Library/Openings/King's Gambit Accepted/Bishop's Gambit/Boren-Svenonius Variation ECO C33
Opening· 10 plies

King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation

An entry in the Encyclopedia of Chess Openings (ECO C33), reached after 10 half-moves: 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6.

King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation ECO C33
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Black rook
Black knight
Black bishop
Black king
Black knight
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black bishop
White bishop
White pawn
Black pawn
Black queen
White pawn
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White knight
White bishop
White queen
White king
White knight
White rook
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End of this line

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About this opening

King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation is an opening in the Encyclopedia of Chess Openings, classified under code C33. ECO group C (C00–C99) covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached after 10 half-moves from the starting position, with the move sequence 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6.

It belongs to the King's Gambit Accepted family. Within that family this is a level-2 branch (the Bishop's Gambit → Boren-Svenonius Variation line). The immediate parent line is King's Gambit Accepted: Bishop's Gambit, transitioned via 5…Bd6.

The opening sequence in prose form: 1.e4 e5, 2.f4 exf4, 3.Bc4 d5, 4.Bxd5 Qh4+, 5.Kf1 Bd6. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.