What King's Gambit Accepted: Allgaier, Horny Defense puts on the board
Black has a one-pawn material edge; white is to move.
White has central pawns on e4.
White can still castle either side; Black no longer has castling rights.
The f-file is open for heavy pieces.
What White is trying to build
Use rapid development and open lines as compensation for the pawn.
Keep the king safe enough for the attack to remain credible.
How Black challenges it
Return material when it finishes development or neutralises the initiative.
Challenge White’s centre instead of trying to hold every extra pawn.
The tactical pattern to recognise
The open f-file and diagonals toward f7 create early mating threats.
Checks against an uncastled king can decide whether the gambit is sound.
What to check before committing
Trying to recover the pawn before completing development.
Clinging to the gambit pawn while the kingside pieces remain trapped.
Choose the next book move
Preview a move to see the resulting position and the idea behind it. Select it to continue on the same board.
Reference links and alternate move orders
Related variations
- King's Gambit Accepted: Abbazia Defense, Main Line
- King's Gambit Accepted: Allgaier Gambit, Thorold Attack
- King's Gambit Accepted: Allgaier Gambit, Urusov Attack
- King's Gambit Accepted: Allgaier, Blackburne Gambit
- King's Gambit Accepted: Allgaier, Cook Variation
- King's Gambit Accepted: Allgaier, Schlechter Defense
- King's Gambit Accepted: Allgaier, Urusov Attack
- King's Gambit Accepted: Bishop's Gambit, Anderssen Defense
- King's Gambit Accepted: Bishop's Gambit, Anderssen Variation
- King's Gambit Accepted: Bishop's Gambit, Bledow Countergambit
- King's Gambit Accepted: Bishop's Gambit, Bledow Variation
- King's Gambit Accepted: Bishop's Gambit, Boden Variation