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Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...b5/4. Bxb5/4...c5/5. dxc5/5...Qa5
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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
|
|
|
Position in Forsyth-Edwards Notation (FEN)
|
|
| Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 b5 4. Bxb5 c5 5. dxc5 Qa5 | |
Alekhine Defense: O'Sullivan Gambit
[edit | edit source]6. Nc3? does not save the bishop, because Black can capture with their knight. Furthermore, 6. c3? may appear to work because after Black captures the bishop, White can recapture the knight, but 7...Bb7! skewers White's g-pawn and wins the trapped rook. Thus, White's best move is 6. Nd2, conceding their bishop.
Theory table
[edit | edit source].
'1.e4 Nf6 2.e5 Nd5 3.d4 b5 4.Bxb5 c5 5.dxc5 Qa5+'
| 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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