Benko Gambit: Mutkin Countergambit is a chess opening with the ECO code A57, part of the Benko Gambit family. It goes 1. d4 Nf6 2. c4 c5 3. d5 b5 4. g4. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 7 moves it is Black 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... c5 – Black plays the pawn to c5
3. d5 – White plays the pawn to d5
3... b5 – Black plays the pawn to b5
4. g4 – White plays the pawn to g4
About the Benko Gambit
After 1.d4 Nf6 2.c4 c5 3.d5, Black offers a pawn with 3...b5. Black gets open queenside files and long-term pressure.
After cxb5 a6, Black opens the a- and b-files for the rooks.
Black fianchettoes with ...g6 and ...Bg7 to hit the queenside.
Black's queen often goes to a5 or b6, and the knights to b6 or a4.
chessGM