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Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...b5/4. Bxb5

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

Alekhine Defense: O'Sullivan Gambit

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Black will continue with 4...c5!

Theory table

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.

'1.e4 Nf6 2.e5 Nd5 3.d4 b5 4.Bxb5'

3
...
d6
=

'1.e4 Nf6 2.e5 Nd5 3.d4'

3
...
e6
=

References

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v · t · e
Chess Opening Theory
1. e4 e5
Open games
3. Bb5
Spanish
3. Bc4
Italian
3. Nc3
Three knights
Other
2...Nf6
Russian
2...d6
Philidor
Other
2. f4
King's gambit
2. Nc3
Vienna
Other
1. e4 c5
Sicilian
1. e4 e6
French
1. e4 c6
Caro-Kann
1. e4 other
1. d4 d5
Closed games
1. d4 Nf6
Indian
1. d4 f5
Dutch
1. d4 ...other:
Flank
Unorthodox