Pirc Defense: Austrian Attack (5. Nf3 O-O)
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O
The Pirc Defense: Austrian Attack 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. It is a line of the Pirc Defense. White is to move. 3 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 1,536 times by this move order. White won 52%, 5% were drawn and Black won 43%. The most popular continuation is 6. Bd3 (39% of games).
Engine evaluation: +0.35 (Stockfish, depth 55; best line 6. Bd3 Nc6 7. O-O e5 8. d5 Nd4)
- ECO
- B09
- Moves
- 10 plies
- FEN
rnbq1rk1/ppp1ppbp/3p1np1/8/3PPP2/2N2N2/PPP3PP/R1BQKB1R w KQ - 3 6- PGN
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 172 | |
| 1500-1999 | 748 | |
| 2000+ | 616 | |
| All | 1,536 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. Bd3 Austrian Attack, Weiss Variation | 601 (39%) | |
| 6. e5 Austrian Attack, Unzicker Attack | 294 (19%) | |
| 6. Bc4 | 254 (17%) | |
| 6. Be3 Austrian Attack, Kurajica Variation | 141 (9%) | |
| 6. Be2 | 134 (9%) | |
| 6. h3 | 86 (6%) | |
| 6. h4 | 11 (1%) | |
| 6. Bd2 | 5 (0%) |
Master games
264 over-the-board games are classified under this line (White 39%, draw 18%, Black 43%). The strongest:
- Reckless 0.10.0-dev-b5462f11 (3763) – Stockfish dev-20260318-d173a06 (3807) 1-0 · TCEC 29 Superfinal 2026 · 2026-04-01
- Stockfish dev-20260318-d173a06 (3807) – Reckless 0.10.0-dev-b5462f11 (3763) 1-0 · TCEC 29 Superfinal 2026 · 2026-04-01
- LCZero 0.30-dag-a9b25c2b-BT2-3 (3598) – Stockfish dev-20230409-b36d39d (3639) 1/2-1/2 · TCEC 24 Superfinal 2023 · 2023-04-12
- Stockfish dev-20230409-b36d39d (3639) – LCZero 0.30-dag-a9b25c2b-BT2-3 (3598) 1-0 · TCEC 24 Superfinal 2023 · 2023-04-12
- LCZero 0.31-dag-4167c1e-BT4-6147500-it332 (3648) – KomodoDragon 3.3 (3583) 1-0 · TCEC 27 Premier 2024 · 2024-11-30
Search all games of the Pirc Defense: Austrian Attack and its sub-variations
Highest-rated Lichess games
- Sunrise34 (2839) – FM umagon20 (2754) 1-0 · 2026-09-06 · 180 + 0s
- sachkachmayni (2612) – FM umagon20 (2764) 1/2-1/2 · 2026-09-06 · 180 + 0s
- joobree (2554) – FM umagon20 (2725) 1/2-1/2 · 2026-09-05 · 180 + 0s
Comes from
Pirc Defense: Austrian Attack (3… g6 4. f4) 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4
Continuations
- Pirc Defense: Austrian Attack, Kurajica Variation B09 · 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3
- Pirc Defense: Austrian Attack, Unzicker Attack B09 · 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5
- Pirc Defense: Austrian Attack, Weiss Variation B09 · 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3
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.