Zukertort Opening: Wade Defense, Chigorin Plan is a chess opening with the ECO code A41, part of the Zukertort Opening family. It goes 1. d4 d6 2. Nf3 Bg4 3. c4 Nd7 4. Qb3 Rb8. White opens with 1. d4 (the queen's pawn) and Black answers 1... d6. After 8 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... d6 – Black plays the pawn to d6
2. Nf3 – White plays the knight to f3
2... Bg4 – Black plays the bishop to g4
3. c4 – White plays the pawn to c4
3... Nd7 – Black plays the knight to d7
4. Qb3 – White plays the queen to b3
4... Rb8 – Black plays the rook to b8
About the Zukertort Opening
White starts with 1.Nf3, a flexible move that develops and controls e5 and d4. White can later go into many different openings.
It stops ...e5 for now and keeps d4 or c4 options open.
Common follow-ups are g3, Bg2, O-O (a King's Indian Attack style).
Black can take the centre with ...d5 and ...c5; react calmly.