Nimzo-Indian Defense
99 named lines, ECO E20–E59. The main position arises after1. d4 Nf6 2. c4 e6 3. Nc3 Bb4.
| Line | Games | White / draw / Black |
|---|---|---|
| Nimzo-Indian Defense (3. Nc3 Bb4) E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | 26,592 | |
| Classical Variation E32 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 | 4,969 | |
| Dilworth Gambit E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e4 | 292 | |
| Kmoch Variation E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 | 1,455 | |
| Leningrad Variation E30 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 | 3,664 | |
| Mikenas Attack E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3 | 83 | |
| Romanishin Variation (3… Bb4 4. g3) E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 | 276 | |
| Rubinstein System (3… Bb4 4. e3) E40 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 | 3,926 | |
| Sämisch Variation (3… Bb4 4. a3) E24 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 | 2,616 | |
| Spielmann Variation E22 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 | 1,034 | |
| Three Knights Variation E21 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 | 4,052 | |
| Classical Variation, Berlin Variation (4. Qc2 c5) E38 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 | 1,144 | |
| Classical Variation, Noa Variation (4. Qc2 d5) E34 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 | 966 | |
| Classical Variation, Zurich Variation E33 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 | 209 | |
| Normal Variation (4. e3 O-O) E46 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O | 1,443 | |
| Rubinstein System (4. e3 c5) E41 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 | 730 | |
| Rubinstein System, Taimanov Variation E40 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 | 14 | |
| St. Petersburg Variation (4. e3 b6) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 | 655 | |
| Nimzo-Indian Defense (4… O-O 5. Nf3) E50 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 | 155 | |
| Classical Variation, Noa Variation (4… d5 5. a3) E36 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 | 146 | |
| Normal Variation (4… O-O 5. Bd3) E47 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 | 753 | |
| Reshevsky Variation E46 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 | 278 | |
| Rubinstein System, Rubinstein Variation E42 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 | 228 | |
| St. Petersburg Variation (4… b6 5. Ne2) E44 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 | 212 | |
| Three Knights Variation, Korchnoi Variation E21 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 | 113 | |
| Classical Variation, Berlin Variation, Pirc Variation E39 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O | 115 | |
| Classical Variation, Berlin Variation, Steiner Variation E38 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc3+ | 9 | |
| Classical Variation, Milner-Barry Variation E33 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 | 81 | |
| Classical Variation, Noa Variation (5. cxd5 exd5) E35 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 | 221 | |
| Normal Variation, Classical Defense E48 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 | 381 | |
| Normal Variation, Ragozin Variation E51 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 | 61 | |
| Sämisch Variation (5. bxc3 O-O) E27 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O | 623 | |
| Spielmann Variation, Romanovsky Gambit E23 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 | 43 | |
| St. Petersburg Variation, American Variation E44 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 | 20 | |
| St. Petersburg Variation, Fischer Variation E45 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 | 47 | |
| Three Knights Variation, Euwe Variation E21 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4 | 8 | |
| Three Knights Variation, Shocron Gambit E21 · 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. d5 b5 | – | |
| Normal Variation, Sämisch Deferred E51 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3 | 8 | |
| Romanishin Variation (5… O-O 6. Bg2) E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 O-O 6. Bg2 | 7 | |
| Sämisch Variation (5… c5 6. e3) E26 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 | 151 | |
| Sämisch Variation (5… Bxc3+ 6. bxc3) E28 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 | 95 | |
| St. Petersburg Variation (5… Bb7 6. Nf3) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 | 110 | |
| St. Petersburg Variation (5… Ne4 6. Qc2) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2 | 5 | |
| Classical Variation, Berlin Variation (6. Nf3 c5) E38 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5 | 9 | |
| Classical Variation, Keres Defense E32 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 | 60 | |
| Classical Variation, Noa Variation, Botvinnik Variation E36 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6 | 4 | |
| Classical Variation, Noa Variation, Main Line E36 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 | 23 | |
| Classical Variation, Romanishin Gambit E36 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 | 6 | |
| Classical Variation, Vitolins-Adorjan Gambit E32 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5 | 16 | |
| Leningrad Variation, Averbakh Gambit E30 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5 | 1 | |
| Leningrad Variation, Benoni Defense E31 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 | 15 | |
| Normal Variation, Gligoric System (6. Nf3 c5) E53 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 | 29 | |
| Normal Variation, Schlechter Defense (6. Nf3 b6) E52 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 | 7 | |
| Sämisch Variation, O'Kelly Variation E26 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 | 18 | |
| Simagin Variation E46 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd6 | 17 | |
| St. Petersburg Variation (6. Nf3 O-O) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O | 48 | |
| St. Petersburg Variation, Romanishin-Psakhis Variation E44 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5 | 8 | |
| St. Petersburg Variation, with Ne4 E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 | 28 | |
| Classical Variation, Noa Variation (6… Ne4 7. Qc2) E37 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 | 21 | |
| Normal Variation, Botvinnik System E49 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 | 86 | |
| Ragozin Defense E48 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 Nc6 7. O-O | – | |
| Rubinstein System, Rubinstein Variation, Main Line E42 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 | 19 | |
| Rubinstein System, Rubinstein Variation, Sherbakov Attack E42 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. c5 | – | |
| Sämisch Variation (6… c5 7. cxd5) E25 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 | 75 | |
| St. Petersburg Variation (6… O-O 7. O-O) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O | 44 | |
| Classical Variation, Belyavsky Gambit E34 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qd1 e5 | – | |
| Classical Variation, Berlin Variation, Macieja System E39 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6 | 5 | |
| Classical Variation, Modern Variation E37 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 | 4 | |
| Normal Variation, Gligoric System (7. O-O Nbd7) E53 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7 | – | |
| Normal Variation, Gligoric System, Bernstein Defense (7. O-O Nc6) E56 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 | 12 | |
| Normal Variation, Gligoric System, Keres Variation E53 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O b6 | – | |
| Normal Variation, Schlechter Defense (7. O-O d5) E52 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 | 12 | |
| Ragozin Variation E51 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 Nc6 7. O-O dxc4 | – | |
| Rubinstein System, Hübner Variation (7. bxc3 d6) E41 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 | 3 | |
| Sämisch Variation (7. bxc3 O-O) E29 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O | 1 | |
| Spielmann Variation, Carlsbad Variation E23 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 | 12 | |
| Spielmann Variation, Stahlberg Variation (7. Bd2 Nxc5) E23 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 | 2 | |
| St. Petersburg Variation (7. O-O c5) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 | 7 | |
| St. Petersburg Variation (7. Bd3 Bb7) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Nf3 b6 7. Bd3 Bb7 | 2 | |
| Normal Variation, Gligoric System, Exchange Variation (7… dxc4 8. Bxc4) E54 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 | 5 | |
| Sämisch Variation, Keres Variation E25 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 | 20 | |
| St. Petersburg Variation (7… O-O 8. O-O) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O | 5 | |
| Classical Variation, Noa Variation, San Remo Variation E37 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5 | – | |
| Normal Variation, Gligoric System, Bronstein Variation E55 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 | – | |
| Normal Variation, Gligoric System, Smyslov Variation E54 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Qe7 | – | |
| Romanishin Variation, English Hybrid E20 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5 | 1 | |
| Rubinstein System, Hübner Variation (8. O-O O-O) E41 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O O-O | – | |
| Sämisch Variation, Botvinnik Variation E24 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. e3 O-O 8. cxd5 Nxd5 | 7 | |
| Sämisch Variation, Romanovsky Variation E25 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5 | 7 | |
| St. Petersburg Variation (8. Na4 Qe7) E43 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 b6 7. O-O Bb7 8. Na4 Qe7 | – | |
| Normal Variation, Bernstein Defense, Exchange Line E58 · 1. 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 | 5 | |
| Normal Variation, Gligoric System, Exchange Variation (8… cxd4 9. exd4) E54 · 1. 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. exd4 | 2 | |
| Spielmann Variation, Stahlberg Variation (8… f5 9. g3) E23 · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 8. Qc2 f5 9. g3 | – | |
| St. Petersburg Variation (8… f5 9. O-O) E43 · 1. 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-O | – | |
| Normal Variation, Gligoric System, Bernstein Defense (9. Bxc4 cxd4) E57 · 1. 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 cxd4 | – | |
| Sämisch Variation, Capablanca Variation E29 · 1. 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 Ne8 | – | |
| St. Petersburg Variation (9. a3 Be7) E43 · 1. 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 Be7 | – | |
| Normal Variation, Bernstein Defense (9… dxc4 10. Bxc4) E59 · 1. 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. Bxc4 | 2 | |
| Normal Variation, Bernstein Defense (10… Qc7 11. Qc2) E59 · 1. 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. Qc2 | – |