Chess Opening Theory/1. c4/1...b5

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Halibut Gambit
a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

rnbqkbnr/p1pppppp/8/1p6/2P5/8/PP1PPPPP/RNBQKBNR

Moves: 1.c4 b5
ECO code: A10
Parent: English Opening


English Opening: Halibut Gambit[edit | edit source]

The Halibut gambit is a wing gambit. Black sacrifices a pawn on b5 to move white's central pawn to the outermost flank, while also helping black develop his pieces after 3.bxa6 with either then 3...Bxa6, 3...Nxa6, or even 3...e5 ignoring the pawn like in the Benko Gambit and grabbing space in the center.

Theory table[edit | edit source]

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

1.c4 b5

2 3 4 5 6
cxb5
a6
e4!
Bb7
Nc3
Nf6
e5
Nd5
Nf3
e6
+=
...
...
...
d5
exd5
Nf6
d4
Nxd5
Nf3
e6
+=

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References[edit | edit source]