Scandinavian Defense (B01)
Black immediately challenges the e4 pawn. Simple and direct.
Taught for Black · 3 study lines · main line: 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 c6…
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How do you reach the Scandinavian Defense?
1.e4 d5 — the most direct answer in chess. After 2.exd5 Qxd5 3.Nc3 Qa5 Black concedes a tempo for total structural clarity: one open line, an unbreakable pawn formation, and a setup you can play with your eyes closed.
What does the Scandinavian Defense give you — and cost you?
For
- The simplest serious defense to 1.e4 — one setup, minimal theory.
- Your structure has no weaknesses; endgames are comfortable.
- White’s extra tempo rarely converts into anything concrete.
Against
- The early queen trips must be handled precisely — she can become a target.
- Less dynamic counterplay than the Sicilian or French.
- Well-prepared opponents keep a small, annoying pull for a while.
Which Scandinavian Defense lines should you study?
Main Line (Qd5)also known as: Scandinavian Defense: Main Line, Mieses Variation
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 c6 6.Bc4 Bf5 7.Bd2 e6 8.Nd5 Qd8 9.Nxf6+ gxf6 10.Bb3 Nd7
Final book move played in 121 master games.
The classical treatment: ...Qxd5 and ...Qa5, then the reliable c6/Bf5/e6 wall. This line includes the critical Nd5 test — retreat the queen calmly and accept the doubled f-pawns; they are stronger than they look.
Nxf6+ gxf6 looks like damage but reads like a plan: the half-open g-file is yours, the f6/e6 pawns control every central square, and your light-squared bishop — the Scandinavian’s pride — sits outside the chain. Play ...Qc7 and castle long, swing the rook to g8, and use the very "weakness" White created as your attacking file. Structure is what you do with it.
Modern (Nf6)also known as: Scandinavian Defense: Richter Variation
1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 g6 5.c4 Nb6 6.Nc3 Bg7 7.c5 Nd5 8.Bc4 c6 9.O-O O-O 10.Re1
Final book move played in 68 master games.
The 2...Nf6 Scandinavian recaptures with the knight and fianchettos — a Grünfeld spirit without Grünfeld theory. White’s c4–c5 space grab is the main test; the knight simply resettles on d5.
White pushed c5 to chase your knight and gained space — and responsibilities. The d5-knight is a rock (c5 can no longer bite it), your g7-bishop leans on d4, and ...b6 breaks his queenside chain at the moment of your choosing. Play against the overextension: every pawn he advanced is a square he cannot defend twice.
Quiet 5.Be2also known as: Scandinavian Defense: Richter Variation
1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 g6 5.Be2 Bg7 6.O-O O-O 7.c4 Nb6 8.Nc3 Nc6 9.d5 Ne5 10.Nxe5 Bxe5
Final book move played in 38 master games.
When White develops modestly instead of grabbing space, you complete the fianchetto and strike in the center first. The ...Nc6 and ...Ne5 trade shows the point: your pieces reach good squares faster.
The trade on e5 handed your dark-squared bishop the best diagonal on the board — from e5 it eyes both wings, and even if f4 comes it drops back to d4 with check, staying on the long diagonal. White’s d5 advance gained space but froze his own pawn on a light square, matching your remaining play: ...c6 undermines, ...Qb6 hits b2 and d4’s ghost, and rooks come to the half-open files. Quiet lines reward the better-placed pieces; yours are.
What do opponents play against the Scandinavian Defense at your level?
Reply shares from Lichess blitz, rapid and classical games, split by the rating band of the players — because the sideline that dominates beginner games often disappears entirely from stronger ones. Book moves in the study line are marked.
From the starting positionstudy line continues e4
| Lichess band | Most played | 2nd | 3rd |
|---|---|---|---|
| <1200 | e4 66.5%book | d4 20.7% | e3 2.9% |
| 1200s | e4 66.3%book | d4 21.9% | Nf3 2.3% |
| 1400s | e4 64.8%book | d4 23.2% | c4 2.6% |
| 1600s | e4 62.6%book | d4 24.8% | c4 3.2% |
| 1800s | e4 59.6%book | d4 26.7% | c4 3.9% |
| 2000s | e4 55%book | d4 29.1% | c4 4.9% |
| 2200+ | e4 48.8%book | d4 32.4% | Nf3 7.7% |
After 1.e4study line continues exd5
| Lichess band | Most played | 2nd | 3rd |
|---|---|---|---|
| <1200 | exd5 43%book | e5 17.3% | Nc3 11.9% |
| 1200s | exd5 59%book | e5 18.5% | Nf3 6% |
| 1400s | exd5 68.1%book | e5 15.9% | Nf3 5.8% |
| 1600s | exd5 75%book | e5 12.3% | Nf3 5.6% |
| 1800s | exd5 78.5%book | e5 9% | Nf3 5.5% |
| 2000s | exd5 79.8%book | e5 6.7% | Nc3 4.9% |
| 2200+ | exd5 83.5%book | Nc3 6% | e5 4.2% |
Shares are of games in each band at that position, from the Lichess opening explorer data the trainer itself studies from.
How often do opponents go wrong against the Scandinavian Defense?
Of the players who reach the Scandinavian Defense (after 1.e4 d5), the share who make a mistake or blunder on the lines we teach, by rating band. Every reply is graded against Stockfish with the game review's own labels; each figure is a lower bound. How we measure.
| Lichess band | Make a mistake | Within | Games |
|---|---|---|---|
| <1200 | 42% | 10 moves | 50M |
| 1200s | 32% | 10 moves | 45M |
| 1400s | 27% | 10 moves | 56M |
| 1600s | 24% | 10 moves | 59M |
| 1800s | 23% | 10 moves | 47M |
| 2000s | 25% | 10 moves | 21M |
| 2200+ | 18% | 10 moves | 5.4M |
How should you learn the Scandinavian Defense?
Moves first, then the idea behind each move, then spaced review until recall is automatic — the method, the review schedule, and why cramming fails are covered in the opening-learning guide. The trainer here implements it directly: guided learning with the reason attached to each move, validation before practice, and a Leitner review ladder that keeps the lines you drill from evaporating.
Frequently asked questions
24% of Lichess players rated 1600–1799 who reach the Scandinavian Defense make a mistake or blunder on the lines we teach within the first 10 moves (59M games, a lower bound). Every reply is graded against Stockfish with the same Mistake and Blunder labels as the game review; the full method is on our how-we-measure page.
AxiomChess teaches 3 study lines for this opening, each roughly ten moves deep — sourced from master practice and checked move-by-move against Stockfish before being taught. Depth past the point where a plan takes over adds review cost without adding wins.
Every move in the study lines here is engine-checked before it is taught, so the lines themselves hold up. The honest trade-offs are listed above — the early queen trips must be handled precisely — she can become a target — and knowing when the plan does not apply matters as much as the moves.
Your games already show which openings you actually reach and where they go wrong — the trainer picks drills from your own measured slips.
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