Réti Opening: Reversed Blumenfeld Gambit
1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4
The Réti Opening: Reversed Blumenfeld Gambit is a chess opening classified as ECO A09, reached after 1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4. It is a line of the Réti Opening. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 376 times by this move order. White won 53%, 4% were drawn and Black won 43%. The most popular continuation is 4… b6 (35% of games).
Engine evaluation: 0.00 (Stockfish, depth 60; best line 4… dxe3 5. fxe3 cxb4 6. d4 Nf6 7. Bd3)
- ECO
- A09
- Moves
- 7 plies
- FEN
rnbqkbnr/pp2pppp/8/2p5/1PPp4/4PN2/P2P1PPP/RNBQKB1R b KQkq - 0 4- PGN
1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 17 | |
| 1500-1999 | 186 | |
| 2000+ | 173 | |
| All | 376 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4… b6 | 132 (35%) | |
| 4… dxe3 | 94 (25%) | |
| 4… Nc6 | 47 (13%) | |
| 4… e6 | 37 (10%) | |
| 4… cxb4 | 23 (6%) | |
| 4… Nf6 | 14 (4%) | |
| 4… Bg4 | 10 (3%) | |
| 4… d3 | 7 (2%) |
Master games
239 over-the-board games are classified under this line (White 41%, draw 15%, Black 44%). The strongest:
- GM Erigaisi Arjun (2776) – GM Hans Moke Niemann (2736) 0-1 · Titled Tue 8th Jul Late · 2025-07-08
- GM Erigaisi Arjun (2712) – GM Ian Nepomniachtchi (2771) 0-1 · chess.com SpeedChess 2023 · 2023-09-14
- GM Erigaisi Arjun (2778) – GM Etienne Bacrot (2677) 1-0 · Titled Tue 13th Aug Early · 2024-08-13
- GM Erigaisi Arjun (2782) – GM Gergely Kantor (2584) 1-0 · FIDE World Bl Team Pool D · 2025-06-14
- GM Erigaisi Arjun (2738) – GM Denis Makhnev (2516) 1-0 · Titled Tue 6th Feb Early · 2024-02-06
Search all games of the Réti Opening: Reversed Blumenfeld Gambit and its sub-variations
Highest-rated Lichess games
- axel1702 (2353) – KuoCinyu (2609) 0-1 · 2026-09-03 · 600 + 0s
- CM Utopist_Trainer (2513) – LI-DC (2392) 1-0 · 2026-09-03 · 180 + 0s
- axel1702 (2410) – gajiyev (2467) 0-1 · 2026-09-01 · 600 + 0s
Comes from
Réti Opening: Advance Variation 1. Nf3 d5 2. c4 d4
More Réti Opening lines (all)
- Réti Opening A09
- Réti Opening: Advance Variation, Michel Gambit A09
- Réti Opening: Advance Variation, Navara Gambit A09
- Réti Opening: Penguin Variation 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
- Réti Opening: Anglo-Slav Variation, Gurevich System (5. b3 e5) A11
- Réti Opening: Anglo-Slav Variation, Gurevich System (5. b3 Bd6) 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.