Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6

Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6 87654321abcdefgh

The Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation is a chess opening classified as ECO B63, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6. It is a line of the Sicilian Defense. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 6 times by this move order. White won 33%, 17% were drawn and Black won 50%. The most popular continuation is 8. Nb3 (50% of games).

Engine evaluation: +0.62 (Stockfish, depth 40; best line 8. Nb3 Be7 9. O-O-O O-O 10. Kb1 d5)

ECO
B63
Moves
14 plies
FEN
r1b1kb1r/pp3ppp/1qnppn2/6B1/3NP3/2N5/PPPQ1PPP/R3KB1R w KQkq - 2 8
PGN
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6

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Results by rating

Average ratingGamesWhite / draw / Black
2000+633%17%50%
All633%17%50%

Most played moves

MoveGamesWhite / draw / Black
8. Nb33 (50%)67%33%
8. Nxc62 (33%)100%
8. O-O-O1 (17%)100%

Master games

228 over-the-board games are classified under this line (White 36%, draw 27%, Black 37%). The strongest:

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

Highest-rated Lichess games

Comes from

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

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.