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- Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...b5/4. Bxb5/4...c5
Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...b5/4. Bxb5/4...c5
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| O'Sullivan Gambit | |
|---|---|
|
a
b
c
d
e
f
g
h
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
a
b
c
d
e
f
g
h
|
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Position in Forsyth-Edwards Notation (FEN)
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| Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 b5 4. Bxb5 c5 | |
Alekhine Defense: O'Sullivan Gambit
[edit | edit source]Black now threatens Qa5+ to threaten the bishop with check. Thus, 5. dxc5? is a mistake. The most common ways to deal with Qa5+ is 5. Bc4, c4, or c3.
Theory table
[edit | edit source].
'1.e4 Nf6 2.e5 Nd5 3.d4 b5 4.Bxb5 c5'
| 3 | ||
|---|---|---|
|
... d6 |
= |
'1.e4 Nf6 2.e5 Nd5 3.d4'
| 3 | ||
|---|---|---|
|
... e6 |
= |
References
[edit | edit source] |
Wikipedia has related information at Alekhine's Defence. |
- 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
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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