B03 · Semi-Open · a defense for Black

Alekhine Defense: O'Sullivan Gambit

6/6
1.e4Nf62.e5Nd53.d4b5
Live databaseLichess 1600–2000 · blitz + rapid
Alekhine Defense: O'Sullivan Gambit148k games · White to move
MoveWhite / draw / BlackPlayedGamesScore
57%84k43%
20%29k45%
8.7%13k56%
6.8%10k42%
2.7%4.0k48%
1.3%2.0k53%
0.9%1.3k50%
0.5%79553%
0.5%77245%
0.5%71049%
Family
Alekhine Defense
Category
Semi-Open
First move
1.e4
ECO
B03
Line
1. e4 Nf6 2. e5 Nd5 3. d4 b5
GambitHypermodern
★ Read the guide: Alekhine DefenseExplore all 56 Alekhine Defense lines →
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Nearby lines in the family
Alekhine Defense: The SquirrelB02 3.c4 Nf4Alekhine Defense: Mokele Mbembe, Modern LineB02 2…Ne4 3.d4 f6Alekhine Defense: Mokele Mbembe, Vavra DefenseB02 2…Ne4 3.d4 e6
From the archives

Alexander Alekhine introduced 1...Nf6!? in Budapest 1921: invite White's pawns to chase the knight across the board, then treat the overextended center as a target. It's provocation as strategy, from the only world champion who died holding the title.

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