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Ponderchess / Glossary

Gambit in chess

A gambit is an opening in which one side offers material, usually a pawn, to gain something else: faster development, control of the centre or attacking chances. If the opponent accepts, the gambiteer must use the time gained before the missing material starts to count.

White to move in the Italian Game after 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5. The Evans Gambit, b4, offers a pawn. After Bxb4 c3 the bishop is attacked again and has to retreat, and d4 follows, giving White a broad centre and quick development in return for the pawn.4.b4 Bxb4 5.c3 Ba5 6.d4

How a gambit works

A gambit trades material for time. The side that accepts the pawn usually has to spend moves taking it and holding on to it, while the gambiteer develops, opens lines and builds threats. If the attack or pressure fades, the extra pawn often decides the endgame.

Compensation does not have to mean an attack on the king. In the Benko Gambit, 1.d4 Nf6 2.c4 c5 3.d5 b5, Black gives a pawn for long-term pressure on the a- and b-files. Well-known attacking gambits include the King's Gambit, 1.e4 e5 2.f4, the Evans Gambit and the Smith-Morra Gambit against the Sicilian, 1.e4 c5 2.d4 cxd4 3.c3.

The Queen's Gambit, 1.d4 d5 2.c4, is a gambit in name, but Black cannot comfortably keep the c4-pawn, and White usually wins it back.

Accepting or declining

Accepting a gambit is often the critical test, but the defender must be ready to give the material back at the right moment to finish development or reach safety. Declining is fine too: a sound developing move can leave the gambiteer with a weakened position and nothing to show for it.

A counter-gambit answers a gambit with a gambit of one's own, as in the Falkbeer Counter-Gambit, 1.e4 e5 2.f4 d5.

Playing a gambit well

Develop quickly, castle and open lines. Do not rush to win the pawn back unless that also improves your position, because regaining material often costs the time you paid for. Know the typical plans of your gambit, since a slow or aimless move gives the opponent the moment they need to consolidate.

Common mistakes

  • Grabbing gambit pawns and then falling far behind in development.
  • Playing a gambit and then making slow moves, so the opponent consolidates and keeps the extra pawn.
  • Clinging to the extra material when returning it would bring safety or a lead in development.

Questions about gambit

Is the Queen's Gambit a real gambit?

Not really. After 1.d4 d5 2.c4 dxc4, Black cannot comfortably hold the extra pawn, and White normally regains it.

Are gambits good for beginners?

They teach development and the value of time, which is useful. Against careful defence many gambits are risky, so it pays to know the main ideas.

What is a counter-gambit?

A gambit played in reply to the opponent's gambit, offering material back to seize the initiative, as in the Falkbeer Counter-Gambit against the King's Gambit.

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