Trompowsky Attack: Trompowsky, 2...c5
The Benoni-style counter — ...Qb6 hits b2 and d4 with real venom.
Trompowsky Attack: Trompowsky, 2...c5 is one of the most compelling entries in the Encyclopaedia of Chess Openings — and a line that repays every hour you sink into it.
After 3…Qb6 the position resolves into an open centre — the central pawns have largely been traded, so open files and piece activity decide the game rather than pawn play.
The Trompowsky, 2...c5 is one of the defining branches of the Trompowsky Attack — the line you reach when both players want the full fight rather than a quiet draw.
The moves
After 3... Qb6 — Trompowsky Attack: Trompowsky, 2...c5 main line
Position breakdown
A factual read of the position after the main line — the files, the centre, the pawn structure and king safety that decide how the middlegame is played. These are computed from the actual board, not generic advice.
Files
Centre control
Open centre
The d4/d5/e4/e5 squares — who occupies the centre decides how open the game becomes.
Pawn skeleton
Pawns only — the structure that explains every open file and majority at a glance.
Material level
Queenside pawns 3–3
Kingside pawns 3–3
Development
Dark-squared bishop active
Knight active
King safety
White king e1
Uncastled — take care
Black king e8
Uncastled — take care
Computed from the final position of the main line above — 6 plies, white to move.
Strategic ideas
Ideas for White
Trade the dark-squared bishop when it profits, build the e4/d4 centre, and exploit Black's loosened pawn structure with piece play.
Ideas for Black
Choose between solid ...e6 setups and sharp ...Ne4/...c5 counters — precise move orders matter more than memorised lines.
Plans & pawn structures
- 1In this open centre, development speed and king safety trump material — get castled, connect the rooks onto the open lines, and look for tactics against the less-coordinated side.
- 2Watch the pawn breaks — both yours and your opponent's. In these structures the player who times the central break better usually wins the game.
Typical middlegame structures
The main line leads to an open centre — the central pawns have largely been traded, so open files and piece activity decide the game rather than pawn play. No files have opened yet, so this is a manoeuvring struggle: improve your pieces and prepare the pawn break that will open the position on your terms.
Traps & tactical motifs
The Bxf6/...gxf6 structure offers Whcareless early Ng5 ideas can backfire.
How to Play Against the Trompowsky, 2...c5
- In this open position Black must match development tempo for tempo — fall behind on castling and coordination and the open lines turn against you at once.
Masters & history
Study plan & who it's for
Expect to invest a weekend or two into the main lines. In return you get a fighting system that scales all the way to master level for White players.
Play through the main line above until the piece setup feels natural.
Learn the two or three critical pawn breaks for both sides.
Drill one variation at a time — always connecting moves to plans.