About this opening
Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation is an opening in the Encyclopedia of Chess Openings,
classified under code B67. 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 16 half-moves from the
starting position, with the move sequence 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7.
It belongs to the Sicilian Defense family.
Within that family this is a level-2 branch (the Richter-Rauzer Variation → Neo-Modern Variation line). The immediate parent line is Sicilian Defense: Richter-Rauzer Variation, transitioned via 8…Bd7.
The opening sequence in prose form: 1.e4 c5, 2.Nf3 Nc6, 3.d4 cxd4, 4.Nxd4 Nf6, 5.Nc3 d6, 6.Bg5 e6. From this position exactly one named continuation is recorded in the encyclopaedia.