Learn the Budapest Gambit

A51-A52 · a repertoire for black · 4 chapters · 20 annotated lines

"Ambush 1.d4 with knights and a smothered mate"

The Budapest Gambit (1.d4 Nf6 2.c4 e5!?) drags queen's-pawn players out of their comfort zone on move two. Black offers a pawn, gets it back almost by force, and meanwhile sets the deadliest opening trap in club chess: the Kieninger smothered mate 8...Nd3#. This engine-checked course covers the trap, the sound main lines when White defends correctly, the aggressive 4.e4 Alekhine setup, and what to do when White declines the pawn.

What's inside

• Chapter 1: 4.Bf4 and the Kieninger Trap
  Lines: Study 1: The Kieninger Trap — Nd3 Mate!, Study 2: 6.Nbd2 — When White Doesn't Take the Bait, Study 3: The Correct Block 6.Nc3 — Pay a Pawn, Wreck the Queenside, Study 4: 7.e3 — The Careful Main Line, Study 5: 6.Nc3 with 8.e3 — Milk the Doubled Pawns
• Chapter 2: 4.Nf3, 4.e4 and the Declines
  Lines: Study 6: 4.Nf3 Bc5 — Pressure on f2, Study 7: 4.Nf3 with 6.Nc3 — Same Song, Same Equality, Study 8: The Alekhine Attack 4.e4 — Meet It with ...Nec6, Study 9: Declined with 3.e3 — Thanks for Equality, Study 10: The 5.e6 Spoiler — Refuted by 5...Bxf2+!
• Chapter 3: The Alekhine Attack — Going Deeper
  Lines: Study 11: 5.f4 Nec6 6.Nf3 — Occupy the d4 Hole, Study 12: 5.Nf3 — Trading Toward Comfort
• Chapter 4: Greedy Queens and Early Declines
  Lines: Study 13: 4.Qd4 — Punish the Greedy Queen, Study 14: 4.e3 — Take Back and Fianchetto, Study 15: 3.d5 — The Space-Grab Decline

Free sample: the main line, move by move

• 1. d4 — 1.d4 — the queen's pawn. Time to make it personal.
• 1... Nf6 — 1...Nf6 — flexible development first.
• 2. c4 — 2.c4 — White builds the standard big center...
• 2... e5 — 2...e5!? — the Budapest Gambit! Black strikes at d4 immediately and offers a pawn to derail every system White ever prepared.
• 3. dxe5 — 3.dxe5 — nearly universal: declining gives Black easy play.
• 3... Ng4 — 3...Ng4 — the point: the knight attacks e5 and will win the pawn back. Never fear — this pawn always comes home.
• 4. Bf4 — 4.Bf4 — the main line: White defends e5 with the bishop and hopes to keep the pawn.
• 4... Nc6 — 4...Nc6 — a second attacker on e5. The pressure mounts.
• 5. Nf3 — 5.Nf3 — a second defender.
• 5... Bb4+ — 5...Bb4+ — check! This forces White to commit a piece to blocking — and sets the stage for the trap.
• 6. Nbd2 — 6.Nbd2 — blocking with the knight looks natural... and steps onto the trapdoor. (6.Nc3 is the sounder block.)
• 6... Qe7 — 6...Qe7! — the quiet move that loads the gun: the queen adds a third hit on e5 and vacates d8. White sees the b4 bishop 'hanging' to a3...
• 7. a3 — 7.a3 — White attacks the bishop, expecting to win a piece or force the trade.
• 7... Ngxe5 — 7...Ngxe5!! — ignore the threat! Black recaptures the gambit pawn and offers the bishop with a smile. If White sees nothing and takes...
• 8. axb4 — 8.axb4?? — greed. The bishop falls... and so does the king.
• 8... Nd3# — 8...Nd3# — CHECKMATE! Look closely at why: exd3 is illegal because the e2 pawn is PINNED by the queen on e7 — that was the hidden point of 6...Qe7. And the king is smothered by its own army: d1 (queen), d2 (knight), e2/f2 (pawns) are all occupied. No captures, no blocks, no flight squares. Mate on move 8 with almost all of White's pieces still at home — the Kieninger Trap, and club players walk into it every single day.

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