Why is the Queen's Gambit not a real gambit?

Because White gets the pawn back whenever it likes. A true gambit pays material for time or an attack and accepts that the material may be gone for good. Here the c4 pawn is offered knowing that e3 and Bxc4 recover it in two moves, and that Black cannot defend it with ...b5 without losing more than the pawn was worth.

Should Black accept the Queen's Gambit?

You can. The Queen's Gambit Accepted, 2...dxc4 3.e3 Nf6 4.Bxc4 e6 5.Nf3 c5, is a respectable opening played at every level. What Black is doing is not stealing a pawn, it is trading the centre pawn on d5 for time and a quick ...c5 break. Trying to keep the extra pawn instead is where people lose games.

What is the Queen's Gambit Declined?

1.d4 d5 2.c4 e6, holding d5 with a second pawn instead of taking on c4. It has been one of Black's most reliable defences for over a century. The cost is that the bishop on c8 is shut in behind the e6 pawn, and most of Black's opening plans, ...b6 and ...Bb7, or ...dxc4 and ...c5, exist to solve that one problem.

What is the Queen's Gambit?

1.d4 d5 2.c4, and White offers a pawn that Black is not able to keep. The point is not the pawn. The point is that if Black takes on c4, the pawn that was sitting proudly on d5 has left the centre, and White plays e4 next with two pawns abreast and a free game.

What happens if Black tries to hang on

Beginners look at 2…dxc4 and think they are a pawn up. Then they try to defend it with …b5, and this is what they get.

1.d4 d5 2.c4 dxc4 3.e3 b5 4.a4 c6 5.axb5 cxb5 6.Qf3. White has not developed a single piece and is already winning material; the board below shows why.

After 6.Qf3. The whole diagonal from f3 to a8 is empty and the rook has no defender: 6...Nc6 loses to 7.Qxc6+, and 6...Bb7 simply drops the bishop to 7.Qxb7.

Black cannot block on b7 or c6 and cannot save the rook, so the extra pawns go back with the b5 pawn as interest. Every move Black played in that sequence was a pawn move, which is the other half of the lesson.

Declining is the normal answer

2…e6 is the Queen’s Gambit Declined, and it has been Black’s most respectable answer for well over a century. The pawn on e6 holds d5, the pieces come out behind it, and the only long-term nuisance is the bishop on c8 with nowhere to go.

2…c6, the Slav, does the same job while leaving that bishop’s diagonal open, which is why plenty of strong players prefer it. Both are covered from Black’s side on the best openings for Black page.

Taking the pawn properly

2…dxc4 is a real opening when Black plays it for the right reason. After 3.e3 Nf6 4.Bxc4 e6 5.Nf3 c5 White has recovered the pawn and Black has a fast …c5 break, easy development and a healthy game. Black gave up the centre and got time for it, which is a trade, not a theft.

That is the difference between this and something like the King’s Gambit, where White really does hand over a pawn and hope. If you want the distinction properly, there is a page on what a gambit is.

Playing it as White

Nothing to memorise. Play 1.d4 and 2.c4, then Nc3, Nf3 and e3, develop the dark-squared bishop to g5 or f4 before the pawn goes to e3 if you can, and castle. That is the same discipline the opening principles page describes, applied to a queenside pawn structure. And unlike the London, you have to look at what Black has done before choosing move four, which is the whole reason to play it.