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Nimzo-Indian Defense
You play Black · 66 variations
Mixed practice
The machine picks a different variation every time.
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10 positions: find the next theory move in each. No take-backs, no hints.
Main variations · 62
- Rubinstein SystemE411. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c54 moves
- Rubinstein System, Rubinstein Variation, Main LineE421. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a37 moves
- Rubinstein System, Hübner VariationE411. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O O-O8 moves
- Rubinstein System, Rubinstein Variation, Sherbakov AttackE421. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. c57 moves
- Rubinstein System, Taimanov VariationE401. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc64 moves
- Classical VariationE321. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc24 moves
- Classical Variation, Noa Variation, Main LineE361. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne46 moves
- Classical Variation, Noa Variation, San Remo VariationE371. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e58 moves
- Classical Variation, Belyavsky GambitE341. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qd1 e57 moves
- Classical Variation, Berlin Variation, Macieja SystemE391. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b67 moves
- Classical Variation, Modern VariationE371. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c57 moves
- Classical Variation, Berlin VariationE381. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c56 moves
- Classical Variation, Keres DefenseE321. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b66 moves
- Classical Variation, Noa Variation, Botvinnik VariationE361. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc66 moves
- Classical Variation, Romanishin GambitE361. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c56 moves
- Classical Variation, Vitolins-Adorjan GambitE321. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b56 moves
- Classical Variation, Berlin Variation, Steiner VariationE381. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc3+5 moves
- Classical Variation, Milner-Barry VariationE331. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d65 moves
- Classical Variation, Noa VariationE351. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd55 moves
- Normal VariationE471. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd35 moves
- Normal Variation, Bernstein DefenseE591. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Nc6 10. O-O Qc7 11. Qc211 moves
- Normal Variation, Bernstein DefenseE591. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc410 moves
- Normal Variation, Gligoric System, Bernstein DefenseE571. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 dxc4 9. Bxc4 cxd49 moves
- Normal Variation, Gligoric System, Exchange VariationE541. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 cxd4 9. exd49 moves
- Normal Variation, Gligoric System, Bronstein VariationE551. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd78 moves
- Normal Variation, Gligoric System, Smyslov VariationE541. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Qe78 moves
- Normal Variation, Gligoric SystemE531. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd77 moves
- Normal Variation, Gligoric System, Keres VariationE531. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O b67 moves
- Normal Variation, Schlechter DefenseE521. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d57 moves
- Normal Variation, Schlechter DefenseE521. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b66 moves
- Normal Variation, Sämisch DeferredE511. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a36 moves
- Sämisch VariationE291. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O7 moves
- Sämisch VariationE251. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd57 moves
- Sämisch VariationE261. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e36 moves
- Sämisch VariationE281. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc36 moves
- Sämisch VariationE271. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O5 moves
- Sämisch Variation, Capablanca VariationE291. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O 8. Ne2 b6 9. e4 Ne89 moves
- Sämisch Variation, Botvinnik VariationE241. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. e3 O-O 8. cxd5 Nxd58 moves
- Sämisch Variation, Romanovsky VariationE251. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f58 moves
- Sämisch Variation, O'Kelly VariationE261. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b66 moves
- St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Na4 cxd4 9. a3 Be79 moves
- St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2 Bb7 7. Bd3 Bxc3+ 8. bxc3 f5 9. O-O9 moves
- St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 b6 7. O-O Bb7 8. Na4 Qe78 moves
- St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O8 moves
- St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Nf3 b6 7. Bd3 Bb77 moves
- St. Petersburg VariationE441. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne25 moves
- St. Petersburg Variation, Romanishin-Psakhis VariationE441. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba56 moves
- St. Petersburg Variation, with Ne4E431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne46 moves
- St. Petersburg Variation, American VariationE441. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne45 moves
- St. Petersburg Variation, Fischer VariationE451. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba65 moves
- Leningrad VariationE301. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg54 moves
- Leningrad Variation, Averbakh GambitE301. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b56 moves
- Leningrad Variation, Benoni DefenseE311. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d66 moves
- Spielmann VariationE221. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb34 moves
- Spielmann Variation, Stahlberg VariationE231. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 8. Qc2 f5 9. g39 moves
- Spielmann Variation, Carlsbad VariationE231. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd27 moves
- Romanishin VariationE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 O-O 6. Bg26 moves
- Romanishin VariationE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g34 moves
- Romanishin Variation, English HybridE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd58 moves
- Three Knights VariationE211. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf34 moves
- Three Knights Variation, Euwe VariationE211. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne45 moves
- Three Knights Variation, Shocron GambitE211. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. d5 b55 moves
Other variations · 4
- Dilworth GambitE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e44 moves
- Mikenas AttackE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd34 moves
- Ragozin VariationE511. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 Nc6 7. O-O dxc47 moves
- Simagin VariationE461. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd66 moves