Alekhine Defense (1...Nf6) (B03)

ECO B03 · Vol.11 · Ch.2 · 1. e4 Nf6 2. e5 Nd5 3. d4 d6

EPD: rnbqkb1r/ppp1pppp/3p4/3nP3/3P4/8/PPP2PPP/RNBQKBNR w KQkq - · Eval +0.18

Unveiled by future World Champion Alexander Alekhine at Budapest 1921 and deployed by Bobby Fischer in his legendary 1972 World Championship Game 13 victory over Boris Spassky, the Alekhine Defense (B03: 1. e4 Nf6 2. e5 Nd5 3. d4 d6) turns classical dogma upside down. Black intentionally entices White's pawns forward with tempo against the wandering knight, betting that White's imposing center will become a brittle target for ...d6, ...Bg4, ...g6, and ...Nc6.

Alekhine's secret is provocation—lure White's pawns forward to e5, d4, and c4, then chip away at the overextended phalanx with ...d6, ...Bg4, and ...Nc6!

Historical Origins & Pawn-Structure DNA

1475 Valencia Poem ('Scachs d'amor') & 1920s Hypermodern Revolution · Early d-File Liquidation (1...d5) & Hypermodern Center Provocation · Alexander Alekhine, Bent Larsen, Vasily Ivanchuk, Magnus Carlsen

The Scandinavian appeared in the 1475 Catalan poem 'Scachs d'amor', the oldest known game of modern-rules chess; centuries later, Alexander Alekhine shocked the 1921 Budapest tournament with 1...Nf6, luring White's pawns forward to become overextended targets.

In the Scandinavian, Black creates a rock-solid c6–e6 Caro-Slav shell with open diagonals; in Alekhine and Pirc/Modern structures, Black deliberately invites White to build a broad e4–d4–c4/f4 center only to chip it apart from the flanks with ...d6, ...c5, or ...e5.

White's Strategic Blueprint

Play the poised Modern Variation 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. Nc3, maintaining a rock-solid spatial clamp without overextending.
Clarify tension via the Exchange Variation 4. c4 Nb6 5. exd6 cxd6 (or 5...exd6), followed by Nc3, Be3, Rc1, and b3 to outplay Black positionally.
Unleash the romantic Four Pawns Attack 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3! Bf5 8. Nc3 e6 9. Nf3 to crush Black under a central steamroller.

Black's Counterplay & Breaks

Against 4. Nf3, pin with 4...Bg4 5. Be2 e6 (Classical) or fianchetto via Lev Alburt's 4...g6! 5. Bc4 Nb6 6. Bb3 Bg7 to laser-target e5 along h8–a1.
Against the Four Pawns Attack 4. c4 Nb6 5. f4, exchange 5...dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 and strike with ...Qd7, ...O-O-O, and ...f6!
Against 4. c4 Nb6 5. exd6, recapture asymmetrically with 5...cxd6! (Larsen style) to fight on the half-open c-file paired with ...g6 and ...Bg7.

Common Club Traps & Mistakes

Playing 3...Nc6?! before 3...d6 blocks the c-pawn and walks into 4. c4 Nb6 5. d5! Nxe5 6. c5!, where Black's b6-knight gets trapped (6...Nbc4 7. Bxc4 Nxc4 8. Qa4+!).
In the Four Pawns Attack 5. f4 dxe5 6. fxe5 Nc6, playing careless 7. Nf3?! instead of 7. Be3! lets 7...Bg4! shatter White's d4-anchor immediately.

Canonical ECO Sub-Variations

B02 Alekhine Defense: Normal Variation: 1. e4 Nf6 2. e5 Nd5 (rnbqkb1r/pppppppp/8/3nP3/8/8/PPPP1PPP/RNBQKBNR w KQkq -)
B03 Alekhine Defense: 1. e4 Nf6 2. e5 Nd5 3. d4 (rnbqkb1r/pppppppp/8/3nP3/3P4/8/PPP2PPP/RNBQKBNR b KQkq d3)
B03 Alekhine Defense: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 (rnbqkb1r/ppp1pppp/3p4/3nP3/3P4/8/PPP2PPP/RNBQKBNR w KQkq -)
B03 Alekhine Defense: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 (rnbqkb1r/ppp1pppp/3p4/3nP3/2PP4/8/PP3PPP/RNBQKBNR b KQkq c3)
B04 Alekhine Defense: Modern Variation: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 (rnbqkb1r/ppp1pppp/3p4/3nP3/3P4/5N2/PPP2PPP/RNBQKB1R b KQkq -)
B03 Alekhine Defense: Four Pawns Attack: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 (rnbqkb1r/ppp1pppp/1n1p4/4P3/2PP1P2/8/PP4PP/RNBQKBNR b KQkq f3)

FAQ

Isn't moving the same knight three or four times in the opening fatal for Black?

Not when every White tempo is spent pushing pawns (e5, d4, c4, f4) rather than developing pieces! Once Black stabilizes with ...dxe5 and ...Nc6/...Bf5, both sides have similar piece development while White's pawns need constant defense.

Which White system is hardest for Alekhine specialists to crack in tournament play?

The 4. Nf3 Modern Variation (and Voronezh 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1) frustrates counterattackers most because White keeps the center compact and denies Black tactical targets.

Why did Fischer choose the Alekhine Defense in a World Championship match?

Because 1...Nf6 avoids forcing draws in symmetrical king's-pawn openings, guaranteeing an asymmetrical, fighting struggle where superior structural understanding decides the full point.

Grandmasters Who Weaponized This Technique

Alexander Alekhine (FRA · 17 yrs Champ) — 4th World Champion · Grand Architect of Deep Combinations
Magnus Carlsen (NOR · 2882 FIDE) — 16th World Champion · The Endgame Grinding Machine
Bobby Fischer (USA · 2785 FIDE) — 11th World Champion · Crystal-Clear Classical Precision

B01 · Scandinavian Defense (1...d5) (B01) · B07 · Pirc & Modern Defense (1...d6/g6) (B07) · B00 · Scandinavian, Alekhine & Pirc: Nimzowitsch (1...Nc6) & Owen (1...b6) (B00) · Triangulation, Spare Tempos & Zugzwang