Bird Opening (A02-A03 (+B21))

Main lineA02

1. f4

No pawn stands on d4, e4, d5 or e5 - this line is played with the centre squares empty.

1. f4 Fights for e5 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Bird Opening.

From's GambitA02

1. f4 e5

In the centre, Black holds e5.

1... e5 Stakes a claim in the centre, controlling d4, and frees the bishop and queen. The pawn is genuinely on offer - this is the From's Gambit: development and initiative over material.

Hobbs GambitA02

1. f4 g5

1... g5 Challenges the pawn on f4 - the central tension has to resolve. The pawn is genuinely on offer - this is the Hobbs Gambit: development and initiative over material.

Horsefly DefenseA02

1. f4 Nh6

1... Nh6 Develops the knight to h6. It backs up the pawn on f7. Theory calls this the Horsefly Defense.

Myers DefenseA02

1. f4 b5

1... b5 Opens the c8-a6 diagonal for the bishop. Theory calls this the Myers Defense.

From's Gambit, Bahr GambitA02

1. f4 e5 2. Nc3

2. Nc3 Develops the knight to c3, eyeing d5 and e4. The pawn is genuinely on offer - this is the Bahr Gambit: development and initiative over material.

MujannahA02

1. f4 Nf6 2. c4

1... Nf6 Develops the knight to f6, eyeing d5 and e4.
2. c4 Fights for d5 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Mujannah.

Wagner-Zwitersch GambitA02

1. f4 f5 2. e4

In the centre, White holds e4.

1... f5 Fights for e4 from the flank - contesting the centre without committing a centre pawn.
2. e4 Stakes a claim in the centre, controlling d5, and frees the bishop and queen. The pawn is genuinely on offer - this is the Wagner-Zwitersch Gambit: development and initiative over material.

Double Duck FormationA02

1. f4 f5 2. d4 d5

In the centre, White holds d4 while Black holds d5.

2. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
2... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen. Theory calls this the Double Duck Formation.

Hobbs-Zilbermints GambitA02

1. f4 h6 2. Nf3 g5

1... h6 A useful waiting move that keeps the structure flexible on the h-file.
2. Nf3 Develops the knight to f3, eyeing d4 and e5.
2... g5 Theory calls this the Hobbs-Zilbermints Gambit.

Lasker GambitA02

1. f4 e5 2. fxe5 f6

White is up material out of the opening - Black is banking on activity to show for it. White has doubled pawns on the e-file.

2. fxe5 Takes the pawn on e5, toward the centre.
2... f6 Challenges the pawn on e5 - the central tension has to resolve. Theory calls this the Lasker Gambit.

Platz GambitA02

1. f4 e5 2. fxe5 Ne7

2... Ne7 Develops the knight to e7, eyeing d5. Theory calls this the Platz Gambit.

Schlechter GambitA02

1. f4 e5 2. fxe5 Nc6

2... Nc6 Develops the knight to c6, eyeing d4 and e5. Theory calls this the Schlechter Gambit.

Batavo-Polish AttackA02

1. f4 Nf6 2. Nf3 g6 3. b4

2... g6 Prepares the fianchetto: the bishop will take the long diagonal via g7.

From's Gambit, Langheld GambitA02

1. f4 e5 2. fxe5 d6 3. exd6 Nf6

White has doubled pawns on the d-file.

An early pawn trade leaves the d-file as White's avenue and the e-file as Black's - both sides get real winning chances down their own file. Black keeps the extra pawn; White plays for time, open lines, and initiative - the classic gambit trade.

2... exd4 Takes the pawn on d4, toward the centre.

Swiss GambitA02

1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4

An early pawn trade leaves the e-file as White's avenue and the f-file as Black's - both sides get real winning chances down their own file.

2... fxe4 Takes the pawn on e4, toward the centre.

From's Gambit, Lasker VariationA02

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5

From's Gambit, Lipke VariationA02

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4

Dutch VariationA03

1. f4 d5

In the centre, Black holds d5.

1... d5 Theory calls this the Dutch Variation.

Dutch Variation, Dudweiler GambitA03

1. f4 d5 2. g4

2. g4 Opens the f1-h3 diagonal for the bishop. The pawn is genuinely on offer - this is the Dudweiler Gambit: development and initiative over material.

Sturm GambitA03

1. f4 d5 2. c4

2. c4 Challenges the pawn on d5 - the central tension has to resolve. The pawn is genuinely on offer - this is the Sturm Gambit: development and initiative over material.

Williams Gambit, through 2. e4A03

1. f4 d5 2. e4

In the centre, White holds e4 while Black holds d5.

2. e4 The pawn is genuinely on offer - this is the Williams Gambit: development and initiative over material.

Lasker VariationA03

1. f4 d5 2. Nf3 Nf6 3. e3 c5

2... Nf6 It also props up the d5 pawn.

Williams Gambit, after 2... dxe4A03

1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Qe2

An early pawn trade leaves the d-file as Black's avenue and the e-file as White's - both sides get real winning chances down their own file.

2... dxe4 Takes the pawn on e4, toward the centre and opens the d-file for the queen.

Williams-Zilbermints GambitA03

1. f4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Nge2

Thomas GambitA03

1. f4 d5 2. b3 Nf6 3. Bb2 d4 4. Nf3 c5 5. e3

White's queenside bishop takes the long diagonal.

2. b3 Prepares the fianchetto: the bishop will take the long diagonal via b2.

Dutch Variation, Batavo GambitB21

1. e4 c5 2. f4 d5 3. Nf3 dxe4

1... c5 Fights for d4 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Sicilian Defense.
2. f4 Theory calls this the McDonnell Attack.

Bird Opening