D02-D69

Queen's Gambit Declined

200 named lines in this family, ECO D02-D69. Under each line you get its moves and the sentences it adds that this page has not already printed; sixty lines to a page. A line's own page carries up to its first 4 per-move notes in full.

Baltic Defense, Pseudo-SlavD02

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6

In the centre, White holds d4 while Black holds d5.

• 1. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
• 1... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen.
• 2. Nf3 Develops the knight to f3, eyeing d4 and e5. It also props up the d4 pawn. Theory calls this the Zukertort Variation.
• 2... Bf5 Develops the bishop to f5, eyeing e4.

Austrian DefenseD06

1. d4 d5 2. c4 c5

• 2. c4 Challenges the pawn on d5 - the central tension has to resolve. The pawn is genuinely on offer - this is the Queen's Gambit: development and initiative over material.
• 2... c5 Challenges the pawn on d4 - the central tension has to resolve. Theory calls this the Austrian Defense.

Baltic DefenseD06

1. d4 d5 2. c4 Bf5

• 2... Bf5 Develops the bishop with tempo - it attacks the knight on b1. Theory calls this the Baltic Defense.

Marshall DefenseD06

1. d4 d5 2. c4 Nf6

• 2... Nf6 Develops the knight to f6, eyeing d5 and e4. It also props up the d5 pawn. Theory calls this the Marshall Defense.

Zilbermints GambitD06

1. d4 d5 2. c4 b5

• 2... b5 Challenges the pawn on c4 - the central tension has to resolve. The pawn is genuinely on offer - this is the Zilbermints Gambit: development and initiative over material.

Baltic Defense, Queen AttackD06

1. d4 d5 2. c4 Bf5 3. Qb3

Austrian Attack, Salvio CountergambitD06

1. d4 d5 2. c4 c5 3. dxc5 d4

An early pawn trade leaves the c-file as Black's avenue and the d-file as White's - both sides get real winning chances down their own file. White is up material out of the opening - Black is banking on activity to show for it.

Austrian Defense, Gusev CountergambitD06

1. d4 d5 2. c4 c5 3. cxd5 Nf6

An early pawn trade leaves the c-file as White's avenue and the d-file as Black's - both sides get real winning chances down their own file.

Marshall Defense, Tan GambitD06

1. d4 d5 2. c4 Nf6 3. cxd5 c6

Baltic Defense, Queen Attack DeferredD06

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3

Baltic Defense, Pseudo-ChigorinD06

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nc6

Austrian Defense, Haberditz VariationD06

1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. e4 Nxe4 5. dxc5 Qa5+

Baltic Defense, Argentinian GambitD06

1. d4 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Qa4+ c6 5. dxc6 Nxc6

The structure hands Black the half-open d-file - rook pressure down it is a standing plan. Black keeps the extra pawn; White plays for time, open lines, and initiative - the classic gambit trade.

Chigorin Defense, through 2... Nc6D07

1. d4 d5 2. c4 Nc6

• 2... Nc6 Develops the knight to c6, eyeing d4 and e5. Theory calls this the Chigorin Defense.

Chigorin Defense, after 3. Nc3, through 3. Nc3D07

1. d4 d5 2. c4 Nc6 3. Nc3

Chigorin Defense, after 3. Nc3, through 3... dxc4D07

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4

Chigorin Defense, Exchange VariationD07

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5

Chigorin Defense, Lazard GambitD07

1. d4 d5 2. c4 Nc6 3. Nf3 e5

The pawns on d4 and e5 stand in direct tension - the first player to resolve it chooses the structure.

Chigorin Defense, Main LineD07

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4

Chigorin Defense, Tartakower GambitD07

1. d4 d5 2. c4 Nc6 3. Nc3 e5

Chigorin Defense, Janowski VariationD07

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3

Chigorin Defense, Main Line, Alekhine VariationD07

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Qa4

Black's knight on c6 is pinned against the king.

Chigorin Defense, Modern GambitD07

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3 Nf6

Chigorin Defense, Exchange Variation, Costa's LineD07

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8. Ne2

Albin CountergambitD08

1. d4 d5 2. c4 e5

In the centre, White holds d4 while Black holds d5 and e5.

• 2... e5 Stakes a claim in the centre, controlling d4, and frees the bishop and queen. The pawn is genuinely on offer - this is the Albin Countergambit: development and initiative over material.

Albin Countergambit, Normal LineD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3

An early pawn trade leaves the d-file as White's avenue and the e-file as Black's - both sides get real winning chances down their own file.

Albin Countergambit, Spassky VariationD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e4

Albin Countergambit, Tartakower DefenseD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 c5

Albin Countergambit, Modern LineD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2

Albin Countergambit, Balogh VariationD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Qe7

Albin Countergambit, Janowski VariationD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 f6

Albin Countergambit, Lasker TrapD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3

The d-file is fully open.

Albin Countergambit, Krenosz VariationD08

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bg4 6. h3 Bxf3 7. Nxf3 Bb4+ 8. Bd2 Qe7

White's bishop on d2 is pinned against the king.

Albin Countergambit, Fianchetto VariationD09

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3

Albin Countergambit, Fianchetto Variation, Be6 LineD09

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be6

Albin Countergambit, Fianchetto Variation, Bf5 LineD09

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bf5

Albin Countergambit, Fianchetto Variation, Bg4 LineD09

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4

Main line, after 2... e6, through 2... e6D30

1. d4 d5 2. c4 e6

...e6 holds d5 at the cost of the c8-bishop's freedom: Black plays the most solid structure in chess and times ...c5 or ...dxc4 to free the game.

• 2... e6 Supports the centre, adding control of d5. Theory calls this the Queen's Gambit Declined.

Tarrasch Defense, Pseudo-TarraschD30

1. d4 d5 2. c4 e6 3. Nf3 c5

Traditional VariationD30

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5

• 2. c4 Fights for d5 from the flank - contesting the centre without committing a centre pawn.

Capablanca Variation, after 2. c4D30

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6

Vienna VariationD30

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+

Tarrasch Defense, Pseudo-Tarrasch Bishop AttackD30

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Bg5

An early pawn trade leaves the c-file as White's avenue and the e-file as Black's - both sides get real winning chances down their own file.

Spielmann VariationD30

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 g6

Capablanca Variation, after 2. Nf3D30

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 c6 5. Nbd2 Nbd7 6. e3

• 2. Nf3 Theory calls this the Knights Variation.

Semmering VariationD30

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 c5

• 2... c6 Theory calls this the Slav Defense.

Stonewall VariationD30

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Ne4 6. Bd3 f5

Queen's Knight VariationD31

1. d4 d5 2. c4 e6 3. Nc3

Alapin VariationD31

1. d4 e6 2. c4 b6 3. Nc3 d5

• 1... e6 Theory calls this the Horwitz Defense.
• 2... b6 Prepares the fianchetto: the bishop will take the long diagonal via b7. Theory calls this the English Defense.

Charousek VariationD31

1. d4 d5 2. c4 e6 3. Nc3 Be7

Janowski VariationD31

1. d4 d5 2. c4 e6 3. Nc3 a6

Charousek Variation, Miladinovic GambitD31

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. f3

An early pawn trade leaves the d-file as Black's avenue and the e-file as White's - both sides get real winning chances down their own file.

Semi-Slav, Abrahams VariationD31

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5

Semi-Slav, Junge VariationD31

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Qb6

Semi-Slav, Koomen VariationD31

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 Qe7

Tarrasch Defense, after 1... d5, through 4... exd5D32

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5

Tarrasch Defense, after 1... d5, through 6... Be7D32

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7

Tarrasch Defense, after 1... d5, through 7... Ngxe7D32

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7

Tarrasch Defense, after 1... Nf6, through 7... Nc6D32

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. cxd5 exd5 6. Nc3 a6 7. Be2 Nc6

Tarrasch Defense, Stoltz VariationD34

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. Bg5 Be6 10. Rc1 b6

White's kingside bishop takes the long diagonal.

Lines 1–60 of 200 — page 1 of 4.

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