Réti Opening: Anglo-Slav Variation (3… d5 4. b3)
1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3
The Réti Opening: Anglo-Slav Variation is a chess opening classified as ECO A12, reached after 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3. It is a line of the Réti Opening. Black is to move. 3 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 12 times by this move order. White won 42%, 8% were drawn and Black won 50%. The most popular continuation is 4… g6 (33% of games).
Engine evaluation: −0.04 (Stockfish, depth 44; best line 4… Bf5 5. Bb2 h6 6. d4 e6 7. Bg2)
- ECO
- A12
- Moves
- 7 plies
- FEN
rnbqkb1r/pp2pppp/2p2n2/3p4/2P5/1P3NP1/P2PPP1P/RNBQKB1R b KQkq - 0 4- PGN
1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 2 | |
| 2000+ | 10 | |
| All | 12 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4… g6 | 4 (33%) | |
| 4… Bf5 Anglo-Slav Variation, London Defensive System (4. b3 Bf5) | 3 (25%) | |
| 4… Bg4 Anglo-Slav Variation, Torre System (4. b3 Bg4) | 2 (17%) | |
| 4… Nbd7 | 1 (8%) | |
| 4… e6 | 1 (8%) | |
| 4… dxc4 Anglo-Slav Variation, with dxc4 | 1 (8%) |
Master games
28 over-the-board games are classified under this line (White 29%, draw 35%, Black 36%). The strongest:
- GM Quang Liem Le (2715) – GM Abhijeet Gupta (2588) 1/2-1/2 · PRO League All Stars St1 · 2018-09-08
- FM Matvey Galchenko (2433) – GM Alexander Zubov (2589) 0-1 · UKR vs RUS LCWL bullet 1+1 2020 · 2020-05-17
- IM Vojtech Zwardon (2481) – GM Marcin Krzyzanowski (2518) 1/2-1/2 · TCh-POL Ekstraliga 2020 · 2020-08-29
- FM Levente Papp (2362) – GM Imre dr. Balog (2627) 0-1 · ch-HUN Blitz 2024 · 2024-07-19
- GM Eduardo Iturrizaga Bonelli (2577) – IM Stepan Hrbek (2410) 1-0 · Titled Tue 25th Feb Early · 2025-02-25
Search all games of the Réti Opening: Anglo-Slav Variation and its sub-variations
Highest-rated Lichess games
- Fiepsi (2605) – FM Konnov_Oleg (2565) 0-1 · 2026-09-01 · 180 + 0s
- CM BeWater (2479) – Holguinero (2302) 1-0 · 2026-09-01 · 180 + 2s
- lemra64 (2382) – VBZhadanov (2379) 1/2-1/2 · 2026-09-02 · 180 + 0s
Comes from
Continuations
- Réti Opening: Anglo-Slav Variation, London Defensive System (4. b3 Bf5) A12 · 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5
- Réti Opening: Anglo-Slav Variation, Torre System (4. b3 Bg4) A12 · 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4
- Réti Opening: Anglo-Slav Variation, with dxc4 A12 · 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 dxc4
More Réti Opening lines (all)
- Réti Opening A09
- Réti Opening: Advance Variation A09
- Réti Opening: Advance Variation, Michel Gambit A09
- Réti Opening: Advance Variation, Navara Gambit A09
- Réti Opening: Penguin Variation A09
- Réti Opening: Reversed Blumenfeld Gambit A09
- Réti Opening: Réti Accepted A09
- Réti Opening: Réti Gambit, Keres Variation A09
- Réti Opening: Zilbermints Gambit A09
- Réti Opening: Anglo-Slav Variation, Gurevich System (2… d5 3. e3) A11
- Réti Opening: Anglo-Slav Variation, Gurevich System (3… Nf6 4. Qc2) A11
- Réti Opening: Anglo-Slav Variation, Gurevich System (4… Nbd7 5. Qc2) A11
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.