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Alekhine Defense - Modern Variation

Provoke White's pawns forward, then undermine the overextended center

体验互动课程

简介

The Alekhine Defense, named after World Champion Alexander Alekhine, is one of chess's most provocative openings. With 1. ..Nf6, Black immediately attacks the e4 pawn and dares White to advance it. This is a hypermodern strategy — rather than occupying the center with pawns, Black invites White to build a big pawn center, then systematically undermines it. The Modern Variation (4. Nf3 Bg4) is the main line, where Black pins White's knight and prepares to challenge the center with ..d6 and eventually ..dxe5 or ..d5. The resulting positions are strategically rich, with Black seeking to prove that White's center is a target rather than an asset.

课程内容

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1. e4

The King's Pawn opening — White claims the center and opens diagonals for the queen and kingside bishop. The most popular first move in chess. Black's main responses: - 1. ..e5 — Open Game, matching White's center - 1. ..c5 — Sicilian Defense, fighting for d4 asymmetrically - 1. ..e6 — French Defense, preparing ..d5 - 1. ..c6 — Caro-Kann, also preparing ..d5

中心控制出子
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1. ..Nf6

The Alekhine Defense! Instead of matching White in the center, Black immediately attacks the e4 pawn with the knight. This is a hypermodern provocation — Black wants White to push 2. e5, gaining space but creating a target. Alexander Alekhine introduced this idea in the 1920s, shocking the classical establishment that believed in occupying the center with pawns.

中心控制先手
替代走法
e5 — The classical reply, leading to Open Games. Nf6 is more provocative — it challenges White to overextend.
c5 — The Sicilian Defense — also excellent but a completely different character. Nf6 directly attacks e4.
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2. e5

White accepts the challenge, pushing the pawn forward to chase Black's knight. This gains space but commits the pawn to an advanced post where it may become a target. White's alternatives: - 2. Nc3 — Vienna-like, defending e4 calmly - 2. d3 — very passive, giving Black an easy game

空间中心控制
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2. ..Nd5

The knight retreats to d5 — a powerful central square. From d5 the knight eyes c3, b4, and f4. Black's strategy is clear: let White push pawns forward, then attack the overextended center later.

子力活跃度中心控制
替代走法
Ne4 — Looks aggressive but the knight is unstable on e4. After d3, it must retreat anyway. Nd5 is much more natural.
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3. d4

White builds the classical pawn center with e5 and d4. This is exactly what Black wanted to provoke — a big center that Black can later target with ..d6 and ..c5. White's alternatives: - 3. c4 — the Four Pawns Attack, even more aggressive - 3. Nc3 — Exchange Variation after 3. ..Nxc3 4. dxc3

中心控制空间
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3. ..d6

The key counter-attacking move! Black immediately challenges the e5 pawn, the head of White's pawn chain. By striking at e5, Black begins to undermine the center that White spent time building.

中心控制兵形
替代走法
g6 — Prepares a fianchetto but delays the central challenge. d6 directly attacks the pawn chain.
c6 — Solid but slow — prepares ...d5 later. d6 immediately pressures e5.
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4. Nf3

White develops the knight to its natural square, defending e5 and preparing to castle. This is the Modern Variation — White develops pieces before deciding on the pawn structure. The main alternative is 4. c4, chasing the knight and leading to the sharper Four Pawns Attack after 4. ..Nb6 5. f4.

出子预防性着法
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4. ..Bg4

The main line of the Modern Variation! Black pins the f3 knight against the queen, putting immediate pressure on White's position. The bishop also indirectly targets e5 — if the knight moves, e5 falls. This is Black's most active and popular continuation, more dynamic than 4. ..dxe5 or 4. ..g6.

子力活跃度威胁
替代走法
dxe5 — Releases the central tension too early. After Nxe5, White has a comfortable position. Bg4 maintains pressure.
g6 — The Alburt/Fianchetto Variation — solid but less dynamic. Bg4 creates immediate threats.
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5. Be2

White develops the bishop to e2, breaking the pin while preparing to castle. A solid, positional choice. Alternatives: - 5. h3 — immediately asking the bishop's intentions - 5. c4 — chasing the knight before developing

出子王的安全
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5. ..e6

Black supports the d5 knight and prepares to develop the dark-squared bishop to e7. The pawn on e6 also controls d5, reinforcing Black's central grip. This is a solid setup — Black will castle and then look for the right moment to break with ..dxe5 or ..c5.

出子兵形
替代走法
Nc6 — Also good, developing toward the center. But e6 solidifies the Nd5 first and prepares ...Be7.
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6. O-O

White castles to safety, connecting the rooks. The king is secure on g1 before the central tension resolves.

王的安全
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6. ..Be7

Black develops the bishop to a modest but functional square. On e7 it doesn't block any pawns and prepares kingside castling. The bishop also supports a future ..d5 push by covering the f6 square if the e5 pawn advances.

出子王的安全
替代走法
Nc6 — Develops but blocks the c-pawn. Be7 prepares castling first, keeping ...c5 options open.
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7. c4

White expands on the queenside, kicking the knight from d5. The pawn on c4 also supports d5 control and gives White a broad pawn center. Black must retreat the knight, typically to b6.

空间先手
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7. ..Nb6

The knight retreats to b6, maintaining influence on d5 and c4. From b6 the knight can reroute to c8-e7 or d7 later, or stay put to pressure c4. Black's position is compact and solid.

子力活跃度预防性着法
替代走法
Nf4 — Looks active but the knight is easily kicked with g3. Nb6 is stable and keeps options open.
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8. Nc3

White develops the last minor piece, controlling d5 and completing kingside development. The knight on c3 adds pressure to the center.

出子中心控制
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8. ..O-O

Black castles to safety. With both sides now castled, the middlegame battle will center around whether White's space advantage is an asset or a liability. Black's next plan is to challenge the center with ..dxe5 or ..d5.

王的安全
替代走法
d5 — Premature — after cxd5 exd5, Black's pawn structure is weakened. Castling first is safer.
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9. h3

White asks the bishop a question: stay, retreat, or trade? The h3 pawn prevents ..Bg4-h5-g6 ideas and prepares to gain the bishop pair after Bxf3.

预防性着法先手
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9. ..Bxf3

Black trades the bishop for the knight. This concedes the bishop pair but damages White's pawn structure after Bxf3 (doubled f-pawns if gxf3) and removes the key defender of e5. Black's position remains solid with a clear plan to attack the center.

兵形子力活跃度
替代走法
Bh5 — Retreats but the bishop has limited scope. After g4 Bg6, it gets pushed even further. Trading is cleaner.
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10. Bxf3

White recaptures with the bishop, maintaining the pawn structure. The bishop on f3 is well-placed, controlling the long diagonal and supporting e4/d5 ideas.

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10. ..Nc6

Black develops the last minor piece, pressuring d4 and e5. The knight on c6 completes development and prepares for the central battle. Black can now aim for ..dxe5 or ..f6 to challenge White's space advantage.

出子中心控制
替代走法
N8d7 — Also reasonable, rerouting toward e5 or f6. But Nc6 directly attacks d4 and is more natural.

要点总结

  • 1...Nf6 provokes White's pawn to e5 — a hypermodern strategy
  • Black lets White build a center, then attacks it with ...d6
  • 4...Bg4 pins the knight defending e5 — the most active plan
  • Trade the bishop for the knight when challenged by h3
  • Black's compact setup is solid — the central battle comes later

总结

You've learned the Alekhine Defense Modern Variation. Black provokes White's center with 1. ..Nf6, lets White build a big pawn center (e5+d4), then systematically undermines it with ..d6 and ..Bg4. After trading the pinning bishop, Black completes development with a solid, compact position ready to challenge White's overextended pawns.

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