ecocodes
Volume B · Semi-open games‹ B36B38 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

B37 Sicilian Defense: Accelerated Dragon, Maróczy Bind

B37 holds two named lines, all under the name Sicilian Defense. It leaves B36, a position of the same name, with 5...Bg7. That final move, by the bishop, guards the rook on h8 and attacks the knight on d4. Of all other reference positions, the board of B38 (Accelerated Dragon, Maróczy Bind) comes closest, two squares apart.

Score sheet
#WhiteBlack
1e4c5
2Nf3Nc6
3d4cxd4
4Nxd4g6
5c4Bg7

Lines filed under B37

Both share their first ten plies, the whole reference line.

NameAfter the shared startPlies
Sicilian Defense: Accelerated Dragon, Maróczy Bind(the shared start itself)10
Sicilian Defense: Accelerated Dragon, Simagin Variation6.Nc2 d6 7.Be2 Nh614

Sicilian Defense: Accelerated Dragon, Simagin Variation

  1. 6.Nc2 The knight goes from d4 to c2, opening a line for the queen on d1, guarding the rook on a1.
  2. 6...d6 The d-pawn advances to d6, covering c5 and e5, opening a line for the bishop on c8 and the queen on d8.
  3. 7.Be2 The bishop leaves f1 for e2, opening a line for the rook on h1.
  4. 7...Nh6 The knight leaves g8 for h6, opening a line for the rook on h8.

The road to B37

  1. 1.e4 … 4.Nxd4seven earlier stops: B00, B20, B27, B30, B32
  2. 4...g6B32 Accelerated Dragon
  3. 5.c4B36 Maróczy Bind
  4. 5...Bg7B37

The position after 5...Bg7

White has brought out the knight on d4; Black the knight on c6 and bishop on g7. White has a half-open d-file; Black a half-open c-file. White could capture with Nxc6. White is to move and has 42 legal moves.

WhiteBlackMaterial (pawn units)3838Minor pieces developed12Moves spent on pawns33Pawns on d4, e4, d5, e510Squares attacked in the other half82not castlednot castled

Codes that branch off from B37

The reference lines of one other code leave B37 from the position after 5...Bg7, each with its own moves.

CodeMovesReference line
B386.Be3Sicilian Defense: Accelerated Dragon, Maróczy Bind

Closest boards in other codes

CodeLineDiffers on
B34Sicilian Defense: Accelerated Dragon, Exchange Variationsix squares: c2, c4, d4, c6, g7, f8
B39Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variationsix squares: b1, c1, c3, e3, g4, g8
B33Sicilian Defense: Openseven squares: c2, c4, f6, g6, g7, f8, g8
B44Sicilian Defense: Taimanov Variationseven squares: c2, c4, e6, g6, e7, g7, f8
C45Scotch Gameseven squares: c2, c4, g6, c7, e7, g7, f8
B32Sicilian Defense: Openeight squares: c2, f3, c4, d4, c5, g6, g7, f8
B54Sicilian Defense: Dragon Variation, Accelerated Dragoneight squares: c2, c4, c6, d6, d7, g7, b8, f8

Where lines continue from here

Two named lines filed under other codes pass through the position after 5...Bg7. Besides the codes above, they belong to B39.

Volume B

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Open this line in the finderAll Sicilian Defense codes