Alekhine Defense: O'Sullivan Gambit
ECO: B03Semi-Open Games1.e4 Nf6 2.e5 Nd5 3.d4 b5
no master games reached this exact line · estimated data
How it's played
Start
1.2.3.
About the Alekhine Defense: O'Sullivan Gambit
The Alekhine Defense: O'Sullivan Gambit is a line of the Alekhine Defense, catalogued under ECO code B03 in the Semi-Open Games section of the Encyclopaedia of Chess Openings.
It arises after 1.e4 Nf6 2.e5 Nd5 3.d4 b5, with Black playing the move that gives the line its name.
The Alekhine Defense has 56 named lines in our opening book; the ones closest to this position are listed below.
Other lines of the Alekhine Defense
- Alekhine Defense: Krejcik VariationB02 · 1.e4 Nf6 2.Bc4
- Alekhine Defense: Maróczy VariationB02 · 1.e4 Nf6 2.d3
- Alekhine Defense: Brooklyn VariationB02 · 1.e4 Nf6 2.e5 Ng8
- Alekhine Defense: Mokele MbembeB02 · 1.e4 Nf6 2.e5 Ne4
- Alekhine Defense: Normal VariationB02 · 1.e4 Nf6 2.e5 Nd5
- Alekhine Defense: Scandinavian VariationB02 · 1.e4 Nf6 2.Nc3 d5
- Alekhine DefenseB03 · 1.e4 Nf6 2.e5 Nd5 3.d4
- Alekhine Defense: Buckley AttackB02 · 1.e4 Nf6 2.e5 Nd5 3.Na3