The Nimzo-Indian develops two pieces in three moves, pins the c3-knight, and fights for e4 before occupying the center with pawns. As Black, you must decide when ...Bxc3 earns a structural target, when the bishop should stay, and whether ...d5, ...c5, or ...b6 fits White's setup. Practice those choices against the six main fourth moves and finish with the concrete Family Fork.
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.
Source trail: every move sequence and board comes from the Nimzo-Indian Defense guide, its four-variation book, and its recorded position bank. The five retained tests are Samisch ...Bxc3+ (-0.14), Classical ...Bxc3+ (-0.15), ...Nc2+ (-6.31), e3 (+0.16), and ...d6 (-0.44).
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.
Choose one of six verified starts and set the opponent from 600 to 2500. Eleven coach triggers recognize the base pin, Classical structural decision, Rubinstein liquidation, Samisch and Kmoch center strikes, Leningrad pin, Three Knights recapture, and Family Fork.
The six starts contain the exact Nimzo-Indian base, verbatim book seeds for the Classical, Rubinstein, Samisch, and Kmoch variations, plus the no-book Family Fork position. Every mirrored goal names original pieces, pawns, squares, and a move deadline from Black's side.
Three directions, each with a reason. Everything below links to a page that exists today.
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