Scandinavian Defense: Anderssen Counterattack, Orthodox Attack
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Nf3 Bb4 7. Bd2
The Scandinavian Defense: Anderssen Counterattack, Orthodox Attack is a chess opening classified as ECO B01, reached after 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Nf3 Bb4 7. Bd2. It is a line of the Scandinavian Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 35 times by this move order. White won 40%, 6% were drawn and Black won 54%. The most popular continuation is 7… Bg4 (100% of games).
Engine evaluation: +0.83 (Stockfish, depth 42; best line 7… Bg4 8. a3 Nd4 9. Bb5+ c6 10. O-O)
- ECO
- B01
- Moves
- 13 plies
- FEN
r1b1k1nr/ppp2ppp/2n5/q3P3/1b6/2N2N2/PPPB1PPP/R2QKB1R b KQkq - 4 7- PGN
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Nf3 Bb4 7. Bd2
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 2 | |
| 1500-1999 | 20 | |
| 2000+ | 13 | |
| All | 35 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 7… Bg4 | 35 (100%) |
Master games
17 over-the-board games are classified under this line (White 35%, draw 12%, Black 53%). The strongest:
- GM Christopher Woojin Yoo (2605) – IM Shamil Arslanov (2410) 1-0 · Titled Tue 18th Aug 2026 · 2026-08-18
- GM Vahap Sanal (2553) – IM Shamil Arslanov (2410) 1/2-1/2 · Titled Tue 31st Dec Early · 2024-12-31
- IM Eray Kilic (2477) – IM Shamil Arslanov (2410) 1-0 · Titled Tue 23rd Dec 2025 · 2025-12-23
- IM Erik R. Gasparyan (2447) – IM Shamil Arslanov (2410) 0-1 · Titled Tue 9th Jun 2026 · 2026-06-09
- FM Rustam Rustamov (2353) – IM Shamil Arslanov (2410) 1-0 · 1st 3-0 Thu 1st Jan 2026 · 2026-01-01
Highest-rated Lichess games
- Ishakmendil (2422) – cartonpate (2275) 1-0 · 2026-09-04 · 300 + 0s
- kahu1386 (2119) – cartonpate (2299) 0-1 · 2026-09-01 · 300 + 0s
- Adelarosa (2238) – ALF297 (2070) 0-1 · 2026-09-05 · 180 + 2s
Comes from
Scandinavian Defense: Anderssen Counterattack 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5
More Scandinavian Defense lines (all)
- Scandinavian Defense (1. e4 d5) B01
- Scandinavian Defense (1… d5 2. b3) B01
- Scandinavian Defense: Anderssen Counterattack, Collijn Variation B01
- Scandinavian Defense: Anderssen Counterattack, Goteborg System B01
- Scandinavian Defense: Blackburne Gambit B01
- Scandinavian Defense: Blackburne-Kloosterboer Gambit B01
- Scandinavian Defense: Boehnke Gambit B01
- Scandinavian Defense: Bronstein Variation B01
- Scandinavian Defense: Classical Variation B01
- Scandinavian Defense: Grünfeld Variation B01
- Scandinavian Defense: Gubinsky-Melts Defense B01
- Scandinavian Defense: Icelandic-Palme Gambit B01
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.