Library/Openings/Bishop's Opening/Urusov Gambit/Keidansky Gambit ECO C43
Opening· 9 plies

Bishop's Opening: Urusov Gambit, Keidansky Gambit

An entry in the Encyclopedia of Chess Openings (ECO C43), reached after 9 half-moves: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4.

Bishop's Opening: Urusov Gambit, Keidansky Gambit ECO C43
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Black rook
Black knight
Black bishop
Black queen
Black king
Black bishop
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
White bishop
White queen
Black knight
White knight
White pawn
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White knight
White bishop
White king
White rook
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End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Bishop's Opening: Urusov Gambit, Keidansky Gambit is an opening in the Encyclopedia of Chess Openings, classified under code C43. 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 9 half-moves from the starting position, with the move sequence 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4.

It belongs to the Bishop's Opening family. Within that family this is a level-2 branch (the Urusov Gambit → Keidansky Gambit line). The immediate parent line is Bishop's Opening: Urusov Gambit, transitioned via 5.Qxd4.

The opening sequence in prose form: 1.e4 e5, 2.Bc4 Nf6, 3.d4 exd4, 4.Nf3 Nxe4, 5.Qxd4. 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.