Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. d4/4...exd4
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| Two Knights Defence - Classical | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Position in Forsyth-Edwards Notation (FEN) r1bqkb1r/pppp1ppp/2n2n2/8/2BpP3/5N2/PPP2PPP/RNBQK2R | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Two Knights Defence - Classical Variation[edit]
4...exd4[edit]
Black plays exd4. Black is a pawn up but has a number of weaknesses the square e5, the Knight on f6 that can be pinned and also the weak f7 square. This all adds up to giving White a number of options. They are.
- 5. O-O the classical variation.
- 5. e5 the modern variation.
- 5. Ng5 a misguided direct attack on f7.
- 5. Nxd4 rather normal move.
- 5. Bg5 pinning the Knight, but the pin can soon be undone, leaving no advantage for White.
- 5. Qe2 this supports e5, although e5 can be played immediately anyway.
- 5. c3 fails to 5...Nxe4 where Black has the nice d5 available and time to block any pins on the e-file against the King.
Theory table[edit]
For explanation of theory tables see theory table and for notation see algebraic notation
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4.d4 exd4
5 |
6 |
7 |
8 |
9 |
10 |
|||
|---|---|---|---|---|---|---|---|---|
| 1 | 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 | Ng5 d5 |
exd5 Qe7+ |
Kf1 Ne5 |
Qxd4 Nxc4 |
Qxc4 h6 |
Nf3 Qc5 |
= | |
| 5 | Nxd4 Nxe4 |
Bxf7+ Kxf7 |
Qxh5+ g6 |
Qd5 Kg7 |
Nxc6 bxc6 |
Qxe4 Qe8 |
= | |
| 6 | Bg5 Be7 |
O-O O-O |
= | |||||
| 7 | Qe2 Bc5 |
e5 O-O |
O-O d5 |
=/+ | ||||
| 8 | c3 Nxe4 |
=/+ |
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References[edit]
- Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.
- Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.
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