Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. h4
The Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation is a chess opening classified as ECO B09, reached after 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. h4. It is a line of the Pirc Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 15 times by this move order. White won 87%, 0% were drawn and Black won 13%. The most popular continuation is 7… c5 (73% of games).
Engine evaluation: +0.26 (Stockfish, depth 34; best line 7… c5 8. e6 fxe6 9. h5 gxh5 10. Ne4)
- ECO
- B09
- Moves
- 13 plies
- FEN
rnbq1rk1/pppnppbp/3p2p1/4P3/3P1P1P/2N2N2/PPP3P1/R1BQKB1R b KQ - 0 7- PGN
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5 Nfd7 7. h4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 2 | |
| 2000+ | 13 | |
| All | 15 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 7… c5 | 11 (73%) | |
| 7… h5 | 4 (27%) |
Master games
67 over-the-board games are classified under this line (White 51%, draw 18%, Black 31%). The strongest:
- GM Onischuk, V. (2633) – GM Aleksandar Indjic (2618) 1-0 · Titled Tuesday 3rd Nov · 2020-11-03
- GM Sundar M. Shyam (2519) – GM Artyom Timofeev (2593) 1/2-1/2 · Budapest Spring Open 2019 · 2019-04-14
- GM Francisco Vallejo Pons (2698) – FM Carlos 1996 Suarez Garcia (2400) 1-0 · 79th ch-ESP 2014 · 2014-08-27
- GM Hikaru Nakamura (2792) – FM Christian Amilca Santiago Vilca (2274) 1-0 · 1st 3-0 Thu 16th Jul 2026 · 2026-07-16
- IM Lukas Cernousek (2494) – GM Jan Bernasek (2507) 0-1 · TCh-CZE 1 Liga Zapad · 2016-11-06
Highest-rated Lichess games
- FM Spartan_Lion (2552) – Kamrad_67 (2262) 1-0 · 2026-09-04 · 180 + 2s
- ShelbyGT500 (2251) – negropalma10 (2321) 1-0 · 2026-09-02 · 180 + 0s
- dr-tom (2306) – sem_schweiz (2197) 0-1 · 2026-09-06 · 300 + 0s
Comes from
Pirc Defense: Austrian Attack, Unzicker Attack 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5
More Pirc Defense lines (all)
- Pirc Defense (1. e4 d6) B00
- Pirc Defense (1… d6 2. d4) B00
- Pirc Defense (2. d4 Nf6) B00
- Pirc Defense: Roscher Gambit B00
- Pirc Defense (3. Nc3 g6) B07
- Pirc Defense: 150 Attack B07
- Pirc Defense: 150 Attack, Inner Doll Defense B07
- Pirc Defense: 150 Attack, Sveshnikov-Jansa Attack B07
- Pirc Defense: Bayonet Attack B07
- Pirc Defense: Byrne Variation B07
- Pirc Defense: Chinese Variation B07
- Pirc Defense: Kholmov System B07
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.