Analysis
AI StudioNew
Pricing

Loading…

Library|E21Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation

E21Nimzo-Indian Defense: Three Knights Variation, Korchnoi VariationMove 5 / 5

8

7

6

5

4

3

2

a1

b

c

d

e

f

g

h

E21White2 book lines continue

Three Knights Variation, Korchnoi Variation

Nimzo-Indian Defense

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5

Also known as Nimzo-Indian Defense, Three Knights Variation, Korchnoi Variation, Nimzo-Indian, Nimzo-Indian: three knights, Korchnoi variation.

Continue in explorer

The line

1.
2.
3.
4.
5.

Where the book goes

b5E21Nimzo-Indian Defense: Three Knights Variation, Shocron Gambit
Ne4E21Nimzo-Indian Defense: Three Knights Variation, Euwe Variation

Nimzo-Indian Defense

E12–E59 · 100 lines

Main lines2

E20Nimzo-Indian Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
E50Nimzo-Indian Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3

Rubinstein System8

E40Rubinstein System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3
E41Rubinstein System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5
E40Rubinstein System, Taimanov Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6
E42Rubinstein System, Rubinstein Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2
E42Rubinstein System, Rubinstein Variation, Main Line
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3
E42Rubinstein System, Rubinstein Variation, Sherbakov Attack
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. c5
E41Rubinstein System, Hübner Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6
E41Rubinstein System, Hübner Variation
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

Normal Variation18

E46Normal Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O
E47Normal Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3
E51Normal Variation, Ragozin Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5
E48Normal Variation, Classical Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5
E41Normal Variation, Hübner Deferred
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O
E51Normal Variation, Sämisch Deferred
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3
E53Normal Variation, Gligoric System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5
E52Normal Variation, Schlechter Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6
E49Normal Variation, Botvinnik System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3
E56Normal Variation, Gligoric System, Bernstein Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6
E52Normal Variation, Schlechter Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5
E53Normal Variation, Gligoric System, Keres Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O b6
E53Normal Variation, Gligoric System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7
E54Normal Variation, Gligoric System, Exchange Variation
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
E55Normal Variation, Gligoric System, Bronstein Variation
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
E54Normal Variation, Gligoric System, Smyslov Variation
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
E58Normal Variation, Bernstein Defense, Exchange Line
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
E59Normal Variation, Bernstein Defense
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

Classical Variation20

E32Classical Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2
E34Classical Variation, Noa Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5
E38Classical Variation, Berlin Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5
E33Classical Variation, Zurich Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6
E36Classical Variation, Noa Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3
E39Classical Variation, Berlin Variation, Pirc Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O
E35Classical Variation, Noa Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5
E33Classical Variation, Milner-Barry Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6
E38Classical Variation, Berlin Variation, Steiner Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc3+
E32Classical Variation, Keres Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6
E36Classical Variation, Noa Variation, Main Line
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4
E36Classical Variation, Noa Variation, Botvinnik Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6
E36Classical Variation, Romanishin Gambit
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5
E32Classical Variation, Vitolins-Adorjan Gambit
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5
E37Classical Variation, Noa Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2
E39Classical Variation, Berlin Variation, Macieja System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6
E37Classical Variation, Modern Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5
E34Classical Variation, Belyavsky Gambit
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qd1 e5
E39Classical Variation, Berlin Variation, Macieja System
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6 8. Bf4
E37Classical Variation, Noa Variation, San Remo Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6 8. e3 e5

Sämisch Variation12

E24Sämisch Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3
E24Sämisch Variation, Accelerated
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3
E27Sämisch Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O
E28Sämisch Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3
E26Sämisch Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3
E26Sämisch Variation, O'Kelly Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6
E25Sämisch Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5
E29Sämisch Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O
E25Sämisch Variation, Keres Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5
E25Sämisch Variation, Romanovsky Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5
E24Sämisch Variation, Botvinnik Variation
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
E29Sämisch Variation, Capablanca Variation
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

Leningrad Variation3

E30Leningrad Variation
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5
E31Leningrad Variation, Benoni Defense
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6
E30Leningrad Variation, Averbakh Gambit
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5