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- Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4
Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4
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| Krejcik variation | |
|---|---|
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a
b
c
d
e
f
g
h
8
7
6
5
4
3
2
1
8
7
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5
4
3
2
1
a
b
c
d
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h
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Position in Forsyth-Edwards Notation (FEN)
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| Moves: 1. e4 Nf6 2. Bc4 Nxe4 | |
| ECO code: B02 | |
| Parent: Alekhine's defence → Krejcik variation | |
2...Nxe4
[edit | edit source]White's only way to recover the pawn is 3. Bxf7+. Black can take the bishop but White wins the knight in trade through the sequence 1. e4 Nf6 2. Bc4 Nxe4 3. Bxf7+ Kxf7 4. Qh5+ Kg8 5. Qd5+ e6 6. Qxe4 d5 7. Qe3 e5 ⩱.
Theory table
[edit | edit source]1. e4 Nf6 2. Bc4 Nxe4
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
|---|---|---|---|---|---|---|---|---|
| Krejcik variation |
Bxf7+ Kxf7 |
Qh5+ Kg8 |
Qd5+ e6 |
Qxe4 d5 |
Qe2 e5 |
Qxe5 Nc6 |
Qe3 | ∓ |
References
[edit | edit source] |
Wikipedia has related information at Alekhine Defence. |
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
Queen's gambit
Queen's gambit
2. other
- Accelerated London
- Colle
- Levitsky !?
- Amazon ?!
- Blackmar-Diemer ?
- Mason ?
- Zurich ??
2. c4 other
2. other:
1. d4 ...other:
Flank
Unorthodox
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