Train & Practice Nimzo-Indian Defense with ChessDoctrine

Practice the Nimzo-Indian Defense in Classical, Rubinstein, Saemisch, and Kmoch variations. Use our Nimzo-Indian Defense guide alongside 8 guided lines, 16 exercises, and six starting positions for games against the bot.

Training: Nimzo-Indian Defense
All opening trainers 82 openings
1

Learn the lines of the guide

Study eight guide-backed lines with no extensions: Classical play from both sides, the Rubinstein isolated-pawn structure, the Samisch doubled pawns, the Kmoch center challenge, the Leningrad pin, the Three Knights fianchetto, and the Family Fork. Three lines explain White's aims and five train Black's replies.

Keyboard: ← → step through the moves. Click any move chip to jump.

Where the moves come from: every line and position in this trainer comes from our Nimzo-Indian Defense guide. The guide's five test positions are answered by Samisch ...Bxc3+ (-0.14), Classical ...Bxc3+ (-0.15), ...Nc2+ (-6.31), e3 (+0.16), and ...d6 (-0.44).

2

Drill the 16 decisions that matter

The 16 boards cover the queen recapture in the Classical, Rubinstein liquidation, Three Knights recapture, correctly timed ...Bxc3+, Samisch ...c5, Kmoch ...d5 and ...Qa5, the Leningrad queen pin, and both moves of the Family Fork. Every named alternative is legal on its exact board.

Keyboard: Enter next drill · H hint · R reset the position.

3

Play the bot and apply it

Choose one of six starting positions and set the opponent from 600 to 3000. The coach comments on eleven key moments, including the opening pin, Classical structural decision, Rubinstein liquidation, Samisch and Kmoch center strikes, Leningrad pin, Three Knights recapture, and Family Fork.

Nimzo-Indian Defense variations

The six starts contain the main Nimzo-Indian position, book lines for the Classical, Rubinstein, Samisch, and Kmoch variations, plus the Family Fork position. Every mirrored goal names original pieces, pawns, squares, and a move deadline from Black's side.

How strong should the bot be?

Nimzo-Indian DefenseECO E · 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 · you are Black

Where to go after this trainer

Three directions, each with a reason. Everything below links to a page that exists today.

Read the source and related defenses

Train related Queen's Pawn courses

Strengthen the transferable skills