Nimzo-Indian Defense: Classical Variation, Belyavsky Gambit is a chess opening with the ECO code E34, part of the Nimzo-Indian Defense family. It goes 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qd1 e5. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 14 moves it is White to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... Nf6 – Black plays the knight to f6
2. c4 – White plays the pawn to c4
2... e6 – Black plays the pawn to e6
3. Nc3 – White plays the knight to c3
3... Bb4 – Black plays the bishop to b4
4. Qc2 – White plays the queen to c2
4... d5 – Black plays the pawn to d5
5. cxd5 – White captures on d5 with the c-pawn
5... Qxd5 – Black takes on d5 with the queen
6. Nf3 – White plays the knight to f3
6... Qf5 – Black plays the queen to f5
The line goes on for 2 more moves; the lesson shows them all.
About the Nimzo-Indian Defense
After 1.d4 Nf6 2.c4 e6 3.Nc3, Black pins the knight with 3...Bb4. Black fights for e4 with pieces instead of pawns.
Black is often happy to play ...Bxc3 and give White doubled c-pawns.
In return White gets the two bishops and should open the position for them.
Black uses ...c5, ...d5 or ...b6 with ...Bb7 to control the light squares.
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