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Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Be7
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Position in Forsyth-Edwards Notation (FEN)
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| Moves: 1. d4 d5 2. c4 e6 3. Nc3 Be7 | |
| ECO code: D31 | |
| Parent: Queen's Gambit Declined | |
| Synonym(s): Alasortev variation | |
3...Be7 · Charousek variation
[edit | edit source]Black stops White from playing the immediate 4. Bg5, practically forcing White into one of three options:
4. Nf3, simply developing the knight. This is the most common and flexible response, since White doesn't reveal anything about their setup yet. If Black plays 4...Nf6 then 5. Bg5 transposes back into the main lines.
4. Bf4 develops the bishop to f4 instead. White intends to enter the Harrwitz attack.
4. cxd5 transposes into an exchange variation where Black has already played Be7, preventing White from usefully developing the bishop to g5.
Theory table
[edit | edit source]1. d4 d5 2. c4 e6 3. Nc3 Be7
| 4 | 5 | ||
|---|---|---|---|
|
Nf3 Nf6 |
Bg5 | ||
| Harrwitz attack | ... ... |
Bf4 | |
| Exchange variation |
cxd5 exd5 |
Bf4 | = |
|
Bf4 Nf6 |
 |
Wikipedia has related information at Queen's Gambit Declined. |
References
[edit | edit source]- Kasparov, Garry, & Keene, Raymond 1989 Batsford chess openings 2. ISBN 0-8050-3409-9.
2. f4
King's gambit
King's gambit
2...exf4
Accepted
Accepted
Other
Declined
Declined
2. Nc3
Vienna
Vienna
Other
1. e4 other
- Barnes ?
- Borg ?
- Corn stalk ??
- Duras ??
- 1...b5 ??
2. c4 other
2. other:
1. d4 ...other:
Flank
Unorthodox
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