Nimzo-Indian Defense: Romanishin Variation, English Hybrid
Nimzo-Indian Defense: Romanishin Variation, English Hybrid is a chess opening with the ECO code E20, part of the Nimzo-Indian Defense family. It goes 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5. White opens with 1. d4 (the queen's pawn) and Black answers 1... Nf6. After 16 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. Nf3 – White plays the knight to f3
4... c5 – Black plays the pawn to c5
5. g3 – White plays the pawn to g3
5... cxd4 – Black captures on d4 with the c-pawn
6. Nxd4 – White takes on d4 with the knight
6... O-O – Black castles kingside
The line goes on for 4 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.