Grünfeld Defense: Three Knights Variation, Hungarian Attack
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4
The Grünfeld Defense: Three Knights Variation, Hungarian Attack is a chess opening classified as ECO D92, reached after 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4. It is a line of the Grünfeld Defense. Black is to move. 1 named line continues from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 435 times by this move order. White won 43%, 6% were drawn and Black won 51%. The most popular continuation is 5… O-O (74% of games).
Engine evaluation: 0.00 (Stockfish, depth 42; best line 5… O-O 6. Rc1 dxc4 7. e3 Be6 8. Ng5)
- ECO
- D92
- Moves
- 9 plies
- FEN
rnbqk2r/ppp1ppbp/5np1/3p4/2PP1B2/2N2N2/PP2PPPP/R2QKB1R b KQkq - 3 5- PGN
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 16 | |
| 1500-1999 | 236 | |
| 2000+ | 183 | |
| All | 435 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… O-O | 322 (74%) | |
| 5… c6 | 46 (11%) | |
| 5… c5 | 32 (7%) | |
| 5… a6 | 15 (3%) | |
| 5… dxc4 | 5 (1%) | |
| 5… Bg4 | 4 (1%) | |
| 5… Ne4 | 3 (1%) | |
| 5… e6 | 3 (1%) |
Master games
537 over-the-board games are classified under this line (White 41%, draw 30%, Black 29%). The strongest:
- GM Shakhriyar Mamedyarov (2756) – GM Fabiano Caruana (2802) 1/2-1/2 · Vugar Gashimov Mem 2015 · 2015-04-17
- GM Pavel Eljanov (2760) – GM So, W. (2773) 1/2-1/2 · 78th Tata Steel GpA · 2016-01-29
- GM Nikita Vitiugov (2709) – GM Maxime Vachier-Lagrave (2778) 1/2-1/2 · 2nd Du Te Cup 2018 · 2018-11-04
- GM Jeffery Xiong (2709) – GM Levon Aronian (2773) 1/2-1/2 · Saint Louis Rapid 2020 · 2020-09-16
- GM Jeffery Xiong (2709) – GM Jan-Krzysztof Duda (2757) 0-1 · Speed Chess Invitational · 2020-10-25
Highest-rated Lichess games
- Kesha05 (2585) – GM ILikeBlitz (2825) 0-1 · 2026-09-03 · 180 + 0s
- askarshahmaty2004 (2526) – Viva_La_Gloria (2476) 1-0 · 2026-09-02 · 180 + 2s
- Warhawk95 (2440) – NM dschwarz (2521) 0-1 · 2026-09-03 · 180 + 0s
Comes from
Grünfeld Defense: Three Knights Variation (4. Nf3 Bg7) 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7
Continuations
- Grünfeld Defense: Three Knights Variation, Hungarian Variation D93 · 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3
More Grünfeld Defense lines (all)
- Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch A56
- Grünfeld Defense D80
- Grünfeld Defense: Gibbon Gambit D80
- Grünfeld Defense: Lundin Variation D80
- Grünfeld Defense: Lutikov Variation D80
- Grünfeld Defense: Lutikov Variation, Murrey Attack D80
- Grünfeld Defense: Stockholm Variation D80
- Grünfeld Defense: Zaitsev Gambit D80
- Grünfeld Defense: Russian Variation, Accelerated Variation D81
- Grünfeld Defense: Brinckmann Attack D82
- Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit D83
- Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation D83
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.