Queen's Indian Defense, with e3, Bb4+ Line is a chess opening with the ECO code E14. It goes 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 10 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. Nf3 – White plays the knight to f3
3... Bb4+ – Black plays the bishop to b4, giving check
4. Nbd2 – White plays the knight to d2
4... b6 – Black plays the pawn to b6
5. e3 – White plays the pawn to e3
5... Bb7 – Black plays the bishop to b7
About the Queen's Indian Defense, with e3, Bb4+ Line
After 1.d4 Nf6 2.c4 e6 3.Nf3, Black plays 3...b6 and ...Bb7 to control e4 and the light squares. It is calm and solid.
The bishop on b7 fights for e4 along the long diagonal.
White often plays g3 and Bg2 to fight that diagonal.
Black frees the game with ...c5 or ...d5 at the right moment.
chessGM