Stonewall structure
A pawn formation with pawns on c6, d5, e6 and f5 (for Black) or c3, d4, e3 and f4 (for White) that builds a solid wall controlling e5 or e4 but leaves the light-squared bishop passive.
Also called: Stonewall
The wall is built from four pawns that all stand on one color, light squares for Black and dark squares for White, with the bishop usually on d6 and a knight heading for the e4 or e5 outpost. For Black it arises in the Dutch Defense; for White it comes from a quick e3, c3, Bd3 and f4 setup.
The structure's strength is control of the key central square in front of the wall. A knight on e4 for Black is annoying and hard to trade off. The pawns also give a clear plan on the kingside, where rooks can swing via f6 and h6 toward the enemy king.
Its weaknesses are as clear as its strengths. The bishop on c8 (or c1) is blocked by its own pawns, and the opposite square, e5 for Black, can be occupied by an enemy knight. The pawn on e6 can become backward.
To play against the Stonewall, aim for the hole: bring a knight to e5, trade off the strong dark-squared bishop, and attack the wall with a well-prepared c5 or e4 break. When playing it yourself, avoid passive moves, trade your bad bishop when possible, and prepare ...Qe8-h5 style kingside play. Common errors are leaving the wall without a plan and leaving the e5 outpost to a knight.
It sits close to Colle system setup. The Colle system setup is a quiet White plan that leaves the c1 bishop behind a pawn on e3 for now and groups the other pieces, with Bd3, Nf3, Nbd2 and c3, around one central push, e3-e4.
It sits close to Kingside pawn storm structure. A kingside pawn storm structure arises when the center is locked, so one side can march its kingside pawns toward the enemy king while the opponent counterattacks on the other wing, as in the classical King's Indian Defense.
Whether "Stonewall structure" suits your repertoire depends on the games you play. A first lesson with George Li maps what you play today and what to build next.
Related terms
An outpost is an advanced square, usually in the opponent's half of the board, that is protected by one of your own pawns and cannot be attacked by an enemy pawn.
A weak square, also called a hole, is a square that a player's own pawns can no longer guard, so an enemy piece can settle there without being challenged by a pawn.
A bad bishop is one whose own pawns stand mostly on its color, where they block its diagonals, leaving it with little range and few targets to attack.
A pawn chain is a string of friendly pawns on a diagonal, each guarded by the pawn behind it, so only the rearmost pawn, the base, lacks pawn protection and becomes the usual target.
A kingside pawn storm structure arises when the center is locked, so one side can march its kingside pawns toward the enemy king while the opponent counterattacks on the other wing, as in the classical King's Indian Defense.
A blockade is the plan of stopping an enemy pawn by occupying the square it must move to next, most often a passed or isolated pawn, with a piece that stays safe and useful there.
Openings where it occurs
Guides that go further
Most popular chess openings and win rates
The most played openings, how often White wins, and how the numbers change with rating, computed from public games.
What to decide first, the questions to ask, what a first lesson should show and the red flags to avoid.
A game review, a read on your level and a written study plan from George Li.
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