opening line.

Variation

10/10

Moves

Depth

18engine

Unlocks when V1 + V9 drilled

When all 10 variations drilled

0 of 10 mastered. Clear the rest to unlock the next Queen's opening.

Engine · Mainline · depth 18

All moves chess.js-legal · variation ordering matches master-game frequency.

Live

Practice all 10 variations

Shuffled drill. Wrong lines re-queue. Stays inside this opening.