A01-A06

Nimzo-Larsen Attack

18 named lines in this family, ECO A01-A06. Under each line you get its moves and the sentences it adds that this page has not already printed. A line's own page carries up to its first 4 per-move notes in full.

Main lineA01

1. b3

No pawn stands on d4, e4, d5 or e5 - this line is played with the centre squares empty.

• 1. b3 Prepares the fianchetto: the bishop will take the long diagonal via b2. Theory calls this the Nimzo-Larsen Attack.

Classical Variation, after 1. b3A01

1. b3 d5

In the centre, Black holds d5.

• 1... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen. Theory calls this the Classical Variation.

Dutch VariationA01

1. b3 f5

• 1... f5 Fights for e4 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Dutch Variation.

English VariationA01

1. b3 c5

• 1... c5 Fights for d4 from the flank - contesting the centre without committing a centre pawn. Theory calls this the English Variation.

Indian VariationA01

1. b3 Nf6

• 1... Nf6 Develops the knight to f6, eyeing d5 and e4. Theory calls this the Indian Variation.

Modern Variation, through 1... e5A01

1. b3 e5

In the centre, Black holds e5.

• 1... e5 Stakes a claim in the centre, controlling d4, and frees the bishop and queen.

Polish VariationA01

1. b3 b5

• 1... b5 Opens the c8-a6 diagonal for the bishop. Theory calls this the Polish Variation.

Symmetrical VariationA01

1. b3 b6

• 1... b6 Prepares the fianchetto: the bishop will take the long diagonal via b7. Theory calls this the Symmetrical Variation.

Graz AttackA01

1. b3 d5 2. Ba3

• 2. Ba3 Develops the bishop to a3, hitting the pawn on e7. Theory calls this the Graz Attack.

Modern Variation, after 2. Bb2, through 2... Nc6A01

1. b3 e5 2. Bb2 Nc6

White's queenside bishop takes the long diagonal.

• 2. Bb2 Fianchettoes the bishop onto the long diagonal, pressuring d4 and e5 from a distance.
• 2... Nc6 Develops the knight to c6, eyeing d4 and e5. It also props up the e5 pawn.

Modern Variation, after 2. Bb2, through 3. e3A01

1. b3 e5 2. Bb2 Nc6 3. e3

Pachman GambitA01

1. b3 e5 2. Bb2 Nc6 3. f4

Ringelbach GambitA01

1. b3 f5 2. Bb2 e6 3. e4

• 2... e6 Supports the centre, adding control of d5.

Spike VariationA01

1. b3 Nf6 2. Bb2 g6 3. g4

• 2... g6 Prepares the fianchetto: the bishop will take the long diagonal via g7.

Modern Variation, after 2. Bb2, through 3... Nf6A01

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6

Classical Variation, after 1. Nf3A06

1. Nf3 d5 2. b3

• 1. Nf3 Develops the knight to f3, eyeing d4 and e5. Theory calls this the Zukertort Opening.

Norfolk Gambit, after 2... c5A06

1. Nf3 d5 2. b3 c5 3. e4

The pawns on d5 and e4 stand in direct tension - the first player to resolve it chooses the structure.

Norfolk Gambit, after 2... Nf6A06

1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e4

• 2... Nf6 It also props up the d5 pawn.

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