Chess Opening Theory/1. d4/1...Nf6/2. c4/2...c5/3. d5/3...b5

Benko Gambit
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Position in Forsyth-Edwards Notation (FEN)

rnbqkb1r/p2ppppp/5n2/1ppP4/2P5/8/PP2PPPP/RNBQKBNR w

Moves: 1.d4 Nf6 2.c4 c5 3.d5 b5
ECO code: A57-A59
Parent: Benoni Defence

Benko Gambit

Black offers the b5 pawn in return for a slight lead in development and a superior pawn structure. The main idea is that Black gets strong positional pressure against White's queenside, where they have two open files for his rooks (after ...a6), and an open diagonal for the fianchetto on g7. The pawn structure has lasting effect and often even if White enters the endgame up a pawn, they will find it hard to convert this advantage into a win. As theory has developed, however, it's become harder for Black to find lines with winning chances and with proper play white can usually weather the storm.

Theory table

For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. d4 Nf6 2. c4 c5 3. d5 b5

4 5 6 7
cxb5
a6		 bxa6
Bxa6		 Nc3
d6		 Nf3
g6		 ∞
Nf3
g6		 cxb5
a6		 Nc3
axb5		 e4
b4		 ∞
a4
b4		 Nd2
g6		 e4
d6		 Ngf3
Bg7		 ∞
Nd2

References

  • Kasparov, Garry, & Keene, Raymond 1989 Batsford chess openings 2. ISBN 0-8050-3409-9.


v · t · e
Chess openings quick reference
1. e4
1...e5 · Open
2. Nf3
With 2...Nc6:
Four knights: (
)
Italian game: (
)
Spanish game: (
)

With other 2nd moves:
2. Other

1...c5 · Sicilian
2. Nf3 · Open Sicilian
With 2...Nc6:

With 2...d6:

With 2...e6:

With other 2nd moves:
Anti-Sicilians
1... other
Caro-Kann
French
Other


1. d4
1...d5 · Closed
2. c4
2. Nc3
2. other
1...Nf6 · Indian
2. c4
With 2...e6:

With 2...g6:

With other 2nd moves for Black:
2. Nf3
2. other
1... other
Flank
Unorthodox
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