Main line, through 1... f5A80
1. d4 f5
...f5 fights for e4 from move one and signals kingside intent; the cost is a slightly airy king - sharp, committal, and rich in attacking games.
A80-A99
Dutch Defense
69 named lines in this family, ECO A80-A99. Every one of them opens 1. d4 f5, so the notes on those moves are written once, just below, instead of once per line. 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.
The moves every line here plays
1. d4 f5
- 1. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
- 1... f5 Fights for e4 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Dutch Defense.
Alapin VariationA80
1. d4 f5 2. Qd3
- 2. Qd3 Brings the queen out with a concrete threat - the f5 pawn is suddenly hanging. It also props up the d4 pawn. Theory calls this the Alapin Variation.
Hopton AttackA80
1. d4 f5 2. Bg5
- 2. Bg5 Develops the bishop to g5, hitting the pawn on e7. Theory calls this the Hopton Attack.
Korchnoi AttackA80
1. d4 f5 2. h3
- 2. h3 A useful waiting move that keeps the structure flexible on the h-file. Theory calls this the Korchnoi Attack.
Krejcik GambitA80
1. d4 f5 2. g4
- 2. g4 Challenges the pawn on f5 - the central tension has to resolve. The pawn is genuinely on offer - this is the Krejcik Gambit: development and initiative over material.
Raphael VariationA80
1. d4 f5 2. Nc3
- 2. Nc3 Develops the knight to c3, eyeing d5 and e4. Theory calls this the Raphael Variation.
Hevendehl GambitA80
1. d4 f5 2. g4 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 Hevendehl Gambit: development and initiative over material.
Omega-Isis GambitA80
1. d4 f5 2. Nf3 e5
- 2. Nf3 Develops the knight to f3, eyeing d4 and e5.
- 2... e5 The pawn is genuinely on offer - this is the Omega-Isis Gambit: development and initiative over material.
Barcza VariationA80
1. d4 f5 2. Nf3 Nf6 3. c3
- 2... Nf6 Develops the knight to f6, eyeing d5 and e4.
Janzen-Korchnoi GambitA80
1. d4 f5 2. h3 Nf6 3. g4
Kingfisher GambitA80
1. d4 f5 2. Nc3 d5 3. e4
The pawns on d5 and e4 stand in direct tension - the first player to resolve it chooses the structure.
- 2... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen. Theory calls this the Dutch System.
Manhattan Gambit, Anti-Classical LineA80
1. d4 f5 2. Qd3 e6 3. g4
- 2... e6 Supports the centre, adding control of d5.
Manhattan Gambit, Anti-LeningradA80
1. d4 f5 2. Qd3 g6 3. g4
- 2... g6 Prepares the fianchetto: the bishop will take the long diagonal via g7.
Manhattan Gambit, Anti-ModernA80
1. d4 f5 2. Qd3 d6 3. g4
- 2... d6 Supports the centre, adding control of e5.
Manhattan Gambit, Anti-StonewallA80
1. d4 f5 2. Qd3 d5 3. g4
Senechaud GambitA80
1. d4 f5 2. Bf4 e6 3. g4
- 2. Bf4 Develops the bishop to f4, eyeing e5.
Spielmann GambitA80
1. d4 f5 2. Nc3 Nf6 3. g4
Krejcik Gambit, Tate GambitA80
1. d4 f5 2. g4 fxg4 3. e4 d5 4. Nc3
An early pawn trade leaves the f-file as Black's avenue and the g-file as White's - both sides get real winning chances down their own file. Black keeps the extra pawn; White plays for time, open lines, and initiative - the classic gambit trade.
- 2... fxg4 Takes the pawn on g4.
Fianchetto AttackA81
1. d4 f5 2. g3
- 2. g3 Prepares the fianchetto: the bishop will take the long diagonal via g2. Theory calls this the Fianchetto Attack.
Semi-Leningrad VariationA81
1. d4 f5 2. g3 Nf6 3. Bg2 g6
White's kingside bishop takes the long diagonal.
Blackburne VariationA81
1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3
Leningrad Variation, Carlsbad VariationA81
1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3
White's kingside bishop takes the long diagonal and Black's kingside bishop takes the long diagonal. The g7 fianchetto joins ...f5: Black plays for ...e5 in one go and a middlegame where both wings burn.
Leningrad, Basman SystemA81
1. d4 f5 2. g3 c6 3. Bg2 g6 4. Nf3 Bg7 5. O-O Nh6
- 2... c6 Fights for d5 from the flank - contesting the centre without committing a centre pawn.
Staunton Gambit, through 2. e4A82
1. d4 f5 2. e4
- 2. e4 Stakes a claim in the centre, controlling d5, and frees the bishop and queen. The pawn is genuinely on offer - this is the Staunton Gambit: development and initiative over material.
Staunton Gambit AcceptedA82
1. d4 f5 2. e4 fxe4
- 2... fxe4 Takes the pawn on e4, toward the centre. Theory calls this the Staunton Gambit Accepted.
Staunton Gambit, American AttackA82
1. d4 f5 2. e4 fxe4 3. Nd2
An early pawn trade leaves the e-file as White's avenue and the f-file as Black's - both sides get real winning chances down their own file.
Blackmar's Second GambitA82
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3
Staunton Gambit, Tartakower VariationA82
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4
Staunton Gambit, after 2... fxe4A83
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5
Staunton Gambit, Chigorin VariationA83
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6
Staunton Gambit, Nimzowitsch VariationA83
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 b6
Staunton Gambit, Alekhine VariationA83
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h4
Staunton Gambit, Lasker VariationA83
1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3
Main line, after 2. c4A84
1. d4 f5 2. c4
Classical Variation, after 2... e6, through 2... e6A84
1. d4 f5 2. c4 e6
- 2... e6 Theory calls this the Classical Variation.
Normal VariationA84
1. d4 f5 2. c4 Nf6
Bellon GambitA84
1. d4 f5 2. c4 e6 3. e4
Rubinstein VariationA84
1. d4 f5 2. c4 e6 3. Nc3
Bladel VariationA84
1. d4 f5 2. c4 g6 3. Nc3 Nh6
Krause VariationA84
1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Nf3 Nc6
Queen's Knight VariationA85
1. d4 f5 2. c4 Nf6 3. Nc3
Fianchetto VariationA86
1. d4 f5 2. c4 Nf6 3. g3
Leningrad Variation, through 3... g6A86
1. d4 f5 2. c4 Nf6 3. g3 g6
Hort-Antoshin SystemA86
1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7
Leningrad Variation, after 4. Bg2A87
1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3
Leningrad Variation, Warsaw VariationA88
1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6
Leningrad Variation, Matulovic VariationA89
1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc6
Classical Variation, after 2... Nf6, through 4. Bg2A90
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2
Nimzo-Dutch VariationA90
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+
Classical Variation, after 2... Nf6, through 5. Nf3A90
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3
Nimzo-Dutch Variation, Alekhine VariationA90
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7
Stonewall Variation, Modern VariationA90
1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6
...d5, ...e6 and ...f5 build the wall: an iron grip on e4, a permanent hole on e5, and a straightforward kingside attack plan.
Classical Variation, after 2... Nf6, through 4... Be7A91
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7
Classical Variation, Blackburne AttackA91
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nh3
Classical Variation, after 2... Nf6, through 5... O-OA92
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O
Alekhine VariationA92
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4
Stonewall Variation, through 6... d5A92
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5
Stonewall Variation, after 7. Nc3, through 7. Nc3A92
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3
Stonewall Variation, Botvinnik VariationA93
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3
Stonewall Variation, after 7. b3, through 8. Ba3A94
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3
Lines 1–60 of 69 — page 1 of 2.
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