King's Gambit Accepted: Kieseritzky Gambit, Anderssen Defense

King's Gambit Accepted: Kieseritzky Gambit, Anderssen Defense belongs to the gambit family of chess openings (ECO C39, Open Games). It trades material for attacking chances — a classic trade-off that has fascinated players from the Romantic era to modern correspondence chess.

The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.

It is reached after 14 plies of play, with the move sequence 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6.

The line refines King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, which traces back to the root opening King's Pawn Game.

The line splits into 2 documented sub-systems: King's Gambit Accepted: Kieseritzky Gambit, Anderssen-Cordel Gambit, King's Gambit Accepted: Kieseritzky, Rice Gambit.

In total, the branch covers 3 sub-variations across all depths.

Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.