King's Indian: Four Pawns & Averbakh Stem (E70)

ECO E70 · Vol.17 · Ch.4 · 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6

EPD: rnbqk2r/ppp1ppbp/3p1np1/8/2PPP3/2N5/PP3PPP/R1BQKBNR w KQkq - · Eval +0.18

Move five after 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 (E70) marks where ambitious White players abandon quiet orthodox channels to challenge Black directly. Whether seizing maximal territory with the romantic 5. f4 Four Pawns Attack or clamping down on ...e5 via Yuri Averbakh's sophisticated 5. Be2 O-O 6. Bg5, White dares Black to undermine the center before getting crushed.

Before rolling 5. f4 to build a four-pawn phalanx, remember every extra pawn move delays castling—keep your center cohesive against Black's immediate ...c5 strike!

Historical Origins & Pawn-Structure DNA

19th-Century Indian Chaturanga Revival & 1950s Ukrainian School (Bronstein, Boleslavsky, Geller) · d4–e4–c4 vs d6–e5 Locked Center & Opposite-Flank Race · David Bronstein, Efim Geller, Bobby Fischer, Garry Kasparov, Teimour Radjabov

Transformed from a fringe hypermodern experiment into a world-beating powerhouse by Soviet innovators Bronstein, Boleslavsky, and Geller around 1950, the King's Indian became the signature weapon of both Bobby Fischer and Garry Kasparov.

In classical Mar del Plata lines where d5 locks the center, play splits cleanly along the diagonal pawn chain: White races on the queenside toward c5 and the c-file, while Black retreats ...Ne8/...Nd7 and hurls ...f5–f4–g5–g4 straight at White's castled king.

White's Strategic Blueprint

Four Pawns Attack: push 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5!, navigating Benoni-with-f4 tactics via O-O and e4–e5!
Austrian-style 7. dxc5: in 5. f4 O-O 6. Nf3 c5, play 7. dxc5 Qa5 8. Bd3 Qxc5 9. Qe2 followed by Be3 and O-O for open-board piece play.
Averbakh System: play 5. Be2 O-O 6. Bg5!, preventing 6...e5?? (7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5! wins material) and squeezing smoothly.

Black's Counterplay & Breaks

Against 5. f4, castle 5...O-O and strike IMMEDIATELY with 6...c5!, followed by 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 (or 9...Re8) hitting e4.
Against the Averbakh (5. Be2 O-O 6. Bg5), challenge the center with 6...c5! 7. d5 h6 8. Be3 e6 (or 6...Nbd7 + ...e5 after preparation).
Punish any careless e4–e5 lunge in the Four Pawns when White's king still sits on e1 via ...Ng4, ...Qh4+, or ...dxe5 clearances.

Common Club Traps & Mistakes

In the Averbakh (5. Be2 O-O 6. Bg5), playing 6...e5?? automatically loses the exchange or a pawn to 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5! hitting f6 and c7.
In the Four Pawns (5. f4 O-O 6. Nf3 c5 7. d5 e6 8. dxe6?!), opening the f- and d-files with 8. dxe6?! Bxe6 leaves White's uncastled king fatally exposed.

Canonical ECO Sub-Variations

E61 King's Indian Defense: 1. d4 Nf6 2. c4 g6 3. Nc3 (rnbqkb1r/pppppp1p/5np1/8/2PP4/2N5/PP2PPPP/R1BQKBNR b KQkq -)
E70 King's Indian Defense: Normal Variation: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 (rnbqk2r/ppppppbp/5np1/8/2PPP3/2N5/PP3PPP/R1BQKBNR b KQkq e3)
E70 King's Indian Defense: Normal Variation: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 (rnbqk2r/ppp1ppbp/3p1np1/8/2PPP3/2N5/PP3PPP/R1BQKBNR w KQkq -)
E73 King's Indian Defense: Normal Variation, Standard Development: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 (rnbqk2r/ppp1ppbp/3p1np1/8/2PPP3/2N5/PP2BPPP/R1BQK1NR b KQkq -)
E76 King's Indian Defense: Four Pawns Attack: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 (rnbqk2r/ppp1ppbp/3p1np1/8/2PPPP2/2N5/PP4PP/R1BQKBNR b KQkq f3)
E73 King's Indian Defense: Averbakh Variation: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 (rnbq1rk1/ppp1ppbp/3p1np1/6B1/2PPP3/2N5/PP2BPPP/R2QK1NR b KQ -)

FAQ

Is the Four Pawns Attack (5. f4) sound, or does White overextend?

It is completely playable but walking a tightrope: White owns a towering c4–d4–e4–f4 wall, yet four pawn moves in five turns leave zero margin for sloppy development once Black strikes with ...c5 and ...e6.

Why does Yuri Averbakh's 5. Be2 O-O 6. Bg5 stop Black's normal 6...e5?

Because f6 is pinned to the d8/f8 complex! After 6...e5?? 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5!, Black's f6-knight cannot move without hanging the rook, and ...Nbd7 fails to protect both f6 and c7.

How should Black respond to 5. f4 if they dislike wild Benoni sacrifices?

After 5. f4 O-O 6. Nf3, playing 6...Na6 7. Bd3 e5! (Modern Four Pawns counter) challenges the center cleanly without entering razor-sharp ...c5/...b5 gambits.

Grandmasters Who Weaponized This Technique

Garry Kasparov (RUS · 2851 FIDE) — 13th World Champion · Master of Dynamic Initiative & Deep Prep
Tigran Petrosian (ARM · Iron Tigran) — 9th World Champion · 'Iron Tigran' & Master of the Exchange Sacrifice
Hikaru Nakamura (USA · 2816 FIDE · #2) — 5× U.S. Champion · 2816 Peak & Modern Chaos / Defense Wizard

E92 · King's Indian Defense: Orthodox Mainline (E92) · E60 · King's Indian Defense: Fianchetto System (E60) · E81 · King's Indian Defense: Sämisch Variation (5. f3 · E81) · 7th-Rank Pigs: Doubled Rooks & Blind Swine Mate