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- Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. d4
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. d4
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Position in Forsyth-Edwards Notation (FEN)
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| Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 | |
Two Knights Defence - Classical Variation
[edit | edit source]4. d4
[edit | edit source]- This aggressive move frees White's queenside bishop and adds pressure on the center. However, the e4-pawn is left undefended and that gives Black some options to establish a stable center.
- 4...exd4 is Black's only credible answer.
- 4...Nxe4 can be meet with 5. dxe5 when White threatens Bxf7+ or Qd5 attacking both the e4-knight and f7.
- 4...Nxd4 with Nxe5 undermining the knight on d4.
- 4...Bd6? blockades Black's d-pawn and allows White to take on e5.
Theory table
[edit | edit source].
- 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4.d4
|
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|||
|---|---|---|---|---|---|---|---|---|---|
| 1 | d4 exd4 |
O-O Nxe4 |
Re1 d5 |
Bxd5 Qxd5 |
Nc3 Qh5 |
Nxe4 Be6 |
Bg5 Bd6 |
= | |
| 2 | ... ... |
... Bc5 |
e5 d5 |
exf6 dxc4 |
Re1+ Be6 |
Ng5 Qd5 |
Nc3 Qf5 |
= | |
| 3 | ... ... |
e5 d5 |
Bb5 Ne4 |
Nxd4 Bd7 |
Bxc6 bxc6 |
O-O Bc5 |
Be3 Qe7 |
= | |
| 4 | ... Nxd4 |
Nxe5 Ne6 |
O-O | +/= | |||||
| 5 | ... Nxe4 |
dxe5 d6 |
Bxf7 Kxf7 |
Qd5+ Be6 |
Qxe4 | +/= | |||
| 6 | ... Bd6 |
O-O exd4 |
e5 | +/= |
References
[edit | edit source]- Kasparov, Garry, & Keene, Raymond 1989 Batsford chess openings 2. ISBN 0-8050-3409-9.
1. e4
2. Nf3
2. Other
1... other
1. d4
2. other
2. c4
With 2...e6:
With 2...g6:
With other 2nd moves for Black:
With 2...g6:
With other 2nd moves for Black:
2. Nf3
2. other
1... other
Flank
Unorthodox
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