A00Opening
Hungarian Opening
1. g3
Black to move
- Legal moves
- 20
- Games in the next 4 moves
- 217,210
- Different positions among them
- 79,038
- Named lines from here
- 18
Also called the Benko Opening: Pal Benko used 1. g3 to beat both Bobby Fischer and Mikhail Tal at the 1962 Candidates tournament. White prepares to fianchetto the king’s bishop.
It is reached after a single move: 1. g3.
Black is to move and has 20 legal moves. Over the next four moves — two for each side — the game can branch into 217,210 different games. Those games reach 79,038 different positions: most positions can be reached in more than one way, 2.7 on average.
The Lichess opening list names 18 further lines after this position, such as Reversed Alekhine (1... e5 2. Nf3) and Dutch Defense (1... f5).

Move by move
- 1. g3Hungarian Opening
Named lines from here
- Reversed AlekhineA001... e5 2. Nf3
- Dutch DefenseA001... f5
- Lasker Simul SpecialA001... h5
- Indian DefenseA001... Nf6
- Myers DefenseA001... g5
- Sicilian InvitationA001... c5
- Symmetrical VariationA001... g6
- Catalan FormationA001... d5 2. Bg2 e6
- Reversed Modern DefenseA001... d5 2. Bg2 c5
- Slav FormationA001... d5 2. Bg2 c6
- Bücker GambitA001... d5 2. Bg2 e5 3. b4
- Winterberg GambitA001... d5 2. Bg2 e5 3. c4 dxc4 4. b3
- Burk GambitA001... e5 2. a3 d5 3. Nf3 e4 4. Nh4 Be7 5. d3
- Asten GambitA001... Nc6 2. Nc3 d5 3. d4 e5 4. dxe5 d4 5. Ne4 f5
Related openings
- King's Pawn GameB001. e4
- Queen's Pawn GameA401. d4
- English OpeningA101. c4
- Zukertort OpeningA041. Nf3
- Bird OpeningA021. f4
- Nimzo-Larsen AttackA011. b3
- Polish OpeningA001. b4
- Van Geet OpeningA001. Nc3
- Van't Kruijs OpeningA001. e3
- Mieses OpeningA001. d3
FEN
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