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- Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nd4/4. Nxd4/4...exd4
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nd4/4. Nxd4/4...exd4
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| Bird's defence | |
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Position in Forsyth-Edwards Notation (FEN)
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| Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 | |
| ECO code: C61 | |
| Parent: Bird's defence | |
4...exd4
[edit | edit source]Black completes the knight trade.
5. O-O is the main move, after which Black has two main approaches: 5...Bc5, developing the kingside and supporting the advanced pawn, or 5...c6, gaining tempo on the bishop and supporting 6...d5 to expand in the centre.
A sideline is 5. Bc4 first, putting the bishop on a more threatening diagonal while preventing ...c6 from gaining tempo. This lines sets some traps for Black. If they successfully navigate it, it normally results in the trade of some more minor pieces.
Theory table
[edit | edit source]
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4
| 5 | 6 | 7 | 8 | 9 | 10 | ||
|---|---|---|---|---|---|---|---|
| Bird's defence |
O-O Bc5 |
d3 c6 |
Ba4 Ne7 |
f4 f5 |
Bb3 d5 |
⩲ | |
| ... ... |
... ... |
Bc4 d5 |
exd5 cxd5 |
Bb5+ Bd7 |
= | ||
| ... c6 |
Bc4 Nf6 |
Re1 d6 |
⩲ | ||||
| ... a5 |
d3?? c6 |
Bc4 b5 |
∓ | ||||
| Paulsen variation | ... Ne7 |
||||||
|
Bc4 Nf6 |
O-O Nxe4 |
Bxf7+ Kxf7 |
Qh5+ g6 |
Qd5+ Kg7 |
Qxe4 | ⩲ |
References
[edit | edit source]See also
[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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