The Panteldakis Countergambit, Pawn Sacrifice Line is a variation of the King's Gambit Declined, catalogued as ECO C30. The line runs 1. e4 e5 2. f4 f5 3. exf5 exf4 4. Qh5+ g6 5. fxg6 Qe7+ 6. Kd1, reaching the position shown below after 11 half-moves.
The four central squares are empty of pawns, so the fight for them is being conducted by pieces, and one pawn capture is available, so the structure has not settled yet. Neither side has developed a minor piece yet, and White is up a pawn of material. It is Black to move after six moves. White has doubled pawns on the g-file; Black’s h- and f-files pawns are isolated; the e-file file is fully open.
On the King's Gambit Declined generally: Black declines the gambit pawn, leading to solid and strategic middlegame positions.
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The Panteldakis Countergambit, Pawn Sacrifice Line goes 1. e4 e5 2. f4 f5 3. exf5 exf4 4. Qh5+ g6 5. fxg6 Qe7+ 6. Kd1. It is a variation of the King's Gambit Declined and is catalogued as ECO C30.
The Panteldakis Countergambit, Pawn Sacrifice Line is ECO C30. ECO codes group openings by their move order, so nearby codes cover closely related lines of the King's Gambit Declined.
Stockfish evaluates the position after 1. e4 e5 2. f4 f5 3. exf5 exf4 4. Qh5+ g6 5. fxg6 Qe7+ 6. Kd1 at +1.06 at depth 18, which is a small but real edge for White. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
The four central squares are empty of pawns, so the fight for them is being conducted by pieces, and one pawn capture is available, so the structure has not settled yet. Neither side has developed a minor piece yet, and White is up a pawn of material. It is Black to move. White has doubled pawns on the g-file; Black’s h- and f-files pawns are isolated; the e-file file is fully open.