Benoni Defense

ECO A43-A79intermediate

The Modern Benoni — 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 — manufactures the most clear-cut imbalance in opening theory: Black gets a 2-vs-1 queenside pawn majority and the half-open e-file; White gets a protected passed d-pawn and a central majority ready to roll with e4-e5. Every Benoni game is a race between Black's ...b5 expansion and dark-square play (the g7 bishop again) and White's central break. Tal's sacrificial masterpieces made it famous; it remains the imbalance-lover's defense.

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Main line

1. 2. 3. 4. 5. 6. 7.

Diagram shows the position after 6 half-moves of the main line. On SpeakChess you can drill this line move by move — the trainer plays the other side and corrects you instantly, then spaced repetition schedules each variation so you review it right before you would forget it.

Move by move

The first 12 moves of the main line, explained one at a time. Every move of every variation is annotated like this inside the trainer — this page shows the opening moves so you can judge the explanations before signing up.

White advances the pawn to d4, staking a claim in the center right from the start and giving the bishops and queen room to develop.
Black brings the knight out to f6, a great early developing move. From this dark square the knight eyes the middle of the board and gets ready to help defend and attack. Quick development like this is a smart way to start your game.
White pushes the pawn to c4, building a big pawn center with d4. Together these two pawns grip a lot of space and make it hard for Black to settle in.
Black strikes back with c5, challenging White's pawn center. This is the Benoni idea — Black fights for space on the queenside straight away.
White advances the pawn to d5, locking the pawn center and gaining more space. Now the d5 pawn is a strong wedge deep in Black's half of the board.
Black pushes the pawn to e6, immediately challenging the advanced d5 pawn. Black wants to open up the center and free the pieces.
White develops the knight to c3, a great central square where it supports the d5 pawn and controls important squares in the middle of the board.
Black captures the pawn on d5 with the e6 pawn. This takes back space in the center and opens lines for the black pieces to become more active.
White captures the pawn on d5 with the c4 pawn. Now White has a powerful passed pawn on d5 that will be hard for Black to deal with throughout the game.
Black develops the bishop to d6, a natural square where it eyes the center and prepares Black to castle kingside and connect the rooks.
White pushes the pawn to e4, grabbing even more central space. Along with the d5 pawn, White now controls a big chunk of the board's middle.
Black castles kingside with O-O, tucking the king safely behind the pawns and bringing the rook to f8 where it can support the king and become active.

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Win rates by rating

Results from real online games, measured after the line shown in each row. Most opening sites show one aggregate number — how an opening scores depends heavily on who is playing it.

Rating	Games	White wins	Draws	Black wins	Position after
400-600	69	47.8%	1.4%	50.7%	1.d4 Nf6 2.c4
600-800	73	50.7%	1.4%	47.9%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5
800-1000	53	56.6%	1.9%	41.5%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
1000-1200	25	68%	0%	32%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
1200-1400	838	58.1%	1%	40.9%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
1400-1600	1,704	59.2%	2%	38.8%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
1600-1800	235	58.7%	1.3%	40%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
1800-2000	272	55.9%	1.8%	42.3%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
2000-2200	254	50.4%	2.8%	46.8%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O
2200-2400	166	44%	8.4%	47.6%	1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O

Most played continuations (1400-1600 rating)

After 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 6.e4 O-O:

Nf3 — played 52.3% of the time (White wins 61.2%, draws 2.4%, Black wins 36.4%)
Bd3 — played 13.7% of the time (White wins 56.4%, draws 2.1%, Black wins 41.5%)
f4 — played 12.3% of the time (White wins 62.4%, draws 0.9%, Black wins 36.7%)

Frequently asked questions

Is the Modern Benoni sound?

It walks a finer line than the Nimzo or Grünfeld — White's sharpest tries (the Taimanov 8.Bb5+ and Four Pawns setups) demand precise knowledge, which is why many players enter the Benoni only via move orders that avoid them (waiting for Nf3 before ...c5). Within those move orders, it is fully respectable and ferociously double-edged.

What are the typical plans for both sides in the Benoni?

Black: ...Re8, ...g6/...Bg7, ...a6 and ...b5, queenside pawn storm, and the thematic ...Ne5 or exchange sacrifices on e4/f3 if White overextends. White: e4, Nd2-c4 or f4 with e5 breaks, kingside space, and using the d5 passer as an endgame trump. Both sides attack — nobody defends in a Benoni.