Library/Openings/Sicilian Defense/Accelerated Dragon/Simagin Variation ECO B37
Opening· 14 plies

Sicilian Defense: Accelerated Dragon, Simagin Variation

An entry in the Encyclopedia of Chess Openings (ECO B37), reached after 14 half-moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh6.

Sicilian Defense: Accelerated Dragon, Simagin Variation ECO B37
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Black rook
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White pawn
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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: Accelerated Dragon, Simagin Variation is an opening in the Encyclopedia of Chess Openings, classified under code B37. 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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh6.

It belongs to the Sicilian Defense family. Within that family this is a level-2 branch (the Accelerated Dragon → Simagin Variation line). The immediate parent line is Sicilian Defense: Accelerated Dragon, transitioned via 7…Nh6.

The opening sequence in prose form: 1.e4 c5, 2.Nf3 Nc6, 3.d4 cxd4, 4.Nxd4 g6, 5.c4 Bg7, 6.Nc2 d6. 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.