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Chess Opening Theory/1. e4/1...Nc6/2. d4/2...d5/3. Nc3/3...a6/4. exd5/4...Nb4/5. Bc4/5...Nf6

Nimzowitsch Defence
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Position in Forsyth-Edwards Notation (FEN)
Moves: 1. e4 Nc6 2. d4 d5 3. Nc3 a6 4. exd5 Nb4 5. Bc4 Nf6

White now has a number of viable options against black. 6. Bg5 Bg4 7. f3 Bf5 8. Bb3 Nbxd5 9. Nxd5 Nxd5 and White cannot easily prove an advantage. 6. Bf4 Bf5 7. Bb3 Nbxd5 8. Nxd5 Nxd5 9. Bg3 e6 with equality. 6. Nf3 Bf5 7. Bb3 Nbxd5 8. Nxd5 Nxd5 9. 0-0 e6 is also equal.

References

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v · t · e
Chess Opening Theory
1. e4 e5
Open games
3. Bb5
Spanish
3. Bc4
Italian
3. Nc3
Three knights
Other
2...Nf6
Russian
2...d6
Philidor
Other
2. f4
King's gambit
2. Nc3
Vienna
Other
1. e4 c5
Sicilian
1. e4 e6
French
1. e4 c6
Caro-Kann
1. e4 other
1. d4 d5
Closed games
1. d4 Nf6
Indian
1. d4 f5
Dutch
1. d4 ...other:
Flank
Unorthodox