Library/Openings/Sicilian Defense/Wing Gambit/Romanian Defense ECO B20
Opening· 14 plies

Sicilian Defense: Wing Gambit, Romanian Defense

An entry in the Encyclopedia of Chess Openings (ECO B20), reached after 14 half-moves: 1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. Bb2 Nc6 7. c4 Qe6.

Sicilian Defense: Wing Gambit, Romanian Defense ECO B20
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Black 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

Sicilian Defense: Wing Gambit, Romanian Defense is an opening in the Encyclopedia of Chess Openings, classified under code B20. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 14 half-moves from the starting position, with the move sequence 1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. Bb2 Nc6 7. c4 Qe6.

It belongs to the Sicilian Defense family. Within that family this is a level-2 branch (the Wing Gambit → Romanian Defense line). The immediate parent line is Sicilian Defense: Wing Gambit, transitioned via 7…Qe6.

The opening sequence in prose form: 1.e4 c5, 2.b4 cxb4, 3.a3 d5, 4.exd5 Qxd5, 5.Nf3 e5, 6.Bb2 Nc6. 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.