♞Chess Trainer
A45bPlay as Black2 lines to train

Learn the Trompowsky Attack

An early Bg5 system that disrupts Black’s normal Indian-defense development. Black aims to challenge the bishop and claim the center without weakening key squares.

Practice this openingUnderstand the moves
Main line

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5

1.d41…Nf62.Bg52…Ne43.Bf43…d5

The idea

Why this opening works

The Trompowsky Attack gives Black a clear route to challenge the bishop and claim the center without weakening key squares. Its recurring positions revolve around the f6 knight, doubled pawns, and flexible center formation, so the repertoire rewards understanding the structure as much as remembering the move order.

What to remember

  • Know the first 6 half-moves of the main line.
  • Understand the purpose of your key moves before adding more theory.
  • Practice the branches until you can respond without move-order guessing.

Move by move

The moves worth understanding

Theory sticks when every move has a job. Start with these ideas from the trainer.

Scroll down through 5 positions

  1. Position 1 of 5

    1...Nf6

    g8 → f6

    Nf6 begins the Trompowsky Attack plan: challenge the bishop and claim the center without weakening key squares.

  2. Position 2 of 5

    2...Ne4

    f6 → e4

    Ne4 develops or reroutes the knight toward the central squares that drive this opening.

  3. Position 3 of 5

    3...d5

    d7 → d5

    d5 reinforces the center and prepares the next piece-development or pawn-break decision.

  4. Position 4 of 5

    2...e6

    e7 → e6

    e6 reinforces the center and prepares the next piece-development or pawn-break decision.

  5. Position 5 of 5

    3...h6

    h7 → h6

    h6 gains kingside space and prepares the pawn lever that gives this setup its attacking potential.

Trainer variations

Lines you’ll meet

These are representative branches from the drill, not a demand to memorize everything at once.

Line 11. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5
Line 21. d4 Nf6 2. Bg5 e6 3. e4 h6

Quick answers

Trompowsky Attack questions

What is the Trompowsky Attack?

An early Bg5 system that disrupts Black’s normal Indian-defense development. Black aims to challenge the bishop and claim the center without weakening key squares. The Trompowsky Attack gives Black a clear route to challenge the bishop and claim the center without weakening key squares. Its recurring positions revolve around the f6 knight, doubled pawns, and flexible center formation, so the repertoire rewards understanding the structure as much as remembering the move order.

What is the main line of the Trompowsky Attack?

This trainer starts with 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5. The exact move order can change by variation, so learn the purpose of each move as well as the sequence.

Is the Trompowsky Attack good to learn as Black?

It can be a useful part of a Black repertoire if its positions match how you like to play. Learn the main plan first, then use the drill to test the recurring replies.

Study next

E60bKing's Indian DefenseA hypermodern defense — let White build the center, then counter-attack it.1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7D30bQueen's Gambit DeclinedHold the center with ...e6 and ...d5 — solid, reliable, and strategic.1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7D10bSlav DefenseMeet 1.d4 d5 2.c4 with ...c6 — keep a solid pawn chain and a free light-squared bishop.1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6

Turn the guide into recall

Now play the Trompowsky Attack from memory.

The drill gives you an opponent reply, checks your response, and repeats the branches that need more work.

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