Sicilian Defense: Richter-Rauzer Variation, Classical Variation (9… Nxd4 10. Qxd4)

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4

Sicilian Defense: Richter-Rauzer Variation, Classical Variation after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 87654321abcdefgh

The Sicilian Defense: Richter-Rauzer Variation, Classical Variation is a chess opening classified as ECO B65, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4. It is a line of the Sicilian Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 7 times by this move order. White won 29%, 14% were drawn and Black won 57%. The most popular continuation is 10… Qa5 (86% of games).

Engine evaluation: +0.48 (Stockfish, depth 30; best line 10… Qa5 11. Be2 Bd7 12. Rhf1 h6 13. Bxf6)

ECO
B65
Moves
19 plies
FEN
r1bq1rk1/pp2bppp/3ppn2/6B1/3QPP2/2N5/PPP3PP/2KR1B1R b - - 0 10
PGN
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
2000+729%14%57%
All729%14%57%

Most played moves

MoveGamesWhite / draw / Black
10… Qa56 (86%)17%16%67%
10… Ne81 (14%)100%

Master games

113 over-the-board games are classified under this line (White 46%, draw 29%, Black 25%). The strongest:

Search all games of the Sicilian Defense: Richter-Rauzer Variation, Classical Variation and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4

More Sicilian Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.