ecocodes
Volume A · Flank openings‹ A80A82 ›
a1b2c3d4e5f6g7h8
Reference position · Black to move

A81 Dutch Defense: Fianchetto Attack

A81 holds five named lines, all under the name Dutch Defense. It leaves A80 (Dutch Defense) with 2.g3. Black, to move in that position, has 20 legal moves, level for the fewest of the 20 Dutch Defense codes. White’s pieces and pawns attack four squares in Black’s half, level for the fewest of the 20 Dutch Defense codes. None of its five lines contains a capture.

Score sheet
#WhiteBlack
1d4f5
2g3

The move that completes A81

The reference line of A88 plays all of these moves and continues beyond them; A81 is the position reached at 2.g3.

  1. 2.g3 The g-pawn advances to g3, covering f4 and h4, opening a line for the bishop on f1.

Lines filed under A81

All five share their first three plies, the whole reference line and then split three ways at Black’s move 2.

NameAfter the shared startPliesAt the end
Dutch Defense: Fianchetto Attack(the shared start itself)3
Dutch Defense: Semi-Leningrad Variation2...Nf6 3.Bg2 g66
Dutch Defense: Blackburne Variation2...Nf6 3.Bg2 e6 4.Nh37
Dutch Defense: Leningrad Variation, Carlsbad Variation2...g6 3.Bg2 Bg7 4.Nh37
Dutch Defense: Leningrad, Basman System2...c6 3.Bg2 g6 4.Nf3 Bg7 5.O-O Nh610White castled

The road to A81

  1. 1.d4A40 Queen’s Pawn Game
  2. 1...f5A80 Dutch Defense
  3. 2.g3A81

The position after 2.g3

WhiteBlackMaterial (pawn units)3939Minor pieces developed00Moves spent on pawns21Pawns on d4, e4, d5, e510Squares attacked in the other half42not castlednot castled

Codes that branch off from A81

The reference lines of two other codes leave A81 from the position after 3...g6, each with its own moves.

CodeMovesReference line
A884.Nf3 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 c6Dutch Defense: Leningrad Variation, Warsaw Variation
A894.Nf3 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 Nc6Dutch Defense: Leningrad Variation, Matulovic Variation

Closest boards in other codes

CodeLineDiffers on
A40Queen’s Pawn Gamefour squares: g2, g3, f5, f7
A82Dutch Defense: Staunton Gambitfour squares: e2, g2, g3, e4
A84Dutch Defensefour squares: c2, g2, g3, c4
A86Dutch Defense: Fianchetto Variationfour squares: c2, c4, f6, g8
A41Queen’s Pawn Gamesix squares: g2, g3, f5, d6, d7, f7
A43Benoni Defense: Old Benonisix squares: g2, g3, c5, f5, c7, f7
A45Indian Defensesix squares: g2, g3, f5, f6, f7, g8

Where lines continue from here

Two named lines filed under other codes pass through the position after 2.g3. All of them belong to the codes listed above.

Open this line in the finderAll Dutch Defense codes