Réti Opening: Anglo-Slav Variation, Torre System (4. b3 Bg4)

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4

Réti Opening: Anglo-Slav Variation, Torre System after 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 87654321abcdefgh

The Réti Opening: Anglo-Slav Variation, Torre System is a chess opening classified as ECO A12, reached after 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4. It is a line of the Réti Opening. White is to move. 2 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 2 times by this move order. White won 50%, 0% were drawn and Black won 50%. The most popular continuation is 5. Bg2 (50% of games).

Engine evaluation: +0.03 (Stockfish, depth 35; best line 5. Bg2 e6 6. O-O Be7 7. d4 Nbd7)

ECO
A12
Moves
8 plies
FEN
rn1qkb1r/pp2pppp/2p2n2/3p4/2P3b1/1P3NP1/P2PPP1P/RNBQKB1R w KQkq - 1 5
PGN
1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4

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

Results by rating

Average ratingGamesWhite / draw / Black
2000+250%50%
All250%50%

Most played moves

MoveGamesWhite / draw / Black
5. Bg2
Anglo-Slav Variation, Torre System (4… Bg4 5. Bg2)
1 (50%)100%
5. Ne51 (50%)100%

Master games

4 over-the-board games are classified under this line (White 0%, draw 50%, Black 50%). The strongest:

Search all games of the Réti Opening: Anglo-Slav Variation, Torre System and its sub-variations

Highest-rated Lichess games

Comes from

Réti Opening: Anglo-Slav Variation (3… d5 4. b3) 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3

Continuations

More Réti Opening 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.